DELETED AUTHORS Index: AUTHORS ================================================================== --- AUTHORS +++ AUTHORS @@ -1,2 +0,0 @@ -Original Author: -Alessandro Furieri DELETED COPYING Index: COPYING ================================================================== --- COPYING +++ COPYING @@ -1,166 +0,0 @@ - GNU LESSER GENERAL PUBLIC LICENSE - Version 3, 29 June 2007 - - Copyright (C) 2007 Free Software Foundation, Inc. - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - - This version of the GNU Lesser General Public License incorporates -the terms and conditions of version 3 of the GNU General Public -License, supplemented by the additional permissions listed below. - - 0. 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But MiNT is downward compatible to TOS, so this should - # be no problem. - atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) - echo m68k-milan-mint${UNAME_RELEASE} - exit ;; - hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) - echo m68k-hades-mint${UNAME_RELEASE} - exit ;; - *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) - echo m68k-unknown-mint${UNAME_RELEASE} - exit ;; - m68k:machten:*:*) - echo m68k-apple-machten${UNAME_RELEASE} - exit ;; - powerpc:machten:*:*) - echo powerpc-apple-machten${UNAME_RELEASE} - exit ;; - RISC*:Mach:*:*) - echo mips-dec-mach_bsd4.3 - exit ;; - RISC*:ULTRIX:*:*) - echo mips-dec-ultrix${UNAME_RELEASE} - exit ;; - VAX*:ULTRIX*:*:*) - echo vax-dec-ultrix${UNAME_RELEASE} - exit ;; - 2020:CLIX:*:* | 2430:CLIX:*:*) - echo clipper-intergraph-clix${UNAME_RELEASE} - exit ;; - mips:*:*:UMIPS | mips:*:*:RISCos) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c -#ifdef __cplusplus -#include /* for printf() prototype */ - int main (int argc, char *argv[]) { -#else - int main (argc, argv) int argc; char *argv[]; { -#endif - #if defined (host_mips) && defined (MIPSEB) - #if defined (SYSTYPE_SYSV) - printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_SVR4) - printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) - printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); - #endif - #endif - exit (-1); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && - dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && - SYSTEM_NAME=`$dummy $dummyarg` && - { echo "$SYSTEM_NAME"; exit; } - echo mips-mips-riscos${UNAME_RELEASE} - exit ;; - Motorola:PowerMAX_OS:*:*) - echo powerpc-motorola-powermax - exit ;; - Motorola:*:4.3:PL8-*) - echo powerpc-harris-powermax - exit ;; - Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) - echo powerpc-harris-powermax - exit ;; - Night_Hawk:Power_UNIX:*:*) - echo powerpc-harris-powerunix - exit ;; - m88k:CX/UX:7*:*) - echo m88k-harris-cxux7 - exit ;; - m88k:*:4*:R4*) - echo m88k-motorola-sysv4 - exit ;; - m88k:*:3*:R3*) - echo m88k-motorola-sysv3 - exit ;; - AViiON:dgux:*:*) - # DG/UX returns AViiON for all architectures - UNAME_PROCESSOR=`/usr/bin/uname -p` - if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] - then - if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ - [ ${TARGET_BINARY_INTERFACE}x = x ] - then - echo m88k-dg-dgux${UNAME_RELEASE} - else - echo m88k-dg-dguxbcs${UNAME_RELEASE} - fi - else - echo i586-dg-dgux${UNAME_RELEASE} - fi - exit ;; - M88*:DolphinOS:*:*) # DolphinOS (SVR3) - echo m88k-dolphin-sysv3 - exit ;; - M88*:*:R3*:*) - # Delta 88k system running SVR3 - echo m88k-motorola-sysv3 - exit ;; - XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) - echo m88k-tektronix-sysv3 - exit ;; - Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) - echo m68k-tektronix-bsd - exit ;; - *:IRIX*:*:*) - echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` - exit ;; - ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. - echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id - exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' - i*86:AIX:*:*) - echo i386-ibm-aix - exit ;; - ia64:AIX:*:*) - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} - exit ;; - *:AIX:2:3) - if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - - main() - { - if (!__power_pc()) - exit(1); - puts("powerpc-ibm-aix3.2.5"); - exit(0); - } -EOF - if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` - then - echo "$SYSTEM_NAME" - else - echo rs6000-ibm-aix3.2.5 - fi - elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then - echo rs6000-ibm-aix3.2.4 - else - echo rs6000-ibm-aix3.2 - fi - exit ;; - *:AIX:*:[4567]) - IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` - if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then - IBM_ARCH=rs6000 - else - IBM_ARCH=powerpc - fi - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${IBM_ARCH}-ibm-aix${IBM_REV} - exit ;; - *:AIX:*:*) - echo rs6000-ibm-aix - exit ;; - ibmrt:4.4BSD:*|romp-ibm:BSD:*) - echo romp-ibm-bsd4.4 - exit ;; - ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and - echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to - exit ;; # report: romp-ibm BSD 4.3 - *:BOSX:*:*) - echo rs6000-bull-bosx - exit ;; - DPX/2?00:B.O.S.:*:*) - echo m68k-bull-sysv3 - exit ;; - 9000/[34]??:4.3bsd:1.*:*) - echo m68k-hp-bsd - exit ;; - hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) - echo m68k-hp-bsd4.4 - exit ;; - 9000/[34678]??:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - case "${UNAME_MACHINE}" in - 9000/31? ) HP_ARCH=m68000 ;; - 9000/[34]?? ) HP_ARCH=m68k ;; - 9000/[678][0-9][0-9]) - if [ -x /usr/bin/getconf ]; then - sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` - sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` - case "${sc_cpu_version}" in - 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 - 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 - 532) # CPU_PA_RISC2_0 - case "${sc_kernel_bits}" in - 32) HP_ARCH="hppa2.0n" ;; - 64) HP_ARCH="hppa2.0w" ;; - '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 - esac ;; - esac - fi - if [ "${HP_ARCH}" = "" ]; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - - #define _HPUX_SOURCE - #include - #include - - int main () - { - #if defined(_SC_KERNEL_BITS) - long bits = sysconf(_SC_KERNEL_BITS); - #endif - long cpu = sysconf (_SC_CPU_VERSION); - - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1"); break; - case CPU_PA_RISC2_0: - #if defined(_SC_KERNEL_BITS) - switch (bits) - { - case 64: puts ("hppa2.0w"); break; - case 32: puts ("hppa2.0n"); break; - default: puts ("hppa2.0"); break; - } break; - #else /* !defined(_SC_KERNEL_BITS) */ - puts ("hppa2.0"); break; - #endif - default: puts ("hppa1.0"); break; - } - exit (0); - } -EOF - (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` - test -z "$HP_ARCH" && HP_ARCH=hppa - fi ;; - esac - if [ ${HP_ARCH} = "hppa2.0w" ] - then - eval $set_cc_for_build - - # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating - # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler - # generating 64-bit code. GNU and HP use different nomenclature: - # - # $ CC_FOR_BUILD=cc ./config.guess - # => hppa2.0w-hp-hpux11.23 - # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess - # => hppa64-hp-hpux11.23 - - if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | - grep -q __LP64__ - then - HP_ARCH="hppa2.0w" - else - HP_ARCH="hppa64" - fi - fi - echo ${HP_ARCH}-hp-hpux${HPUX_REV} - exit ;; - ia64:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - echo ia64-hp-hpux${HPUX_REV} - exit ;; - 3050*:HI-UX:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include - int - main () - { - long cpu = sysconf (_SC_CPU_VERSION); - /* The order matters, because CPU_IS_HP_MC68K erroneously returns - true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct - results, however. */ - if (CPU_IS_PA_RISC (cpu)) - { - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; - case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; - default: puts ("hppa-hitachi-hiuxwe2"); break; - } - } - else if (CPU_IS_HP_MC68K (cpu)) - puts ("m68k-hitachi-hiuxwe2"); - else puts ("unknown-hitachi-hiuxwe2"); - exit (0); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && - { echo "$SYSTEM_NAME"; exit; } - echo unknown-hitachi-hiuxwe2 - exit ;; - 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) - echo hppa1.1-hp-bsd - exit ;; - 9000/8??:4.3bsd:*:*) - echo hppa1.0-hp-bsd - exit ;; - *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) - echo hppa1.0-hp-mpeix - exit ;; - hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) - echo hppa1.1-hp-osf - exit ;; - hp8??:OSF1:*:*) - echo hppa1.0-hp-osf - exit ;; - i*86:OSF1:*:*) - if [ -x /usr/sbin/sysversion ] ; then - echo ${UNAME_MACHINE}-unknown-osf1mk - else - echo ${UNAME_MACHINE}-unknown-osf1 - fi - exit ;; - parisc*:Lites*:*:*) - echo hppa1.1-hp-lites - exit ;; - C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) - echo c1-convex-bsd - exit ;; - C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit ;; - C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) - echo c34-convex-bsd - exit ;; - C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) - echo c38-convex-bsd - exit ;; - C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) - echo c4-convex-bsd - exit ;; - CRAY*Y-MP:*:*:*) - echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*[A-Z]90:*:*:*) - echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ - | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ - -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ - -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*TS:*:*:*) - echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*T3E:*:*:*) - echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*SV1:*:*:*) - echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - *:UNICOS/mp:*:*) - echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) - FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` - echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - 5000:UNIX_System_V:4.*:*) - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` - echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) - echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} - exit ;; - sparc*:BSD/OS:*:*) - echo sparc-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:BSD/OS:*:*) - echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:FreeBSD:*:*) - UNAME_PROCESSOR=`/usr/bin/uname -p` - case ${UNAME_PROCESSOR} in - amd64) - echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - *) - echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - esac - exit ;; - i*:CYGWIN*:*) - echo ${UNAME_MACHINE}-pc-cygwin - exit ;; - *:MINGW*:*) - echo ${UNAME_MACHINE}-pc-mingw32 - exit ;; - i*:MSYS*:*) - echo ${UNAME_MACHINE}-pc-msys - exit ;; - i*:windows32*:*) - # uname -m includes "-pc" on this system. - echo ${UNAME_MACHINE}-mingw32 - exit ;; - i*:PW*:*) - echo ${UNAME_MACHINE}-pc-pw32 - exit ;; - *:Interix*:*) - case ${UNAME_MACHINE} in - x86) - echo i586-pc-interix${UNAME_RELEASE} - exit ;; - authenticamd | genuineintel | EM64T) - echo x86_64-unknown-interix${UNAME_RELEASE} - exit ;; - IA64) - echo ia64-unknown-interix${UNAME_RELEASE} - exit ;; - esac ;; - [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) - echo i${UNAME_MACHINE}-pc-mks - exit ;; - 8664:Windows_NT:*) - echo x86_64-pc-mks - exit ;; - i*:Windows_NT*:* | Pentium*:Windows_NT*:*) - # How do we know it's Interix rather than the generic POSIX subsystem? - # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we - # UNAME_MACHINE based on the output of uname instead of i386? - echo i586-pc-interix - exit ;; - i*:UWIN*:*) - echo ${UNAME_MACHINE}-pc-uwin - exit ;; - amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) - echo x86_64-unknown-cygwin - exit ;; - p*:CYGWIN*:*) - echo powerpcle-unknown-cygwin - exit ;; - prep*:SunOS:5.*:*) - echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - *:GNU:*:*) - # the GNU system - echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` - exit ;; - *:GNU/*:*:*) - # other systems with GNU libc and userland - echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu - exit ;; - i*86:Minix:*:*) - echo ${UNAME_MACHINE}-pc-minix - exit ;; - aarch64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - aarch64_be:Linux:*:*) - UNAME_MACHINE=aarch64_be - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - alpha:Linux:*:*) - case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in - EV5) UNAME_MACHINE=alphaev5 ;; - EV56) UNAME_MACHINE=alphaev56 ;; - PCA56) UNAME_MACHINE=alphapca56 ;; - PCA57) UNAME_MACHINE=alphapca56 ;; - EV6) UNAME_MACHINE=alphaev6 ;; - EV67) UNAME_MACHINE=alphaev67 ;; - EV68*) UNAME_MACHINE=alphaev68 ;; - esac - objdump --private-headers /bin/sh | grep -q ld.so.1 - if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi - echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} - exit ;; - arm*:Linux:*:*) - eval $set_cc_for_build - if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ - | grep -q __ARM_EABI__ - then - echo ${UNAME_MACHINE}-unknown-linux-gnu - else - if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ - | grep -q __ARM_PCS_VFP - then - echo ${UNAME_MACHINE}-unknown-linux-gnueabi - else - echo ${UNAME_MACHINE}-unknown-linux-gnueabihf - fi - fi - exit ;; - avr32*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - cris:Linux:*:*) - echo ${UNAME_MACHINE}-axis-linux-gnu - exit ;; - crisv32:Linux:*:*) - echo ${UNAME_MACHINE}-axis-linux-gnu - exit ;; - frv:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - hexagon:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - i*86:Linux:*:*) - LIBC=gnu - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #ifdef __dietlibc__ - LIBC=dietlibc - #endif -EOF - eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'` - echo "${UNAME_MACHINE}-pc-linux-${LIBC}" - exit ;; - ia64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m32r*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m68*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - mips:Linux:*:* | mips64:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef ${UNAME_MACHINE} - #undef ${UNAME_MACHINE}el - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=${UNAME_MACHINE}el - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=${UNAME_MACHINE} - #else - CPU= - #endif - #endif -EOF - eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` - test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; 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without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#ifdef _WIN32 -#ifdef DLL_EXPORT -#define GGRAPH_DECLARE __declspec(dllexport) -#else -#define GGRAPH_DECLARE extern -#endif -#else -#define GGRAPH_DECLARE __attribute__ ((visibility("default"))) -#endif - -#ifndef _GGRAPH_H -#define _GGRAPH_H - -#ifdef __cplusplus -extern "C" -{ -#endif - -#define GGRAPH_COLORSPACE_UNKNOWN -1000 -#define GGRAPH_COLORSPACE_MONOCHROME 1001 -#define GGRAPH_COLORSPACE_PALETTE 1002 -#define GGRAPH_COLORSPACE_GRAYSCALE 1003 -#define GGRAPH_COLORSPACE_TRUECOLOR 1004 -#define GGRAPH_COLORSPACE_TRUECOLOR_ALPHA 1005 -#define GGRAPH_COLORSPACE_GRID 1006 - -#define GGRAPH_SAMPLE_UNKNOWN -1500 -#define GGRAPH_SAMPLE_UINT 1501 -#define GGRAPH_SAMPLE_INT 1502 -#define GGRAPH_SAMPLE_FLOAT 1503 - -#define GGRAPH_TIFF_DEFAULT -1001 - -#define GGRAPH_TIFF_LAYOUT_STRIPS 2001 -#define GGRAPH_TIFF_LAYOUT_TILES 2002 - -#define GGRAPH_TIFF_COMPRESSION_UNKNOWN -3000 -#define GGRAPH_TIFF_COMPRESSION_NONE 3001 -#define GGRAPH_TIFF_COMPRESSION_CCITTFAX3 3002 -#define GGRAPH_TIFF_COMPRESSION_CCITTFAX4 3003 -#define GGRAPH_TIFF_COMPRESSION_LZW 3004 -#define GGRAPH_TIFF_COMPRESSION_DEFLATE 3005 -#define GGRAPH_TIFF_COMPRESSION_JPEG 3006 - -#define GGRAPH_IMAGE_UNKNOWN -4000 -#define GGRAPH_IMAGE_GIF 4001 -#define GGRAPH_IMAGE_PNG 4002 -#define GGRAPH_IMAGE_JPEG 4003 -#define GGRAPH_IMAGE_TIFF 4004 -#define GGRAPH_IMAGE_GEOTIFF 4005 -#define GGRAPH_IMAGE_HGT 4006 -#define GGRAPH_IMAGE_BIN_HDR 4007 -#define GGRAPH_IMAGE_FLT_HDR 4008 -#define GGRAPH_IMAGE_DEM_HDR 4009 -#define GGRAPH_IMAGE_ASCII_GRID 4010 - -#define GGRAPH_PENSTYLE_SOLID 5001 -#define GGRAPH_PENSTYLE_DOT 5002 -#define GGRAPH_PENSTYLE_LONG_DASH 5003 -#define GGRAPH_PENSTYLE_SHORT_DASH 5004 -#define GGRAPH_PENSTYLE_DOT_DASH 5005 - -#define GGRAPH_FONTSTYLE_NORMAL 5101 -#define GGRAPH_FONTSTYLE_ITALIC 5102 - -#define GGRAPH_FONTWEIGHT_NORMAL 5201 -#define GGRAPH_FONTWEIGHT_BOLD 5202 - -#define GGRAPH_CLEAR_PATH 5100 -#define GGRAPH_PRESERVE_PATH 5101 - - -#define GGRAPH_OK 0 -#define GGRAPH_ERROR -1 -#define GGRAPH_INVALID_IMAGE -2 -#define GGRAPH_INSUFFICIENT_MEMORY -3 -#define GGRAPH_FILE_OPEN_ERROR -4 -#define GGRAPH_FILE_READ_ERROR -5 -#define GGRAPH_FILE_WRITE_ERROR -6 -#define GGRAPH_GIF_CODEC_ERROR -7 -#define GGRAPH_PNG_CODEC_ERROR -8 -#define GGRAPH_JPEG_CODEC_ERROR -9 -#define GGRAPH_TIFF_CODEC_ERROR -10 -#define GGRAPH_GEOTIFF_CODEC_ERROR -11 -#define GGRAPH_HGT_CODEC_ERROR -12 -#define GGRAPH_BIN_CODEC_ERROR -13 -#define GGRAPH_FLT_CODEC_ERROR -14 -#define GGRAPH_DEM_CODEC_ERROR -15 -#define GGRAPH_ASCII_CODEC_ERROR -16 -#define GGRAPH_UNSUPPORTED_TIFF_LAYOUT -17 -#define GGRAPH_MISSING_GEO_DEFS -18 -#define GGRAPH_INVALID_COLOR_RULE -19 -#define GGRAPH_INVALID_COLOR_MAP -20 -#define GGRAPH_INVALID_SHADED_RELIEF_3ROWS -21 -#define GGRAPH_INVALID_PAINT_CONTEXT -22 -#define GGRAPH_INVALID_PAINT_BITMAP -23 -#define GGRAPH_INVALID_PAINT_BRUSH -24 -#define GGRAPH_INVALID_PAINT_FONT -25 -#define GGRAPH_INVALID_SVG -26 - -#define GGRAPH_TRUE -1 -#define GGRAPH_FALSE -2 - - typedef struct gaia_graphics_landsat_recalibration - { -/* a struct used for Landsat Radiometric Recalibration */ - double sun_distance; /* Earth-Sun distance (in AU) */ - double sun_elevation; /* Sun elevation (in degrees) */ -/* RED band params (#3) */ - double lmin_red; /* LMIN (from metafile) */ - double lmax_red; /* LMAX (from metafile) */ - double qcalmin_red; /* QCALMIN (from metafile) */ - double qcalmax_red; /* QCALMAX (from metafile) */ - int is_gain_low_red; /* GAIN LOW (1=yes 0=no) (from metafile) */ - double spectral_irradiance_red; /* SPECTRAL IRRADIANCE constant */ - double low_gain_factor_red; /* LOW GAIN multiplicator */ - double high_gain_factor_red; /* HIGH GAIN multiplicator */ - unsigned char recalibration_min_red; /* color recalibration MIN DN [0-255] */ - unsigned char recalibration_max_red; /* color recalibration MAX DN [0-255] */ -/* GREEN band params (#2) */ - double lmin_green; /* same as RED band */ - double lmax_green; - double qcalmin_green; - double qcalmax_green; - int is_gain_low_green; - double spectral_irradiance_green; - double low_gain_factor_green; - double high_gain_factor_green; - unsigned char recalibration_min_green; - unsigned char recalibration_max_green; -/* BLUE band params (#1) */ - double lmin_blue; /* same as RED band */ - double lmax_blue; - double qcalmin_blue; - double qcalmax_blue; - int is_gain_low_blue; - double spectral_irradiance_blue; - double low_gain_factor_blue; - double high_gain_factor_blue; - unsigned char recalibration_min_blue; - unsigned char recalibration_max_blue; -/* PANCHRO band params (#8) */ - double lmin_panchro; /* same as RED band */ - double lmax_panchro; - double qcalmin_panchro; - double qcalmax_panchro; - int is_gain_low_panchro; - double spectral_irradiance_panchro; - double low_gain_factor_panchro; - double high_gain_factor_panchro; - unsigned char recalibration_min_panchro; - unsigned char recalibration_max_panchro; - } gGraphLandsatRecalibration; - typedef gGraphLandsatRecalibration *gGraphLandsatRecalibrationPtr; - - GGRAPH_DECLARE int gGraphCreateContext (int width, int height, - const void **context); - GGRAPH_DECLARE int gGraphDestroyContext (const void *context); - GGRAPH_DECLARE int gGraphCreateSvgContext (const char *path, int width, - int height, - const void **context); - GGRAPH_DECLARE int gGraphDestroySvgContext (const void *context); - GGRAPH_DECLARE int gGraphCreatePdfContext (const char *path, int page_width, - int page_height, int width, - int height, - const void **context); - GGRAPH_DECLARE int gGraphDestroyPdfContext (const void *context); - GGRAPH_DECLARE int gGraphSetPen (const void *context, unsigned char red, - unsigned char green, unsigned char blue, - unsigned char alpha, double width, - int style); - GGRAPH_DECLARE int gGraphSetBrush (const void *context, unsigned char red, - unsigned char green, unsigned char blue, - unsigned char alpha); - GGRAPH_DECLARE int gGraphSetLinearGradientBrush (const void *context, - double x, double y, - double width, - double height, - unsigned char red1, - unsigned char green1, - unsigned char blue1, - unsigned char alpha1, - unsigned char red2, - unsigned char green2, - unsigned char blue2, - unsigned char alpha2); - GGRAPH_DECLARE int gGraphSetPatternBrush (const void *context, - const void *brush); - GGRAPH_DECLARE int gGraphSetFont (const void *context, const void *font); - GGRAPH_DECLARE int gGraphFillPath (const void *context, int preserve); - GGRAPH_DECLARE int gGraphStrokePath (const void *context, int preserve); - GGRAPH_DECLARE int gGraphMoveToPoint (const void *context, double x, - double y); - GGRAPH_DECLARE int gGraphAddLineToPath (const void *context, double x, - double y); - GGRAPH_DECLARE int gGraphCloseSubpath (const void *context); - GGRAPH_DECLARE int gGraphStrokeLine (const void *context, double x0, - double y0, double x1, double y1); - GGRAPH_DECLARE int gGraphDrawEllipse (const void *context, double x, - double y, double width, - double height); - GGRAPH_DECLARE int gGraphDrawRectangle (const void *context, double x, - double y, double width, - double height); - GGRAPH_DECLARE int gGraphDrawRoundedRectangle (const void *context, - double x, double y, - double width, double height, - double radius); - GGRAPH_DECLARE int gGraphDrawCircleSector (const void *context, - double center_x, double center_y, - double radius, double from_angle, - double to_angle); - GGRAPH_DECLARE int gGraphGetTextExtent (const void *context, - const char *text, double *pre_x, - double *pre_y, double *width, - double *height, double *post_x, - double *post_y); - GGRAPH_DECLARE int gGraphDrawText (const void *context, const char *text, - double x, double y, double angle); - GGRAPH_DECLARE int gGraphGetContextRgbArray (const void *context, - unsigned char **rgbArray); - GGRAPH_DECLARE int gGraphGetContextAlphaArray (const void *context, - unsigned char **alphaArray); - GGRAPH_DECLARE int gGraphDrawBitmap (const void *context, - const void *bitmap, int x, int y); - GGRAPH_DECLARE int gGraphCreateBitmap (unsigned char *rgbaArray, int width, - int height, const void **bitmap); - GGRAPH_DECLARE int gGraphDestroyBitmap (const void *bitmap); - GGRAPH_DECLARE int gGraphCreateBrush (unsigned char *rgbaArray, int width, - int height, const void **brush); - GGRAPH_DECLARE int gGraphDestroyBrush (const void *brush); - GGRAPH_DECLARE int gGraphCreateFont (double size, int style, int weight, - const void **font); - GGRAPH_DECLARE int gGraphDestroyFont (const void *font); - GGRAPH_DECLARE int gGraphFontSetColor (const void *font, unsigned char red, - unsigned char green, - unsigned char blue, - unsigned char alpha); - GGRAPH_DECLARE int gGraphFontSetOutline (const void *font, double width); - -/* -/ image access methods -*/ - GGRAPH_DECLARE const void *gGraphCreateRgbImage (int width, int height); - GGRAPH_DECLARE const void *gGraphCreateRgbImageFromBitmap (unsigned char - *bitmap, - int width, - int height); - GGRAPH_DECLARE const void *gGraphCreateRgbaImage (int width, int height); - GGRAPH_DECLARE const void *gGraphCreateGrayscaleImage (int width, - int height); - GGRAPH_DECLARE const void *gGraphCreatePaletteImage (int width, int height); - GGRAPH_DECLARE const void *gGraphCreateMonochromeImage (int width, - int height); - GGRAPH_DECLARE const void *gGraphCreateGridInt16Image (int width, - int height); - GGRAPH_DECLARE const void *gGraphCreateGridUInt16Image (int width, - int height); - GGRAPH_DECLARE const void *gGraphCreateGridInt32Image (int width, - int height); - GGRAPH_DECLARE const void *gGraphCreateGridUInt32Image (int width, - int height); - GGRAPH_DECLARE const void *gGraphCreateGridFloatImage (int width, - int height); - GGRAPH_DECLARE const void *gGraphCreateGridDoubleImage (int width, - int height); - GGRAPH_DECLARE int gGraphImageBackgroundFill (const void *img, - unsigned char red, - unsigned char green, - unsigned char blue, - unsigned char alpha); - GGRAPH_DECLARE int gGraphImageSetTransparentColor (const void *img, - unsigned char red, - unsigned char green, - unsigned char blue); - GGRAPH_DECLARE int gGraphImageGetTransparentColor (const void *img, - unsigned char *red, - unsigned char *green, - unsigned char *blue); - GGRAPH_DECLARE int gGraphGridBackgroundFill (const void *img, - double no_data_value); - GGRAPH_DECLARE int gGraphImageSetNoDataValue (const void *img, - double no_data_vale); - GGRAPH_DECLARE int gGraphImageGetNoDataValue (const void *img, - double *no_data_value); - GGRAPH_DECLARE void gGraphDestroyImage (const void *img); - GGRAPH_DECLARE void gGraphDestroyImageInfos (const void *img); - GGRAPH_DECLARE int gGraphGetImageDims (const void *img, int *width, - int *height); - GGRAPH_DECLARE int gGraphGetImageInfos (const void *img, int *width, - int *height, int *colorspace, - int *max_palette, - int *bits_per_sample, - int *samples_per_pixel, - int *sample_format, int *tile_width, - int *tile_height, - int *rows_per_strip, - int *compression, - double *no_data_value, - double *min_value, - double *max_value, int *scale_1_2, - int *scale_1_4, int *scale_1_8); - GGRAPH_DECLARE int gGraphGetImageSize (const void *img, int *size); - GGRAPH_DECLARE int gGraphImageColorSpaceOptimize (const void *img); - GGRAPH_DECLARE int gGraphImageResampleAsRgb (const void *img); - GGRAPH_DECLARE int gGraphImageResampleAsMonochrome (const void *img); - GGRAPH_DECLARE int gGraphImageResampleAsPalette (const void *img, - int num_colors); - GGRAPH_DECLARE int gGraphImageResampleAsGrayscale (const void *img); - GGRAPH_DECLARE int gGraphImageResampleAsPhotographic (const void *img); - GGRAPH_DECLARE int gGraphImageResampleAsGridInt16 (const void *img); - GGRAPH_DECLARE int gGraphImageResampleAsGridUInt16 (const void *img); - GGRAPH_DECLARE int gGraphImageResampleAsGridInt32 (const void *img); - GGRAPH_DECLARE int gGraphImageResampleAsGridUInt32 (const void *img); - GGRAPH_DECLARE int gGraphImageResampleAsGridFloat (const void *img); - GGRAPH_DECLARE int gGraphImageResampleAsGridDouble (const void *img); - GGRAPH_DECLARE int gGraphImageTransparentResample (const void *img); - GGRAPH_DECLARE int gGraphImageGuessFormat (const void *mem_buf, - int mem_buf_size); - GGRAPH_DECLARE int gGraphFileImageGuessFormat (const char *path, int *type); - -/* -/ the following methods return a copy of the internal image buffer -/ PLEASE NOTE: you are responsible to free() the returned memory block -*/ - GGRAPH_DECLARE int gGraphImageBufferReferenceRGB (const void *img, - unsigned char **buffer); - GGRAPH_DECLARE int gGraphImageBufferReferenceRGBA (const void *img, - unsigned char **buffer); - GGRAPH_DECLARE int gGraphImageBufferReferenceARGB (const void *img, - unsigned char **buffer); - GGRAPH_DECLARE int gGraphImageBufferReferenceBGR (const void *img, - unsigned char **buffer); - GGRAPH_DECLARE int gGraphImageBufferReferenceBGRA (const void *img, - unsigned char **buffer); - -/* -/ image resizing / image subsetting -*/ - GGRAPH_DECLARE int gGraphImageResizeNormal (const void *orig, - const void **dest, int width, - int height); - GGRAPH_DECLARE int gGraphImageResizeHighQuality (const void *orig, - const void **dest, - int width, int height); - GGRAPH_DECLARE int gGraphImageResizeToResolution (const void *orig, - const void **dest, - double pixel_x_size, - double pixel_y_size, - int *width, int *height); - GGRAPH_DECLARE int gGraphImageSubSet (const void *orig, const void **dest, - int upper_left_x, int upper_left_y, - int width, int height); - -/* -/ utility functions handling image georeferencing -*/ - GGRAPH_DECLARE int gGraphGetWorldFilePath (const char *main_path, - char *world_file_path); - - GGRAPH_DECLARE int gGraphCheckHgtPath (const char *path, int *lat, - int *lon); - GGRAPH_DECLARE int gGraphCheckBinPath (const char *path, char *hdr_path, - int dont_test); - GGRAPH_DECLARE int gGraphCheckFltPath (const char *path, char *hdr_path, - int dont_test); - GGRAPH_DECLARE int gGraphCheckDemPath (const char *path, char *hdr_path, - int dont_test); - GGRAPH_DECLARE int gGraphCheckAscPath (const char *path); - - GGRAPH_DECLARE int gGraphImageIsGeoRef (const void *img); - GGRAPH_DECLARE int gGraphImageSetGeoRef (const void *img, int srid, - const char *srs_name, - const char *proj4text, - double upper_left_x, - double upper_left_y, - double pixel_x_size, - double pixel_y_size); - GGRAPH_DECLARE int gGraphImageGetGeoRef (const void *img, int *srid, - char *srs_name, - char *proj4text, - double *upper_left_x, - double *upper_left_y, - double *pixel_x_size, - double *pixel_y_size); - GGRAPH_DECLARE int gGraphImageInfosGetGeoRef (const void *img, - int *srid, - char *srs_name, - char *proj4text, - double *upper_left_x, - double *upper_left_y, - double *pixel_x_size, - double *pixel_y_size); - GGRAPH_DECLARE int gGraphReadWorldFile (const char *path, - double *upper_left_x, - double *upper_left_y, - double *pixel_x_size, - double *pixel_y_size); - -/* -/ utility functions returning an image -*/ - GGRAPH_DECLARE int gGraphImageFromFile (const char *path, int image_type, - const void **image_handle, - int scale); - GGRAPH_DECLARE int gGraphImageFromMemBuf (const void *mem_buf, - int mem_buf_size, int image_type, - const void **image_handle, - int scale); - -/* -/ utility functions returning image infos -*/ - GGRAPH_DECLARE int gGraphImageInfosFromHgtFile (const char *path, - int lat, int lon, - const void **infos_handle); - GGRAPH_DECLARE int gGraphImageInfosFromBinFile (const char *path, - const char *hdr_path, - const void **infos_handle); - GGRAPH_DECLARE int gGraphImageInfosFromFltFile (const char *path, - const char *hdr_path, - const void **infos_handle); - GGRAPH_DECLARE int gGraphImageInfosFromDemFile (const char *path, - const char *hdr_path, - const void **infos_handle); - GGRAPH_DECLARE int gGraphImageInfosFromAscFile (const char *path, - const void **infos_handle); - GGRAPH_DECLARE int gGraphImageInfosFromFile (const char *path, - int image_type, - const void **infos_handle); - GGRAPH_DECLARE int gGraphImageInfosFromMemBuf (const void *mem_buf, - int mem_buf_size, - int image_type, - const void **infos_handle); - -/* -/ utility functions generating a file from an image -*/ - GGRAPH_DECLARE int gGraphImageToJpegFile (const void *img, const char *path, - int quality); - GGRAPH_DECLARE int gGraphImageToPngFile (const void *img, const char *path, - int compression_level, - int quantization_factor, - int interlaced); - GGRAPH_DECLARE int gGraphImageToGifFile (const void *img, const char *path); - -/* -/ utility functions generating a memory buffer from an image -*/ - GGRAPH_DECLARE int gGraphImageToJpegMemBuf (const void *img, void **mem_buf, - int *mem_buf_size, - int jpeg_quality); - GGRAPH_DECLARE int gGraphImageToPngMemBuf (const void *img, void **mem_buf, - int *mem_buf_size, - int compression_level, - int quantization_factor, - int interlaced, - int is_transparent); - GGRAPH_DECLARE int gGraphImageToGifMemBuf (const void *img, void **mem_buf, - int *mem_buf_size, - int is_transparent); - -/* -/ utility functions handling Adam7 and Monochrome encoding -*/ - GGRAPH_DECLARE int gGraphImageToAdam7 (const void *img, void *mem_bufs[7], - int mem_buf_sizes[7], void **palette, - int *palette_size); - GGRAPH_DECLARE int gGraphImageFromAdam7 (void *mem_bufs[7], - int mem_buf_sizes[7], - void *palette, int palette_size, - const void **image_handle, - int scale); - GGRAPH_DECLARE int gGraphImageToMonochrome (const void *img, void **mem_buf, - int *mem_buf_size); - GGRAPH_DECLARE int gGraphImageFromMonochrome (const void *mem_buf, - int mem_buf_size, - const void **image_handle); - -/* -/ functions for RAW image handling -*/ - GGRAPH_DECLARE int gGraphImageFromRawMemBuf (const void *mem_buf, - int mem_buf_size, - const void **image_handle); - GGRAPH_DECLARE int gGraphIsRawImage (const void *mem_buf, int mem_buf_size); - -/* -/ methods accessing a file-based Image by Strips -*/ - GGRAPH_DECLARE int gGraphImageFromHgtFileByStrips (const char *path, - int lat, int lon, - const void - **strip_handle); - GGRAPH_DECLARE int gGraphImageFromBinFileByStrips (const char *path, - const char *hdr_path, - const void - **strip_handle); - GGRAPH_DECLARE int gGraphImageFromFltFileByStrips (const char *path, - const char *hdr_path, - const void - **strip_handle); - GGRAPH_DECLARE int gGraphImageFromDemFileByStrips (const char *path, - const char *hdr_path, - const void - **strip_handle); - GGRAPH_DECLARE int gGraphImageFromAscFileByStrips (const char *path, - const void - **strip_handle); - GGRAPH_DECLARE int gGraphImageFromFileByStrips (const char *path, - int image_type, - const void **strip_handle); - GGRAPH_DECLARE int gGraphReadNextStrip (const void *strip_handle, - int *progress); - - GGRAPH_DECLARE int gGraphImageToJpegFileByStrips (const void **strip_handle, - const char *path, - int width, int height, - int color_model, - int quality); - GGRAPH_DECLARE int gGraphImageToPngFileByStrips (const void **strip_handle, - const char *path, - int width, int height, - int color_model, - int bits_per_sample, - int num_palette, - unsigned char *red, - unsigned char *green, - unsigned char *blue, - int compression_level, - int quantization_factor); - GGRAPH_DECLARE int gGraphImageToTiffFileByStrips (const void **strip_handle, - const char *path, - int width, int height, - int color_model, - int is_tiled, - int tile_width, - int tile_height, - int rows_per_strip, - int bits_per_sample, - int sample_format, - int num_palette, - unsigned char *red, - unsigned char *green, - unsigned char *blue, - int compression); - GGRAPH_DECLARE int gGraphImageToGeoTiffFileByStrips (const void - **strip_handle, - const char *path, - int width, int height, - int color_model, - int is_tiled, - int tile_width, - int tile_height, - int rows_per_strip, - int bits_per_sample, - int sample_format, - int num_palette, - unsigned char *red, - unsigned char *green, - unsigned char *blue, - int compression, - int srid, - const char *srs_name, - const char *proj4text, - double upper_left_x, - double upper_left_y, - double pixel_x_size, - double pixel_y_size); - GGRAPH_DECLARE int gGraphImageToBinHdrFileByStrips (const void - **strip_handle, - const char *path, - int width, int height, - int bits_per_sample, - double upper_left_x, - double upper_left_y, - double pixel_x_size, - double pixel_y_size, - double no_data_value); - GGRAPH_DECLARE int gGraphImageToFltHdrFileByStrips (const void - **strip_handle, - const char *path, - int width, int height, - int bits_per_sample, - double upper_left_x, - double upper_left_y, - double pixel_x_size, - double pixel_y_size, - double no_data_value); - GGRAPH_DECLARE int gGraphImageToAscFileByStrips (const void **strip_handle, - const char *path, - int width, int height, - int sample, - int bits_per_sample, - double upper_left_x, - double upper_left_y, - double pixel_x_size, - double pixel_y_size, - double no_data_value); - GGRAPH_DECLARE int gGraphWriteNextStrip (const void *strip_handle, - int *progress); - GGRAPH_DECLARE int gGraphWriteBinHeader (const char *hdr_path, - const void *strip_handle); - GGRAPH_DECLARE int gGraphWriteFltHeader (const char *hdr_path, - const void *strip_handle); - - GGRAPH_DECLARE int gGraphStripImageClonePalette (const void *strip_handle, - int *color_model, - int *num_palette, - unsigned char *red, - unsigned char *green, - unsigned char *blue); - GGRAPH_DECLARE int gGraphStripImageAllocPixels (const void *strip_handle, - int rows_per_block); - GGRAPH_DECLARE int gGraphStripImageEOF (const void *strip_handle); - GGRAPH_DECLARE int gGraphStripImageCopyPixels (const void *in_strip_handle, - const void - *out_strip_handle); - GGRAPH_DECLARE int gGraphStripImageRenderGridPixels (const void - *in_strip_handle, - const void - *out_strip_handle, - const void - *color_map_handle, - int num_threads); - GGRAPH_DECLARE int gGraphStripImageSubSetPixels (const void - *in_strip_handle, - const void - *out_strip_handle, - int start_from, int row); - GGRAPH_DECLARE int gGraphStripImageGetNextRow (const void *in_strip_handle, - int *next_row); - GGRAPH_DECLARE int gGraphStripIsFull (const void *in_strip_handle); - GGRAPH_DECLARE int gGraphGetStripImageMinMaxValue (const void - *in_strip_handle, - double *min_value, - double *max_value, - double no_data_value); - - GGRAPH_DECLARE int gGraphStripImageRewind (const void *in_strip_handle); - GGRAPH_DECLARE int gGraphStripImageGetCurrentRows (const void - *in_strip_handle, - int *rows); - GGRAPH_DECLARE int gGraphStripImageSetCurrentRows (const void - *in_strip_handle, - int rows); - GGRAPH_DECLARE int gGraphStripImageGetPixelRGB (const void *in_strip_handle, - int col, int row, - unsigned char *red, - unsigned char *green, - unsigned char *blue); - GGRAPH_DECLARE int gGraphStripImageSetPixelRGB (const void *in_strip_handle, - int col, int row, - unsigned char red, - unsigned char green, - unsigned char blue); - - GGRAPH_DECLARE int gGraphCountColors (const char *path, int image_type, - int rows_per_block); - GGRAPH_DECLARE void gGraphSmartPrintf (double value, char *buf); - - GGRAPH_DECLARE int gGraphColorRuleFromFile (const char *path, - const void **color_rule); - GGRAPH_DECLARE int gGraphColorRuleFromMemBuf (char *buf, - const void **color_rule); - GGRAPH_DECLARE void gGraphDestroyColorRule (const void *color_rule); - GGRAPH_DECLARE int gGraphIsColorRuleRelative (const void *color_rule, - int *relative); - GGRAPH_DECLARE int gGraphCreateColorMapAbsolute (const void *color_rule, - unsigned char - background_red, - unsigned char - background_green, - unsigned char - background_blue, - const void **color_map); - GGRAPH_DECLARE int gGraphCreateColorMapRelative (const void *color_rule, - double min, double max, - unsigned char - background_red, - unsigned char - background_green, - unsigned char - background_blue, - const void **color_map); - GGRAPH_DECLARE void gGraphDestroyColorMap (const void *color_map); - - GGRAPH_DECLARE int gGraphCreateShadedReliefTripleRow (int width, - unsigned char - background_red, - unsigned char - background_green, - unsigned char - background_blue, - double no_data, - const void - *color_map_handle, - unsigned char - mono_red, - unsigned char - mono_green, - unsigned char - mono_blue, - double z_factor, - double scale_factor, - double azimuth, - double altitude, - const void - **triple_row_handle); - GGRAPH_DECLARE void gGraphDestroyShadedReliefTripleRow (const void - *triple_row_handle); - - GGRAPH_DECLARE int gGraphShadedReliefRenderPixels (const void - *triple_row_handle, - int num_threads, - int *out_row_ready); - GGRAPH_DECLARE int gGraphStripImageGetShadedReliefScanline (const void - *in_img_handle, - int row_index, - const void - *triple_row_handle); - GGRAPH_DECLARE int gGraphStripImageSetShadedReliefScanline (const void - *triple_row_handle, - const void - *out_img_handle, - int row_index); - GGRAPH_DECLARE int gGraphLandsatRGB (const void *img_red, - const void *img_green, - const void *img_blue, - const void *img_rgb, int width, - int num_rows, - gGraphLandsatRecalibrationPtr params, - int num_threads); - GGRAPH_DECLARE int gGraphLandsatBW (const void *img_in, const void *img_out, - int width, int num_rows, - gGraphLandsatRecalibrationPtr params, - int num_threads); - GGRAPH_DECLARE int gGraphGetLandsatSceneExtent (const void *img_in, - int base_row, double *top_x, - double *top_y, - double *bottom_x, - double *bottom_y, - double *left_x, - double *left_y, - double *right_x, - double *right_y); - GGRAPH_DECLARE int gGraphLandsatMergePixels (const void *img_in, - int base_row, - const void *img_out); - GGRAPH_DECLARE int gGraphOutputPixelsToStripImage (const void *img_in, - const void *img_out, - int in_row, int out_row); - GGRAPH_DECLARE int gGraphInputPixelsFromStripImage (const void *img_in, - const void *img_out, - int in_col); - GGRAPH_DECLARE int gGraphGeoMergePixels (const void *img_in, - const void *img_out); - GGRAPH_DECLARE int gGraphImageFromStripImage (const void *img_in, - int color_space, - int sample_format, - int bits_per_sample, - int samples_per_pixel, - int start_line, - const void **img_out); - -/* SVG images */ - GGRAPH_DECLARE int gGraphCreateSVG (const unsigned char *svg_document, - int svg_bytes, void **svg_handle); - GGRAPH_DECLARE int gGraphGetSVGDims (void *svg_handle, double *width, - double *height); - GGRAPH_DECLARE int gGraphImageFromSVG (void *handle, double size, - const void **img_out); - GGRAPH_DECLARE int gGraphFreeSVG (void *sgv_handle); - -#ifdef __cplusplus -} -#endif - -#endif /* _GGRAPH_H */ DELETED headers/gaiagraphics_internals.h Index: headers/gaiagraphics_internals.h ================================================================== --- headers/gaiagraphics_internals.h +++ headers/gaiagraphics_internals.h @@ -1,1345 +0,0 @@ -/* -/ GGRAPH_internals.h -/ -/ internal declarations -/ -/ version 1.0, 2010 July 20 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2010 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include - -#ifdef _WIN32 -#ifdef DLL_EXPORT -#define GGRAPH_PRIVATE -#else -#define GGRAPH_PRIVATE -#endif -#else -#define GGRAPH_PRIVATE __attribute__ ((visibility("hidden"))) -#endif - -#define GG_IMAGE_JPEG_RGB 100 -#define GG_IMAGE_JPEG_BW 101 -#define GG_IMAGE_TIFF_FAX4 102 -#define GG_IMAGE_TIFF_PALETTE 103 -#define GG_IMAGE_TIFF_GRAYSCALE 104 -#define GG_IMAGE_TIFF_RGB 105 -#define GG_IMAGE_PNG_PALETTE 106 -#define GG_IMAGE_PNG_GRAYSCALE 107 -#define GG_IMAGE_PNG_RGB 108 -#define GG_IMAGE_GIF_PALETTE 109 - -#define GG_PIXEL_UNKNOWN -200 -#define GG_PIXEL_RGB 201 -#define GG_PIXEL_RGBA 202 -#define GG_PIXEL_ARGB 203 -#define GG_PIXEL_BGR 204 -#define GG_PIXEL_BGRA 205 -#define GG_PIXEL_GRAYSCALE 206 -#define GG_PIXEL_PALETTE 207 -#define GG_PIXEL_GRID 208 - -#define GG_TARGET_IS_MEMORY 2001 -#define GG_TARGET_IS_FILE 2002 - -#define GG_IMAGE_MAGIC_SIGNATURE 65391 -#define GG_IMAGE_INFOS_MAGIC_SIGNATURE 37183 -#define GG_STRIP_IMAGE_MAGIC_SIGNATURE 17359 -#define GG_COLOR_RULE_MAGIC_SIGNATURE 23713 -#define GG_COLOR_MAP_MAGIC_SIGNATURE 27317 -#define GG_SHADED_RELIEF_3ROWS_MAGIC_SIGNATURE 18573 - -#define GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE 1314 -#define GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE 1334 -#define GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE 1374 -#define GG_GRAPHICS_BITMAP_MAGIC_SIGNATURE 5317 -#define GG_GRAPHICS_BRUSH_MAGIC_SIGNATURE 2671 -#define GG_GRAPHICS_FONT_MAGIC_SIGNATURE 7459 -#define GG_GRAPHICS_SVG_MAGIC_SIGNATURE 3265 - -/* ADAM7/RAW markers */ -#define GG_MONOCHROME_START 3301 -#define GG_MONOCHROME_END 3311 -#define GG_ADAM7_PALETTE_START 3901 -#define GG_ADAM7_PALETTE_END 3911 -#define GG_ADAM7_0_RGB_START 3001 -#define GG_ADAM7_0_RGB_END 3011 -#define GG_ADAM7_1_RGB_START 3002 -#define GG_ADAM7_1_RGB_END 3012 -#define GG_ADAM7_2_RGB_START 3003 -#define GG_ADAM7_2_RGB_END 3013 -#define GG_ADAM7_3_RGB_START 3004 -#define GG_ADAM7_3_RGB_END 3014 -#define GG_ADAM7_4_RGB_START 3005 -#define GG_ADAM7_4_RGB_END 3015 -#define GG_ADAM7_5_RGB_START 3006 -#define GG_ADAM7_5_RGB_END 3016 -#define GG_ADAM7_6_RGB_START 3007 -#define GG_ADAM7_6_RGB_END 3017 -#define GG_ADAM7_0_GRAYSCALE_START 3101 -#define GG_ADAM7_0_GRAYSCALE_END 3111 -#define GG_ADAM7_1_GRAYSCALE_START 3102 -#define GG_ADAM7_1_GRAYSCALE_END 3112 -#define GG_ADAM7_2_GRAYSCALE_START 3103 -#define GG_ADAM7_2_GRAYSCALE_END 3113 -#define GG_ADAM7_3_GRAYSCALE_START 3104 -#define GG_ADAM7_3_GRAYSCALE_END 3114 -#define GG_ADAM7_4_GRAYSCALE_START 3105 -#define GG_ADAM7_4_GRAYSCALE_END 3115 -#define GG_ADAM7_5_GRAYSCALE_START 3106 -#define GG_ADAM7_5_GRAYSCALE_END 3116 -#define GG_ADAM7_6_GRAYSCALE_START 3107 -#define GG_ADAM7_6_GRAYSCALE_END 3117 -#define GG_ADAM7_0_PALETTE_START 3201 -#define GG_ADAM7_0_PALETTE_END 3211 -#define GG_ADAM7_1_PALETTE_START 3202 -#define GG_ADAM7_1_PALETTE_END 3212 -#define GG_ADAM7_2_PALETTE_START 3203 -#define GG_ADAM7_2_PALETTE_END 3213 -#define GG_ADAM7_3_PALETTE_START 3204 -#define GG_ADAM7_3_PALETTE_END 3214 -#define GG_ADAM7_4_PALETTE_START 3205 -#define GG_ADAM7_4_PALETTE_END 3215 -#define GG_ADAM7_5_PALETTE_START 3206 -#define GG_ADAM7_5_PALETTE_END 3216 -#define GG_ADAM7_6_PALETTE_START 3207 -#define GG_ADAM7_6_PALETTE_END 3217 -#define GG_ADAM7_0_INT16_START 3401 -#define GG_ADAM7_0_INT16_END 3411 -#define GG_ADAM7_1_INT16_START 3402 -#define GG_ADAM7_1_INT16_END 3412 -#define GG_ADAM7_2_INT16_START 3403 -#define GG_ADAM7_2_INT16_END 3413 -#define GG_ADAM7_3_INT16_START 3404 -#define GG_ADAM7_3_INT16_END 3414 -#define GG_ADAM7_4_INT16_START 3405 -#define GG_ADAM7_4_INT16_END 3415 -#define GG_ADAM7_5_INT16_START 3406 -#define GG_ADAM7_5_INT16_END 3416 -#define GG_ADAM7_6_INT16_START 3407 -#define GG_ADAM7_6_INT16_END 3417 -#define GG_ADAM7_0_UINT16_START 3501 -#define GG_ADAM7_0_UINT16_END 3511 -#define GG_ADAM7_1_UINT16_START 3502 -#define GG_ADAM7_1_UINT16_END 3512 -#define GG_ADAM7_2_UINT16_START 3503 -#define GG_ADAM7_2_UINT16_END 3513 -#define GG_ADAM7_3_UINT16_START 3504 -#define GG_ADAM7_3_UINT16_END 3514 -#define GG_ADAM7_4_UINT16_START 3505 -#define GG_ADAM7_4_UINT16_END 3515 -#define GG_ADAM7_5_UINT16_START 3506 -#define GG_ADAM7_5_UINT16_END 3516 -#define GG_ADAM7_6_UINT16_START 3507 -#define GG_ADAM7_6_UINT16_END 3517 -#define GG_ADAM7_0_INT32_START 3501 -#define GG_ADAM7_0_INT32_END 3511 -#define GG_ADAM7_1_INT32_START 3502 -#define GG_ADAM7_1_INT32_END 3512 -#define GG_ADAM7_2_INT32_START 3503 -#define GG_ADAM7_2_INT32_END 3513 -#define GG_ADAM7_3_INT32_START 3504 -#define GG_ADAM7_3_INT32_END 3514 -#define GG_ADAM7_4_INT32_START 3505 -#define GG_ADAM7_4_INT32_END 3515 -#define GG_ADAM7_5_INT32_START 3506 -#define GG_ADAM7_5_INT32_END 3516 -#define GG_ADAM7_6_INT32_START 3507 -#define GG_ADAM7_6_INT32_END 3517 -#define GG_ADAM7_0_UINT32_START 3601 -#define GG_ADAM7_0_UINT32_END 3611 -#define GG_ADAM7_1_UINT32_START 3602 -#define GG_ADAM7_1_UINT32_END 3612 -#define GG_ADAM7_2_UINT32_START 3603 -#define GG_ADAM7_2_UINT32_END 3613 -#define GG_ADAM7_3_UINT32_START 3604 -#define GG_ADAM7_3_UINT32_END 3614 -#define GG_ADAM7_4_UINT32_START 3605 -#define GG_ADAM7_4_UINT32_END 3615 -#define GG_ADAM7_5_UINT32_START 3606 -#define GG_ADAM7_5_UINT32_END 3616 -#define GG_ADAM7_6_UINT32_START 3607 -#define GG_ADAM7_6_UINT32_END 3617 -#define GG_ADAM7_0_FLOAT_START 3701 -#define GG_ADAM7_0_FLOAT_END 3711 -#define GG_ADAM7_1_FLOAT_START 3702 -#define GG_ADAM7_1_FLOAT_END 3712 -#define GG_ADAM7_2_FLOAT_START 3703 -#define GG_ADAM7_2_FLOAT_END 3713 -#define GG_ADAM7_3_FLOAT_START 3704 -#define GG_ADAM7_3_FLOAT_END 3714 -#define GG_ADAM7_4_FLOAT_START 3705 -#define GG_ADAM7_4_FLOAT_END 3715 -#define GG_ADAM7_5_FLOAT_START 3706 -#define GG_ADAM7_5_FLOAT_END 3716 -#define GG_ADAM7_6_FLOAT_START 3707 -#define GG_ADAM7_6_FLOAT_END 3717 -#define GG_ADAM7_0_DOUBLE_START 3801 -#define GG_ADAM7_0_DOUBLE_END 3811 -#define GG_ADAM7_1_DOUBLE_START 3802 -#define GG_ADAM7_1_DOUBLE_END 3812 -#define GG_ADAM7_2_DOUBLE_START 3803 -#define GG_ADAM7_2_DOUBLE_END 3813 -#define GG_ADAM7_3_DOUBLE_START 3804 -#define GG_ADAM7_3_DOUBLE_END 3814 -#define GG_ADAM7_4_DOUBLE_START 3805 -#define GG_ADAM7_4_DOUBLE_END 3815 -#define GG_ADAM7_5_DOUBLE_START 3806 -#define GG_ADAM7_5_DOUBLE_END 3816 -#define GG_ADAM7_6_DOUBLE_START 3807 -#define GG_ADAM7_6_DOUBLE_END 3817 - -/* SVG constants */ -#define GG_SVG_UNKNOWN 0 - -/* SVG basic shapes */ -#define GG_SVG_RECT 1 -#define GG_SVG_CIRCLE 2 -#define GG_SVG_ELLIPSE 3 -#define GG_SVG_LINE 4 -#define GG_SVG_POLYLINE 5 -#define GG_SVG_POLYGON 6 -#define GG_SVG_PATH 7 - -/* SVG transformations */ -#define GG_SVG_MATRIX 8 -#define GG_SVG_TRANSLATE 9 -#define GG_SVG_SCALE 10 -#define GG_SVG_ROTATE 11 -#define GG_SVG_SKEW_X 12 -#define GG_SVG_SKEW_Y 13 - -/* SVG Path actions */ -#define GG_SVG_MOVE_TO 14 -#define GG_SVG_LINE_TO 15 -#define GG_SVG_CURVE_3 16 -#define GG_SVG_CURVE_4 17 -#define GG_SVG_ELLIPT_ARC 18 -#define GG_SVG_CLOSE_PATH 19 - -/* SGV Items */ -#define GG_SVG_ITEM_GROUP 20 -#define GG_SVG_ITEM_SHAPE 21 -#define GG_SVG_ITEM_USE 22 -#define GG_SVG_ITEM_CLIP 23 - -/* SVG Gradients */ -#define GG_SVG_LINEAR_GRADIENT 24 -#define GG_SVG_RADIAL_GRADIENT 25 -#define GG_SVG_USER_SPACE 26 -#define GG_SVG_BOUNDING_BOX 27 - -typedef struct gaia_graphics_image_infos -{ -/* a generic image INFOS */ - int signature; - int width; - int height; - int pixel_format; - int bits_per_sample; - int samples_per_pixel; - int sample_format; - int max_palette; - unsigned char palette_red[256]; - unsigned char palette_green[256]; - unsigned char palette_blue[256]; - int is_transparent; - int tile_width; - int tile_height; - int rows_per_strip; - int compression; - int scale_1_2; - int scale_1_4; - int scale_1_8; - int is_georeferenced; - int srid; - char *srs_name; - char *proj4text; - double upper_left_x; - double upper_left_y; - double pixel_x_size; - double pixel_y_size; - double no_data_value; - double min_value; - double max_value; -} gGraphImageInfos; -typedef gGraphImageInfos *gGraphImageInfosPtr; - -typedef struct gaia_graphics_image -{ -/* a generic image */ - int signature; - unsigned char *pixels; - int width; - int height; - int bits_per_sample; - int samples_per_pixel; - int sample_format; - int scanline_width; - int pixel_size; - int pixel_format; - int max_palette; - unsigned char palette_red[256]; - unsigned char palette_green[256]; - unsigned char palette_blue[256]; - int is_transparent; - unsigned char transparent_red; - unsigned char transparent_green; - unsigned char transparent_blue; - int tile_width; - int tile_height; - int rows_per_strip; - int compression; - int is_georeferenced; - int srid; - char *srs_name; - char *proj4text; - double upper_left_x; - double upper_left_y; - double pixel_x_size; - double pixel_y_size; - double no_data_value; - double min_value; - double max_value; -} gGraphImage; -typedef gGraphImage *gGraphImagePtr; - -typedef struct gaia_graphics_strip_image -{ -/* a file-based image accessed by strips */ - int signature; - FILE *file_handle; - int codec_id; - int rows_per_block; - int current_available_rows; - int next_row; - unsigned char *pixels; - int width; - int height; - int bits_per_sample; - int samples_per_pixel; - int sample_format; - int scanline_width; - int pixel_size; - int pixel_format; - int max_palette; - unsigned char palette_red[256]; - unsigned char palette_green[256]; - unsigned char palette_blue[256]; - int is_transparent; - unsigned char transparent_red; - unsigned char transparent_green; - unsigned char transparent_blue; - int tile_width; - int tile_height; - int rows_per_strip; - int compression; - int is_georeferenced; - int srid; - char *srs_name; - char *proj4text; - double upper_left_x; - double upper_left_y; - double pixel_x_size; - double pixel_y_size; - double no_data_value; - double min_value; - double max_value; - void *codec_data; -} gGraphStripImage; -typedef gGraphStripImage *gGraphStripImagePtr; - -typedef struct gaia_graphics_color_rule_item -{ -/* a Color Rule Item */ - double value; - double percent_value; - unsigned char is_percent; - unsigned char red; - unsigned char green; - unsigned char blue; - struct gaia_graphics_color_rule_item *next; -} gGraphColorRuleItem; -typedef gGraphColorRuleItem *gGraphColorRuleItemPtr; - -typedef struct gaia_graphics_color_rule -{ -/* a Color Rule definition [GRASS-like] */ - int signature; - struct gaia_graphics_color_rule_item *first; - struct gaia_graphics_color_rule_item *last; - unsigned char no_data_red; - unsigned char no_data_green; - unsigned char no_data_blue; - unsigned char needs_range; -} gGraphColorRule; -typedef gGraphColorRule *gGraphColorRulePtr; - -typedef struct gaia_graphics_color_map_entry -{ -/* a Color Map Entry */ - double min; - double max; - unsigned char red; - unsigned char green; - unsigned char blue; - struct gaia_graphics_color_map_entry *next; -} gGraphColorMapEntry; -typedef gGraphColorMapEntry *gGraphColorMapEntryPtr; - -typedef struct gaia_graphics_color_map -{ -/* a Color Map */ - int signature; - unsigned char no_data_red; - unsigned char no_data_green; - unsigned char no_data_blue; - unsigned char not_found_red; - unsigned char not_found_green; - unsigned char not_found_blue; - struct gaia_graphics_color_map_entry *first; - struct gaia_graphics_color_map_entry *last; - int num_entries; - struct gaia_graphics_color_map_entry **array; -} gGraphColorMap; -typedef gGraphColorMap *gGraphColorMapPtr; - -typedef struct shaded_relief_triple_row -{ -/* the 3-scanlines object for Shaded Relief */ - int signature; - int width; - float *in_row1; - float *in_row2; - float *in_row3; - float *current_row; - unsigned char *out_rgb; - struct gaia_graphics_color_map *color_map; - unsigned char mono_red; - unsigned char mono_green; - unsigned char mono_blue; - double z_factor; - double scale_factor; - double azimuth; - double altitude; - float no_data_value; - unsigned char no_red; - unsigned char no_green; - unsigned char no_blue; -} gGraphShadedReliefTripleRow; -typedef gGraphShadedReliefTripleRow *gGraphShadedReliefTripleRowPtr; - -struct gaia_graphics_pen -{ -/* a struct wrapping a Cairo Pen */ - double red; - double green; - double blue; - double alpha; - double width; - double lengths[4]; - int lengths_count; -}; - -struct gaia_graphics_brush -{ -/* a struct wrapping a Cairo Brush */ - int is_solid_color; - int is_linear_gradient; - int is_pattern; - double red; - double green; - double blue; - double alpha; - double x0; - double y0; - double x1; - double y1; - double red2; - double green2; - double blue2; - double alpha2; - cairo_pattern_t *pattern; -}; - -typedef struct gaia_graphics_context -{ -/* a Cairo based painting context */ - int signature; - cairo_surface_t *surface; - cairo_t *cairo; - struct gaia_graphics_pen current_pen; - struct gaia_graphics_brush current_brush; - double font_red; - double font_green; - double font_blue; - double font_alpha; - int is_font_outlined; - double font_outline_width; -} gGraphContext; -typedef gGraphContext *gGraphContextPtr; - -typedef struct gaia_graphics_bitmap -{ -/* a Cairo based symbol bitmap */ - int signature; - int width; - int height; - cairo_surface_t *bitmap; - cairo_pattern_t *pattern; -} gGraphBitmap; -typedef gGraphBitmap *gGraphBitmapPtr; - -typedef struct gaia_graphics_pattern_brush -{ -/* a Cairo based pattern brush */ - int signature; - int width; - int height; - cairo_surface_t *bitmap; - cairo_pattern_t *pattern; -} gGraphPatternBrush; -typedef gGraphPatternBrush *gGraphPatternBrushPtr; - -typedef struct gaia_graphics_font -{ -/* a struct wrapping a Cairo Font */ - int signature; - double size; - int is_outlined; - double outline_width; - int style; - int weight; - double red; - double green; - double blue; - double alpha; -} gGraphFont; -typedef gGraphFont *gGraphFontPtr; - -struct gg_svg_matrix -{ -/* SVG Matrix data */ - double a; - double b; - double c; - double d; - double e; - double f; -}; - -struct gg_svg_translate -{ -/* SVG Translate data */ - double tx; - double ty; -}; - -struct gg_svg_scale -{ -/* SVG Scale data */ - double sx; - double sy; -}; - -struct gg_svg_rotate -{ -/* SVG Rotate data */ - double angle; - double cx; - double cy; -}; - -struct gg_svg_skew -{ -/* SVG Skew data */ - double angle; -}; - -struct gg_svg_transform -{ -/* SVG Transform (linked list) */ - int type; - void *data; - struct gg_svg_transform *next; -}; - -struct gg_svg_gradient_stop -{ -/* SVG Gradient Stop */ - char *id; - double offset; - double red; - double green; - double blue; - double opacity; - struct gg_svg_gradient_stop *next; -}; - -struct gg_svg_gradient -{ -/* SVG Gradient */ - int type; - char *id; - char *xlink_href; - int gradient_units; - double x1; - double y1; - double x2; - double y2; - double cx; - double cy; - double fx; - double fy; - double r; - struct gg_svg_gradient_stop *first_stop; - struct gg_svg_gradient_stop *last_stop; - struct gg_svg_transform *first_trans; - struct gg_svg_transform *last_trans; - struct gg_svg_gradient *prev; - struct gg_svg_gradient *next; -}; - -struct gg_svg_rect -{ -/* SVG Rect data */ - double x; - double y; - double width; - double height; - double rx; - double ry; -}; - -struct gg_svg_circle -{ -/* SVG Circle data */ - double cx; - double cy; - double r; -}; - -struct gg_svg_ellipse -{ -/* SVG Ellipse data */ - double cx; - double cy; - double rx; - double ry; -}; - -struct gg_svg_line -{ -/* SVG Line data */ - double x1; - double y1; - double x2; - double y2; -}; - -struct gg_svg_polyline -{ -/* SVG Polyline data */ - int points; - double *x; - double *y; -}; - -struct gg_svg_polygon -{ -/* SVG Polygon data */ - int points; - double *x; - double *y; -}; - -struct gg_svg_path_move -{ -/* SVG Path: MoveTo and LineTo data */ - double x; - double y; -}; - -struct gg_svg_path_bezier -{ -/* SVG Path: any Bezier Curve */ - double x1; - double y1; - double x2; - double y2; - double x; - double y; -}; - -struct gg_svg_path_ellipt_arc -{ -/* SVG Path: Elliptical Arc */ - double rx; - double ry; - double rotation; - int large_arc; - int sweep; - double x; - double y; -}; - -struct gg_svg_path_item -{ -/* SVG Path item (linked list) */ - int type; - void *data; - struct gg_svg_path_item *next; -}; - -struct gg_svg_path -{ -/* SVG Path */ - struct gg_svg_path_item *first; - struct gg_svg_path_item *last; - int error; -}; - -struct gg_svg_style -{ -/* SVG Style-related definitions */ - char visibility; - double opacity; - char fill; - char no_fill; - int fill_rule; - char *fill_url; - struct gg_svg_gradient *fill_pointer; - double fill_red; - double fill_green; - double fill_blue; - double fill_opacity; - char stroke; - char no_stroke; - double stroke_width; - int stroke_linecap; - int stroke_linejoin; - double stroke_miterlimit; - int stroke_dashitems; - double *stroke_dasharray; - double stroke_dashoffset; - char *stroke_url; - struct gg_svg_gradient *stroke_pointer; - double stroke_red; - double stroke_green; - double stroke_blue; - double stroke_opacity; - char *clip_url; - struct gg_svg_item *clip_pointer; -}; - -struct gg_svg_shape -{ -/* generic SVG shape container */ - char *id; - int type; - void *data; - struct gg_svg_group *parent; - struct gg_svg_style style; - struct gg_svg_transform *first_trans; - struct gg_svg_transform *last_trans; - int is_defs; - int is_flow_root; - struct gg_svg_shape *next; -}; - -struct gg_svg_use -{ -/* SVG Use (xlink:href) */ - char *xlink_href; - double x; - double y; - double width; - double height; - struct gg_svg_style style; - struct gg_svg_group *parent; - struct gg_svg_transform *first_trans; - struct gg_svg_transform *last_trans; - struct gg_svg_use *next; -}; - -struct gg_svg_item -{ -/* SVG generic item */ - int type; - void *pointer; - struct gg_svg_item *next; -}; - -struct gg_svg_group -{ -/* SVG group container: */ - char *id; - struct gg_svg_style style; - struct gg_svg_group *parent; - struct gg_svg_item *first; - struct gg_svg_item *last; - struct gg_svg_transform *first_trans; - struct gg_svg_transform *last_trans; - int is_defs; - int is_flow_root; - struct gg_svg_group *next; -}; - -struct gg_svg_clip -{ -/* SVG group container: */ - char *id; - struct gg_svg_item *first; - struct gg_svg_item *last; - struct gg_svg_clip *next; -}; - - -struct gg_svg_document -{ -/* SVG document main container */ - int signature; - cairo_matrix_t matrix; - double width; - double height; - double viewbox_x; - double viewbox_y; - double viewbox_width; - double viewbox_height; - struct gg_svg_item *first; - struct gg_svg_item *last; - struct gg_svg_gradient *first_grad; - struct gg_svg_gradient *last_grad; - struct gg_svg_group *current_group; - struct gg_svg_shape *current_shape; - struct gg_svg_clip *current_clip; - int defs_count; - int flow_root_count; -}; - -GGRAPH_PRIVATE gGraphColorRulePtr gg_color_rule_create (void); -GGRAPH_PRIVATE void gg_color_rule_destroy (gGraphColorRulePtr color_rule); -GGRAPH_PRIVATE gGraphColorMapPtr gg_color_map_create (void); -GGRAPH_PRIVATE void gg_color_map_destroy (gGraphColorMapPtr color_map); - -GGRAPH_PRIVATE gGraphShadedReliefTripleRowPtr -gg_shaded_relief_triple_row_create (void); -GGRAPH_PRIVATE void -gg_shaded_relief_triple_row_destroy (gGraphShadedReliefTripleRowPtr triple_row); - -GGRAPH_PRIVATE gGraphImageInfosPtr gg_image_infos_create (int pixel_format, - int width, int height, - int bits_per_sample, - int samples_per_pixel, - int sample_format, - const char *srs_name, - const char - *proj4text); -GGRAPH_PRIVATE void gg_image_infos_destroy (gGraphImageInfosPtr img); -GGRAPH_PRIVATE gGraphImagePtr gg_image_create (int pixel_format, int width, - int height, int bits_per_sample, - int samples_per_pixel, - int sample_format, - const char *srs_name, - const char *proj4text); -GGRAPH_PRIVATE gGraphImagePtr gg_image_create_from_bitmap (unsigned char - *bitmap, - int pixel_format, - int width, - int height, - int bits_per_sample, - int - samples_per_pixel, - int sample_format, - const char *srs_name, - const char - *proj4text); -GGRAPH_PRIVATE void gg_image_destroy (gGraphImagePtr img); -GGRAPH_PRIVATE gGraphStripImagePtr gg_strip_image_create (FILE * file_handle, - int codec_id, - int pixel_format, - int width, int height, - int bits_per_sample, - int samples_per_pixel, - int sample_format, - const char *srs_name, - const char - *proj4text); -GGRAPH_PRIVATE void gg_strip_image_destroy (gGraphStripImagePtr img); -GGRAPH_PRIVATE void gg_png_codec_destroy (void *p); -GGRAPH_PRIVATE void gg_jpeg_codec_destroy (void *p); -GGRAPH_PRIVATE void gg_tiff_codec_destroy (void *p); -GGRAPH_PRIVATE void gg_grid_codec_destroy (void *p); -GGRAPH_PRIVATE void gg_image_fill (const gGraphImagePtr img, unsigned char r, - unsigned char g, unsigned char b, - unsigned char alpha); -GGRAPH_PRIVATE unsigned char gg_match_palette (const gGraphImagePtr img, - unsigned char r, unsigned char g, - unsigned char b); -GGRAPH_PRIVATE int gg_set_image_transparent_color (unsigned char r, - unsigned char g, - unsigned char b); -GGRAPH_PRIVATE int gg_is_image_monochrome (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_is_image_monochrome_ready (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_is_image_grayscale (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_is_image_palette256 (const gGraphImagePtr img); - -GGRAPH_PRIVATE void gg_make_thumbnail (const gGraphImagePtr thumbnail, - const gGraphImagePtr image); -GGRAPH_PRIVATE void gg_image_resize (const gGraphImagePtr dst, - const gGraphImagePtr src); -GGRAPH_PRIVATE void gg_make_grid_thumbnail (const gGraphImagePtr thumbnail, - const gGraphImagePtr image); -GGRAPH_PRIVATE void gg_grid_resize (const gGraphImagePtr dst, - const gGraphImagePtr src); -GGRAPH_PRIVATE void gg_image_clone_georeferencing (const gGraphImagePtr dst, - const gGraphImagePtr src); -GGRAPH_PRIVATE void gg_image_sub_set (const gGraphImagePtr dst, - const gGraphImagePtr src, - int upper_left_x, int upper_left_y); - -GGRAPH_PRIVATE int gg_image_to_jpeg (const gGraphImagePtr img, void **mem_buf, - int *mem_buf_size, FILE * out, - int dest_type, int quality); -GGRAPH_PRIVATE int gg_image_prepare_to_jpeg_by_strip (const gGraphStripImagePtr - img, FILE * out, - int quality); -GGRAPH_PRIVATE int gg_image_write_to_jpeg_by_strip (const gGraphStripImagePtr - img, int *progress); -GGRAPH_PRIVATE int gg_image_to_png (const gGraphImagePtr img, void **mem_buf, - int *mem_buf_size, FILE * out, - int dest_type, int compression_level, - int quantization_factor, int interlaced, - int is_transparent); -GGRAPH_PRIVATE int gg_image_prepare_to_png_by_strip (const gGraphStripImagePtr - img, FILE * out, - int compression_level, - int quantization_factor); -GGRAPH_PRIVATE int gg_image_write_to_png_by_strip (const gGraphStripImagePtr - img, int *progress); -GGRAPH_PRIVATE int gg_image_to_gif (const gGraphImagePtr img, void **mem_buf, - int *mem_buf_size, FILE * out, - int dest_type, int is_transparent); -GGRAPH_PRIVATE int gg_image_write_to_bin_hdr_by_strip (const gGraphStripImagePtr - img, int *progress); -GGRAPH_PRIVATE int gg_image_write_to_flt_hdr_by_strip (const gGraphStripImagePtr - img, int *progress); -GGRAPH_PRIVATE int gg_image_write_to_ascii_grid_by_strip (const - gGraphStripImagePtr - img, int *progress); -GGRAPH_PRIVATE int gg_image_prepare_to_tiff_by_strip (const gGraphStripImagePtr - img, const char *path, - int layout, - int tile_width, - int tile_height, - int rows_per_strip, - int color_model, - int bits_per_sample, - int sample_format, - int num_palette, - unsigned char *red, - unsigned char *green, - unsigned char *blue, - int compression); -GGRAPH_PRIVATE int gg_image_prepare_to_geotiff_by_strip (const - gGraphStripImagePtr - img, const char *path, - int layout, - int tile_width, - int tile_height, - int rows_per_strip, - int color_model, - int bits_per_sample, - int sample_format, - int num_palette, - unsigned char *red, - unsigned char *green, - unsigned char *blue, - int compression); -GGRAPH_PRIVATE int gg_image_prepare_to_bin_hdr_by_strip (const - gGraphStripImagePtr - img); -GGRAPH_PRIVATE int gg_image_prepare_to_flt_hdr_by_strip (const - gGraphStripImagePtr - img); -GGRAPH_PRIVATE int gg_image_prepare_to_ascii_grid_by_strip (const - gGraphStripImagePtr - img, FILE * out); -GGRAPH_PRIVATE int gg_image_write_to_tiff_by_strip (const gGraphStripImagePtr - img, int *progress); - -GGRAPH_PRIVATE int gg_convert_image_to_rgb (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_convert_image_to_rgba (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_convert_image_to_argb (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_convert_image_to_bgr (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_convert_image_to_bgra (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_convert_image_to_grayscale (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_convert_image_to_palette (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_image_resample_as_palette (const gGraphImagePtr img, - int num_colors); -GGRAPH_PRIVATE int gg_convert_image_to_monochrome (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_convert_image_to_grid_int16 (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_convert_image_to_grid_uint16 (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_convert_image_to_grid_int32 (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_convert_image_to_grid_uint32 (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_convert_image_to_grid_float (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_convert_image_to_grid_double (const gGraphImagePtr img); - -GGRAPH_PRIVATE int gg_resample_transparent_rgb (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_resample_transparent_rgba (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_resample_transparent_grayscale (const gGraphImagePtr img); -GGRAPH_PRIVATE int gg_resample_transparent_palette (const gGraphImagePtr img); - -GGRAPH_PRIVATE int gg_image_from_raw (int size, const void *data, - gGraphImagePtr * image_handle); -GGRAPH_PRIVATE int gg_image_from_jpeg (int size, const void *data, - int source_type, - gGraphImagePtr * image_handle, - int scale); -GGRAPH_PRIVATE int gg_image_from_png (int size, const void *data, - int source_type, - gGraphImagePtr * image_handle, int scale); -GGRAPH_PRIVATE int gg_image_from_gif (int size, const void *data, - int source_type, - gGraphImagePtr * image_handle); -GGRAPH_PRIVATE int gg_image_from_mem_tiff (int size, const void *data, - gGraphImagePtr * image_handle); - -GGRAPH_PRIVATE int gg_image_strip_prepare_from_png (FILE * in, - gGraphStripImagePtr * - image_handle); -GGRAPH_PRIVATE int gg_image_strip_prepare_from_jpeg (FILE * in, - gGraphStripImagePtr * - image_handle); -GGRAPH_PRIVATE int gg_image_strip_prepare_from_jpeg (FILE * in, - gGraphStripImagePtr * - image_handle); -GGRAPH_PRIVATE int gg_image_strip_prepare_from_tiff (const char *path, - gGraphStripImagePtr * - image_handle); -GGRAPH_PRIVATE int gg_image_strip_prepare_from_geotiff (const char *path, - gGraphStripImagePtr * - image_handle); -GGRAPH_PRIVATE int gg_image_strip_prepare_from_hgt (FILE * in, int lon, int lat, - gGraphStripImagePtr * - image_handle); -GGRAPH_PRIVATE int gg_image_strip_prepare_from_bin_hdr (FILE * in, - const char *hdr_path, - gGraphStripImagePtr * - image_handle); -GGRAPH_PRIVATE int gg_image_strip_prepare_from_flt_hdr (FILE * in, - const char *hdr_path, - gGraphStripImagePtr * - image_handle); -GGRAPH_PRIVATE int gg_image_strip_prepare_from_dem_hdr (FILE * in, - const char *hdr_path, - gGraphStripImagePtr * - image_handle); -GGRAPH_PRIVATE int gg_image_strip_prepare_from_ascii_grid (FILE * in, - gGraphStripImagePtr * - image_handle); - -GGRAPH_PRIVATE int gg_image_strip_read_from_png (gGraphStripImagePtr - image_handle, int *progress); -GGRAPH_PRIVATE int gg_image_strip_read_from_jpeg (gGraphStripImagePtr - image_handle, int *progress); -GGRAPH_PRIVATE int gg_image_strip_read_from_tiff (gGraphStripImagePtr - image_handle, int *progress); -GGRAPH_PRIVATE int gg_image_strip_read_from_hgt (gGraphStripImagePtr - image_handle, int *progress); -GGRAPH_PRIVATE int gg_image_strip_read_from_bin_grid (gGraphStripImagePtr - image_handle, - int *progress); -GGRAPH_PRIVATE int gg_image_strip_read_from_dem_grid (gGraphStripImagePtr - image_handle, - int *progress); -GGRAPH_PRIVATE int gg_image_strip_read_from_ascii_grid (gGraphStripImagePtr - image_handle, - int *progress); - -GGRAPH_PRIVATE int gg_image_infos_from_jpeg (int size, const void *data, - int source_type, - gGraphImageInfosPtr * - infos_handle); -GGRAPH_PRIVATE int gg_image_infos_from_png (int size, const void *data, - int source_type, - gGraphImageInfosPtr * infos_handle); -GGRAPH_PRIVATE int gg_image_infos_from_gif (int size, const void *data, - int source_type, - gGraphImageInfosPtr * infos_handle); -GGRAPH_PRIVATE int gg_image_infos_from_mem_tiff (int size, const void *data, - gGraphImageInfosPtr * - infos_handle); -GGRAPH_PRIVATE int gg_image_infos_from_tiff (const char *path, - gGraphImageInfosPtr * - infos_handle); -GGRAPH_PRIVATE int gg_image_infos_from_geo_tiff (const char *path, - gGraphImageInfosPtr * - infos_handle); - -GGRAPH_PRIVATE int gg_endian_arch (void); -GGRAPH_PRIVATE short gg_import_int16 (const unsigned char *p, - int little_endian, - int little_endian_arch); -GGRAPH_PRIVATE int gg_import_int32 (const unsigned char *p, int little_endian, - int little_endian_arch); -GGRAPH_PRIVATE unsigned short gg_import_uint16 (const unsigned char *p, - int little_endian, - int little_endian_arch); -GGRAPH_PRIVATE unsigned int gg_import_uint32 (const unsigned char *p, - int little_endian, - int little_endian_arch); -GGRAPH_PRIVATE float gg_import_float (const unsigned char *p, int little_endian, - int little_endian_arch); -GGRAPH_PRIVATE double gg_import_double (const unsigned char *p, - int little_endian, - int little_endian_arch); - -GGRAPH_PRIVATE void gg_export_int16 (short value, unsigned char *p, - int little_endian, int little_endian_arch); -GGRAPH_PRIVATE void gg_export_int32 (int value, unsigned char *p, - int little_endian, int little_endian_arch); -GGRAPH_PRIVATE void gg_export_uint16 (unsigned short value, unsigned char *p, - int little_endian, - int little_endian_arch); -GGRAPH_PRIVATE void gg_export_uint32 (unsigned int value, unsigned char *p, - int little_endian, - int little_endian_arch); -GGRAPH_PRIVATE void gg_export_float (float value, unsigned char *p, - int little_endian, int little_endian_arch); -GGRAPH_PRIVATE void gg_export_double (double value, unsigned char *p, - int little_endian, - int little_endian_arch); - - -GGRAPH_PRIVATE struct gg_svg_transform *gg_svg_alloc_transform (int type, - void *data); -GGRAPH_PRIVATE void gg_svg_free_transform (struct gg_svg_transform *p); -GGRAPH_PRIVATE struct gg_svg_polyline *gg_svg_alloc_polyline (int points, - double *x, - double *y); -GGRAPH_PRIVATE void gg_svg_free_polyline (struct gg_svg_polyline *p); -GGRAPH_PRIVATE struct gg_svg_polygon *gg_svg_alloc_polygon (int points, - double *x, - double *y); -GGRAPH_PRIVATE void gg_svg_free_polygon (struct gg_svg_polygon *p); -GGRAPH_PRIVATE struct gg_svg_path_item *gg_svg_alloc_path_item (int type, - void *data); -GGRAPH_PRIVATE void gg_svg_free_path_item (struct gg_svg_path_item *p); -GGRAPH_PRIVATE struct gg_svg_path *gg_svg_alloc_path (void); -GGRAPH_PRIVATE void gg_svg_free_path (struct gg_svg_path *p); -GGRAPH_PRIVATE struct gg_svg_shape *gg_svg_alloc_shape (int type, void *data, - struct gg_svg_group - *parent); -GGRAPH_PRIVATE void gg_svg_free_shape (struct gg_svg_shape *p); -GGRAPH_PRIVATE void gg_svg_add_shape_id (struct gg_svg_shape *p, - const char *id); -GGRAPH_PRIVATE struct gg_svg_use *gg_svg_alloc_use (void *parent, - const char *xlink_href, - double x, double y, - double width, - double height); -GGRAPH_PRIVATE void gg_svg_free_use (struct gg_svg_use *p); -GGRAPH_PRIVATE struct gg_svg_group *gg_svg_alloc_group (void); -GGRAPH_PRIVATE void gg_svg_free_group (struct gg_svg_group *p); -GGRAPH_PRIVATE void gg_svg_add_group_id (struct gg_svg_group *p, - const char *id); -GGRAPH_PRIVATE struct gg_svg_clip *svg_alloc_clip (void); -GGRAPH_PRIVATE void gg_svg_free_clip (struct gg_svg_clip *p); -GGRAPH_PRIVATE void gg_svg_add_clip_id (struct gg_svg_clip *p, const char *id); -GGRAPH_PRIVATE struct gg_svg_gradient_stop *gg_svg_alloc_gradient_stop (double - offset, - double - red, - double - green, - double - blue, - double - opacity); -GGRAPH_PRIVATE struct gg_svg_gradient_stop *gg_svg_clone_gradient_stop (struct - gg_svg_gradient_stop - *in); -GGRAPH_PRIVATE void gg_svg_free_gradient_stop (struct gg_svg_gradient_stop *p); -GGRAPH_PRIVATE struct gg_svg_gradient *gg_svg_clone_gradient (struct - gg_svg_gradient - *in, - struct - gg_svg_gradient - *old); -GGRAPH_PRIVATE void gg_svg_free_gradient (struct gg_svg_gradient *p); -GGRAPH_PRIVATE struct gg_svg_document *gg_svg_alloc_document (void); -GGRAPH_PRIVATE void gg_svg_free_document (struct gg_svg_document *p); -GGRAPH_PRIVATE struct gg_svg_item *gg_svg_alloc_item (int type, void *pointer); -GGRAPH_PRIVATE struct gg_svg_matrix *gg_svg_alloc_matrix (double a, double b, - double c, double d, - double e, double f); -GGRAPH_PRIVATE struct gg_svg_translate *gg_svg_alloc_translate (double tx, - double ty); -GGRAPH_PRIVATE struct gg_svg_scale *gg_svg_alloc_scale (double sx, double sy); -GGRAPH_PRIVATE struct gg_svg_rotate *gg_svg_alloc_rotate (double angle, - double cx, double cy); -GGRAPH_PRIVATE struct gg_svg_skew *gg_svg_alloc_skew (double angle); -GGRAPH_PRIVATE struct gg_svg_rect *gg_svg_alloc_rect (double x, double y, - double width, - double height, double rx, - double ry); -GGRAPH_PRIVATE struct gg_svg_circle *gg_svg_alloc_circle (double cx, double cy, - double r); -GGRAPH_PRIVATE struct gg_svg_ellipse *gg_svg_alloc_ellipse (double cx, - double cy, - double rx, - double ry); -GGRAPH_PRIVATE struct gg_svg_line *gg_svg_alloc_line (double x1, double y1, - double x2, double y2); -GGRAPH_PRIVATE struct gg_svg_path_move *gg_svg_alloc_path_move (double x, - double y); -GGRAPH_PRIVATE struct gg_svg_path_bezier *gg_svg_alloc_path_bezier (double x1, - double y1, - double x2, - double y2, - double x, - double y); -GGRAPH_PRIVATE struct gg_svg_path_ellipt_arc - *gg_svg_alloc_path_ellipt_arc (double rx, double ry, double rotation, - int large_arc, int sweep, double x, - double y); - -GGRAPH_PRIVATE void gg_svg_add_path_item (struct gg_svg_path *path, int type, - void *data); -GGRAPH_PRIVATE void gg_svg_insert_shape (struct gg_svg_document *svg_doc, - int type, void *data); -GGRAPH_PRIVATE struct gg_svg_use *gg_svg_insert_use (struct gg_svg_document - *svg_doc, - const char *xlink_href, - double x, double y, - double width, - double height); -GGRAPH_PRIVATE void gg_svg_insert_group (struct gg_svg_document *svg_doc); -GGRAPH_PRIVATE void gg_svg_close_group (struct gg_svg_document *svg_doc); -GGRAPH_PRIVATE void gg_svg_insert_clip (struct gg_svg_document *svg_doc); -GGRAPH_PRIVATE void gg_svg_close_clip (struct gg_svg_document *svg_doc); -GGRAPH_PRIVATE struct gg_svg_gradient *gg_svg_insert_linear_gradient (struct - gg_svg_document - *svg_doc, - const char - *id, - const char - *xlink_href, - double x1, - double y1, - double x2, - double y2, - int - units); -GGRAPH_PRIVATE void gg_svg_insert_gradient_stop (struct gg_svg_gradient - *gradient, double offset, - double red, double green, - double blue, double opacity); -GGRAPH_PRIVATE struct gg_svg_gradient *gg_svg_insert_radial_gradient (struct - gg_svg_document - *svg_doc, - const char - *id, - const char - *xlink_href, - double cx, - double cy, - double fx, - double fy, - double r, - int - units); - -GGRAPH_PRIVATE struct gg_svg_document *gg_svg_parse_doc (const unsigned char - *svg, int svg_len); - -GGRAPH_PRIVATE struct gg_svg_shape *gg_svg_clone_shape (struct gg_svg_shape *in, - struct gg_svg_use *use); -GGRAPH_PRIVATE struct gg_svg_group *gg_svg_clone_group (struct gg_svg_group *in, - struct gg_svg_use *use); -GGRAPH_PRIVATE struct gg_svg_clip *gg_svg_clone_clip (struct gg_svg_clip *in); -GGRAPH_PRIVATE void gg_svg_set_group_parent (struct gg_svg_item *item, - struct gg_svg_group *group); -GGRAPH_PRIVATE struct gg_svg_item *gg_svg_clone_item (struct gg_svg_item *in); -GGRAPH_PRIVATE void gg_svg_add_fill_gradient_url (struct gg_svg_style *style, - const char *url); -GGRAPH_PRIVATE void gg_svg_add_stroke_gradient_url (struct gg_svg_style *style, - const char *url); -GGRAPH_PRIVATE void gg_svg_add_clip_url (struct gg_svg_style *style, - const char *url); - -/* -/ -/ DISCLAIMER: -/ all the following code merely represents an 'ad hoc' adaption -/ deriving from the original GD lib code [BSD-like licensed] -/ -*/ - -#define XGD_CTX_FREE 300 -#define XGD_CTX_DONT_FREE 400 - -typedef struct xgdIOCtx -{ - int (*getC) (struct xgdIOCtx *); - int (*getBuf) (struct xgdIOCtx *, void *, int); - void (*putC) (struct xgdIOCtx *, int); - int (*putBuf) (struct xgdIOCtx *, const void *, int); - int (*seek) (struct xgdIOCtx *, const int); - long (*tell) (struct xgdIOCtx *); - void (*xgd_free) (struct xgdIOCtx *); -} -xgdIOCtx; - -typedef struct xgdIOCtx *xgdIOCtxPtr; - -typedef struct dpStruct -{ - FILE *file; - void *data; - int logicalSize; - int realSize; - int dataGood; - int pos; - int freeOK; -} -dynamicPtr; - -typedef struct dpIOCtx -{ - xgdIOCtx ctx; - dynamicPtr *dp; -} -dpIOCtx; - -typedef struct dpIOCtx *dpIOCtxPtr; - -GGRAPH_PRIVATE int overflow2 (int a, int b); -GGRAPH_PRIVATE void *xgdDPExtractData (struct xgdIOCtx *ctx, int *size); -GGRAPH_PRIVATE xgdIOCtx *xgdNewDynamicCtx (int initialSize, const void *data, - int mem_or_file); -GGRAPH_PRIVATE xgdIOCtx *xgdNewDynamicCtxEx (int initialSize, const void *data, - int freeOKFlag, int mem_or_file); -GGRAPH_PRIVATE int xgdPutBuf (const void *buf, int size, xgdIOCtx * ctx); -GGRAPH_PRIVATE int xgdGetBuf (void *, int, xgdIOCtx *); DELETED install-sh Index: install-sh ================================================================== --- install-sh +++ install-sh @@ -1,527 +0,0 @@ -#!/bin/sh -# install - install a program, script, or datafile - -scriptversion=2011-01-19.21; # UTC - -# This originates from X11R5 (mit/util/scripts/install.sh), which was -# later released in X11R6 (xc/config/util/install.sh) with the -# following copyright and license. -# -# Copyright (C) 1994 X Consortium -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to -# deal in the Software without restriction, including without limitation the -# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or -# sell copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in -# all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- -# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -# -# Except as contained in this notice, the name of the X Consortium shall not -# be used in advertising or otherwise to promote the sale, use or other deal- -# ings in this Software without prior written authorization from the X Consor- -# tium. -# -# -# FSF changes to this file are in the public domain. -# -# Calling this script install-sh is preferred over install.sh, to prevent -# `make' implicit rules from creating a file called install from it -# when there is no Makefile. -# -# This script is compatible with the BSD install script, but was written -# from scratch. - -nl=' -' -IFS=" "" $nl" - -# set DOITPROG to echo to test this script - -# Don't use :- since 4.3BSD and earlier shells don't like it. -doit=${DOITPROG-} -if test -z "$doit"; then - doit_exec=exec -else - doit_exec=$doit -fi - -# Put in absolute file names if you don't have them in your path; -# or use environment vars. - -chgrpprog=${CHGRPPROG-chgrp} -chmodprog=${CHMODPROG-chmod} -chownprog=${CHOWNPROG-chown} -cmpprog=${CMPPROG-cmp} -cpprog=${CPPROG-cp} -mkdirprog=${MKDIRPROG-mkdir} -mvprog=${MVPROG-mv} -rmprog=${RMPROG-rm} -stripprog=${STRIPPROG-strip} - -posix_glob='?' -initialize_posix_glob=' - test "$posix_glob" != "?" || { - if (set -f) 2>/dev/null; then - posix_glob= - else - posix_glob=: - fi - } -' - -posix_mkdir= - -# Desired mode of installed file. -mode=0755 - -chgrpcmd= -chmodcmd=$chmodprog -chowncmd= -mvcmd=$mvprog -rmcmd="$rmprog -f" -stripcmd= - -src= -dst= -dir_arg= -dst_arg= - -copy_on_change=false -no_target_directory= - -usage="\ -Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE - or: $0 [OPTION]... SRCFILES... DIRECTORY - or: $0 [OPTION]... -t DIRECTORY SRCFILES... - or: $0 [OPTION]... -d DIRECTORIES... - -In the 1st form, copy SRCFILE to DSTFILE. -In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. -In the 4th, create DIRECTORIES. - -Options: - --help display this help and exit. - --version display version info and exit. - - -c (ignored) - -C install only if different (preserve the last data modification time) - -d create directories instead of installing files. - -g GROUP $chgrpprog installed files to GROUP. - -m MODE $chmodprog installed files to MODE. - -o USER $chownprog installed files to USER. - -s $stripprog installed files. - -t DIRECTORY install into DIRECTORY. - -T report an error if DSTFILE is a directory. - -Environment variables override the default commands: - CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG - RMPROG STRIPPROG -" - -while test $# -ne 0; do - case $1 in - -c) ;; - - -C) copy_on_change=true;; - - -d) dir_arg=true;; - - -g) chgrpcmd="$chgrpprog $2" - shift;; - - --help) echo "$usage"; exit $?;; - - -m) mode=$2 - case $mode in - *' '* | *' '* | *' -'* | *'*'* | *'?'* | *'['*) - echo "$0: invalid mode: $mode" >&2 - exit 1;; - esac - shift;; - - -o) chowncmd="$chownprog $2" - shift;; - - -s) stripcmd=$stripprog;; - - -t) dst_arg=$2 - # Protect names problematic for `test' and other utilities. - case $dst_arg in - -* | [=\(\)!]) dst_arg=./$dst_arg;; - esac - shift;; - - -T) no_target_directory=true;; - - --version) echo "$0 $scriptversion"; exit $?;; - - --) shift - break;; - - -*) echo "$0: invalid option: $1" >&2 - exit 1;; - - *) break;; - esac - shift -done - -if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then - # When -d is used, all remaining arguments are directories to create. - # When -t is used, the destination is already specified. - # Otherwise, the last argument is the destination. 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If we want to - # ignore errors from any of these, just make sure not to ignore - # errors from the above "$doit $cpprog $src $dsttmp" command. - # - { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && - { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && - { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && - { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && - - # If -C, don't bother to copy if it wouldn't change the file. - if $copy_on_change && - old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && - new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && - - eval "$initialize_posix_glob" && - $posix_glob set -f && - set X $old && old=:$2:$4:$5:$6 && - set X $new && new=:$2:$4:$5:$6 && - $posix_glob set +f && - - test "$old" = "$new" && - $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 - then - rm -f "$dsttmp" - else - # Rename the file to the real destination. - $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || - - # The rename failed, perhaps because mv can't rename something else - # to itself, or perhaps because mv is so ancient that it does not - # support -f. - { - # Now remove or move aside any old file at destination location. - # We try this two ways since rm can't unlink itself on some - # systems and the destination file might be busy for other - # reasons. In this case, the final cleanup might fail but the new - # file should still install successfully. - { - test ! -f "$dst" || - $doit $rmcmd -f "$dst" 2>/dev/null || - { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && - { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } - } || - { echo "$0: cannot unlink or rename $dst" >&2 - (exit 1); exit 1 - } - } && - - # Now rename the file to the real destination. - $doit $mvcmd "$dsttmp" "$dst" - } - fi || exit 1 - - trap '' 0 - fi -done - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-time-zone: "UTC" -# time-stamp-end: "; # UTC" -# End: DELETED ltmain.sh Index: ltmain.sh ================================================================== --- ltmain.sh +++ ltmain.sh @@ -1,9655 +0,0 @@ - -# libtool (GNU libtool) 2.4.2 -# Written by Gordon Matzigkeit , 1996 - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, -# 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. -# This is free software; see the source for copying conditions. There is NO -# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - -# GNU Libtool is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# As a special exception to the GNU General Public License, -# if you distribute this file as part of a program or library that -# is built using GNU Libtool, you may include this file under the -# same distribution terms that you use for the rest of that program. -# -# GNU Libtool is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU Libtool; see the file COPYING. If not, a copy -# can be downloaded from http://www.gnu.org/licenses/gpl.html, -# or obtained by writing to the Free Software Foundation, Inc., -# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - -# Usage: $progname [OPTION]... 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When passed as first option, -# `--mode=MODE' may be abbreviated as `MODE' or a unique abbreviation of that. -# Try `$progname --help --mode=MODE' for a more detailed description of MODE. -# -# When reporting a bug, please describe a test case to reproduce it and -# include the following information: -# -# host-triplet: $host -# shell: $SHELL -# compiler: $LTCC -# compiler flags: $LTCFLAGS -# linker: $LD (gnu? $with_gnu_ld) -# $progname: (GNU libtool) 2.4.2 -# automake: $automake_version -# autoconf: $autoconf_version -# -# Report bugs to . -# GNU libtool home page: . -# General help using GNU software: . - -PROGRAM=libtool -PACKAGE=libtool -VERSION=2.4.2 -TIMESTAMP="" -package_revision=1.3337 - -# Be Bourne compatible -if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then - emulate sh - NULLCMD=: - # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which - # is contrary to our usage. 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This prevents here-documents from being -# left over by shells. -exec_cmd= - -# func_append var value -# Append VALUE to the end of shell variable VAR. -func_append () -{ - eval "${1}=\$${1}\${2}" -} # func_append may be replaced by extended shell implementation - -# func_append_quoted var value -# Quote VALUE and append to the end of shell variable VAR, separated -# by a space. -func_append_quoted () -{ - func_quote_for_eval "${2}" - eval "${1}=\$${1}\\ \$func_quote_for_eval_result" -} # func_append_quoted may be replaced by extended shell implementation - - -# func_arith arithmetic-term... -func_arith () -{ - func_arith_result=`expr "${@}"` -} # func_arith may be replaced by extended shell implementation - - -# func_len string -# STRING may not start with a hyphen. -func_len () -{ - func_len_result=`expr "${1}" : ".*" 2>/dev/null || echo $max_cmd_len` -} # func_len may be replaced by extended shell implementation - - -# func_lo2o object -func_lo2o () -{ - func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"` -} # func_lo2o may be replaced by extended shell implementation - - -# func_xform libobj-or-source -func_xform () -{ - func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'` -} # func_xform may be replaced by extended shell implementation - - -# func_fatal_configuration arg... -# Echo program name prefixed message to standard error, followed by -# a configuration failure hint, and exit. -func_fatal_configuration () -{ - func_error ${1+"$@"} - func_error "See the $PACKAGE documentation for more information." - func_fatal_error "Fatal configuration error." -} - - -# func_config -# Display the configuration for all the tags in this script. -func_config () -{ - re_begincf='^# ### BEGIN LIBTOOL' - re_endcf='^# ### END LIBTOOL' - - # Default configuration. - $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" - - # Now print the configurations for the tags. - for tagname in $taglist; do - $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" - done - - exit $? -} - -# func_features -# Display the features supported by this script. -func_features () -{ - echo "host: $host" - if test "$build_libtool_libs" = yes; then - echo "enable shared libraries" - else - echo "disable shared libraries" - fi - if test "$build_old_libs" = yes; then - echo "enable static libraries" - else - echo "disable static libraries" - fi - - exit $? -} - -# func_enable_tag tagname -# Verify that TAGNAME is valid, and either flag an error and exit, or -# enable the TAGNAME tag. We also add TAGNAME to the global $taglist -# variable here. -func_enable_tag () -{ - # Global variable: - tagname="$1" - - re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" - re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" - sed_extractcf="/$re_begincf/,/$re_endcf/p" - - # Validate tagname. - case $tagname in - *[!-_A-Za-z0-9,/]*) - func_fatal_error "invalid tag name: $tagname" - ;; - esac - - # Don't test for the "default" C tag, as we know it's - # there but not specially marked. - case $tagname in - CC) ;; - *) - if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then - taglist="$taglist $tagname" - - # Evaluate the configuration. Be careful to quote the path - # and the sed script, to avoid splitting on whitespace, but - # also don't use non-portable quotes within backquotes within - # quotes we have to do it in 2 steps: - extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` - eval "$extractedcf" - else - func_error "ignoring unknown tag $tagname" - fi - ;; - esac -} - -# func_check_version_match -# Ensure that we are using m4 macros, and libtool script from the same -# release of libtool. -func_check_version_match () -{ - if test "$package_revision" != "$macro_revision"; then - if test "$VERSION" != "$macro_version"; then - if test -z "$macro_version"; then - cat >&2 <<_LT_EOF -$progname: Version mismatch error. This is $PACKAGE $VERSION, but the -$progname: definition of this LT_INIT comes from an older release. -$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION -$progname: and run autoconf again. -_LT_EOF - else - cat >&2 <<_LT_EOF -$progname: Version mismatch error. This is $PACKAGE $VERSION, but the -$progname: definition of this LT_INIT comes from $PACKAGE $macro_version. -$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION -$progname: and run autoconf again. -_LT_EOF - fi - else - cat >&2 <<_LT_EOF -$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, -$progname: but the definition of this LT_INIT comes from revision $macro_revision. -$progname: You should recreate aclocal.m4 with macros from revision $package_revision -$progname: of $PACKAGE $VERSION and run autoconf again. -_LT_EOF - fi - - exit $EXIT_MISMATCH - fi -} - - -# Shorthand for --mode=foo, only valid as the first argument -case $1 in -clean|clea|cle|cl) - shift; set dummy --mode clean ${1+"$@"}; shift - ;; -compile|compil|compi|comp|com|co|c) - shift; set dummy --mode compile ${1+"$@"}; shift - ;; -execute|execut|execu|exec|exe|ex|e) - shift; set dummy --mode execute ${1+"$@"}; shift - ;; -finish|finis|fini|fin|fi|f) - shift; set dummy --mode finish ${1+"$@"}; shift - ;; -install|instal|insta|inst|ins|in|i) - shift; set dummy --mode install ${1+"$@"}; shift - ;; -link|lin|li|l) - shift; set dummy --mode link ${1+"$@"}; shift - ;; -uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) - shift; set dummy --mode uninstall ${1+"$@"}; shift - ;; -esac - - - -# Option defaults: -opt_debug=: -opt_dry_run=false -opt_config=false -opt_preserve_dup_deps=false -opt_features=false -opt_finish=false -opt_help=false -opt_help_all=false -opt_silent=: -opt_warning=: -opt_verbose=: -opt_silent=false -opt_verbose=false - - -# Parse options once, thoroughly. This comes as soon as possible in the -# script to make things like `--version' happen as quickly as we can. -{ - # this just eases exit handling - while test $# -gt 0; do - opt="$1" - shift - case $opt in - --debug|-x) opt_debug='set -x' - func_echo "enabling shell trace mode" - $opt_debug - ;; - --dry-run|--dryrun|-n) - opt_dry_run=: - ;; - --config) - opt_config=: -func_config - ;; - --dlopen|-dlopen) - optarg="$1" - opt_dlopen="${opt_dlopen+$opt_dlopen -}$optarg" - shift - ;; - --preserve-dup-deps) - opt_preserve_dup_deps=: - ;; - --features) - opt_features=: -func_features - ;; - --finish) - opt_finish=: -set dummy --mode finish ${1+"$@"}; shift - ;; - --help) - opt_help=: - ;; - --help-all) - opt_help_all=: -opt_help=': help-all' - ;; - --mode) - test $# = 0 && func_missing_arg $opt && break - optarg="$1" - opt_mode="$optarg" -case $optarg in - # Valid mode arguments: - clean|compile|execute|finish|install|link|relink|uninstall) ;; - - # Catch anything else as an error - *) func_error "invalid argument for $opt" - exit_cmd=exit - break - ;; -esac - shift - ;; - --no-silent|--no-quiet) - opt_silent=false -func_append preserve_args " $opt" - ;; - --no-warning|--no-warn) - opt_warning=false -func_append preserve_args " $opt" - ;; - --no-verbose) - opt_verbose=false -func_append preserve_args " $opt" - ;; - --silent|--quiet) - opt_silent=: -func_append preserve_args " $opt" - opt_verbose=false - ;; - --verbose|-v) - opt_verbose=: -func_append preserve_args " $opt" -opt_silent=false - ;; - --tag) - test $# = 0 && func_missing_arg $opt && break - optarg="$1" - opt_tag="$optarg" -func_append preserve_args " $opt $optarg" -func_enable_tag "$optarg" - shift - ;; - - -\?|-h) func_usage ;; - --help) func_help ;; - --version) func_version ;; - - # Separate optargs to long options: - --*=*) - func_split_long_opt "$opt" - set dummy "$func_split_long_opt_name" "$func_split_long_opt_arg" ${1+"$@"} - shift - ;; - - # Separate non-argument short options: - -\?*|-h*|-n*|-v*) - func_split_short_opt "$opt" - set dummy "$func_split_short_opt_name" "-$func_split_short_opt_arg" ${1+"$@"} - shift - ;; - - --) break ;; - -*) func_fatal_help "unrecognized option \`$opt'" ;; - *) set dummy "$opt" ${1+"$@"}; shift; break ;; - esac - done - - # Validate options: - - # save first non-option argument - if test "$#" -gt 0; then - nonopt="$opt" - shift - fi - - # preserve --debug - test "$opt_debug" = : || func_append preserve_args " --debug" - - case $host in - *cygwin* | *mingw* | *pw32* | *cegcc*) - # don't eliminate duplications in $postdeps and $predeps - opt_duplicate_compiler_generated_deps=: - ;; - *) - opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps - ;; - esac - - $opt_help || { - # Sanity checks first: - func_check_version_match - - if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then - func_fatal_configuration "not configured to build any kind of library" - fi - - # Darwin sucks - eval std_shrext=\"$shrext_cmds\" - - # Only execute mode is allowed to have -dlopen flags. - if test -n "$opt_dlopen" && test "$opt_mode" != execute; then - func_error "unrecognized option \`-dlopen'" - $ECHO "$help" 1>&2 - exit $EXIT_FAILURE - fi - - # Change the help message to a mode-specific one. - generic_help="$help" - help="Try \`$progname --help --mode=$opt_mode' for more information." - } - - - # Bail if the options were screwed - $exit_cmd $EXIT_FAILURE -} - - - - -## ----------- ## -## Main. ## -## ----------- ## - -# func_lalib_p file -# True iff FILE is a libtool `.la' library or `.lo' object file. -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_lalib_p () -{ - test -f "$1" && - $SED -e 4q "$1" 2>/dev/null \ - | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 -} - -# func_lalib_unsafe_p file -# True iff FILE is a libtool `.la' library or `.lo' object file. -# This function implements the same check as func_lalib_p without -# resorting to external programs. To this end, it redirects stdin and -# closes it afterwards, without saving the original file descriptor. -# As a safety measure, use it only where a negative result would be -# fatal anyway. Works if `file' does not exist. -func_lalib_unsafe_p () -{ - lalib_p=no - if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then - for lalib_p_l in 1 2 3 4 - do - read lalib_p_line - case "$lalib_p_line" in - \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; - esac - done - exec 0<&5 5<&- - fi - test "$lalib_p" = yes -} - -# func_ltwrapper_script_p file -# True iff FILE is a libtool wrapper script -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_ltwrapper_script_p () -{ - func_lalib_p "$1" -} - -# func_ltwrapper_executable_p file -# True iff FILE is a libtool wrapper executable -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_ltwrapper_executable_p () -{ - func_ltwrapper_exec_suffix= - case $1 in - *.exe) ;; - *) func_ltwrapper_exec_suffix=.exe ;; - esac - $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 -} - -# func_ltwrapper_scriptname file -# Assumes file is an ltwrapper_executable -# uses $file to determine the appropriate filename for a -# temporary ltwrapper_script. -func_ltwrapper_scriptname () -{ - func_dirname_and_basename "$1" "" "." - func_stripname '' '.exe' "$func_basename_result" - func_ltwrapper_scriptname_result="$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper" -} - -# func_ltwrapper_p file -# True iff FILE is a libtool wrapper script or wrapper executable -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_ltwrapper_p () -{ - func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" -} - - -# func_execute_cmds commands fail_cmd -# Execute tilde-delimited COMMANDS. -# If FAIL_CMD is given, eval that upon failure. -# FAIL_CMD may read-access the current command in variable CMD! -func_execute_cmds () -{ - $opt_debug - save_ifs=$IFS; IFS='~' - for cmd in $1; do - IFS=$save_ifs - eval cmd=\"$cmd\" - func_show_eval "$cmd" "${2-:}" - done - IFS=$save_ifs -} - - -# func_source file -# Source FILE, adding directory component if necessary. -# Note that it is not necessary on cygwin/mingw to append a dot to -# FILE even if both FILE and FILE.exe exist: automatic-append-.exe -# behavior happens only for exec(3), not for open(2)! Also, sourcing -# `FILE.' does not work on cygwin managed mounts. -func_source () -{ - $opt_debug - case $1 in - */* | *\\*) . "$1" ;; - *) . "./$1" ;; - esac -} - - -# func_resolve_sysroot PATH -# Replace a leading = in PATH with a sysroot. Store the result into -# func_resolve_sysroot_result -func_resolve_sysroot () -{ - func_resolve_sysroot_result=$1 - case $func_resolve_sysroot_result in - =*) - func_stripname '=' '' "$func_resolve_sysroot_result" - func_resolve_sysroot_result=$lt_sysroot$func_stripname_result - ;; - esac -} - -# func_replace_sysroot PATH -# If PATH begins with the sysroot, replace it with = and -# store the result into func_replace_sysroot_result. -func_replace_sysroot () -{ - case "$lt_sysroot:$1" in - ?*:"$lt_sysroot"*) - func_stripname "$lt_sysroot" '' "$1" - func_replace_sysroot_result="=$func_stripname_result" - ;; - *) - # Including no sysroot. - func_replace_sysroot_result=$1 - ;; - esac -} - -# func_infer_tag arg -# Infer tagged configuration to use if any are available and -# if one wasn't chosen via the "--tag" command line option. -# Only attempt this if the compiler in the base compile -# command doesn't match the default compiler. -# arg is usually of the form 'gcc ...' -func_infer_tag () -{ - $opt_debug - if test -n "$available_tags" && test -z "$tagname"; then - CC_quoted= - for arg in $CC; do - func_append_quoted CC_quoted "$arg" - done - CC_expanded=`func_echo_all $CC` - CC_quoted_expanded=`func_echo_all $CC_quoted` - case $@ in - # Blanks in the command may have been stripped by the calling shell, - # but not from the CC environment variable when configure was run. - " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ - " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; - # Blanks at the start of $base_compile will cause this to fail - # if we don't check for them as well. - *) - for z in $available_tags; do - if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then - # Evaluate the configuration. - eval "`${SED} -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" - CC_quoted= - for arg in $CC; do - # Double-quote args containing other shell metacharacters. - func_append_quoted CC_quoted "$arg" - done - CC_expanded=`func_echo_all $CC` - CC_quoted_expanded=`func_echo_all $CC_quoted` - case "$@ " in - " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ - " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) - # The compiler in the base compile command matches - # the one in the tagged configuration. - # Assume this is the tagged configuration we want. - tagname=$z - break - ;; - esac - fi - done - # If $tagname still isn't set, then no tagged configuration - # was found and let the user know that the "--tag" command - # line option must be used. - if test -z "$tagname"; then - func_echo "unable to infer tagged configuration" - func_fatal_error "specify a tag with \`--tag'" -# else -# func_verbose "using $tagname tagged configuration" - fi - ;; - esac - fi -} - - - -# func_write_libtool_object output_name pic_name nonpic_name -# Create a libtool object file (analogous to a ".la" file), -# but don't create it if we're doing a dry run. -func_write_libtool_object () -{ - write_libobj=${1} - if test "$build_libtool_libs" = yes; then - write_lobj=\'${2}\' - else - write_lobj=none - fi - - if test "$build_old_libs" = yes; then - write_oldobj=\'${3}\' - else - write_oldobj=none - fi - - $opt_dry_run || { - cat >${write_libobj}T </dev/null` - if test "$?" -eq 0 && test -n "${func_convert_core_file_wine_to_w32_tmp}"; then - func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | - $SED -e "$lt_sed_naive_backslashify"` - else - func_convert_core_file_wine_to_w32_result= - fi - fi -} -# end: func_convert_core_file_wine_to_w32 - - -# func_convert_core_path_wine_to_w32 ARG -# Helper function used by path conversion functions when $build is *nix, and -# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly -# configured wine environment available, with the winepath program in $build's -# $PATH. Assumes ARG has no leading or trailing path separator characters. -# -# ARG is path to be converted from $build format to win32. -# Result is available in $func_convert_core_path_wine_to_w32_result. -# Unconvertible file (directory) names in ARG are skipped; if no directory names -# are convertible, then the result may be empty. -func_convert_core_path_wine_to_w32 () -{ - $opt_debug - # unfortunately, winepath doesn't convert paths, only file names - func_convert_core_path_wine_to_w32_result="" - if test -n "$1"; then - oldIFS=$IFS - IFS=: - for func_convert_core_path_wine_to_w32_f in $1; do - IFS=$oldIFS - func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" - if test -n "$func_convert_core_file_wine_to_w32_result" ; then - if test -z "$func_convert_core_path_wine_to_w32_result"; then - func_convert_core_path_wine_to_w32_result="$func_convert_core_file_wine_to_w32_result" - else - func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" - fi - fi - done - IFS=$oldIFS - fi -} -# end: func_convert_core_path_wine_to_w32 - - -# func_cygpath ARGS... -# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when -# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) -# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or -# (2), returns the Cygwin file name or path in func_cygpath_result (input -# file name or path is assumed to be in w32 format, as previously converted -# from $build's *nix or MSYS format). In case (3), returns the w32 file name -# or path in func_cygpath_result (input file name or path is assumed to be in -# Cygwin format). Returns an empty string on error. -# -# ARGS are passed to cygpath, with the last one being the file name or path to -# be converted. -# -# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH -# environment variable; do not put it in $PATH. -func_cygpath () -{ - $opt_debug - if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then - func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` - if test "$?" -ne 0; then - # on failure, ensure result is empty - func_cygpath_result= - fi - else - func_cygpath_result= - func_error "LT_CYGPATH is empty or specifies non-existent file: \`$LT_CYGPATH'" - fi -} -#end: func_cygpath - - -# func_convert_core_msys_to_w32 ARG -# Convert file name or path ARG from MSYS format to w32 format. Return -# result in func_convert_core_msys_to_w32_result. -func_convert_core_msys_to_w32 () -{ - $opt_debug - # awkward: cmd appends spaces to result - func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | - $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"` -} -#end: func_convert_core_msys_to_w32 - - -# func_convert_file_check ARG1 ARG2 -# Verify that ARG1 (a file name in $build format) was converted to $host -# format in ARG2. Otherwise, emit an error message, but continue (resetting -# func_to_host_file_result to ARG1). -func_convert_file_check () -{ - $opt_debug - if test -z "$2" && test -n "$1" ; then - func_error "Could not determine host file name corresponding to" - func_error " \`$1'" - func_error "Continuing, but uninstalled executables may not work." - # Fallback: - func_to_host_file_result="$1" - fi -} -# end func_convert_file_check - - -# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH -# Verify that FROM_PATH (a path in $build format) was converted to $host -# format in TO_PATH. Otherwise, emit an error message, but continue, resetting -# func_to_host_file_result to a simplistic fallback value (see below). -func_convert_path_check () -{ - $opt_debug - if test -z "$4" && test -n "$3"; then - func_error "Could not determine the host path corresponding to" - func_error " \`$3'" - func_error "Continuing, but uninstalled executables may not work." - # Fallback. This is a deliberately simplistic "conversion" and - # should not be "improved". See libtool.info. - if test "x$1" != "x$2"; then - lt_replace_pathsep_chars="s|$1|$2|g" - func_to_host_path_result=`echo "$3" | - $SED -e "$lt_replace_pathsep_chars"` - else - func_to_host_path_result="$3" - fi - fi -} -# end func_convert_path_check - - -# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG -# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT -# and appending REPL if ORIG matches BACKPAT. -func_convert_path_front_back_pathsep () -{ - $opt_debug - case $4 in - $1 ) func_to_host_path_result="$3$func_to_host_path_result" - ;; - esac - case $4 in - $2 ) func_append func_to_host_path_result "$3" - ;; - esac -} -# end func_convert_path_front_back_pathsep - - -################################################## -# $build to $host FILE NAME CONVERSION FUNCTIONS # -################################################## -# invoked via `$to_host_file_cmd ARG' -# -# In each case, ARG is the path to be converted from $build to $host format. -# Result will be available in $func_to_host_file_result. - - -# func_to_host_file ARG -# Converts the file name ARG from $build format to $host format. Return result -# in func_to_host_file_result. -func_to_host_file () -{ - $opt_debug - $to_host_file_cmd "$1" -} -# end func_to_host_file - - -# func_to_tool_file ARG LAZY -# converts the file name ARG from $build format to toolchain format. Return -# result in func_to_tool_file_result. If the conversion in use is listed -# in (the comma separated) LAZY, no conversion takes place. -func_to_tool_file () -{ - $opt_debug - case ,$2, in - *,"$to_tool_file_cmd",*) - func_to_tool_file_result=$1 - ;; - *) - $to_tool_file_cmd "$1" - func_to_tool_file_result=$func_to_host_file_result - ;; - esac -} -# end func_to_tool_file - - -# func_convert_file_noop ARG -# Copy ARG to func_to_host_file_result. -func_convert_file_noop () -{ - func_to_host_file_result="$1" -} -# end func_convert_file_noop - - -# func_convert_file_msys_to_w32 ARG -# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic -# conversion to w32 is not available inside the cwrapper. Returns result in -# func_to_host_file_result. -func_convert_file_msys_to_w32 () -{ - $opt_debug - func_to_host_file_result="$1" - if test -n "$1"; then - func_convert_core_msys_to_w32 "$1" - func_to_host_file_result="$func_convert_core_msys_to_w32_result" - fi - func_convert_file_check "$1" "$func_to_host_file_result" -} -# end func_convert_file_msys_to_w32 - - -# func_convert_file_cygwin_to_w32 ARG -# Convert file name ARG from Cygwin to w32 format. Returns result in -# func_to_host_file_result. -func_convert_file_cygwin_to_w32 () -{ - $opt_debug - func_to_host_file_result="$1" - if test -n "$1"; then - # because $build is cygwin, we call "the" cygpath in $PATH; no need to use - # LT_CYGPATH in this case. - func_to_host_file_result=`cygpath -m "$1"` - fi - func_convert_file_check "$1" "$func_to_host_file_result" -} -# end func_convert_file_cygwin_to_w32 - - -# func_convert_file_nix_to_w32 ARG -# Convert file name ARG from *nix to w32 format. Requires a wine environment -# and a working winepath. Returns result in func_to_host_file_result. -func_convert_file_nix_to_w32 () -{ - $opt_debug - func_to_host_file_result="$1" - if test -n "$1"; then - func_convert_core_file_wine_to_w32 "$1" - func_to_host_file_result="$func_convert_core_file_wine_to_w32_result" - fi - func_convert_file_check "$1" "$func_to_host_file_result" -} -# end func_convert_file_nix_to_w32 - - -# func_convert_file_msys_to_cygwin ARG -# Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. -# Returns result in func_to_host_file_result. -func_convert_file_msys_to_cygwin () -{ - $opt_debug - func_to_host_file_result="$1" - if test -n "$1"; then - func_convert_core_msys_to_w32 "$1" - func_cygpath -u "$func_convert_core_msys_to_w32_result" - func_to_host_file_result="$func_cygpath_result" - fi - func_convert_file_check "$1" "$func_to_host_file_result" -} -# end func_convert_file_msys_to_cygwin - - -# func_convert_file_nix_to_cygwin ARG -# Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed -# in a wine environment, working winepath, and LT_CYGPATH set. Returns result -# in func_to_host_file_result. -func_convert_file_nix_to_cygwin () -{ - $opt_debug - func_to_host_file_result="$1" - if test -n "$1"; then - # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. - func_convert_core_file_wine_to_w32 "$1" - func_cygpath -u "$func_convert_core_file_wine_to_w32_result" - func_to_host_file_result="$func_cygpath_result" - fi - func_convert_file_check "$1" "$func_to_host_file_result" -} -# end func_convert_file_nix_to_cygwin - - -############################################# -# $build to $host PATH CONVERSION FUNCTIONS # -############################################# -# invoked via `$to_host_path_cmd ARG' -# -# In each case, ARG is the path to be converted from $build to $host format. -# The result will be available in $func_to_host_path_result. -# -# Path separators are also converted from $build format to $host format. If -# ARG begins or ends with a path separator character, it is preserved (but -# converted to $host format) on output. -# -# All path conversion functions are named using the following convention: -# file name conversion function : func_convert_file_X_to_Y () -# path conversion function : func_convert_path_X_to_Y () -# where, for any given $build/$host combination the 'X_to_Y' value is the -# same. If conversion functions are added for new $build/$host combinations, -# the two new functions must follow this pattern, or func_init_to_host_path_cmd -# will break. - - -# func_init_to_host_path_cmd -# Ensures that function "pointer" variable $to_host_path_cmd is set to the -# appropriate value, based on the value of $to_host_file_cmd. -to_host_path_cmd= -func_init_to_host_path_cmd () -{ - $opt_debug - if test -z "$to_host_path_cmd"; then - func_stripname 'func_convert_file_' '' "$to_host_file_cmd" - to_host_path_cmd="func_convert_path_${func_stripname_result}" - fi -} - - -# func_to_host_path ARG -# Converts the path ARG from $build format to $host format. Return result -# in func_to_host_path_result. -func_to_host_path () -{ - $opt_debug - func_init_to_host_path_cmd - $to_host_path_cmd "$1" -} -# end func_to_host_path - - -# func_convert_path_noop ARG -# Copy ARG to func_to_host_path_result. -func_convert_path_noop () -{ - func_to_host_path_result="$1" -} -# end func_convert_path_noop - - -# func_convert_path_msys_to_w32 ARG -# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic -# conversion to w32 is not available inside the cwrapper. Returns result in -# func_to_host_path_result. -func_convert_path_msys_to_w32 () -{ - $opt_debug - func_to_host_path_result="$1" - if test -n "$1"; then - # Remove leading and trailing path separator characters from ARG. MSYS - # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; - # and winepath ignores them completely. - func_stripname : : "$1" - func_to_host_path_tmp1=$func_stripname_result - func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" - func_to_host_path_result="$func_convert_core_msys_to_w32_result" - func_convert_path_check : ";" \ - "$func_to_host_path_tmp1" "$func_to_host_path_result" - func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" - fi -} -# end func_convert_path_msys_to_w32 - - -# func_convert_path_cygwin_to_w32 ARG -# Convert path ARG from Cygwin to w32 format. Returns result in -# func_to_host_file_result. -func_convert_path_cygwin_to_w32 () -{ - $opt_debug - func_to_host_path_result="$1" - if test -n "$1"; then - # See func_convert_path_msys_to_w32: - func_stripname : : "$1" - func_to_host_path_tmp1=$func_stripname_result - func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` - func_convert_path_check : ";" \ - "$func_to_host_path_tmp1" "$func_to_host_path_result" - func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" - fi -} -# end func_convert_path_cygwin_to_w32 - - -# func_convert_path_nix_to_w32 ARG -# Convert path ARG from *nix to w32 format. Requires a wine environment and -# a working winepath. Returns result in func_to_host_file_result. -func_convert_path_nix_to_w32 () -{ - $opt_debug - func_to_host_path_result="$1" - if test -n "$1"; then - # See func_convert_path_msys_to_w32: - func_stripname : : "$1" - func_to_host_path_tmp1=$func_stripname_result - func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" - func_to_host_path_result="$func_convert_core_path_wine_to_w32_result" - func_convert_path_check : ";" \ - "$func_to_host_path_tmp1" "$func_to_host_path_result" - func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" - fi -} -# end func_convert_path_nix_to_w32 - - -# func_convert_path_msys_to_cygwin ARG -# Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. -# Returns result in func_to_host_file_result. -func_convert_path_msys_to_cygwin () -{ - $opt_debug - func_to_host_path_result="$1" - if test -n "$1"; then - # See func_convert_path_msys_to_w32: - func_stripname : : "$1" - func_to_host_path_tmp1=$func_stripname_result - func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" - func_cygpath -u -p "$func_convert_core_msys_to_w32_result" - func_to_host_path_result="$func_cygpath_result" - func_convert_path_check : : \ - "$func_to_host_path_tmp1" "$func_to_host_path_result" - func_convert_path_front_back_pathsep ":*" "*:" : "$1" - fi -} -# end func_convert_path_msys_to_cygwin - - -# func_convert_path_nix_to_cygwin ARG -# Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a -# a wine environment, working winepath, and LT_CYGPATH set. Returns result in -# func_to_host_file_result. -func_convert_path_nix_to_cygwin () -{ - $opt_debug - func_to_host_path_result="$1" - if test -n "$1"; then - # Remove leading and trailing path separator characters from - # ARG. msys behavior is inconsistent here, cygpath turns them - # into '.;' and ';.', and winepath ignores them completely. - func_stripname : : "$1" - func_to_host_path_tmp1=$func_stripname_result - func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" - func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" - func_to_host_path_result="$func_cygpath_result" - func_convert_path_check : : \ - "$func_to_host_path_tmp1" "$func_to_host_path_result" - func_convert_path_front_back_pathsep ":*" "*:" : "$1" - fi -} -# end func_convert_path_nix_to_cygwin - - -# func_mode_compile arg... -func_mode_compile () -{ - $opt_debug - # Get the compilation command and the source file. - base_compile= - srcfile="$nonopt" # always keep a non-empty value in "srcfile" - suppress_opt=yes - suppress_output= - arg_mode=normal - libobj= - later= - pie_flag= - - for arg - do - case $arg_mode in - arg ) - # do not "continue". Instead, add this to base_compile - lastarg="$arg" - arg_mode=normal - ;; - - target ) - libobj="$arg" - arg_mode=normal - continue - ;; - - normal ) - # Accept any command-line options. - case $arg in - -o) - test -n "$libobj" && \ - func_fatal_error "you cannot specify \`-o' more than once" - arg_mode=target - continue - ;; - - -pie | -fpie | -fPIE) - func_append pie_flag " $arg" - continue - ;; - - -shared | -static | -prefer-pic | -prefer-non-pic) - func_append later " $arg" - continue - ;; - - -no-suppress) - suppress_opt=no - continue - ;; - - -Xcompiler) - arg_mode=arg # the next one goes into the "base_compile" arg list - continue # The current "srcfile" will either be retained or - ;; # replaced later. I would guess that would be a bug. - - -Wc,*) - func_stripname '-Wc,' '' "$arg" - args=$func_stripname_result - lastarg= - save_ifs="$IFS"; IFS=',' - for arg in $args; do - IFS="$save_ifs" - func_append_quoted lastarg "$arg" - done - IFS="$save_ifs" - func_stripname ' ' '' "$lastarg" - lastarg=$func_stripname_result - - # Add the arguments to base_compile. - func_append base_compile " $lastarg" - continue - ;; - - *) - # Accept the current argument as the source file. - # The previous "srcfile" becomes the current argument. - # - lastarg="$srcfile" - srcfile="$arg" - ;; - esac # case $arg - ;; - esac # case $arg_mode - - # Aesthetically quote the previous argument. - func_append_quoted base_compile "$lastarg" - done # for arg - - case $arg_mode in - arg) - func_fatal_error "you must specify an argument for -Xcompile" - ;; - target) - func_fatal_error "you must specify a target with \`-o'" - ;; - *) - # Get the name of the library object. - test -z "$libobj" && { - func_basename "$srcfile" - libobj="$func_basename_result" - } - ;; - esac - - # Recognize several different file suffixes. - # If the user specifies -o file.o, it is replaced with file.lo - case $libobj in - *.[cCFSifmso] | \ - *.ada | *.adb | *.ads | *.asm | \ - *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ - *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) - func_xform "$libobj" - libobj=$func_xform_result - ;; - esac - - case $libobj in - *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; - *) - func_fatal_error "cannot determine name of library object from \`$libobj'" - ;; - esac - - func_infer_tag $base_compile - - for arg in $later; do - case $arg in - -shared) - test "$build_libtool_libs" != yes && \ - func_fatal_configuration "can not build a shared library" - build_old_libs=no - continue - ;; - - -static) - build_libtool_libs=no - build_old_libs=yes - continue - ;; - - -prefer-pic) - pic_mode=yes - continue - ;; - - -prefer-non-pic) - pic_mode=no - continue - ;; - esac - done - - func_quote_for_eval "$libobj" - test "X$libobj" != "X$func_quote_for_eval_result" \ - && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ - && func_warning "libobj name \`$libobj' may not contain shell special characters." - func_dirname_and_basename "$obj" "/" "" - objname="$func_basename_result" - xdir="$func_dirname_result" - lobj=${xdir}$objdir/$objname - - test -z "$base_compile" && \ - func_fatal_help "you must specify a compilation command" - - # Delete any leftover library objects. - if test "$build_old_libs" = yes; then - removelist="$obj $lobj $libobj ${libobj}T" - else - removelist="$lobj $libobj ${libobj}T" - fi - - # On Cygwin there's no "real" PIC flag so we must build both object types - case $host_os in - cygwin* | mingw* | pw32* | os2* | cegcc*) - pic_mode=default - ;; - esac - if test "$pic_mode" = no && test "$deplibs_check_method" != pass_all; then - # non-PIC code in shared libraries is not supported - pic_mode=default - fi - - # Calculate the filename of the output object if compiler does - # not support -o with -c - if test "$compiler_c_o" = no; then - output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.${objext} - lockfile="$output_obj.lock" - else - output_obj= - need_locks=no - lockfile= - fi - - # Lock this critical section if it is needed - # We use this script file to make the link, it avoids creating a new file - if test "$need_locks" = yes; then - until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do - func_echo "Waiting for $lockfile to be removed" - sleep 2 - done - elif test "$need_locks" = warn; then - if test -f "$lockfile"; then - $ECHO "\ -*** ERROR, $lockfile exists and contains: -`cat $lockfile 2>/dev/null` - -This indicates that another process is trying to use the same -temporary object file, and libtool could not work around it because -your compiler does not support \`-c' and \`-o' together. If you -repeat this compilation, it may succeed, by chance, but you had better -avoid parallel builds (make -j) in this platform, or get a better -compiler." - - $opt_dry_run || $RM $removelist - exit $EXIT_FAILURE - fi - func_append removelist " $output_obj" - $ECHO "$srcfile" > "$lockfile" - fi - - $opt_dry_run || $RM $removelist - func_append removelist " $lockfile" - trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 - - func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 - srcfile=$func_to_tool_file_result - func_quote_for_eval "$srcfile" - qsrcfile=$func_quote_for_eval_result - - # Only build a PIC object if we are building libtool libraries. - if test "$build_libtool_libs" = yes; then - # Without this assignment, base_compile gets emptied. - fbsd_hideous_sh_bug=$base_compile - - if test "$pic_mode" != no; then - command="$base_compile $qsrcfile $pic_flag" - else - # Don't build PIC code - command="$base_compile $qsrcfile" - fi - - func_mkdir_p "$xdir$objdir" - - if test -z "$output_obj"; then - # Place PIC objects in $objdir - func_append command " -o $lobj" - fi - - func_show_eval_locale "$command" \ - 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' - - if test "$need_locks" = warn && - test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then - $ECHO "\ -*** ERROR, $lockfile contains: -`cat $lockfile 2>/dev/null` - -but it should contain: -$srcfile - -This indicates that another process is trying to use the same -temporary object file, and libtool could not work around it because -your compiler does not support \`-c' and \`-o' together. If you -repeat this compilation, it may succeed, by chance, but you had better -avoid parallel builds (make -j) in this platform, or get a better -compiler." - - $opt_dry_run || $RM $removelist - exit $EXIT_FAILURE - fi - - # Just move the object if needed, then go on to compile the next one - if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then - func_show_eval '$MV "$output_obj" "$lobj"' \ - 'error=$?; $opt_dry_run || $RM $removelist; exit $error' - fi - - # Allow error messages only from the first compilation. - if test "$suppress_opt" = yes; then - suppress_output=' >/dev/null 2>&1' - fi - fi - - # Only build a position-dependent object if we build old libraries. - if test "$build_old_libs" = yes; then - if test "$pic_mode" != yes; then - # Don't build PIC code - command="$base_compile $qsrcfile$pie_flag" - else - command="$base_compile $qsrcfile $pic_flag" - fi - if test "$compiler_c_o" = yes; then - func_append command " -o $obj" - fi - - # Suppress compiler output if we already did a PIC compilation. - func_append command "$suppress_output" - func_show_eval_locale "$command" \ - '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' - - if test "$need_locks" = warn && - test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then - $ECHO "\ -*** ERROR, $lockfile contains: -`cat $lockfile 2>/dev/null` - -but it should contain: -$srcfile - -This indicates that another process is trying to use the same -temporary object file, and libtool could not work around it because -your compiler does not support \`-c' and \`-o' together. If you -repeat this compilation, it may succeed, by chance, but you had better -avoid parallel builds (make -j) in this platform, or get a better -compiler." - - $opt_dry_run || $RM $removelist - exit $EXIT_FAILURE - fi - - # Just move the object if needed - if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then - func_show_eval '$MV "$output_obj" "$obj"' \ - 'error=$?; $opt_dry_run || $RM $removelist; exit $error' - fi - fi - - $opt_dry_run || { - func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" - - # Unlock the critical section if it was locked - if test "$need_locks" != no; then - removelist=$lockfile - $RM "$lockfile" - fi - } - - exit $EXIT_SUCCESS -} - -$opt_help || { - test "$opt_mode" = compile && func_mode_compile ${1+"$@"} -} - -func_mode_help () -{ - # We need to display help for each of the modes. - case $opt_mode in - "") - # Generic help is extracted from the usage comments - # at the start of this file. - func_help - ;; - - clean) - $ECHO \ -"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... - -Remove files from the build directory. - -RM is the name of the program to use to delete files associated with each FILE -(typically \`/bin/rm'). RM-OPTIONS are options (such as \`-f') to be passed -to RM. - -If FILE is a libtool library, object or program, all the files associated -with it are deleted. Otherwise, only FILE itself is deleted using RM." - ;; - - compile) - $ECHO \ -"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... 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then - # Stick the inst_prefix_dir data into the link command. - relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` - else - relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` - fi - - func_warning "relinking \`$file'" - func_show_eval "$relink_command" \ - 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' - fi - - # See the names of the shared library. - set dummy $library_names; shift - if test -n "$1"; then - realname="$1" - shift - - srcname="$realname" - test -n "$relink_command" && srcname="$realname"T - - # Install the shared library and build the symlinks. - func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ - 'exit $?' - tstripme="$stripme" - case $host_os in - cygwin* | mingw* | pw32* | cegcc*) - case $realname in - *.dll.a) - tstripme="" - ;; - esac - ;; - esac - if test -n "$tstripme" && test -n "$striplib"; then - func_show_eval "$striplib $destdir/$realname" 'exit $?' - fi - - if test "$#" -gt 0; then - # Delete the old symlinks, and create new ones. - # Try `ln -sf' first, because the `ln' binary might depend on - # the symlink we replace! 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then - func_stripname '' '.exe' "$file" - file=$func_stripname_result - stripped_ext=".exe" - fi - ;; - esac - - # Do a test to see if this is really a libtool program. - case $host in - *cygwin* | *mingw*) - if func_ltwrapper_executable_p "$file"; then - func_ltwrapper_scriptname "$file" - wrapper=$func_ltwrapper_scriptname_result - else - func_stripname '' '.exe' "$file" - wrapper=$func_stripname_result - fi - ;; - *) - wrapper=$file - ;; - esac - if func_ltwrapper_script_p "$wrapper"; then - notinst_deplibs= - relink_command= - - func_source "$wrapper" - - # Check the variables that should have been set. - test -z "$generated_by_libtool_version" && \ - func_fatal_error "invalid libtool wrapper script \`$wrapper'" - - finalize=yes - for lib in $notinst_deplibs; do - # Check to see that each library is installed. - libdir= - if test -f "$lib"; then - func_source "$lib" - fi - libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test - if test -n "$libdir" && test ! -f "$libfile"; then - func_warning "\`$lib' has not been installed in \`$libdir'" - finalize=no - fi - done - - relink_command= - func_source "$wrapper" - - outputname= - if test "$fast_install" = no && test -n "$relink_command"; then - $opt_dry_run || { - if test "$finalize" = yes; then - tmpdir=`func_mktempdir` - func_basename "$file$stripped_ext" - file="$func_basename_result" - outputname="$tmpdir/$file" - # Replace the output file specification. - relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` - - $opt_silent || { - func_quote_for_expand "$relink_command" - eval "func_echo $func_quote_for_expand_result" - } - if eval "$relink_command"; then : - else - func_error "error: relink \`$file' with the above command before installing it" - $opt_dry_run || ${RM}r "$tmpdir" - continue - fi - file="$outputname" - else - func_warning "cannot relink \`$file'" - fi - } - else - # Install the binary that we compiled earlier. - file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` - fi - fi - - # remove .exe since cygwin /usr/bin/install will append another - # one anyway - case $install_prog,$host in - */usr/bin/install*,*cygwin*) - case $file:$destfile in - *.exe:*.exe) - # this is ok - ;; - *.exe:*) - destfile=$destfile.exe - ;; - *:*.exe) - func_stripname '' '.exe' "$destfile" - destfile=$func_stripname_result - ;; - esac - ;; - esac - func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' - $opt_dry_run || if test -n "$outputname"; then - ${RM}r "$tmpdir" - fi - ;; - esac - done - - for file in $staticlibs; do - func_basename "$file" - name="$func_basename_result" - - # Set up the ranlib parameters. - oldlib="$destdir/$name" - func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 - tool_oldlib=$func_to_tool_file_result - - func_show_eval "$install_prog \$file \$oldlib" 'exit $?' - - if test -n "$stripme" && test -n "$old_striplib"; then - func_show_eval "$old_striplib $tool_oldlib" 'exit $?' - fi - - # Do each command in the postinstall commands. - func_execute_cmds "$old_postinstall_cmds" 'exit $?' - done - - test -n "$future_libdirs" && \ - func_warning "remember to run \`$progname --finish$future_libdirs'" - - if test -n "$current_libdirs"; then - # Maybe just do a dry run. - $opt_dry_run && current_libdirs=" -n$current_libdirs" - exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' - else - exit $EXIT_SUCCESS - fi -} - -test "$opt_mode" = install && func_mode_install ${1+"$@"} - - -# func_generate_dlsyms outputname originator pic_p -# Extract symbols from dlprefiles and create ${outputname}S.o with -# a dlpreopen symbol table. -func_generate_dlsyms () -{ - $opt_debug - my_outputname="$1" - my_originator="$2" - my_pic_p="${3-no}" - my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` - my_dlsyms= - - if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then - if test -n "$NM" && test -n "$global_symbol_pipe"; then - my_dlsyms="${my_outputname}S.c" - else - func_error "not configured to extract global symbols from dlpreopened files" - fi - fi - - if test -n "$my_dlsyms"; then - case $my_dlsyms in - "") ;; - *.c) - # Discover the nlist of each of the dlfiles. - nlist="$output_objdir/${my_outputname}.nm" - - func_show_eval "$RM $nlist ${nlist}S ${nlist}T" - - # Parse the name list into a source file. - func_verbose "creating $output_objdir/$my_dlsyms" - - $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ -/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ -/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ - -#ifdef __cplusplus -extern \"C\" { -#endif - -#if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) -#pragma GCC diagnostic ignored \"-Wstrict-prototypes\" -#endif - -/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ -#if defined(_WIN32) || defined(__CYGWIN__) || defined(_WIN32_WCE) -/* DATA imports from DLLs on WIN32 con't be const, because runtime - relocations are performed -- see ld's documentation on pseudo-relocs. */ -# define LT_DLSYM_CONST -#elif defined(__osf__) -/* This system does not cope well with relocations in const data. */ -# define LT_DLSYM_CONST -#else -# define LT_DLSYM_CONST const -#endif - -/* External symbol declarations for the compiler. */\ -" - - if test "$dlself" = yes; then - func_verbose "generating symbol list for \`$output'" - - $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" - - # Add our own program objects to the symbol list. - progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` - for progfile in $progfiles; do - func_to_tool_file "$progfile" func_convert_file_msys_to_w32 - func_verbose "extracting global C symbols from \`$func_to_tool_file_result'" - $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" - done - - if test -n "$exclude_expsyms"; then - $opt_dry_run || { - eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - } - fi - - if test -n "$export_symbols_regex"; then - $opt_dry_run || { - eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - } - fi - - # Prepare the list of exported symbols - if test -z "$export_symbols"; then - export_symbols="$output_objdir/$outputname.exp" - $opt_dry_run || { - $RM $export_symbols - eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' - case $host in - *cygwin* | *mingw* | *cegcc* ) - eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' - eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' - ;; - esac - } - else - $opt_dry_run || { - eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' - eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - case $host in - *cygwin* | *mingw* | *cegcc* ) - eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' - eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' - ;; - esac - } - fi - fi - - for dlprefile in $dlprefiles; do - func_verbose "extracting global C symbols from \`$dlprefile'" - func_basename "$dlprefile" - name="$func_basename_result" - case $host in - *cygwin* | *mingw* | *cegcc* ) - # if an import library, we need to obtain dlname - if func_win32_import_lib_p "$dlprefile"; then - func_tr_sh "$dlprefile" - eval "curr_lafile=\$libfile_$func_tr_sh_result" - dlprefile_dlbasename="" - if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then - # Use subshell, to avoid clobbering current variable values - dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` - if test -n "$dlprefile_dlname" ; then - func_basename "$dlprefile_dlname" - dlprefile_dlbasename="$func_basename_result" - else - # no lafile. user explicitly requested -dlpreopen . - $sharedlib_from_linklib_cmd "$dlprefile" - dlprefile_dlbasename=$sharedlib_from_linklib_result - fi - fi - $opt_dry_run || { - if test -n "$dlprefile_dlbasename" ; then - eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' - else - func_warning "Could not compute DLL name from $name" - eval '$ECHO ": $name " >> "$nlist"' - fi - func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 - eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | - $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" - } - else # not an import lib - $opt_dry_run || { - eval '$ECHO ": $name " >> "$nlist"' - func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 - eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" - } - fi - ;; - *) - $opt_dry_run || { - eval '$ECHO ": $name " >> "$nlist"' - func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 - eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" - } - ;; - esac - done - - $opt_dry_run || { - # Make sure we have at least an empty file. - test -f "$nlist" || : > "$nlist" - - if test -n "$exclude_expsyms"; then - $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T - $MV "$nlist"T "$nlist" - fi - - # Try sorting and uniquifying the output. - if $GREP -v "^: " < "$nlist" | - if sort -k 3 /dev/null 2>&1; then - sort -k 3 - else - sort +2 - fi | - uniq > "$nlist"S; then - : - else - $GREP -v "^: " < "$nlist" > "$nlist"S - fi - - if test -f "$nlist"S; then - eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' - else - echo '/* NONE */' >> "$output_objdir/$my_dlsyms" - fi - - echo >> "$output_objdir/$my_dlsyms" "\ - -/* The mapping between symbol names and symbols. */ -typedef struct { - const char *name; - void *address; -} lt_dlsymlist; -extern LT_DLSYM_CONST lt_dlsymlist -lt_${my_prefix}_LTX_preloaded_symbols[]; -LT_DLSYM_CONST lt_dlsymlist -lt_${my_prefix}_LTX_preloaded_symbols[] = -{\ - { \"$my_originator\", (void *) 0 }," - - case $need_lib_prefix in - no) - eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" - ;; - *) - eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" - ;; - esac - echo >> "$output_objdir/$my_dlsyms" "\ - {0, (void *) 0} -}; - -/* This works around a problem in FreeBSD linker */ -#ifdef FREEBSD_WORKAROUND -static const void *lt_preloaded_setup() { - return lt_${my_prefix}_LTX_preloaded_symbols; -} -#endif - -#ifdef __cplusplus -} -#endif\ -" - } # !$opt_dry_run - - pic_flag_for_symtable= - case "$compile_command " in - *" -static "*) ;; - *) - case $host in - # compiling the symbol table file with pic_flag works around - # a FreeBSD bug that causes programs to crash when -lm is - # linked before any other PIC object. But we must not use - # pic_flag when linking with -static. The problem exists in - # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. - *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) - pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; - *-*-hpux*) - pic_flag_for_symtable=" $pic_flag" ;; - *) - if test "X$my_pic_p" != Xno; then - pic_flag_for_symtable=" $pic_flag" - fi - ;; - esac - ;; - esac - symtab_cflags= - for arg in $LTCFLAGS; do - case $arg in - -pie | -fpie | -fPIE) ;; - *) func_append symtab_cflags " $arg" ;; - esac - done - - # Now compile the dynamic symbol file. - func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' - - # Clean up the generated files. - func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' - - # Transform the symbol file into the correct name. - symfileobj="$output_objdir/${my_outputname}S.$objext" - case $host in - *cygwin* | *mingw* | *cegcc* ) - if test -f "$output_objdir/$my_outputname.def"; then - compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` - finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` - else - compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` - finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` - fi - ;; - *) - compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` - finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` - ;; - esac - ;; - *) - func_fatal_error "unknown suffix for \`$my_dlsyms'" - ;; - esac - else - # We keep going just in case the user didn't refer to - # lt_preloaded_symbols. The linker will fail if global_symbol_pipe - # really was required. - - # Nullify the symbol file. - compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` - finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` - fi -} - -# func_win32_libid arg -# return the library type of file 'arg' -# -# Need a lot of goo to handle *both* DLLs and import libs -# Has to be a shell function in order to 'eat' the argument -# that is supplied when $file_magic_command is called. -# Despite the name, also deal with 64 bit binaries. -func_win32_libid () -{ - $opt_debug - win32_libid_type="unknown" - win32_fileres=`file -L $1 2>/dev/null` - case $win32_fileres in - *ar\ archive\ import\ library*) # definitely import - win32_libid_type="x86 archive import" - ;; - *ar\ archive*) # could be an import, or static - # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. - if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | - $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then - func_to_tool_file "$1" func_convert_file_msys_to_w32 - win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | - $SED -n -e ' - 1,100{ - / I /{ - s,.*,import, - p - q - } - }'` - case $win32_nmres in - import*) win32_libid_type="x86 archive import";; - *) win32_libid_type="x86 archive static";; - esac - fi - ;; - *DLL*) - win32_libid_type="x86 DLL" - ;; - *executable*) # but shell scripts are "executable" too... - case $win32_fileres in - *MS\ Windows\ PE\ Intel*) - win32_libid_type="x86 DLL" - ;; - esac - ;; - esac - $ECHO "$win32_libid_type" -} - -# func_cygming_dll_for_implib ARG -# -# Platform-specific function to extract the -# name of the DLL associated with the specified -# import library ARG. -# Invoked by eval'ing the libtool variable -# $sharedlib_from_linklib_cmd -# Result is available in the variable -# $sharedlib_from_linklib_result -func_cygming_dll_for_implib () -{ - $opt_debug - sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` -} - -# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs -# -# The is the core of a fallback implementation of a -# platform-specific function to extract the name of the -# DLL associated with the specified import library LIBNAME. -# -# SECTION_NAME is either .idata$6 or .idata$7, depending -# on the platform and compiler that created the implib. -# -# Echos the name of the DLL associated with the -# specified import library. -func_cygming_dll_for_implib_fallback_core () -{ - $opt_debug - match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` - $OBJDUMP -s --section "$1" "$2" 2>/dev/null | - $SED '/^Contents of section '"$match_literal"':/{ - # Place marker at beginning of archive member dllname section - s/.*/====MARK====/ - p - d - } - # These lines can sometimes be longer than 43 characters, but - # are always uninteresting - /:[ ]*file format pe[i]\{,1\}-/d - /^In archive [^:]*:/d - # Ensure marker is printed - /^====MARK====/p - # Remove all lines with less than 43 characters - /^.\{43\}/!d - # From remaining lines, remove first 43 characters - s/^.\{43\}//' | - $SED -n ' - # Join marker and all lines until next marker into a single line - /^====MARK====/ b para - H - $ b para - b - :para - x - s/\n//g - # Remove the marker - s/^====MARK====// - # Remove trailing dots and whitespace - s/[\. \t]*$// - # Print - /./p' | - # we now have a list, one entry per line, of the stringified - # contents of the appropriate section of all members of the - # archive which possess that section. Heuristic: eliminate - # all those which have a first or second character that is - # a '.' (that is, objdump's representation of an unprintable - # character.) This should work for all archives with less than - # 0x302f exports -- but will fail for DLLs whose name actually - # begins with a literal '.' or a single character followed by - # a '.'. - # - # Of those that remain, print the first one. - $SED -e '/^\./d;/^.\./d;q' -} - -# func_cygming_gnu_implib_p ARG -# This predicate returns with zero status (TRUE) if -# ARG is a GNU/binutils-style import library. Returns -# with nonzero status (FALSE) otherwise. -func_cygming_gnu_implib_p () -{ - $opt_debug - func_to_tool_file "$1" func_convert_file_msys_to_w32 - func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` - test -n "$func_cygming_gnu_implib_tmp" -} - -# func_cygming_ms_implib_p ARG -# This predicate returns with zero status (TRUE) if -# ARG is an MS-style import library. Returns -# with nonzero status (FALSE) otherwise. -func_cygming_ms_implib_p () -{ - $opt_debug - func_to_tool_file "$1" func_convert_file_msys_to_w32 - func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` - test -n "$func_cygming_ms_implib_tmp" -} - -# func_cygming_dll_for_implib_fallback ARG -# Platform-specific function to extract the -# name of the DLL associated with the specified -# import library ARG. -# -# This fallback implementation is for use when $DLLTOOL -# does not support the --identify-strict option. -# Invoked by eval'ing the libtool variable -# $sharedlib_from_linklib_cmd -# Result is available in the variable -# $sharedlib_from_linklib_result -func_cygming_dll_for_implib_fallback () -{ - $opt_debug - if func_cygming_gnu_implib_p "$1" ; then - # binutils import library - sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` - elif func_cygming_ms_implib_p "$1" ; then - # ms-generated import library - sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` - else - # unknown - sharedlib_from_linklib_result="" - fi -} - - -# func_extract_an_archive dir oldlib -func_extract_an_archive () -{ - $opt_debug - f_ex_an_ar_dir="$1"; shift - f_ex_an_ar_oldlib="$1" - if test "$lock_old_archive_extraction" = yes; then - lockfile=$f_ex_an_ar_oldlib.lock - until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do - func_echo "Waiting for $lockfile to be removed" - sleep 2 - done - fi - func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ - 'stat=$?; rm -f "$lockfile"; exit $stat' - if test "$lock_old_archive_extraction" = yes; then - $opt_dry_run || rm -f "$lockfile" - fi - if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then - : - else - func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" - fi -} - - -# func_extract_archives gentop oldlib ... -func_extract_archives () -{ - $opt_debug - my_gentop="$1"; shift - my_oldlibs=${1+"$@"} - my_oldobjs="" - my_xlib="" - my_xabs="" - my_xdir="" - - for my_xlib in $my_oldlibs; do - # Extract the objects. - case $my_xlib in - [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; - *) my_xabs=`pwd`"/$my_xlib" ;; - esac - func_basename "$my_xlib" - my_xlib="$func_basename_result" - my_xlib_u=$my_xlib - while :; do - case " $extracted_archives " in - *" $my_xlib_u "*) - func_arith $extracted_serial + 1 - extracted_serial=$func_arith_result - my_xlib_u=lt$extracted_serial-$my_xlib ;; - *) break ;; - esac - done - extracted_archives="$extracted_archives $my_xlib_u" - my_xdir="$my_gentop/$my_xlib_u" - - func_mkdir_p "$my_xdir" - - case $host in - *-darwin*) - func_verbose "Extracting $my_xabs" - # Do not bother doing anything if just a dry run - $opt_dry_run || { - darwin_orig_dir=`pwd` - cd $my_xdir || exit $? - darwin_archive=$my_xabs - darwin_curdir=`pwd` - darwin_base_archive=`basename "$darwin_archive"` - darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` - if test -n "$darwin_arches"; then - darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` - darwin_arch= - func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" - for darwin_arch in $darwin_arches ; do - func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" - $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" - cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" - func_extract_an_archive "`pwd`" "${darwin_base_archive}" - cd "$darwin_curdir" - $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" - done # $darwin_arches - ## Okay now we've a bunch of thin objects, gotta fatten them up :) - darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` - darwin_file= - darwin_files= - for darwin_file in $darwin_filelist; do - darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` - $LIPO -create -output "$darwin_file" $darwin_files - done # $darwin_filelist - $RM -rf unfat-$$ - cd "$darwin_orig_dir" - else - cd $darwin_orig_dir - func_extract_an_archive "$my_xdir" "$my_xabs" - fi # $darwin_arches - } # !$opt_dry_run - ;; - *) - func_extract_an_archive "$my_xdir" "$my_xabs" - ;; - esac - my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` - done - - func_extract_archives_result="$my_oldobjs" -} - - -# func_emit_wrapper [arg=no] -# -# Emit a libtool wrapper script on stdout. -# Don't directly open a file because we may want to -# incorporate the script contents within a cygwin/mingw -# wrapper executable. Must ONLY be called from within -# func_mode_link because it depends on a number of variables -# set therein. -# -# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR -# variable will take. If 'yes', then the emitted script -# will assume that the directory in which it is stored is -# the $objdir directory. This is a cygwin/mingw-specific -# behavior. -func_emit_wrapper () -{ - func_emit_wrapper_arg1=${1-no} - - $ECHO "\ -#! $SHELL - -# $output - temporary wrapper script for $objdir/$outputname -# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION -# -# The $output program cannot be directly executed until all the libtool -# libraries that it depends on are installed. -# -# This wrapper script should never be moved out of the build directory. -# If it is, it will not operate correctly. - -# Sed substitution that helps us do robust quoting. It backslashifies -# metacharacters that are still active within double-quoted strings. -sed_quote_subst='$sed_quote_subst' - -# Be Bourne compatible -if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then - emulate sh - NULLCMD=: - # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which - # is contrary to our usage. Disable this feature. - alias -g '\${1+\"\$@\"}'='\"\$@\"' - setopt NO_GLOB_SUBST -else - case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac -fi -BIN_SH=xpg4; export BIN_SH # for Tru64 -DUALCASE=1; export DUALCASE # for MKS sh - -# The HP-UX ksh and POSIX shell print the target directory to stdout -# if CDPATH is set. -(unset CDPATH) >/dev/null 2>&1 && unset CDPATH - -relink_command=\"$relink_command\" - -# This environment variable determines our operation mode. -if test \"\$libtool_install_magic\" = \"$magic\"; then - # install mode needs the following variables: - generated_by_libtool_version='$macro_version' - notinst_deplibs='$notinst_deplibs' -else - # When we are sourced in execute mode, \$file and \$ECHO are already set. - if test \"\$libtool_execute_magic\" != \"$magic\"; then - file=\"\$0\"" - - qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` - $ECHO "\ - -# A function that is used when there is no print builtin or printf. -func_fallback_echo () -{ - eval 'cat <<_LTECHO_EOF -\$1 -_LTECHO_EOF' -} - ECHO=\"$qECHO\" - fi - -# Very basic option parsing. These options are (a) specific to -# the libtool wrapper, (b) are identical between the wrapper -# /script/ and the wrapper /executable/ which is used only on -# windows platforms, and (c) all begin with the string "--lt-" -# (application programs are unlikely to have options which match -# this pattern). -# -# There are only two supported options: --lt-debug and -# --lt-dump-script. There is, deliberately, no --lt-help. -# -# The first argument to this parsing function should be the -# script's $0 value, followed by "$@". -lt_option_debug= -func_parse_lt_options () -{ - lt_script_arg0=\$0 - shift - for lt_opt - do - case \"\$lt_opt\" in - --lt-debug) lt_option_debug=1 ;; - --lt-dump-script) - lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` - test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. - lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` - cat \"\$lt_dump_D/\$lt_dump_F\" - exit 0 - ;; - --lt-*) - \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 - exit 1 - ;; - esac - done - - # Print the debug banner immediately: - if test -n \"\$lt_option_debug\"; then - echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2 - fi -} - -# Used when --lt-debug. Prints its arguments to stdout -# (redirection is the responsibility of the caller) -func_lt_dump_args () -{ - lt_dump_args_N=1; - for lt_arg - do - \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\" - lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` - done -} - -# Core function for launching the target application -func_exec_program_core () -{ -" - case $host in - # Backslashes separate directories on plain windows - *-*-mingw | *-*-os2* | *-cegcc*) - $ECHO "\ - if test -n \"\$lt_option_debug\"; then - \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2 - func_lt_dump_args \${1+\"\$@\"} 1>&2 - fi - exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} -" - ;; - - *) - $ECHO "\ - if test -n \"\$lt_option_debug\"; then - \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2 - func_lt_dump_args \${1+\"\$@\"} 1>&2 - fi - exec \"\$progdir/\$program\" \${1+\"\$@\"} -" - ;; - esac - $ECHO "\ - \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 - exit 1 -} - -# A function to encapsulate launching the target application -# Strips options in the --lt-* namespace from \$@ and -# launches target application with the remaining arguments. -func_exec_program () -{ - case \" \$* \" in - *\\ --lt-*) - for lt_wr_arg - do - case \$lt_wr_arg in - --lt-*) ;; - *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; - esac - shift - done ;; - esac - func_exec_program_core \${1+\"\$@\"} -} - - # Parse options - func_parse_lt_options \"\$0\" \${1+\"\$@\"} - - # Find the directory that this script lives in. - thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` - test \"x\$thisdir\" = \"x\$file\" && thisdir=. - - # Follow symbolic links until we get to the real thisdir. - file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` - while test -n \"\$file\"; do - destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` - - # If there was a directory component, then change thisdir. - if test \"x\$destdir\" != \"x\$file\"; then - case \"\$destdir\" in - [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; - *) thisdir=\"\$thisdir/\$destdir\" ;; - esac - fi - - file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` - file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` - done - - # Usually 'no', except on cygwin/mingw when embedded into - # the cwrapper. - WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 - if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then - # special case for '.' - if test \"\$thisdir\" = \".\"; then - thisdir=\`pwd\` - fi - # remove .libs from thisdir - case \"\$thisdir\" in - *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; - $objdir ) thisdir=. ;; - esac - fi - - # Try to get the absolute directory name. - absdir=\`cd \"\$thisdir\" && pwd\` - test -n \"\$absdir\" && thisdir=\"\$absdir\" -" - - if test "$fast_install" = yes; then - $ECHO "\ - program=lt-'$outputname'$exeext - progdir=\"\$thisdir/$objdir\" - - if test ! -f \"\$progdir/\$program\" || - { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ - test \"X\$file\" != \"X\$progdir/\$program\"; }; then - - file=\"\$\$-\$program\" - - if test ! -d \"\$progdir\"; then - $MKDIR \"\$progdir\" - else - $RM \"\$progdir/\$file\" - fi" - - $ECHO "\ - - # relink executable if necessary - if test -n \"\$relink_command\"; then - if relink_command_output=\`eval \$relink_command 2>&1\`; then : - else - $ECHO \"\$relink_command_output\" >&2 - $RM \"\$progdir/\$file\" - exit 1 - fi - fi - - $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || - { $RM \"\$progdir/\$program\"; - $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } - $RM \"\$progdir/\$file\" - fi" - else - $ECHO "\ - program='$outputname' - progdir=\"\$thisdir/$objdir\" -" - fi - - $ECHO "\ - - if test -f \"\$progdir/\$program\"; then" - - # fixup the dll searchpath if we need to. - # - # Fix the DLL searchpath if we need to. Do this before prepending - # to shlibpath, because on Windows, both are PATH and uninstalled - # libraries must come first. - if test -n "$dllsearchpath"; then - $ECHO "\ - # Add the dll search path components to the executable PATH - PATH=$dllsearchpath:\$PATH -" - fi - - # Export our shlibpath_var if we have one. - if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then - $ECHO "\ - # Add our own library path to $shlibpath_var - $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" - - # Some systems cannot cope with colon-terminated $shlibpath_var - # The second colon is a workaround for a bug in BeOS R4 sed - $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` - - export $shlibpath_var -" - fi - - $ECHO "\ - if test \"\$libtool_execute_magic\" != \"$magic\"; then - # Run the actual program with our arguments. - func_exec_program \${1+\"\$@\"} - fi - else - # The program doesn't exist. - \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 - \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 - \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 - exit 1 - fi -fi\ -" -} - - -# func_emit_cwrapperexe_src -# emit the source code for a wrapper executable on stdout -# Must ONLY be called from within func_mode_link because -# it depends on a number of variable set therein. -func_emit_cwrapperexe_src () -{ - cat < -#include -#ifdef _MSC_VER -# include -# include -# include -#else -# include -# include -# ifdef __CYGWIN__ -# include -# endif -#endif -#include -#include -#include -#include -#include -#include -#include -#include - -/* declarations of non-ANSI functions */ -#if defined(__MINGW32__) -# ifdef __STRICT_ANSI__ -int _putenv (const char *); -# endif -#elif defined(__CYGWIN__) -# ifdef __STRICT_ANSI__ -char *realpath (const char *, char *); -int putenv (char *); -int setenv (const char *, const char *, int); -# endif -/* #elif defined (other platforms) ... */ -#endif - -/* portability defines, excluding path handling macros */ -#if defined(_MSC_VER) -# define setmode _setmode -# define stat _stat -# define chmod _chmod -# define getcwd _getcwd -# define putenv _putenv -# define S_IXUSR _S_IEXEC -# ifndef _INTPTR_T_DEFINED -# define _INTPTR_T_DEFINED -# define intptr_t int -# endif -#elif defined(__MINGW32__) -# define setmode _setmode -# define stat _stat -# define chmod _chmod -# define getcwd _getcwd -# define putenv _putenv -#elif defined(__CYGWIN__) -# define HAVE_SETENV -# define FOPEN_WB "wb" -/* #elif defined (other platforms) ... */ -#endif - -#if defined(PATH_MAX) -# define LT_PATHMAX PATH_MAX -#elif defined(MAXPATHLEN) -# define LT_PATHMAX MAXPATHLEN -#else -# define LT_PATHMAX 1024 -#endif - -#ifndef S_IXOTH -# define S_IXOTH 0 -#endif -#ifndef S_IXGRP -# define S_IXGRP 0 -#endif - -/* path handling portability macros */ -#ifndef DIR_SEPARATOR -# define DIR_SEPARATOR '/' -# define PATH_SEPARATOR ':' -#endif - -#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ - defined (__OS2__) -# define HAVE_DOS_BASED_FILE_SYSTEM -# define FOPEN_WB "wb" -# ifndef DIR_SEPARATOR_2 -# define DIR_SEPARATOR_2 '\\' -# endif -# ifndef PATH_SEPARATOR_2 -# define PATH_SEPARATOR_2 ';' -# endif -#endif - -#ifndef DIR_SEPARATOR_2 -# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) -#else /* DIR_SEPARATOR_2 */ -# define IS_DIR_SEPARATOR(ch) \ - (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) -#endif /* DIR_SEPARATOR_2 */ - -#ifndef PATH_SEPARATOR_2 -# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) -#else /* PATH_SEPARATOR_2 */ -# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) -#endif /* PATH_SEPARATOR_2 */ - -#ifndef FOPEN_WB -# define FOPEN_WB "w" -#endif -#ifndef _O_BINARY -# define _O_BINARY 0 -#endif - -#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) -#define XFREE(stale) do { \ - if (stale) { free ((void *) stale); stale = 0; } \ -} while (0) - -#if defined(LT_DEBUGWRAPPER) -static int lt_debug = 1; -#else -static int lt_debug = 0; -#endif - -const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ - -void *xmalloc (size_t num); -char *xstrdup (const char *string); -const char *base_name (const char *name); -char *find_executable (const char *wrapper); -char *chase_symlinks (const char *pathspec); -int make_executable (const char *path); -int check_executable (const char *path); -char *strendzap (char *str, const char *pat); -void lt_debugprintf (const char *file, int line, const char *fmt, ...); -void lt_fatal (const char *file, int line, const char *message, ...); -static const char *nonnull (const char *s); -static const char *nonempty (const char *s); -void lt_setenv (const char *name, const char *value); -char *lt_extend_str (const char *orig_value, const char *add, int to_end); -void lt_update_exe_path (const char *name, const char *value); -void lt_update_lib_path (const char *name, const char *value); -char **prepare_spawn (char **argv); -void lt_dump_script (FILE *f); -EOF - - cat <= 0) - && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) - return 1; - else - return 0; -} - -int -make_executable (const char *path) -{ - int rval = 0; - struct stat st; - - lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", - nonempty (path)); - if ((!path) || (!*path)) - return 0; - - if (stat (path, &st) >= 0) - { - rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); - } - return rval; -} - -/* Searches for the full path of the wrapper. Returns - newly allocated full path name if found, NULL otherwise - Does not chase symlinks, even on platforms that support them. -*/ -char * -find_executable (const char *wrapper) -{ - int has_slash = 0; - const char *p; - const char *p_next; - /* static buffer for getcwd */ - char tmp[LT_PATHMAX + 1]; - int tmp_len; - char *concat_name; - - lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", - nonempty (wrapper)); - - if ((wrapper == NULL) || (*wrapper == '\0')) - return NULL; - - /* Absolute path? */ -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') - { - concat_name = xstrdup (wrapper); - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } - else - { -#endif - if (IS_DIR_SEPARATOR (wrapper[0])) - { - concat_name = xstrdup (wrapper); - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - } -#endif - - for (p = wrapper; *p; p++) - if (*p == '/') - { - has_slash = 1; - break; - } - if (!has_slash) - { - /* no slashes; search PATH */ - const char *path = getenv ("PATH"); - if (path != NULL) - { - for (p = path; *p; p = p_next) - { - const char *q; - size_t p_len; - for (q = p; *q; q++) - if (IS_PATH_SEPARATOR (*q)) - break; - p_len = q - p; - p_next = (*q == '\0' ? q : q + 1); - if (p_len == 0) - { - /* empty path: current directory */ - if (getcwd (tmp, LT_PATHMAX) == NULL) - lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", - nonnull (strerror (errno))); - tmp_len = strlen (tmp); - concat_name = - XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, tmp, tmp_len); - concat_name[tmp_len] = '/'; - strcpy (concat_name + tmp_len + 1, wrapper); - } - else - { - concat_name = - XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, p, p_len); - concat_name[p_len] = '/'; - strcpy (concat_name + p_len + 1, wrapper); - } - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } - } - /* not found in PATH; assume curdir */ - } - /* Relative path | not found in path: prepend cwd */ - if (getcwd (tmp, LT_PATHMAX) == NULL) - lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", - nonnull (strerror (errno))); - tmp_len = strlen (tmp); - concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, tmp, tmp_len); - concat_name[tmp_len] = '/'; - strcpy (concat_name + tmp_len + 1, wrapper); - - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - return NULL; -} - -char * -chase_symlinks (const char *pathspec) -{ -#ifndef S_ISLNK - return xstrdup (pathspec); -#else - char buf[LT_PATHMAX]; - struct stat s; - char *tmp_pathspec = xstrdup (pathspec); - char *p; - int has_symlinks = 0; - while (strlen (tmp_pathspec) && !has_symlinks) - { - lt_debugprintf (__FILE__, __LINE__, - "checking path component for symlinks: %s\n", - tmp_pathspec); - if (lstat (tmp_pathspec, &s) == 0) - { - if (S_ISLNK (s.st_mode) != 0) - { - has_symlinks = 1; - break; - } - - /* search backwards for last DIR_SEPARATOR */ - p = tmp_pathspec + strlen (tmp_pathspec) - 1; - while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) - p--; - if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) - { - /* no more DIR_SEPARATORS left */ - break; - } - *p = '\0'; - } - else - { - lt_fatal (__FILE__, __LINE__, - "error accessing file \"%s\": %s", - tmp_pathspec, nonnull (strerror (errno))); - } - } - XFREE (tmp_pathspec); - - if (!has_symlinks) - { - return xstrdup (pathspec); - } - - tmp_pathspec = realpath (pathspec, buf); - if (tmp_pathspec == 0) - { - lt_fatal (__FILE__, __LINE__, - "could not follow symlinks for %s", pathspec); - } - return xstrdup (tmp_pathspec); -#endif -} - -char * -strendzap (char *str, const char *pat) -{ - size_t len, patlen; - - assert (str != NULL); - assert (pat != NULL); - - len = strlen (str); - patlen = strlen (pat); - - if (patlen <= len) - { - str += len - patlen; - if (strcmp (str, pat) == 0) - *str = '\0'; - } - return str; -} - -void -lt_debugprintf (const char *file, int line, const char *fmt, ...) -{ - va_list args; - if (lt_debug) - { - (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); - va_start (args, fmt); - (void) vfprintf (stderr, fmt, args); - va_end (args); - } -} - -static void -lt_error_core (int exit_status, const char *file, - int line, const char *mode, - const char *message, va_list ap) -{ - fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); - vfprintf (stderr, message, ap); - fprintf (stderr, ".\n"); - - if (exit_status >= 0) - exit (exit_status); -} - -void -lt_fatal (const char *file, int line, const char *message, ...) -{ - va_list ap; - va_start (ap, message); - lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); - va_end (ap); -} - -static const char * -nonnull (const char *s) -{ - return s ? s : "(null)"; -} - -static const char * -nonempty (const char *s) -{ - return (s && !*s) ? "(empty)" : nonnull (s); -} - -void -lt_setenv (const char *name, const char *value) -{ - lt_debugprintf (__FILE__, __LINE__, - "(lt_setenv) setting '%s' to '%s'\n", - nonnull (name), nonnull (value)); - { -#ifdef HAVE_SETENV - /* always make a copy, for consistency with !HAVE_SETENV */ - char *str = xstrdup (value); - setenv (name, str, 1); -#else - int len = strlen (name) + 1 + strlen (value) + 1; - char *str = XMALLOC (char, len); - sprintf (str, "%s=%s", name, value); - if (putenv (str) != EXIT_SUCCESS) - { - XFREE (str); - } -#endif - } -} - -char * -lt_extend_str (const char *orig_value, const char *add, int to_end) -{ - char *new_value; - if (orig_value && *orig_value) - { - int orig_value_len = strlen (orig_value); - int add_len = strlen (add); - new_value = XMALLOC (char, add_len + orig_value_len + 1); - if (to_end) - { - strcpy (new_value, orig_value); - strcpy (new_value + orig_value_len, add); - } - else - { - strcpy (new_value, add); - strcpy (new_value + add_len, orig_value); - } - } - else - { - new_value = xstrdup (add); - } - return new_value; -} - -void -lt_update_exe_path (const char *name, const char *value) -{ - lt_debugprintf (__FILE__, __LINE__, - "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", - nonnull (name), nonnull (value)); - - if (name && *name && value && *value) - { - char *new_value = lt_extend_str (getenv (name), value, 0); - /* some systems can't cope with a ':'-terminated path #' */ - int len = strlen (new_value); - while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) - { - new_value[len-1] = '\0'; - } - lt_setenv (name, new_value); - XFREE (new_value); - } -} - -void -lt_update_lib_path (const char *name, const char *value) -{ - lt_debugprintf (__FILE__, __LINE__, - "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", - nonnull (name), nonnull (value)); - - if (name && *name && value && *value) - { - char *new_value = lt_extend_str (getenv (name), value, 0); - lt_setenv (name, new_value); - XFREE (new_value); - } -} - -EOF - case $host_os in - mingw*) - cat <<"EOF" - -/* Prepares an argument vector before calling spawn(). - Note that spawn() does not by itself call the command interpreter - (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : - ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); - GetVersionEx(&v); - v.dwPlatformId == VER_PLATFORM_WIN32_NT; - }) ? "cmd.exe" : "command.com"). - Instead it simply concatenates the arguments, separated by ' ', and calls - CreateProcess(). We must quote the arguments since Win32 CreateProcess() - interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a - special way: - - Space and tab are interpreted as delimiters. They are not treated as - delimiters if they are surrounded by double quotes: "...". - - Unescaped double quotes are removed from the input. Their only effect is - that within double quotes, space and tab are treated like normal - characters. - - Backslashes not followed by double quotes are not special. - - But 2*n+1 backslashes followed by a double quote become - n backslashes followed by a double quote (n >= 0): - \" -> " - \\\" -> \" - \\\\\" -> \\" - */ -#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" -#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" -char ** -prepare_spawn (char **argv) -{ - size_t argc; - char **new_argv; - size_t i; - - /* Count number of arguments. */ - for (argc = 0; argv[argc] != NULL; argc++) - ; - - /* Allocate new argument vector. */ - new_argv = XMALLOC (char *, argc + 1); - - /* Put quoted arguments into the new argument vector. */ - for (i = 0; i < argc; i++) - { - const char *string = argv[i]; - - if (string[0] == '\0') - new_argv[i] = xstrdup ("\"\""); - else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) - { - int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); - size_t length; - unsigned int backslashes; - const char *s; - char *quoted_string; - char *p; - - length = 0; - backslashes = 0; - if (quote_around) - length++; - for (s = string; *s != '\0'; s++) - { - char c = *s; - if (c == '"') - length += backslashes + 1; - length++; - if (c == '\\') - backslashes++; - else - backslashes = 0; - } - if (quote_around) - length += backslashes + 1; - - quoted_string = XMALLOC (char, length + 1); - - p = quoted_string; - backslashes = 0; - if (quote_around) - *p++ = '"'; - for (s = string; *s != '\0'; s++) - { - char c = *s; - if (c == '"') - { - unsigned int j; - for (j = backslashes + 1; j > 0; j--) - *p++ = '\\'; - } - *p++ = c; - if (c == '\\') - backslashes++; - else - backslashes = 0; - } - if (quote_around) - { - unsigned int j; - for (j = backslashes; j > 0; j--) - *p++ = '\\'; - *p++ = '"'; - } - *p = '\0'; - - new_argv[i] = quoted_string; - } - else - new_argv[i] = (char *) string; - } - new_argv[argc] = NULL; - - return new_argv; -} -EOF - ;; - esac - - cat <<"EOF" -void lt_dump_script (FILE* f) -{ -EOF - func_emit_wrapper yes | - $SED -n -e ' -s/^\(.\{79\}\)\(..*\)/\1\ -\2/ -h -s/\([\\"]\)/\\\1/g -s/$/\\n/ -s/\([^\n]*\).*/ fputs ("\1", f);/p -g -D' - cat <<"EOF" -} -EOF -} -# end: func_emit_cwrapperexe_src - -# func_win32_import_lib_p ARG -# True if ARG is an import lib, as indicated by $file_magic_cmd -func_win32_import_lib_p () -{ - $opt_debug - case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in - *import*) : ;; - *) false ;; - esac -} - -# func_mode_link arg... -func_mode_link () -{ - $opt_debug - case $host in - *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) - # It is impossible to link a dll without this setting, and - # we shouldn't force the makefile maintainer to figure out - # which system we are compiling for in order to pass an extra - # flag for every libtool invocation. - # allow_undefined=no - - # FIXME: Unfortunately, there are problems with the above when trying - # to make a dll which has undefined symbols, in which case not - # even a static library is built. For now, we need to specify - # -no-undefined on the libtool link line when we can be certain - # that all symbols are satisfied, otherwise we get a static library. - allow_undefined=yes - ;; - *) - allow_undefined=yes - ;; - esac - libtool_args=$nonopt - base_compile="$nonopt $@" - compile_command=$nonopt - finalize_command=$nonopt - - compile_rpath= - finalize_rpath= - compile_shlibpath= - finalize_shlibpath= - convenience= - old_convenience= - deplibs= - old_deplibs= - compiler_flags= - linker_flags= - dllsearchpath= - lib_search_path=`pwd` - inst_prefix_dir= - new_inherited_linker_flags= - - avoid_version=no - bindir= - dlfiles= - dlprefiles= - dlself=no - export_dynamic=no - export_symbols= - export_symbols_regex= - generated= - libobjs= - ltlibs= - module=no - no_install=no - objs= - non_pic_objects= - precious_files_regex= - prefer_static_libs=no - preload=no - prev= - prevarg= - release= - rpath= - xrpath= - perm_rpath= - temp_rpath= - thread_safe=no - vinfo= - vinfo_number=no - weak_libs= - single_module="${wl}-single_module" - func_infer_tag $base_compile - - # We need to know -static, to get the right output filenames. - for arg - do - case $arg in - -shared) - test "$build_libtool_libs" != yes && \ - func_fatal_configuration "can not build a shared library" - build_old_libs=no - break - ;; 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then - case $prev in - output) - func_append compile_command " @OUTPUT@" - func_append finalize_command " @OUTPUT@" - ;; - esac - - case $prev in - bindir) - bindir="$arg" - prev= - continue - ;; - dlfiles|dlprefiles) - if test "$preload" = no; then - # Add the symbol object into the linking commands. - func_append compile_command " @SYMFILE@" - func_append finalize_command " @SYMFILE@" - preload=yes - fi - case $arg in - *.la | *.lo) ;; # We handle these cases below. - force) - if test "$dlself" = no; then - dlself=needless - export_dynamic=yes - fi - prev= - continue - ;; - self) - if test "$prev" = dlprefiles; then - dlself=yes - elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then - dlself=yes - else - dlself=needless - export_dynamic=yes - fi - prev= - continue - ;; - *) - if test "$prev" = dlfiles; then - func_append dlfiles " $arg" - else - func_append dlprefiles " $arg" - fi - prev= - continue - ;; - esac - ;; - expsyms) - export_symbols="$arg" - test -f "$arg" \ - || func_fatal_error "symbol file \`$arg' does not exist" - prev= - continue - ;; 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then - # Prepend the subdirectory the object is found in. - pic_object="$xdir$pic_object" - - if test "$prev" = dlfiles; then - if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then - func_append dlfiles " $pic_object" - prev= - continue - else - # If libtool objects are unsupported, then we need to preload. - prev=dlprefiles - fi - fi - - # CHECK ME: I think I busted this. -Ossama - if test "$prev" = dlprefiles; then - # Preload the old-style object. - func_append dlprefiles " $pic_object" - prev= - fi - - # A PIC object. - func_append libobjs " $pic_object" - arg="$pic_object" - fi - - # Non-PIC object. - if test "$non_pic_object" != none; then - # Prepend the subdirectory the object is found in. - non_pic_object="$xdir$non_pic_object" - - # A standard non-PIC object - func_append non_pic_objects " $non_pic_object" - if test -z "$pic_object" || test "$pic_object" = none ; then - arg="$non_pic_object" - fi - else - # If the PIC object exists, use it instead. - # $xdir was prepended to $pic_object above. - non_pic_object="$pic_object" - func_append non_pic_objects " $non_pic_object" - fi - else - # Only an error if not doing a dry-run. - if $opt_dry_run; then - # Extract subdirectory from the argument. - func_dirname "$arg" "/" "" - xdir="$func_dirname_result" - - func_lo2o "$arg" - pic_object=$xdir$objdir/$func_lo2o_result - non_pic_object=$xdir$func_lo2o_result - func_append libobjs " $pic_object" - func_append non_pic_objects " $non_pic_object" - else - func_fatal_error "\`$arg' is not a valid libtool object" - fi - fi - done - else - func_fatal_error "link input file \`$arg' does not exist" - fi - arg=$save_arg - prev= - continue - ;; - precious_regex) - precious_files_regex="$arg" - prev= - continue - ;; - release) - release="-$arg" - prev= - continue - ;; - rpath | xrpath) - # We need an absolute path. - case $arg in - [\\/]* | [A-Za-z]:[\\/]*) ;; - *) - func_fatal_error "only absolute run-paths are allowed" - ;; - esac - if test "$prev" = rpath; then - case "$rpath " in - *" $arg "*) ;; - *) func_append rpath " $arg" ;; - esac - else - case "$xrpath " in - *" $arg "*) ;; - *) func_append xrpath " $arg" ;; - esac - fi - prev= - continue - ;; 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- - -allow-undefined) - # FIXME: remove this flag sometime in the future. - func_fatal_error "\`-allow-undefined' must not be used because it is the default" - ;; - - -avoid-version) - avoid_version=yes - continue - ;; - - -bindir) - prev=bindir - continue - ;; - - -dlopen) - prev=dlfiles - continue - ;; - - -dlpreopen) - prev=dlprefiles - continue - ;; - - -export-dynamic) - export_dynamic=yes - continue - ;; - - -export-symbols | -export-symbols-regex) - if test -n "$export_symbols" || test -n "$export_symbols_regex"; then - func_fatal_error "more than one -exported-symbols argument is not allowed" - fi - if test "X$arg" = "X-export-symbols"; then - prev=expsyms - else - prev=expsyms_regex - fi - continue - ;; - - -framework) - prev=framework - continue - ;; - - -inst-prefix-dir) - prev=inst_prefix - continue - ;; - - # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* - # so, if we see these flags be careful not to treat them like -L - -L[A-Z][A-Z]*:*) - case $with_gcc/$host in - no/*-*-irix* | /*-*-irix*) - func_append compile_command " $arg" - func_append finalize_command " $arg" - ;; 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It would break on at least - # Digital Unix and AIX. - continue - ;; - - -thread-safe) - thread_safe=yes - continue - ;; - - -version-info) - prev=vinfo - continue - ;; - - -version-number) - prev=vinfo - vinfo_number=yes - continue - ;; - - -weak) - prev=weak - continue - ;; - - -Wc,*) - func_stripname '-Wc,' '' "$arg" - args=$func_stripname_result - arg= - save_ifs="$IFS"; IFS=',' - for flag in $args; do - IFS="$save_ifs" - func_quote_for_eval "$flag" - func_append arg " $func_quote_for_eval_result" - func_append compiler_flags " $func_quote_for_eval_result" - done - IFS="$save_ifs" - func_stripname ' ' '' "$arg" - arg=$func_stripname_result - ;; - - -Wl,*) - func_stripname '-Wl,' '' "$arg" - args=$func_stripname_result - arg= - save_ifs="$IFS"; IFS=',' - for flag in $args; do - IFS="$save_ifs" - func_quote_for_eval "$flag" - func_append arg " $wl$func_quote_for_eval_result" - func_append compiler_flags " $wl$func_quote_for_eval_result" - func_append linker_flags " $func_quote_for_eval_result" - done - IFS="$save_ifs" - func_stripname ' ' '' "$arg" - arg=$func_stripname_result - ;; - - -Xcompiler) - prev=xcompiler - continue - ;; - - -Xlinker) - prev=xlinker - continue - ;; - - -XCClinker) - prev=xcclinker - continue - ;; - - # -msg_* for osf cc - -msg_*) - func_quote_for_eval "$arg" - arg="$func_quote_for_eval_result" - ;; - - # Flags to be passed through unchanged, with rationale: - # -64, -mips[0-9] enable 64-bit mode for the SGI compiler - # -r[0-9][0-9]* specify processor for the SGI compiler - # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler - # +DA*, +DD* enable 64-bit mode for the HP compiler - # -q* compiler args for the IBM compiler - # -m*, -t[45]*, -txscale* architecture-specific flags for GCC - # -F/path path to uninstalled frameworks, gcc on darwin - # -p, -pg, --coverage, -fprofile-* profiling flags for GCC - # @file GCC response files - # -tp=* Portland pgcc target processor selection - # --sysroot=* for sysroot support - # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization - -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ - -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ - -O*|-flto*|-fwhopr*|-fuse-linker-plugin) - func_quote_for_eval "$arg" - arg="$func_quote_for_eval_result" - func_append compile_command " $arg" - func_append finalize_command " $arg" - func_append compiler_flags " $arg" - continue - ;; - - # Some other compiler flag. - -* | +*) - func_quote_for_eval "$arg" - arg="$func_quote_for_eval_result" - ;; - - *.$objext) - # A standard object. - func_append objs " $arg" - ;; - - *.lo) - # A libtool-controlled object. - - # Check to see that this really is a libtool object. - if func_lalib_unsafe_p "$arg"; then - pic_object= - non_pic_object= - - # Read the .lo file - func_source "$arg" - - if test -z "$pic_object" || - test -z "$non_pic_object" || - test "$pic_object" = none && - test "$non_pic_object" = none; then - func_fatal_error "cannot find name of object for \`$arg'" - fi - - # Extract subdirectory from the argument. - func_dirname "$arg" "/" "" - xdir="$func_dirname_result" - - if test "$pic_object" != none; then - # Prepend the subdirectory the object is found in. - pic_object="$xdir$pic_object" - - if test "$prev" = dlfiles; then - if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then - func_append dlfiles " $pic_object" - prev= - continue - else - # If libtool objects are unsupported, then we need to preload. - prev=dlprefiles - fi - fi - - # CHECK ME: I think I busted this. -Ossama - if test "$prev" = dlprefiles; then - # Preload the old-style object. - func_append dlprefiles " $pic_object" - prev= - fi - - # A PIC object. - func_append libobjs " $pic_object" - arg="$pic_object" - fi - - # Non-PIC object. - if test "$non_pic_object" != none; then - # Prepend the subdirectory the object is found in. - non_pic_object="$xdir$non_pic_object" - - # A standard non-PIC object - func_append non_pic_objects " $non_pic_object" - if test -z "$pic_object" || test "$pic_object" = none ; then - arg="$non_pic_object" - fi - else - # If the PIC object exists, use it instead. - # $xdir was prepended to $pic_object above. - non_pic_object="$pic_object" - func_append non_pic_objects " $non_pic_object" - fi - else - # Only an error if not doing a dry-run. - if $opt_dry_run; then - # Extract subdirectory from the argument. - func_dirname "$arg" "/" "" - xdir="$func_dirname_result" - - func_lo2o "$arg" - pic_object=$xdir$objdir/$func_lo2o_result - non_pic_object=$xdir$func_lo2o_result - func_append libobjs " $pic_object" - func_append non_pic_objects " $non_pic_object" - else - func_fatal_error "\`$arg' is not a valid libtool object" - fi - fi - ;; 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then - eval arg=\"$export_dynamic_flag_spec\" - func_append compile_command " $arg" - func_append finalize_command " $arg" - fi - - oldlibs= - # calculate the name of the file, without its directory - func_basename "$output" - outputname="$func_basename_result" - libobjs_save="$libobjs" - - if test -n "$shlibpath_var"; then - # get the directories listed in $shlibpath_var - eval shlib_search_path=\`\$ECHO \"\${$shlibpath_var}\" \| \$SED \'s/:/ /g\'\` - else - shlib_search_path= - fi - eval sys_lib_search_path=\"$sys_lib_search_path_spec\" - eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" - - func_dirname "$output" "/" "" - output_objdir="$func_dirname_result$objdir" - func_to_tool_file "$output_objdir/" - tool_output_objdir=$func_to_tool_file_result - # Create the object directory. - func_mkdir_p "$output_objdir" - - # Determine the type of output - case $output in - "") - func_fatal_help "you must specify an output file" - ;; - *.$libext) linkmode=oldlib ;; - *.lo | *.$objext) linkmode=obj ;; 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do - case $file in - *.la) ;; - *) - func_fatal_help "libraries can \`-dlopen' only libtool libraries: $file" - ;; - esac - done - ;; - prog) - compile_deplibs= - finalize_deplibs= - alldeplibs=no - newdlfiles= - newdlprefiles= - passes="conv scan dlopen dlpreopen link" - ;; - *) passes="conv" - ;; - esac - - for pass in $passes; do - # The preopen pass in lib mode reverses $deplibs; put it back here - # so that -L comes before libs that need it for instance... - if test "$linkmode,$pass" = "lib,link"; then - ## FIXME: Find the place where the list is rebuilt in the wrong - ## order, and fix it there properly - tmp_deplibs= - for deplib in $deplibs; do - tmp_deplibs="$deplib $tmp_deplibs" - done - deplibs="$tmp_deplibs" - fi - - if test "$linkmode,$pass" = "lib,link" || - test "$linkmode,$pass" = "prog,scan"; then - libs="$deplibs" - deplibs= - fi - if test "$linkmode" = prog; then - case $pass in - dlopen) libs="$dlfiles" ;; - dlpreopen) libs="$dlprefiles" ;; - link) libs="$deplibs %DEPLIBS% $dependency_libs" ;; - esac - fi - if test "$linkmode,$pass" = "lib,dlpreopen"; then - # Collect and forward deplibs of preopened libtool libs - for lib in $dlprefiles; do - # Ignore non-libtool-libs - dependency_libs= - func_resolve_sysroot "$lib" - case $lib in - *.la) func_source "$func_resolve_sysroot_result" ;; - esac - - # Collect preopened libtool deplibs, except any this library - # has declared as weak libs - for deplib in $dependency_libs; do - func_basename "$deplib" - deplib_base=$func_basename_result - case " $weak_libs " in - *" $deplib_base "*) ;; - *) func_append deplibs " $deplib" ;; - esac - done - done - libs="$dlprefiles" - fi - if test "$pass" = dlopen; then - # Collect dlpreopened libraries - save_deplibs="$deplibs" - deplibs= - fi - - for deplib in $libs; do - lib= - found=no - case $deplib in - -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ - |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) - if test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - func_append compiler_flags " $deplib" - if test "$linkmode" = lib ; then - case "$new_inherited_linker_flags " in - *" $deplib "*) ;; - * ) func_append new_inherited_linker_flags " $deplib" ;; - esac - fi - fi - continue - ;; - -l*) - if test "$linkmode" != lib && test "$linkmode" != prog; then - func_warning "\`-l' is ignored for archives/objects" - continue - fi - func_stripname '-l' '' "$deplib" - name=$func_stripname_result - if test "$linkmode" = lib; then - searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" - else - searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" - fi - for searchdir in $searchdirs; do - for search_ext in .la $std_shrext .so .a; do - # Search the libtool library - lib="$searchdir/lib${name}${search_ext}" - if test -f "$lib"; then - if test "$search_ext" = ".la"; then - found=yes - else - found=no - fi - break 2 - fi - done - done - if test "$found" != yes; then - # deplib doesn't seem to be a libtool library - if test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - deplibs="$deplib $deplibs" - test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" - fi - continue - else # deplib is a libtool library - # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, - # We need to do some special things here, and not later. - if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then - case " $predeps $postdeps " in - *" $deplib "*) - if func_lalib_p "$lib"; then - library_names= - old_library= - func_source "$lib" - for l in $old_library $library_names; do - ll="$l" - done - if test "X$ll" = "X$old_library" ; then # only static version available - found=no - func_dirname "$lib" "" "." - ladir="$func_dirname_result" - lib=$ladir/$old_library - if test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - deplibs="$deplib $deplibs" - test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" - fi - continue - fi - fi - ;; - *) ;; - esac - fi - fi - ;; # -l - *.ltframework) - if test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - deplibs="$deplib $deplibs" - if test "$linkmode" = lib ; then - case "$new_inherited_linker_flags " in - *" $deplib "*) ;; - * ) func_append new_inherited_linker_flags " $deplib" ;; - esac - fi - fi - continue - ;; - -L*) - case $linkmode in - lib) - deplibs="$deplib $deplibs" - test "$pass" = conv && continue - newdependency_libs="$deplib $newdependency_libs" - func_stripname '-L' '' "$deplib" - func_resolve_sysroot "$func_stripname_result" - func_append newlib_search_path " $func_resolve_sysroot_result" - ;; - prog) - if test "$pass" = conv; then - deplibs="$deplib $deplibs" - continue - fi - if test "$pass" = scan; then - deplibs="$deplib $deplibs" - else - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - fi - func_stripname '-L' '' "$deplib" - func_resolve_sysroot "$func_stripname_result" - func_append newlib_search_path " $func_resolve_sysroot_result" - ;; - *) - func_warning "\`-L' is ignored for archives/objects" - ;; - esac # linkmode - continue - ;; # -L - -R*) - if test "$pass" = link; then - func_stripname '-R' '' "$deplib" - func_resolve_sysroot "$func_stripname_result" - dir=$func_resolve_sysroot_result - # Make sure the xrpath contains only unique directories. - case "$xrpath " in - *" $dir "*) ;; - *) func_append xrpath " $dir" ;; - esac - fi - deplibs="$deplib $deplibs" - continue - ;; - *.la) - func_resolve_sysroot "$deplib" - lib=$func_resolve_sysroot_result - ;; - *.$libext) - if test "$pass" = conv; then - deplibs="$deplib $deplibs" - continue - fi - case $linkmode in - lib) - # Linking convenience modules into shared libraries is allowed, - # but linking other static libraries is non-portable. - case " $dlpreconveniencelibs " in - *" $deplib "*) ;; - *) - valid_a_lib=no - case $deplibs_check_method in - match_pattern*) - set dummy $deplibs_check_method; shift - match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` - if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ - | $EGREP "$match_pattern_regex" > /dev/null; then - valid_a_lib=yes - fi - ;; - pass_all) - valid_a_lib=yes - ;; - esac - if test "$valid_a_lib" != yes; then - echo - $ECHO "*** Warning: Trying to link with static lib archive $deplib." - echo "*** I have the capability to make that library automatically link in when" - echo "*** you link to this library. But I can only do this if you have a" - echo "*** shared version of the library, which you do not appear to have" - echo "*** because the file extensions .$libext of this argument makes me believe" - echo "*** that it is just a static archive that I should not use here." - else - echo - $ECHO "*** Warning: Linking the shared library $output against the" - $ECHO "*** static library $deplib is not portable!" - deplibs="$deplib $deplibs" - fi - ;; - esac - continue - ;; - prog) - if test "$pass" != link; then - deplibs="$deplib $deplibs" - else - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - fi - continue - ;; - esac # linkmode - ;; # *.$libext - *.lo | *.$objext) - if test "$pass" = conv; then - deplibs="$deplib $deplibs" - elif test "$linkmode" = prog; then - if test "$pass" = dlpreopen || test "$dlopen_support" != yes || test "$build_libtool_libs" = no; then - # If there is no dlopen support or we're linking statically, - # we need to preload. - func_append newdlprefiles " $deplib" - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - func_append newdlfiles " $deplib" - fi - fi - continue - ;; - %DEPLIBS%) - alldeplibs=yes - continue - ;; - esac # case $deplib - - if test "$found" = yes || test -f "$lib"; then : - else - func_fatal_error "cannot find the library \`$lib' or unhandled argument \`$deplib'" - fi - - # Check to see that this really is a libtool archive. - func_lalib_unsafe_p "$lib" \ - || func_fatal_error "\`$lib' is not a valid libtool archive" - - func_dirname "$lib" "" "." - ladir="$func_dirname_result" - - dlname= - dlopen= - dlpreopen= - libdir= - library_names= - old_library= - inherited_linker_flags= - # If the library was installed with an old release of libtool, - # it will not redefine variables installed, or shouldnotlink - installed=yes - shouldnotlink=no - avoidtemprpath= - - - # Read the .la file - func_source "$lib" - - # Convert "-framework foo" to "foo.ltframework" - if test -n "$inherited_linker_flags"; then - tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` - for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do - case " $new_inherited_linker_flags " in - *" $tmp_inherited_linker_flag "*) ;; - *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; - esac - done - fi - dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - if test "$linkmode,$pass" = "lib,link" || - test "$linkmode,$pass" = "prog,scan" || - { test "$linkmode" != prog && test "$linkmode" != lib; }; then - test -n "$dlopen" && func_append dlfiles " $dlopen" - test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" - fi - - if test "$pass" = conv; then - # Only check for convenience libraries - deplibs="$lib $deplibs" - if test -z "$libdir"; then - if test -z "$old_library"; then - func_fatal_error "cannot find name of link library for \`$lib'" - fi - # It is a libtool convenience library, so add in its objects. - func_append convenience " $ladir/$objdir/$old_library" - func_append old_convenience " $ladir/$objdir/$old_library" - elif test "$linkmode" != prog && test "$linkmode" != lib; then - func_fatal_error "\`$lib' is not a convenience library" - fi - tmp_libs= - for deplib in $dependency_libs; do - deplibs="$deplib $deplibs" - if $opt_preserve_dup_deps ; then - case "$tmp_libs " in - *" $deplib "*) func_append specialdeplibs " $deplib" ;; - esac - fi - func_append tmp_libs " $deplib" - done - continue - fi # $pass = conv - - - # Get the name of the library we link against. - linklib= - if test -n "$old_library" && - { test "$prefer_static_libs" = yes || - test "$prefer_static_libs,$installed" = "built,no"; }; then - linklib=$old_library - else - for l in $old_library $library_names; do - linklib="$l" - done - fi - if test -z "$linklib"; then - func_fatal_error "cannot find name of link library for \`$lib'" - fi - - # This library was specified with -dlopen. - if test "$pass" = dlopen; then - if test -z "$libdir"; then - func_fatal_error "cannot -dlopen a convenience library: \`$lib'" - fi - if test -z "$dlname" || - test "$dlopen_support" != yes || - test "$build_libtool_libs" = no; then - # If there is no dlname, no dlopen support or we're linking - # statically, we need to preload. We also need to preload any - # dependent libraries so libltdl's deplib preloader doesn't - # bomb out in the load deplibs phase. - func_append dlprefiles " $lib $dependency_libs" - else - func_append newdlfiles " $lib" - fi - continue - fi # $pass = dlopen - - # We need an absolute path. - case $ladir in - [\\/]* | [A-Za-z]:[\\/]*) abs_ladir="$ladir" ;; - *) - abs_ladir=`cd "$ladir" && pwd` - if test -z "$abs_ladir"; then - func_warning "cannot determine absolute directory name of \`$ladir'" - func_warning "passing it literally to the linker, although it might fail" - abs_ladir="$ladir" - fi - ;; - esac - func_basename "$lib" - laname="$func_basename_result" - - # Find the relevant object directory and library name. - if test "X$installed" = Xyes; then - if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then - func_warning "library \`$lib' was moved." - dir="$ladir" - absdir="$abs_ladir" - libdir="$abs_ladir" - else - dir="$lt_sysroot$libdir" - absdir="$lt_sysroot$libdir" - fi - test "X$hardcode_automatic" = Xyes && avoidtemprpath=yes - else - if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then - dir="$ladir" - absdir="$abs_ladir" - # Remove this search path later - func_append notinst_path " $abs_ladir" - else - dir="$ladir/$objdir" - absdir="$abs_ladir/$objdir" - # Remove this search path later - func_append notinst_path " $abs_ladir" - fi - fi # $installed = yes - func_stripname 'lib' '.la' "$laname" - name=$func_stripname_result - - # This library was specified with -dlpreopen. - if test "$pass" = dlpreopen; then - if test -z "$libdir" && test "$linkmode" = prog; then - func_fatal_error "only libraries may -dlpreopen a convenience library: \`$lib'" - fi - case "$host" in - # special handling for platforms with PE-DLLs. - *cygwin* | *mingw* | *cegcc* ) - # Linker will automatically link against shared library if both - # static and shared are present. Therefore, ensure we extract - # symbols from the import library if a shared library is present - # (otherwise, the dlopen module name will be incorrect). We do - # this by putting the import library name into $newdlprefiles. - # We recover the dlopen module name by 'saving' the la file - # name in a special purpose variable, and (later) extracting the - # dlname from the la file. - if test -n "$dlname"; then - func_tr_sh "$dir/$linklib" - eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" - func_append newdlprefiles " $dir/$linklib" - else - func_append newdlprefiles " $dir/$old_library" - # Keep a list of preopened convenience libraries to check - # that they are being used correctly in the link pass. - test -z "$libdir" && \ - func_append dlpreconveniencelibs " $dir/$old_library" - fi - ;; - * ) - # Prefer using a static library (so that no silly _DYNAMIC symbols - # are required to link). - if test -n "$old_library"; then - func_append newdlprefiles " $dir/$old_library" - # Keep a list of preopened convenience libraries to check - # that they are being used correctly in the link pass. - test -z "$libdir" && \ - func_append dlpreconveniencelibs " $dir/$old_library" - # Otherwise, use the dlname, so that lt_dlopen finds it. - elif test -n "$dlname"; then - func_append newdlprefiles " $dir/$dlname" - else - func_append newdlprefiles " $dir/$linklib" - fi - ;; - esac - fi # $pass = dlpreopen - - if test -z "$libdir"; then - # Link the convenience library - if test "$linkmode" = lib; then - deplibs="$dir/$old_library $deplibs" - elif test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$dir/$old_library $compile_deplibs" - finalize_deplibs="$dir/$old_library $finalize_deplibs" - else - deplibs="$lib $deplibs" # used for prog,scan pass - fi - continue - fi - - - if test "$linkmode" = prog && test "$pass" != link; then - func_append newlib_search_path " $ladir" - deplibs="$lib $deplibs" - - linkalldeplibs=no - if test "$link_all_deplibs" != no || test -z "$library_names" || - test "$build_libtool_libs" = no; then - linkalldeplibs=yes - fi - - tmp_libs= - for deplib in $dependency_libs; do - case $deplib in - -L*) func_stripname '-L' '' "$deplib" - func_resolve_sysroot "$func_stripname_result" - func_append newlib_search_path " $func_resolve_sysroot_result" - ;; - esac - # Need to link against all dependency_libs? - if test "$linkalldeplibs" = yes; then - deplibs="$deplib $deplibs" - else - # Need to hardcode shared library paths - # or/and link against static libraries - newdependency_libs="$deplib $newdependency_libs" - fi - if $opt_preserve_dup_deps ; then - case "$tmp_libs " in - *" $deplib "*) func_append specialdeplibs " $deplib" ;; - esac - fi - func_append tmp_libs " $deplib" - done # for deplib - continue - fi # $linkmode = prog... - - if test "$linkmode,$pass" = "prog,link"; then - if test -n "$library_names" && - { { test "$prefer_static_libs" = no || - test "$prefer_static_libs,$installed" = "built,yes"; } || - test -z "$old_library"; }; then - # We need to hardcode the library path - if test -n "$shlibpath_var" && test -z "$avoidtemprpath" ; then - # Make sure the rpath contains only unique directories. - case "$temp_rpath:" in - *"$absdir:"*) ;; - *) func_append temp_rpath "$absdir:" ;; - esac - fi - - # Hardcode the library path. - # Skip directories that are in the system default run-time - # search path. - case " $sys_lib_dlsearch_path " in - *" $absdir "*) ;; - *) - case "$compile_rpath " in - *" $absdir "*) ;; - *) func_append compile_rpath " $absdir" ;; - esac - ;; - esac - case " $sys_lib_dlsearch_path " in - *" $libdir "*) ;; - *) - case "$finalize_rpath " in - *" $libdir "*) ;; - *) func_append finalize_rpath " $libdir" ;; - esac - ;; - esac - fi # $linkmode,$pass = prog,link... - - if test "$alldeplibs" = yes && - { test "$deplibs_check_method" = pass_all || - { test "$build_libtool_libs" = yes && - test -n "$library_names"; }; }; then - # We only need to search for static libraries - continue - fi - fi - - link_static=no # Whether the deplib will be linked statically - use_static_libs=$prefer_static_libs - if test "$use_static_libs" = built && test "$installed" = yes; then - use_static_libs=no - fi - if test -n "$library_names" && - { test "$use_static_libs" = no || test -z "$old_library"; }; then - case $host in - *cygwin* | *mingw* | *cegcc*) - # No point in relinking DLLs because paths are not encoded - func_append notinst_deplibs " $lib" - need_relink=no - ;; - *) - if test "$installed" = no; then - func_append notinst_deplibs " $lib" - need_relink=yes - fi - ;; - esac - # This is a shared library - - # Warn about portability, can't link against -module's on some - # systems (darwin). Don't bleat about dlopened modules though! - dlopenmodule="" - for dlpremoduletest in $dlprefiles; do - if test "X$dlpremoduletest" = "X$lib"; then - dlopenmodule="$dlpremoduletest" - break - fi - done - if test -z "$dlopenmodule" && test "$shouldnotlink" = yes && test "$pass" = link; then - echo - if test "$linkmode" = prog; then - $ECHO "*** Warning: Linking the executable $output against the loadable module" - else - $ECHO "*** Warning: Linking the shared library $output against the loadable module" - fi - $ECHO "*** $linklib is not portable!" - fi - if test "$linkmode" = lib && - test "$hardcode_into_libs" = yes; then - # Hardcode the library path. - # Skip directories that are in the system default run-time - # search path. - case " $sys_lib_dlsearch_path " in - *" $absdir "*) ;; - *) - case "$compile_rpath " in - *" $absdir "*) ;; - *) func_append compile_rpath " $absdir" ;; - esac - ;; - esac - case " $sys_lib_dlsearch_path " in - *" $libdir "*) ;; - *) - case "$finalize_rpath " in - *" $libdir "*) ;; - *) func_append finalize_rpath " $libdir" ;; - esac - ;; - esac - fi - - if test -n "$old_archive_from_expsyms_cmds"; then - # figure out the soname - set dummy $library_names - shift - realname="$1" - shift - libname=`eval "\\$ECHO \"$libname_spec\""` - # use dlname if we got it. it's perfectly good, no? - if test -n "$dlname"; then - soname="$dlname" - elif test -n "$soname_spec"; then - # bleh windows - case $host in - *cygwin* | mingw* | *cegcc*) - func_arith $current - $age - major=$func_arith_result - versuffix="-$major" - ;; - esac - eval soname=\"$soname_spec\" - else - soname="$realname" - fi - - # Make a new name for the extract_expsyms_cmds to use - soroot="$soname" - func_basename "$soroot" - soname="$func_basename_result" - func_stripname 'lib' '.dll' "$soname" - newlib=libimp-$func_stripname_result.a - - # If the library has no export list, then create one now - if test -f "$output_objdir/$soname-def"; then : - else - func_verbose "extracting exported symbol list from \`$soname'" - func_execute_cmds "$extract_expsyms_cmds" 'exit $?' - fi - - # Create $newlib - if test -f "$output_objdir/$newlib"; then :; else - func_verbose "generating import library for \`$soname'" - func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' - fi - # make sure the library variables are pointing to the new library - dir=$output_objdir - linklib=$newlib - fi # test -n "$old_archive_from_expsyms_cmds" - - if test "$linkmode" = prog || test "$opt_mode" != relink; then - add_shlibpath= - add_dir= - add= - lib_linked=yes - case $hardcode_action in - immediate | unsupported) - if test "$hardcode_direct" = no; then - add="$dir/$linklib" - case $host in - *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; - *-*-sysv4*uw2*) add_dir="-L$dir" ;; - *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ - *-*-unixware7*) add_dir="-L$dir" ;; - *-*-darwin* ) - # if the lib is a (non-dlopened) module then we can not - # link against it, someone is ignoring the earlier warnings - if /usr/bin/file -L $add 2> /dev/null | - $GREP ": [^:]* bundle" >/dev/null ; then - if test "X$dlopenmodule" != "X$lib"; then - $ECHO "*** Warning: lib $linklib is a module, not a shared library" - if test -z "$old_library" ; then - echo - echo "*** And there doesn't seem to be a static archive available" - echo "*** The link will probably fail, sorry" - else - add="$dir/$old_library" - fi - elif test -n "$old_library"; then - add="$dir/$old_library" - fi - fi - esac - elif test "$hardcode_minus_L" = no; then - case $host in - *-*-sunos*) add_shlibpath="$dir" ;; - esac - add_dir="-L$dir" - add="-l$name" - elif test "$hardcode_shlibpath_var" = no; then - add_shlibpath="$dir" - add="-l$name" - else - lib_linked=no - fi - ;; - relink) - if test "$hardcode_direct" = yes && - test "$hardcode_direct_absolute" = no; then - add="$dir/$linklib" - elif test "$hardcode_minus_L" = yes; then - add_dir="-L$absdir" - # Try looking first in the location we're being installed to. - if test -n "$inst_prefix_dir"; then - case $libdir in - [\\/]*) - func_append add_dir " -L$inst_prefix_dir$libdir" - ;; - esac - fi - add="-l$name" - elif test "$hardcode_shlibpath_var" = yes; then - add_shlibpath="$dir" - add="-l$name" - else - lib_linked=no - fi - ;; - *) lib_linked=no ;; - esac - - if test "$lib_linked" != yes; then - func_fatal_configuration "unsupported hardcode properties" - fi - - if test -n "$add_shlibpath"; then - case :$compile_shlibpath: in - *":$add_shlibpath:"*) ;; - *) func_append compile_shlibpath "$add_shlibpath:" ;; - esac - fi - if test "$linkmode" = prog; then - test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" - test -n "$add" && compile_deplibs="$add $compile_deplibs" - else - test -n "$add_dir" && deplibs="$add_dir $deplibs" - test -n "$add" && deplibs="$add $deplibs" - if test "$hardcode_direct" != yes && - test "$hardcode_minus_L" != yes && - test "$hardcode_shlibpath_var" = yes; then - case :$finalize_shlibpath: in - *":$libdir:"*) ;; - *) func_append finalize_shlibpath "$libdir:" ;; - esac - fi - fi - fi - - if test "$linkmode" = prog || test "$opt_mode" = relink; then - add_shlibpath= - add_dir= - add= - # Finalize command for both is simple: just hardcode it. - if test "$hardcode_direct" = yes && - test "$hardcode_direct_absolute" = no; then - add="$libdir/$linklib" - elif test "$hardcode_minus_L" = yes; then - add_dir="-L$libdir" - add="-l$name" - elif test "$hardcode_shlibpath_var" = yes; then - case :$finalize_shlibpath: in - *":$libdir:"*) ;; - *) func_append finalize_shlibpath "$libdir:" ;; - esac - add="-l$name" - elif test "$hardcode_automatic" = yes; then - if test -n "$inst_prefix_dir" && - test -f "$inst_prefix_dir$libdir/$linklib" ; then - add="$inst_prefix_dir$libdir/$linklib" - else - add="$libdir/$linklib" - fi - else - # We cannot seem to hardcode it, guess we'll fake it. - add_dir="-L$libdir" - # Try looking first in the location we're being installed to. - if test -n "$inst_prefix_dir"; then - case $libdir in - [\\/]*) - func_append add_dir " -L$inst_prefix_dir$libdir" - ;; - esac - fi - add="-l$name" - fi - - if test "$linkmode" = prog; then - test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" - test -n "$add" && finalize_deplibs="$add $finalize_deplibs" - else - test -n "$add_dir" && deplibs="$add_dir $deplibs" - test -n "$add" && deplibs="$add $deplibs" - fi - fi - elif test "$linkmode" = prog; then - # Here we assume that one of hardcode_direct or hardcode_minus_L - # is not unsupported. This is valid on all known static and - # shared platforms. - if test "$hardcode_direct" != unsupported; then - test -n "$old_library" && linklib="$old_library" - compile_deplibs="$dir/$linklib $compile_deplibs" - finalize_deplibs="$dir/$linklib $finalize_deplibs" - else - compile_deplibs="-l$name -L$dir $compile_deplibs" - finalize_deplibs="-l$name -L$dir $finalize_deplibs" - fi - elif test "$build_libtool_libs" = yes; then - # Not a shared library - if test "$deplibs_check_method" != pass_all; then - # We're trying link a shared library against a static one - # but the system doesn't support it. - - # Just print a warning and add the library to dependency_libs so - # that the program can be linked against the static library. - echo - $ECHO "*** Warning: This system can not link to static lib archive $lib." - echo "*** I have the capability to make that library automatically link in when" - echo "*** you link to this library. But I can only do this if you have a" - echo "*** shared version of the library, which you do not appear to have." - if test "$module" = yes; then - echo "*** But as you try to build a module library, libtool will still create " - echo "*** a static module, that should work as long as the dlopening application" - echo "*** is linked with the -dlopen flag to resolve symbols at runtime." - if test -z "$global_symbol_pipe"; then - echo - echo "*** However, this would only work if libtool was able to extract symbol" - echo "*** lists from a program, using \`nm' or equivalent, but libtool could" - echo "*** not find such a program. So, this module is probably useless." - echo "*** \`nm' from GNU binutils and a full rebuild may help." - fi - if test "$build_old_libs" = no; then - build_libtool_libs=module - build_old_libs=yes - else - build_libtool_libs=no - fi - fi - else - deplibs="$dir/$old_library $deplibs" - link_static=yes - fi - fi # link shared/static library? - - if test "$linkmode" = lib; then - if test -n "$dependency_libs" && - { test "$hardcode_into_libs" != yes || - test "$build_old_libs" = yes || - test "$link_static" = yes; }; then - # Extract -R from dependency_libs - temp_deplibs= - for libdir in $dependency_libs; do - case $libdir in - -R*) func_stripname '-R' '' "$libdir" - temp_xrpath=$func_stripname_result - case " $xrpath " in - *" $temp_xrpath "*) ;; - *) func_append xrpath " $temp_xrpath";; - esac;; - *) func_append temp_deplibs " $libdir";; - esac - done - dependency_libs="$temp_deplibs" - fi - - func_append newlib_search_path " $absdir" - # Link against this library - test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" - # ... and its dependency_libs - tmp_libs= - for deplib in $dependency_libs; do - newdependency_libs="$deplib $newdependency_libs" - case $deplib in - -L*) func_stripname '-L' '' "$deplib" - func_resolve_sysroot "$func_stripname_result";; - *) func_resolve_sysroot "$deplib" ;; - esac - if $opt_preserve_dup_deps ; then - case "$tmp_libs " in - *" $func_resolve_sysroot_result "*) - func_append specialdeplibs " $func_resolve_sysroot_result" ;; - esac - fi - func_append tmp_libs " $func_resolve_sysroot_result" - done - - if test "$link_all_deplibs" != no; then - # Add the search paths of all dependency libraries - for deplib in $dependency_libs; do - path= - case $deplib in - -L*) path="$deplib" ;; - *.la) - func_resolve_sysroot "$deplib" - deplib=$func_resolve_sysroot_result - func_dirname "$deplib" "" "." - dir=$func_dirname_result - # We need an absolute path. - case $dir in - [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; - *) - absdir=`cd "$dir" && pwd` - if test -z "$absdir"; then - func_warning "cannot determine absolute directory name of \`$dir'" - absdir="$dir" - fi - ;; - esac - if $GREP "^installed=no" $deplib > /dev/null; then - case $host in - *-*-darwin*) - depdepl= - eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` - if test -n "$deplibrary_names" ; then - for tmp in $deplibrary_names ; do - depdepl=$tmp - done - if test -f "$absdir/$objdir/$depdepl" ; then - depdepl="$absdir/$objdir/$depdepl" - darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` - if test -z "$darwin_install_name"; then - darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` - fi - func_append compiler_flags " ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" - func_append linker_flags " -dylib_file ${darwin_install_name}:${depdepl}" - path= - fi - fi - ;; - *) - path="-L$absdir/$objdir" - ;; - esac - else - eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` - test -z "$libdir" && \ - func_fatal_error "\`$deplib' is not a valid libtool archive" - test "$absdir" != "$libdir" && \ - func_warning "\`$deplib' seems to be moved" - - path="-L$absdir" - fi - ;; - esac - case " $deplibs " in - *" $path "*) ;; - *) deplibs="$path $deplibs" ;; - esac - done - fi # link_all_deplibs != no - fi # linkmode = lib - done # for deplib in $libs - if test "$pass" = link; then - if test "$linkmode" = "prog"; then - compile_deplibs="$new_inherited_linker_flags $compile_deplibs" - finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" - else - compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - fi - fi - dependency_libs="$newdependency_libs" - if test "$pass" = dlpreopen; then - # Link the dlpreopened libraries before other libraries - for deplib in $save_deplibs; do - deplibs="$deplib $deplibs" - done - fi - if test "$pass" != dlopen; then - if test "$pass" != conv; then - # Make sure lib_search_path contains only unique directories. - lib_search_path= - for dir in $newlib_search_path; do - case "$lib_search_path " in - *" $dir "*) ;; - *) func_append lib_search_path " $dir" ;; - esac - done - newlib_search_path= - fi - - if test "$linkmode,$pass" != "prog,link"; then - vars="deplibs" - else - vars="compile_deplibs finalize_deplibs" - fi - for var in $vars dependency_libs; do - # Add libraries to $var in reverse order - eval tmp_libs=\"\$$var\" - new_libs= - for deplib in $tmp_libs; do - # FIXME: Pedantically, this is the right thing to do, so - # that some nasty dependency loop isn't accidentally - # broken: - #new_libs="$deplib $new_libs" - # Pragmatically, this seems to cause very few problems in - # practice: - case $deplib in - -L*) new_libs="$deplib $new_libs" ;; - -R*) ;; - *) - # And here is the reason: when a library appears more - # than once as an explicit dependence of a library, or - # is implicitly linked in more than once by the - # compiler, it is considered special, and multiple - # occurrences thereof are not removed. Compare this - # with having the same library being listed as a - # dependency of multiple other libraries: in this case, - # we know (pedantically, we assume) the library does not - # need to be listed more than once, so we keep only the - # last copy. This is not always right, but it is rare - # enough that we require users that really mean to play - # such unportable linking tricks to link the library - # using -Wl,-lname, so that libtool does not consider it - # for duplicate removal. - case " $specialdeplibs " in - *" $deplib "*) new_libs="$deplib $new_libs" ;; - *) - case " $new_libs " in - *" $deplib "*) ;; - *) new_libs="$deplib $new_libs" ;; - esac - ;; - esac - ;; - esac - done - tmp_libs= - for deplib in $new_libs; do - case $deplib in - -L*) - case " $tmp_libs " in - *" $deplib "*) ;; - *) func_append tmp_libs " $deplib" ;; - esac - ;; - *) func_append tmp_libs " $deplib" ;; - esac - done - eval $var=\"$tmp_libs\" - done # for var - fi - # Last step: remove runtime libs from dependency_libs - # (they stay in deplibs) - tmp_libs= - for i in $dependency_libs ; do - case " $predeps $postdeps $compiler_lib_search_path " in - *" $i "*) - i="" - ;; - esac - if test -n "$i" ; then - func_append tmp_libs " $i" - fi - done - dependency_libs=$tmp_libs - done # for pass - if test "$linkmode" = prog; then - dlfiles="$newdlfiles" - fi - if test "$linkmode" = prog || test "$linkmode" = lib; then - dlprefiles="$newdlprefiles" - fi - - case $linkmode in - oldlib) - if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then - func_warning "\`-dlopen' is ignored for archives" - fi - - case " $deplibs" in - *\ -l* | *\ -L*) - func_warning "\`-l' and \`-L' are ignored for archives" ;; - esac - - test -n "$rpath" && \ - func_warning "\`-rpath' is ignored for archives" - - test -n "$xrpath" && \ - func_warning "\`-R' is ignored for archives" - - test -n "$vinfo" && \ - func_warning "\`-version-info/-version-number' is ignored for archives" - - test -n "$release" && \ - func_warning "\`-release' is ignored for archives" - - test -n "$export_symbols$export_symbols_regex" && \ - func_warning "\`-export-symbols' is ignored for archives" - - # Now set the variables for building old libraries. - build_libtool_libs=no - oldlibs="$output" - func_append objs "$old_deplibs" - ;; - - lib) - # Make sure we only generate libraries of the form `libNAME.la'. - case $outputname in - lib*) - func_stripname 'lib' '.la' "$outputname" - name=$func_stripname_result - eval shared_ext=\"$shrext_cmds\" - eval libname=\"$libname_spec\" - ;; - *) - test "$module" = no && \ - func_fatal_help "libtool library \`$output' must begin with \`lib'" - - if test "$need_lib_prefix" != no; then - # Add the "lib" prefix for modules if required - func_stripname '' '.la' "$outputname" - name=$func_stripname_result - eval shared_ext=\"$shrext_cmds\" - eval libname=\"$libname_spec\" - else - func_stripname '' '.la' "$outputname" - libname=$func_stripname_result - fi - ;; - esac - - if test -n "$objs"; then - if test "$deplibs_check_method" != pass_all; then - func_fatal_error "cannot build libtool library \`$output' from non-libtool objects on this host:$objs" - else - echo - $ECHO "*** Warning: Linking the shared library $output against the non-libtool" - $ECHO "*** objects $objs is not portable!" - func_append libobjs " $objs" - fi - fi - - test "$dlself" != no && \ - func_warning "\`-dlopen self' is ignored for libtool libraries" - - set dummy $rpath - shift - test "$#" -gt 1 && \ - func_warning "ignoring multiple \`-rpath's for a libtool library" - - install_libdir="$1" - - oldlibs= - if test -z "$rpath"; then - if test "$build_libtool_libs" = yes; then - # Building a libtool convenience library. - # Some compilers have problems with a `.al' extension so - # convenience libraries should have the same extension an - # archive normally would. - oldlibs="$output_objdir/$libname.$libext $oldlibs" - build_libtool_libs=convenience - build_old_libs=yes - fi - - test -n "$vinfo" && \ - func_warning "\`-version-info/-version-number' is ignored for convenience libraries" - - test -n "$release" && \ - func_warning "\`-release' is ignored for convenience libraries" - else - - # Parse the version information argument. - save_ifs="$IFS"; IFS=':' - set dummy $vinfo 0 0 0 - shift - IFS="$save_ifs" - - test -n "$7" && \ - func_fatal_help "too many parameters to \`-version-info'" - - # convert absolute version numbers to libtool ages - # this retains compatibility with .la files and attempts - # to make the code below a bit more comprehensible - - case $vinfo_number in - yes) - number_major="$1" - number_minor="$2" - number_revision="$3" - # - # There are really only two kinds -- those that - # use the current revision as the major version - # and those that subtract age and use age as - # a minor version. 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- *) - func_error "REVISION \`$revision' must be a nonnegative integer" - func_fatal_error "\`$vinfo' is not valid version information" - ;; - esac - - case $age in - 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; - *) - func_error "AGE \`$age' must be a nonnegative integer" - func_fatal_error "\`$vinfo' is not valid version information" - ;; - esac - - if test "$age" -gt "$current"; then - func_error "AGE \`$age' is greater than the current interface number \`$current'" - func_fatal_error "\`$vinfo' is not valid version information" - fi - - # Calculate the version variables. - major= - versuffix= - verstring= - case $version_type in - none) ;; - - darwin) - # Like Linux, but with the current version available in - # verstring for coding it into the library header - func_arith $current - $age - major=.$func_arith_result - versuffix="$major.$age.$revision" - # Darwin ld doesn't like 0 for these options... - func_arith $current + 1 - minor_current=$func_arith_result - xlcverstring="${wl}-compatibility_version ${wl}$minor_current ${wl}-current_version ${wl}$minor_current.$revision" - verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" - ;; 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then - # Remove our outputs, but don't remove object files since they - # may have been created when compiling PIC objects. - removelist= - tempremovelist=`$ECHO "$output_objdir/*"` - for p in $tempremovelist; do - case $p in - *.$objext | *.gcno) - ;; - $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/${libname}${release}.*) - if test "X$precious_files_regex" != "X"; then - if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 - then - continue - fi - fi - func_append removelist " $p" - ;; - *) ;; - esac - done - test -n "$removelist" && \ - func_show_eval "${RM}r \$removelist" - fi - - # Now set the variables for building old libraries. - if test "$build_old_libs" = yes && test "$build_libtool_libs" != convenience ; then - func_append oldlibs " $output_objdir/$libname.$libext" - - # Transform .lo files to .o files. - oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; $lo2o" | $NL2SP` - fi - - # Eliminate all temporary directories. - #for path in $notinst_path; do - # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` - # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` - # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` - #done - - if test -n "$xrpath"; then - # If the user specified any rpath flags, then add them. - temp_xrpath= - for libdir in $xrpath; do - func_replace_sysroot "$libdir" - func_append temp_xrpath " -R$func_replace_sysroot_result" - case "$finalize_rpath " in - *" $libdir "*) ;; - *) func_append finalize_rpath " $libdir" ;; - esac - done - if test "$hardcode_into_libs" != yes || test "$build_old_libs" = yes; then - dependency_libs="$temp_xrpath $dependency_libs" - fi - fi - - # Make sure dlfiles contains only unique files that won't be dlpreopened - old_dlfiles="$dlfiles" - dlfiles= - for lib in $old_dlfiles; do - case " $dlprefiles $dlfiles " in - *" $lib "*) ;; - *) func_append dlfiles " $lib" ;; - esac - done - - # Make sure dlprefiles contains only unique files - old_dlprefiles="$dlprefiles" - dlprefiles= - for lib in $old_dlprefiles; 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So, this module is probably useless." - echo "*** \`nm' from GNU binutils and a full rebuild may help." - fi - if test "$build_old_libs" = no; then - oldlibs="$output_objdir/$libname.$libext" - build_libtool_libs=module - build_old_libs=yes - else - build_libtool_libs=no - fi - else - echo "*** The inter-library dependencies that have been dropped here will be" - echo "*** automatically added whenever a program is linked with this library" - echo "*** or is declared to -dlopen it." - - if test "$allow_undefined" = no; then - echo - echo "*** Since this library must not contain undefined symbols," - echo "*** because either the platform does not support them or" - echo "*** it was explicitly requested with -no-undefined," - echo "*** libtool will only create a static version of it." - if test "$build_old_libs" = no; then - oldlibs="$output_objdir/$libname.$libext" - build_libtool_libs=module - build_old_libs=yes - else - build_libtool_libs=no - fi - fi - fi - fi - # Done checking deplibs! - deplibs=$newdeplibs - fi - # Time to change all our "foo.ltframework" stuff back to "-framework foo" - case $host in - *-*-darwin*) - newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - ;; - esac - - # move library search paths that coincide with paths to not yet - # installed libraries to the beginning of the library search list - new_libs= - for path in $notinst_path; do - case " $new_libs " in - *" -L$path/$objdir "*) ;; - *) - case " $deplibs " in - *" -L$path/$objdir "*) - func_append new_libs " -L$path/$objdir" ;; - esac - ;; - esac - done - for deplib in $deplibs; do - case $deplib in - -L*) - case " $new_libs " in - *" $deplib "*) ;; - *) func_append new_libs " $deplib" ;; - esac - ;; - *) func_append new_libs " $deplib" ;; - esac - done - deplibs="$new_libs" - - # All the library-specific variables (install_libdir is set above). - library_names= - old_library= - dlname= - - # Test again, we may have decided not to build it any more - if test "$build_libtool_libs" = yes; then - # Remove ${wl} instances when linking with ld. - # FIXME: should test the right _cmds variable. - case $archive_cmds in - *\$LD\ *) wl= ;; - esac - if test "$hardcode_into_libs" = yes; then - # Hardcode the library paths - hardcode_libdirs= - dep_rpath= - rpath="$finalize_rpath" - test "$opt_mode" != relink && rpath="$compile_rpath$rpath" - for libdir in $rpath; do - if test -n "$hardcode_libdir_flag_spec"; then - if test -n "$hardcode_libdir_separator"; then - func_replace_sysroot "$libdir" - libdir=$func_replace_sysroot_result - if test -z "$hardcode_libdirs"; then - hardcode_libdirs="$libdir" - else - # Just accumulate the unique libdirs. - case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in - *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) - ;; - *) - func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" - ;; - esac - fi - else - eval flag=\"$hardcode_libdir_flag_spec\" - func_append dep_rpath " $flag" - fi - elif test -n "$runpath_var"; then - case "$perm_rpath " in - *" $libdir "*) ;; - *) func_append perm_rpath " $libdir" ;; - esac - fi - done - # Substitute the hardcoded libdirs into the rpath. - if test -n "$hardcode_libdir_separator" && - test -n "$hardcode_libdirs"; then - libdir="$hardcode_libdirs" - eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" - fi - if test -n "$runpath_var" && test -n "$perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $perm_rpath; do - func_append rpath "$dir:" - done - eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" - fi - test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" - fi - - shlibpath="$finalize_shlibpath" - test "$opt_mode" != relink && shlibpath="$compile_shlibpath$shlibpath" - if test -n "$shlibpath"; then - eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" - fi - - # Get the real and link names of the library. - eval shared_ext=\"$shrext_cmds\" - eval library_names=\"$library_names_spec\" - set dummy $library_names - shift - realname="$1" - shift - - if test -n "$soname_spec"; then - eval soname=\"$soname_spec\" - else - soname="$realname" - fi - if test -z "$dlname"; then - dlname=$soname - fi - - lib="$output_objdir/$realname" - linknames= - for link - do - func_append linknames " $link" - done - - # Use standard objects if they are pic - test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` - test "X$libobjs" = "X " && libobjs= - - delfiles= - if test -n "$export_symbols" && test -n "$include_expsyms"; then - $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" - export_symbols="$output_objdir/$libname.uexp" - func_append delfiles " $export_symbols" - fi - - orig_export_symbols= - case $host_os in - cygwin* | mingw* | cegcc*) - if test -n "$export_symbols" && test -z "$export_symbols_regex"; then - # exporting using user supplied symfile - if test "x`$SED 1q $export_symbols`" != xEXPORTS; then - # and it's NOT already a .def file. Must figure out - # which of the given symbols are data symbols and tag - # them as such. So, trigger use of export_symbols_cmds. - # export_symbols gets reassigned inside the "prepare - # the list of exported symbols" if statement, so the - # include_expsyms logic still works. - orig_export_symbols="$export_symbols" - export_symbols= - always_export_symbols=yes - fi - fi - ;; - esac - - # Prepare the list of exported symbols - if test -z "$export_symbols"; then - if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then - func_verbose "generating symbol list for \`$libname.la'" - export_symbols="$output_objdir/$libname.exp" - $opt_dry_run || $RM $export_symbols - cmds=$export_symbols_cmds - save_ifs="$IFS"; IFS='~' - for cmd1 in $cmds; do - IFS="$save_ifs" - # Take the normal branch if the nm_file_list_spec branch - # doesn't work or if tool conversion is not needed. - case $nm_file_list_spec~$to_tool_file_cmd in - *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) - try_normal_branch=yes - eval cmd=\"$cmd1\" - func_len " $cmd" - len=$func_len_result - ;; - *) - try_normal_branch=no - ;; - esac - if test "$try_normal_branch" = yes \ - && { test "$len" -lt "$max_cmd_len" \ - || test "$max_cmd_len" -le -1; } - then - func_show_eval "$cmd" 'exit $?' - skipped_export=false - elif test -n "$nm_file_list_spec"; then - func_basename "$output" - output_la=$func_basename_result - save_libobjs=$libobjs - save_output=$output - output=${output_objdir}/${output_la}.nm - func_to_tool_file "$output" - libobjs=$nm_file_list_spec$func_to_tool_file_result - func_append delfiles " $output" - func_verbose "creating $NM input file list: $output" - for obj in $save_libobjs; do - func_to_tool_file "$obj" - $ECHO "$func_to_tool_file_result" - done > "$output" - eval cmd=\"$cmd1\" - func_show_eval "$cmd" 'exit $?' - output=$save_output - libobjs=$save_libobjs - skipped_export=false - else - # The command line is too long to execute in one step. - func_verbose "using reloadable object file for export list..." - skipped_export=: - # Break out early, otherwise skipped_export may be - # set to false by a later but shorter cmd. - break - fi - done - IFS="$save_ifs" - if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then - func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' - func_show_eval '$MV "${export_symbols}T" "$export_symbols"' - fi - fi - fi - - if test -n "$export_symbols" && test -n "$include_expsyms"; then - tmp_export_symbols="$export_symbols" - test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" - $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' - fi - - if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then - # The given exports_symbols file has to be filtered, so filter it. - func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" - # FIXME: $output_objdir/$libname.filter potentially contains lots of - # 's' commands which not all seds can handle. GNU sed should be fine - # though. Also, the filter scales superlinearly with the number of - # global variables. join(1) would be nice here, but unfortunately - # isn't a blessed tool. - $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter - func_append delfiles " $export_symbols $output_objdir/$libname.filter" - export_symbols=$output_objdir/$libname.def - $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols - fi - - tmp_deplibs= - for test_deplib in $deplibs; do - case " $convenience " in - *" $test_deplib "*) ;; - *) - func_append tmp_deplibs " $test_deplib" - ;; - esac - done - deplibs="$tmp_deplibs" - - if test -n "$convenience"; then - if test -n "$whole_archive_flag_spec" && - test "$compiler_needs_object" = yes && - test -z "$libobjs"; then - # extract the archives, so we have objects to list. - # TODO: could optimize this to just extract one archive. - whole_archive_flag_spec= - fi - if test -n "$whole_archive_flag_spec"; then - save_libobjs=$libobjs - eval libobjs=\"\$libobjs $whole_archive_flag_spec\" - test "X$libobjs" = "X " && libobjs= - else - gentop="$output_objdir/${outputname}x" - func_append generated " $gentop" - - func_extract_archives $gentop $convenience - func_append libobjs " $func_extract_archives_result" - test "X$libobjs" = "X " && libobjs= - fi - fi - - if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then - eval flag=\"$thread_safe_flag_spec\" - func_append linker_flags " $flag" - fi - - # Make a backup of the uninstalled library when relinking - if test "$opt_mode" = relink; then - $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? - fi - - # Do each of the archive commands. - if test "$module" = yes && test -n "$module_cmds" ; then - if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then - eval test_cmds=\"$module_expsym_cmds\" - cmds=$module_expsym_cmds - else - eval test_cmds=\"$module_cmds\" - cmds=$module_cmds - fi - else - if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then - eval test_cmds=\"$archive_expsym_cmds\" - cmds=$archive_expsym_cmds - else - eval test_cmds=\"$archive_cmds\" - cmds=$archive_cmds - fi - fi - - if test "X$skipped_export" != "X:" && - func_len " $test_cmds" && - len=$func_len_result && - test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then - : - else - # The command line is too long to link in one step, link piecewise - # or, if using GNU ld and skipped_export is not :, use a linker - # script. - - # Save the value of $output and $libobjs because we want to - # use them later. If we have whole_archive_flag_spec, we - # want to use save_libobjs as it was before - # whole_archive_flag_spec was expanded, because we can't - # assume the linker understands whole_archive_flag_spec. - # This may have to be revisited, in case too many - # convenience libraries get linked in and end up exceeding - # the spec. - if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then - save_libobjs=$libobjs - fi - save_output=$output - func_basename "$output" - output_la=$func_basename_result - - # Clear the reloadable object creation command queue and - # initialize k to one. - test_cmds= - concat_cmds= - objlist= - last_robj= - k=1 - - if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then - output=${output_objdir}/${output_la}.lnkscript - func_verbose "creating GNU ld script: $output" - echo 'INPUT (' > $output - for obj in $save_libobjs - do - func_to_tool_file "$obj" - $ECHO "$func_to_tool_file_result" >> $output - done - echo ')' >> $output - func_append delfiles " $output" - func_to_tool_file "$output" - output=$func_to_tool_file_result - elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then - output=${output_objdir}/${output_la}.lnk - func_verbose "creating linker input file list: $output" - : > $output - set x $save_libobjs - shift - firstobj= - if test "$compiler_needs_object" = yes; then - firstobj="$1 " - shift - fi - for obj - do - func_to_tool_file "$obj" - $ECHO "$func_to_tool_file_result" >> $output - done - func_append delfiles " $output" - func_to_tool_file "$output" - output=$firstobj\"$file_list_spec$func_to_tool_file_result\" - else - if test -n "$save_libobjs"; then - func_verbose "creating reloadable object files..." - output=$output_objdir/$output_la-${k}.$objext - eval test_cmds=\"$reload_cmds\" - func_len " $test_cmds" - len0=$func_len_result - len=$len0 - - # Loop over the list of objects to be linked. - for obj in $save_libobjs - do - func_len " $obj" - func_arith $len + $func_len_result - len=$func_arith_result - if test "X$objlist" = X || - test "$len" -lt "$max_cmd_len"; then - func_append objlist " $obj" - else - # The command $test_cmds is almost too long, add a - # command to the queue. - if test "$k" -eq 1 ; then - # The first file doesn't have a previous command to add. - reload_objs=$objlist - eval concat_cmds=\"$reload_cmds\" - else - # All subsequent reloadable object files will link in - # the last one created. - reload_objs="$objlist $last_robj" - eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" - fi - last_robj=$output_objdir/$output_la-${k}.$objext - func_arith $k + 1 - k=$func_arith_result - output=$output_objdir/$output_la-${k}.$objext - objlist=" $obj" - func_len " $last_robj" - func_arith $len0 + $func_len_result - len=$func_arith_result - fi - done - # Handle the remaining objects by creating one last - # reloadable object file. All subsequent reloadable object - # files will link in the last one created. - test -z "$concat_cmds" || concat_cmds=$concat_cmds~ - reload_objs="$objlist $last_robj" - eval concat_cmds=\"\${concat_cmds}$reload_cmds\" - if test -n "$last_robj"; then - eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" - fi - func_append delfiles " $output" - - else - output= - fi - - if ${skipped_export-false}; then - func_verbose "generating symbol list for \`$libname.la'" - export_symbols="$output_objdir/$libname.exp" - $opt_dry_run || $RM $export_symbols - libobjs=$output - # Append the command to create the export file. - test -z "$concat_cmds" || concat_cmds=$concat_cmds~ - eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" - if test -n "$last_robj"; then - eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" - fi - fi - - test -n "$save_libobjs" && - func_verbose "creating a temporary reloadable object file: $output" - - # Loop through the commands generated above and execute them. - save_ifs="$IFS"; IFS='~' - for cmd in $concat_cmds; do - IFS="$save_ifs" - $opt_silent || { - func_quote_for_expand "$cmd" - eval "func_echo $func_quote_for_expand_result" - } - $opt_dry_run || eval "$cmd" || { - lt_exit=$? - - # Restore the uninstalled library and exit - if test "$opt_mode" = relink; then - ( cd "$output_objdir" && \ - $RM "${realname}T" && \ - $MV "${realname}U" "$realname" ) - fi - - exit $lt_exit - } - done - IFS="$save_ifs" - - if test -n "$export_symbols_regex" && ${skipped_export-false}; then - func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' - func_show_eval '$MV "${export_symbols}T" "$export_symbols"' - fi - fi - - if ${skipped_export-false}; then - if test -n "$export_symbols" && test -n "$include_expsyms"; then - tmp_export_symbols="$export_symbols" - test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" - $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' - fi - - if test -n "$orig_export_symbols"; then - # The given exports_symbols file has to be filtered, so filter it. - func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" - # FIXME: $output_objdir/$libname.filter potentially contains lots of - # 's' commands which not all seds can handle. GNU sed should be fine - # though. Also, the filter scales superlinearly with the number of - # global variables. join(1) would be nice here, but unfortunately - # isn't a blessed tool. - $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter - func_append delfiles " $export_symbols $output_objdir/$libname.filter" - export_symbols=$output_objdir/$libname.def - $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols - fi - fi - - libobjs=$output - # Restore the value of output. - output=$save_output - - if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then - eval libobjs=\"\$libobjs $whole_archive_flag_spec\" - test "X$libobjs" = "X " && libobjs= - fi - # Expand the library linking commands again to reset the - # value of $libobjs for piecewise linking. - - # Do each of the archive commands. - if test "$module" = yes && test -n "$module_cmds" ; then - if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then - cmds=$module_expsym_cmds - else - cmds=$module_cmds - fi - else - if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then - cmds=$archive_expsym_cmds - else - cmds=$archive_cmds - fi - fi - fi - - if test -n "$delfiles"; then - # Append the command to remove temporary files to $cmds. - eval cmds=\"\$cmds~\$RM $delfiles\" - fi - - # Add any objects from preloaded convenience libraries - if test -n "$dlprefiles"; then - gentop="$output_objdir/${outputname}x" - func_append generated " $gentop" - - func_extract_archives $gentop $dlprefiles - func_append libobjs " $func_extract_archives_result" - test "X$libobjs" = "X " && libobjs= - fi - - save_ifs="$IFS"; IFS='~' - for cmd in $cmds; do - IFS="$save_ifs" - eval cmd=\"$cmd\" - $opt_silent || { - func_quote_for_expand "$cmd" - eval "func_echo $func_quote_for_expand_result" - } - $opt_dry_run || eval "$cmd" || { - lt_exit=$? - - # Restore the uninstalled library and exit - if test "$opt_mode" = relink; then - ( cd "$output_objdir" && \ - $RM "${realname}T" && \ - $MV "${realname}U" "$realname" ) - fi - - exit $lt_exit - } - done - IFS="$save_ifs" - - # Restore the uninstalled library and exit - if test "$opt_mode" = relink; then - $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? - - if test -n "$convenience"; then - if test -z "$whole_archive_flag_spec"; then - func_show_eval '${RM}r "$gentop"' - fi - fi - - exit $EXIT_SUCCESS - fi - - # Create links to the real library. - for linkname in $linknames; do - if test "$realname" != "$linkname"; then - func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' - fi - done - - # If -module or -export-dynamic was specified, set the dlname. - if test "$module" = yes || test "$export_dynamic" = yes; then - # On all known operating systems, these are identical. - dlname="$soname" - fi - fi - ;; - - obj) - if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then - func_warning "\`-dlopen' is ignored for objects" - fi - - case " $deplibs" in - *\ -l* | *\ -L*) - func_warning "\`-l' and \`-L' are ignored for objects" ;; - esac - - test -n "$rpath" && \ - func_warning "\`-rpath' is ignored for objects" - - test -n "$xrpath" && \ - func_warning "\`-R' is ignored for objects" - - test -n "$vinfo" && \ - func_warning "\`-version-info' is ignored for objects" - - test -n "$release" && \ - func_warning "\`-release' is ignored for objects" - - case $output in - *.lo) - test -n "$objs$old_deplibs" && \ - func_fatal_error "cannot build library object \`$output' from non-libtool objects" - - libobj=$output - func_lo2o "$libobj" - obj=$func_lo2o_result - ;; - *) - libobj= - obj="$output" - ;; - esac - - # Delete the old objects. - $opt_dry_run || $RM $obj $libobj - - # Objects from convenience libraries. This assumes - # single-version convenience libraries. Whenever we create - # different ones for PIC/non-PIC, this we'll have to duplicate - # the extraction. - reload_conv_objs= - gentop= - # reload_cmds runs $LD directly, so let us get rid of - # -Wl from whole_archive_flag_spec and hope we can get by with - # turning comma into space.. - wl= - - if test -n "$convenience"; then - if test -n "$whole_archive_flag_spec"; then - eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" - reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` - else - gentop="$output_objdir/${obj}x" - func_append generated " $gentop" - - func_extract_archives $gentop $convenience - reload_conv_objs="$reload_objs $func_extract_archives_result" - fi - fi - - # If we're not building shared, we need to use non_pic_objs - test "$build_libtool_libs" != yes && libobjs="$non_pic_objects" - - # Create the old-style object. - reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test - - output="$obj" - func_execute_cmds "$reload_cmds" 'exit $?' - - # Exit if we aren't doing a library object file. - if test -z "$libobj"; then - if test -n "$gentop"; then - func_show_eval '${RM}r "$gentop"' - fi - - exit $EXIT_SUCCESS - fi - - if test "$build_libtool_libs" != yes; then - if test -n "$gentop"; then - func_show_eval '${RM}r "$gentop"' - fi - - # Create an invalid libtool object if no PIC, so that we don't - # accidentally link it into a program. - # $show "echo timestamp > $libobj" - # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? - exit $EXIT_SUCCESS - fi - - if test -n "$pic_flag" || test "$pic_mode" != default; then - # Only do commands if we really have different PIC objects. - reload_objs="$libobjs $reload_conv_objs" - output="$libobj" - func_execute_cmds "$reload_cmds" 'exit $?' - fi - - if test -n "$gentop"; then - func_show_eval '${RM}r "$gentop"' - fi - - exit $EXIT_SUCCESS - ;; - - prog) - case $host in - *cygwin*) func_stripname '' '.exe' "$output" - output=$func_stripname_result.exe;; - esac - test -n "$vinfo" && \ - func_warning "\`-version-info' is ignored for programs" - - test -n "$release" && \ - func_warning "\`-release' is ignored for programs" - - test "$preload" = yes \ - && test "$dlopen_support" = unknown \ - && test "$dlopen_self" = unknown \ - && test "$dlopen_self_static" = unknown && \ - func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." - - case $host in - *-*-rhapsody* | *-*-darwin1.[012]) - # On Rhapsody replace the C library is the System framework - compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` - finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` - ;; - esac - - case $host in - *-*-darwin*) - # Don't allow lazy linking, it breaks C++ global constructors - # But is supposedly fixed on 10.4 or later (yay!). - if test "$tagname" = CXX ; then - case ${MACOSX_DEPLOYMENT_TARGET-10.0} in - 10.[0123]) - func_append compile_command " ${wl}-bind_at_load" - func_append finalize_command " ${wl}-bind_at_load" - ;; - esac - fi - # Time to change all our "foo.ltframework" stuff back to "-framework foo" - compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - ;; - esac - - - # move library search paths that coincide with paths to not yet - # installed libraries to the beginning of the library search list - new_libs= - for path in $notinst_path; do - case " $new_libs " in - *" -L$path/$objdir "*) ;; - *) - case " $compile_deplibs " in - *" -L$path/$objdir "*) - func_append new_libs " -L$path/$objdir" ;; - esac - ;; - esac - done - for deplib in $compile_deplibs; do - case $deplib in - -L*) - case " $new_libs " in - *" $deplib "*) ;; - *) func_append new_libs " $deplib" ;; - esac - ;; - *) func_append new_libs " $deplib" ;; - esac - done - compile_deplibs="$new_libs" - - - func_append compile_command " $compile_deplibs" - func_append finalize_command " $finalize_deplibs" - - if test -n "$rpath$xrpath"; then - # If the user specified any rpath flags, then add them. - for libdir in $rpath $xrpath; do - # This is the magic to use -rpath. - case "$finalize_rpath " in - *" $libdir "*) ;; - *) func_append finalize_rpath " $libdir" ;; - esac - done - fi - - # Now hardcode the library paths - rpath= - hardcode_libdirs= - for libdir in $compile_rpath $finalize_rpath; do - if test -n "$hardcode_libdir_flag_spec"; then - if test -n "$hardcode_libdir_separator"; then - if test -z "$hardcode_libdirs"; then - hardcode_libdirs="$libdir" - else - # Just accumulate the unique libdirs. - case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in - *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) - ;; - *) - func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" - ;; - esac - fi - else - eval flag=\"$hardcode_libdir_flag_spec\" - func_append rpath " $flag" - fi - elif test -n "$runpath_var"; then - case "$perm_rpath " in - *" $libdir "*) ;; - *) func_append perm_rpath " $libdir" ;; - esac - fi - case $host in - *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) - testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` - case :$dllsearchpath: in - *":$libdir:"*) ;; - ::) dllsearchpath=$libdir;; - *) func_append dllsearchpath ":$libdir";; - esac - case :$dllsearchpath: in - *":$testbindir:"*) ;; - ::) dllsearchpath=$testbindir;; - *) func_append dllsearchpath ":$testbindir";; - esac - ;; - esac - done - # Substitute the hardcoded libdirs into the rpath. - if test -n "$hardcode_libdir_separator" && - test -n "$hardcode_libdirs"; then - libdir="$hardcode_libdirs" - eval rpath=\" $hardcode_libdir_flag_spec\" - fi - compile_rpath="$rpath" - - rpath= - hardcode_libdirs= - for libdir in $finalize_rpath; do - if test -n "$hardcode_libdir_flag_spec"; then - if test -n "$hardcode_libdir_separator"; then - if test -z "$hardcode_libdirs"; then - hardcode_libdirs="$libdir" - else - # Just accumulate the unique libdirs. - case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in - *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) - ;; - *) - func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" - ;; - esac - fi - else - eval flag=\"$hardcode_libdir_flag_spec\" - func_append rpath " $flag" - fi - elif test -n "$runpath_var"; then - case "$finalize_perm_rpath " in - *" $libdir "*) ;; - *) func_append finalize_perm_rpath " $libdir" ;; - esac - fi - done - # Substitute the hardcoded libdirs into the rpath. - if test -n "$hardcode_libdir_separator" && - test -n "$hardcode_libdirs"; then - libdir="$hardcode_libdirs" - eval rpath=\" $hardcode_libdir_flag_spec\" - fi - finalize_rpath="$rpath" - - if test -n "$libobjs" && test "$build_old_libs" = yes; then - # Transform all the library objects into standard objects. - compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` - finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` - fi - - func_generate_dlsyms "$outputname" "@PROGRAM@" "no" - - # template prelinking step - if test -n "$prelink_cmds"; then - func_execute_cmds "$prelink_cmds" 'exit $?' - fi - - wrappers_required=yes - case $host in - *cegcc* | *mingw32ce*) - # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. - wrappers_required=no - ;; - *cygwin* | *mingw* ) - if test "$build_libtool_libs" != yes; then - wrappers_required=no - fi - ;; - *) - if test "$need_relink" = no || test "$build_libtool_libs" != yes; then - wrappers_required=no - fi - ;; - esac - if test "$wrappers_required" = no; then - # Replace the output file specification. - compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` - link_command="$compile_command$compile_rpath" - - # We have no uninstalled library dependencies, so finalize right now. - exit_status=0 - func_show_eval "$link_command" 'exit_status=$?' - - if test -n "$postlink_cmds"; then - func_to_tool_file "$output" - postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` - func_execute_cmds "$postlink_cmds" 'exit $?' - fi - - # Delete the generated files. - if test -f "$output_objdir/${outputname}S.${objext}"; then - func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' - fi - - exit $exit_status - fi - - if test -n "$compile_shlibpath$finalize_shlibpath"; then - compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" - fi - if test -n "$finalize_shlibpath"; then - finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" - fi - - compile_var= - finalize_var= - if test -n "$runpath_var"; then - if test -n "$perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $perm_rpath; do - func_append rpath "$dir:" - done - compile_var="$runpath_var=\"$rpath\$$runpath_var\" " - fi - if test -n "$finalize_perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $finalize_perm_rpath; do - func_append rpath "$dir:" - done - finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " - fi - fi - - if test "$no_install" = yes; then - # We don't need to create a wrapper script. - link_command="$compile_var$compile_command$compile_rpath" - # Replace the output file specification. - link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` - # Delete the old output file. - $opt_dry_run || $RM $output - # Link the executable and exit - func_show_eval "$link_command" 'exit $?' - - if test -n "$postlink_cmds"; then - func_to_tool_file "$output" - postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` - func_execute_cmds "$postlink_cmds" 'exit $?' - fi - - exit $EXIT_SUCCESS - fi - - if test "$hardcode_action" = relink; then - # Fast installation is not supported - link_command="$compile_var$compile_command$compile_rpath" - relink_command="$finalize_var$finalize_command$finalize_rpath" - - func_warning "this platform does not like uninstalled shared libraries" - func_warning "\`$output' will be relinked during installation" - else - if test "$fast_install" != no; then - link_command="$finalize_var$compile_command$finalize_rpath" - if test "$fast_install" = yes; then - relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` - else - # fast_install is set to needless - relink_command= - fi - else - link_command="$compile_var$compile_command$compile_rpath" - relink_command="$finalize_var$finalize_command$finalize_rpath" - fi - fi - - # Replace the output file specification. - link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` - - # Delete the old output files. - $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname - - func_show_eval "$link_command" 'exit $?' - - if test -n "$postlink_cmds"; then - func_to_tool_file "$output_objdir/$outputname" - postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` - func_execute_cmds "$postlink_cmds" 'exit $?' - fi - - # Now create the wrapper script. - func_verbose "creating $output" - - # Quote the relink command for shipping. - if test -n "$relink_command"; then - # Preserve any variables that may affect compiler behavior - for var in $variables_saved_for_relink; do - if eval test -z \"\${$var+set}\"; then - relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" - elif eval var_value=\$$var; test -z "$var_value"; then - relink_command="$var=; export $var; $relink_command" - else - func_quote_for_eval "$var_value" - relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" - fi - done - relink_command="(cd `pwd`; $relink_command)" - relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` - fi - - # Only actually do things if not in dry run mode. - $opt_dry_run || { - # win32 will think the script is a binary if it has - # a .exe suffix, so we strip it off here. - case $output in - *.exe) func_stripname '' '.exe' "$output" - output=$func_stripname_result ;; - esac - # test for cygwin because mv fails w/o .exe extensions - case $host in - *cygwin*) - exeext=.exe - func_stripname '' '.exe' "$outputname" - outputname=$func_stripname_result ;; - *) exeext= ;; - esac - case $host in - *cygwin* | *mingw* ) - func_dirname_and_basename "$output" "" "." - output_name=$func_basename_result - output_path=$func_dirname_result - cwrappersource="$output_path/$objdir/lt-$output_name.c" - cwrapper="$output_path/$output_name.exe" - $RM $cwrappersource $cwrapper - trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 - - func_emit_cwrapperexe_src > $cwrappersource - - # The wrapper executable is built using the $host compiler, - # because it contains $host paths and files. If cross- - # compiling, it, like the target executable, must be - # executed on the $host or under an emulation environment. - $opt_dry_run || { - $LTCC $LTCFLAGS -o $cwrapper $cwrappersource - $STRIP $cwrapper - } - - # Now, create the wrapper script for func_source use: - func_ltwrapper_scriptname $cwrapper - $RM $func_ltwrapper_scriptname_result - trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 - $opt_dry_run || { - # note: this script will not be executed, so do not chmod. - if test "x$build" = "x$host" ; then - $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result - else - func_emit_wrapper no > $func_ltwrapper_scriptname_result - fi - } - ;; - * ) - $RM $output - trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 - - func_emit_wrapper no > $output - chmod +x $output - ;; - esac - } - exit $EXIT_SUCCESS - ;; - esac - - # See if we need to build an old-fashioned archive. - for oldlib in $oldlibs; do - - if test "$build_libtool_libs" = convenience; then - oldobjs="$libobjs_save $symfileobj" - addlibs="$convenience" - build_libtool_libs=no - else - if test "$build_libtool_libs" = module; then - oldobjs="$libobjs_save" - build_libtool_libs=no - else - oldobjs="$old_deplibs $non_pic_objects" - if test "$preload" = yes && test -f "$symfileobj"; then - func_append oldobjs " $symfileobj" - fi - fi - addlibs="$old_convenience" - fi - - if test -n "$addlibs"; then - gentop="$output_objdir/${outputname}x" - func_append generated " $gentop" - - func_extract_archives $gentop $addlibs - func_append oldobjs " $func_extract_archives_result" - fi - - # Do each command in the archive commands. - if test -n "$old_archive_from_new_cmds" && test "$build_libtool_libs" = yes; then - cmds=$old_archive_from_new_cmds - else - - # Add any objects from preloaded convenience libraries - if test -n "$dlprefiles"; then - gentop="$output_objdir/${outputname}x" - func_append generated " $gentop" - - func_extract_archives $gentop $dlprefiles - func_append oldobjs " $func_extract_archives_result" - fi - - # POSIX demands no paths to be encoded in archives. 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then - _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" - fi - ;; - esac - else - # PORTME Check for flag to pass linker flags through the system compiler. - case $host_os in - aix*) - _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' - if test "$host_cpu" = ia64; then - # AIX 5 now supports IA64 processor - _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' - else - _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' - fi - ;; - - mingw* | cygwin* | pw32* | os2* | cegcc*) - # This hack is so that the source file can tell whether it is being - # built for inclusion in a dll (and should export symbols for example). - m4_if([$1], [GCJ], [], - [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) - ;; - - hpux9* | hpux10* | hpux11*) - _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' - # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but - # not for PA HP-UX. - case $host_cpu in - hppa*64*|ia64*) - # +Z the default - ;; - *) - _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' - ;; 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without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -GGRAPH_DECLARE int -gGraphImageToAdam7 (const void *ptr_img, void *mem_bufs[7], - int mem_buf_sizes[7], void **palette, int *palette_size) -{ -/* encoding an image as Adam7 */ - unsigned char *p_in; - unsigned char *p_out; - void *out; - int size; - int scanline_width; - int pixel_size; - int i; - int x; - int y; - short out_width; - short out_height; - int x_base; - int y_base; - int x_step; - int y_step; - int endian_arch = gg_endian_arch (); - int endian; - int is_palette = 0; - short start_marker[7]; - short end_marker[7]; - gGraphImagePtr img = (gGraphImagePtr) ptr_img; - - for (i = 0; i < 7; i++) - { - mem_bufs[i] = NULL; - mem_buf_sizes[i] = 0; - } - *palette = NULL; - *palette_size = 0; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - pixel_size = img->pixel_size; - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - start_marker[0] = GG_ADAM7_0_RGB_START; - end_marker[0] = GG_ADAM7_0_RGB_END; - start_marker[1] = GG_ADAM7_1_RGB_START; - end_marker[1] = GG_ADAM7_1_RGB_END; - start_marker[2] = GG_ADAM7_2_RGB_START; - end_marker[2] = GG_ADAM7_2_RGB_END; - start_marker[3] = GG_ADAM7_3_RGB_START; - end_marker[3] = GG_ADAM7_3_RGB_END; - start_marker[4] = GG_ADAM7_4_RGB_START; - end_marker[4] = GG_ADAM7_4_RGB_END; - start_marker[5] = GG_ADAM7_5_RGB_START; - end_marker[5] = GG_ADAM7_5_RGB_END; - start_marker[6] = GG_ADAM7_6_RGB_START; - end_marker[6] = GG_ADAM7_6_RGB_END; - break; - case GG_PIXEL_GRAYSCALE: - start_marker[0] = GG_ADAM7_0_GRAYSCALE_START; - end_marker[0] = GG_ADAM7_0_GRAYSCALE_END; - start_marker[1] = GG_ADAM7_1_GRAYSCALE_START; - end_marker[1] = GG_ADAM7_1_GRAYSCALE_END; - start_marker[2] = GG_ADAM7_2_GRAYSCALE_START; - end_marker[2] = GG_ADAM7_2_GRAYSCALE_END; - start_marker[3] = GG_ADAM7_3_GRAYSCALE_START; - end_marker[3] = GG_ADAM7_3_GRAYSCALE_END; - start_marker[4] = GG_ADAM7_4_GRAYSCALE_START; - end_marker[4] = GG_ADAM7_4_GRAYSCALE_END; - start_marker[5] = GG_ADAM7_5_GRAYSCALE_START; - end_marker[5] = GG_ADAM7_5_GRAYSCALE_END; - start_marker[6] = GG_ADAM7_6_GRAYSCALE_START; - end_marker[6] = GG_ADAM7_6_GRAYSCALE_END; - break; - case GG_PIXEL_PALETTE: - start_marker[0] = GG_ADAM7_0_PALETTE_START; - end_marker[0] = GG_ADAM7_0_PALETTE_END; - start_marker[1] = GG_ADAM7_1_PALETTE_START; - end_marker[1] = GG_ADAM7_1_PALETTE_END; - start_marker[2] = GG_ADAM7_2_PALETTE_START; - end_marker[2] = GG_ADAM7_2_PALETTE_END; - start_marker[3] = GG_ADAM7_3_PALETTE_START; - end_marker[3] = GG_ADAM7_3_PALETTE_END; - start_marker[4] = GG_ADAM7_4_PALETTE_START; - end_marker[4] = GG_ADAM7_4_PALETTE_END; - start_marker[5] = GG_ADAM7_5_PALETTE_START; - end_marker[5] = GG_ADAM7_5_PALETTE_END; - start_marker[6] = GG_ADAM7_6_PALETTE_START; - end_marker[6] = GG_ADAM7_6_PALETTE_END; - is_palette = 1; - break; - case GG_PIXEL_GRID: - switch (img->sample_format) - { - case GGRAPH_SAMPLE_INT: - if (img->bits_per_sample == 16) - { - start_marker[0] = GG_ADAM7_0_INT16_START; - end_marker[0] = GG_ADAM7_0_INT16_END; - start_marker[1] = GG_ADAM7_1_INT16_START; - end_marker[1] = GG_ADAM7_1_INT16_END; - start_marker[2] = GG_ADAM7_2_INT16_START; - end_marker[2] = GG_ADAM7_2_INT16_END; - start_marker[3] = GG_ADAM7_3_INT16_START; - end_marker[3] = GG_ADAM7_3_INT16_END; - start_marker[4] = GG_ADAM7_4_INT16_START; - end_marker[4] = GG_ADAM7_4_INT16_END; - start_marker[5] = GG_ADAM7_5_INT16_START; - end_marker[5] = GG_ADAM7_5_INT16_END; - start_marker[6] = GG_ADAM7_6_INT16_START; - end_marker[6] = GG_ADAM7_6_INT16_END; - } - else - { - start_marker[0] = GG_ADAM7_0_INT32_START; - end_marker[0] = GG_ADAM7_0_INT32_END; - start_marker[1] = GG_ADAM7_1_INT32_START; - end_marker[1] = GG_ADAM7_1_INT32_END; - start_marker[2] = GG_ADAM7_2_INT32_START; - end_marker[2] = GG_ADAM7_2_INT32_END; - start_marker[3] = GG_ADAM7_3_INT32_START; - end_marker[3] = GG_ADAM7_3_INT32_END; - start_marker[4] = GG_ADAM7_4_INT32_START; - end_marker[4] = GG_ADAM7_4_INT32_END; - start_marker[5] = GG_ADAM7_5_INT32_START; - end_marker[5] = GG_ADAM7_5_INT32_END; - start_marker[6] = GG_ADAM7_6_INT32_START; - end_marker[6] = GG_ADAM7_6_INT32_END; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img->bits_per_sample == 16) - { - start_marker[0] = GG_ADAM7_0_UINT16_START; - end_marker[0] = GG_ADAM7_0_UINT16_END; - start_marker[1] = GG_ADAM7_1_UINT16_START; - end_marker[1] = GG_ADAM7_1_UINT16_END; - start_marker[2] = GG_ADAM7_2_UINT16_START; - end_marker[2] = GG_ADAM7_2_UINT16_END; - start_marker[3] = GG_ADAM7_3_UINT16_START; - end_marker[3] = GG_ADAM7_3_UINT16_END; - start_marker[4] = GG_ADAM7_4_UINT16_START; - end_marker[4] = GG_ADAM7_4_UINT16_END; - start_marker[5] = GG_ADAM7_5_UINT16_START; - end_marker[5] = GG_ADAM7_5_UINT16_END; - start_marker[6] = GG_ADAM7_6_UINT16_START; - end_marker[6] = GG_ADAM7_6_UINT16_END; - } - else - { - start_marker[0] = GG_ADAM7_0_UINT32_START; - end_marker[0] = GG_ADAM7_0_UINT32_END; - start_marker[1] = GG_ADAM7_1_UINT32_START; - end_marker[1] = GG_ADAM7_1_UINT32_END; - start_marker[2] = GG_ADAM7_2_UINT32_START; - end_marker[2] = GG_ADAM7_2_UINT32_END; - start_marker[3] = GG_ADAM7_3_UINT32_START; - end_marker[3] = GG_ADAM7_3_UINT32_END; - start_marker[4] = GG_ADAM7_4_UINT32_START; - end_marker[4] = GG_ADAM7_4_UINT32_END; - start_marker[5] = GG_ADAM7_5_UINT32_START; - end_marker[5] = GG_ADAM7_5_UINT32_END; - start_marker[6] = GG_ADAM7_6_UINT32_START; - end_marker[6] = GG_ADAM7_6_UINT32_END; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img->bits_per_sample == 32) - { - start_marker[0] = GG_ADAM7_0_FLOAT_START; - end_marker[0] = GG_ADAM7_0_FLOAT_END; - start_marker[1] = GG_ADAM7_1_FLOAT_START; - end_marker[1] = GG_ADAM7_1_FLOAT_END; - start_marker[2] = GG_ADAM7_2_FLOAT_START; - end_marker[2] = GG_ADAM7_2_FLOAT_END; - start_marker[3] = GG_ADAM7_3_FLOAT_START; - end_marker[3] = GG_ADAM7_3_FLOAT_END; - start_marker[4] = GG_ADAM7_4_FLOAT_START; - end_marker[4] = GG_ADAM7_4_FLOAT_END; - start_marker[5] = GG_ADAM7_5_FLOAT_START; - end_marker[5] = GG_ADAM7_5_FLOAT_END; - start_marker[6] = GG_ADAM7_6_FLOAT_START; - end_marker[6] = GG_ADAM7_6_FLOAT_END; - } - else - { - start_marker[0] = GG_ADAM7_0_DOUBLE_START; - end_marker[0] = GG_ADAM7_0_DOUBLE_END; - start_marker[1] = GG_ADAM7_1_DOUBLE_START; - end_marker[1] = GG_ADAM7_1_DOUBLE_END; - start_marker[2] = GG_ADAM7_2_DOUBLE_START; - end_marker[2] = GG_ADAM7_2_DOUBLE_END; - start_marker[3] = GG_ADAM7_3_DOUBLE_START; - end_marker[3] = GG_ADAM7_3_DOUBLE_END; - start_marker[4] = GG_ADAM7_4_DOUBLE_START; - end_marker[4] = GG_ADAM7_4_DOUBLE_END; - start_marker[5] = GG_ADAM7_5_DOUBLE_START; - end_marker[5] = GG_ADAM7_5_DOUBLE_END; - start_marker[6] = GG_ADAM7_6_DOUBLE_START; - end_marker[6] = GG_ADAM7_6_DOUBLE_END; - } - break; - }; - break; - }; - - for (i = 0; i < 7; i++) - { - /* Adam7 steps */ - switch (i) - { - case 0: - x_base = 0; - y_base = 0; - x_step = 8; - y_step = 8; - break; - case 1: - x_base = 4; - y_base = 0; - x_step = 8; - y_step = 8; - break; - case 2: - x_base = 0; - y_base = 4; - x_step = 4; - y_step = 8; - break; - case 3: - x_base = 2; - y_base = 0; - x_step = 4; - y_step = 4; - break; - case 4: - x_base = 0; - y_base = 2; - x_step = 2; - y_step = 4; - break; - case 5: - x_base = 1; - y_base = 0; - x_step = 2; - y_step = 2; - break; - case 6: - x_base = 0; - y_base = 1; - x_step = 1; - y_step = 2; - break; - }; - out_width = (img->width - x_base) / x_step; - if ((out_width * x_step) < (img->width - x_base)) - out_width++; - out_height = (img->height - y_base) / y_step; - if ((out_height * y_step) < (img->height - y_base)) - out_height++; - scanline_width = out_width * pixel_size; - size = out_height * scanline_width; - size += 4 * sizeof (short); - out = malloc (size); - if (!out) - goto stop; - mem_bufs[i] = out; - mem_buf_sizes[i] = size; - p_out = out; - /* - * tiles are alternatively encoded as LITTLE or BIG-ENDIAN - * in order to ensure an arch-neutral approach - */ - if (i == 0 || i == 2 || i == 4 || i == 6) - endian = 0; - else - endian = 1; - gg_export_int16 (start_marker[i], p_out, endian, endian_arch); - p_out += sizeof (short); - gg_export_int16 (out_width, p_out, endian, endian_arch); - p_out += sizeof (short); - gg_export_int16 (out_height, p_out, endian, endian_arch); - p_out += sizeof (short); - for (y = y_base; y < img->height; y += y_step) - { - p_in = - (unsigned char *) (img->pixels) + - (y * img->scanline_width) + (x_base * pixel_size); - for (x = x_base; x < img->width; x += x_step) - { - if (img->pixel_format == GG_PIXEL_GRID) - { - switch (img->sample_format) - { - case GGRAPH_SAMPLE_INT: - if (img->bits_per_sample == 16) - { - short value = *((short *) p_in); - gg_export_int16 (value, p_out, endian, - endian_arch); - p_in += x_step * sizeof (short); - p_out += sizeof (short); - } - else - { - int value = *((int *) p_in); - gg_export_int32 (value, p_out, endian, - endian_arch); - p_in += x_step * sizeof (int); - p_out += sizeof (int); - } - break; - case GGRAPH_SAMPLE_UINT: - if (img->bits_per_sample == 16) - { - unsigned short value = - *((unsigned short *) p_in); - gg_export_uint16 (value, p_out, endian, - endian_arch); - p_in += - x_step * sizeof (unsigned short); - p_out += sizeof (unsigned short); - } - else - { - unsigned int value = - *((unsigned int *) p_in); - gg_export_uint32 (value, p_out, endian, - endian_arch); - p_in += x_step * sizeof (unsigned int); - p_out += sizeof (unsigned int); - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img->bits_per_sample == 32) - { - float value = *((float *) p_in); - gg_export_float (value, p_out, endian, - endian_arch); - p_in += x_step * sizeof (float); - p_out += sizeof (float); - } - else - { - double value = *((double *) p_in); - gg_export_double (value, p_out, endian, - endian_arch); - p_in += x_step * sizeof (double); - p_out += sizeof (double); - } - break; - }; - } - else - { - memcpy (p_out, p_in, pixel_size); - p_in += x_step * pixel_size; - p_out += pixel_size; - } - } - } - p_out = (unsigned char *) out + size - sizeof (short); - gg_export_int16 (end_marker[i], p_out, endian, endian_arch); - } - - if (is_palette) - { - /* a palette is required */ - size = (3 * img->max_palette) + (2 * sizeof (short)) + 1; - out = malloc (size); - if (out == NULL) - goto stop; - p_out = out; - /* palette markers always are LITTLE-ENDIAN */ - gg_export_int16 (GG_ADAM7_PALETTE_START, p_out, 1, endian_arch); - p_out += sizeof (short); - *p_out++ = (unsigned char) (img->max_palette); - for (i = 0; i < img->max_palette; i++) - { - *p_out++ = img->palette_red[i]; - *p_out++ = img->palette_green[i]; - *p_out++ = img->palette_blue[i]; - } - gg_export_int16 (GG_ADAM7_PALETTE_END, p_out, 1, endian_arch); - *palette = out; - *palette_size = size; - } - - return GGRAPH_OK; - - stop: - for (i = 0; i < 7; i++) - { - if (mem_bufs[i]) - free (mem_bufs[i]); - mem_bufs[i] = NULL; - mem_buf_sizes[i] = 0; - } - return GGRAPH_INSUFFICIENT_MEMORY; -} - -static gGraphImagePtr -adam7_decode (int img_no, void *mem_buf, int mem_buf_size) -{ -/* decoding an Adam7 sub-image */ - unsigned char *p_in; - int endian_arch = gg_endian_arch (); - int endian; - short start_signature; - short end_signature; - short width; - short height; - int x; - int y; - int pixel_format = GG_PIXEL_UNKNOWN; - int sample_format; - int bits_per_sample; - int samples_per_pixel = 1; - int size; - gGraphImagePtr img = NULL; - - if (mem_buf_size < (int) (sizeof (short) * 4)) - return NULL; -/* -* tiles are alternatively encoded as LITTLE or BIG-ENDIAN -* in order to ensure an arch-neutral approach -*/ - if (img_no == 0 || img_no == 2 || img_no == 4 || img_no == 6) - endian = 0; - else - endian = 1; - -/* checking signatures */ - p_in = mem_buf; - start_signature = gg_import_int16 (p_in, endian, endian_arch); - p_in = (unsigned char *) mem_buf + mem_buf_size - sizeof (short); - end_signature = gg_import_int16 (p_in, endian, endian_arch); - - switch (img_no) - { - case 0: - if (start_signature == GG_ADAM7_0_RGB_START - && end_signature == GG_ADAM7_0_RGB_END) - { - pixel_format = GG_PIXEL_RGB; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - samples_per_pixel = 3; - } - if (start_signature == GG_ADAM7_0_GRAYSCALE_START - && end_signature == GG_ADAM7_0_GRAYSCALE_END) - { - pixel_format = GG_PIXEL_GRAYSCALE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_0_PALETTE_START - && end_signature == GG_ADAM7_0_PALETTE_END) - { - pixel_format = GG_PIXEL_PALETTE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_0_INT16_START - && end_signature == GG_ADAM7_0_INT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_0_INT32_START - && end_signature == GG_ADAM7_0_INT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_0_UINT16_START - && end_signature == GG_ADAM7_0_UINT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_0_UINT32_START - && end_signature == GG_ADAM7_0_UINT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_0_FLOAT_START - && end_signature == GG_ADAM7_0_FLOAT_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_0_DOUBLE_START - && end_signature == GG_ADAM7_0_DOUBLE_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 64; - } - break; - case 1: - if (start_signature == GG_ADAM7_1_RGB_START - && end_signature == GG_ADAM7_1_RGB_END) - { - pixel_format = GG_PIXEL_RGB; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - samples_per_pixel = 3; - } - if (start_signature == GG_ADAM7_1_GRAYSCALE_START - && end_signature == GG_ADAM7_1_GRAYSCALE_END) - { - pixel_format = GG_PIXEL_GRAYSCALE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_1_PALETTE_START - && end_signature == GG_ADAM7_1_PALETTE_END) - { - pixel_format = GG_PIXEL_PALETTE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_1_INT16_START - && end_signature == GG_ADAM7_1_INT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_1_INT32_START - && end_signature == GG_ADAM7_1_INT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_1_UINT16_START - && end_signature == GG_ADAM7_1_UINT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_1_UINT32_START - && end_signature == GG_ADAM7_1_UINT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_1_FLOAT_START - && end_signature == GG_ADAM7_1_FLOAT_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_1_DOUBLE_START - && end_signature == GG_ADAM7_1_DOUBLE_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 64; - } - break; - case 2: - if (start_signature == GG_ADAM7_2_RGB_START - && end_signature == GG_ADAM7_2_RGB_END) - { - pixel_format = GG_PIXEL_RGB; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - samples_per_pixel = 3; - } - if (start_signature == GG_ADAM7_2_GRAYSCALE_START - && end_signature == GG_ADAM7_2_GRAYSCALE_END) - { - pixel_format = GG_PIXEL_GRAYSCALE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_2_PALETTE_START - && end_signature == GG_ADAM7_2_PALETTE_END) - { - pixel_format = GG_PIXEL_PALETTE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_2_INT16_START - && end_signature == GG_ADAM7_2_INT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_2_INT32_START - && end_signature == GG_ADAM7_2_INT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_2_UINT16_START - && end_signature == GG_ADAM7_2_UINT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_2_UINT32_START - && end_signature == GG_ADAM7_2_UINT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_2_FLOAT_START - && end_signature == GG_ADAM7_2_FLOAT_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_2_DOUBLE_START - && end_signature == GG_ADAM7_2_DOUBLE_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 64; - } - break; - case 3: - if (start_signature == GG_ADAM7_3_RGB_START - && end_signature == GG_ADAM7_3_RGB_END) - { - pixel_format = GG_PIXEL_RGB; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - samples_per_pixel = 3; - } - if (start_signature == GG_ADAM7_3_GRAYSCALE_START - && end_signature == GG_ADAM7_3_GRAYSCALE_END) - { - pixel_format = GG_PIXEL_GRAYSCALE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_3_PALETTE_START - && end_signature == GG_ADAM7_3_PALETTE_END) - { - pixel_format = GG_PIXEL_PALETTE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_3_INT16_START - && end_signature == GG_ADAM7_3_INT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_3_INT32_START - && end_signature == GG_ADAM7_3_INT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_3_UINT16_START - && end_signature == GG_ADAM7_3_UINT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_3_UINT32_START - && end_signature == GG_ADAM7_3_UINT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_3_FLOAT_START - && end_signature == GG_ADAM7_3_FLOAT_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_3_DOUBLE_START - && end_signature == GG_ADAM7_3_DOUBLE_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 64; - } - break; - case 4: - if (start_signature == GG_ADAM7_4_RGB_START - && end_signature == GG_ADAM7_4_RGB_END) - { - pixel_format = GG_PIXEL_RGB; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - samples_per_pixel = 3; - } - if (start_signature == GG_ADAM7_4_GRAYSCALE_START - && end_signature == GG_ADAM7_4_GRAYSCALE_END) - { - pixel_format = GG_PIXEL_GRAYSCALE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_4_PALETTE_START - && end_signature == GG_ADAM7_4_PALETTE_END) - { - pixel_format = GG_PIXEL_PALETTE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_4_INT16_START - && end_signature == GG_ADAM7_4_INT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_4_INT32_START - && end_signature == GG_ADAM7_4_INT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_4_UINT16_START - && end_signature == GG_ADAM7_4_UINT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_4_UINT32_START - && end_signature == GG_ADAM7_4_UINT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_4_FLOAT_START - && end_signature == GG_ADAM7_4_FLOAT_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_4_DOUBLE_START - && end_signature == GG_ADAM7_4_DOUBLE_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 64; - } - break; - case 5: - if (start_signature == GG_ADAM7_5_RGB_START - && end_signature == GG_ADAM7_5_RGB_END) - { - pixel_format = GG_PIXEL_RGB; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - samples_per_pixel = 3; - } - if (start_signature == GG_ADAM7_5_GRAYSCALE_START - && end_signature == GG_ADAM7_5_GRAYSCALE_END) - { - pixel_format = GG_PIXEL_GRAYSCALE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_5_PALETTE_START - && end_signature == GG_ADAM7_5_PALETTE_END) - { - pixel_format = GG_PIXEL_PALETTE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_5_INT16_START - && end_signature == GG_ADAM7_5_INT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_5_INT32_START - && end_signature == GG_ADAM7_5_INT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_5_UINT16_START - && end_signature == GG_ADAM7_5_UINT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_5_UINT32_START - && end_signature == GG_ADAM7_5_UINT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_5_FLOAT_START - && end_signature == GG_ADAM7_5_FLOAT_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_5_DOUBLE_START - && end_signature == GG_ADAM7_5_DOUBLE_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 64; - } - break; - case 6: - if (start_signature == GG_ADAM7_6_RGB_START - && end_signature == GG_ADAM7_6_RGB_END) - { - pixel_format = GG_PIXEL_RGB; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - samples_per_pixel = 3; - } - if (start_signature == GG_ADAM7_6_GRAYSCALE_START - && end_signature == GG_ADAM7_6_GRAYSCALE_END) - { - pixel_format = GG_PIXEL_GRAYSCALE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_6_PALETTE_START - && end_signature == GG_ADAM7_6_PALETTE_END) - { - pixel_format = GG_PIXEL_PALETTE; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 8; - } - if (start_signature == GG_ADAM7_6_INT16_START - && end_signature == GG_ADAM7_6_INT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_6_INT32_START - && end_signature == GG_ADAM7_6_INT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_INT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_6_UINT16_START - && end_signature == GG_ADAM7_6_UINT16_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 16; - } - if (start_signature == GG_ADAM7_6_UINT32_START - && end_signature == GG_ADAM7_6_UINT32_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_UINT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_6_FLOAT_START - && end_signature == GG_ADAM7_6_FLOAT_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 32; - } - if (start_signature == GG_ADAM7_6_DOUBLE_START - && end_signature == GG_ADAM7_6_DOUBLE_END) - { - pixel_format = GG_PIXEL_GRID; - sample_format = GGRAPH_SAMPLE_FLOAT; - bits_per_sample = 64; - } - break; - }; - if (pixel_format == GG_PIXEL_UNKNOWN) - return NULL; - -/* retrieving image dimensions */ - p_in = mem_buf; - p_in += sizeof (short); - width = gg_import_int16 (p_in, endian, endian_arch); - p_in += sizeof (short); - height = gg_import_int16 (p_in, endian, endian_arch); - p_in += sizeof (short); - if (width == 0 || height == 0) - return NULL; - -/* checking the pix-buffer size */ - switch (pixel_format) - { - case GG_PIXEL_RGB: - case GG_PIXEL_GRAYSCALE: - size = width * height * samples_per_pixel; - break; - case GG_PIXEL_PALETTE: - size = width * height; - break; - case GG_PIXEL_GRID: - switch (sample_format) - { - case GGRAPH_SAMPLE_INT: - if (bits_per_sample == 16) - size = width * height * sizeof (short); - else - size = width * height * sizeof (int); - break; - case GGRAPH_SAMPLE_UINT: - if (bits_per_sample == 16) - size = width * height * sizeof (unsigned short); - else - size = width * height * sizeof (unsigned int); - break; - case GGRAPH_SAMPLE_FLOAT: - if (bits_per_sample == 32) - size = width * height * sizeof (float); - else - size = width * height * sizeof (double); - break; - }; - break; - }; - if (size != mem_buf_size - (4 * (int) sizeof (short))) - return NULL; - -/* allocating a new image */ - img = - gg_image_create (pixel_format, width, height, bits_per_sample, - samples_per_pixel, sample_format, NULL, NULL); - if (!img) - return NULL; - - if (pixel_format == GG_PIXEL_GRID) - { - /* extracting GRID-values accordingly to endianness */ - short *p_short = (short *) (img->pixels); - int *p_int = (int *) (img->pixels); - unsigned short *p_ushort = (unsigned short *) (img->pixels); - unsigned int *p_uint = (unsigned int *) (img->pixels); - float *p_float = (float *) (img->pixels); - double *p_double = (double *) (img->pixels); - for (y = 0; y < height; y++) - { - for (x = 0; x < width; x++) - { - switch (sample_format) - { - case GGRAPH_SAMPLE_INT: - if (bits_per_sample == 16) - { - short value = gg_import_int16 (p_in, endian, - endian_arch); - p_in += sizeof (short); - *p_short++ = value; - } - else - { - int value = gg_import_int32 (p_in, endian, - endian_arch); - p_in += sizeof (int); - *p_int++ = value; - } - break; - case GGRAPH_SAMPLE_UINT: - if (bits_per_sample == 16) - { - unsigned short value = - gg_import_uint16 (p_in, endian, - endian_arch); - p_in += sizeof (unsigned short); - *p_ushort++ = value; - } - else - { - unsigned int value = - gg_import_uint32 (p_in, endian, - endian_arch); - p_in += sizeof (unsigned int); - *p_uint++ = value; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (bits_per_sample == 32) - { - float value = gg_import_float (p_in, endian, - endian_arch); - p_in += sizeof (float); - *p_float++ = value; - } - else - { - double value = gg_import_double (p_in, endian, - endian_arch); - p_in += sizeof (double); - *p_double++ = value; - } - break; - }; - } - } - } - else - memcpy (img->pixels, p_in, size); - return img; -} - -static int -check_adam7_subs (gGraphImagePtr im1, gGraphImagePtr im2) -{ -/* checks if two Adam7 images are of the same type */ - if (im1->pixel_format != im2->pixel_format) - return 0; - if (im1->sample_format != im2->sample_format) - return 0; - if (im1->samples_per_pixel != im2->samples_per_pixel) - return 0; - if (im1->bits_per_sample != im2->bits_per_sample) - return 0; - return 1; -} - -static int -get_adam7_dims_4 (gGraphImagePtr img_0, gGraphImagePtr img_1, - gGraphImagePtr img_2, int *width, int *height) -{ -/* checking/computing Adam7 dimensions [1:4 scale] */ - int w; - int h; - int out_width; - int out_height; - - out_width = (img_0->width * 2) - 1; - out_height = (img_0->height * 2) - 1; - - w = img_1->width * 2; - h = (img_0->height * 2) - 1; - if (w > out_width) - out_width = w; - if (h > out_height) - out_height = h; - - w = img_2->width; - h = img_2->height * 2; - if (w > out_width) - out_width = w; - if (h > out_height) - out_height = h; - - *width = out_width; - *height = out_height; - return 1; -} - -static int -get_adam7_dims_2 (gGraphImagePtr img_0, gGraphImagePtr img_1, - gGraphImagePtr img_2, gGraphImagePtr img_3, - gGraphImagePtr img_4, int *width, int *height) -{ -/* checking/computing Adam7 dimensions [1:2 scale] */ - int w; - int h; - int out_width; - int out_height; - - out_width = (img_0->width * 4) - 3; - out_height = (img_0->height * 4) - 3; - - w = (img_1->width * 4) - 1; - h = (img_0->height * 4) - 3; - if (w > out_width) - out_width = w; - if (h > out_height) - out_height = h; - - w = (img_2->width * 2) - 1; - h = (img_2->height * 4) - 1; - if (w > out_width) - out_width = w; - if (h > out_height) - out_height = h; - - w = img_3->width * 2; - h = (img_3->height * 2) - 1; - if (w > out_width) - out_width = w; - if (h > out_height) - out_height = h; - - w = img_4->width; - h = img_4->height * 2; - if (w > out_width) - out_width = w; - if (h > out_height) - out_height = h; - - *width = out_width; - *height = out_height; - return 1; -} - -static int -get_adam7_dims_1 (gGraphImagePtr img_0, gGraphImagePtr img_1, - gGraphImagePtr img_2, gGraphImagePtr img_3, - gGraphImagePtr img_4, gGraphImagePtr img_5, - gGraphImagePtr img_6, int *width, int *height) -{ -/* computing Adam7 dimensions [1:1 scale] */ - int w; - int h; - int out_width; - int out_height; - - out_width = (img_0->width * 8) - 7; - out_height = (img_0->height * 8) - 7; - - w = (img_1->width * 8) - 3; - h = (img_0->height * 8) - 7; - if (w > out_width) - out_width = w; - if (h > out_height) - out_height = h; - - w = (img_2->width * 4) - 3; - h = (img_2->height * 8) - 3; - if (w > out_width) - out_width = w; - if (h > out_height) - out_height = h; - - w = (img_3->width * 4) - 1; - h = (img_3->height * 4) - 3; - if (w > out_width) - out_width = w; - if (h > out_height) - out_height = h; - - w = (img_4->width * 2) - 1; - h = (img_4->height * 4) - 1; - if (w > out_width) - out_width = w; - if (h > out_height) - out_height = h; - - w = img_5->width * 2; - h = (img_5->height * 2) - 1; - if (w > out_width) - out_width = w; - if (h > out_height) - out_height = h; - - w = img_6->width; - h = img_6->height * 2; - if (w > out_width) - out_width = w; - if (h > out_height) - out_height = h; - - *width = out_width; - *height = out_height; - return 1; -} - -static gGraphImagePtr -merge_adam7_scale_1 (gGraphImagePtr img_0, gGraphImagePtr img_1, - gGraphImagePtr img_2, gGraphImagePtr img_3, - gGraphImagePtr img_4, gGraphImagePtr img_5, - gGraphImagePtr img_6, int width, int height) -{ -/* decoding an Adam7 image (1:1) */ - int x; - int y; - unsigned char *p_in; - unsigned char *p_out; - gGraphImagePtr img = gg_image_create (img_0->pixel_format, width, height, - img_0->bits_per_sample, - img_0->samples_per_pixel, - img_0->sample_format, NULL, - NULL); - if (!img) - return NULL; - -/* expanding SubImage-0 */ - for (y = 0; y < img_0->height; y++) - { - p_in = img_0->pixels + (y * img_0->scanline_width); - p_out = img->pixels + ((y * 8) * img->scanline_width); - for (x = 0; x < img_0->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - p_out += (7 * 3); - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out = *p_in++; - p_out += 8; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short) * 8; - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int) * 8; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short) * 8; - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int) * 8; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float) * 8; - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double) * 8; - } - break; - }; - break; - }; - } - } - -/* expanding SubImage-1 */ - for (y = 0; y < img_1->height; y++) - { - p_in = img_1->pixels + (y * img_1->scanline_width); - p_out = - img->pixels + ((y * 8) * img->scanline_width) + - (4 * img->pixel_size); - for (x = 0; x < img_1->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - p_out += (7 * 3); - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out = *p_in++; - p_out += 8; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short) * 8; - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int) * 8; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short) * 8; - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int) * 8; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float) * 8; - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double) * 8; - } - break; - }; - break; - }; - } - } - -/* expanding SubImage-2 */ - for (y = 0; y < img_2->height; y++) - { - p_in = img_2->pixels + (y * img_2->scanline_width); - p_out = img->pixels + (((y * 8) + 4) * img->scanline_width); - for (x = 0; x < img_2->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - p_out += (3 * 3); - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out = *p_in++; - p_out += 4; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short) * 4; - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int) * 4; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short) * 4; - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int) * 4; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float) * 4; - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double) * 4; - } - break; - }; - break; - }; - } - } - -/* expanding SubImage-3 */ - for (y = 0; y < img_3->height; y++) - { - p_in = img_3->pixels + (y * img_3->scanline_width); - p_out = - img->pixels + ((y * 4) * img->scanline_width) + - (2 * img->pixel_size); - for (x = 0; x < img_3->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - p_out += (3 * 3); - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out = *p_in++; - p_out += 4; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short) * 4; - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int) * 4; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short) * 4; - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int) * 4; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float) * 4; - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double) * 4; - } - break; - }; - break; - }; - } - } - -/* expanding SubImage-4 */ - for (y = 0; y < img_4->height; y++) - { - p_in = img_4->pixels + (y * img_4->scanline_width); - p_out = img->pixels + (((y * 4) + 2) * img->scanline_width); - for (x = 0; x < img_4->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - p_out += 3; - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out = *p_in++; - p_out += 2; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short) * 2; - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int) * 2; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short) * 2; - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int) * 2; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float) * 2; - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double) * 2; - } - break; - }; - break; - }; - } - } - -/* expanding SubImage-5 */ - for (y = 0; y < img_5->height; y++) - { - p_in = img_5->pixels + (y * img_5->scanline_width); - p_out = - img->pixels + ((y * 2) * img->scanline_width) + img->pixel_size; - for (x = 0; x < img_5->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - p_out += 3; - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out = *p_in++; - p_out += 2; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short) * 2; - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int) * 2; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short) * 2; - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int) * 2; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float) * 2; - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double) * 2; - } - break; - }; - break; - }; - } - } - -/* expanding SubImage-6 */ - for (y = 0; y < img_6->height; y++) - { - p_in = img_6->pixels + (y * img_6->scanline_width); - p_out = img->pixels + (((y * 2) + 1) * img->scanline_width); - for (x = 0; x < img_6->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out++ = *p_in++; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short); - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int); - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short); - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int); - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float); - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double); - } - break; - }; - break; - }; - } - } - - return img; -} - -static gGraphImagePtr -merge_adam7_scale_2 (gGraphImagePtr img_0, gGraphImagePtr img_1, - gGraphImagePtr img_2, gGraphImagePtr img_3, - gGraphImagePtr img_4, int width, int height) -{ -/* decoding an Adam7 image (1:2) */ - int x; - int y; - unsigned char *p_in; - unsigned char *p_out; - gGraphImagePtr img = gg_image_create (img_0->pixel_format, width, height, - img_0->bits_per_sample, - img_0->samples_per_pixel, - img_0->sample_format, NULL, - NULL); - if (!img) - return NULL; - -/* expanding SubImage-0 */ - for (y = 0; y < img_0->height; y++) - { - p_in = img_0->pixels + (y * img_0->scanline_width); - p_out = img->pixels + ((y * 4) * img->scanline_width); - for (x = 0; x < img_0->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - p_out += (3 * 3); - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out = *p_in++; - p_out += 4; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short) * 4; - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int) * 4; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short) * 4; - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int) * 4; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float) * 4; - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double) * 4; - } - break; - }; - break; - }; - } - } - -/* expanding SubImage-1 */ - for (y = 0; y < img_1->height; y++) - { - p_in = img_1->pixels + (y * img_1->scanline_width); - p_out = - img->pixels + ((y * 4) * img->scanline_width) + - (2 * img->pixel_size); - for (x = 0; x < img_1->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - p_out += (3 * 3); - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out = *p_in++; - p_out += 4; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short) * 4; - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int) * 4; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short) * 4; - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int) * 4; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float) * 4; - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double) * 4; - } - break; - }; - break; - }; - } - } - -/* expanding SubImage-2 */ - for (y = 0; y < img_2->height; y++) - { - p_in = img_2->pixels + (y * img_2->scanline_width); - p_out = img->pixels + (((y * 4) + 2) * img->scanline_width); - for (x = 0; x < img_2->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - p_out += 3; - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out = *p_in++; - p_out += 2; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short) * 2; - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int) * 2; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short) * 2; - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int) * 2; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float) * 2; - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double) * 2; - } - break; - }; - break; - }; - } - } - -/* expanding SubImage-3 */ - for (y = 0; y < img_3->height; y++) - { - p_in = img_3->pixels + (y * img_3->scanline_width); - p_out = - img->pixels + ((y * 2) * img->scanline_width) + img->pixel_size; - for (x = 0; x < img_3->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - p_out += 3; - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out = *p_in++; - p_out += 2; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short) * 2; - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int) * 2; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short) * 2; - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int) * 2; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float) * 2; - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double) * 2; - } - break; - }; - break; - }; - } - } - -/* expanding SubImage-4 */ - for (y = 0; y < img_4->height; y++) - { - p_in = img_4->pixels + (y * img_4->scanline_width); - p_out = img->pixels + (((y * 2) + 1) * img->scanline_width); - for (x = 0; x < img_4->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out++ = *p_in++; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short); - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int); - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short); - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int); - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float); - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double); - } - break; - }; - break; - }; - } - } - - return img; -} - -static gGraphImagePtr -merge_adam7_scale_4 (gGraphImagePtr img_0, gGraphImagePtr img_1, - gGraphImagePtr img_2, int width, int height) -{ -/* decoding an Adam7 image (1:4) */ - int x; - int y; - unsigned char *p_in; - unsigned char *p_out; - gGraphImagePtr img = gg_image_create (img_0->pixel_format, width, height, - img_0->bits_per_sample, - img_0->samples_per_pixel, - img_0->sample_format, NULL, - NULL); - if (!img) - return NULL; - -/* expanding SubImage-0 */ - for (y = 0; y < img_0->height; y++) - { - p_in = img_0->pixels + (y * img_0->scanline_width); - p_out = img->pixels + ((y * 2) * img->scanline_width); - for (x = 0; x < img_0->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - p_out += 3; - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out = *p_in++; - p_out += 2; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short) * 2; - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int) * 2; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short) * 2; - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int) * 2; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float) * 2; - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double) * 2; - } - break; - }; - break; - }; - } - } - -/* expanding SubImage-1 */ - for (y = 0; y < img_1->height; y++) - { - p_in = img_1->pixels + (y * img_1->scanline_width); - p_out = - img->pixels + ((y * 2) * img->scanline_width) + img->pixel_size; - for (x = 0; x < img_1->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - p_out += 3; - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out = *p_in++; - p_out += 2; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short) * 2; - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int) * 2; - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short) * 2; - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int) * 2; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float) * 2; - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double) * 2; - } - break; - }; - break; - }; - } - } - -/* expanding SubImage-2 */ - for (y = 0; y < img_2->height; y++) - { - p_in = img_2->pixels + (y * img_2->scanline_width); - p_out = img->pixels + (((y * 2) + 1) * img->scanline_width); - for (x = 0; x < img_2->width; x++) - { - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = *p_in++; - *p_out++ = *p_in++; - *p_out++ = *p_in++; - break; - case GG_PIXEL_GRAYSCALE: - case GG_PIXEL_PALETTE: - *p_out++ = *p_in++; - break; - case GG_PIXEL_GRID: - switch (img_0->pixel_format) - { - case GGRAPH_SAMPLE_INT: - if (img_0->bits_per_sample == 16) - { - short *p = (short *) p_in; - short value = *p; - p_in += sizeof (short); - p = (short *) p_out; - *p = value; - p_out += sizeof (short); - } - else - { - int *p = (int *) p_in; - int value = *p; - p_in += sizeof (int); - p = (int *) p_out; - *p = value; - p_out += sizeof (int); - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_0->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - unsigned short value = *p; - p_in += sizeof (unsigned short); - p = (unsigned short *) p_out; - *p = value; - p_out += sizeof (unsigned short); - } - else - { - unsigned int *p = (unsigned int *) p_in; - int value = *p; - p_in += sizeof (unsigned int); - p = (unsigned int *) p_out; - *p = value; - p_out += sizeof (unsigned int); - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_0->bits_per_sample == 32) - { - float *p = (float *) p_in; - float value = *p; - p_in += sizeof (float); - p = (float *) p_out; - *p = value; - p_out += sizeof (float); - } - else - { - double *p = (double *) p_in; - double value = *p; - p_in += sizeof (double); - p = (double *) p_out; - *p = value; - p_out += sizeof (double); - } - break; - }; - break; - }; - } - } - - return img; -} - -static int -adam7_set_palette (gGraphImagePtr img, void *palette, int palette_size) -{ -/* setting up a palette */ - unsigned char *p_in; - int endian_arch = gg_endian_arch (); - short palette_start; - short palette_end; - int i; - - if (img->pixel_format != GG_PIXEL_PALETTE) - return 0; - -/* checking signatures */ - if (palette_size < (int) ((sizeof (short) * 2) + 1)) - return 0; - p_in = palette; - palette_start = gg_import_int16 (p_in, 1, endian_arch); - p_in = (unsigned char *) palette + palette_size - sizeof (short); - palette_end = gg_import_int16 (p_in, 1, endian_arch); - if (palette_start == GG_ADAM7_PALETTE_START - && palette_end == GG_ADAM7_PALETTE_END) - ; - else - return 0; - - p_in = (unsigned char *) palette + sizeof (short); - img->max_palette = *p_in++; - for (i = 0; i < img->max_palette; i++) - { - img->palette_red[i] = *p_in++; - img->palette_green[i] = *p_in++; - img->palette_blue[i] = *p_in++; - } - return 1; -} - -GGRAPH_DECLARE int -gGraphImageFromAdam7 (void *mem_bufs[7], int mem_buf_sizes[7], void *palette, - int palette_size, const void **image_handle, int scale) -{ -/* decoding an image from Adam7 */ - gGraphImagePtr img_0 = NULL; - gGraphImagePtr img_1 = NULL; - gGraphImagePtr img_2 = NULL; - gGraphImagePtr img_3 = NULL; - gGraphImagePtr img_4 = NULL; - gGraphImagePtr img_5 = NULL; - gGraphImagePtr img_6 = NULL; - gGraphImagePtr img; - int width; - int height; - - *image_handle = NULL; - -/* checking sub-images */ - if (scale == 8) - { - if (mem_bufs[0] == NULL || mem_buf_sizes[0] <= 0) - goto stop; - img_0 = adam7_decode (0, mem_bufs[0], mem_buf_sizes[0]); - if (!img_0) - goto stop; - if (img_0->pixel_format == GG_PIXEL_PALETTE) - { - if (!adam7_set_palette (img_0, palette, palette_size)) - goto stop; - } - *image_handle = img_0; - return GGRAPH_OK; - } - else if (scale == 4) - { - if (mem_bufs[0] == NULL || mem_buf_sizes[0] <= 0) - goto stop; - if (mem_bufs[1] == NULL || mem_buf_sizes[1] <= 0) - goto stop; - if (mem_bufs[2] == NULL || mem_buf_sizes[2] <= 0) - goto stop; - img_0 = adam7_decode (0, mem_bufs[0], mem_buf_sizes[0]); - if (!img_0) - goto stop; - img_1 = adam7_decode (1, mem_bufs[1], mem_buf_sizes[1]); - if (!img_1) - goto stop; - img_2 = adam7_decode (2, mem_bufs[2], mem_buf_sizes[2]); - if (!img_2) - goto stop; - if (!check_adam7_subs (img_0, img_1)) - goto stop; - if (!check_adam7_subs (img_0, img_2)) - goto stop; - if (!get_adam7_dims_4 (img_0, img_1, img_2, &width, &height)) - goto stop; - img = merge_adam7_scale_4 (img_0, img_1, img_2, width, height); - if (!img) - goto stop; - gGraphDestroyImage (img_0); - gGraphDestroyImage (img_1); - gGraphDestroyImage (img_2); - if (img->pixel_format == GG_PIXEL_PALETTE) - { - if (!adam7_set_palette (img, palette, palette_size)) - goto stop; - } - *image_handle = img; - return GGRAPH_OK; - } - else if (scale == 2) - { - if (mem_bufs[0] == NULL || mem_buf_sizes[0] <= 0) - goto stop; - if (mem_bufs[1] == NULL || mem_buf_sizes[1] <= 0) - goto stop; - if (mem_bufs[2] == NULL || mem_buf_sizes[2] <= 0) - goto stop; - if (mem_bufs[3] == NULL || mem_buf_sizes[3] <= 0) - goto stop; - if (mem_bufs[4] == NULL || mem_buf_sizes[4] <= 0) - goto stop; - img_0 = adam7_decode (0, mem_bufs[0], mem_buf_sizes[0]); - if (!img_0) - goto stop; - img_1 = adam7_decode (1, mem_bufs[1], mem_buf_sizes[1]); - if (!img_1) - goto stop; - img_2 = adam7_decode (2, mem_bufs[2], mem_buf_sizes[2]); - if (!img_2) - goto stop; - img_3 = adam7_decode (3, mem_bufs[3], mem_buf_sizes[3]); - if (!img_3) - goto stop; - img_4 = adam7_decode (4, mem_bufs[4], mem_buf_sizes[4]); - if (!img_4) - goto stop; - if (!check_adam7_subs (img_0, img_1)) - goto stop; - if (!check_adam7_subs (img_0, img_2)) - goto stop; - if (!check_adam7_subs (img_0, img_3)) - goto stop; - if (!check_adam7_subs (img_0, img_4)) - goto stop; - if (!get_adam7_dims_2 - (img_0, img_1, img_2, img_3, img_4, &width, &height)) - goto stop; - img = - merge_adam7_scale_2 (img_0, img_1, img_2, img_3, img_4, width, - height); - if (!img) - goto stop; - gGraphDestroyImage (img_0); - gGraphDestroyImage (img_1); - gGraphDestroyImage (img_2); - gGraphDestroyImage (img_3); - gGraphDestroyImage (img_4); - if (img->pixel_format == GG_PIXEL_PALETTE) - { - if (!adam7_set_palette (img, palette, palette_size)) - goto stop; - } - *image_handle = img; - return GGRAPH_OK; - } - else - { - if (mem_bufs[0] == NULL || mem_buf_sizes[0] <= 0) - goto stop; - if (mem_bufs[1] == NULL || mem_buf_sizes[1] <= 0) - goto stop; - if (mem_bufs[2] == NULL || mem_buf_sizes[2] <= 0) - goto stop; - if (mem_bufs[3] == NULL || mem_buf_sizes[3] <= 0) - goto stop; - if (mem_bufs[4] == NULL || mem_buf_sizes[4] <= 0) - goto stop; - if (mem_bufs[5] == NULL || mem_buf_sizes[5] <= 0) - goto stop; - if (mem_bufs[6] == NULL || mem_buf_sizes[6] <= 0) - goto stop; - img_0 = adam7_decode (0, mem_bufs[0], mem_buf_sizes[0]); - if (!img_0) - goto stop; - img_1 = adam7_decode (1, mem_bufs[1], mem_buf_sizes[1]); - if (!img_1) - goto stop; - img_2 = adam7_decode (2, mem_bufs[2], mem_buf_sizes[2]); - if (!img_2) - goto stop; - img_3 = adam7_decode (3, mem_bufs[3], mem_buf_sizes[3]); - if (!img_3) - goto stop; - img_4 = adam7_decode (4, mem_bufs[4], mem_buf_sizes[4]); - if (!img_4) - goto stop; - img_5 = adam7_decode (5, mem_bufs[5], mem_buf_sizes[5]); - if (!img_5) - goto stop; - img_6 = adam7_decode (6, mem_bufs[6], mem_buf_sizes[6]); - if (!img_6) - goto stop; - if (!check_adam7_subs (img_0, img_1)) - goto stop; - if (!check_adam7_subs (img_0, img_2)) - goto stop; - if (!check_adam7_subs (img_0, img_3)) - goto stop; - if (!check_adam7_subs (img_0, img_4)) - goto stop; - if (!check_adam7_subs (img_0, img_5)) - goto stop; - if (!check_adam7_subs (img_0, img_6)) - goto stop; - if (!get_adam7_dims_1 - (img_0, img_1, img_2, img_3, img_4, img_5, img_6, &width, - &height)) - goto stop; - img = - merge_adam7_scale_1 (img_0, img_1, img_2, img_3, img_4, img_5, - img_6, width, height); - if (!img) - goto stop; - gGraphDestroyImage (img_0); - gGraphDestroyImage (img_1); - gGraphDestroyImage (img_2); - gGraphDestroyImage (img_3); - gGraphDestroyImage (img_4); - gGraphDestroyImage (img_5); - gGraphDestroyImage (img_6); - if (img->pixel_format == GG_PIXEL_PALETTE) - { - if (!adam7_set_palette (img, palette, palette_size)) - goto stop; - } - *image_handle = img; - return GGRAPH_OK; - } - - stop: - if (img_0) - gGraphDestroyImage (img_0); - if (img_1) - gGraphDestroyImage (img_1); - if (img_2) - gGraphDestroyImage (img_2); - if (img_3) - gGraphDestroyImage (img_3); - if (img_4) - gGraphDestroyImage (img_4); - if (img_5) - gGraphDestroyImage (img_5); - if (img_6) - gGraphDestroyImage (img_6); - return GGRAPH_INVALID_IMAGE; -} - -GGRAPH_DECLARE int -gGraphImageToMonochrome (const void *ptr_img, void **mem_buf, int *mem_buf_size) -{ -/* encoding an image as Monochrome */ - int line_width; - int size; - void *out; - int endian_arch = gg_endian_arch (); - unsigned char *p_in; - unsigned char *p_out; - int x; - int y; - gGraphImagePtr img = (gGraphImagePtr) ptr_img; - - *mem_buf = NULL; - *mem_buf_size = 0; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img->pixel_format != GG_PIXEL_PALETTE) - return GGRAPH_INVALID_IMAGE; - - if (img->max_palette != 2) - return GGRAPH_INVALID_IMAGE; - if (img->palette_red[0] == 0 && img->palette_green[0] == 0 - && img->palette_blue[0] == 0 && img->palette_red[1] == 255 - && img->palette_green[1] == 255 && img->palette_blue[1] == 255) - ; - else if (img->palette_red[0] == 255 && img->palette_green[0] == 255 - && img->palette_blue[0] == 255 && img->palette_red[1] == 0 - && img->palette_green[1] == 0 && img->palette_blue[1] == 0) - ; - else - return GGRAPH_INVALID_IMAGE; - - line_width = img->width / 8; - if ((line_width * 8) < img->width) - line_width++; - size = line_width * img->height; - size += 4 * sizeof (short); - out = malloc (size); - if (!out) - goto stop; - p_out = out; - -/* -* monochrome tile signatures are encoded as LITTLE-ENDIAN -* but Width/Height are BID-ENDIAN encoded -*/ - gg_export_int16 (GG_MONOCHROME_START, p_out, 1, endian_arch); - p_out += sizeof (short); - gg_export_int16 (img->width, p_out, 0, endian_arch); - p_out += sizeof (short); - gg_export_int16 (img->height, p_out, 0, endian_arch); - p_out += sizeof (short); - - for (y = 0; y < img->height; y++) - { - unsigned char byte = 0x00; - int pos = 0; - p_in = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - int idx = *p_in++; - if (img->palette_red[idx] == 0) - { - /* handling a black pixel */ - switch (pos) - { - case 0: - byte |= 0x80; - break; - case 1: - byte |= 0x40; - break; - case 2: - byte |= 0x20; - break; - case 3: - byte |= 0x10; - break; - case 4: - byte |= 0x08; - break; - case 5: - byte |= 0x04; - break; - case 6: - byte |= 0x02; - break; - case 7: - byte |= 0x01; - break; - }; - } - pos++; - if (pos > 7) - { - /* exporting an octet */ - *p_out++ = byte; - byte = 0x00; - pos = 0; - } - } - if (pos > 0) /* exporting the last octet */ - *p_out++ = byte; - } - gg_export_int16 (GG_MONOCHROME_END, p_out, 1, endian_arch); - - *mem_buf = out; - *mem_buf_size = size; - return GGRAPH_OK; - - stop: - return GGRAPH_INSUFFICIENT_MEMORY; -} - -GGRAPH_DECLARE int -gGraphImageFromMonochrome (const void *mem_buf, int mem_buf_size, - const void **image_handle) -{ -/* decoding an image from Monochrome */ - const unsigned char *p_in; - int endian_arch = gg_endian_arch (); - short start_signature; - short end_signature; - short width; - short height; - int x; - int y; - int line_width; - gGraphImagePtr img; - - *image_handle = NULL; - - if (mem_buf_size < (int) (sizeof (short) * 4)) - return GGRAPH_INVALID_IMAGE; -/* -* monochrome tile signatures are encoded as LITTLE-ENDIAN -* but Width/Height are BID-ENDIAN encoded -*/ - -/* checking signatures */ - p_in = mem_buf; - start_signature = gg_import_int16 (p_in, 1, endian_arch); - p_in = (unsigned char *) mem_buf + mem_buf_size - sizeof (short); - end_signature = gg_import_int16 (p_in, 1, endian_arch); - if (start_signature == GG_MONOCHROME_START - && end_signature == GG_MONOCHROME_END) - ; - else - return GGRAPH_INVALID_IMAGE; - - p_in = mem_buf; - p_in += sizeof (short); - width = gg_import_int16 (p_in, 0, endian_arch); - p_in += sizeof (short); - height = gg_import_int16 (p_in, 0, endian_arch); - p_in += sizeof (short); - - line_width = width / 8; - if ((line_width * 8) < width) - line_width++; - if ((line_width * height) != (int) (mem_buf_size - (4 * sizeof (short)))) - return GGRAPH_INVALID_IMAGE; - - img = - gg_image_create (GG_PIXEL_PALETTE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - if (!img) - return GGRAPH_INSUFFICIENT_MEMORY; - - img->max_palette = 2; - img->palette_red[0] = 255; - img->palette_green[0] = 255; - img->palette_blue[0] = 255; - img->palette_red[1] = 0; - img->palette_green[1] = 0; - img->palette_blue[1] = 0; - - for (y = 0; y < height; y++) - { - unsigned char byte = 0x00; - unsigned char px; - int pixel; - int pos = 0; - unsigned char *p_out = img->pixels + (y * img->scanline_width); - for (x = 0; x < width; x++) - { - if (pos == 0) - byte = *p_in++; - pixel = 0; - switch (pos) - { - case 0: - px = byte & 0x80; - if (px == 0x80) - pixel = 1; - break; - case 1: - px = byte & 0x40; - if (px == 0x40) - pixel = 1; - break; - case 2: - px = byte & 0x20; - if (px == 0x20) - pixel = 1; - break; - case 3: - px = byte & 0x10; - if (px == 0x10) - pixel = 1; - break; - case 4: - px = byte & 0x08; - if (px == 0x08) - pixel = 1; - break; - case 5: - px = byte & 0x04; - if (px == 0x04) - pixel = 1; - break; - case 6: - px = byte & 0x02; - if (px == 0x02) - pixel = 1; - break; - case 7: - px = byte & 0x01; - if (px == 0x01) - pixel = 1; - break; - }; - *p_out++ = pixel; - pos++; - if (pos > 7) - { - byte = 0x00; - pos = 0; - } - } - } - - *image_handle = img; - return GGRAPH_OK; - -} DELETED src/gaiagraphics_aux.c Index: src/gaiagraphics_aux.c ================================================================== --- src/gaiagraphics_aux.c +++ src/gaiagraphics_aux.c @@ -1,4966 +0,0 @@ -/* -/ gaiagraphics_aux.c -/ -/ RAW image helpers -/ -/ version 1.0, 2010 July 20 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2009 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include -#include - -#include - -/* -/ the following patch supporting GeoTiff headers -/ was kindly contributed by Brad Hards: 2011-09-02 -*/ -#ifdef HAVE_GEOTIFF_GEOTIFF_H -#include -#include -#include -#include -#elif HAVE_LIBGEOTIFF_GEOTIFF_H -#include -#include -#include -#include -#else -#include -#include -#include -#include -#endif - -#ifdef _WIN32 -#include -#else -#include -#endif - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -GGRAPH_DECLARE const void * -gGraphCreateRgbImage (int width, int height) -{ -/* creating a new RGB image */ - return gg_image_create (GG_PIXEL_RGB, width, height, 8, 3, - GGRAPH_SAMPLE_UINT, NULL, NULL); -} - -GGRAPH_DECLARE const void * -gGraphCreateRgbImageFromBitmap (unsigned char *bitmap, int width, int height) -{ -/* creating a new RGB image */ - return gg_image_create_from_bitmap (bitmap, GG_PIXEL_RGB, width, height, 8, - 3, GGRAPH_SAMPLE_UINT, NULL, NULL); -} - -GGRAPH_DECLARE const void * -gGraphCreateRgbaImage (int width, int height) -{ -/* creating a new RGBA image */ - return gg_image_create (GG_PIXEL_RGBA, width, height, 8, 3, - GGRAPH_SAMPLE_UINT, NULL, NULL); -} - -GGRAPH_DECLARE const void * -gGraphCreateGrayscaleImage (int width, int height) -{ -/* creating a new Grayscale image */ - return gg_image_create (GG_PIXEL_GRAYSCALE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); -} - -GGRAPH_DECLARE const void * -gGraphCreatePaletteImage (int width, int height) -{ -/* creating a new Palette image */ - return gg_image_create (GG_PIXEL_PALETTE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); -} - -GGRAPH_DECLARE const void * -gGraphCreateMonochromeImage (int width, int height) -{ -/* creating a new Monochrome image */ - gGraphImagePtr img = gg_image_create (GG_PIXEL_PALETTE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - if (!img) - return NULL; - img->palette_red[0] = 255; - img->palette_green[0] = 255; - img->palette_blue[0] = 255; - img->palette_red[1] = 0; - img->palette_green[1] = 0; - img->palette_blue[1] = 0; - img->max_palette = 2; - return img; -} - -GGRAPH_DECLARE const void * -gGraphCreateGridInt16Image (int width, int height) -{ -/* creating a new GRID-INT16 image */ - return gg_image_create (GG_PIXEL_GRID, width, height, 16, 1, - GGRAPH_SAMPLE_INT, NULL, NULL); -} - -GGRAPH_DECLARE const void * -gGraphCreateGridUInt16Image (int width, int height) -{ -/* creating a new GRID-UINT16 image */ - return gg_image_create (GG_PIXEL_GRID, width, height, 16, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); -} - -GGRAPH_DECLARE const void * -gGraphCreateGridInt32Image (int width, int height) -{ -/* creating a new GRID-INT32 image */ - return gg_image_create (GG_PIXEL_GRID, width, height, 32, 1, - GGRAPH_SAMPLE_INT, NULL, NULL); -} - -GGRAPH_DECLARE const void * -gGraphCreateGridUInt32Image (int width, int height) -{ -/* creating a new GRID-UINT32 image */ - return gg_image_create (GG_PIXEL_GRID, width, height, 32, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); -} - -GGRAPH_DECLARE const void * -gGraphCreateGridFloatImage (int width, int height) -{ -/* creating a new GRID-FLOAT image */ - return gg_image_create (GG_PIXEL_GRID, width, height, 32, 1, - GGRAPH_SAMPLE_FLOAT, NULL, NULL); -} - -GGRAPH_DECLARE const void * -gGraphCreateGridDoubleImage (int width, int height) -{ -/* creating a new GRID-DOUBLE image */ - return gg_image_create (GG_PIXEL_GRID, width, height, 64, 1, - GGRAPH_SAMPLE_FLOAT, NULL, NULL); -} - -static unsigned char -to_grayscale2 (unsigned char r, unsigned char g, unsigned char b) -{ -/* computing a grayscale value */ - double dval = - (0.3 * (double) r) + (0.59 * (double) g) + (0.11 * (double) b); - int ival = (int) dval; - if (ival < 0) - ival = 0; - if (ival > 255) - ival = 255; - return (unsigned char) ival; -} - -GGRAPH_DECLARE int -gGraphImageBackgroundFill (const void *ptr, unsigned char red, - unsigned char green, unsigned char blue, - unsigned char alpha) -{ -/* filling the image background */ - int x; - int y; - unsigned char *p_out; - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - for (y = 0; y < img->height; y++) - { - p_out = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - if (img->pixel_format == GG_PIXEL_RGB) - { - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - if (img->pixel_format == GG_PIXEL_RGBA) - { - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - *p_out++ = alpha; - } - if (img->pixel_format == GG_PIXEL_ARGB) - { - *p_out++ = alpha; - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - if (img->pixel_format == GG_PIXEL_BGR) - { - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - } - if (img->pixel_format == GG_PIXEL_BGRA) - { - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - *p_out++ = alpha; - } - if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - int gray; - if (red == green && green == blue) - gray = red; - else - gray = to_grayscale2 (red, green, blue); - *p_out++ = gray; - } - if (img->pixel_format == GG_PIXEL_PALETTE) - *p_out++ = 0; - } - } - if (img->pixel_format == GG_PIXEL_PALETTE) - { - /* resetting an empty palette */ - img->max_palette = 1; - img->palette_red[0] = red; - img->palette_green[0] = green; - img->palette_blue[0] = blue; - } - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageSetTransparentColor (const void *ptr, unsigned char red, - unsigned char green, unsigned char blue) -{ -/* setting the image's transparent color */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - img->transparent_red = red; - img->transparent_green = green; - img->transparent_blue = blue; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageGetTransparentColor (const void *ptr, unsigned char *red, - unsigned char *green, unsigned char *blue) -{ -/* querying the image's transparent color */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - *red = img->transparent_red; - *green = img->transparent_green; - *blue = img->transparent_blue; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphGridBackgroundFill (const void *ptr, double no_data_value) -{ -/* filling the image (GRID) background */ - int x; - int y; - unsigned char *p_out; - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - for (y = 0; y < img->height; y++) - { - p_out = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - if (img->pixel_format == GG_PIXEL_GRID) - { - switch (img->sample_format) - { - case GGRAPH_SAMPLE_INT: - if (img->bits_per_sample == 16) - { - short *p = (short *) p_out; - *p = (short) no_data_value; - p_out += sizeof (short); - } - else - { - int *p = (int *) p_out; - *p = (int) no_data_value; - p_out += sizeof (int); - } - break; - case GGRAPH_SAMPLE_UINT: - if (img->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_out; - *p = (unsigned short) no_data_value; - p_out += sizeof (unsigned short); - } - else - { - unsigned int *p = (unsigned int *) p_out; - *p = (unsigned int) no_data_value; - p_out += sizeof (unsigned int); - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img->bits_per_sample == 32) - { - float *p = (float *) p_out; - *p = (float) no_data_value; - p_out += sizeof (float); - } - else - { - double *p = (double *) p_out; - *p = no_data_value; - p_out += sizeof (double); - } - break; - }; - } - } - } - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageSetNoDataValue (const void *ptr, double no_data_value) -{ -/* setting the image's NoDataValue */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - img->no_data_value = no_data_value; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageGetNoDataValue (const void *ptr, double *no_data_value) -{ -/* querying the image's NoDataValue */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - *no_data_value = img->no_data_value; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageInfosFromMemBuf (const void *mem_buf, int mem_buf_size, - int image_type, const void **infos_handle) -{ -/* retrieving Image infos from a memory block containing an encoded image */ - gGraphImageInfosPtr infos = NULL; - int ret; - - *infos_handle = NULL; - switch (image_type) - { - case GGRAPH_IMAGE_GIF: - ret = - gg_image_infos_from_gif (mem_buf_size, mem_buf, - GG_TARGET_IS_MEMORY, &infos); - break; - case GGRAPH_IMAGE_PNG: - ret = - gg_image_infos_from_png (mem_buf_size, mem_buf, - GG_TARGET_IS_MEMORY, &infos); - break; - case GGRAPH_IMAGE_JPEG: - ret = - gg_image_infos_from_jpeg (mem_buf_size, mem_buf, - GG_TARGET_IS_MEMORY, &infos); - break; - case GGRAPH_IMAGE_TIFF: - case GGRAPH_IMAGE_GEOTIFF: - ret = gg_image_infos_from_mem_tiff (mem_buf_size, mem_buf, &infos); - break; - } - if (ret != GGRAPH_OK) - return ret; - - *infos_handle = infos; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageInfosFromFile (const char *path, int image_type, - const void **infos_handle) -{ -/* retrieving Image infos from file */ - FILE *in = NULL; - gGraphImageInfosPtr infos = NULL; - int ret; - - *infos_handle = NULL; - -/* attempting to open the image file */ - if (image_type == GGRAPH_IMAGE_TIFF || image_type == GGRAPH_IMAGE_GEOTIFF) - ; - else - { - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - } - switch (image_type) - { - case GGRAPH_IMAGE_GIF: - ret = gg_image_infos_from_gif (0, in, GG_TARGET_IS_FILE, &infos); - break; - case GGRAPH_IMAGE_PNG: - ret = gg_image_infos_from_png (0, in, GG_TARGET_IS_FILE, &infos); - break; - case GGRAPH_IMAGE_JPEG: - ret = gg_image_infos_from_jpeg (0, in, GG_TARGET_IS_FILE, &infos); - break; - case GGRAPH_IMAGE_TIFF: - ret = gg_image_infos_from_tiff (path, &infos); - break; - case GGRAPH_IMAGE_GEOTIFF: - ret = gg_image_infos_from_geo_tiff (path, &infos); - break; - }; - if (in) - fclose (in); - if (ret != GGRAPH_OK) - return ret; - - *infos_handle = infos; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageFromMemBuf (const void *mem_buf, int mem_buf_size, int image_type, - const void **image_handle, int scale) -{ -/* decompressing a memory block containing an encoded image */ - gGraphImagePtr img = NULL; - int ret; - - *image_handle = NULL; - switch (image_type) - { - case GGRAPH_IMAGE_GIF: - ret = - gg_image_from_gif (mem_buf_size, mem_buf, GG_TARGET_IS_MEMORY, - &img); - break; - case GGRAPH_IMAGE_PNG: - ret = - gg_image_from_png (mem_buf_size, mem_buf, GG_TARGET_IS_MEMORY, - &img, scale); - break; - case GGRAPH_IMAGE_JPEG: - ret = - gg_image_from_jpeg (mem_buf_size, mem_buf, GG_TARGET_IS_MEMORY, - &img, scale); - break; - case GGRAPH_IMAGE_TIFF: - case GGRAPH_IMAGE_GEOTIFF: - ret = gg_image_from_mem_tiff (mem_buf_size, mem_buf, &img); - break; - } - if (ret != GGRAPH_OK) - return ret; - - *image_handle = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageFromFile (const char *path, int image_type, - const void **image_handle, int scale) -{ -/* reading an image from file */ - FILE *in = NULL; - gGraphImagePtr img = NULL; - int ret; - - *image_handle = NULL; - -/* attempting to open the image file */ - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - switch (image_type) - { - case GGRAPH_IMAGE_GIF: - ret = gg_image_from_gif (0, in, GG_TARGET_IS_FILE, &img); - break; - case GGRAPH_IMAGE_PNG: - ret = gg_image_from_png (0, in, GG_TARGET_IS_FILE, &img, scale); - break; - case GGRAPH_IMAGE_JPEG: - ret = gg_image_from_jpeg (0, in, GG_TARGET_IS_FILE, &img, scale); - break; - }; - fclose (in); - if (ret != GGRAPH_OK) - return ret; - - *image_handle = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageFromFileByStrips (const char *path, int image_type, - const void **image_handle) -{ -/* reading an image from file [by strips] */ - FILE *in = NULL; - gGraphStripImagePtr img = NULL; - int ret; - - *image_handle = NULL; - -/* attempting to open the image file */ - if (image_type == GGRAPH_IMAGE_TIFF || image_type == GGRAPH_IMAGE_GEOTIFF) - ; - else - { - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - } - switch (image_type) - { - case GGRAPH_IMAGE_PNG: - ret = gg_image_strip_prepare_from_png (in, &img); - break; - case GGRAPH_IMAGE_JPEG: - ret = gg_image_strip_prepare_from_jpeg (in, &img); - break; - case GGRAPH_IMAGE_TIFF: - ret = gg_image_strip_prepare_from_tiff (path, &img); - break; - case GGRAPH_IMAGE_GEOTIFF: - ret = gg_image_strip_prepare_from_geotiff (path, &img); - break; - }; - if (ret != GGRAPH_OK) - { - if (in) - fclose (in); - return ret; - } - - *image_handle = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageFromHgtFileByStrips (const char *path, int lat, int lon, - const void **image_handle) -{ -/* reading an HGT GRID from file [by strips] */ - FILE *in = NULL; - gGraphStripImagePtr img = NULL; - int ret; - - *image_handle = NULL; - -/* attempting to open the image file */ - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - ret = gg_image_strip_prepare_from_hgt (in, lat, lon, &img); - if (ret != GGRAPH_OK) - { - if (in) - fclose (in); - return ret; - } - - *image_handle = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageFromBinFileByStrips (const char *path, const char *hdr_path, - const void **image_handle) -{ -/* reading a BIN GRID from file [by strips] */ - FILE *in = NULL; - gGraphStripImagePtr img = NULL; - int ret; - - *image_handle = NULL; - -/* attempting to open the image file */ - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - ret = gg_image_strip_prepare_from_bin_hdr (in, hdr_path, &img); - if (ret != GGRAPH_OK) - { - if (in) - fclose (in); - return ret; - } - - *image_handle = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageFromFltFileByStrips (const char *path, const char *hdr_path, - const void **image_handle) -{ -/* reading a FLT GRID from file [by strips] */ - FILE *in = NULL; - gGraphStripImagePtr img = NULL; - int ret; - - *image_handle = NULL; - -/* attempting to open the image file */ - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - ret = gg_image_strip_prepare_from_flt_hdr (in, hdr_path, &img); - if (ret != GGRAPH_OK) - { - if (in) - fclose (in); - return ret; - } - - *image_handle = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageFromDemFileByStrips (const char *path, const char *hdr_path, - const void **image_handle) -{ -/* reading a DEM GRID from file [by strips] */ - FILE *in = NULL; - gGraphStripImagePtr img = NULL; - int ret; - - *image_handle = NULL; - -/* attempting to open the image file */ - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - ret = gg_image_strip_prepare_from_dem_hdr (in, hdr_path, &img); - if (ret != GGRAPH_OK) - { - if (in) - fclose (in); - return ret; - } - - *image_handle = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageFromAscFileByStrips (const char *path, const void **image_handle) -{ -/* reading a ASCII GRID from file [by strips] */ - FILE *in = NULL; - gGraphStripImagePtr img = NULL; - int ret; - - *image_handle = NULL; - -/* attempting to open the image file */ - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - ret = gg_image_strip_prepare_from_ascii_grid (in, &img); - if (ret != GGRAPH_OK) - { - if (in) - fclose (in); - return ret; - } - - *image_handle = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphCountColors (const char *path, int image_type, int rows_per_block) -{ -/* attempting to count how many different colors are into the given image file */ - FILE *in = NULL; - gGraphStripImagePtr img = NULL; - int num_colors = 0; - int ret; - int x; - int y; - unsigned char *count_array = NULL; - int index; - -/* attempting to open the image file */ - if (image_type == GGRAPH_IMAGE_TIFF || image_type == GGRAPH_IMAGE_GEOTIFF) - ; - else - { - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - } - switch (image_type) - { - case GGRAPH_IMAGE_PNG: - ret = gg_image_strip_prepare_from_png (in, &img); - break; - case GGRAPH_IMAGE_JPEG: - ret = gg_image_strip_prepare_from_jpeg (in, &img); - break; - case GGRAPH_IMAGE_TIFF: - ret = gg_image_strip_prepare_from_tiff (path, &img); - break; - case GGRAPH_IMAGE_GEOTIFF: - ret = gg_image_strip_prepare_from_geotiff (path, &img); - break; - }; - if (ret != GGRAPH_OK) - { - if (in) - fclose (in); - return 0; - } - -/* creating the input buffer */ - if (gGraphStripImageAllocPixels (img, rows_per_block) != GGRAPH_OK) - { - gGraphDestroyImage (img); - return 0; - } - -/* creating the count array */ - count_array = malloc (256 * 256 * 256); - if (!count_array) - { - gGraphDestroyImage (img); - return 0; - } - for (index = 0; index < (256 * 256 * 256); index++) - count_array[index] = 0; - - while (1) - { - /* inspecting the image pixels */ - if (gGraphStripImageEOF (img) == GGRAPH_OK) - goto done; - if (gGraphReadNextStrip (img, NULL) != GGRAPH_OK) - goto error; - for (y = 0; y < img->current_available_rows; y++) - { - unsigned char *p_in = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - unsigned char red; - unsigned char green; - unsigned char blue; - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* skipping Alpha */ - } - else if (img->pixel_format == GG_PIXEL_RGB) - { - p_in++; /* skipping Alpha */ - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping Alpha */ - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - index = *p_in++; - red = img->palette_red[index]; - green = img->palette_green[index]; - blue = img->palette_blue[index]; - } - index = (red * 256 * 256) + (green * 256) + blue; - count_array[index] = 1; - } - } - } - - error: - gGraphDestroyImage (img); - if (!count_array) - free (count_array); - return 0; - - done: - for (index = 0; index < (256 * 256 * 256); index++) - { - if (count_array[index]) - num_colors++; - } - gGraphDestroyImage (img); - if (!count_array) - free (count_array); - return num_colors; -} - -GGRAPH_DECLARE int -gGraphImageToJpegFile (const void *ptr, const char *path, int quality) -{ -/* exporting an image into a JPEG compressed file */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - int ret; - FILE *out = NULL; - - if (!img) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - -/* opening the output image file */ - out = fopen (path, "wb"); - if (out == NULL) - return GGRAPH_FILE_OPEN_ERROR; -/* compressing as JPEG */ - ret = gg_image_to_jpeg (img, NULL, NULL, out, GG_TARGET_IS_FILE, quality); - fclose (out); - if (ret != GGRAPH_OK) - { - /* some unexpected error occurred */ - unlink (path); - return ret; - } - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageToJpegFileByStrips (const void **ptr, const char *path, int width, - int height, int color_model, int quality) -{ -/* exporting an image into a JPEG compressed file [by strips] */ - gGraphStripImagePtr img; - int ret; - FILE *out = NULL; - - *ptr = NULL; - if (color_model == GGRAPH_COLORSPACE_GRAYSCALE - || color_model == GGRAPH_COLORSPACE_TRUECOLOR) - ; - else - return GGRAPH_INVALID_IMAGE; - -/* opening the output image file */ - out = fopen (path, "wb"); - if (out == NULL) - return GGRAPH_FILE_OPEN_ERROR; - -/* creating a Strip Image */ - if (color_model == GGRAPH_COLORSPACE_GRAYSCALE) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_JPEG, GG_PIXEL_GRAYSCALE, - width, height, 8, 1, GGRAPH_SAMPLE_UINT, - NULL, NULL); - if (!img) - { - fclose (out); - unlink (path); - return GGRAPH_INSUFFICIENT_MEMORY; - } - } - if (color_model == GGRAPH_COLORSPACE_TRUECOLOR) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_JPEG, GG_PIXEL_RGB, - width, height, 8, 3, GGRAPH_SAMPLE_UINT, - NULL, NULL); - if (!img) - { - fclose (out); - unlink (path); - return GGRAPH_INSUFFICIENT_MEMORY; - } - } - - ret = gg_image_prepare_to_jpeg_by_strip (img, out, quality); - if (ret != GGRAPH_OK) - { - gg_strip_image_destroy (img); - return ret; - } - - *ptr = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageToJpegMemBuf (const void *ptr, void **mem_buf, int *mem_buf_size, - int quality) -{ -/* exporting an image into a JPEG compressed memory buffer */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - void *buf = NULL; - int size; - int ret; - - *mem_buf = NULL; - *mem_buf_size = 0; - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - -/* compressing as JPEG */ - ret = - gg_image_to_jpeg (img, &buf, &size, NULL, GG_TARGET_IS_MEMORY, quality); - if (ret != GGRAPH_OK) - return ret; - -/* exporting the memory buffer */ - *mem_buf = buf; - *mem_buf_size = size; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageToPngFile (const void *ptr, const char *path, int compression_level, - int quantization_factor, int interlaced) -{ -/* exporting an image into a PNG compressed file */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - int ret; - FILE *out = NULL; - - if (!img) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - -/* opening the output image file */ - out = fopen (path, "wb"); - if (out == NULL) - return GGRAPH_FILE_OPEN_ERROR; -/* compressing as PNG */ - ret = - gg_image_to_png (img, NULL, NULL, out, GG_TARGET_IS_FILE, - compression_level, quantization_factor, interlaced, 0); - fclose (out); - if (ret != GGRAPH_OK) - { - /* some unexpected error occurred */ - unlink (path); - return ret; - } - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageToPngFileByStrips (const void **ptr, const char *path, int width, - int height, int color_model, int bits_per_sample, - int num_palette, unsigned char *red, - unsigned char *green, unsigned char *blue, - int compression_level, int quantization_factor) -{ -/* exporting an image into a PNG compressed file [by strips] */ - gGraphStripImagePtr img; - int ret; - int i; - FILE *out = NULL; - - *ptr = NULL; - if (color_model == GGRAPH_COLORSPACE_PALETTE - || color_model == GGRAPH_COLORSPACE_GRAYSCALE - || color_model == GGRAPH_COLORSPACE_TRUECOLOR - || color_model == GGRAPH_COLORSPACE_TRUECOLOR_ALPHA) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (color_model == GGRAPH_COLORSPACE_PALETTE) - { - if (num_palette < 1) - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 1 || bits_per_sample == 2 - || bits_per_sample == 4 || bits_per_sample == 8) - ; - else - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 1 && num_palette > 2) - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 2 && num_palette > 4) - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 4 && num_palette > 16) - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 8 && num_palette > 256) - return GGRAPH_INVALID_IMAGE; - } - if (color_model == GGRAPH_COLORSPACE_GRAYSCALE) - { - if (bits_per_sample == 1 || bits_per_sample == 2 - || bits_per_sample == 4 || bits_per_sample == 8) - ; - else - return GGRAPH_INVALID_IMAGE; - } - -/* opening the output image file */ - out = fopen (path, "wb"); - if (out == NULL) - return GGRAPH_FILE_OPEN_ERROR; - -/* creating a Strip Image */ - if (color_model == GGRAPH_COLORSPACE_PALETTE) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_PNG, GG_PIXEL_PALETTE, - width, height, bits_per_sample, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - if (!img) - { - fclose (out); - unlink (path); - return GGRAPH_INSUFFICIENT_MEMORY; - } - for (i = 0; i < num_palette; i++) - { - img->palette_red[i] = red[i]; - img->palette_green[i] = green[i]; - img->palette_blue[i] = blue[i]; - img->max_palette = i + 1; - } - } - if (color_model == GGRAPH_COLORSPACE_GRAYSCALE) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_PNG, GG_PIXEL_GRAYSCALE, - width, height, bits_per_sample, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - if (!img) - { - fclose (out); - unlink (path); - return GGRAPH_INSUFFICIENT_MEMORY; - } - } - if (color_model == GGRAPH_COLORSPACE_TRUECOLOR) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_PNG, GG_PIXEL_RGB, width, - height, 8, 3, GGRAPH_SAMPLE_UINT, NULL, - NULL); - if (!img) - { - fclose (out); - unlink (path); - return GGRAPH_INSUFFICIENT_MEMORY; - } - } - if (color_model == GGRAPH_COLORSPACE_TRUECOLOR_ALPHA) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_PNG, GG_PIXEL_RGBA, - width, height, 8, 4, GGRAPH_SAMPLE_UINT, - NULL, NULL); - if (!img) - { - fclose (out); - unlink (path); - return GGRAPH_INSUFFICIENT_MEMORY; - } - } - - ret = - gg_image_prepare_to_png_by_strip (img, out, compression_level, - quantization_factor); - if (ret != GGRAPH_OK) - { - gg_strip_image_destroy (img); - return ret; - } - - *ptr = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageToTiffFileByStrips (const void **ptr, const char *path, - int width, int height, int color_model, - int tiff_layout, - int tile_width, - int tile_height, - int rows_per_strip, - int bits_per_sample, int sample_format, - int num_palette, - unsigned char *red, unsigned char *green, - unsigned char *blue, int compression) -{ -/* exporting an image into a TIFF compressed file [by strips] */ - gGraphStripImagePtr img; - int ret; - int i; - - *ptr = NULL; - if (color_model == GGRAPH_COLORSPACE_PALETTE - || color_model == GGRAPH_COLORSPACE_GRAYSCALE - || color_model == GGRAPH_COLORSPACE_TRUECOLOR - || color_model == GGRAPH_COLORSPACE_TRUECOLOR_ALPHA - || color_model == GGRAPH_COLORSPACE_GRID) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (color_model == GGRAPH_COLORSPACE_PALETTE) - { - if (num_palette < 1) - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 1 || bits_per_sample == 2 - || bits_per_sample == 4 || bits_per_sample == 8) - ; - else - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 1 && num_palette > 2) - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 2 && num_palette > 4) - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 4 && num_palette > 16) - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 8 && num_palette > 256) - return GGRAPH_INVALID_IMAGE; - } - if (color_model == GGRAPH_COLORSPACE_GRID) - { - if (sample_format == GGRAPH_SAMPLE_UINT - || sample_format == GGRAPH_SAMPLE_INT) - { - if (bits_per_sample == 8 || bits_per_sample == 16 - || bits_per_sample == 32) - ; - else - return GGRAPH_INVALID_IMAGE; - } - else if (GGRAPH_SAMPLE_FLOAT) - { - if (bits_per_sample == 32 || bits_per_sample == 64) - ; - else - return GGRAPH_INVALID_IMAGE; - } - else - return GGRAPH_INVALID_IMAGE; - } - -/* creating a Strip Image */ - if (color_model == GGRAPH_COLORSPACE_PALETTE) - { - img = - gg_strip_image_create (NULL, GGRAPH_IMAGE_TIFF, GG_PIXEL_PALETTE, - width, height, bits_per_sample, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - if (!img) - return GGRAPH_INSUFFICIENT_MEMORY; - for (i = 0; i < num_palette; i++) - { - img->palette_red[i] = red[i]; - img->palette_green[i] = green[i]; - img->palette_blue[i] = blue[i]; - img->max_palette = i + 1; - } - } - if (color_model == GGRAPH_COLORSPACE_GRAYSCALE) - { - img = - gg_strip_image_create (NULL, GGRAPH_IMAGE_TIFF, - GG_PIXEL_GRAYSCALE, width, height, - bits_per_sample, 1, GGRAPH_SAMPLE_UINT, - NULL, NULL); - if (!img) - return GGRAPH_INSUFFICIENT_MEMORY; - } - if (color_model == GGRAPH_COLORSPACE_TRUECOLOR - || color_model == GGRAPH_COLORSPACE_TRUECOLOR_ALPHA) - { - img = - gg_strip_image_create (NULL, GGRAPH_IMAGE_TIFF, GG_PIXEL_RGB, - width, height, 8, 3, GGRAPH_SAMPLE_UINT, - NULL, NULL); - if (!img) - return GGRAPH_INSUFFICIENT_MEMORY; - } - if (color_model == GGRAPH_COLORSPACE_GRID) - { - img = - gg_strip_image_create (NULL, GGRAPH_IMAGE_TIFF, GG_PIXEL_GRID, - width, height, bits_per_sample, 1, - sample_format, NULL, NULL); - if (!img) - return GGRAPH_INSUFFICIENT_MEMORY; - } - - img->tile_width = tile_width; - img->tile_height = tile_height; - img->rows_per_strip = rows_per_strip; - - ret = - gg_image_prepare_to_tiff_by_strip (img, path, tiff_layout, tile_width, - tile_height, rows_per_strip, - color_model, bits_per_sample, - sample_format, num_palette, red, - green, blue, compression); - if (ret != GGRAPH_OK) - { - gg_strip_image_destroy (img); - return ret; - } - - *ptr = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageToGeoTiffFileByStrips (const void **ptr, const char *path, - int width, int height, int color_model, - int tiff_layout, - int tile_width, - int tile_height, - int rows_per_strip, - int bits_per_sample, int sample_format, - int num_palette, - unsigned char *red, unsigned char *green, - unsigned char *blue, int compression, - int srid, const char *srs_name, - const char *proj4text, double upper_left_x, - double upper_left_y, double pixel_x_size, - double pixel_y_size) -{ -/* exporting an image into a GeoTIFF compressed file [by strips] */ - gGraphStripImagePtr img; - int ret; - int i; - - *ptr = NULL; - if (color_model == GGRAPH_COLORSPACE_PALETTE - || color_model == GGRAPH_COLORSPACE_GRAYSCALE - || color_model == GGRAPH_COLORSPACE_TRUECOLOR - || color_model == GGRAPH_COLORSPACE_TRUECOLOR_ALPHA - || color_model == GGRAPH_COLORSPACE_GRID) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (color_model == GGRAPH_COLORSPACE_PALETTE) - { - if (num_palette < 1) - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 1 || bits_per_sample == 2 - || bits_per_sample == 4 || bits_per_sample == 8) - ; - else - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 1 && num_palette > 2) - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 2 && num_palette > 4) - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 4 && num_palette > 16) - return GGRAPH_INVALID_IMAGE; - if (bits_per_sample == 8 && num_palette > 256) - return GGRAPH_INVALID_IMAGE; - } - if (color_model == GGRAPH_COLORSPACE_GRID) - { - if (sample_format == GGRAPH_SAMPLE_UINT - || sample_format == GGRAPH_SAMPLE_INT) - { - if (bits_per_sample == 8 || bits_per_sample == 16 - || bits_per_sample == 32) - ; - else - return GGRAPH_INVALID_IMAGE; - } - else if (GGRAPH_SAMPLE_FLOAT) - { - if (bits_per_sample == 32 || bits_per_sample == 64) - ; - else - return GGRAPH_INVALID_IMAGE; - } - else - return GGRAPH_INVALID_IMAGE; - } - -/* creating a Strip Image */ - if (color_model == GGRAPH_COLORSPACE_PALETTE) - { - img = - gg_strip_image_create (NULL, GGRAPH_IMAGE_GEOTIFF, - GG_PIXEL_PALETTE, width, height, - bits_per_sample, 1, GGRAPH_SAMPLE_UINT, - NULL, NULL); - if (!img) - return GGRAPH_INSUFFICIENT_MEMORY; - for (i = 0; i < num_palette; i++) - { - img->palette_red[i] = red[i]; - img->palette_green[i] = green[i]; - img->palette_blue[i] = blue[i]; - img->max_palette = i + 1; - } - } - if (color_model == GGRAPH_COLORSPACE_GRAYSCALE) - { - img = - gg_strip_image_create (NULL, GGRAPH_IMAGE_GEOTIFF, - GG_PIXEL_GRAYSCALE, width, height, - bits_per_sample, 1, GGRAPH_SAMPLE_UINT, - NULL, NULL); - if (!img) - return GGRAPH_INSUFFICIENT_MEMORY; - } - if (color_model == GGRAPH_COLORSPACE_TRUECOLOR - || color_model == GGRAPH_COLORSPACE_TRUECOLOR_ALPHA) - { - img = - gg_strip_image_create (NULL, GGRAPH_IMAGE_GEOTIFF, GG_PIXEL_RGB, - width, height, 8, 3, GGRAPH_SAMPLE_UINT, - NULL, NULL); - if (!img) - return GGRAPH_INSUFFICIENT_MEMORY; - } - if (color_model == GGRAPH_COLORSPACE_GRID) - { - img = - gg_strip_image_create (NULL, GGRAPH_IMAGE_GEOTIFF, GG_PIXEL_GRID, - width, height, bits_per_sample, 1, - sample_format, NULL, NULL); - if (!img) - return GGRAPH_INSUFFICIENT_MEMORY; - } - gGraphImageSetGeoRef (img, srid, srs_name, proj4text, upper_left_x, - upper_left_y, pixel_x_size, pixel_y_size); - - img->tile_width = tile_width; - img->tile_height = tile_height; - img->rows_per_strip = rows_per_strip; - - ret = - gg_image_prepare_to_geotiff_by_strip (img, path, tiff_layout, - tile_width, tile_height, - rows_per_strip, color_model, - bits_per_sample, sample_format, - num_palette, red, green, blue, - compression); - if (ret != GGRAPH_OK) - { - gg_strip_image_destroy (img); - return ret; - } - - *ptr = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageToBinHdrFileByStrips (const void **ptr, const char *path, int width, - int height, int bits_per_sample, - double upper_left_x, double upper_left_y, - double pixel_x_size, double pixel_y_size, - double no_data_value) -{ -/* exporting an image into a BIN+HDR GRID file [by strips] */ - gGraphStripImagePtr img = NULL; - int ret; - FILE *out = NULL; - - *ptr = NULL; - -/* opening the output image file */ - out = fopen (path, "wb"); - if (out == NULL) - return GGRAPH_FILE_OPEN_ERROR; - -/* creating a Strip Image */ - if (bits_per_sample == 16) - { - img = gg_strip_image_create (out, GGRAPH_IMAGE_BIN_HDR, GG_PIXEL_GRID, - width, height, 16, 1, GGRAPH_SAMPLE_INT, - NULL, NULL); - } - if (bits_per_sample == 32) - { - img = gg_strip_image_create (out, GGRAPH_IMAGE_BIN_HDR, GG_PIXEL_GRID, - width, height, 32, 1, GGRAPH_SAMPLE_INT, - NULL, NULL); - } - if (!img) - { - fclose (out); - unlink (path); - return GGRAPH_INSUFFICIENT_MEMORY; - } - - img->upper_left_x = upper_left_x; - img->upper_left_y = upper_left_y; - img->pixel_x_size = pixel_x_size; - img->pixel_y_size = pixel_y_size; - img->no_data_value = no_data_value; - ret = gg_image_prepare_to_bin_hdr_by_strip (img); - if (ret != GGRAPH_OK) - if (ret != GGRAPH_OK) - { - gg_strip_image_destroy (img); - return ret; - } - - *ptr = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageToFltHdrFileByStrips (const void **ptr, const char *path, int width, - int height, int bits_per_sample, - double upper_left_x, double upper_left_y, - double pixel_x_size, double pixel_y_size, - double no_data_value) -{ -/* exporting an image into a FLT+HDR GRID file [by strips] */ - gGraphStripImagePtr img = NULL; - int ret; - FILE *out = NULL; - - *ptr = NULL; - -/* opening the output image file */ - out = fopen (path, "wb"); - if (out == NULL) - return GGRAPH_FILE_OPEN_ERROR; - -/* creating a Strip Image */ - if (bits_per_sample == 32) - { - img = gg_strip_image_create (out, GGRAPH_IMAGE_FLT_HDR, GG_PIXEL_GRID, - width, height, 32, 1, - GGRAPH_SAMPLE_FLOAT, NULL, NULL); - } - if (bits_per_sample == 64) - { - img = gg_strip_image_create (out, GGRAPH_IMAGE_FLT_HDR, GG_PIXEL_GRID, - width, height, 64, 1, - GGRAPH_SAMPLE_FLOAT, NULL, NULL); - } - if (!img) - { - fclose (out); - unlink (path); - return GGRAPH_INSUFFICIENT_MEMORY; - } - - img->upper_left_x = upper_left_x; - img->upper_left_y = upper_left_y; - img->pixel_x_size = pixel_x_size; - img->pixel_y_size = pixel_y_size; - img->no_data_value = no_data_value; - ret = gg_image_prepare_to_flt_hdr_by_strip (img); - if (ret != GGRAPH_OK) - { - gg_strip_image_destroy (img); - return ret; - } - - *ptr = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageToAscFileByStrips (const void **ptr, const char *path, int width, - int height, int sample, int bits_per_sample, - double upper_left_x, double upper_left_y, - double pixel_x_size, double pixel_y_size, - double no_data_value) -{ -/* exporting an image into an ASCII GRID file [by strips] */ - gGraphStripImagePtr img = NULL; - int ret; - FILE *out = NULL; - - *ptr = NULL; - -/* opening the output image file */ - out = fopen (path, "wb"); - if (out == NULL) - return GGRAPH_FILE_OPEN_ERROR; - -/* creating a Strip Image */ - if (sample == GGRAPH_SAMPLE_UINT) - { - if (bits_per_sample == 8) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_ASCII_GRID, - GG_PIXEL_GRID, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - } - if (bits_per_sample == 16) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_ASCII_GRID, - GG_PIXEL_GRID, width, height, 16, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - } - if (bits_per_sample == 32) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_ASCII_GRID, - GG_PIXEL_GRID, width, height, 32, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - } - } - if (sample == GGRAPH_SAMPLE_INT) - { - if (bits_per_sample == 8) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_ASCII_GRID, - GG_PIXEL_GRID, width, height, 8, 1, - GGRAPH_SAMPLE_INT, NULL, NULL); - } - if (bits_per_sample == 16) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_ASCII_GRID, - GG_PIXEL_GRID, width, height, 16, 1, - GGRAPH_SAMPLE_INT, NULL, NULL); - } - if (bits_per_sample == 32) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_ASCII_GRID, - GG_PIXEL_GRID, width, height, 32, 1, - GGRAPH_SAMPLE_INT, NULL, NULL); - } - } - if (sample == GGRAPH_SAMPLE_FLOAT) - { - if (bits_per_sample == 32) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_ASCII_GRID, - GG_PIXEL_GRID, width, height, 32, 1, - GGRAPH_SAMPLE_FLOAT, NULL, NULL); - } - if (bits_per_sample == 64) - { - img = - gg_strip_image_create (out, GGRAPH_IMAGE_ASCII_GRID, - GG_PIXEL_GRID, width, height, 64, 1, - GGRAPH_SAMPLE_FLOAT, NULL, NULL); - } - } - if (!img) - { - fclose (out); - unlink (path); - return GGRAPH_INSUFFICIENT_MEMORY; - } - - img->upper_left_x = upper_left_x; - img->upper_left_y = upper_left_y; - img->pixel_x_size = pixel_x_size; - img->pixel_y_size = pixel_y_size; - img->no_data_value = no_data_value; - ret = gg_image_prepare_to_ascii_grid_by_strip (img, out); - if (ret != GGRAPH_OK) - { - gg_strip_image_destroy (img); - return ret; - } - - *ptr = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageToPngMemBuf (const void *ptr, void **mem_buf, int *mem_buf_size, - int compression_level, int quantization_factor, - int interlaced, int is_transparent) -{ -/* exporting an image into a PNG compressed memory buffer */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - void *buf = NULL; - int size; - int ret; - - *mem_buf = NULL; - *mem_buf_size = 0; - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - -/* compressing as PNG */ - ret = - gg_image_to_png (img, &buf, &size, NULL, GG_TARGET_IS_MEMORY, - compression_level, quantization_factor, interlaced, - is_transparent); - if (ret != GGRAPH_OK) - return ret; - -/* exporting the memory buffer */ - *mem_buf = buf; - *mem_buf_size = size; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageToGifFile (const void *ptr, const char *path) -{ -/* exporting an image into a GIF compressed file */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - int ret; - FILE *out = NULL; - - if (!img) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - -/* opening the output image file */ - out = fopen (path, "wb"); - if (out == NULL) - return GGRAPH_FILE_OPEN_ERROR; -/* compressing as GIF */ - ret = gg_image_to_gif (img, NULL, NULL, out, GG_TARGET_IS_FILE, 0); - fclose (out); - if (ret != GGRAPH_OK) - { - /* some unexpected error occurred */ - unlink (path); - return ret; - } - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageToGifMemBuf (const void *ptr, void **mem_buf, int *mem_buf_size, - int is_transparent) -{ -/* exporting an image into a GIF compressed memory buffer */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - void *buf = NULL; - int size; - int ret; - - *mem_buf = NULL; - *mem_buf_size = 0; - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - -/* compressing as GIF */ - ret = - gg_image_to_gif (img, &buf, &size, NULL, GG_TARGET_IS_MEMORY, - is_transparent); - if (ret != GGRAPH_OK) - return ret; - -/* exporting the memory buffer */ - *mem_buf = buf; - *mem_buf_size = size; - return GGRAPH_OK; -} - -GGRAPH_DECLARE void -gGraphDestroyImage (const void *ptr) -{ -/* destroyng an image object */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - gGraphStripImagePtr strip_img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return; - if (img->signature == GG_IMAGE_MAGIC_SIGNATURE) - { - gg_image_destroy (img); - return; - } - if (strip_img->signature == GG_STRIP_IMAGE_MAGIC_SIGNATURE) - { - gg_strip_image_destroy (strip_img); - return; - } -} - -GGRAPH_DECLARE int -gGraphStripImageClonePalette (const void *ptr, int *color_model, - int *num_palette, unsigned char *red, - unsigned char *green, unsigned char *blue) -{ -/* exporting the palette and color-space infos from a Strip Image */ - int i; - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - switch (img->pixel_format) - { - case GG_PIXEL_GRID: - *color_model = GGRAPH_COLORSPACE_GRID; - *num_palette = 0; - break; - case GG_PIXEL_PALETTE: - *color_model = GGRAPH_COLORSPACE_PALETTE; - for (i = 0; i < img->max_palette; i++) - { - red[i] = img->palette_red[i]; - green[i] = img->palette_green[i]; - blue[i] = img->palette_blue[i]; - } - *num_palette = img->max_palette; - break; - case GG_PIXEL_GRAYSCALE: - *color_model = GGRAPH_COLORSPACE_GRAYSCALE; - *num_palette = 0; - break; - case GG_PIXEL_RGBA: - case GG_PIXEL_ARGB: - case GG_PIXEL_BGRA: - *color_model = GGRAPH_COLORSPACE_TRUECOLOR_ALPHA; - *num_palette = 0; - break; - default: - *color_model = GGRAPH_COLORSPACE_TRUECOLOR; - *num_palette = 0; - break; - }; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphStripImageAllocPixels (const void *ptr, int rows_per_block) -{ -/* allocating the pixels buffer */ - unsigned char *pixels; - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - -/* allocating the pixel buffer */ - pixels = malloc (img->scanline_width * rows_per_block); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; -/* freeing an already allocated buffer (if any) */ - if (img->pixels) - free (img->pixels); - img->pixels = pixels; - img->rows_per_block = rows_per_block; - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphStripImageEOF (const void *ptr) -{ -/* checking if there is a StripImage EOF condition */ - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - if (img->next_row >= img->height) - return GGRAPH_OK; - return GGRAPH_ERROR; -} - -static int -copy_pixels_float (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out) -{ -/* copying the pixels buffer between two images [FLOAT] */ - int x; - int y; - for (y = 0; y < img_in->current_available_rows; y++) - { - float *p_in = (float *) (img_in->pixels); - float *p_out = (float *) (img_out->pixels); - p_in += y * img_in->width; - p_out += y * img_out->width; - for (x = 0; x < img_in->width; x++) - *p_out++ = *p_in++; - } - img_out->current_available_rows = img_in->current_available_rows; - return GGRAPH_OK; -} - -static int -copy_pixels_double (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out) -{ -/* copying the pixels buffer between two images [DOUBLE] */ - int x; - int y; - for (y = 0; y < img_in->current_available_rows; y++) - { - double *p_in = (double *) (img_in->pixels); - double *p_out = (double *) (img_out->pixels); - p_in += y * img_in->width; - p_out += y * img_out->width; - for (x = 0; x < img_in->width; x++) - *p_out++ = *p_in++; - } - img_out->current_available_rows = img_in->current_available_rows; - return GGRAPH_OK; -} - -static int -copy_pixels_uint8 (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out) -{ -/* copying the pixels buffer between two images [UINT-8] */ - int x; - int y; - for (y = 0; y < img_in->current_available_rows; y++) - { - unsigned char *p_in = (unsigned char *) (img_in->pixels); - unsigned char *p_out = (unsigned char *) (img_out->pixels); - p_in += y * img_in->width; - p_out += y * img_out->width; - for (x = 0; x < img_in->width; x++) - *p_out++ = *p_in++; - } - img_out->current_available_rows = img_in->current_available_rows; - return GGRAPH_OK; -} - -static int -copy_pixels_int8 (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out) -{ -/* copying the pixels buffer between two images [INT-8] */ - int x; - int y; - for (y = 0; y < img_in->current_available_rows; y++) - { - char *p_in = (char *) (img_in->pixels); - char *p_out = (char *) (img_out->pixels); - p_in += y * img_in->width; - p_out += y * img_out->width; - for (x = 0; x < img_in->width; x++) - *p_out++ = *p_in++; - } - img_out->current_available_rows = img_in->current_available_rows; - return GGRAPH_OK; -} - -static int -copy_pixels_uint16 (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out) -{ -/* copying the pixels buffer between two images [UINT-16] */ - int x; - int y; - for (y = 0; y < img_in->current_available_rows; y++) - { - unsigned short *p_in = (unsigned short *) (img_in->pixels); - unsigned short *p_out = (unsigned short *) (img_out->pixels); - p_in += y * img_in->width; - p_out += y * img_out->width; - for (x = 0; x < img_in->width; x++) - *p_out++ = *p_in++; - } - img_out->current_available_rows = img_in->current_available_rows; - return GGRAPH_OK; -} - -static int -copy_pixels_int16 (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out) -{ -/* copying the pixels buffer between two images [INT-16] */ - int x; - int y; - for (y = 0; y < img_in->current_available_rows; y++) - { - short *p_in = (short *) (img_in->pixels); - short *p_out = (short *) (img_out->pixels); - p_in += y * img_in->width; - p_out += y * img_out->width; - for (x = 0; x < img_in->width; x++) - *p_out++ = *p_in++; - } - img_out->current_available_rows = img_in->current_available_rows; - return GGRAPH_OK; -} - -static int -copy_pixels_uint32 (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out) -{ -/* copying the pixels buffer between two images [UINT-32] */ - int x; - int y; - for (y = 0; y < img_in->current_available_rows; y++) - { - unsigned int *p_in = (unsigned int *) (img_in->pixels); - unsigned int *p_out = (unsigned int *) (img_out->pixels); - p_in += y * img_in->width; - p_out += y * img_out->width; - for (x = 0; x < img_in->width; x++) - *p_out++ = *p_in++; - } - img_out->current_available_rows = img_in->current_available_rows; - return GGRAPH_OK; -} - -static int -copy_pixels_int32 (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out) -{ -/* copying the pixels buffer between two images [INT-32] */ - int x; - int y; - for (y = 0; y < img_in->current_available_rows; y++) - { - int *p_in = (int *) (img_in->pixels); - int *p_out = (int *) (img_out->pixels); - p_in += y * img_in->width; - p_out += y * img_out->width; - for (x = 0; x < img_in->width; x++) - *p_out++ = *p_in++; - } - img_out->current_available_rows = img_in->current_available_rows; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphStripImageCopyPixels (const void *in_ptr, const void *out_ptr) -{ -/* copying the pixels buffer between two images */ - int x; - int y; - gGraphStripImagePtr img_in = (gGraphStripImagePtr) in_ptr; - gGraphStripImagePtr img_out = (gGraphStripImagePtr) out_ptr; - - if (img_in == NULL || img_out == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_in->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_out->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - -/* checking if the strip buffers does actually have the same size */ - if (img_in->width == img_out->width - && img_in->rows_per_block == img_out->rows_per_block) - ; - else - return GGRAPH_ERROR; - if (img_in->pixel_format == GG_PIXEL_GRID) - { - /* handling GRID data */ - if (img_in->sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (img_in->bits_per_sample == 32) - return copy_pixels_float (img_in, img_out); - else - - return copy_pixels_double (img_in, img_out); - } - else - { - /* UINT or INT */ - if (img_in->bits_per_sample == 8) - { - if (img_in->sample_format == GGRAPH_SAMPLE_UINT) - return copy_pixels_uint8 (img_in, img_out); - else - return copy_pixels_int8 (img_in, img_out); - } - else if (img_in->bits_per_sample == 16) - { - if (img_in->sample_format == GGRAPH_SAMPLE_UINT) - return copy_pixels_uint16 (img_in, img_out); - else - return copy_pixels_int16 (img_in, img_out); - } - else - { - if (img_in->sample_format == GGRAPH_SAMPLE_UINT) - return copy_pixels_uint32 (img_in, img_out); - else - return copy_pixels_int32 (img_in, img_out); - } - } - } - for (y = 0; y < img_in->current_available_rows; y++) - { - unsigned char *p_in = img_in->pixels + (y * img_in->scanline_width); - unsigned char *p_out = - img_out->pixels + (y * img_out->scanline_width); - for (x = 0; x < img_in->width; x++) - { - if (img_in->pixel_format == GG_PIXEL_GRAYSCALE - && img_out->pixel_format == GG_PIXEL_GRAYSCALE) - { - *p_out++ = *p_in++; - } - else if (img_in->pixel_format == GG_PIXEL_PALETTE - && img_out->pixel_format == GG_PIXEL_PALETTE) - { - *p_out++ = *p_in++; - } - else - { - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char alpha; - if (img_in->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - alpha = 255; - } - else if (img_in->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - alpha = *p_in++; - } - else if (img_in->pixel_format == GG_PIXEL_ARGB) - { - alpha = *p_in++; - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img_in->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - alpha = 255; - } - else if (img_in->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - alpha = *p_in++; - } - else if (img_in->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - alpha = 255; - } - else if (img_in->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img_in->palette_red[index]; - green = img_in->palette_green[index]; - blue = img_in->palette_blue[index]; - alpha = 255; - } - if (img_out->pixel_format == GG_PIXEL_RGB) - { - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - else if (img_out->pixel_format == GG_PIXEL_RGBA) - { - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - *p_out++ = alpha; - } - else if (img_out->pixel_format == GG_PIXEL_ARGB) - { - *p_out++ = alpha; - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - else if (img_out->pixel_format == GG_PIXEL_BGR) - { - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - } - else if (img_out->pixel_format == GG_PIXEL_BGRA) - { - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - *p_out++ = alpha; - } - } - } - img_out->current_available_rows = img_in->current_available_rows; - } - return GGRAPH_OK; -} - -static int -subset_pixels_float (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out, - int start_from, int row) -{ -/* copying the pixels buffer between two images [SubSet, FLOAT] */ - int x; - float *p_in = (float *) (img_in->pixels); - float *p_out = (float *) (img_out->pixels); - p_in += start_from; - p_out += row * img_out->width; - for (x = 0; x < img_out->width; x++) - *p_out++ = *p_in++; - img_out->current_available_rows = row + 1; - return GGRAPH_OK; -} - -static int -subset_pixels_double (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out, - int start_from, int row) -{ -/* copying the pixels buffer between two images [SubSet, DOUBLE] */ - int x; - double *p_in = (double *) (img_in->pixels); - double *p_out = (double *) (img_out->pixels); - p_in += start_from; - p_out += row * img_out->width; - for (x = 0; x < img_out->width; x++) - *p_out++ = *p_in++; - img_out->current_available_rows = row + 1; - return GGRAPH_OK; -} - -static int -subset_pixels_uint8 (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out, - int start_from, int row) -{ -/* copying the pixels buffer between two images [SubSet, UINT-8] */ - int x; - unsigned char *p_in = (unsigned char *) (img_in->pixels); - unsigned char *p_out = (unsigned char *) (img_out->pixels); - p_in += start_from; - p_out += row * img_out->width; - for (x = 0; x < img_out->width; x++) - *p_out++ = *p_in++; - img_out->current_available_rows = row + 1; - return GGRAPH_OK; -} - -static int -subset_pixels_int8 (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out, - int start_from, int row) -{ -/* copying the pixels buffer between two images [SubSet, INT-8] */ - int x; - char *p_in = (char *) (img_in->pixels); - char *p_out = (char *) (img_out->pixels); - p_in += start_from; - p_out += row * img_out->width; - for (x = 0; x < img_out->width; x++) - *p_out++ = *p_in++; - img_out->current_available_rows = row + 1; - return GGRAPH_OK; -} - -static int -subset_pixels_uint16 (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out, - int start_from, int row) -{ -/* copying the pixels buffer between two images [SubSet, UINT-16] */ - int x; - unsigned short *p_in = (unsigned short *) (img_in->pixels); - unsigned short *p_out = (unsigned short *) (img_out->pixels); - p_in += start_from; - p_out += row * img_out->width; - for (x = 0; x < img_out->width; x++) - *p_out++ = *p_in++; - img_out->current_available_rows = row + 1; - return GGRAPH_OK; -} - -static int -subset_pixels_int16 (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out, - int start_from, int row) -{ -/* copying the pixels buffer between two images [SubSet, INT-16] */ - int x; - short *p_in = (short *) (img_in->pixels); - short *p_out = (short *) (img_out->pixels); - p_in += start_from; - p_out += row * img_out->width; - for (x = 0; x < img_out->width; x++) - *p_out++ = *p_in++; - img_out->current_available_rows = row + 1; - return GGRAPH_OK; -} - -static int -subset_pixels_uint32 (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out, - int start_from, int row) -{ -/* copying the pixels buffer between two images [SubSet, UINT-32] */ - int x; - unsigned int *p_in = (unsigned int *) (img_in->pixels); - unsigned int *p_out = (unsigned int *) (img_out->pixels); - p_in += start_from; - p_out += row * img_out->width; - for (x = 0; x < img_out->width; x++) - *p_out++ = *p_in++; - img_out->current_available_rows = row + 1; - return GGRAPH_OK; -} - -static int -subset_pixels_int32 (gGraphStripImagePtr img_in, gGraphStripImagePtr img_out, - int start_from, int row) -{ -/* copying the pixels buffer between two images [SubSet, INT-32] */ - int x; - int *p_in = (int *) (img_in->pixels); - int *p_out = (int *) (img_out->pixels); - p_in += start_from; - p_out += row * img_out->width; - for (x = 0; x < img_out->width; x++) - *p_out++ = *p_in++; - img_out->current_available_rows = row + 1; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphStripImageSubSetPixels (const void *in_ptr, const void *out_ptr, - int start_from, int row) -{ -/* copying the pixels buffer between two images [SubSet] */ - int x; - unsigned char *p_in; - unsigned char *p_out; - gGraphStripImagePtr img_in = (gGraphStripImagePtr) in_ptr; - gGraphStripImagePtr img_out = (gGraphStripImagePtr) out_ptr; - - if (img_in == NULL || img_out == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_out->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_out->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - if (img_in->pixel_format == GG_PIXEL_GRID) - { - /* handling GRID data */ - if (img_in->sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (img_in->bits_per_sample == 32) - return subset_pixels_float (img_in, img_out, start_from, - row); - else - - return subset_pixels_double (img_in, img_out, start_from, - row); - } - else - { - /* UINT or INT */ - if (img_in->bits_per_sample == 8) - { - if (img_in->sample_format == GGRAPH_SAMPLE_UINT) - return subset_pixels_uint8 (img_in, img_out, - start_from, row); - else - return subset_pixels_int8 (img_in, img_out, - start_from, row); - } - else if (img_in->bits_per_sample == 16) - { - if (img_in->sample_format == GGRAPH_SAMPLE_UINT) - return subset_pixels_uint16 (img_in, img_out, - start_from, row); - else - return subset_pixels_int16 (img_in, img_out, - start_from, row); - } - else - { - if (img_in->sample_format == GGRAPH_SAMPLE_UINT) - return subset_pixels_uint32 (img_in, img_out, - start_from, row); - else - return subset_pixels_int32 (img_in, img_out, - start_from, row); - } - } - } - - p_in = img_in->pixels + (start_from * img_in->pixel_size); - p_out = img_out->pixels + (row * img_out->scanline_width); - for (x = 0; x < img_out->width; x++) - { - if (img_in->pixel_format == GG_PIXEL_GRAYSCALE - && img_out->pixel_format == GG_PIXEL_GRAYSCALE) - { - *p_out++ = *p_in++; - } - else if (img_in->pixel_format == GG_PIXEL_PALETTE - && img_out->pixel_format == GG_PIXEL_PALETTE) - { - *p_out++ = *p_in++; - } - else - { - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char alpha; - if (img_in->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - alpha = 255; - } - else if (img_in->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - alpha = *p_in++; - } - else if (img_in->pixel_format == GG_PIXEL_ARGB) - { - alpha = *p_in++; - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img_in->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - alpha = 255; - } - else if (img_in->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - alpha = *p_in++; - } - else if (img_in->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - alpha = 255; - } - else if (img_in->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img_in->palette_red[index]; - green = img_in->palette_green[index]; - blue = img_in->palette_blue[index]; - alpha = 255; - } - if (img_out->pixel_format == GG_PIXEL_RGB) - { - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - else if (img_out->pixel_format == GG_PIXEL_RGBA) - { - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - *p_out++ = alpha; - } - else if (img_out->pixel_format == GG_PIXEL_ARGB) - { - *p_out++ = alpha; - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - else if (img_out->pixel_format == GG_PIXEL_BGR) - { - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - } - else if (img_out->pixel_format == GG_PIXEL_BGRA) - { - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - *p_out++ = alpha; - } - } - } - img_out->current_available_rows = row + 1; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphReadNextStrip (const void *ptr, int *progress) -{ -/* reading the next strip from a strip image */ - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - if (img->next_row < img->height) - { - if (img->codec_id == GGRAPH_IMAGE_PNG) - return gg_image_strip_read_from_png (img, progress); - if (img->codec_id == GGRAPH_IMAGE_JPEG) - return gg_image_strip_read_from_jpeg (img, progress); - if (img->codec_id == GGRAPH_IMAGE_TIFF - || img->codec_id == GGRAPH_IMAGE_GEOTIFF) - return gg_image_strip_read_from_tiff (img, progress); - if (img->codec_id == GGRAPH_IMAGE_HGT) - return gg_image_strip_read_from_hgt (img, progress); - if (img->codec_id == GGRAPH_IMAGE_BIN_HDR) - return gg_image_strip_read_from_bin_grid (img, progress); - if (img->codec_id == GGRAPH_IMAGE_FLT_HDR) - return gg_image_strip_read_from_bin_grid (img, progress); - if (img->codec_id == GGRAPH_IMAGE_DEM_HDR) - return gg_image_strip_read_from_dem_grid (img, progress); - if (img->codec_id == GGRAPH_IMAGE_ASCII_GRID) - return gg_image_strip_read_from_ascii_grid (img, progress); - } - - return GGRAPH_INVALID_IMAGE; -} - -GGRAPH_DECLARE int -gGraphWriteNextStrip (const void *ptr, int *progress) -{ -/* writing the next strip into a strip image */ - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - if (img->next_row < img->height) - { - if (img->codec_id == GGRAPH_IMAGE_PNG) - return gg_image_write_to_png_by_strip (img, progress); - if (img->codec_id == GGRAPH_IMAGE_JPEG) - return gg_image_write_to_jpeg_by_strip (img, progress); - if (img->codec_id == GGRAPH_IMAGE_TIFF - || img->codec_id == GGRAPH_IMAGE_GEOTIFF) - return gg_image_write_to_tiff_by_strip (img, progress); - if (img->codec_id == GGRAPH_IMAGE_BIN_HDR) - return gg_image_write_to_bin_hdr_by_strip (img, progress); - if (img->codec_id == GGRAPH_IMAGE_FLT_HDR) - return gg_image_write_to_flt_hdr_by_strip (img, progress); - if (img->codec_id == GGRAPH_IMAGE_ASCII_GRID) - return gg_image_write_to_ascii_grid_by_strip (img, progress); - } - - return GGRAPH_INVALID_IMAGE; -} - -GGRAPH_DECLARE int -gGraphStripImageGetNextRow (const void *ptr, int *next_row) -{ -/* retrieving the current Next Row */ - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - *next_row = -1; - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - *next_row = img->next_row; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphStripIsFull (const void *ptr) -{ -/* checks it the strip is full (ready to be written) */ - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - if (img->current_available_rows == img->rows_per_block) - return GGRAPH_OK; - if (img->next_row + img->current_available_rows == img->height) - return GGRAPH_OK; - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphStripImageRewind (const void *ptr) -{ -/* rewinds the image (to first scanline) */ - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - img->next_row = 0; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphStripImageGetCurrentRows (const void *ptr, int *rows) -{ -/* return how many rows are currently into the buffer */ - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - *rows = 0; - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - *rows = img->current_available_rows; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphStripImageGetPixelRGB (const void *ptr, int col, int row, - unsigned char *red, unsigned char *green, - unsigned char *blue) -{ -/* retrieving an RGB pixel by col and row */ - unsigned char *p_in; - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - *red = 0; - *green = 0; - *blue = 0; - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - if (col < 0 || col >= img->width) - return GGRAPH_ERROR; - if (row < 0 || row >= img->current_available_rows) - return GGRAPH_ERROR; - - p_in = img->pixels + (row * img->scanline_width) + (col * img->pixel_size); - if (img->pixel_format == GG_PIXEL_RGB) - { - *red = *p_in++; - *green = *p_in++; - *blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - *red = *p_in++; - *green = *p_in++; - *blue = *p_in++; - p_in++; /* discarding Alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* discarding Alpha */ - *red = *p_in++; - *green = *p_in++; - *blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - *blue = *p_in++; - *green = *p_in++; - *red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - *blue = *p_in++; - *green = *p_in++; - *red = *p_in++; - p_in++; /* discarding Alpha */ - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - *red = *p_in++; - *green = *red; - *blue = *red; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - *red = img->palette_red[index]; - *green = img->palette_green[index]; - *blue = img->palette_blue[index]; - } - - return GGRAPH_OK; -} - -static unsigned char -match_palette2 (const gGraphStripImagePtr img, unsigned char r, unsigned char g, - unsigned char b) -{ -/* handling palette colors */ - int index; - double min_dist = DBL_MAX; - double dist; - int min_index; - for (index = 0; index < img->max_palette; index++) - { - /* searching if already defined */ - if (img->palette_red[index] == r && img->palette_green[index] == g - && img->palette_blue[index] == b) - return (unsigned char) index; - } - if (img->max_palette < 255) - { - /* inserting a new palette entry */ - unsigned char i = img->max_palette; - img->max_palette += 1; - img->palette_red[i] = r; - img->palette_green[i] = g; - img->palette_blue[i] = b; - return i; - } -/* all right, the palette is already fully populated */ - for (index = 0; index < img->max_palette; index++) - { - /* computing the minimal euclidean distance */ - dist = - sqrt (((img->palette_red[index] - r) * (img->palette_red[index] - - r)) + - ((img->palette_green[index] - - g) * (img->palette_green[index] - g)) + - ((img->palette_blue[index] - - b) * (img->palette_blue[index] - b))); - if (dist < min_dist) - { - min_dist = dist; - min_index = index; - } - } - return (unsigned char) min_index; -} - -GGRAPH_DECLARE int -gGraphStripImageSetPixelRGB (const void *ptr, int col, int row, - unsigned char red, unsigned char green, - unsigned char blue) -{ -/* setting an RGB pixel by col and row */ - unsigned char *p_out; - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - if (col < 0 || col >= img->width) - return GGRAPH_ERROR; - if (row < 0 || row >= img->current_available_rows) - return GGRAPH_ERROR; - - p_out = img->pixels + (row * img->scanline_width) + (col * img->pixel_size); - if (img->pixel_format == GG_PIXEL_RGB) - { - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - *p_out++ = 255; /* defaulting Alpha [opaque] */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - - *p_out++ = 255; /* defaulting Alpha [opaque] */ - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - - *p_out++ = 255; /* defaulting Alpha [opaque] */ - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - int gray; - if (red == green && green == blue) - gray = red; - else - gray = to_grayscale2 (red, green, blue); - *p_out++ = gray; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = match_palette2 (img, red, green, blue); - *p_out++ = index; - } - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphStripImageSetCurrentRows (const void *ptr, int rows) -{ -/* sets the number of rows currently into the buffer */ - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - img->current_available_rows = rows; - return GGRAPH_OK; -} - -GGRAPH_DECLARE void -gGraphDestroyImageInfos (const void *ptr) -{ -/* destroyng an image INFOS object */ - gGraphImageInfosPtr img = (gGraphImageInfosPtr) ptr; - - if (img == NULL) - return; - if (img->signature != GG_IMAGE_INFOS_MAGIC_SIGNATURE) - return; - gg_image_infos_destroy (img); -} - -GGRAPH_DECLARE int -gGraphGetImageInfos (const void *ptr, int *width, int *height, int *colorspace, - int *max_palette, int *bits_per_sample, - int *samples_per_pixel, int *sample_format, - int *tile_width, int *tile_height, int *rows_per_strip, - int *compression, double *no_data_value, double *min_value, - double *max_value, int *scale_1_2, int *scale_1_4, - int *scale_1_8) -{ -/* querying image INFOSt */ - gGraphImageInfosPtr infos = (gGraphImageInfosPtr) ptr; - gGraphImagePtr img = (gGraphImagePtr) ptr; - gGraphStripImagePtr strip_img = (gGraphStripImagePtr) ptr; - - if (ptr == NULL) - return GGRAPH_ERROR; - if (infos->signature == GG_IMAGE_INFOS_MAGIC_SIGNATURE) - { - /* form the INFO struct */ - *width = infos->width; - *height = infos->height; - switch (infos->pixel_format) - { - case GG_PIXEL_RGB: - case GG_PIXEL_BGR: - *colorspace = GGRAPH_COLORSPACE_TRUECOLOR; - break; - case GG_PIXEL_RGBA: - case GG_PIXEL_ARGB: - case GG_PIXEL_BGRA: - *colorspace = GGRAPH_COLORSPACE_TRUECOLOR; - break; - case GG_PIXEL_GRAYSCALE: - *colorspace = GGRAPH_COLORSPACE_GRAYSCALE; - break; - case GG_PIXEL_PALETTE: - if (infos->max_palette == 2) - { - if ((infos->palette_red[0] == 255 - && infos->palette_green[0] == 255 - && infos->palette_blue[0] == 255 - && infos->palette_red[1] == 0 - && infos->palette_green[1] == 0 - && infos->palette_blue[1] == 0) - || (infos->palette_red[0] == 0 - && infos->palette_green[0] == 0 - && infos->palette_blue[0] == 0 - && infos->palette_red[1] == 255 - && infos->palette_green[1] == 255 - && infos->palette_blue[1] == 255)) - *colorspace = GGRAPH_COLORSPACE_MONOCHROME; - else - *colorspace = GGRAPH_COLORSPACE_PALETTE; - } - else - *colorspace = GGRAPH_COLORSPACE_PALETTE; - break; - case GG_PIXEL_GRID: - *colorspace = GGRAPH_COLORSPACE_GRID; - break; - default: - *colorspace = GGRAPH_COLORSPACE_UNKNOWN; - break; - }; - *bits_per_sample = infos->bits_per_sample; - *samples_per_pixel = infos->samples_per_pixel; - *sample_format = infos->sample_format; - *tile_width = infos->tile_width; - *tile_height = infos->tile_height; - *rows_per_strip = infos->rows_per_strip; - *compression = infos->compression; - *no_data_value = infos->no_data_value; - *min_value = infos->min_value; - *max_value = infos->max_value; - *scale_1_2 = infos->scale_1_2; - *scale_1_4 = infos->scale_1_4; - *scale_1_8 = infos->scale_1_8; - return GGRAPH_OK; - } - else if (img->signature == GG_IMAGE_MAGIC_SIGNATURE) - { - /* from the IMAGE struct */ - *width = img->width; - *height = img->height; - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - case GG_PIXEL_BGR: - *colorspace = GGRAPH_COLORSPACE_TRUECOLOR; - break; - case GG_PIXEL_RGBA: - case GG_PIXEL_ARGB: - case GG_PIXEL_BGRA: - *colorspace = GGRAPH_COLORSPACE_TRUECOLOR; - break; - case GG_PIXEL_GRAYSCALE: - *colorspace = GGRAPH_COLORSPACE_GRAYSCALE; - break; - case GG_PIXEL_PALETTE: - if (img->max_palette == 2) - { - if ((img->palette_red[0] == 255 - && img->palette_green[0] == 255 - && img->palette_blue[0] == 255 - && img->palette_red[1] == 0 - && img->palette_green[1] == 0 - && img->palette_blue[1] == 0) - || (img->palette_red[0] == 0 - && img->palette_green[0] == 0 - && img->palette_blue[0] == 0 - && img->palette_red[1] == 255 - && img->palette_green[1] == 255 - && img->palette_blue[1] == 255)) - *colorspace = GGRAPH_COLORSPACE_MONOCHROME; - else - *colorspace = GGRAPH_COLORSPACE_PALETTE; - } - else - *colorspace = GGRAPH_COLORSPACE_PALETTE; - break; - case GG_PIXEL_GRID: - *colorspace = GGRAPH_COLORSPACE_GRID; - break; - default: - *colorspace = GGRAPH_COLORSPACE_UNKNOWN; - break; - }; - *max_palette = img->max_palette; - *bits_per_sample = img->bits_per_sample; - *samples_per_pixel = img->samples_per_pixel; - *sample_format = img->sample_format; - *tile_width = img->tile_width; - *tile_height = img->tile_height; - *rows_per_strip = img->rows_per_strip; - *compression = img->compression; - *no_data_value = img->no_data_value; - *min_value = img->min_value; - *max_value = img->max_value; - return GGRAPH_OK; - } - else if (strip_img->signature == GG_STRIP_IMAGE_MAGIC_SIGNATURE) - { - /* from the IMAGE struct */ - *width = strip_img->width; - *height = strip_img->height; - switch (strip_img->pixel_format) - { - case GG_PIXEL_RGB: - case GG_PIXEL_BGR: - *colorspace = GGRAPH_COLORSPACE_TRUECOLOR; - break; - case GG_PIXEL_RGBA: - case GG_PIXEL_ARGB: - case GG_PIXEL_BGRA: - *colorspace = GGRAPH_COLORSPACE_TRUECOLOR; - break; - case GG_PIXEL_GRAYSCALE: - *colorspace = GGRAPH_COLORSPACE_GRAYSCALE; - break; - case GG_PIXEL_PALETTE: - if (strip_img->max_palette == 2) - { - if ((strip_img->palette_red[0] == 255 - && strip_img->palette_green[0] == 255 - && strip_img->palette_blue[0] == 255 - && strip_img->palette_red[1] == 0 - && strip_img->palette_green[1] == 0 - && strip_img->palette_blue[1] == 0) - || (strip_img->palette_red[0] == 0 - && strip_img->palette_green[0] == 0 - && strip_img->palette_blue[0] == 0 - && strip_img->palette_red[1] == 255 - && strip_img->palette_green[1] == 255 - && strip_img->palette_blue[1] == 255)) - *colorspace = GGRAPH_COLORSPACE_MONOCHROME; - else - *colorspace = GGRAPH_COLORSPACE_PALETTE; - } - else - *colorspace = GGRAPH_COLORSPACE_PALETTE; - break; - case GG_PIXEL_GRID: - *colorspace = GGRAPH_COLORSPACE_GRID; - break; - default: - *colorspace = GGRAPH_COLORSPACE_UNKNOWN; - break; - }; - *max_palette = strip_img->max_palette; - *bits_per_sample = strip_img->bits_per_sample; - *samples_per_pixel = strip_img->samples_per_pixel; - *sample_format = strip_img->sample_format; - *tile_width = strip_img->tile_width; - *tile_height = strip_img->tile_height; - *rows_per_strip = strip_img->rows_per_strip; - *compression = strip_img->compression; - *no_data_value = strip_img->no_data_value; - *min_value = strip_img->min_value; - *max_value = strip_img->max_value; - return GGRAPH_OK; - } - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphGetImageDims (const void *ptr, int *width, int *height) -{ -/* querying image Width / Height */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - *width = img->width; - *height = img->height; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphGetImageSize (const void *ptr, int *size) -{ -/* querying image size */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - *size = img->height * img->scanline_width; - if (gg_is_image_monochrome_ready (img) == GGRAPH_TRUE) - *size /= 8; - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageColorSpaceOptimize (const void *ptr) -{ -/* attempting to optimize the actual color space */ - int current_color_space; - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - if (img->pixel_format == GG_PIXEL_PALETTE) - { - if (gg_is_image_monochrome_ready (img) == GGRAPH_TRUE) - current_color_space = GGRAPH_COLORSPACE_MONOCHROME; - else - current_color_space = GGRAPH_COLORSPACE_PALETTE; - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - current_color_space = GGRAPH_COLORSPACE_GRAYSCALE; - else - current_color_space = GGRAPH_COLORSPACE_TRUECOLOR; - - if (current_color_space == GGRAPH_COLORSPACE_MONOCHROME) - { - /* already optimized */ - return GGRAPH_OK; - } - if (gg_is_image_monochrome (img) == GGRAPH_TRUE) - { - /* attempting to optimize into MONOCHROME */ - return gg_convert_image_to_monochrome (img); - } - if (gg_is_image_grayscale (img) == GGRAPH_TRUE) - { - /* attempting to optimize into GRAYSCALE */ - return gg_convert_image_to_grayscale (img); - } - if (current_color_space == GGRAPH_COLORSPACE_PALETTE) - { - /* already optimized */ - return GGRAPH_OK; - } - if (gg_is_image_palette256 (img) == GGRAPH_TRUE) - { - /* attempting to optimize into PALETTE */ - return gg_convert_image_to_palette (img); - } - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageResampleAsGridInt16 (const void *ptr) -{ -/* promoting to GRID-Int16 */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - return gg_convert_image_to_grid_int16 (img); -} - -GGRAPH_DECLARE int -gGraphImageResampleAsGridUInt16 (const void *ptr) -{ -/* promoting to GRID-UInt16 */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - return gg_convert_image_to_grid_uint16 (img); -} - -GGRAPH_DECLARE int -gGraphImageResampleAsGridInt32 (const void *ptr) -{ -/* promoting to GRID-Int32 */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - return gg_convert_image_to_grid_int32 (img); -} - -GGRAPH_DECLARE int -gGraphImageResampleAsGridUInt32 (const void *ptr) -{ -/* promoting to GRID-UInt32 */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - return gg_convert_image_to_grid_uint32 (img); -} - -GGRAPH_DECLARE int -gGraphImageResampleAsGridFloat (const void *ptr) -{ -/* promoting to GRID-Float */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - return gg_convert_image_to_grid_float (img); -} - -GGRAPH_DECLARE int -gGraphImageResampleAsGridDouble (const void *ptr) -{ -/* promoting to GRID-Double */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - return gg_convert_image_to_grid_double (img); -} - -GGRAPH_DECLARE int -gGraphImageResampleAsRgb (const void *ptr) -{ -/* promoting to RGB */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - return gg_convert_image_to_rgb (img); -} - -GGRAPH_DECLARE int -gGraphImageTransparentResample (const void *ptr) -{ -/* resampling the Transparent Color near-values as Transparent */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - switch (img->pixel_format) - { - case GG_PIXEL_RGB: - return gg_resample_transparent_rgb (img); - case GG_PIXEL_RGBA: - return gg_resample_transparent_rgba (img); - case GG_PIXEL_GRAYSCALE: - return gg_resample_transparent_grayscale (img); - case GG_PIXEL_PALETTE: - return gg_resample_transparent_palette (img); - default: - return GGRAPH_OK; - }; -} - -GGRAPH_DECLARE int -gGraphImageResampleAsMonochrome (const void *ptr) -{ -/* applying BILEVEL quantization */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - return gg_convert_image_to_monochrome (img); -} - -GGRAPH_DECLARE int -gGraphImageResampleAsPalette (const void *ptr, int num_colors) -{ -/* applying quantization in order to fit into PALETTE colorspace */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - return gg_image_resample_as_palette (img, num_colors); -} - -GGRAPH_DECLARE int -gGraphImageResampleAsGrayscale (const void *ptr) -{ -/* converting into GRAYSCALE */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - return gg_convert_image_to_grayscale (img); -} - -GGRAPH_DECLARE int -gGraphImageResampleAsPhotographic (const void *ptr) -{ -/* converting into GRAYSCALE or RGB colorspace */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - if (img->pixel_format == GG_PIXEL_GRAYSCALE - || img->pixel_format == GG_PIXEL_RGB) - return GGRAPH_OK; - - if (gg_is_image_grayscale (img) == GGRAPH_TRUE) - { - /* attempting to convert into GRAYSCALE */ - return gg_convert_image_to_grayscale (img); - } - - return gg_convert_image_to_rgb (img); -} - -GGRAPH_DECLARE int -gGraphImageGuessFormat (const void *mem_buf, int mem_buf_size) -{ -/* attempting to guess the Image type from its Magic Number */ - const unsigned char *p = mem_buf; - if (mem_buf_size > 6) - { - if (p[0] == 'G' && p[1] == 'I' && p[2] == 'F' && p[3] == '8' - && (p[4] == '7' || p[4] == '9') && p[5] == 'a') - return GGRAPH_IMAGE_GIF; - if (p[0] == 0x89 && p[1] == 'P' && p[2] == 'N' && p[3] == 'G' - && p[4] == 0x0d && p[5] == 0x0a) - return GGRAPH_IMAGE_PNG; - } - if (mem_buf_size > 4) - { - if (p[0] == 'M' && p[1] == 'M' && p[2] == 0x00 && p[3] == '*') - return GGRAPH_IMAGE_TIFF; - if (p[0] == 'I' && p[1] == 'I' && p[2] == '*' && p[3] == 0x00) - return GGRAPH_IMAGE_TIFF; - } - if (mem_buf_size > 2) - { - if (p[0] == 0xff && p[1] == 0xd8) - return GGRAPH_IMAGE_JPEG; - } - return GGRAPH_IMAGE_UNKNOWN; -} - -GGRAPH_DECLARE int -gGraphFileImageGuessFormat (const char *path, int *type) -{ -/* attempting to guess the FileImage type from its Magic Number */ - FILE *in = NULL; - unsigned char mem_buf[10]; - int mem_buf_size; - - *type = GGRAPH_IMAGE_UNKNOWN; -/* attempting to open the image file */ - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - mem_buf_size = fread (mem_buf, 1, 10, in); - if (mem_buf_size < 10) - { - fclose (in); - return GGRAPH_FILE_READ_ERROR; - } - fclose (in); - *type = gGraphImageGuessFormat (mem_buf, 10); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageIsGeoRef (const void *ptr) -{ -/* checking if an Image is georeferenced or not */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - - if (img == NULL) - return GGRAPH_ERROR; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_ERROR; - - if (img->is_georeferenced) - return GGRAPH_OK; - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphImageSetGeoRef (const void *ptr, int srid, const char *srs_name, - const char *proj4text, double upper_left_x, - double upper_left_y, double pixel_x_size, - double pixel_y_size) -{ -/* setting the georeferencing infos for some Image */ - int len; - char *SrsName = NULL; - char *Proj4Text = NULL; - gGraphImagePtr img = (gGraphImagePtr) ptr; - gGraphStripImagePtr strip_img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_IMAGE_UNKNOWN; - if (img->signature == GG_IMAGE_MAGIC_SIGNATURE) - { - /* setting up an Image struct */ - if (srs_name) - { - len = strlen (srs_name); - if (len > 0) - { - SrsName = malloc (len + 1); - if (!SrsName) - return GGRAPH_ERROR; - strcpy (SrsName, srs_name); - } - } - if (proj4text) - { - len = strlen (proj4text); - if (len > 0) - { - Proj4Text = malloc (len + 1); - if (!Proj4Text) - { - free (SrsName); - return GGRAPH_ERROR; - } - strcpy (Proj4Text, proj4text); - } - } - - if (img->srs_name) - free (img->srs_name); - if (img->proj4text) - free (img->proj4text); - - img->is_georeferenced = 1; - img->srid = srid; - img->srs_name = SrsName; - img->proj4text = Proj4Text; - img->upper_left_x = upper_left_x; - img->upper_left_y = upper_left_y; - img->pixel_x_size = pixel_x_size; - img->pixel_y_size = pixel_y_size; - return GGRAPH_OK; - } - else if (strip_img->signature == GG_STRIP_IMAGE_MAGIC_SIGNATURE) - { /* setting up a Strip Image struct */ - if (srs_name) - { - len = strlen (srs_name); - if (len > 0) - { - SrsName = malloc (len + 1); - if (!SrsName) - return GGRAPH_ERROR; - strcpy (SrsName, srs_name); - } - } - if (proj4text) - { - len = strlen (proj4text); - if (len > 0) - { - Proj4Text = malloc (len + 1); - if (!Proj4Text) - { - free (SrsName); - return GGRAPH_ERROR; - } - strcpy (Proj4Text, proj4text); - } - } - - if (strip_img->srs_name) - free (strip_img->srs_name); - if (strip_img->proj4text) - free (strip_img->proj4text); - - strip_img->is_georeferenced = 1; - strip_img->srid = srid; - strip_img->srs_name = SrsName; - strip_img->proj4text = Proj4Text; - strip_img->upper_left_x = upper_left_x; - strip_img->upper_left_y = upper_left_y; - strip_img->pixel_x_size = pixel_x_size; - strip_img->pixel_y_size = pixel_y_size; - return GGRAPH_OK; - } - return GGRAPH_IMAGE_UNKNOWN; -} - -GGRAPH_DECLARE int -gGraphImageGetGeoRef (const void *ptr, int *srid, char *srs_name, - char *proj4text, double *upper_left_x, - double *upper_left_y, double *pixel_x_size, - double *pixel_y_size) -{ -/* retrieving the georeferencing infos from some Image */ - gGraphImagePtr img = (gGraphImagePtr) ptr; - gGraphStripImagePtr strip_img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_IMAGE_UNKNOWN; - if (img->signature == GG_IMAGE_MAGIC_SIGNATURE) - { - /* from normal Image */ - if (img->is_georeferenced == 0) - return GGRAPH_ERROR; - - *srid = img->srid; - if (img->srs_name) - strcpy (srs_name, img->srs_name); - else - *srs_name = '\0'; - if (img->proj4text) - strcpy (proj4text, img->proj4text); - else - *proj4text = '\0'; - *upper_left_x = img->upper_left_x; - *upper_left_y = img->upper_left_y; - *pixel_x_size = img->pixel_x_size; - *pixel_y_size = img->pixel_y_size; - return GGRAPH_OK; - } - else if (strip_img->signature == GG_STRIP_IMAGE_MAGIC_SIGNATURE) - { - /* from strip Image */ - if (strip_img->is_georeferenced == 0) - return GGRAPH_ERROR; - - *srid = strip_img->srid; - if (strip_img->srs_name) - strcpy (srs_name, strip_img->srs_name); - else - *srs_name = '\0'; - if (strip_img->proj4text) - strcpy (proj4text, strip_img->proj4text); - else - *proj4text = '\0'; - *upper_left_x = strip_img->upper_left_x; - *upper_left_y = strip_img->upper_left_y; - *pixel_x_size = strip_img->pixel_x_size; - *pixel_y_size = strip_img->pixel_y_size; - return GGRAPH_OK; - } - return GGRAPH_IMAGE_UNKNOWN; -} - -GGRAPH_DECLARE int -gGraphImageInfosGetGeoRef (const void *ptr, int *srid, char *srs_name, - char *proj4text, double *upper_left_x, - double *upper_left_y, double *pixel_x_size, - double *pixel_y_size) -{ -/* retrieving the georeferencing infos from some Image */ - gGraphImageInfosPtr img = (gGraphImageInfosPtr) ptr; - - if (img == NULL) - return GGRAPH_IMAGE_UNKNOWN; - if (img->signature != GG_IMAGE_INFOS_MAGIC_SIGNATURE) - return GGRAPH_IMAGE_UNKNOWN; - if (img->is_georeferenced == 0) - return GGRAPH_ERROR; - - *srid = img->srid; - if (img->srs_name) - strcpy (srs_name, img->srs_name); - else - *srs_name = '\0'; - if (img->proj4text) - strcpy (proj4text, img->proj4text); - else - *proj4text = '\0'; - *upper_left_x = img->upper_left_x; - *upper_left_y = img->upper_left_y; - *pixel_x_size = img->pixel_x_size; - *pixel_y_size = img->pixel_y_size; - return GGRAPH_OK; -} - -static int -token_to_double (const char *str, double *value) -{ -/* attempting to convert from string to double */ - const char *p = str; - int error = 0; - int digits = 0; - int comma = 0; - int sign = 0; - while (*p != '\0') - { - if (*p >= '0' && *p <= '9') - digits++; - else if (*p == '.') - comma++; - else if (*p == '-' || *p == '+') - { - if (digits == 0) - sign++; - else - error = 1; - } - else - error = 1; - p++; - } - if (digits > 0 && sign < 2 && comma < 2 && error == 0) - { - *value = atof (str); - return 1; - } - return 0; -} - -GGRAPH_DECLARE int -gGraphGetWorldFilePath (const char *main_path, char *world_file_path) -{ -/* generating a World File path corresponding to the Image path */ - char suffix[1024]; - char string[1024]; - int i; - int len; - - strcpy (string, main_path); - len = strlen (string) - 1; - for (i = len - 1; i >= 0; i--) - { - if (string[i] == '.') - { - strcpy (suffix, string + i); - string[i] = '\0'; - if (strcasecmp (suffix, ".jpg") == 0) - { - strcpy (world_file_path, string); - strcat (world_file_path, ".jgw"); - return GGRAPH_OK; - } - if (strcasecmp (suffix, ".png") == 0) - { - strcpy (world_file_path, string); - strcat (world_file_path, ".pgw"); - return GGRAPH_OK; - } - if (strcasecmp (suffix, ".gif") == 0) - { - strcpy (world_file_path, string); - strcat (world_file_path, ".gfw"); - return GGRAPH_OK; - } - if (strcasecmp (suffix, ".tif") == 0) - { - strcpy (world_file_path, string); - strcat (world_file_path, ".tfw"); - return GGRAPH_OK; - } - } - } - *world_file_path = '\0'; - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphReadWorldFile (const char *path, double *ul_x, double *ul_y, - double *x_size, double *y_size) -{ -/* attempting to read georeferencing infos from some World File */ - FILE *in = NULL; - double upper_left_x = DBL_MAX; - double upper_left_y = DBL_MAX; - double pixel_x = DBL_MAX; - double pixel_y = DBL_MAX; - double value; - int c; - int i; - char wf_buf[1024]; - char *p_wf; - int wf_row; - - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - - wf_row = 0; - p_wf = wf_buf; - while ((c = getc (in)) != EOF) - { - /* parsing the Worldfile */ - if (c == '\r') - continue; - if (c == '\n') - { - *p_wf = '\0'; - for (i = 0; i < (int) strlen (wf_buf); i++) - { - /* replacing any COMMA (badly formatted decimal separator) */ - if (wf_buf[i] == ',') - wf_buf[i] = '.'; - } - switch (wf_row) - { - case 0: - if (!token_to_double (wf_buf, &value)) - goto stop; - else - pixel_x = value; - break; - case 3: - if (!token_to_double (wf_buf, &value)) - goto stop; - else - pixel_y = value * -1.0; - break; - case 4: - if (!token_to_double (wf_buf, &value)) - goto stop; - else - upper_left_x = value; - break; - case 5: - if (!token_to_double (wf_buf, &value)) - goto stop; - else - upper_left_y = value; - break; - }; - p_wf = wf_buf; - wf_row++; - continue; - } - *p_wf++ = c; - if (p_wf - wf_buf > 1024) - goto stop; - } - fclose (in); - - if (pixel_x == DBL_MAX || pixel_y == DBL_MAX || upper_left_x == DBL_MAX - || upper_left_y == DBL_MAX) - return GGRAPH_ERROR; - - *ul_x = upper_left_x; - *ul_y = upper_left_y; - *x_size = pixel_x; - *y_size = pixel_y; - return GGRAPH_OK; - - stop: - fclose (in); - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphImageResizeNormal (const void *orig, const void **dest, int width, - int height) -{ -/* generating a resized image [Normal Quality] */ - gGraphImagePtr img2 = NULL; - gGraphImagePtr img = (gGraphImagePtr) orig; - - *dest = NULL; - if (img == NULL) - return GGRAPH_ERROR; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_ERROR; - - img2 = - gg_image_create (img->pixel_format, width, height, img->bits_per_sample, - img->samples_per_pixel, img->sample_format, - img->srs_name, img->proj4text); - if (!img2) - return GGRAPH_INSUFFICIENT_MEMORY; - if (img->pixel_format == GG_PIXEL_GRID) - gg_grid_resize (img2, img); - else - gg_image_resize (img2, img); - gg_image_clone_georeferencing (img2, img); - *dest = img2; - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageResizeHighQuality (const void *orig, const void **dest, int width, - int height) -{ -/* generating a resized image [High Quality] */ - gGraphImagePtr img2 = NULL; - gGraphImagePtr img = (gGraphImagePtr) orig; - - *dest = NULL; - if (img == NULL) - return GGRAPH_ERROR; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_ERROR; - - img2 = - gg_image_create (img->pixel_format, width, height, img->bits_per_sample, - img->samples_per_pixel, img->sample_format, - img->srs_name, img->proj4text); - if (!img2) - return GGRAPH_INSUFFICIENT_MEMORY; - if (img->pixel_format == GG_PIXEL_GRID) - gg_make_grid_thumbnail (img2, img); - else - gg_make_thumbnail (img2, img); - gg_image_clone_georeferencing (img2, img); - *dest = img2; - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageResizeToResolution (const void *orig, const void **dest, - double pixel_x_size, double pixel_y_size, - int *x_width, int *x_height) -{ -/* generating a resized image [High Quality] */ - int width; - int height; - double ww; - double wh; - gGraphImagePtr img2 = NULL; - gGraphImagePtr img = (gGraphImagePtr) orig; - - *dest = NULL; - *x_width = 0; - *x_height = 0; - if (img == NULL) - return GGRAPH_ERROR; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_ERROR; - - ww = (double) (img->width) * img->pixel_x_size; - wh = (double) (img->height) * img->pixel_y_size; - width = (int) (ww / pixel_x_size); - height = (int) (wh / pixel_y_size); - - img2 = - gg_image_create (img->pixel_format, width, height, img->bits_per_sample, - img->samples_per_pixel, img->sample_format, - img->srs_name, img->proj4text); - if (!img2) - return GGRAPH_INSUFFICIENT_MEMORY; - if (img->pixel_format == GG_PIXEL_GRID) - gg_make_grid_thumbnail (img2, img); - else - gg_make_thumbnail (img2, img); - gg_image_clone_georeferencing (img2, img); - *dest = img2; - *x_width = width; - *x_height = height; - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageSubSet (const void *orig, const void **dest, int upper_left_x, - int upper_left_y, int width, int height) -{ -/* generating an Image SubSet */ - gGraphImagePtr img2 = NULL; - gGraphImagePtr img = (gGraphImagePtr) orig; - - *dest = NULL; - if (img == NULL) - return GGRAPH_ERROR; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_ERROR; - - img2 = - gg_image_create (img->pixel_format, width, height, img->bits_per_sample, - img->samples_per_pixel, img->sample_format, - img->srs_name, img->proj4text); - if (!img2) - return GGRAPH_INSUFFICIENT_MEMORY; - gg_image_sub_set (img2, img, upper_left_x, upper_left_y); - *dest = img2; - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageBufferReferenceRGB (const void *ptr, unsigned char **buffer) -{ -/* -/ this function create a separate copy of the internal image buffer -/ if required color-space conversion will be applied -/ and the original image will be unaffected -*/ - unsigned char *buf; - unsigned char *p_in; - unsigned char *p_out; - int scanline_width; - int x; - int y; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char gray; - unsigned char index; - gGraphImagePtr img = (gGraphImagePtr) ptr; - *buffer = NULL; - if (img == NULL) - return GGRAPH_ERROR; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_ERROR; - - scanline_width = img->width * 3; - buf = malloc (scanline_width * img->height); - if (!buf) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - p_out = buf + (y * scanline_width); - for (x = 0; x < img->width; x++) - { - if (img->pixel_format == GG_PIXEL_RGB) - { - *p_out++ = *p_in++; /* red */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* blue */ - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - *p_out++ = *p_in++; /* red */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* blue */ - p_in++; /* discarding Alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; - *p_out++ = *p_in++; /* red */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* blue */ - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* discarding Alpha */ - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - gray = *p_in++; - *p_out++ = gray; - *p_out++ = gray; - *p_out++ = gray; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - index = *p_in++; - *p_out++ = img->palette_red[index]; - *p_out++ = img->palette_green[index]; - *p_out++ = img->palette_blue[index]; - } - } - } - *buffer = buf; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageBufferReferenceRGBA (const void *ptr, unsigned char **buffer) -{ -/* -/ this function create a separate copy of the internal image buffer -/ if required color-space conversion will be applied -/ and the original image will be unaffected -*/ - unsigned char *buf; - unsigned char *p_in; - unsigned char *p_out; - int scanline_width; - int x; - int y; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char alpha; - unsigned char gray; - unsigned char index; - gGraphImagePtr img = (gGraphImagePtr) ptr; - *buffer = NULL; - if (img == NULL) - return GGRAPH_ERROR; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_ERROR; - - scanline_width = img->width * 4; - buf = malloc (scanline_width * img->height); - if (!buf) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - p_out = buf + (y * scanline_width); - for (x = 0; x < img->width; x++) - { - if (img->pixel_format == GG_PIXEL_RGB) - { - *p_out++ = *p_in++; /* red */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* blue */ - *p_out++ = 255; /* opaque Alpha */ - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - *p_out++ = *p_in++; /* red */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* blue */ - *p_out++ = *p_in++; /* Alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - alpha = *p_in++; - *p_out++ = *p_in++; /* red */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* blue */ - *p_out++ = alpha; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - *p_out++ = 255; /* opaque Alpha */ - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - alpha = *p_in++; - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - *p_out++ = alpha; - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - gray = *p_in++; - *p_out++ = gray; - *p_out++ = gray; - *p_out++ = gray; - *p_out++ = 255; /* opaque Alpha */ - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - index = *p_in++; - *p_out++ = img->palette_red[index]; - *p_out++ = img->palette_green[index]; - *p_out++ = img->palette_blue[index]; - *p_out++ = 255; /* opaque Alpha */ - } - } - } - *buffer = buf; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageBufferReferenceARGB (const void *ptr, unsigned char **buffer) -{ -/* -/ this function create a separate copy of the internal image buffer -/ if required color-space conversion will be applied -/ and the original image will be unaffected -*/ - unsigned char *buf; - unsigned char *p_in; - unsigned char *p_out; - int scanline_width; - int x; - int y; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char alpha; - unsigned char gray; - unsigned char index; - gGraphImagePtr img = (gGraphImagePtr) ptr; - *buffer = NULL; - if (img == NULL) - return GGRAPH_ERROR; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_ERROR; - - scanline_width = img->width * 4; - buf = malloc (scanline_width * img->height); - if (!buf) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - p_out = buf + (y * scanline_width); - for (x = 0; x < img->width; x++) - { - if (img->pixel_format == GG_PIXEL_RGB) - { - *p_out++ = 255; /* opaque Alpha */ - *p_out++ = *p_in++; /* red */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* blue */ - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - alpha = *p_in++; - *p_out++ = *p_in++; /* red */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* blue */ - *p_in++ = alpha; - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - *p_out++ = *p_in++; /* Alpha */ - *p_out++ = *p_in++; /* red */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* blue */ - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - *p_out++ = 255; /* opaque Alpha */ - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - *p_out++ = *p_in++; /* Alpha */ - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - gray = *p_in++; - *p_out++ = 255; /* opaque Alpha */ - *p_out++ = gray; - *p_out++ = gray; - *p_out++ = gray; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - index = *p_in++; - *p_out++ = 255; /* opaque Alpha */ - *p_out++ = img->palette_red[index]; - *p_out++ = img->palette_green[index]; - *p_out++ = img->palette_blue[index]; - } - } - } - *buffer = buf; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageBufferReferenceBGR (const void *ptr, unsigned char **buffer) -{ -/* -/ this function create a separate copy of the internal image buffer -/ if required color-space conversion will be applied -/ and the original image will be unaffected -*/ - unsigned char *buf; - unsigned char *p_in; - unsigned char *p_out; - int scanline_width; - int x; - int y; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char gray; - unsigned char index; - gGraphImagePtr img = (gGraphImagePtr) ptr; - *buffer = NULL; - if (img == NULL) - return GGRAPH_ERROR; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_ERROR; - - scanline_width = img->width * 3; - buf = malloc (scanline_width * img->height); - if (!buf) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - p_out = buf + (y * scanline_width); - for (x = 0; x < img->width; x++) - { - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* discarding Alpha */ - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; - red = *p_in++; - green = *p_in++; - blue = *p_in++; - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - *p_out++ = *p_in++; /* blue */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* red */ - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - *p_out++ = *p_in++; /* blue */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* red */ - p_in++; /* discarding Alpha */ - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - gray = *p_in++; - *p_out++ = gray; - *p_out++ = gray; - *p_out++ = gray; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - index = *p_in++; - *p_out++ = img->palette_blue[index]; - *p_out++ = img->palette_green[index]; - *p_out++ = img->palette_red[index]; - } - } - } - *buffer = buf; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageBufferReferenceBGRA (const void *ptr, unsigned char **buffer) -{ -/* -/ this function create a separate copy of the internal image buffer -/ if required color-space conversion will be applied -/ and the original image will be unaffected -*/ - unsigned char *buf; - unsigned char *p_in; - unsigned char *p_out; - int scanline_width; - int x; - int y; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char alpha; - unsigned char gray; - unsigned char index; - gGraphImagePtr img = (gGraphImagePtr) ptr; - *buffer = NULL; - if (img == NULL) - return GGRAPH_ERROR; - if (img->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_ERROR; - - scanline_width = img->width * 4; - buf = malloc (scanline_width * img->height); - if (!buf) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - p_out = buf + (y * scanline_width); - for (x = 0; x < img->width; x++) - { - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - *p_out++ = 255; /* opaque Alpha */ - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - *p_out++ = *p_in++; /* Alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - alpha = *p_in++; - red = *p_in++; - green = *p_in++; - blue = *p_in++; - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - *p_out++ = alpha; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - *p_out++ = *p_in++; /* blue */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* red */ - *p_out++ = 255; /* opaque Alpha */ - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - *p_out++ = *p_in++; /* blue */ - *p_out++ = *p_in++; /* green */ - *p_out++ = *p_in++; /* red */ - *p_out++ = *p_in++; /* Alpha */ - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - gray = *p_in++; - *p_out++ = gray; - *p_out++ = gray; - *p_out++ = gray; - *p_out++ = 255; /* opaque Alpha */ - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - index = *p_in++; - *p_out++ = img->palette_blue[index]; - *p_out++ = img->palette_green[index]; - *p_out++ = img->palette_red[index]; - *p_out++ = 255; /* opaque Alpha */ - } - } - } - *buffer = buf; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageFromRawMemBuf (const void *mem_buf, int mem_buf_size, - const void **image_handle) -{ -/* importing an image from a RAW un-compressed memory buffer */ - gGraphImagePtr img = NULL; - int ret; - - *image_handle = NULL; - ret = gg_image_from_raw (mem_buf_size, mem_buf, &img); - if (ret != GGRAPH_OK) - return ret; - - *image_handle = img; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphIsRawImage (const void *mem_buf, int mem_buf_size) -{ -/* checks if this one is a RAW un-compressed memory buffer */ - unsigned char *p = (unsigned char *) mem_buf; - short start_signature; - short end_signature; - int endian_arch = gg_endian_arch (); - - if (mem_buf_size < (int) (sizeof (short) * 4)) - return GGRAPH_ERROR; - -/* checking the magic signature */ - start_signature = gg_import_int16 (p, 1, endian_arch); - p = (unsigned char *) mem_buf + mem_buf_size - sizeof (short); - end_signature = gg_import_int16 (p, 1, endian_arch); - if (start_signature == GG_MONOCHROME_START - && end_signature == GG_MONOCHROME_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_1_RGB_START - && end_signature == GG_ADAM7_1_RGB_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_3_RGB_START - && end_signature == GG_ADAM7_3_RGB_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_5_RGB_START - && end_signature == GG_ADAM7_5_RGB_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_1_GRAYSCALE_START - && end_signature == GG_ADAM7_1_GRAYSCALE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_3_GRAYSCALE_START - && end_signature == GG_ADAM7_3_GRAYSCALE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_5_GRAYSCALE_START - && end_signature == GG_ADAM7_5_GRAYSCALE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_1_PALETTE_START - && end_signature == GG_ADAM7_1_PALETTE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_3_PALETTE_START - && end_signature == GG_ADAM7_3_PALETTE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_5_PALETTE_START - && end_signature == GG_ADAM7_5_PALETTE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_1_INT16_START - && end_signature == GG_ADAM7_1_INT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_3_INT16_START - && end_signature == GG_ADAM7_3_INT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_5_INT16_START - && end_signature == GG_ADAM7_5_INT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_1_UINT16_START - && end_signature == GG_ADAM7_1_UINT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_3_UINT16_START - && end_signature == GG_ADAM7_3_UINT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_5_UINT16_START - && end_signature == GG_ADAM7_5_UINT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_1_INT32_START - && end_signature == GG_ADAM7_1_INT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_3_INT32_START - && end_signature == GG_ADAM7_3_INT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_5_INT32_START - && end_signature == GG_ADAM7_5_INT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_1_UINT32_START - && end_signature == GG_ADAM7_1_UINT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_3_UINT32_START - && end_signature == GG_ADAM7_3_UINT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_5_UINT32_START - && end_signature == GG_ADAM7_5_UINT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_1_FLOAT_START - && end_signature == GG_ADAM7_1_FLOAT_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_3_FLOAT_START - && end_signature == GG_ADAM7_3_FLOAT_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_5_FLOAT_START - && end_signature == GG_ADAM7_5_FLOAT_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_1_DOUBLE_START - && end_signature == GG_ADAM7_1_DOUBLE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_3_DOUBLE_START - && end_signature == GG_ADAM7_3_DOUBLE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_5_DOUBLE_START - && end_signature == GG_ADAM7_5_DOUBLE_END) - return GGRAPH_OK; - - p = (unsigned char *) mem_buf; - start_signature = gg_import_int16 (p, 0, endian_arch); - p = (unsigned char *) mem_buf + mem_buf_size - sizeof (short); - end_signature = gg_import_int16 (p, 0, endian_arch); - if (start_signature == GG_ADAM7_0_RGB_START - && end_signature == GG_ADAM7_0_RGB_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_2_RGB_START - && end_signature == GG_ADAM7_2_RGB_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_4_RGB_START - && end_signature == GG_ADAM7_4_RGB_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_6_RGB_START - && end_signature == GG_ADAM7_6_RGB_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_0_GRAYSCALE_START - && end_signature == GG_ADAM7_0_GRAYSCALE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_2_GRAYSCALE_START - && end_signature == GG_ADAM7_2_GRAYSCALE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_4_GRAYSCALE_START - && end_signature == GG_ADAM7_4_GRAYSCALE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_6_GRAYSCALE_START - && end_signature == GG_ADAM7_6_GRAYSCALE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_0_PALETTE_START - && end_signature == GG_ADAM7_0_PALETTE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_2_PALETTE_START - && end_signature == GG_ADAM7_2_PALETTE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_4_PALETTE_START - && end_signature == GG_ADAM7_4_PALETTE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_6_PALETTE_START - && end_signature == GG_ADAM7_6_PALETTE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_0_INT16_START - && end_signature == GG_ADAM7_0_INT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_2_INT16_START - && end_signature == GG_ADAM7_2_INT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_4_INT16_START - && end_signature == GG_ADAM7_4_INT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_6_INT16_START - && end_signature == GG_ADAM7_6_INT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_0_UINT16_START - && end_signature == GG_ADAM7_0_UINT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_2_UINT16_START - && end_signature == GG_ADAM7_2_UINT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_4_UINT16_START - && end_signature == GG_ADAM7_4_UINT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_6_UINT16_START - && end_signature == GG_ADAM7_6_UINT16_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_0_INT32_START - && end_signature == GG_ADAM7_0_INT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_2_INT32_START - && end_signature == GG_ADAM7_2_INT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_4_INT32_START - && end_signature == GG_ADAM7_4_INT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_6_INT32_START - && end_signature == GG_ADAM7_6_INT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_0_UINT32_START - && end_signature == GG_ADAM7_0_UINT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_2_UINT32_START - && end_signature == GG_ADAM7_2_UINT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_4_UINT32_START - && end_signature == GG_ADAM7_4_UINT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_6_UINT32_START - && end_signature == GG_ADAM7_6_UINT32_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_0_FLOAT_START - && end_signature == GG_ADAM7_0_FLOAT_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_2_FLOAT_START - && end_signature == GG_ADAM7_2_FLOAT_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_4_FLOAT_START - && end_signature == GG_ADAM7_4_FLOAT_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_6_FLOAT_START - && end_signature == GG_ADAM7_6_FLOAT_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_0_DOUBLE_START - && end_signature == GG_ADAM7_0_DOUBLE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_2_DOUBLE_START - && end_signature == GG_ADAM7_2_DOUBLE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_4_DOUBLE_START - && end_signature == GG_ADAM7_4_DOUBLE_END) - return GGRAPH_OK; - if (start_signature == GG_ADAM7_6_DOUBLE_START - && end_signature == GG_ADAM7_6_DOUBLE_END) - return GGRAPH_OK; - - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphOutputPixelsToStripImage (const void *ptr_in, const void *ptr_out, - int in_row, int out_row) -{ -/* copying pixels from a memory image into a Strip Image */ - unsigned char *p_in; - unsigned char *p_out; - gGraphImagePtr img_in = (gGraphImagePtr) ptr_in; - gGraphStripImagePtr img_out = (gGraphStripImagePtr) ptr_out; - - if (img_in == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_out == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_in->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_out->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_in->pixel_format != img_out->pixel_format) - return GGRAPH_INVALID_IMAGE; - if (img_in->width != img_out->width) - return GGRAPH_INVALID_IMAGE; - - if (in_row < 0 || in_row >= img_in->height) - return GGRAPH_ERROR; - if (out_row < 0 || out_row >= img_out->rows_per_block) - return GGRAPH_ERROR; - - p_in = img_in->pixels + (in_row * img_in->scanline_width); - p_out = img_out->pixels + (out_row * img_out->scanline_width); - memcpy (p_out, p_in, img_in->scanline_width); - img_out->current_available_rows = out_row + 1; - - return GGRAPH_OK; -} - -static unsigned char -feed_palette (gGraphImagePtr img, unsigned char red, unsigned char green, - unsigned char blue) -{ -/* updating a palette */ - unsigned char i; - for (i = 0; i < img->max_palette; i++) - { - /* testing if this color is already present */ - if (img->palette_red[i] == red && img->palette_green[i] == green - && img->palette_blue[i] == blue) - return i; - } -/* inserting a new color */ - i = img->max_palette; - img->palette_red[i] = red; - img->palette_green[i] = green; - img->palette_blue[i] = blue; - img->max_palette += 1; - return i; -} - -GGRAPH_DECLARE int -gGraphInputPixelsFromStripImage (const void *ptr_in, const void *ptr_out, - int in_col) -{ -/* copying pixels from a Strip Image into a memory image */ - unsigned char *p_in; - unsigned char *p_out; - int y; - int x; - int is_monochrome = 0; - int is_monochrome_minisblack = 0; - gGraphStripImagePtr img_in = (gGraphStripImagePtr) ptr_in; - gGraphImagePtr img_out = (gGraphImagePtr) ptr_out; - - if (img_in == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_out == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_in->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_out->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_in->rows_per_block < img_out->height) - return GGRAPH_INVALID_IMAGE; - if (img_in->pixel_format != img_out->pixel_format) - return GGRAPH_INVALID_IMAGE; - - if (in_col < 0 || in_col >= img_in->width) - return GGRAPH_ERROR; - - if (img_in->pixel_format == GG_PIXEL_PALETTE) - { - is_monochrome = 1; - if (img_in->max_palette == 2 && img_in->palette_red[0] == 0 - && img_in->palette_green[0] == 0 - && img_in->palette_blue[0] == 0 - && img_in->palette_red[1] == 255 - && img_in->palette_green[1] == 255 - && img_in->palette_blue[1] == 255) - is_monochrome_minisblack = 1; - if (img_in->max_palette == 2 && img_in->palette_red[0] == 255 - && img_in->palette_green[0] == 255 - && img_in->palette_blue[0] == 255 - && img_in->palette_red[1] == 0 - && img_in->palette_green[1] == 0 && img_in->palette_blue[1] == 0) - is_monochrome_minisblack = 0; - } - - if (is_monochrome) - { - /* feeding a monochrome image */ - for (y = 0; y < img_out->height; y++) - { - p_in = img_in->pixels + (y * img_in->scanline_width) + in_col; - p_out = img_out->pixels + (y * img_out->scanline_width); - for (x = 0; x < img_out->width; x++) - *p_out++ = *p_in++; - } - img_out->max_palette = 2; - if (is_monochrome_minisblack) - { - img_out->palette_red[0] = 0; - img_out->palette_green[0] = 0; - img_out->palette_blue[0] = 0; - img_out->palette_red[1] = 255; - img_out->palette_green[1] = 255; - img_out->palette_blue[1] = 255; - } - else - { - img_out->palette_red[0] = 255; - img_out->palette_green[0] = 255; - img_out->palette_blue[0] = 255; - img_out->palette_red[1] = 0; - img_out->palette_green[1] = 0; - img_out->palette_blue[1] = 0; - } - } - else if (img_in->pixel_format == GG_PIXEL_PALETTE) - { - /* feeding a palette image */ - for (y = 0; y < img_out->height; y++) - { - p_in = img_in->pixels + (y * img_in->scanline_width) + in_col; - p_out = img_out->pixels + (y * img_out->scanline_width); - for (x = 0; x < img_out->width; x++) - { - int i_idx = *p_in++; - *p_out++ = - feed_palette (img_out, img_in->palette_red[i_idx], - img_in->palette_green[i_idx], - img_in->palette_blue[i_idx]); - } - } - } - else - { - for (y = 0; y < img_out->height; y++) - { - p_in = - img_in->pixels + (y * img_in->scanline_width) + - (in_col * img_in->pixel_size); - p_out = img_out->pixels + (y * img_out->scanline_width); - memcpy (p_out, p_in, img_out->scanline_width); - } - } - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageFromStripImage (const void *ptr_in, int color_space, - int sample_format, int bits_per_sample, - int samples_per_pixel, int start_line, - const void **ptr_out) -{ -/* creating an Image from a StripImage (may be, converting pixel format) */ - int width; - int height; - int pixel_format; - int x; - int y; - gGraphImagePtr img_out = NULL; - gGraphStripImagePtr img_in = (gGraphStripImagePtr) ptr_in; - - *ptr_out = NULL; - if (img_in == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_in->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - - width = img_in->width; - height = img_in->current_available_rows; - switch (color_space) - { - case GGRAPH_COLORSPACE_MONOCHROME: - case GGRAPH_COLORSPACE_PALETTE: - pixel_format = GG_PIXEL_PALETTE; - break; - case GGRAPH_COLORSPACE_GRAYSCALE: - pixel_format = GG_PIXEL_GRAYSCALE; - break; - case GGRAPH_COLORSPACE_TRUECOLOR: - case GGRAPH_COLORSPACE_TRUECOLOR_ALPHA: - pixel_format = GG_PIXEL_RGB; - break; - case GGRAPH_COLORSPACE_GRID: - pixel_format = GG_PIXEL_GRID; - break; - default: - pixel_format = GG_PIXEL_UNKNOWN; - break; - }; - if (pixel_format == GG_PIXEL_UNKNOWN) - return GGRAPH_ERROR; - if (img_in->pixel_format == GG_PIXEL_GRID || pixel_format == GG_PIXEL_GRID) - { - if (img_in->pixel_format == GG_PIXEL_GRID - && pixel_format == GG_PIXEL_GRID) - ; - else - return GGRAPH_ERROR; - } - if (pixel_format == GG_PIXEL_RGB) - { - if (sample_format == GGRAPH_SAMPLE_UINT && bits_per_sample == 8 - && samples_per_pixel == 3) - ; - else - return GGRAPH_ERROR; - } - if (pixel_format == GG_PIXEL_GRAYSCALE) - { - if (sample_format == GGRAPH_SAMPLE_UINT && bits_per_sample == 8 - && samples_per_pixel == 1) - ; - else - return GGRAPH_ERROR; - } - if (pixel_format == GG_PIXEL_PALETTE) - { - if (sample_format == GGRAPH_SAMPLE_UINT && samples_per_pixel == 1) - { - if (bits_per_sample == 1 || bits_per_sample == 2 - || bits_per_sample == 4 || bits_per_sample == 8) - ; - else - return GGRAPH_ERROR; - } - else - return GGRAPH_ERROR; - } - if (pixel_format == GG_PIXEL_GRID) - { - if (sample_format == GGRAPH_SAMPLE_UINT && bits_per_sample == 16 - && samples_per_pixel == 1) - ; - else if (sample_format == GGRAPH_SAMPLE_UINT && bits_per_sample == 32 - && samples_per_pixel == 1) - ; - else if (sample_format == GGRAPH_SAMPLE_INT && bits_per_sample == 16 - && samples_per_pixel == 1) - ; - else if (sample_format == GGRAPH_SAMPLE_INT && bits_per_sample == 32 - && samples_per_pixel == 1) - ; - else if (sample_format == GGRAPH_SAMPLE_FLOAT && bits_per_sample == 32 - && samples_per_pixel == 1) - ; - else if (sample_format == GGRAPH_SAMPLE_FLOAT && bits_per_sample == 64 - && samples_per_pixel == 1) - ; - else - return GGRAPH_ERROR; - } - - img_out = - gg_image_create (pixel_format, width, height, bits_per_sample, - samples_per_pixel, sample_format, NULL, NULL); - if (!img_out) - return GGRAPH_INSUFFICIENT_MEMORY; - if (img_in->is_georeferenced) - { - /* setting up georeferencing infos */ - img_out->srid = img_in->srid; - img_out->pixel_x_size = img_in->pixel_x_size; - img_out->pixel_y_size = img_in->pixel_y_size; - img_out->upper_left_x = img_in->upper_left_x; - img_out->upper_left_y = - img_in->upper_left_y - - ((double) start_line * img_in->pixel_y_size); - img_out->is_georeferenced = 1; - } - - if (img_out->pixel_format == GG_PIXEL_GRID) - ; - else if (img_out->pixel_format == GG_PIXEL_PALETTE) - { - if (img_in->bits_per_sample <= img_out->bits_per_sample) - ; - else - return GGRAPH_ERROR; - } - - for (y = 0; y < height; y++) - { - unsigned char *p_in = img_in->pixels + (y * img_in->scanline_width); - unsigned char *p_out = - img_out->pixels + (y * img_out->scanline_width); - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char idx; - for (x = 0; x < width; x++) - { - /* fetching the input pixel */ - switch (img_in->pixel_format) - { - case GG_PIXEL_RGB: - red = *p_in++; - green = *p_in++; - blue = *p_in++; - break; - case GG_PIXEL_RGBA: - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* skipping alpha */ - break; - case GG_PIXEL_ARGB: - p_in++; /* skipping alpha */ - red = *p_in++; - green = *p_in++; - blue = *p_in++; - break; - case GG_PIXEL_BGR: - blue = *p_in++; - green = *p_in++; - red = *p_in++; - break; - case GG_PIXEL_BGRA: - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - break; - case GG_PIXEL_GRAYSCALE: - red = *p_in++; - green = red; - blue = red; - break; - case GG_PIXEL_PALETTE: - idx = *p_in++; - red = img_in->palette_red[idx]; - green = img_in->palette_green[idx]; - blue = img_in->palette_blue[idx]; - break; - }; - /* storing the output pixel */ - switch (img_out->pixel_format) - { - case GG_PIXEL_RGB: - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - break; - case GG_PIXEL_GRAYSCALE: - *p_out++ = to_grayscale2 (red, green, blue); - break; - case GG_PIXEL_PALETTE: - *p_out++ = feed_palette (img_out, red, green, blue); - break; - }; - } - } - - *ptr_out = img_out; - return GGRAPH_OK; -} DELETED src/gaiagraphics_color_rules.c Index: src/gaiagraphics_color_rules.c ================================================================== --- src/gaiagraphics_color_rules.c +++ src/gaiagraphics_color_rules.c @@ -1,3198 +0,0 @@ -/* -/ gaiagraphics_color_rules.c -/ -/ GRIDS color rules helpers -/ -/ version 1.0, 2010 August 31 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2010 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include -#include - -#ifdef _WIN32 -#include -#include -#include -#else -#include -#include -#endif - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -#define GG_MAX_THREADS 64 - -#define LANDSAT_RED 1 -#define LANDSAT_GREEN 2 -#define LANDSAT_BLUE 3 -#define LANDSAT_PANCHRO 4 - -struct thread_grid_render -{ -/* a struct used by grid rendering threads */ - gGraphColorMapPtr color_map; - double no_data_value; - int sample_format; - int bits_per_sample; - void *pixels; - int base; - int num_pixels; - unsigned char *p_rgb; -}; - -struct thread_shaded_relief_render -{ -/* a struct used by shader relief rendering threads */ - gGraphShadedReliefTripleRowPtr triple_row; - double altRadians; - double azRadians; - int base; - int num_pixels; - unsigned char *p_rgb; -}; - -struct thread_landsat_recalibrate -{ -/* a struct used by Landsat recalibrate */ - gGraphStripImagePtr img_red; - gGraphStripImagePtr img_green; - gGraphStripImagePtr img_blue; - gGraphStripImagePtr img_out; - int min_row; - int max_row; - int width; - unsigned char value; - double lmin_red; - double lmax_red; - double qcalmin_red; - double qcalmax_red; - int gain_low_red; - double spectral_irradiance_red; - double low_gain_factor_red; - double high_gain_factor_red; - unsigned char recalibration_min_red; - unsigned char recalibration_max_red; - double lmin_green; - double lmax_green; - double qcalmin_green; - double qcalmax_green; - int gain_low_green; - double spectral_irradiance_green; - double low_gain_factor_green; - double high_gain_factor_green; - unsigned char recalibration_min_green; - unsigned char recalibration_max_green; - double lmin_blue; - double lmax_blue; - double qcalmin_blue; - double qcalmax_blue; - int gain_low_blue; - double spectral_irradiance_blue; - double low_gain_factor_blue; - double high_gain_factor_blue; - unsigned char recalibration_min_blue; - unsigned char recalibration_max_blue; - double lmin_panchro; - double lmax_panchro; - double qcalmin_panchro; - double qcalmax_panchro; - int gain_low_panchro; - double spectral_irradiance_panchro; - double low_gain_factor_panchro; - double high_gain_factor_panchro; - unsigned char recalibration_min_panchro; - unsigned char recalibration_max_panchro; - double sun_distance; - double sun_elevation; - int band; -}; - -static int -color_rule_compare1 (double min1, double max1, double min2, double max2) -{ -/* evaluting the range */ - if (min1 == min2 && max1 == max2) - return 0; - if (min1 > min2) - return 1; - if (min1 == min2 && max1 > max2) - return 1; - return -1; -} - -static int -cmp_color_rules1 (const void *p1, const void *p2) -{ -/* compares two Color Entries [for QSORT] */ - gGraphColorMapEntryPtr pR1 = *((gGraphColorMapEntryPtr *) p1); - gGraphColorMapEntryPtr pR2 = *((gGraphColorMapEntryPtr *) p2); - return color_rule_compare1 (pR1->min, pR2->max, pR2->min, pR2->max); -} - -static int -color_rule_compare2 (double value, double min, double max) -{ -/* evaluting the value */ - if (value < min) - return -1; - if (value > max) - return 1; - return 0; -} - -static int -cmp_color_rules2 (const void *p1, const void *p2) -{ -/* compares two Color Entries [for BSEARCH] */ - gGraphColorMapEntryPtr pR1 = (gGraphColorMapEntryPtr) p1; - gGraphColorMapEntryPtr pR2 = *((gGraphColorMapEntryPtr *) p2); - return color_rule_compare2 (pR1->min, pR2->min, pR2->max); -} - -GGRAPH_PRIVATE gGraphColorRulePtr -gg_color_rule_create (void) -{ -/* allocating an empty Color Rule */ - gGraphColorRulePtr ptr = malloc (sizeof (gGraphColorRule)); - if (!ptr) - return NULL; - ptr->signature = GG_COLOR_RULE_MAGIC_SIGNATURE; - ptr->first = NULL; - ptr->last = NULL; - ptr->needs_range = 0; - ptr->no_data_red = 255; - ptr->no_data_green = 255; - ptr->no_data_blue = 255; - return ptr; -} - -GGRAPH_PRIVATE void -gg_color_rule_destroy (gGraphColorRulePtr ptr) -{ -/* destroying a Color Rule */ - gGraphColorRuleItemPtr p; - gGraphColorRuleItemPtr pn; - if (!ptr) - return; - p = ptr->first; - while (p) - { - pn = p->next; - free (p); - p = pn; - } - free (ptr); -} - -GGRAPH_PRIVATE gGraphColorMapPtr -gg_color_map_create (void) -{ -/* allocating an empty Color Map */ - gGraphColorMapPtr ptr = malloc (sizeof (gGraphColorMap)); - if (!ptr) - return NULL; - ptr->signature = GG_COLOR_MAP_MAGIC_SIGNATURE; - ptr->first = NULL; - ptr->last = NULL; - ptr->no_data_red = 255; - ptr->no_data_green = 255; - ptr->no_data_blue = 255; - ptr->not_found_red = 255; - ptr->not_found_green = 255; - ptr->not_found_blue = 255; - ptr->num_entries = 0; - ptr->array = NULL; - return ptr; -} - -GGRAPH_PRIVATE void -gg_color_map_destroy (gGraphColorMapPtr ptr) -{ -/* destroying a Color Map */ - gGraphColorMapEntryPtr p; - gGraphColorMapEntryPtr pn; - if (!ptr) - return; - p = ptr->first; - while (p) - { - pn = p->next; - free (p); - p = pn; - } - if (ptr->array) - free (ptr->array); - free (ptr); -} - -static char * -string_tokenizer (char *string, char *delimiters, char **ptr) -{ -/* breaking a string into distinct tokens */ - char *start = NULL; - char *p; - if (*ptr != NULL) - p = *ptr; - else - p = string; - - if (p == NULL) - return NULL; - - while (1) - { - int sep = 0; - char *pd = delimiters; - - if (*p == '\0') - { - /* last token end */ - *ptr = p; - break; - } - - while (*pd != '\0') - { - if (*p == *pd) - { - /* found a separator char */ - sep = 1; - break; - } - pd++; - } - if (sep) - { - if (start) - { - /* token end */ - *p = '\0'; - *ptr = p + 1; - break; - } - } - else - { - if (!start) - { - /* token start */ - start = p; - } - } - p++; - } - - return start; -} - -static int -is_no_data_token (const char *token) -{ -/* checking if this one is a NoData declaration */ - char buf[8]; - int i; - if (strlen (token) != 2) - return 0; - strcpy (buf, token); - for (i = 0; i < (int) strlen (buf); i++) - { - if (buf[i] >= 'A' && buf[i] <= 'Z') - buf[i] = 'a' + (buf[i] - 'A'); - } - if (strcmp (buf, "nv") == 0) - return 1; - return 0; -} - -static int -token_to_double (const char *str, double *value) -{ -/* attempting to convert from string to double */ - const char *p = str; - int error = 0; - int digits = 0; - int comma = 0; - int sign = 0; - while (*p != '\0') - { - if (*p >= '0' && *p <= '9') - digits++; - else if (*p == '.') - comma++; - else if (*p == '-' || *p == '+') - { - if (digits == 0) - sign++; - else - error = 1; - } - else - error = 1; - p++; - } - if (digits > 0 && sign < 2 && comma < 2 && error == 0) - { - *value = atof (str); - return 1; - } - return 0; -} - -static int -is_percent_token (const char *token, double *perc_value) -{ -/* checking if this one is a percentual value */ - if (token[strlen (token) - 1] == '%') - { - double value; - char buf[128]; - strcpy (buf, token); - buf[strlen (token) - 1] = '\0'; - if (!token_to_double (buf, &value)) - return 0; - *perc_value = value; - return 1; - } - return 0; -} - -static int -is_color_name_token (const char *token, unsigned char *red, - unsigned char *green, unsigned char *blue) -{ -/* checking if this one is a color name */ - char buf[32]; - int i; - if (strlen (token) > 30) - return 0; - strcpy (buf, token); - for (i = 0; i < (int) strlen (buf); i++) - { - if (buf[i] >= 'A' && buf[i] <= 'Z') - buf[i] = 'a' + (buf[i] - 'A'); - } - if (strcmp (buf, "black") == 0) - { - *red = 0; - *green = 0; - *blue = 0; - return 1; - } - if (strcmp (buf, "white") == 0) - { - *red = 255; - *green = 255; - *blue = 255; - return 1; - } - if (strcmp (buf, "red") == 0) - { - *red = 255; - *green = 0; - *blue = 0; - return 1; - } - if (strcmp (buf, "lime") == 0) - { - *red = 0; - *green = 255; - *blue = 0; - return 1; - } - if (strcmp (buf, "blue") == 0) - { - *red = 0; - *green = 0; - *blue = 255; - return 1; - } - if (strcmp (buf, "yellow") == 0) - { - *red = 255; - *green = 255; - *blue = 0; - return 1; - } - if (strcmp (buf, "magenta") == 0 || strcmp (buf, "fuchsia") == 0) - { - *red = 255; - *green = 0; - *blue = 255; - return 1; - } - if (strcmp (buf, "cyan") == 0 || strcmp (buf, "aqua") == 0) - { - *red = 0; - *green = 255; - *blue = 255; - return 1; - } - if (strcmp (buf, "orange") == 0) - { - *red = 255; - *green = 128; - *blue = 0; - return 1; - } - if (strcmp (buf, "violet") == 0) - { - *red = 128; - *green = 0; - *blue = 255; - return 1; - } - if (strcmp (buf, "purple") == 0) - { - *red = 128; - *green = 0; - *blue = 128; - return 1; - } - if (strcmp (buf, "brown") == 0 || strcmp (buf, "maroon") == 0) - { - *red = 128; - *green = 0; - *blue = 0; - return 1; - } - if (strcmp (buf, "indigo") == 0) - { - *red = 0; - *green = 0; - *blue = 128; - return 1; - } - if (strcmp (buf, "green") == 0) - { - *red = 0; - *green = 128; - *blue = 0; - return 1; - } - if (strcmp (buf, "navy") == 0) - { - *red = 0; - *green = 0; - *blue = 128; - return 1; - } - if (strcmp (buf, "olive") == 0) - { - *red = 128; - *green = 128; - *blue = 0; - return 1; - } - if (strcmp (buf, "teal") == 0) - { - *red = 0; - *green = 128; - *blue = 128; - return 1; - } - if (strcmp (buf, "silver") == 0) - { - *red = 192; - *green = 192; - *blue = 192; - return 1; - } - if (strcmp (buf, "gray") == 0) - { - *red = 128; - *green = 128; - *blue = 128; - return 1; - } - return 0; -} - -static gGraphColorRuleItemPtr -alloc_color_rule_item (double value, unsigned char percent, unsigned char red, - unsigned char green, unsigned char blue) -{ -/* allocates and initializes a Color Rule Item */ - gGraphColorRuleItemPtr p = malloc (sizeof (gGraphColorRuleItem)); - if (!p) - return NULL; - if (percent) - { - p->value = DBL_MAX; - p->percent_value = value; - } - else - { - p->value = value; - p->percent_value = DBL_MAX; - } - p->is_percent = percent; - p->red = red; - p->green = green; - p->blue = blue; - p->next = NULL; - return p; -} - -static int -add_interval_to_color_rule (gGraphColorRulePtr ptr, double value, - unsigned char red, unsigned char green, - unsigned char blue) -{ -/* adding an Interval [absolute value] to a Color Rule */ - gGraphColorRuleItemPtr p; - if (!ptr) - return 0; - p = alloc_color_rule_item (value, 0, red, green, blue); - if (!p) - return 0; - if (ptr->first == NULL) - ptr->first = p; - if (ptr->last != NULL) - ptr->last->next = p; - ptr->last = p; - return 1; -} - -static int -add_percent_to_color_rule (gGraphColorRulePtr ptr, double value, - unsigned char red, unsigned char green, - unsigned char blue) -{ -/* adding an Interval [percent] to a Color Rule */ - gGraphColorRuleItemPtr p; - if (!ptr) - return 0; - p = alloc_color_rule_item (value, 1, red, green, blue); - if (!p) - return 0; - ptr->needs_range = 1; - if (ptr->first == NULL) - ptr->first = p; - if (ptr->last != NULL) - ptr->last->next = p; - ptr->last = p; - return 1; -} - -GGRAPH_DECLARE int -gGraphColorRuleFromMemBuf (char *buf, const void **color_rule) -{ -/* trying to load a Color Rule from a GRASS-like memory block [null terminated] */ - const char *p = buf; - char in_buf[1024]; - char *token; - char *p_in; - int error; - double threshold; - unsigned char red; - unsigned char green; - unsigned char blue; - int no_data; - int percent; - double perc_value; - int color_name; - char *saveptr; - int i_tk; - double value; - int ret; - gGraphColorRulePtr rule = NULL; - - *color_rule = NULL; - rule = gg_color_rule_create (); - if (!rule) - return GGRAPH_INSUFFICIENT_MEMORY; - - p_in = in_buf; - while (*p != '\0') - { - /* parsing the Color Map block */ - if (*p == '\r') - { - p++; - continue; - } - if (*p == '\n') - { - *p_in = '\0'; - - red = 0; - green = 0; - blue = 0; - no_data = 0; - percent = 0; - color_name = 0; - error = 0; - - if (*in_buf == '#') - { - /* skipping a comment line */ - p_in = in_buf; - continue; - } - - i_tk = 0; - saveptr = NULL; - while (1) - { - /* breaking the string into separate tokens */ - token = string_tokenizer (in_buf, ": \t", &saveptr); - if (token == NULL) - break; - - if (i_tk == 0) - { - if (is_no_data_token (token)) - { - no_data = 1; - i_tk++; - continue; - } - if (is_percent_token (token, &perc_value)) - { - percent = 1; - i_tk++; - continue; - } - } - else - { - color_name = - is_color_name_token (token, &red, &green, - &blue); - if (color_name) - { - i_tk++; - continue; - } - } - - if (!token_to_double (token, &value)) - error = 1; - else - { - switch (i_tk) - { - case 0: - threshold = value; - break; - case 1: - if (value >= 0.0 && value <= 255.0) - red = (unsigned char) value; - else - error = 1; - break; - case 2: - if (value >= 0.0 && value <= 255.0) - green = (unsigned char) value; - else - error = 1; - break; - case 3: - if (value >= 0.0 && value <= 255.0) - blue = (unsigned char) value; - else - error = 1; - break; - default: - error = 1; - break; - }; - } - - i_tk++; - } - - if (error) - { - ret = GGRAPH_ERROR; - goto stop; - } - else if (no_data) - { - rule->no_data_red = red; - rule->no_data_green = green; - rule->no_data_blue = blue; - } - else if (percent) - { - if (!add_percent_to_color_rule - (rule, perc_value, red, green, blue)) - { - ret = GGRAPH_INSUFFICIENT_MEMORY; - goto stop; - } - } - else - { - if (!add_interval_to_color_rule - (rule, threshold, red, green, blue)) - { - ret = GGRAPH_INSUFFICIENT_MEMORY; - goto stop; - } - } - - p_in = in_buf; - p++; - continue; - } - *p_in++ = *p++; - } - *color_rule = rule; - return GGRAPH_OK; - - stop: - gg_color_rule_destroy (rule); - return ret; -} - -GGRAPH_DECLARE int -gGraphColorRuleFromFile (const char *path, const void **color_rule) -{ -/* trying to load a Color Rule from a GRASS-like file */ - FILE *in = NULL; - int c; - char *buf; - char *p; - int ret; - const void *handle; - - *color_rule = NULL; - buf = malloc (1024 * 1024); - if (!buf) - return GGRAPH_INSUFFICIENT_MEMORY; - - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - - p = buf; - while ((c = getc (in)) != EOF) - { - /* loading the Color Rule file */ - *p++ = c; - } - *p = '\0'; - fclose (in); - - ret = gGraphColorRuleFromMemBuf (buf, &handle); - free (buf); - if (ret == GGRAPH_OK) - *color_rule = handle; - return ret; -} - -GGRAPH_DECLARE void -gGraphDestroyColorRule (const void *ptr) -{ -/* destroyng a Color Rule object */ - gGraphColorRulePtr rule = (gGraphColorRulePtr) ptr; - - if (rule == NULL) - return; - if (rule->signature == GG_COLOR_RULE_MAGIC_SIGNATURE) - { - gg_color_rule_destroy (rule); - return; - } -} - -GGRAPH_DECLARE int -gGraphIsColorRuleRelative (const void *ptr, int *relative) -{ -/* checking if this Color Rule is a Relative one */ - gGraphColorRulePtr rule = (gGraphColorRulePtr) ptr; - - if (rule == NULL) - return GGRAPH_INVALID_COLOR_RULE; - if (rule->signature != GG_COLOR_RULE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_COLOR_RULE; - - if (rule->needs_range) - *relative = GGRAPH_TRUE; - else - *relative = GGRAPH_FALSE; - return GGRAPH_OK; -} - -static gGraphColorMapEntryPtr -alloc_color_map_entry (double min, double max, unsigned char red, - unsigned char green, unsigned char blue) -{ -/* allocates and initializes a Color Map Entry object */ - gGraphColorMapEntryPtr p = malloc (sizeof (gGraphColorMapEntry)); - if (!p) - return NULL; - p->min = min; - p->max = max; - p->red = red; - p->green = green; - p->blue = blue; - p->next = NULL; - return p; -} - -static gGraphColorMapEntryPtr -add_entry_to_color_map (gGraphColorMapPtr ptr, double min, - double max, unsigned char red, unsigned char green, - unsigned char blue) -{ -/* adding an Entry to a Color Map object */ - gGraphColorMapEntryPtr entry; - if (!ptr) - return NULL; - - if (ptr->last) - { - entry = ptr->last; - if (entry->red == red && entry->green == green && entry->blue == blue) - { - /* extending the current range */ - if (entry->min > min) - entry->min = min; - if (entry->max < max) - entry->max = max; - return entry; - } - } - - entry = alloc_color_map_entry (min, max, red, green, blue); - if (!entry) - return NULL; - if (ptr->first == NULL) - ptr->first = entry; - if (ptr->last != NULL) - ptr->last->next = entry; - ptr->last = entry; - return entry; -} - -static int -resolve_interval (gGraphColorMapPtr ptr, double min, double max, - unsigned char min_red, unsigned char min_green, - unsigned char min_blue, unsigned char max_red, - unsigned char max_green, unsigned char max_blue) -{ -/* resolving a color gradient */ - double range = max - min; - double red_range; - double green_range; - double blue_range; - double tik = range / 256.0; - double red_tik; - double green_tik; - double blue_tik; - int reverse_red; - int reverse_green; - int reverse_blue; - int i; - - if (max_red >= min_red) - { - red_range = max_red - min_red; - reverse_red = 0; - } - else - { - red_range = min_red - max_red; - reverse_red = 1; - } - if (max_green >= min_green) - { - green_range = max_green - min_green; - reverse_green = 0; - } - else - { - green_range = min_green - max_green; - reverse_green = 1; - } - if (max_blue >= min_blue) - { - blue_range = max_blue - min_blue; - reverse_blue = 0; - } - else - { - blue_range = min_blue - max_blue; - reverse_blue = 1; - } - red_tik = red_range / 256.0; - green_tik = green_range / 256.0; - blue_tik = blue_range / 256.0; - - for (i = 0; i < 256; i++) - { - /* generating range intervals */ - double imin = min + (tik * (double) i); - double imax = imin + tik; - double red; - double green; - double blue; - if (reverse_red) - red = (double) min_red - (red_tik * (double) i); - else - red = (double) min_red + (red_tik * (double) i); - if (reverse_green) - green = (double) min_green - (green_tik * (double) i); - else - green = (double) min_green + (green_tik * (double) i); - if (reverse_blue) - blue = (double) min_blue - (blue_tik * (double) i); - else - blue = (double) min_blue + (blue_tik * (double) i); - if (i == 255) - { - imax = max; - red = max_red; - green = max_green; - blue = max_blue; - } - if (red < 0.0) - red = 0.0; - if (red > 255.0) - red = 255.0; - if (green < 0.0) - green = 0.0; - if (green > 255.0) - green = 255.0; - if (blue < 0.0) - blue = 0.0; - if (blue > 255.0) - blue = 255.0; - if (add_entry_to_color_map (ptr, imin, imax, (unsigned char) red, - (unsigned char) green, - (unsigned char) blue) == NULL) - return GGRAPH_ERROR; - } - return GGRAPH_OK; -} - -static void -color_map_prepare (gGraphColorMapPtr map) -{ -/* preparing the sorted array for Color Entries */ - int ind; - gGraphColorMapEntryPtr entry; - if (map->array) - free (map->array); - map->array = NULL; - - map->num_entries = 0; - entry = map->first; - while (entry) - { - /* counting how many Entries are there */ - map->num_entries += 1; - entry = entry->next; - } - if (map->num_entries <= 0) - return; - - map->array = malloc (sizeof (gGraphColorMapEntryPtr) * map->num_entries); - ind = 0; - entry = map->first; - while (entry) - { - /* feeding the pointers array */ - *(map->array + ind) = entry; - ind++; - entry = entry->next; - } -/* sorting the array */ - qsort (map->array, map->num_entries, sizeof (gGraphColorMapEntryPtr), - cmp_color_rules1); -} - -GGRAPH_DECLARE int -gGraphCreateColorMapAbsolute (const void *color_rule, - unsigned char background_red, - unsigned char background_green, - unsigned char background_blue, - const void **color_map) -{ -/* attempting to create an ABSOLUTE Color Map */ - double last_value = DBL_MAX; - unsigned char last_red; - unsigned char last_green; - unsigned char last_blue; - gGraphColorMapPtr map; - gGraphColorRuleItemPtr item; - gGraphColorRulePtr rule = (gGraphColorRulePtr) color_rule; - - if (rule == NULL) - return GGRAPH_INVALID_COLOR_RULE; - if (rule->signature != GG_COLOR_RULE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_COLOR_RULE; - if (rule->needs_range) - return GGRAPH_INVALID_COLOR_RULE; - - *color_map = NULL; - map = gg_color_map_create (); - if (!map) - return GGRAPH_INSUFFICIENT_MEMORY; - map->no_data_red = background_red; - map->no_data_green = background_green; - map->no_data_blue = background_blue; - map->not_found_red = background_red; - map->not_found_green = background_green; - map->not_found_blue = background_blue; - - item = rule->first; - while (item) - { - /* expanding intervals by color */ - if (last_value != DBL_MAX && last_value != item->value) - { - if (resolve_interval - (map, last_value, item->value, last_red, last_green, - last_blue, item->red, item->green, - item->blue) != GGRAPH_OK) - goto error; - } - last_value = item->value; - last_red = item->red; - last_green = item->green; - last_blue = item->blue; - item = item->next; - } - color_map_prepare (map); - if (map->array == NULL) - goto error; - *color_map = map; - return GGRAPH_OK; - - error: - gg_color_map_destroy (map); - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphCreateColorMapRelative (const void *color_rule, double min, double max, - unsigned char background_red, - unsigned char background_green, - unsigned char background_blue, - const void **color_map) -{ -/* attempting to create a RELATIVE Color Map */ - double last_value = DBL_MAX; - unsigned char last_red; - unsigned char last_green; - unsigned char last_blue; - double percent; - gGraphColorMapPtr map; - gGraphColorRuleItemPtr item; - gGraphColorRulePtr rule = (gGraphColorRulePtr) color_rule; - - if (rule == NULL) - return GGRAPH_INVALID_COLOR_RULE; - if (rule->signature != GG_COLOR_RULE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_COLOR_RULE; - if (rule->needs_range == 0) - return GGRAPH_INVALID_COLOR_RULE; - - *color_map = NULL; - map = gg_color_map_create (); - if (!map) - return GGRAPH_INSUFFICIENT_MEMORY; - map->no_data_red = background_red; - map->no_data_green = background_green; - map->no_data_blue = background_blue; - map->not_found_red = background_red; - map->not_found_green = background_green; - map->not_found_blue = background_blue; - - percent = (max - min) / 100.0; - item = rule->first; - while (item) - { - /* tranforming percent values into absolute ones */ - if (item->is_percent) - item->value = min + (percent * item->percent_value); - item = item->next; - } - - item = rule->first; - while (item) - { - /* expanding intervals by color */ - if (last_value != DBL_MAX && last_value != item->value) - { - if (resolve_interval - (map, last_value, item->value, last_red, last_green, - last_blue, item->red, item->green, - item->blue) != GGRAPH_OK) - goto error; - } - last_value = item->value; - last_red = item->red; - last_green = item->green; - last_blue = item->blue; - item = item->next; - } - color_map_prepare (map); - if (map->array == NULL) - goto error; - *color_map = map; - return GGRAPH_OK; - - error: - gg_color_map_destroy (map); - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE void -gGraphDestroyColorMap (const void *ptr) -{ -/* destroyng a Color Map object */ - gGraphColorMapPtr map = (gGraphColorMapPtr) ptr; - - if (map == NULL) - return; - if (map->signature == GG_COLOR_MAP_MAGIC_SIGNATURE) - gg_color_map_destroy (map); -} - -GGRAPH_PRIVATE void -match_color (gGraphColorMapPtr map, double value, double no_data, - unsigned char *red, unsigned char *green, unsigned char *blue) -{ -/* identifying a color corresponding to a value */ - gGraphColorMapEntryPtr *ret; - gGraphColorMapEntryPtr p; - gGraphColorMapEntry val; - val.min = value; - val.max = value; - if (value == no_data) - { - /* NoData */ - *red = map->no_data_red; - *green = map->no_data_green; - *blue = map->no_data_blue; - return; - } -/* dicotomic search */ - ret = - (gGraphColorMapEntryPtr *) bsearch (&val, map->array, - map->num_entries, - sizeof (gGraphColorMapEntryPtr), - cmp_color_rules2); - if (!ret) - { - /* not found */ - *red = map->not_found_red; - *green = map->not_found_green; - *blue = map->not_found_blue; - return; - } -/* ok, match found */ - p = *ret; - *red = p->red; - *green = p->green; - *blue = p->blue; -} - -static void -do_grid_render (struct thread_grid_render *params) -{ -/* actual function: rendering a GRID pixels block */ - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char *p_out; - short *p_int16; - unsigned short *p_uint16; - int *p_int32; - unsigned int *p_uint32; - float *p_float; - double *p_double; - double value; - int x; - - if (params->sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (params->bits_per_sample == 32) - { - p_float = (float *) (params->pixels); - p_float += params->base; - } - else - { - p_double = (double *) (params->pixels); - p_double += params->base; - } - } - if (params->sample_format == GGRAPH_SAMPLE_INT) - { - if (params->bits_per_sample == 32) - { - p_int32 = (int *) (params->pixels); - p_int32 += params->base; - } - else - { - p_int16 = (short *) (params->pixels); - p_int16 += params->base; - } - } - if (params->sample_format == GGRAPH_SAMPLE_UINT) - { - if (params->bits_per_sample == 32) - { - p_uint32 = (unsigned int *) (params->pixels); - p_uint32 += params->base; - } - else - { - p_uint16 = (unsigned short *) (params->pixels); - p_uint16 += params->base; - } - } - p_out = params->p_rgb + (params->base * 3); - for (x = 0; x < params->num_pixels; x++) - { - if (params->sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (params->bits_per_sample == 32) - value = *p_float++; - else - value = *p_double++; - } - if (params->sample_format == GGRAPH_SAMPLE_INT) - { - if (params->bits_per_sample == 32) - value = *p_int32++; - else - value = *p_int16++; - } - if (params->sample_format == GGRAPH_SAMPLE_UINT) - { - if (params->bits_per_sample == 32) - value = *p_uint32++; - else - value = *p_uint16++; - } - match_color (params->color_map, value, params->no_data_value, &red, - &green, &blue); - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } -} - -#ifdef _WIN32 -static DWORD WINAPI -#else -static void * -#endif -grid_render (void *arg) -{ -/* threaded function: rendering a GRID pixels block */ - struct thread_grid_render *params = (struct thread_grid_render *) arg; - do_grid_render (params); -#ifdef _WIN32 - return 0; -#else - pthread_exit (NULL); -#endif -} - -GGRAPH_DECLARE int -gGraphStripImageRenderGridPixels (const void *in_ptr, const void *out_ptr, - const void *map, int num_threads) -{ -/* rendering GRID pixels between two images */ - int y; - short *p_int16; - unsigned short *p_uint16; - int *p_int32; - unsigned int *p_uint32; - float *p_float; - double *p_double; - void *p_void; - unsigned char *p_out; - int nt; - struct thread_grid_render threads[GG_MAX_THREADS]; -#ifdef _WIN32 - HANDLE thread_handles[GG_MAX_THREADS]; - DWORD dwThreadIdArray[GG_MAX_THREADS]; -#else - pthread_t thread_ids[GG_MAX_THREADS]; -#endif - gGraphStripImagePtr img_in = (gGraphStripImagePtr) in_ptr; - gGraphStripImagePtr img_out = (gGraphStripImagePtr) out_ptr; - gGraphColorMapPtr color_map = (gGraphColorMapPtr) map; - - if (img_in == NULL || img_out == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_in->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_out->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (map == NULL) - return GGRAPH_INVALID_COLOR_MAP; - if (color_map->signature != GG_COLOR_MAP_MAGIC_SIGNATURE) - return GGRAPH_INVALID_COLOR_MAP; - - if (num_threads > GG_MAX_THREADS) - num_threads = GG_MAX_THREADS; - if (num_threads < 1) - num_threads = 1; - -/* checking if the strip buffers does actually have the same size */ - if (img_in->width == img_out->width - && img_in->rows_per_block == img_out->rows_per_block) - ; - else - return GGRAPH_ERROR; - if (img_in->pixel_format != GG_PIXEL_GRID) - return GGRAPH_INVALID_IMAGE; - if (img_out->pixel_format != GG_PIXEL_RGB) - return GGRAPH_INVALID_IMAGE; - - for (y = 0; y < img_in->current_available_rows; y++) - { - if (img_in->sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (img_in->bits_per_sample == 32) - { - p_float = (float *) (img_in->pixels); - p_float += y * img_in->width; - p_void = p_float; - } - else - { - p_double = (double *) (img_in->pixels); - p_double += y * img_in->width; - p_void = p_double; - } - } - if (img_in->sample_format == GGRAPH_SAMPLE_INT) - { - if (img_in->bits_per_sample == 32) - { - p_int32 = (int *) (img_in->pixels); - p_int32 += y * img_in->width; - p_void = p_int32; - } - else - { - p_int16 = (short *) (img_in->pixels); - p_int16 += y * img_in->width; - p_void = p_int16; - } - } - if (img_in->sample_format == GGRAPH_SAMPLE_UINT) - { - if (img_in->bits_per_sample == 32) - { - p_uint32 = (unsigned int *) (img_in->pixels); - p_uint32 += y * img_in->width; - p_void = p_uint32; - } - else - { - p_uint16 = (unsigned short *) (img_in->pixels); - p_uint16 += y * img_in->width; - p_void = p_uint16; - } - } - p_out = img_out->pixels + (y * img_out->scanline_width); - - if (num_threads < 2) - { - /* not using multithreading */ - threads[0].color_map = color_map; - threads[0].no_data_value = img_in->no_data_value; - threads[0].sample_format = img_in->sample_format; - threads[0].bits_per_sample = img_in->bits_per_sample; - threads[0].pixels = p_void; - threads[0].base = 0; - threads[0].num_pixels = img_in->width; - threads[0].p_rgb = p_out; - do_grid_render (&(threads[0])); - } - else - { - /* using concurrent threads */ - int base = 0; - int pixels_per_thread = img_in->width / num_threads; - if ((pixels_per_thread * num_threads) < img_in->width) - pixels_per_thread++; - for (nt = 0; nt < num_threads; nt++) - { - int num_pixels; - threads[nt].color_map = color_map; - threads[nt].no_data_value = img_in->no_data_value; - threads[nt].sample_format = img_in->sample_format; - threads[nt].bits_per_sample = img_in->bits_per_sample; - threads[nt].pixels = p_void; - threads[nt].base = base; - num_pixels = pixels_per_thread; - if (base + pixels_per_thread > img_in->width) - num_pixels = img_in->width - base; - threads[nt].num_pixels = num_pixels; - threads[nt].p_rgb = p_out; - base += pixels_per_thread; - if (num_pixels > 0) - { -#ifdef _WIN32 - thread_handles[nt] = - CreateThread (NULL, 0, grid_render, - &(threads[nt]), 0, - &dwThreadIdArray[nt]); -#else - pthread_create (&(thread_ids[nt]), NULL, - grid_render, &(threads[nt])); -#endif - } - } - /* waiting until any concurrent thread terminates */ -#ifdef _WIN32 - WaitForMultipleObjects (num_threads, thread_handles, TRUE, - INFINITE); -#else - for (nt = 0; nt < num_threads; nt++) - pthread_join (thread_ids[nt], NULL); -#endif - } - } - img_out->current_available_rows = img_in->current_available_rows; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphGetStripImageMinMaxValue (const void *in_ptr, double *min_value, - double *max_value, double no_data_value) -{ -/* determining MinMax values */ - int x; - int y; - short *p_int16; - unsigned short *p_uint16; - int *p_int32; - unsigned int *p_uint32; - float *p_float; - double *p_double; - double value; - double min = DBL_MAX; - double max = 0.0 - DBL_MAX; - int save_row; - gGraphStripImagePtr img_in = (gGraphStripImagePtr) in_ptr; - - *min_value = DBL_MAX; - *max_value = 0.0 - DBL_MAX; - if (img_in == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_in->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_in->pixel_format != GG_PIXEL_GRID) - return GGRAPH_INVALID_IMAGE; - - save_row = img_in->next_row; - img_in->next_row = 0; - while (1) - { - /* reading strips from input */ - if (gGraphStripImageEOF (img_in) == GGRAPH_OK) - break; - if (gGraphReadNextStrip (img_in, NULL) != GGRAPH_OK) - goto error; - for (y = 0; y < img_in->current_available_rows; y++) - { - if (img_in->sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (img_in->bits_per_sample == 32) - { - p_float = (float *) (img_in->pixels); - p_float += y * img_in->width; - } - else - { - p_double = (double *) (img_in->pixels); - p_double += y * img_in->width; - } - } - if (img_in->sample_format == GGRAPH_SAMPLE_INT) - { - if (img_in->bits_per_sample == 32) - { - p_int32 = (int *) (img_in->pixels); - p_int32 += y * img_in->width; - } - else - { - p_int16 = (short *) (img_in->pixels); - p_int16 += y * img_in->width; - } - } - if (img_in->sample_format == GGRAPH_SAMPLE_UINT) - { - if (img_in->bits_per_sample == 32) - { - p_uint32 = (unsigned int *) (img_in->pixels); - p_uint32 += y * img_in->width; - } - else - { - p_uint16 = (unsigned short *) (img_in->pixels); - p_uint16 += y * img_in->width; - } - } - for (x = 0; x < img_in->width; x++) - { - if (img_in->sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (img_in->bits_per_sample == 32) - value = *p_float++; - else - value = *p_double++; - } - if (img_in->sample_format == GGRAPH_SAMPLE_INT) - { - if (img_in->bits_per_sample == 32) - value = *p_int32++; - else - value = *p_int16++; - } - if (img_in->sample_format == GGRAPH_SAMPLE_UINT) - { - if (img_in->bits_per_sample == 32) - value = *p_uint32++; - else - value = *p_uint16++; - } - if (value != no_data_value) - { - if (value < min) - min = value; - if (value > max) - max = value; - } - } - } - } - img_in->next_row = save_row; - *min_value = min; - *max_value = max; - return GGRAPH_OK; - - error: - img_in->next_row = save_row; - return GGRAPH_ERROR; -} - -GGRAPH_PRIVATE gGraphShadedReliefTripleRowPtr -gg_shaded_relief_triple_row_create (void) -{ -/* allocating an empty Shaded Relief Triple Row object */ - gGraphShadedReliefTripleRowPtr ptr = - malloc (sizeof (gGraphShadedReliefTripleRow)); - if (!ptr) - return NULL; - ptr->signature = GG_SHADED_RELIEF_3ROWS_MAGIC_SIGNATURE; - ptr->width = -1; - ptr->in_row1 = NULL; - ptr->in_row2 = NULL; - ptr->in_row3 = NULL; - ptr->current_row = NULL; - ptr->out_rgb = NULL; - ptr->color_map = NULL; - ptr->mono_red = 0; - ptr->mono_green = 0; - ptr->mono_blue = 0; - ptr->z_factor = DBL_MAX; - ptr->scale_factor = DBL_MAX; - ptr->azimuth = DBL_MAX; - ptr->altitude = DBL_MAX; - ptr->no_data_value = DBL_MAX; - ptr->no_red = 0; - ptr->no_green = 0; - ptr->no_blue = 0; - return ptr; -} - -GGRAPH_PRIVATE void -gg_shaded_relief_triple_row_destroy (gGraphShadedReliefTripleRowPtr ptr) -{ -/* destroying a Shaded Relief Triple Row object */ - if (!ptr) - return; - if (ptr->in_row1) - free (ptr->in_row1); - if (ptr->in_row2) - free (ptr->in_row2); - if (ptr->in_row3) - free (ptr->in_row3); - if (ptr->out_rgb) - free (ptr->out_rgb); - free (ptr); -} - -GGRAPH_DECLARE int -gGraphCreateShadedReliefTripleRow (int width, unsigned char background_red, - unsigned char background_green, - unsigned char background_blue, - double no_data, const void *color_map_handle, - unsigned char mono_red, - unsigned char mono_green, - unsigned char mono_blue, double z_factor, - double scale_factor, double azimuth, - double altitude, - const void **triple_row_handle) -{ -/* creating a Shaded Relief Triple Row object */ - gGraphColorMapPtr map = (gGraphColorMapPtr) color_map_handle; - gGraphShadedReliefTripleRowPtr triple_row = - gg_shaded_relief_triple_row_create (); - *triple_row_handle = NULL; - if (!triple_row) - return GGRAPH_INSUFFICIENT_MEMORY; - - if (map != NULL) - { - if (map->signature != GG_COLOR_MAP_MAGIC_SIGNATURE) - { - gg_shaded_relief_triple_row_destroy (triple_row); - return GGRAPH_INVALID_COLOR_MAP; - } - } - -/* allocating the INPUT triple row buffer */ - triple_row->in_row1 = malloc (sizeof (float) * width); - if (triple_row->in_row1 == NULL) - goto error; - triple_row->in_row2 = malloc (sizeof (float) * width); - if (triple_row->in_row2 == NULL) - goto error; - triple_row->in_row3 = malloc (sizeof (float) * width); - if (triple_row->in_row3 == NULL) - goto error; -/* allocating the OUTPUT RGB buffer */ - triple_row->out_rgb = malloc (3 * (width - 2)); - if (triple_row->out_rgb == NULL) - goto error; - - triple_row->width = width; - triple_row->color_map = map; - triple_row->no_red = background_red; - triple_row->no_green = background_green; - triple_row->no_blue = background_blue; - triple_row->mono_red = mono_red; - triple_row->mono_green = mono_green; - triple_row->mono_blue = mono_blue; - triple_row->z_factor = z_factor; - triple_row->scale_factor = scale_factor; - triple_row->azimuth = azimuth; - triple_row->altitude = altitude; - triple_row->no_data_value = no_data; - *triple_row_handle = triple_row; - return GGRAPH_OK; - - error: - gg_shaded_relief_triple_row_destroy (triple_row); - return GGRAPH_INSUFFICIENT_MEMORY; -} - -GGRAPH_DECLARE void -gGraphDestroyShadedReliefTripleRow (const void *ptr) -{ -/* destroyng a Shaded Relief Triple Row object */ - gGraphShadedReliefTripleRowPtr triple_row = - (gGraphShadedReliefTripleRowPtr) ptr; - - if (triple_row == NULL) - return; - if (triple_row->signature == GG_SHADED_RELIEF_3ROWS_MAGIC_SIGNATURE) - gg_shaded_relief_triple_row_destroy (triple_row); -} - -static void -shaded_relief_triple_rotate (gGraphShadedReliefTripleRowPtr p) -{ -/* rotating the Shaded Relief Triple Row scanlines */ - int x; - float *p_out; - if (p->current_row == NULL) - { - p->current_row = p->in_row1; - goto no_data_fill; - } - if (p->current_row == p->in_row1) - { - p->current_row = p->in_row2; - goto no_data_fill; - } - if (p->current_row == p->in_row2) - { - p->current_row = p->in_row3; - goto no_data_fill; - } - p->current_row = p->in_row1; - p->in_row1 = p->in_row2; - p->in_row2 = p->in_row3; - p->in_row3 = p->current_row; - no_data_fill: - p_out = p->current_row; - for (x = 0; x < p->width; x++) - *p_out++ = p->no_data_value; -} - -GGRAPH_DECLARE int -gGraphStripImageGetShadedReliefScanline (const void *in_img_handle, - int row_index, - const void *triple_row_handle) -{ -/* inserting a new scanline into the Shaded Relief Triple Row object */ - int x; - short *p_int16; - unsigned short *p_uint16; - int *p_int32; - unsigned int *p_uint32; - float *p_float; - double *p_double; - float pixel; - float *p_out; - gGraphShadedReliefTripleRowPtr triple_row = - (gGraphShadedReliefTripleRowPtr) triple_row_handle; - gGraphStripImagePtr img = (gGraphStripImagePtr) in_img_handle; - - if (triple_row == NULL) - return GGRAPH_INVALID_SHADED_RELIEF_3ROWS; - if (triple_row->signature != GG_SHADED_RELIEF_3ROWS_MAGIC_SIGNATURE) - return GGRAPH_INVALID_SHADED_RELIEF_3ROWS; - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img->pixel_format != GG_PIXEL_GRID) - return GGRAPH_INVALID_IMAGE; - if (img->width != triple_row->width) - return GGRAPH_INVALID_IMAGE; - if (row_index >= 0 && row_index < img->rows_per_block) - ; - else - return GGRAPH_ERROR; - - shaded_relief_triple_rotate (triple_row); - - if (img->sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (img->bits_per_sample == 32) - { - p_float = (float *) (img->pixels); - p_float += row_index * img->width; - } - else - { - p_double = (double *) (img->pixels); - p_double += row_index * img->width; - } - } - if (img->sample_format == GGRAPH_SAMPLE_INT) - { - if (img->bits_per_sample == 32) - { - p_int32 = (int *) (img->pixels); - p_int32 += row_index * img->width; - } - else - { - p_int16 = (short *) (img->pixels); - p_int16 += row_index * img->width; - } - } - if (img->sample_format == GGRAPH_SAMPLE_UINT) - { - if (img->bits_per_sample == 32) - { - p_uint32 = (unsigned int *) (img->pixels); - p_uint32 += row_index * img->width; - } - else - { - p_uint16 = (unsigned short *) (img->pixels); - p_uint16 += row_index * img->width; - } - } - p_out = triple_row->current_row; - for (x = 0; x < img->width; x++) - { - if (img->sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (img->bits_per_sample == 32) - pixel = *p_float++; - else - pixel = *p_double++; - } - if (img->sample_format == GGRAPH_SAMPLE_INT) - { - if (img->bits_per_sample == 32) - pixel = *p_int32++; - else - pixel = *p_int16++; - } - if (img->sample_format == GGRAPH_SAMPLE_UINT) - { - if (img->bits_per_sample == 32) - pixel = *p_uint32++; - else - pixel = *p_uint16++; - } - *p_out++ = pixel; - } - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphStripImageSetShadedReliefScanline (const void *triple_row_handle, - const void *out_img_handle, - int row_index) -{ -/* copying out a Shaded Relief processed scanline */ - int x; - unsigned char *p_in; - unsigned char *p_out; - gGraphShadedReliefTripleRowPtr triple_row = - (gGraphShadedReliefTripleRowPtr) triple_row_handle; - gGraphStripImagePtr img = (gGraphStripImagePtr) out_img_handle; - - if (triple_row == NULL) - return GGRAPH_INVALID_SHADED_RELIEF_3ROWS; - if (triple_row->signature != GG_SHADED_RELIEF_3ROWS_MAGIC_SIGNATURE) - return GGRAPH_INVALID_SHADED_RELIEF_3ROWS; - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img->pixel_format != GG_PIXEL_RGB) - return GGRAPH_INVALID_IMAGE; - if (img->width != triple_row->width - 2) - return GGRAPH_INVALID_IMAGE; - if (row_index >= 0 && row_index < img->rows_per_block) - ; - else - return GGRAPH_ERROR; - - p_in = triple_row->out_rgb; - p_out = img->pixels + (row_index * img->scanline_width); - for (x = 0; x < img->width; x++) - { - *p_out++ = *p_in++; /* RED */ - *p_out++ = *p_in++; /* GREEN */ - *p_out++ = *p_in++; /* BLUE */ - } - img->current_available_rows = row_index + 1; - return GGRAPH_OK; -} - -static void -do_shaded_relief_render (struct thread_shaded_relief_render *params) -{ -/* performing actual rendering (1 single pixel) */ - int j; - int n; - double x; - double y; - double aspect; - double slope; - double cang; - int gray; - float afWin[9]; - double red; - double green; - double blue; - double alpha; - int bContainsNull; - unsigned char *p_out; - unsigned char r; - unsigned char g; - unsigned char b; - gGraphShadedReliefTripleRowPtr triple_row; - - p_out = params->p_rgb + (params->base * 3); - triple_row = params->triple_row; - -/* -* Shaded Relief rendering -* -***************************************************************** -* -* DISCLAIMER: the following code is largely based upon Even Rouault's -* gdaldem.c -* wich was originally released on public domain for GRASS, and is -* now included into GDAL (X/MIT license) -* -*/ - - -/* -/ Move a 3x3 pafWindow over each cell -/ (where the cell in question is #4) -/ -/ 0 1 2 -/ 3 4 5 -/ 6 7 8 -*/ - for (j = 0; j < params->num_pixels; j++) - { - /* Exclude the edges */ - int k = j + params->base; - if (j == 0 || j == params->num_pixels - 1) - continue; - - afWin[0] = triple_row->in_row1[k - 1]; - afWin[1] = triple_row->in_row1[k]; - afWin[2] = triple_row->in_row1[k + 1]; - afWin[3] = triple_row->in_row2[k - 1]; - afWin[4] = triple_row->in_row2[k]; - afWin[5] = triple_row->in_row2[k + 1]; - afWin[6] = triple_row->in_row3[k - 1]; - afWin[7] = triple_row->in_row3[k]; - afWin[8] = triple_row->in_row3[k + 1]; - - bContainsNull = 0; - for (n = 0; n <= 8; n++) - { - if (afWin[n] == triple_row->no_data_value) - { - bContainsNull = 1; - break; - } - } - - if (bContainsNull) - { - /* We have nulls so write nullValue and move on */ - r = triple_row->no_red; - g = triple_row->no_green; - b = triple_row->no_blue; - } - else - { - /* We have a valid 3x3 window. */ - - /* --------------------------------------- - * Compute Hillshade - */ - - /* First Slope ... */ - x = triple_row->z_factor * - ((afWin[0] + afWin[3] + afWin[3] + afWin[6]) - - (afWin[2] + afWin[5] + afWin[5] + - afWin[8])) / (8.0 * triple_row->scale_factor); - - y = triple_row->z_factor * - ((afWin[6] + afWin[7] + afWin[7] + afWin[8]) - - (afWin[0] + afWin[1] + afWin[1] + - afWin[2])) / (8.0 * triple_row->scale_factor); - - slope = M_PI / 2 - atan (sqrt (x * x + y * y)); - - /* ... then aspect... */ - aspect = atan2 (x, y); - - /* ... then the shade value */ - cang = sin (params->altRadians) * sin (slope) + - cos (params->altRadians) * cos (slope) * - cos (params->azRadians - M_PI / 2 - aspect); - - if (cang <= 0.0) - cang = 1.0; - else - cang = 1.0 + (254.0 * cang); - - if (triple_row->color_map != NULL) - { - /* Color + Shaded Relief rendering */ - match_color (triple_row->color_map, afWin[4], - triple_row->no_data_value, &r, &g, &b); - alpha = cang / 255.0; - red = (double) r *alpha; - green = (double) g *alpha; - blue = (double) b *alpha; - if (red < 0.0) - red = 0.0; - if (green < 0.0) - green = 0.0; - if (blue < 0.0) - blue = 0.0; - if (red > 255.0) - red = 255.0; - if (green > 255.0) - green = 255.0; - if (blue > 255.0) - blue = 255.0; - r = (unsigned char) red; - g = (unsigned char) green; - b = (unsigned) blue; - } - else - { - if ((triple_row->mono_red == 0 - && triple_row->mono_green == 0 - && triple_row->mono_blue == 0) - || (triple_row->mono_red == 255 - && triple_row->mono_green == 255 - && triple_row->mono_blue == 255)) - { - /* plain gray-scale */ - gray = (int) cang; - r = (unsigned char) gray; - g = (unsigned char) gray; - b = (unsigned) gray; - } - else - { - /* using the monochrome base color + ALPHA */ - alpha = cang / 255.0; - red = (double) (triple_row->mono_red) * alpha; - green = (double) (triple_row->mono_green) * alpha; - blue = (double) (triple_row->mono_blue) * alpha; - if (red < 0.0) - red = 0.0; - if (green < 0.0) - green = 0.0; - if (blue < 0.0) - blue = 0.0; - if (red > 255.0) - red = 255.0; - if (green > 255.0) - green = 255.0; - if (blue > 255.0) - blue = 255.0; - r = (unsigned char) red; - g = (unsigned char) green; - b = (unsigned) blue; - } - } - } - *p_out++ = r; - *p_out++ = g; - *p_out++ = b; - } -} - -#ifdef _WIN32 -static DWORD WINAPI -#else -static void * -#endif -shaded_relief_render (void *arg) -{ -/* threaded function: rendering a Shaded Relief pixel */ - struct thread_shaded_relief_render *params = - (struct thread_shaded_relief_render *) arg; - do_shaded_relief_render (params); -#ifdef _WIN32 - return 0; -#else - pthread_exit (NULL); -#endif -} - -GGRAPH_DECLARE int -gGraphShadedReliefRenderPixels (const void *triple_row_handle, int num_threads, - int *out_row_ready) -{ -/* rendering a Shaded Relief scanline */ - double degreesToRadians; - unsigned char *p_out; - int nt; - struct thread_shaded_relief_render threads[GG_MAX_THREADS]; -#ifdef _WIN32 - HANDLE thread_handles[GG_MAX_THREADS]; - DWORD dwThreadIdArray[GG_MAX_THREADS]; -#else - pthread_t thread_ids[GG_MAX_THREADS]; -#endif - gGraphShadedReliefTripleRowPtr triple_row = - (gGraphShadedReliefTripleRowPtr) triple_row_handle; - - if (triple_row == NULL) - return GGRAPH_INVALID_SHADED_RELIEF_3ROWS; - if (triple_row->signature != GG_SHADED_RELIEF_3ROWS_MAGIC_SIGNATURE) - return GGRAPH_INVALID_SHADED_RELIEF_3ROWS; - - if (triple_row->current_row != triple_row->in_row3) - { - /* not yet ready ( < 3 rows into the buffer) */ - *out_row_ready = GGRAPH_FALSE; - return GGRAPH_OK; - } - - if (num_threads > GG_MAX_THREADS) - num_threads = GG_MAX_THREADS; - if (num_threads < 1) - num_threads = 1; - degreesToRadians = M_PI / 180.0; - - p_out = triple_row->out_rgb; - if (num_threads < 2) - { - /* not using multithreading */ - threads[0].triple_row = triple_row; - threads[0].altRadians = triple_row->altitude * degreesToRadians; - threads[0].azRadians = triple_row->azimuth * degreesToRadians; - threads[0].base = 0; - threads[0].num_pixels = triple_row->width; - threads[0].p_rgb = p_out; - do_shaded_relief_render (&(threads[0])); - } - else - { - /* using concurrent threads */ - int base = 0; - int pixels_per_thread = triple_row->width / num_threads; - if ((pixels_per_thread * num_threads) < triple_row->width) - pixels_per_thread++; - for (nt = 0; nt < num_threads; nt++) - { - int num_pixels; - threads[nt].triple_row = triple_row; - threads[nt].altRadians = - triple_row->altitude * degreesToRadians; - threads[nt].azRadians = triple_row->azimuth * degreesToRadians; - if (nt == 0) - threads[nt].base = base; - else - threads[nt].base = base - 1; - num_pixels = pixels_per_thread + 1; - if (base + pixels_per_thread > triple_row->width) - num_pixels = triple_row->width - base; - threads[nt].num_pixels = num_pixels; - threads[nt].p_rgb = p_out; - base += pixels_per_thread; - if (num_pixels > 0) - { -#ifdef _WIN32 - thread_handles[nt] = - CreateThread (NULL, 0, shaded_relief_render, - &(threads[nt]), 0, - &dwThreadIdArray[nt]); -#else - pthread_create (&(thread_ids[nt]), NULL, - shaded_relief_render, &(threads[nt])); -#endif - } - } - /* waiting until any concurrent thread terminates */ -#ifdef _WIN32 - WaitForMultipleObjects (num_threads, thread_handles, TRUE, INFINITE); -#else - for (nt = 0; nt < num_threads; nt++) - pthread_join (thread_ids[nt], NULL); -#endif - } - - *out_row_ready = GGRAPH_TRUE; - return GGRAPH_OK; -} - -static void -landsat_recalibrate (struct thread_landsat_recalibrate *p) -{ -/* recalibrating color */ - double lmin; - double lmax; - double qcalmin; - double qcalmax; - double radiance; - double albedo; - double spectral_irradiance; - double rads; - double recalibrate; - double recalibrate_min; - double recalibrate_max; - double gain; - double sample = p->value; - - switch (p->band) - { - case LANDSAT_RED: - lmin = p->lmin_red; - lmax = p->lmax_red; - qcalmin = p->qcalmin_red; - qcalmax = p->qcalmax_red; - spectral_irradiance = p->spectral_irradiance_red; - if (p->gain_low_red) - gain = p->low_gain_factor_red; - else - gain = p->high_gain_factor_red; - recalibrate_min = p->recalibration_min_red; - recalibrate_max = p->recalibration_max_red; - break; - case LANDSAT_GREEN: - lmin = p->lmin_green; - lmax = p->lmax_green; - qcalmin = p->qcalmin_green; - qcalmax = p->qcalmax_green; - spectral_irradiance = p->spectral_irradiance_green; - if (p->gain_low_green) - gain = p->low_gain_factor_green; - else - gain = p->high_gain_factor_green; - recalibrate_min = p->recalibration_min_green; - recalibrate_max = p->recalibration_max_green; - break; - case LANDSAT_BLUE: - lmin = p->lmin_blue; - lmax = p->lmax_blue; - qcalmin = p->qcalmin_blue; - qcalmax = p->qcalmax_blue; - spectral_irradiance = p->spectral_irradiance_blue; - if (p->gain_low_blue) - gain = p->low_gain_factor_blue; - else - gain = p->high_gain_factor_blue; - recalibrate_min = p->recalibration_min_blue; - recalibrate_max = p->recalibration_max_blue; - break; - case LANDSAT_PANCHRO: - lmin = p->lmin_panchro; - lmax = p->lmax_panchro; - qcalmin = p->qcalmin_panchro; - qcalmax = p->qcalmax_panchro; - spectral_irradiance = p->spectral_irradiance_panchro; - if (p->gain_low_panchro) - gain = p->low_gain_factor_panchro; - else - gain = p->high_gain_factor_panchro; - recalibrate_min = p->recalibration_min_panchro; - recalibrate_max = p->recalibration_max_panchro; - }; - -/* converting Solar Zenith angle into Radians */ - rads = (90.0 - p->sun_elevation) * (M_PI / 180.0); -/* computing RADIANCE value */ - radiance = - ((lmax - lmin) / (qcalmax - qcalmin)) * (sample - qcalmin) + lmin; -/* computing REFLECTANCE aka ALBEDO value */ - albedo = M_PI * radiance * (p->sun_distance * p->sun_distance); - albedo /= spectral_irradiance * cos (rads); -/* normalizing range [1-255] */ - sample = (qcalmax - qcalmin) * albedo * gain; -/* recalibrating (discarding both range extremities) */ - recalibrate = - ((sample - recalibrate_min) * (qcalmax - qcalmin)) / (recalibrate_max - - recalibrate_min); - sample = recalibrate; - if (sample > qcalmax) - sample = qcalmax; - if (sample < qcalmin) - sample = qcalmin; - p->value = (unsigned char) sample; -} - -static void -landsat_rgb (struct thread_landsat_recalibrate *ptr) -{ -/* precessing an RGB Landsat sub-strip */ - int x; - int y; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char *p_red; - unsigned char *p_green; - unsigned char *p_blue; - unsigned char *p_rgb; - struct thread_landsat_recalibrate p; - -/* setting up the recalibrate struct */ - p.lmin_red = ptr->lmin_red; - p.lmax_red = ptr->lmax_red; - p.qcalmin_red = ptr->qcalmin_red; - p.qcalmax_red = ptr->qcalmax_red; - p.gain_low_red = ptr->gain_low_red; - p.spectral_irradiance_red = ptr->spectral_irradiance_red; - p.low_gain_factor_red = ptr->low_gain_factor_red; - p.high_gain_factor_red = ptr->high_gain_factor_red; - p.recalibration_min_red = ptr->recalibration_min_red; - p.recalibration_max_red = ptr->recalibration_max_red; - p.lmin_green = ptr->lmin_green; - p.lmax_green = ptr->lmax_green; - p.qcalmin_green = ptr->qcalmin_green; - p.qcalmax_green = ptr->qcalmax_green; - p.gain_low_green = ptr->gain_low_green; - p.spectral_irradiance_green = ptr->spectral_irradiance_green; - p.low_gain_factor_green = ptr->low_gain_factor_green; - p.high_gain_factor_green = ptr->high_gain_factor_green; - p.recalibration_min_green = ptr->recalibration_min_green; - p.recalibration_max_green = ptr->recalibration_max_green; - p.lmin_blue = ptr->lmin_blue; - p.lmax_blue = ptr->lmax_blue; - p.qcalmin_blue = ptr->qcalmin_blue; - p.qcalmax_blue = ptr->qcalmax_blue; - p.gain_low_blue = ptr->gain_low_blue; - p.spectral_irradiance_blue = ptr->spectral_irradiance_blue; - p.low_gain_factor_blue = ptr->low_gain_factor_blue; - p.high_gain_factor_blue = ptr->high_gain_factor_blue; - p.recalibration_min_blue = ptr->recalibration_min_blue; - p.recalibration_max_blue = ptr->recalibration_max_blue; - p.sun_distance = ptr->sun_distance; - p.sun_elevation = ptr->sun_elevation; - - for (y = ptr->min_row; y < ptr->max_row; y++) - { - p_red = ptr->img_red->pixels + (y * ptr->img_red->scanline_width); - p_green = - ptr->img_green->pixels + (y * ptr->img_green->scanline_width); - p_blue = ptr->img_blue->pixels + (y * ptr->img_blue->scanline_width); - p_rgb = ptr->img_out->pixels + (y * ptr->img_out->scanline_width); - for (x = 0; x < ptr->width; x++) - { - red = *p_red++; - green = *p_green++; - blue = *p_blue++; - if (red == 0 || green == 0 || blue == 0) - { - red = 0; - green = 0; - blue = 0; - } - else - { - p.value = red; - p.band = LANDSAT_RED; - landsat_recalibrate (&p); - red = p.value; - p.value = green; - p.band = LANDSAT_GREEN; - landsat_recalibrate (&p); - green = p.value; - p.value = blue; - p.band = LANDSAT_BLUE; - landsat_recalibrate (&p); - blue = p.value; - } - *p_rgb++ = red; - *p_rgb++ = green; - *p_rgb++ = blue; - } - } -} - -#ifdef _WIN32 -static DWORD WINAPI -#else -static void * -#endif -landsat_rgb_recalibrate (void *arg) -{ -/* threaded function: rendering an RGB Landsat sub-strip */ - struct thread_landsat_recalibrate *params = - (struct thread_landsat_recalibrate *) arg; - landsat_rgb (params); -#ifdef _WIN32 - return 0; -#else - pthread_exit (NULL); -#endif -} - -GGRAPH_DECLARE int -gGraphLandsatRGB (const void *red_ptr, const void *green_ptr, - const void *blue_ptr, const void *rgb_ptr, int width, - int num_rows, gGraphLandsatRecalibrationPtr params, - int num_threads) -{ -/* processing a whole RGB Landsat strip (may be, in a multithreaded way) */ - - gGraphStripImagePtr img_red = (gGraphStripImagePtr) red_ptr; - gGraphStripImagePtr img_green = (gGraphStripImagePtr) green_ptr; - gGraphStripImagePtr img_blue = (gGraphStripImagePtr) blue_ptr; - gGraphStripImagePtr img_rgb = (gGraphStripImagePtr) rgb_ptr; - int nt; - struct thread_landsat_recalibrate threads[GG_MAX_THREADS]; -#ifdef _WIN32 - HANDLE thread_handles[GG_MAX_THREADS]; - DWORD dwThreadIdArray[GG_MAX_THREADS]; -#else - pthread_t thread_ids[GG_MAX_THREADS]; -#endif - - if (img_red == NULL || img_green == NULL || img_blue == NULL - || img_rgb == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_red->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_green->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_blue->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_rgb->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_red->pixel_format == GG_PIXEL_GRAYSCALE - && img_green->pixel_format == GG_PIXEL_GRAYSCALE - && img_blue->pixel_format == GG_PIXEL_GRAYSCALE - && img_rgb->pixel_format == GG_PIXEL_RGB) - ; - else - return GGRAPH_INVALID_IMAGE; - if (img_red->width == width && img_green->width == width - && img_blue->width == width && img_rgb->width == width) - ; - else - return GGRAPH_INVALID_IMAGE; - if (img_red->current_available_rows == num_rows - && img_green->current_available_rows == num_rows - && img_blue->current_available_rows == num_rows - && img_rgb->rows_per_block >= num_rows) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (num_threads > GG_MAX_THREADS) - num_threads = GG_MAX_THREADS; - if (num_threads < 1) - num_threads = 1; - - for (nt = 0; nt < num_threads; nt++) - { - /* setting up the recalibrate struct */ - threads[nt].img_red = img_red; - threads[nt].img_green = img_green; - threads[nt].img_blue = img_blue; - threads[nt].img_out = img_rgb; - threads[nt].width = width; - threads[nt].lmin_red = params->lmin_red; - threads[nt].lmax_red = params->lmax_red; - threads[nt].qcalmin_red = params->qcalmin_red; - threads[nt].qcalmax_red = params->qcalmax_red; - threads[nt].gain_low_red = params->is_gain_low_red; - threads[nt].spectral_irradiance_red = params->spectral_irradiance_red; - threads[nt].low_gain_factor_red = params->low_gain_factor_red; - threads[nt].high_gain_factor_red = params->high_gain_factor_red; - threads[nt].recalibration_min_red = params->recalibration_min_red; - threads[nt].recalibration_max_red = params->recalibration_max_red; - threads[nt].lmin_green = params->lmin_green; - threads[nt].lmax_green = params->lmax_green; - threads[nt].qcalmin_green = params->qcalmin_green; - threads[nt].qcalmax_green = params->qcalmax_green; - threads[nt].gain_low_green = params->is_gain_low_green; - threads[nt].spectral_irradiance_green = - params->spectral_irradiance_green; - threads[nt].low_gain_factor_green = params->low_gain_factor_green; - threads[nt].high_gain_factor_green = params->high_gain_factor_green; - threads[nt].recalibration_min_green = params->recalibration_min_green; - threads[nt].recalibration_max_green = params->recalibration_max_green; - threads[nt].lmin_blue = params->lmin_blue; - threads[nt].lmax_blue = params->lmax_blue; - threads[nt].qcalmin_blue = params->qcalmin_blue; - threads[nt].qcalmax_blue = params->qcalmax_blue; - threads[nt].gain_low_blue = params->is_gain_low_blue; - threads[nt].spectral_irradiance_blue = - params->spectral_irradiance_blue; - threads[nt].low_gain_factor_blue = params->low_gain_factor_blue; - threads[nt].high_gain_factor_blue = params->high_gain_factor_blue; - threads[nt].recalibration_min_blue = params->recalibration_min_blue; - threads[nt].recalibration_max_blue = params->recalibration_max_blue; - threads[nt].sun_distance = params->sun_distance; - threads[nt].sun_elevation = params->sun_elevation; - } - - if (num_threads == 1) - { - /* not using concurrent multithreading */ - threads[0].min_row = 0; - threads[0].max_row = num_rows; - landsat_rgb (&(threads[0])); - } - else - { - /* using concurrent multithreading */ - int base_row = 0; - int rows_per_thread = num_rows / num_threads; - if ((rows_per_thread * num_threads) < num_rows) - rows_per_thread++; - for (nt = 0; nt < num_threads; nt++) - { - int max_row = base_row + rows_per_thread; - if (max_row >= num_rows) - max_row = num_rows; - threads[nt].min_row = base_row; - threads[nt].max_row = max_row; - base_row += rows_per_thread; -#ifdef _WIN32 - thread_handles[nt] = - CreateThread (NULL, 0, landsat_rgb_recalibrate, - &(threads[nt]), 0, &dwThreadIdArray[nt]); -#else - pthread_create (&(thread_ids[nt]), NULL, - landsat_rgb_recalibrate, &(threads[nt])); -#endif - } - /* waiting until any concurrent thread terminates */ -#ifdef _WIN32 - WaitForMultipleObjects (num_threads, thread_handles, TRUE, INFINITE); -#else - for (nt = 0; nt < num_threads; nt++) - pthread_join (thread_ids[nt], NULL); -#endif - } - - return GGRAPH_OK; -} - -static void -landsat_bw (struct thread_landsat_recalibrate *ptr) -{ -/* precessing a B&W Landsat sub-strip */ - int x; - int y; - unsigned char gray; - unsigned char *p_in; - unsigned char *p_out; - struct thread_landsat_recalibrate p; - -/* setting up the recalibrate struct */ - p.lmin_panchro = ptr->lmin_panchro; - p.lmax_panchro = ptr->lmax_panchro; - p.qcalmin_panchro = ptr->qcalmin_panchro; - p.qcalmax_panchro = ptr->qcalmax_panchro; - p.gain_low_panchro = ptr->gain_low_panchro; - p.spectral_irradiance_panchro = ptr->spectral_irradiance_panchro; - p.low_gain_factor_panchro = ptr->low_gain_factor_panchro; - p.high_gain_factor_panchro = ptr->high_gain_factor_panchro; - p.recalibration_min_panchro = ptr->recalibration_min_panchro; - p.recalibration_max_panchro = ptr->recalibration_max_panchro; - p.sun_distance = ptr->sun_distance; - p.sun_elevation = ptr->sun_elevation; - - for (y = ptr->min_row; y < ptr->max_row; y++) - { - p_in = ptr->img_red->pixels + (y * ptr->img_red->scanline_width); - p_out = ptr->img_out->pixels + (y * ptr->img_out->scanline_width); - for (x = 0; x < ptr->width; x++) - { - gray = *p_in++; - if (gray == 0) - gray = 0; - else - { - p.value = gray; - p.band = LANDSAT_PANCHRO; - landsat_recalibrate (&p); - gray = p.value; - } - *p_out++ = gray; - } - } -} - -#ifdef _WIN32 -static DWORD WINAPI -#else -static void * -#endif -landsat_bw_recalibrate (void *arg) -{ -/* threaded function: rendering a B&W Landsat sub-strip */ - struct thread_landsat_recalibrate *params = - (struct thread_landsat_recalibrate *) arg; - landsat_bw (params); -#ifdef _WIN32 - return 0; -#else - pthread_exit (NULL); -#endif -} - -GGRAPH_DECLARE int -gGraphLandsatBW (const void *in_ptr, const void *out_ptr, int width, - int num_rows, gGraphLandsatRecalibrationPtr params, - int num_threads) -{ -/* processing a whole B&W Landsat strip (may be, in a multithreaded way) */ - gGraphStripImagePtr img_in = (gGraphStripImagePtr) in_ptr; - gGraphStripImagePtr img_out = (gGraphStripImagePtr) out_ptr; - int nt; - struct thread_landsat_recalibrate threads[GG_MAX_THREADS]; -#ifdef _WIN32 - HANDLE thread_handles[GG_MAX_THREADS]; - DWORD dwThreadIdArray[GG_MAX_THREADS]; -#else - pthread_t thread_ids[GG_MAX_THREADS]; -#endif - - if (img_in == NULL || img_out == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_in->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_out->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_in->pixel_format == GG_PIXEL_GRAYSCALE - && img_out->pixel_format == GG_PIXEL_GRAYSCALE) - ; - else - return GGRAPH_INVALID_IMAGE; - if (img_in->width == width && img_out->width == width) - ; - else - return GGRAPH_INVALID_IMAGE; - if (img_in->current_available_rows == num_rows - && img_out->rows_per_block >= num_rows) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (num_threads > GG_MAX_THREADS) - num_threads = GG_MAX_THREADS; - if (num_threads < 1) - num_threads = 1; - - for (nt = 0; nt < num_threads; nt++) - { - /* setting up the recalibrate struct */ - threads[nt].img_red = img_in; - threads[nt].img_out = img_out; - threads[nt].width = width; - threads[nt].lmin_panchro = params->lmin_panchro; - threads[nt].lmax_panchro = params->lmax_panchro; - threads[nt].qcalmin_panchro = params->qcalmin_panchro; - threads[nt].qcalmax_panchro = params->qcalmax_panchro; - threads[nt].gain_low_panchro = params->is_gain_low_panchro; - threads[nt].spectral_irradiance_panchro = - params->spectral_irradiance_panchro; - threads[nt].low_gain_factor_panchro = params->low_gain_factor_panchro; - threads[nt].high_gain_factor_panchro = - params->high_gain_factor_panchro; - threads[nt].recalibration_min_panchro = - params->recalibration_min_panchro; - threads[nt].recalibration_max_panchro = - params->recalibration_max_panchro; - threads[nt].sun_distance = params->sun_distance; - threads[nt].sun_elevation = params->sun_elevation; - } - - if (num_threads == 1) - { - /* not using concurrent multithreading */ - threads[0].min_row = 0; - threads[0].max_row = num_rows; - landsat_bw (&(threads[0])); - } - else - { - /* using concurrent multithreading */ - int base_row = 0; - int rows_per_thread = num_rows / num_threads; - if ((rows_per_thread * num_threads) < num_rows) - rows_per_thread++; - for (nt = 0; nt < num_threads; nt++) - { - int max_row = base_row + rows_per_thread; - if (max_row >= num_rows) - max_row = num_rows; - threads[nt].min_row = base_row; - threads[nt].max_row = max_row; - base_row += rows_per_thread; -#ifdef _WIN32 - thread_handles[nt] = - CreateThread (NULL, 0, landsat_bw_recalibrate, - &(threads[nt]), 0, &dwThreadIdArray[nt]); -#else - pthread_create (&(thread_ids[nt]), NULL, - landsat_bw_recalibrate, &(threads[nt])); -#endif - } - /* waiting until any concurrent thread terminates */ -#ifdef _WIN32 - WaitForMultipleObjects (num_threads, thread_handles, TRUE, INFINITE); -#else - for (nt = 0; nt < num_threads; nt++) - pthread_join (thread_ids[nt], NULL); -#endif - } - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphGetLandsatSceneExtent (const void *ptr, int base_row, double *top_x, - double *top_y, double *bottom_x, double *bottom_y, - double *left_x, double *left_y, double *right_x, - double *right_y) -{ -/* determing the actual Landsat scene extent (by strips) */ - int x; - int y; - unsigned char *p_in; - unsigned char gray; - unsigned char red; - unsigned char green; - unsigned char blue; - double px; - double py; - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img->pixel_format == GG_PIXEL_GRAYSCALE - || img->pixel_format == GG_PIXEL_RGB) - ; - else - return GGRAPH_INVALID_IMAGE; - - *top_x = 0.0 - DBL_MAX; - *top_y = 0.0 - DBL_MAX; - *bottom_x = DBL_MAX; - *bottom_y = DBL_MAX; - *left_x = DBL_MAX; - *left_y = DBL_MAX; - *right_x = 0.0 - DBL_MAX; - *right_y = 0.0 - DBL_MAX; - - for (y = 0; y < img->current_available_rows; y++) - { - p_in = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - gray = *p_in++; - if (gray == 0) - continue; - } - else - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - if (red == 0 || green == 0 || blue == 0) - continue; - } - /* ok, this one is a valid scene's pixel */ - px = img->upper_left_x + ((double) x * img->pixel_x_size); - py = img->upper_left_y - - ((double) (base_row + y) * img->pixel_y_size); - if (py > *top_y) - { - *top_y = py; - *top_x = px; - } - if (py < *bottom_y) - { - *bottom_y = py; - *bottom_x = px; - } - if (px < *left_x) - { - *left_x = px; - *left_y = py; - } - if (px > *right_x) - { - *right_x = px; - *right_y = py; - } - } - } - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphLandsatMergePixels (const void *ptr_in, int base_row, const void *ptr_out) -{ -/* merging pixels between two images by Geographic position */ - int x; - int y; - unsigned char *p_in; - unsigned char *p_out; - unsigned char gray; - unsigned char red; - unsigned char green; - unsigned char blue; - double geo_x; - double geo_y; - int out_x; - int out_y; - double dout_x; - double dout_y; - double diff_x; - double diff_y; - gGraphStripImagePtr img_in = (gGraphStripImagePtr) ptr_in; - gGraphImagePtr img_out = (gGraphImagePtr) ptr_out; - - if (img_in == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_out == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_in->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_out->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_in->pixel_format == GG_PIXEL_GRAYSCALE - || img_in->pixel_format == GG_PIXEL_RGB) - ; - else - return GGRAPH_INVALID_IMAGE; - if (img_in->pixel_format != img_out->pixel_format) - return GGRAPH_INVALID_IMAGE; - if (img_in->srid != img_out->srid) - return GGRAPH_INVALID_IMAGE; - - for (y = 0; y < img_in->current_available_rows; y++) - { - p_in = img_in->pixels + (y * img_in->scanline_width); - for (x = 0; x < img_in->width; x++) - { - if (img_in->pixel_format == GG_PIXEL_GRAYSCALE) - { - gray = *p_in++; - if (gray == 0) - continue; - } - else - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - if (red == 0 || green == 0 || blue == 0) - continue; - } - /* ok, this one is a valid scene's pixel */ - geo_x = - img_in->upper_left_x + ((double) x * img_in->pixel_x_size); - geo_y = - img_in->upper_left_y - - ((double) (base_row + y) * img_in->pixel_y_size); - dout_x = - ((geo_x - img_out->upper_left_x) / img_out->pixel_x_size); - dout_y = - ((img_out->upper_left_y - geo_y) / img_out->pixel_y_size); - out_x = (int) dout_x; - out_y = (int) dout_y; - diff_x = dout_x - (double) out_x; - diff_y = dout_y - (double) out_y; - if (diff_x >= 0.5) - out_x++; - if (diff_y >= 0.5) - out_y++; - if (out_x < 0 || out_x >= img_out->width) - continue; - if (out_y < 0 || out_y >= img_out->height) - continue; - /* ok, setting this pixel into the output image */ - p_out = - img_out->pixels + (out_y * img_out->scanline_width) + - (out_x * img_out->pixel_size); - if (img_out->pixel_format == GG_PIXEL_GRAYSCALE) - *p_out++ = gray; - else - { - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - } - } - - return GGRAPH_OK; -} - -static unsigned char -to_grayscale3 (unsigned char r, unsigned char g, unsigned char b) -{ -/* computing a grayscale value */ - double dval = - (0.3 * (double) r) + (0.59 * (double) g) + (0.11 * (double) b); - int ival = (int) dval; - if (ival < 0) - ival = 0; - if (ival > 255) - ival = 255; - return (unsigned char) ival; -} - -static int -merge_grid (gGraphImagePtr img_in, gGraphImagePtr img_out) -{ -/* mergine pixels between two GRIDS by Geographics position */ - int x; - int y; - unsigned char *p_in; - unsigned char *p_out; - double value; - double geo_x; - double geo_y; - int out_x; - int out_y; - double dout_x; - double dout_y; - double diff_x; - double diff_y; - for (y = 0; y < img_in->height; y++) - { - p_in = img_in->pixels + (y * img_in->scanline_width); - for (x = 0; x < img_in->width; x++) - { - switch (img_in->sample_format) - { - case GGRAPH_SAMPLE_INT: - if (img_in->bits_per_sample == 16) - { - short *p = (short *) p_in; - value = *p; - p_in += sizeof (short); - } - else - { - int *p = (int *) p_in; - value = *p; - p_in += sizeof (int); - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_in->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_in; - value = *p; - p_in += sizeof (unsigned short); - } - else - { - unsigned int *p = (unsigned int *) p_in; - value = *p; - p_in += sizeof (unsigned int); - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_in->bits_per_sample == 32) - { - float *p = (float *) p_in; - value = *p; - p_in += sizeof (float); - } - else - { - double *p = (double *) p_in; - value = *p; - p_in += sizeof (double); - } - break; - }; - if (value == img_in->no_data_value) - { - /* NoData pixel: skipping */ - continue; - } - /* ok, this one is a valid scene's pixel */ - geo_x = - img_in->upper_left_x + ((double) x * img_in->pixel_x_size); - geo_y = - img_in->upper_left_y - ((double) y * img_in->pixel_y_size); - dout_x = - ((geo_x - img_out->upper_left_x) / img_out->pixel_x_size); - dout_y = - ((img_out->upper_left_y - geo_y) / img_out->pixel_y_size); - out_x = (int) dout_x; - out_y = (int) dout_y; - diff_x = dout_x - (double) out_x; - diff_y = dout_y - (double) out_y; - if (diff_x >= 0.5) - out_x++; - if (diff_y >= 0.5) - out_y++; - if (out_x < 0 || out_x >= img_out->width) - continue; - if (out_y < 0 || out_y >= img_out->height) - continue; - /* ok, setting this pixel into the output image */ - p_out = - img_out->pixels + (out_y * img_out->scanline_width) + - (out_x * img_out->pixel_size); - switch (img_out->sample_format) - { - case GGRAPH_SAMPLE_INT: - if (img_out->bits_per_sample == 16) - { - short *p = (short *) p_out; - *p = (short) value; - p_out += sizeof (short); - } - else - { - int *p = (int *) p_out; - *p = (int) value; - p_out += sizeof (int); - } - break; - case GGRAPH_SAMPLE_UINT: - if (img_out->bits_per_sample == 16) - { - unsigned short *p = (unsigned short *) p_out; - *p = (unsigned short) value; - p_out += sizeof (unsigned short); - } - else - { - unsigned int *p = (unsigned int *) p_out; - *p = (unsigned int) value; - p_out += sizeof (unsigned int); - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (img_out->bits_per_sample == 32) - { - float *p = (float *) p_out; - *p = (float) value; - p_out += sizeof (float); - } - else - { - double *p = (double *) p_out; - *p = value; - p_out += sizeof (double); - } - break; - }; - } - } - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphGeoMergePixels (const void *ptr_in, const void *ptr_out) -{ -/* merging pixels between two images by Geographic position */ - int x; - int y; - unsigned char *p_in; - unsigned char *p_out; - unsigned char gray; - unsigned char red; - unsigned char green; - unsigned char blue; - double geo_x; - double geo_y; - int out_x; - int out_y; - double dout_x; - double dout_y; - double diff_x; - double diff_y; - gGraphImagePtr img_in = (gGraphImagePtr) ptr_in; - gGraphImagePtr img_out = (gGraphImagePtr) ptr_out; - - if (img_in == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_out == NULL) - return GGRAPH_INVALID_IMAGE; - if (img_in->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_out->signature != GG_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - if (img_in->srid != img_out->srid) - return GGRAPH_INVALID_IMAGE; - - if (img_in->pixel_format == GG_PIXEL_GRID) - { - if (img_out->pixel_format == GG_PIXEL_GRID) - return merge_grid (img_in, img_out); - return GGRAPH_INVALID_IMAGE; - } - - for (y = 0; y < img_in->height; y++) - { - p_in = img_in->pixels + (y * img_in->scanline_width); - for (x = 0; x < img_in->width; x++) - { - if (img_in->pixel_format == GG_PIXEL_GRAYSCALE) - { - gray = *p_in++; - red = gray; - green = gray; - blue = gray; - } - else if (img_in->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img_in->palette_red[index]; - green = img_in->palette_green[index]; - blue = img_in->palette_blue[index]; - if (red == green && red == blue) - gray = red; - else - gray = to_grayscale3 (red, green, blue); - } - else - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - if (red == green && red == blue) - gray = red; - else - gray = to_grayscale3 (red, green, blue); - } - /* ok, this one is a valid scene's pixel */ - geo_x = - img_in->upper_left_x + ((double) x * img_in->pixel_x_size); - geo_y = - img_in->upper_left_y - ((double) y * img_in->pixel_y_size); - dout_x = - ((geo_x - img_out->upper_left_x) / img_out->pixel_x_size); - dout_y = - ((img_out->upper_left_y - geo_y) / img_out->pixel_y_size); - out_x = (int) dout_x; - out_y = (int) dout_y; - diff_x = dout_x - (double) out_x; - diff_y = dout_y - (double) out_y; - if (diff_x >= 0.5) - out_x++; - if (diff_y >= 0.5) - out_y++; - if (out_x < 0 || out_x >= img_out->width) - continue; - if (out_y < 0 || out_y >= img_out->height) - continue; - /* ok, setting this pixel into the output image */ - p_out = - img_out->pixels + (out_y * img_out->scanline_width) + - (out_x * img_out->pixel_size); - if (img_out->pixel_format == GG_PIXEL_GRAYSCALE) - *p_out++ = gray; - else if (img_out->pixel_format == GG_PIXEL_RGBA) - { - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - *p_out++ = 255; - } - else - { - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - } - } - - return GGRAPH_OK; -} DELETED src/gaiagraphics_gif.c Index: src/gaiagraphics_gif.c ================================================================== --- src/gaiagraphics_gif.c +++ src/gaiagraphics_gif.c @@ -1,1193 +0,0 @@ -/* -/ gaiagraphics_gif.c -/ -/ GIF auxiliary helpers -/ -/ version 1.0, 2010 July 20 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2010 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -/* -/ -/ DISCLAIMER: -/ all the following code merely is an 'ad hoc' adaption -/ deriving from the original GD lib code -/ which in turn is based on he following: -/ -** Code drawn from ppmtogif.c, from the pbmplus package -** -** Based on GIFENCOD by David Rowley . A -** Lempel-Zim compression based on "compress". -** -** Modified by Marcel Wijkstra -** -** Copyright (C) 1989 by Jef Poskanzer. -** -** Permission to use, copy, modify, and distribute this software and its -** documentation for any purpose and without fee is hereby granted, provided -** that the above copyright notice appear in all copies and that both that -** copyright notice and this permission notice appear in supporting -** documentation. This software is provided "as is" without express or -** implied warranty. -** -** The Graphics Interchange Format(c) is the Copyright property of -** CompuServe Incorporated. GIF(sm) is a Service Mark property of -** CompuServe Incorporated. -/ -*/ - -typedef int code_int; - -#ifdef SIGNED_COMPARE_SLOW -typedef unsigned long int count_int; -typedef unsigned short int count_short; -#else /*SIGNED_COMPARE_SLOW */ -typedef long int count_int; -#endif /*SIGNED_COMPARE_SLOW */ - -#define GIFBITS 12 - -#define maxbits GIFBITS - -#define maxmaxcode ((code_int)1 << GIFBITS) - -#define HSIZE 5003 -#define hsize HSIZE - -#ifdef COMPATIBLE -#define MAXCODE(n_bits) ((code_int) 1 << (n_bits) - 1) -#else /*COMPATIBLE*/ -#define MAXCODE(n_bits) (((code_int) 1 << (n_bits)) - 1) -#endif /*COMPATIBLE*/ -#define HashTabOf(i) ctx->htab[i] -#define CodeTabOf(i) ctx->codetab[i] - typedef struct -{ - int Width, Height; - int curx, cury; - long CountDown; - int Pass; - int Interlace; - int n_bits; - code_int maxcode; - count_int htab[HSIZE]; - unsigned short codetab[HSIZE]; - code_int free_ent; - int clear_flg; - int offset; - long int in_count; - long int out_count; - int g_init_bits; - xgdIOCtx *g_outfile; - int ClearCode; - int EOFCode; - unsigned long cur_accum; - int cur_bits; - int a_count; - char accum[256]; -} GifCtx; - -#define MAXCOLORMAPSIZE 256 - -#define TRUE 1 -#define FALSE 0 - -#define CM_RED 0 -#define CM_GREEN 1 -#define CM_BLUE 2 - -#define MAX_LWZ_BITS 12 - -#define INTERLACE 0x40 -#define LOCALCOLORMAP 0x80 - -#define BitSet(byte, bit) (((byte) & (bit)) == (bit)) -#define ReadOK(file,buffer,len) (xgdGetBuf(buffer, len, file) > 0) -#define LM_to_uint(a,b) (((b)<<8)|(a)) - -#define STACK_SIZE ((1<<(MAX_LWZ_BITS))*2) - -typedef struct -{ - unsigned char buf[280]; - int curbit, lastbit, done, last_byte; -} CODE_STATIC_DATA; - -typedef struct -{ - int fresh; - int code_size, set_code_size; - int max_code, max_code_size; - int firstcode, oldcode; - int clear_code, end_code; - int table[2][(1 << MAX_LWZ_BITS)]; - int stack[STACK_SIZE], *sp; - CODE_STATIC_DATA scd; -} LZW_STATIC_DATA; - -static int -GetDataBlock_ (xgdIOCtx * fd, unsigned char *buf, int *ZeroDataBlockP) -{ - unsigned char count; - if (!ReadOK (fd, &count, 1)) - { - return -1; - } - *ZeroDataBlockP = count == 0; - if ((count != 0) && (!ReadOK (fd, buf, count))) - { - return -1; - } - return count; -} - -static int -GetDataBlock (xgdIOCtx * fd, unsigned char *buf, int *ZeroDataBlockP) -{ - int rv; - rv = GetDataBlock_ (fd, buf, ZeroDataBlockP); - return (rv); -} - -static int -ReadColorMap (xgdIOCtx * fd, int number, unsigned char (*buffer)[256]) -{ - int i; - unsigned char rgb[3]; - for (i = 0; i < number; ++i) - { - if (!ReadOK (fd, rgb, sizeof (rgb))) - { - return TRUE; - } - buffer[CM_RED][i] = rgb[0]; - buffer[CM_GREEN][i] = rgb[1]; - buffer[CM_BLUE][i] = rgb[2]; - } - return FALSE; -} - -static int -GetCode_ (xgdIOCtx * fd, CODE_STATIC_DATA * scd, int code_size, int flag, - int *ZeroDataBlockP) -{ - int i, j, ret; - unsigned char count; - if (flag) - { - scd->curbit = 0; - scd->lastbit = 0; - scd->last_byte = 0; - scd->done = FALSE; - return 0; - } - if ((scd->curbit + code_size) >= scd->lastbit) - { - if (scd->done) - { - if (scd->curbit >= scd->lastbit) - { - /* Oh well */ - } - return -1; - } - scd->buf[0] = scd->buf[scd->last_byte - 2]; - scd->buf[1] = scd->buf[scd->last_byte - 1]; - if ((count = GetDataBlock (fd, &scd->buf[2], ZeroDataBlockP)) <= 0) - scd->done = TRUE; - scd->last_byte = 2 + count; - scd->curbit = (scd->curbit - scd->lastbit) + 16; - scd->lastbit = (2 + count) * 8; - } - ret = 0; - for (i = scd->curbit, j = 0; j < code_size; ++i, ++j) - ret |= ((scd->buf[i / 8] & (1 << (i % 8))) != 0) << j; - scd->curbit += code_size; - return ret; -} - -static int -GetCode (xgdIOCtx * fd, CODE_STATIC_DATA * scd, int code_size, int flag, - int *ZeroDataBlockP) -{ - int rv; - rv = GetCode_ (fd, scd, code_size, flag, ZeroDataBlockP); - return (rv); -} - -static int -LWZReadByte_ (xgdIOCtx * fd, LZW_STATIC_DATA * sd, char flag, - int input_code_size, int *ZeroDataBlockP) -{ - int code, incode, i; - if (flag) - { - sd->set_code_size = input_code_size; - sd->code_size = sd->set_code_size + 1; - sd->clear_code = 1 << sd->set_code_size; - sd->end_code = sd->clear_code + 1; - sd->max_code_size = 2 * sd->clear_code; - sd->max_code = sd->clear_code + 2; - GetCode (fd, &sd->scd, 0, TRUE, ZeroDataBlockP); - sd->fresh = TRUE; - for (i = 0; i < sd->clear_code; ++i) - { - sd->table[0][i] = 0; - sd->table[1][i] = i; - } - for (; i < (1 << MAX_LWZ_BITS); ++i) - sd->table[0][i] = sd->table[1][0] = 0; - sd->sp = sd->stack; - return 0; - } - else if (sd->fresh) - { - sd->fresh = FALSE; - do - { - sd->firstcode = sd->oldcode = - GetCode (fd, &sd->scd, sd->code_size, FALSE, - ZeroDataBlockP); - } - while (sd->firstcode == sd->clear_code); - return sd->firstcode; - } - if (sd->sp > sd->stack) - return *--sd->sp; - while ((code = - GetCode (fd, &sd->scd, sd->code_size, FALSE, ZeroDataBlockP)) >= 0) - { - if (code == sd->clear_code) - { - for (i = 0; i < sd->clear_code; ++i) - { - sd->table[0][i] = 0; - sd->table[1][i] = i; - } - for (; i < (1 << MAX_LWZ_BITS); ++i) - sd->table[0][i] = sd->table[1][i] = 0; - sd->code_size = sd->set_code_size + 1; - sd->max_code_size = 2 * sd->clear_code; - sd->max_code = sd->clear_code + 2; - sd->sp = sd->stack; - sd->firstcode = sd->oldcode = - GetCode (fd, &sd->scd, sd->code_size, FALSE, - ZeroDataBlockP); - return sd->firstcode; - } - else if (code == sd->end_code) - { - int count; - unsigned char buf[260]; - if (*ZeroDataBlockP) - return -2; - while ((count = GetDataBlock (fd, buf, ZeroDataBlockP)) > 0) - ; - if (count != 0) - return -2; - } - incode = code; - if (sd->sp == (sd->stack + STACK_SIZE)) - { - return -1; - } - if (code >= sd->max_code) - { - *sd->sp++ = sd->firstcode; - code = sd->oldcode; - } - while (code >= sd->clear_code) - { - if (sd->sp == (sd->stack + STACK_SIZE)) - { - return -1; - } - *sd->sp++ = sd->table[1][code]; - if (code == sd->table[0][code]) - { - /* Oh well */ - } - code = sd->table[0][code]; - } - *sd->sp++ = sd->firstcode = sd->table[1][code]; - if ((code = sd->max_code) < (1 << MAX_LWZ_BITS)) - { - sd->table[0][code] = sd->oldcode; - sd->table[1][code] = sd->firstcode; - ++sd->max_code; - if ((sd->max_code >= sd->max_code_size) && - (sd->max_code_size < (1 << MAX_LWZ_BITS))) - { - sd->max_code_size *= 2; - ++sd->code_size; - } - } - sd->oldcode = incode; - if (sd->sp > sd->stack) - return *--sd->sp; - } - return code; -} - -static int -LWZReadByte (xgdIOCtx * fd, LZW_STATIC_DATA * sd, char flag, - int input_code_size, int *ZeroDataBlockP) -{ - int rv; - rv = LWZReadByte_ (fd, sd, flag, input_code_size, ZeroDataBlockP); - return (rv); -} - -static void -ReadImage (gGraphImagePtr img, xgdIOCtx * fd, - unsigned char (*cmap)[256], int interlace, int *ZeroDataBlockP) -{ - unsigned char c; - int v; - int xpos = 0, ypos = 0, pass = 0; - int i; - int red[256]; - int green[256]; - int blue[256]; - unsigned char *p_out; - int len = img->width; - int height = img->height; - LZW_STATIC_DATA sd; - if (!ReadOK (fd, &c, 1)) - { - return; - } - if (c > MAX_LWZ_BITS) - { - return; - } - for (i = 0; (i < 256); i++) - { - red[i] = cmap[CM_RED][i]; - green[i] = cmap[CM_GREEN][i]; - blue[i] = cmap[CM_BLUE][i]; - } - if (LWZReadByte (fd, &sd, TRUE, c, ZeroDataBlockP) < 0) - { - return; - } - while ((v = LWZReadByte (fd, &sd, FALSE, c, ZeroDataBlockP)) >= 0) - { - if (v >= 256) - { - v = 0; - } - p_out = - img->pixels + (ypos * img->scanline_width) + - (xpos * img->pixel_size); - if (img->pixel_format == GG_PIXEL_PALETTE) - { - /* the output image is expected to be PALETTE-based */ - *p_out++ = v; - if ((v + 1) > img->max_palette) - img->max_palette = v + 1; - img->palette_red[v] = red[v]; - img->palette_green[v] = green[v]; - img->palette_blue[v] = blue[v]; - } - ++xpos; - if (xpos == len) - { - xpos = 0; - if (interlace) - { - switch (pass) - { - case 0: - case 1: - ypos += 8; - break; - case 2: - ypos += 4; - break; - case 3: - ypos += 2; - break; - } - if (ypos >= height) - { - ++pass; - switch (pass) - { - case 1: - ypos = 4; - break; - case 2: - ypos = 2; - break; - case 3: - ypos = 1; - break; - default: - goto fini; - } - } - } - else - { - ++ypos; - } - } - if (ypos >= height) - break; - } - fini: - if (LWZReadByte (fd, &sd, FALSE, c, ZeroDataBlockP) >= 0) - { - /* Ignore extra */ - } -} - -static int -DoExtension (xgdIOCtx * fd, int label, int *Transparent, int *ZeroDataBlockP) -{ - unsigned char buf[256]; - switch (label) - { - case 0xf9: - memset (buf, 0, 4); - (void) GetDataBlock (fd, (unsigned char *) buf, ZeroDataBlockP); - if ((buf[0] & 0x1) != 0) - *Transparent = buf[3]; - while (GetDataBlock (fd, (unsigned char *) buf, ZeroDataBlockP) > 0); - return FALSE; - default: - break; - } - while (GetDataBlock (fd, (unsigned char *) buf, ZeroDataBlockP) > 0) - ; - return FALSE; -} - -static void -BumpPixel (GifCtx * ctx) -{ - ++(ctx->curx); - if (ctx->curx == ctx->Width) - { - ctx->curx = 0; - if (!ctx->Interlace) - ++(ctx->cury); - else - { - switch (ctx->Pass) - { - case 0: - ctx->cury += 8; - if (ctx->cury >= ctx->Height) - { - ++(ctx->Pass); - ctx->cury = 4; - } - break; - case 1: - ctx->cury += 8; - if (ctx->cury >= ctx->Height) - { - ++(ctx->Pass); - ctx->cury = 2; - } - break; - case 2: - ctx->cury += 4; - if (ctx->cury >= ctx->Height) - { - ++(ctx->Pass); - ctx->cury = 1; - } - break; - - case 3: - ctx->cury += 2; - break; - } - } - } -} - -static int -GIFNextPixel (gGraphImagePtr img, GifCtx * ctx) -{ - int pixel = 0; - unsigned char *p_in; - if (ctx->CountDown == 0) - return EOF; - --(ctx->CountDown); - - p_in = - img->pixels + (ctx->cury * img->scanline_width) + - (ctx->curx * img->pixel_size); - if (img->pixel_format == GG_PIXEL_GRAYSCALE - || img->pixel_format == GG_PIXEL_PALETTE) - { - /* the input image is expected to be GRAYSCALE or PALETTE anyway */ - pixel = *p_in; - } - BumpPixel (ctx); - return pixel; -} - -static void -xgdPutC (const unsigned char c, xgdIOCtx * ctx) -{ - (ctx->putC) (ctx, c); -} - -static void -char_init (GifCtx * ctx) -{ - ctx->a_count = 0; -} - -static void -cl_hash (register count_int chsize, GifCtx * ctx) -{ - register count_int *htab_p = ctx->htab + chsize; - register long i; - register long m1 = -1; - i = chsize - 16; - do - { - *(htab_p - 16) = m1; - *(htab_p - 15) = m1; - *(htab_p - 14) = m1; - *(htab_p - 13) = m1; - *(htab_p - 12) = m1; - *(htab_p - 11) = m1; - *(htab_p - 10) = m1; - *(htab_p - 9) = m1; - *(htab_p - 8) = m1; - *(htab_p - 7) = m1; - *(htab_p - 6) = m1; - *(htab_p - 5) = m1; - *(htab_p - 4) = m1; - *(htab_p - 3) = m1; - *(htab_p - 2) = m1; - *(htab_p - 1) = m1; - htab_p -= 16; - } - while ((i -= 16) >= 0); - for (i += 16; i > 0; --i) - *--htab_p = m1; -} - -static void -flush_char (GifCtx * ctx) -{ - if (ctx->a_count > 0) - { - xgdPutC (ctx->a_count, ctx->g_outfile); - xgdPutBuf (ctx->accum, ctx->a_count, ctx->g_outfile); - ctx->a_count = 0; - } -} - -static void -char_out (int c, GifCtx * ctx) -{ - ctx->accum[ctx->a_count++] = c; - if (ctx->a_count >= 254) - flush_char (ctx); -} - -static unsigned long masks[] = { 0x0000, 0x0001, 0x0003, 0x0007, 0x000F, - 0x001F, 0x003F, 0x007F, 0x00FF, - 0x01FF, 0x03FF, 0x07FF, 0x0FFF, - 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF -}; - -static void -output (code_int code, GifCtx * ctx) -{ - ctx->cur_accum &= masks[ctx->cur_bits]; - if (ctx->cur_bits > 0) - ctx->cur_accum |= ((long) code << ctx->cur_bits); - else - ctx->cur_accum = code; - ctx->cur_bits += ctx->n_bits; - while (ctx->cur_bits >= 8) - { - char_out ((unsigned int) (ctx->cur_accum & 0xff), ctx); - ctx->cur_accum >>= 8; - ctx->cur_bits -= 8; - } - if (ctx->free_ent > ctx->maxcode || ctx->clear_flg) - { - - if (ctx->clear_flg) - { - - ctx->maxcode = MAXCODE (ctx->n_bits = ctx->g_init_bits); - ctx->clear_flg = 0; - - } - else - { - - ++(ctx->n_bits); - if (ctx->n_bits == maxbits) - ctx->maxcode = maxmaxcode; - else - ctx->maxcode = MAXCODE (ctx->n_bits); - } - } - if (code == ctx->EOFCode) - { - while (ctx->cur_bits > 0) - { - char_out ((unsigned int) (ctx->cur_accum & 0xff), ctx); - ctx->cur_accum >>= 8; - ctx->cur_bits -= 8; - } - flush_char (ctx); - } -} - -static void -cl_block (GifCtx * ctx) -{ - cl_hash ((count_int) hsize, ctx); - ctx->free_ent = ctx->ClearCode + 2; - ctx->clear_flg = 1; - output ((code_int) ctx->ClearCode, ctx); -} - -static int -gifPutWord (int w, xgdIOCtx * out) -{ - xgdPutC (w & 0xFF, out); - xgdPutC ((w >> 8) & 0xFF, out); - return 0; -} - -static void -GIFcompress (int init_bits, xgdIOCtxPtr outfile, gGraphImagePtr img, - GifCtx * ctx) -{ -/* - * compress stdin to stdout - * - * Algorithm: use open addressing double hashing (no chaining) on the - * prefix code / next character combination. We do a variant of Knuth's - * algorithm D (vol. 3, sec. 6.4) along with G. Knott's relatively-prime - * secondary probe. Here, the modular division first probe is gives way - * to a faster exclusive-or manipulation. Also do block compression with - * an adaptive reset, whereby the code table is cleared when the compression - * ratio decreases, but after the table fills. The variable-length output - * codes are re-sized at this point, and a special CLEAR code is generated - * for the decompressor. Late addition: construct the table according to - * file size for noticeable speed improvement on small files. Please direct - * questions about this implementation to ames!jaw. - */ - register long fcode; - register code_int i /* = 0 */ ; - register int c; - register code_int ent; - register code_int disp; - register code_int hsize_reg; - register int hshift; - ctx->g_init_bits = init_bits; - ctx->g_outfile = outfile; - ctx->offset = 0; - ctx->out_count = 0; - ctx->clear_flg = 0; - ctx->in_count = 1; - ctx->maxcode = MAXCODE (ctx->n_bits = ctx->g_init_bits); - ctx->ClearCode = (1 << (init_bits - 1)); - ctx->EOFCode = ctx->ClearCode + 1; - ctx->free_ent = ctx->ClearCode + 2; - char_init (ctx); - ent = GIFNextPixel (img, ctx); - hshift = 0; - for (fcode = (long) hsize; fcode < 65536L; fcode *= 2L) - ++hshift; - hshift = 8 - hshift; - hsize_reg = hsize; - cl_hash ((count_int) hsize_reg, ctx); - output ((code_int) ctx->ClearCode, ctx); -#ifdef SIGNED_COMPARE_SLOW - while ((c = GIFNextPixel (img)) != (unsigned) EOF) - { -#else /*SIGNED_COMPARE_SLOW */ - while ((c = GIFNextPixel (img, ctx)) != EOF) - { /* } */ -#endif /*SIGNED_COMPARE_SLOW */ - ++(ctx->in_count); - fcode = (long) (((long) c << maxbits) + ent); - i = (((code_int) c << hshift) ^ ent); - if (HashTabOf (i) == fcode) - { - ent = CodeTabOf (i); - continue; - } - else if ((long) HashTabOf (i) < 0) - goto nomatch; - disp = hsize_reg - i; - if (i == 0) - disp = 1; - probe: - if ((i -= disp) < 0) - i += hsize_reg; - if (HashTabOf (i) == fcode) - { - ent = CodeTabOf (i); - continue; - } - if ((long) HashTabOf (i) > 0) - goto probe; - nomatch: - output ((code_int) ent, ctx); - ++(ctx->out_count); - ent = c; -#ifdef SIGNED_COMPARE_SLOW - if ((unsigned) ctx->free_ent < (unsigned) maxmaxcode) - { -#else /*SIGNED_COMPARE_SLOW */ - if (ctx->free_ent < maxmaxcode) - { -#endif /*SIGNED_COMPARE_SLOW */ - CodeTabOf (i) = ctx->free_ent++; - HashTabOf (i) = fcode; - } - else - cl_block (ctx); - } - output ((code_int) ent, ctx); - ++(ctx->out_count); - output ((code_int) ctx->EOFCode, ctx); -} - -static int -GIFEncode (xgdIOCtxPtr fp, int GInterlace, - int Background, int Transparent, int BitsPerPixel, int *Red, - int *Green, int *Blue, gGraphImagePtr img) -{ - int B; - int RWidth, RHeight; - int LeftOfs, TopOfs; - int Resolution; - int ColorMapSize; - int InitCodeSize; - int i; - int GWidth = img->width; - int GHeight = img->height; - GifCtx ctx; - ctx.Interlace = GInterlace; - ctx.in_count = 1; - memset (&ctx, 0, sizeof (ctx)); - ColorMapSize = 1 << BitsPerPixel; - RWidth = ctx.Width = GWidth; - RHeight = ctx.Height = GHeight; - LeftOfs = TopOfs = 0; - Resolution = BitsPerPixel; - ctx.CountDown = (long) ctx.Width * (long) ctx.Height; - ctx.Pass = 0; - if (BitsPerPixel <= 1) - InitCodeSize = 2; - else - InitCodeSize = BitsPerPixel; - ctx.curx = ctx.cury = 0; - xgdPutBuf (Transparent < 0 ? "GIF87a" : "GIF89a", 6, fp); - gifPutWord (RWidth, fp); - gifPutWord (RHeight, fp); - B = 0x80; - B |= (Resolution - 1) << 5; - B |= (BitsPerPixel - 1); - xgdPutC (B, fp); - xgdPutC (Background, fp); - xgdPutC (0, fp); - for (i = 0; i < ColorMapSize; ++i) - { - xgdPutC (Red[i], fp); - xgdPutC (Green[i], fp); - xgdPutC (Blue[i], fp); - } - if (Transparent >= 0) - { - xgdPutC ('!', fp); - xgdPutC (0xf9, fp); - xgdPutC (4, fp); - xgdPutC (1, fp); - xgdPutC (0, fp); - xgdPutC (0, fp); - xgdPutC ((unsigned char) Transparent, fp); - xgdPutC (0, fp); - } - xgdPutC (',', fp); - gifPutWord (LeftOfs, fp); - gifPutWord (TopOfs, fp); - gifPutWord (ctx.Width, fp); - gifPutWord (ctx.Height, fp); - if (ctx.Interlace) - xgdPutC (0x40, fp); - else - xgdPutC (0x00, fp); - xgdPutC (InitCodeSize, fp); - GIFcompress (InitCodeSize + 1, fp, img, &ctx); - xgdPutC (0, fp); - xgdPutC (';', fp); - return GGRAPH_OK; -} - -static int -colorstobpp (int colors) -{ - int bpp = 0; - - if (colors <= 2) - bpp = 1; - else if (colors <= 4) - bpp = 2; - else if (colors <= 8) - bpp = 3; - else if (colors <= 16) - bpp = 4; - else if (colors <= 32) - bpp = 5; - else if (colors <= 64) - bpp = 6; - else if (colors <= 128) - bpp = 7; - else if (colors <= 256) - bpp = 8; - return bpp; -} - -static gGraphImageInfosPtr -xgdImageInfosFromGifCtx (xgdIOCtxPtr fd, int *errcode) -{ - int BitPixel; - unsigned char buf[16]; - int imw, imh, screen_width, screen_height; - int bitPixel; - gGraphImageInfosPtr infos = NULL; - if (!ReadOK (fd, buf, 6)) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - if (strncmp ((char *) buf, "GIF", 3) != 0) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - if (memcmp ((char *) buf + 3, "87a", 3) == 0 - || memcmp ((char *) buf + 3, "89a", 3) == 0) - ; - else - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - if (!ReadOK (fd, buf, 7)) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - BitPixel = 2 << (buf[4] & 0x07); - screen_width = imw = LM_to_uint (buf[0], buf[1]); - screen_height = imh = LM_to_uint (buf[2], buf[3]); - bitPixel = colorstobpp (BitPixel); - if (! - (infos = - gg_image_infos_create (GG_PIXEL_PALETTE, screen_width, screen_height, - bitPixel, 1, GGRAPH_SAMPLE_UINT, NULL, NULL))) - { - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } - infos->compression = GGRAPH_TIFF_COMPRESSION_LZW; - if (!infos) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - return infos; -} - -static gGraphImagePtr -xgdImageCreateFromGifCtx (xgdIOCtxPtr fd, int *errcode) -{ - int BitPixel; - int Transparent = (-1); - unsigned char buf[16]; - unsigned char c; - unsigned char ColorMap[3][MAXCOLORMAPSIZE]; - unsigned char localColorMap[3][MAXCOLORMAPSIZE]; - int imw, imh, screen_width, screen_height; - int useGlobalColormap; - int bitPixel; - int ZeroDataBlock = FALSE; - int haveGlobalColormap; - gGraphImagePtr img = NULL; - if (!ReadOK (fd, buf, 6)) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - if (strncmp ((char *) buf, "GIF", 3) != 0) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - if (memcmp ((char *) buf + 3, "87a", 3) == 0 - || memcmp ((char *) buf + 3, "89a", 3) == 0) - ; - else - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - if (!ReadOK (fd, buf, 7)) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - BitPixel = 2 << (buf[4] & 0x07); - screen_width = imw = LM_to_uint (buf[0], buf[1]); - screen_height = imh = LM_to_uint (buf[2], buf[3]); - haveGlobalColormap = BitSet (buf[4], LOCALCOLORMAP); /* Global Colormap */ - if (haveGlobalColormap) - { - if (ReadColorMap (fd, BitPixel, ColorMap)) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - } - for (;;) - { - int top, left; - int width, height; - if (!ReadOK (fd, &c, 1)) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - if (c == ';') - { - goto terminated; - } - - if (c == '!') - { - if (!ReadOK (fd, &c, 1)) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - DoExtension (fd, c, &Transparent, &ZeroDataBlock); - continue; - } - - if (c != ',') - { - continue; - } - if (!ReadOK (fd, buf, 9)) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - useGlobalColormap = !BitSet (buf[8], LOCALCOLORMAP); - bitPixel = 1 << ((buf[8] & 0x07) + 1); - left = LM_to_uint (buf[0], buf[1]); - top = LM_to_uint (buf[2], buf[3]); - width = LM_to_uint (buf[4], buf[5]); - height = LM_to_uint (buf[6], buf[7]); - if (left + width > screen_width || top + height > screen_height) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - if (! - (img = - gg_image_create (GG_PIXEL_PALETTE, width, height, bitPixel, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL))) - { - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } - if (!useGlobalColormap) - { - if (ReadColorMap (fd, bitPixel, localColorMap)) - { - gg_image_destroy (img); - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - ReadImage (img, fd, localColorMap, - BitSet (buf[8], INTERLACE), &ZeroDataBlock); - } - else - { - if (!haveGlobalColormap) - { - gg_image_destroy (img); - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - ReadImage (img, fd, - ColorMap, - BitSet (buf[8], INTERLACE), &ZeroDataBlock); - } - } - terminated: - if (!img) - { - *errcode = GGRAPH_GIF_CODEC_ERROR; - return NULL; - } - return img; -} - -static int -xgdImageGifCtx (gGraphImagePtr img, xgdIOCtxPtr out, int is_transparent) -{ - int BitsPerPixel; - int Red[256]; - int Green[256]; - int Blue[256]; - int i, colors; - int transparent_idx = -1; - if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - /* generating a GRAYSCALE palette */ - colors = 256; - for (i = 0; i < 256; i++) - { - Red[i] = i; - Green[i] = i; - Blue[i] = i; - } - } - else - { - /* copying the PALETTE from image */ - colors = 0; - for (i = 0; i < img->max_palette; ++i) - { - Red[i] = img->palette_red[i]; - Green[i] = img->palette_green[i]; - Blue[i] = img->palette_blue[i]; - colors++; - } - } - BitsPerPixel = colorstobpp (colors); - if (is_transparent) - { - /* identifying the Transparent Color Index */ - for (i = 0; i < colors; ++i) - { - if (Red[i] == img->transparent_red - && Green[i] == img->transparent_green - && Blue[i] == img->transparent_blue) - transparent_idx = i; - } - } - return GIFEncode (out, 0, 0, transparent_idx, BitsPerPixel, Red, Green, - Blue, img); -} - -GGRAPH_PRIVATE int -gg_image_to_gif (const gGraphImagePtr img, void **mem_buf, int *mem_buf_size, - FILE * file, int dest_type, int is_transparent) -{ -/* compressing an image as GIF */ - int ret; - void *rv; - int size; - xgdIOCtx *out; - -/* checkings args for validity */ - if (dest_type == GG_TARGET_IS_FILE) - { - if (!file) - return GGRAPH_ERROR; - } - else - { - if (!mem_buf || !mem_buf_size) - return GGRAPH_ERROR; - *mem_buf = NULL; - *mem_buf_size = 0; - } - - if (dest_type == GG_TARGET_IS_FILE) - out = xgdNewDynamicCtx (0, file, dest_type); - else - out = xgdNewDynamicCtx (2048, NULL, dest_type); - ret = xgdImageGifCtx (img, out, is_transparent); - if (dest_type == GG_TARGET_IS_FILE) - { - out->xgd_free (out); - return ret; - } - - if (ret == GGRAPH_OK) - rv = xgdDPExtractData (out, &size); - out->xgd_free (out); - *mem_buf = rv; - *mem_buf_size = size; - return ret; -} - -GGRAPH_PRIVATE int -gg_image_from_gif (int size, const void *data, int source_type, - gGraphImagePtr * image_handle) -{ -/* uncompressing a GIF */ - int errcode = GGRAPH_OK; - gGraphImagePtr img; - xgdIOCtx *in = - xgdNewDynamicCtxEx (size, data, XGD_CTX_DONT_FREE, source_type); - img = xgdImageCreateFromGifCtx (in, &errcode); - in->xgd_free (in); - *image_handle = img; - return errcode; -} - -GGRAPH_PRIVATE int -gg_image_infos_from_gif (int size, const void *data, int source_type, - gGraphImageInfosPtr * infos_handle) -{ -/* image infos from GIF */ - int errcode = GGRAPH_OK; - gGraphImageInfosPtr infos; - xgdIOCtx *in = - xgdNewDynamicCtxEx (size, data, XGD_CTX_DONT_FREE, source_type); - infos = xgdImageInfosFromGifCtx (in, &errcode); - in->xgd_free (in); - *infos_handle = infos; - return errcode; -} DELETED src/gaiagraphics_grids.c Index: src/gaiagraphics_grids.c ================================================================== --- src/gaiagraphics_grids.c +++ src/gaiagraphics_grids.c @@ -1,2625 +0,0 @@ -/* -/ gaiagraphics_grids.c -/ -/ GRIDS auxiliary helpers -/ -/ version 1.0, 2010 July 20 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2010 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include -#include -#include - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -#define GRID_HGT_3 1 -#define GRID_HGT_1 2 -#define GRID_BIN_HDR 3 -#define GRID_FLT_HDR 4 -#define GRID_DEM_HDR 5 -#define GRID_ASCII 6 - -struct grid_codec_data -{ -/* a struct used by GRID codec */ - int grid_type; - int is_writer; - int little_endian; - void *grid_buffer; - long *row_offsets; -}; - -GGRAPH_PRIVATE int -gg_image_strip_prepare_from_hgt (FILE * in, int lon, int lat, - gGraphStripImagePtr * image_handle) -{ -/* preparing to decode an HGT-GRID [by strips] */ - gGraphStripImagePtr img = NULL; - struct grid_codec_data *grid_codec = NULL; - long file_length; - int type; - int width; - int height; - double pixel_size; - double half_pixel; - int buf_size; - void *grid_buffer = NULL; - int ret = GGRAPH_HGT_CODEC_ERROR; - *image_handle = NULL; - -/* retrieving the HGT dimensions */ - if (fseek (in, 0, SEEK_END) != 0) - return GGRAPH_HGT_CODEC_ERROR; - file_length = ftell (in); - if (file_length == (1201 * 1201 * sizeof (short))) - { - type = GRID_HGT_3; - width = 1201; - height = 1201; - pixel_size = 1.0 / 1200.0; - } - else if (file_length == (3601 * 3601 * sizeof (short))) - { - type = GRID_HGT_1; - width = 3601; - height = 3601; - pixel_size = 1.0 / 3600.0; - } - else - return GGRAPH_HGT_CODEC_ERROR; - - img = - gg_strip_image_create (in, GGRAPH_IMAGE_HGT, GG_PIXEL_GRID, width, - height, 16, 1, GGRAPH_SAMPLE_INT, "WGS 84", - "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs"); - if (!img) - { - ret = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } -/* setting up georeferencing infos */ - half_pixel = pixel_size / 2.0; - img->is_georeferenced = 1; - img->srid = 4326; - img->upper_left_x = (double) lon - half_pixel; - img->upper_left_y = (double) lat + 1.0 + half_pixel; - img->pixel_x_size = pixel_size; - img->pixel_y_size = pixel_size; - img->no_data_value = SHRT_MIN; - -/* setting up the GRID codec struct */ - grid_codec = malloc (sizeof (struct grid_codec_data)); - if (!grid_codec) - goto error; - grid_codec->grid_type = type; - grid_codec->is_writer = 0; - grid_codec->grid_buffer = NULL; - grid_codec->row_offsets = NULL; - img->codec_data = grid_codec; - -/* allocating the GRID read buffer */ - buf_size = sizeof (short) * width; - grid_buffer = malloc (buf_size); - if (!grid_buffer) - goto error; - grid_codec->grid_buffer = grid_buffer; - - *image_handle = img; - return GGRAPH_OK; - - error: - if (img) - gGraphDestroyImage (img); - return ret; -} - -GGRAPH_PRIVATE void -gg_grid_codec_destroy (void *p) -{ -/* destroyng the GRID codec data */ - struct grid_codec_data *codec = (struct grid_codec_data *) p; - if (!codec) - return; - if (codec->grid_buffer) - free (codec->grid_buffer); - if (codec->row_offsets) - free (codec->row_offsets); - free (codec); -} - -static int -read_from_hgt (FILE * in, gGraphStripImagePtr img, void *scanline) -{ -/* decoding an HGT-GRID [by strip] */ - int width = img->width; - int height = img->height; - size_t scan_size = width * 2; - int row; - int incr = 0; - int x; - int endian_arch = gg_endian_arch (); - off_t pos = img->next_row * scan_size; - unsigned char *p_in; - short *p_out; - short cell_value; - -/* positioning on the start scanline */ - if (fseek (in, pos, SEEK_SET) != 0) - return GGRAPH_HGT_CODEC_ERROR; - for (row = 0; row < img->rows_per_block; row++) - { - /* reading the required number of scanlines */ - if ((row + img->next_row) >= height) - break; - if (fread (scanline, 1, scan_size, in) != scan_size) - return GGRAPH_HGT_CODEC_ERROR; - p_in = scanline; - p_out = (short *) (img->pixels); - p_out += (row * width); - for (x = 0; x < width; x++) - { - cell_value = gg_import_int16 (p_in, 0, endian_arch); - *p_out++ = cell_value; - p_in += sizeof (short); - } - incr++; - } - img->next_row += incr; - img->current_available_rows = incr; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_strip_read_from_hgt (gGraphStripImagePtr img, int *progress) -{ -/* decoding an HGT-GRID [by strip] */ - struct grid_codec_data *grid_codec = - (struct grid_codec_data *) (img->codec_data); - FILE *in = img->file_handle; - - if (grid_codec->grid_type == GRID_HGT_1 - || grid_codec->grid_type == GRID_HGT_3) - { - int ret = read_from_hgt (in, img, grid_codec->grid_buffer); - if (ret == GGRAPH_OK && progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return ret; - } - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphCheckHgtPath (const char *path, int *lat, int *lon) -{ -/* checking for HGT format - retrieving coord from path */ - char file_name[1024]; - char coord_lat[8]; - char coord_lon[8]; - int lat_sign = 1; - int lon_sign = 1; - int i; - int start = 0; - - for (i = strlen (path) - 1; i >= 0; i--) - { - /* attempting to extract the file name */ - if (path[i] == '/' || path[i] == '\\') - { - start = i + 1; - break; - } - } - strcpy (file_name, path + start); - - if (strlen (file_name) != 11) - return GGRAPH_ERROR; - if (file_name[0] == 'N') - ; - else if (file_name[0] == 'S') - lat_sign = -1; - else - return GGRAPH_ERROR; - if (file_name[1] >= '0' && file_name[1] <= '9') - coord_lat[0] = file_name[1]; - else - return GGRAPH_ERROR; - if (file_name[2] >= '0' && file_name[2] <= '9') - { - coord_lat[1] = file_name[2]; - coord_lat[2] = '\0'; - } - else - return GGRAPH_ERROR; - if (file_name[3] == 'E') - ; - else if (file_name[3] == 'W') - lon_sign = -1; - else - return GGRAPH_ERROR; - if (file_name[4] >= '0' && file_name[4] <= '9') - coord_lon[0] = file_name[4]; - else - return GGRAPH_ERROR; - if (file_name[5] >= '0' && file_name[5] <= '9') - coord_lon[1] = file_name[5]; - if (file_name[6] >= '0' && file_name[6] <= '9') - { - coord_lon[2] = file_name[6]; - coord_lon[3] = '\0'; - } - else - return GGRAPH_ERROR; - if (file_name[7] != '.') - return GGRAPH_ERROR; - if (file_name[8] != 'h') - return GGRAPH_ERROR; - if (file_name[9] != 'g') - return GGRAPH_ERROR; - if (file_name[10] != 't') - return GGRAPH_ERROR; -/* ok, it's an HGT file */ - *lat = atoi (coord_lat) * lat_sign; - *lon = atoi (coord_lon) * lon_sign; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageInfosFromHgtFile (const char *path, int lat, int lon, - const void **infos_handle) -{ -/* retrieving Image infos from HGT file */ - FILE *in = NULL; - gGraphImageInfosPtr infos = NULL; - long file_length; - int width; - int height; - double pixel_size; - double half_pixel; - - *infos_handle = NULL; - -/* attempting to open the image file */ - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - -/* retrieving the HGT dimensions */ - if (fseek (in, 0, SEEK_END) != 0) - return GGRAPH_HGT_CODEC_ERROR; - file_length = ftell (in); - if (file_length == (1201 * 1201 * sizeof (short))) - { - width = 1201; - height = 1201; - pixel_size = 1.0 / 1200.0; - } - else if (file_length == (3601 * 3601 * sizeof (short))) - { - width = 3601; - height = 3601; - pixel_size = 1.0 / 3600.0; - } - else - { - fclose (in); - return GGRAPH_HGT_CODEC_ERROR; - } - fclose (in); - - infos = - gg_image_infos_create (GG_PIXEL_GRID, width, height, 16, 1, - GGRAPH_SAMPLE_INT, "WGS 84", - "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs"); - if (!infos) - return GGRAPH_INSUFFICIENT_MEMORY; - -/* setting up georeferencing infos */ - half_pixel = pixel_size / 2.0; - infos->is_georeferenced = 1; - infos->srid = 4326; - infos->upper_left_x = (double) lon - half_pixel; - infos->upper_left_y = (double) lat + 1.0 + half_pixel; - infos->pixel_x_size = pixel_size; - infos->pixel_y_size = pixel_size; - infos->no_data_value = SHRT_MIN; - - *infos_handle = infos; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphCheckBinPath (const char *path, char *hdr_path, int dont_test) -{ -/* checking for BIN+HDR format */ - char naked_path[1024]; - int i; - int start = 0; - FILE *in; - - *hdr_path = '\0'; - for (i = strlen (path) - 1; i >= 0; i--) - { - /* attempting to extract the file name */ - if (path[i] == '.') - { - start = i; - break; - } - } - strcpy (naked_path, path); - if (strcasecmp (path + start, ".bin") != 0) - return GGRAPH_ERROR; - naked_path[start] = '\0'; - strcat (naked_path, ".hdr"); - if (dont_test) - { - strcpy (hdr_path, naked_path); - return GGRAPH_OK; - } - - in = fopen (naked_path, "rb"); - if (in != NULL) - { - fclose (in); - strcpy (hdr_path, naked_path); - return GGRAPH_OK; - } - naked_path[start] = '\0'; - strcat (naked_path, ".HDR"); - in = fopen (naked_path, "rb"); - if (in != NULL) - { - fclose (in); - strcpy (hdr_path, naked_path); - return GGRAPH_OK; - } - - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphCheckFltPath (const char *path, char *hdr_path, int dont_test) -{ -/* checking for FLT+HDR format */ - char naked_path[1024]; - int i; - int start = 0; - FILE *in; - - *hdr_path = '\0'; - for (i = strlen (path) - 1; i >= 0; i--) - { - /* attempting to extract the file name */ - if (path[i] == '.') - { - start = i; - break; - } - } - strcpy (naked_path, path); - if (strcasecmp (path + start, ".flt") != 0) - return GGRAPH_ERROR; - naked_path[start] = '\0'; - strcat (naked_path, ".hdr"); - if (dont_test) - { - strcpy (hdr_path, naked_path); - return GGRAPH_OK; - } - - in = fopen (naked_path, "rb"); - if (in != NULL) - { - fclose (in); - strcpy (hdr_path, naked_path); - return GGRAPH_OK; - } - naked_path[start] = '\0'; - strcat (naked_path, ".HDR"); - in = fopen (naked_path, "rb"); - if (in != NULL) - { - fclose (in); - strcpy (hdr_path, naked_path); - return GGRAPH_OK; - } - - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphCheckDemPath (const char *path, char *hdr_path, int dont_test) -{ -/* checking for DEM+HDR format */ - char naked_path[1024]; - int i; - int start = 0; - FILE *in; - - *hdr_path = '\0'; - for (i = strlen (path) - 1; i >= 0; i--) - { - /* attempting to extract the file name */ - if (path[i] == '.') - { - start = i; - break; - } - } - strcpy (naked_path, path); - if (strcasecmp (path + start, ".dem") != 0) - return GGRAPH_ERROR; - naked_path[start] = '\0'; - strcat (naked_path, ".hdr"); - if (dont_test) - { - strcpy (hdr_path, naked_path); - return GGRAPH_OK; - } - - in = fopen (naked_path, "rb"); - if (in != NULL) - { - fclose (in); - strcpy (hdr_path, naked_path); - return GGRAPH_OK; - } - naked_path[start] = '\0'; - strcat (naked_path, ".HDR"); - in = fopen (naked_path, "rb"); - if (in != NULL) - { - fclose (in); - strcpy (hdr_path, naked_path); - return GGRAPH_OK; - } - - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphCheckAscPath (const char *path) -{ -/* checking for ASC format */ - int i; - int start = 0; - - for (i = strlen (path) - 1; i >= 0; i--) - { - /* attempting to extract the file name */ - if (path[i] == '.') - { - start = i; - break; - } - } - if (strcasecmp (path + start, ".asc") != 0) - return GGRAPH_ERROR; - return GGRAPH_OK; -} - -static char * -string_tokenizer (char *string, char *delimiters, char **ptr) -{ -/* breaking a string into distinct tokens */ - char *start = NULL; - char *p; - if (*ptr != NULL) - p = *ptr; - else - p = string; - - if (p == NULL) - return NULL; - - while (1) - { - int sep = 0; - char *pd = delimiters; - - if (*p == '\0') - { - /* last token end */ - *ptr = p; - break; - } - - while (*pd != '\0') - { - if (*p == *pd) - { - /* found a separator char */ - sep = 1; - break; - } - pd++; - } - if (sep) - { - if (start) - { - /* token end */ - *p = '\0'; - *ptr = p + 1; - break; - } - } - else - { - if (!start) - { - /* token start */ - start = p; - } - } - p++; - } - - return start; -} - -static int -cvtToInt (const char *str, int *value) -{ -/* attempting to convert from string to int */ - const char *p = str; - int error = 0; - int digits = 0; - int sign = 0; - while (*p != '\0') - { - if (*p >= '0' && *p <= '9') - digits++; - else if (*p == '-' || *p == '+') - { - if (digits == 0) - sign++; - else - error = 1; - } - else - error = 1; - p++; - } - if (digits > 0 && sign < 2 && error == 0) - { - *value = atoi (str); - return 1; - } - return 0; -} - -static int -cvtToDouble (const char *str, double *value) -{ -/* attempting to convert from string to double */ - const char *p = str; - int error = 0; - int digits = 0; - int comma = 0; - int sign = 0; - while (*p != '\0') - { - if (*p >= '0' && *p <= '9') - digits++; - else if (*p == '.') - comma++; - else if (*p == '-' || *p == '+') - { - if (digits == 0) - sign++; - else - error = 1; - } - else - error = 1; - p++; - } - if (digits > 0 && sign < 2 && comma < 2 && error == 0) - { - *value = atof (str); - return 1; - } - return 0; -} - -static int -parse_binflt_hdr (const char *hdr_path, int *width, int *height, - int *bits_per_sample, int *sample, int *endian, - double *no_data, double *min, double *max, double *ulx, - double *uly, double *pixel_x_size, double *pixel_y_size, - int *expected_length) -{ -/* parsing an HDR file [BIN or FLT format] */ - FILE *hdr = NULL; - int s_width = INT_MIN; - int s_height = INT_MIN; - int sample_format = GGRAPH_SAMPLE_UNKNOWN; - int sample_bits = INT_MIN; - double no_data_value = DBL_MAX; - double x_pixel_size = DBL_MAX; - double y_pixel_size = DBL_MAX; - double lower_left_x = DBL_MAX; - double lower_left_y = DBL_MAX; - double min_value = DBL_MAX; - double max_value = DBL_MIN; - int little_endian = 0; - int c; - int i_tk; - char *saveptr; - char hdr_buf[1024]; - char *token; - char keyword[1024]; - char value[1024]; - char *p_hdr; - int cvt_int; - double cvt_dbl; - int x_centered; - int y_centered; - double half_pixel; - -/* opening the HDR header file */ - hdr = fopen (hdr_path, "rb"); - if (hdr == NULL) - return 0; - - p_hdr = hdr_buf; - while ((c = getc (hdr)) != EOF) - { - /* parsing the Header file */ - if (c == '\r') - continue; - if (c == '\n') - { - *p_hdr = '\0'; - if (*hdr_buf == '\0') - { - /* skipping empty lines */ - p_hdr = hdr_buf; - continue; - } - /* breaking the string into separate tokens */ - i_tk = 0; - saveptr = NULL; - while (1) - { - token = string_tokenizer (hdr_buf, " \t", &saveptr); - if (token == NULL) - break; - if (*token == '\0') - continue; - if (i_tk == 0) - { - strcpy (keyword, token); - i_tk++; - continue; - } - - strcpy (value, token); - i_tk++; - } - - if (i_tk != 2) - goto stop; - if (strcasecmp (keyword, "BYTEORDER") == 0) - { - if (strcasecmp (value, "LSBFIRST") == 0) - little_endian = 1; - else - little_endian = 0; - } - else if (strcasecmp (keyword, "NROWS") == 0) - { - if (!cvtToInt (value, &cvt_int)) - goto stop; - s_height = cvt_int; - } - else if (strcasecmp (keyword, "NCOLS") == 0) - { - if (!cvtToInt (value, &cvt_int)) - goto stop; - s_width = cvt_int; - } - else if (strcasecmp (keyword, "NUMBERTYPE") == 0) - { - if (strcasecmp (value, "2_BYTE_INTEGER") == 0) - { - sample_format = GGRAPH_SAMPLE_INT; - sample_bits = 16; - } - else if (strcasecmp (value, "4_BYTE_INTEGER") == 0) - { - sample_format = GGRAPH_SAMPLE_INT; - sample_bits = 32; - } - else if (strcasecmp (value, "4_BYTE_FLOAT") == 0) - { - sample_format = GGRAPH_SAMPLE_FLOAT; - sample_bits = 32; - } - else if (strcasecmp (value, "8_BYTE_FLOAT") == 0) - { - sample_format = GGRAPH_SAMPLE_FLOAT; - sample_bits = 64; - } - else - goto stop; - } - else if (strcasecmp (keyword, "NODATA_VALUE") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - no_data_value = cvt_dbl; - } - else if (strcasecmp (keyword, "XLLCENTER") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - lower_left_x = cvt_dbl; - x_centered = 1; - } - else if (strcasecmp (keyword, "XLLCORNER") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - lower_left_x = cvt_dbl; - x_centered = 0; - } - else if (strcasecmp (keyword, "YLLCENTER") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - lower_left_y = cvt_dbl; - y_centered = 1; - } - else if (strcasecmp (keyword, "YLLCORNER") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - lower_left_y = cvt_dbl; - y_centered = 0; - } - else if (strcasecmp (keyword, "CELLSIZE") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - x_pixel_size = cvt_dbl; - y_pixel_size = cvt_dbl; - } - else if (strcasecmp (keyword, "ZUNITS") == 0) - { - /* ignoring */ - } - else if (strcasecmp (keyword, "MIN_VALUE") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - min_value = cvt_dbl; - } - else if (strcasecmp (keyword, "MAX_VALUE") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - max_value = cvt_dbl; - } - else - { - /* unrecognized tag */ - goto stop; - } - p_hdr = hdr_buf; - continue; - } - *p_hdr++ = c; - if (p_hdr - hdr_buf > 1024) - goto stop; - } - fclose (hdr); - hdr = NULL; - - if (s_width <= 0 || s_height <= 0 || sample_bits <= 0) - goto stop; - if (sample_format == GGRAPH_SAMPLE_UNKNOWN) - goto stop; - if (no_data_value == INT_MAX) - goto stop; - if (x_pixel_size == DBL_MAX || y_pixel_size == DBL_MAX) - goto stop; - if (lower_left_x == DBL_MAX || lower_left_y == DBL_MAX) - goto stop; - if (min_value == DBL_MAX || max_value == DBL_MIN) - goto stop; - - *width = s_width; - *height = s_height; - *sample = sample_format; - *bits_per_sample = sample_bits; - *endian = little_endian; - *no_data = no_data_value; - *ulx = lower_left_x; - half_pixel = x_pixel_size / 2.0; - if (x_centered) - *ulx -= half_pixel; - *uly = lower_left_y + ((double) s_height * y_pixel_size); - half_pixel = y_pixel_size / 2.0; - if (y_centered) - *uly += half_pixel; - *pixel_x_size = x_pixel_size; - *pixel_y_size = y_pixel_size; - *min = min_value; - *max = max_value; - if (sample_bits == 16) - *expected_length = s_width * s_height * 2; - else if (sample_bits == 32) - *expected_length = s_width * s_height * 4; - else if (sample_bits == 64) - *expected_length = s_width * s_height * 8; - else - *expected_length = -1; - return 1; - - stop: - if (hdr) - fclose (hdr); - return 0; -} - -GGRAPH_DECLARE int -gGraphImageInfosFromBinFile (const char *path, const char *hdr_path, - const void **infos_handle) -{ -/* retrieving Image infos from BIN+HDR file */ - FILE *in = NULL; - gGraphImageInfosPtr infos = NULL; - long file_length; - int expected_length; - int width; - int height; - double ulx; - double uly; - double pixel_x_size; - double pixel_y_size; - int sample; - int bits_per_sample; - int endian; - double no_data; - double min; - double max; - - *infos_handle = NULL; - - if (!parse_binflt_hdr - (hdr_path, &width, &height, &bits_per_sample, &sample, &endian, - &no_data, &min, &max, &ulx, &uly, &pixel_x_size, &pixel_y_size, - &expected_length)) - return GGRAPH_BIN_CODEC_ERROR; - -/* attempting to open the image file */ - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - -/* retrieving the BIN dimensions */ - if (fseek (in, 0, SEEK_END) != 0) - return GGRAPH_BIN_CODEC_ERROR; - file_length = ftell (in); - if (file_length != expected_length) - { - fclose (in); - return GGRAPH_BIN_CODEC_ERROR; - } - fclose (in); - - infos = - gg_image_infos_create (GG_PIXEL_GRID, width, height, bits_per_sample, 1, - sample, NULL, NULL); - if (!infos) - return GGRAPH_INSUFFICIENT_MEMORY; - -/* setting up georeferencing infos */ - infos->is_georeferenced = 1; - infos->upper_left_x = ulx; - infos->upper_left_y = uly; - infos->pixel_x_size = pixel_x_size; - infos->pixel_y_size = pixel_y_size; - infos->no_data_value = no_data; - infos->min_value = min; - infos->max_value = max; - - *infos_handle = infos; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageInfosFromFltFile (const char *path, const char *hdr_path, - const void **infos_handle) -{ -/* retrieving Image infos from FLT+HDR file */ - FILE *in = NULL; - gGraphImageInfosPtr infos = NULL; - long file_length; - int expected_length; - int width; - int height; - double ulx; - double uly; - double pixel_x_size; - double pixel_y_size; - int sample; - int bits_per_sample; - int endian; - double no_data; - double min; - double max; - - *infos_handle = NULL; - - if (!parse_binflt_hdr - (hdr_path, &width, &height, &bits_per_sample, &sample, &endian, - &no_data, &min, &max, &ulx, &uly, &pixel_x_size, &pixel_y_size, - &expected_length)) - return GGRAPH_FLT_CODEC_ERROR; - -/* attempting to open the image file */ - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - -/* retrieving the FLT dimensions */ - if (fseek (in, 0, SEEK_END) != 0) - return GGRAPH_FLT_CODEC_ERROR; - file_length = ftell (in); - if (file_length != expected_length) - { - fclose (in); - return GGRAPH_FLT_CODEC_ERROR; - } - fclose (in); - - infos = - gg_image_infos_create (GG_PIXEL_GRID, width, height, bits_per_sample, 1, - sample, NULL, NULL); - if (!infos) - return GGRAPH_INSUFFICIENT_MEMORY; - -/* setting up georeferencing infos */ - infos->is_georeferenced = 1; - infos->upper_left_x = ulx; - infos->upper_left_y = uly; - infos->pixel_x_size = pixel_x_size; - infos->pixel_y_size = pixel_y_size; - infos->no_data_value = no_data; - infos->min_value = min; - infos->max_value = max; - - *infos_handle = infos; - return GGRAPH_OK; -} - -static int -parse_dem_hdr (const char *hdr_path, int *width, int *height, - int *bits_per_sample, int *sample, int *endian, double *no_data, - double *ulx, double *uly, double *pixel_x_size, - double *pixel_y_size, int *expected_length) -{ -/* parsing an HDR file [DEM format] */ - FILE *hdr = NULL; - int s_width = INT_MIN; - int s_height = INT_MIN; - int sample_format = GGRAPH_SAMPLE_UNKNOWN; - int sample_bits = INT_MIN; - double no_data_value = DBL_MAX; - double x_pixel_size = DBL_MAX; - double y_pixel_size = DBL_MAX; - double upper_left_x = DBL_MAX; - double upper_left_y = DBL_MAX; - int band_row_bytes = INT_MIN; - int total_row_bytes = INT_MIN; - int little_endian = 0; - int c; - int i_tk; - char *saveptr; - char hdr_buf[1024]; - char *token; - char keyword[1024]; - char value[1024]; - char *p_hdr; - int cvt_int; - double cvt_dbl; - -/* opening the HDR header file */ - hdr = fopen (hdr_path, "rb"); - if (hdr == NULL) - return 0; - - p_hdr = hdr_buf; - while ((c = getc (hdr)) != EOF) - { - /* parsing the Header file */ - if (c == '\r' || c == '\n') - { - *p_hdr = '\0'; - if (*hdr_buf == '\0') - { - /* skipping empty lines */ - p_hdr = hdr_buf; - continue; - } - /* breaking the string into separate tokens */ - i_tk = 0; - saveptr = NULL; - while (1) - { - token = string_tokenizer (hdr_buf, " \t", &saveptr); - if (token == NULL) - break; - if (*token == '\0') - continue; - if (i_tk == 0) - { - strcpy (keyword, token); - i_tk++; - continue; - } - - strcpy (value, token); - i_tk++; - } - - if (i_tk != 2) - goto stop; - if (strcasecmp (keyword, "BYTEORDER") == 0) - { - if (strcasecmp (value, "M") == 0) - little_endian = 0; - else - little_endian = 1; - } - else if (strcasecmp (keyword, "LAYOUT") == 0) - { - /* Bands organization: only Band Interleave by Line is supported */ - if (strcasecmp (value, "BIL") != 0) - goto stop; - } - else if (strcasecmp (keyword, "NROWS") == 0) - { - if (!cvtToInt (value, &cvt_int)) - goto stop; - s_height = cvt_int; - } - else if (strcasecmp (keyword, "NCOLS") == 0) - { - if (!cvtToInt (value, &cvt_int)) - goto stop; - s_width = cvt_int; - } - else if (strcasecmp (keyword, "NBANDS") == 0) - { - /* expected: 1 band */ - if (!cvtToInt (value, &cvt_int)) - goto stop; - if (cvt_int != 1) - goto stop; - } - else if (strcasecmp (keyword, "NBITS") == 0) - { - /* expected: 16 or 32 bit ints */ - if (!cvtToInt (value, &cvt_int)) - goto stop; - if (cvt_int == 16) - { - sample_format = GGRAPH_SAMPLE_INT; - sample_bits = 16; - } - else if (cvt_int == 32) - { - sample_format = GGRAPH_SAMPLE_INT; - sample_bits = 32; - } - else - goto stop; - } - else if (strcasecmp (keyword, "BANDROWBYTES") == 0) - { - if (!cvtToInt (value, &cvt_int)) - goto stop; - band_row_bytes = cvt_int; - } - else if (strcasecmp (keyword, "TOTALROWBYTES") == 0) - { - if (!cvtToInt (value, &cvt_int)) - goto stop; - total_row_bytes = cvt_int; - } - else if (strcasecmp (keyword, "BANDGAPBYTES") == 0) - { - /* expected: 0 bytes between bands */ - if (!cvtToInt (value, &cvt_int)) - goto stop; - if (cvt_int != 0) - goto stop; - } - else if (strcasecmp (keyword, "NODATA") == 0) - { - if (!cvtToInt (value, &cvt_int)) - goto stop; - no_data_value = cvt_int; - } - else if (strcasecmp (keyword, "ULXMAP") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - upper_left_x = cvt_dbl; - } - else if (strcasecmp (keyword, "ULYMAP") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - upper_left_y = cvt_dbl; - } - else if (strcasecmp (keyword, "XDIM") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - x_pixel_size = cvt_dbl; - } - else if (strcasecmp (keyword, "YDIM") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - y_pixel_size = cvt_dbl; - } - else - { - /* unrecognized tag */ - goto stop; - } - p_hdr = hdr_buf; - continue; - } - *p_hdr++ = c; - if (p_hdr - hdr_buf > 1024) - goto stop; - } - fclose (hdr); - hdr = NULL; - - if (s_width <= 0 || s_height <= 0 || sample_bits <= 0) - goto stop; - if (sample_format == GGRAPH_SAMPLE_UNKNOWN) - goto stop; - if (no_data_value == INT_MAX) - goto stop; - if (x_pixel_size == DBL_MAX || y_pixel_size == DBL_MAX) - goto stop; - if (upper_left_x == DBL_MAX || upper_left_y == DBL_MAX) - goto stop; - if (sample_bits == 16) - { - if (2 * s_width != band_row_bytes) - goto stop; - if (2 * s_width != total_row_bytes) - goto stop; - } - if (sample_bits == 32) - { - if (4 * s_width != band_row_bytes) - goto stop; - if (4 * s_width != total_row_bytes) - goto stop; - } - *width = s_width; - *height = s_height; - *sample = sample_format; - *bits_per_sample = sample_bits; - *endian = little_endian; - *no_data = no_data_value; - *ulx = upper_left_x; - *uly = upper_left_y; - *pixel_x_size = x_pixel_size; - *pixel_y_size = y_pixel_size; - if (sample_bits == 16) - *expected_length = s_width * s_height * 2; - else if (sample_bits == 32) - *expected_length = s_width * s_height * 4; - else - *expected_length = -1; - return 1; - - stop: - if (hdr) - fclose (hdr); - return 0; -} - -GGRAPH_DECLARE int -gGraphImageInfosFromDemFile (const char *path, const char *hdr_path, - const void **infos_handle) -{ -/* retrieving Image infos from DEM+HDR file */ - FILE *in = NULL; - gGraphImageInfosPtr infos = NULL; - long file_length; - int expected_length; - int width; - int height; - double ulx; - double uly; - double pixel_x_size; - double pixel_y_size; - int sample; - int bits_per_sample; - int endian; - double no_data; - - *infos_handle = NULL; - - if (!parse_dem_hdr - (hdr_path, &width, &height, &bits_per_sample, &sample, &endian, - &no_data, &ulx, &uly, &pixel_x_size, &pixel_y_size, &expected_length)) - return GGRAPH_FLT_CODEC_ERROR; - -/* attempting to open the image file */ - in = fopen (path, "rb"); - if (in == NULL) - return GGRAPH_FILE_OPEN_ERROR; - -/* retrieving the FLT dimensions */ - if (fseek (in, 0, SEEK_END) != 0) - return GGRAPH_FLT_CODEC_ERROR; - file_length = ftell (in); - if (file_length != expected_length) - { - fclose (in); - return GGRAPH_FLT_CODEC_ERROR; - } - fclose (in); - - infos = - gg_image_infos_create (GG_PIXEL_GRID, width, height, bits_per_sample, 1, - sample, NULL, NULL); - if (!infos) - return GGRAPH_INSUFFICIENT_MEMORY; - -/* setting up georeferencing infos */ - infos->is_georeferenced = 1; - infos->upper_left_x = ulx; - infos->upper_left_y = uly; - infos->pixel_x_size = pixel_x_size; - infos->pixel_y_size = pixel_y_size; - infos->no_data_value = no_data; - - *infos_handle = infos; - return GGRAPH_OK; -} - -static int -parse_asc_hdr (const char *path, FILE * file, int *width, int *height, - double *ulx, double *uly, double *pixel_x_size, - double *pixel_y_size, double *no_data) -{ -/* parsing an ASC file [ASCII GRID format] */ - FILE *hdr = NULL; - int s_width = INT_MIN; - int s_height = INT_MIN; - double x_pixel_size = DBL_MAX; - double y_pixel_size = DBL_MAX; - double lower_left_x = DBL_MAX; - double lower_left_y = DBL_MAX; - double no_data_value = DBL_MAX; - int c; - int i_tk; - char *saveptr; - char hdr_buf[1024]; - char *token; - char keyword[1024]; - char value[1024]; - char *p_hdr; - int cvt_int; - double cvt_dbl; - int x_centered; - int y_centered; - double half_pixel; - int row; - - if (path != NULL) - { - /* opening the ASC header file */ - hdr = fopen (path, "rb"); - } - else - hdr = file; - if (hdr == NULL) - return 0; - row = 0; - p_hdr = hdr_buf; - while ((c = getc (hdr)) != EOF) - { - /* parsing the Header file */ - if (c == '\r') - continue; - if (c == '\n') - { - row++; - *p_hdr = '\0'; - if (*hdr_buf == '\0') - { - /* skipping empty lines */ - p_hdr = hdr_buf; - continue; - } - /* breaking the string into separate tokens */ - i_tk = 0; - saveptr = NULL; - while (1) - { - token = string_tokenizer (hdr_buf, " \t", &saveptr); - if (token == NULL) - break; - if (*token == '\0') - continue; - if (i_tk == 0) - { - strcpy (keyword, token); - i_tk++; - continue; - } - - strcpy (value, token); - i_tk++; - } - - if (i_tk != 2) - goto stop; - if (strcasecmp (keyword, "NROWS") == 0) - { - if (!cvtToInt (value, &cvt_int)) - goto stop; - s_height = cvt_int; - } - else if (strcasecmp (keyword, "NCOLS") == 0) - { - if (!cvtToInt (value, &cvt_int)) - goto stop; - s_width = cvt_int; - } - else if (strcasecmp (keyword, "NODATA_VALUE") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - no_data_value = cvt_dbl; - } - else if (strcasecmp (keyword, "XLLCENTER") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - lower_left_x = cvt_dbl; - x_centered = 1; - } - else if (strcasecmp (keyword, "XLLCORNER") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - lower_left_x = cvt_dbl; - x_centered = 0; - } - else if (strcasecmp (keyword, "YLLCENTER") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - lower_left_y = cvt_dbl; - y_centered = 1; - } - else if (strcasecmp (keyword, "YLLCORNER") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - lower_left_y = cvt_dbl; - y_centered = 0; - } - else if (strcasecmp (keyword, "CELLSIZE") == 0) - { - if (!cvtToDouble (value, &cvt_dbl)) - goto stop; - x_pixel_size = cvt_dbl; - y_pixel_size = x_pixel_size; - } - else - { - /* unrecognized tag */ - goto stop; - } - p_hdr = hdr_buf; - if (row == 6) - break; - continue; - } - *p_hdr++ = c; - if (p_hdr - hdr_buf > 1024) - goto stop; - } - if (path != NULL) - fclose (hdr); - hdr = NULL; - - if (s_width <= 0 || s_height <= 0) - goto stop; - if (no_data_value == INT_MAX) - goto stop; - if (x_pixel_size == DBL_MAX || y_pixel_size == DBL_MAX) - goto stop; - if (lower_left_x == DBL_MAX || lower_left_y == DBL_MAX) - goto stop; - *width = s_width; - *height = s_height; - *no_data = no_data_value; - *ulx = lower_left_x; - half_pixel = x_pixel_size / 2.0; - if (x_centered) - *ulx -= half_pixel; - *uly = lower_left_y + ((double) s_height * y_pixel_size); - half_pixel = y_pixel_size / 2.0; - if (y_centered) - *uly += half_pixel; - *pixel_x_size = x_pixel_size; - *pixel_y_size = y_pixel_size; - return 1; - - stop: - if (path != NULL) - { - if (hdr) - fclose (hdr); - } - return 0; -} - -GGRAPH_DECLARE int -gGraphImageInfosFromAscFile (const char *path, const void **infos_handle) -{ -/* retrieving Image infos from ASC file */ - gGraphImageInfosPtr infos = NULL; - int width; - int height; - double ulx; - double uly; - double pixel_x_size; - double pixel_y_size; - double no_data; - - *infos_handle = NULL; - - if (!parse_asc_hdr - (path, NULL, &width, &height, &ulx, &uly, &pixel_x_size, &pixel_y_size, - &no_data)) - return GGRAPH_ASCII_CODEC_ERROR; - - infos = - gg_image_infos_create (GG_PIXEL_GRID, width, height, 32, 1, - GGRAPH_SAMPLE_FLOAT, NULL, NULL); - if (!infos) - return GGRAPH_INSUFFICIENT_MEMORY; - -/* setting up georeferencing infos */ - infos->is_georeferenced = 1; - infos->upper_left_x = ulx; - infos->upper_left_y = uly; - infos->pixel_x_size = pixel_x_size; - infos->pixel_y_size = pixel_y_size; - infos->no_data_value = no_data; - - *infos_handle = infos; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_strip_prepare_from_bin_hdr (FILE * in, const char *hdr_path, - gGraphStripImagePtr * image_handle) -{ -/* preparing to decode an BIN-GRID [by strips] */ - gGraphStripImagePtr img = NULL; - struct grid_codec_data *grid_codec = NULL; - long file_length; - int expected_length; - int width; - int height; - double ulx; - double uly; - double pixel_x_size; - double pixel_y_size; - int sample; - int bits_per_sample; - int endian; - double no_data; - double min; - double max; - int buf_size; - void *grid_buffer = NULL; - int ret = GGRAPH_BIN_CODEC_ERROR; - *image_handle = NULL; - - if (!parse_binflt_hdr - (hdr_path, &width, &height, &bits_per_sample, &sample, &endian, - &no_data, &min, &max, &ulx, &uly, &pixel_x_size, &pixel_y_size, - &expected_length)) - return GGRAPH_BIN_CODEC_ERROR; - -/* retrieving the BIN dimensions */ - if (fseek (in, 0, SEEK_END) != 0) - return GGRAPH_BIN_CODEC_ERROR; - file_length = ftell (in); - if (file_length != expected_length) - return GGRAPH_BIN_CODEC_ERROR; - - img = - gg_strip_image_create (in, GGRAPH_IMAGE_BIN_HDR, GG_PIXEL_GRID, width, - height, bits_per_sample, 1, sample, NULL, NULL); - if (!img) - { - ret = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - -/* setting up georeferencing infos */ - img->is_georeferenced = 1; - img->upper_left_x = ulx; - img->upper_left_y = uly; - img->pixel_x_size = pixel_x_size; - img->pixel_y_size = pixel_y_size; - img->no_data_value = no_data; - img->min_value = min; - img->max_value = max; - -/* setting up the GRID codec struct */ - grid_codec = malloc (sizeof (struct grid_codec_data)); - if (!grid_codec) - goto error; - grid_codec->grid_type = GRID_BIN_HDR; - grid_codec->is_writer = 0; - grid_codec->grid_buffer = NULL; - grid_codec->row_offsets = NULL; - grid_codec->little_endian = endian; - img->codec_data = grid_codec; - -/* allocating the GRID read buffer */ - if (sample == GGRAPH_SAMPLE_INT) - { - if (bits_per_sample == 16) - buf_size = sizeof (short) * width; - if (bits_per_sample == 32) - buf_size = sizeof (int) * width; - } - if (sample == GGRAPH_SAMPLE_FLOAT) - { - if (bits_per_sample == 32) - buf_size = sizeof (float) * width; - if (bits_per_sample == 64) - buf_size = sizeof (double) * width; - } - grid_buffer = malloc (buf_size); - if (!grid_buffer) - goto error; - grid_codec->grid_buffer = grid_buffer; - - *image_handle = img; - return GGRAPH_OK; - - error: - if (img) - gGraphDestroyImage (img); - return ret; -} - -GGRAPH_PRIVATE int -gg_image_strip_prepare_from_flt_hdr (FILE * in, const char *hdr_path, - gGraphStripImagePtr * image_handle) -{ -/* preparing to decode an FLT-GRID [by strips] */ - gGraphStripImagePtr img = NULL; - struct grid_codec_data *grid_codec = NULL; - long file_length; - int expected_length; - int width; - int height; - double ulx; - double uly; - double pixel_x_size; - double pixel_y_size; - int sample; - int bits_per_sample; - int endian; - double no_data; - double min; - double max; - int buf_size; - void *grid_buffer = NULL; - int ret = GGRAPH_FLT_CODEC_ERROR; - *image_handle = NULL; - - if (!parse_binflt_hdr - (hdr_path, &width, &height, &bits_per_sample, &sample, &endian, - &no_data, &min, &max, &ulx, &uly, &pixel_x_size, &pixel_y_size, - &expected_length)) - return GGRAPH_FLT_CODEC_ERROR; - -/* retrieving the FLT dimensions */ - if (fseek (in, 0, SEEK_END) != 0) - return GGRAPH_FLT_CODEC_ERROR; - file_length = ftell (in); - if (file_length != expected_length) - return GGRAPH_FLT_CODEC_ERROR; - - img = - gg_strip_image_create (in, GGRAPH_IMAGE_FLT_HDR, GG_PIXEL_GRID, width, - height, bits_per_sample, 1, sample, NULL, NULL); - if (!img) - { - ret = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - -/* setting up georeferencing infos */ - img->is_georeferenced = 1; - img->upper_left_x = ulx; - img->upper_left_y = uly; - img->pixel_x_size = pixel_x_size; - img->pixel_y_size = pixel_y_size; - img->no_data_value = no_data; - img->min_value = min; - img->max_value = max; - -/* setting up the GRID codec struct */ - grid_codec = malloc (sizeof (struct grid_codec_data)); - if (!grid_codec) - goto error; - grid_codec->grid_type = GRID_FLT_HDR; - grid_codec->is_writer = 0; - grid_codec->grid_buffer = NULL; - grid_codec->row_offsets = NULL; - grid_codec->little_endian = endian; - img->codec_data = grid_codec; - -/* allocating the GRID read buffer */ - if (sample == GGRAPH_SAMPLE_INT) - { - if (bits_per_sample == 16) - buf_size = sizeof (short) * width; - if (bits_per_sample == 32) - buf_size = sizeof (int) * width; - } - if (sample == GGRAPH_SAMPLE_FLOAT) - { - if (bits_per_sample == 32) - buf_size = sizeof (float) * width; - if (bits_per_sample == 64) - buf_size = sizeof (double) * width; - } - grid_buffer = malloc (buf_size); - if (!grid_buffer) - goto error; - grid_codec->grid_buffer = grid_buffer; - - *image_handle = img; - return GGRAPH_OK; - - error: - if (img) - gGraphDestroyImage (img); - return ret; -} - -GGRAPH_PRIVATE int -gg_image_strip_prepare_from_dem_hdr (FILE * in, const char *hdr_path, - gGraphStripImagePtr * image_handle) -{ -/* preparing to decode an DEM-GRID [by strips] */ - gGraphStripImagePtr img = NULL; - struct grid_codec_data *grid_codec = NULL; - long file_length; - int expected_length; - int width; - int height; - double ulx; - double uly; - double pixel_x_size; - double pixel_y_size; - int sample; - int bits_per_sample; - int endian; - double no_data; - int buf_size; - void *grid_buffer = NULL; - int ret = GGRAPH_DEM_CODEC_ERROR; - *image_handle = NULL; - - if (!parse_dem_hdr - (hdr_path, &width, &height, &bits_per_sample, &sample, &endian, - &no_data, &ulx, &uly, &pixel_x_size, &pixel_y_size, &expected_length)) - return GGRAPH_DEM_CODEC_ERROR; - -/* retrieving the DEM dimensions */ - if (fseek (in, 0, SEEK_END) != 0) - return GGRAPH_DEM_CODEC_ERROR; - file_length = ftell (in); - if (file_length != expected_length) - return GGRAPH_DEM_CODEC_ERROR; - - img = - gg_strip_image_create (in, GGRAPH_IMAGE_DEM_HDR, GG_PIXEL_GRID, width, - height, bits_per_sample, 1, sample, NULL, NULL); - if (!img) - { - ret = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - -/* setting up georeferencing infos */ - img->is_georeferenced = 1; - img->upper_left_x = ulx; - img->upper_left_y = uly; - img->pixel_x_size = pixel_x_size; - img->pixel_y_size = pixel_y_size; - img->no_data_value = no_data; - -/* setting up the GRID codec struct */ - grid_codec = malloc (sizeof (struct grid_codec_data)); - if (!grid_codec) - goto error; - grid_codec->grid_type = GRID_DEM_HDR; - grid_codec->is_writer = 0; - grid_codec->grid_buffer = NULL; - grid_codec->row_offsets = NULL; - grid_codec->little_endian = endian; - img->codec_data = grid_codec; - -/* allocating the GRID read buffer */ - if (bits_per_sample == 16) - buf_size = sizeof (short) * width; - if (bits_per_sample == 32) - buf_size = sizeof (int) * width; - grid_buffer = malloc (buf_size); - if (!grid_buffer) - goto error; - grid_codec->grid_buffer = grid_buffer; - - *image_handle = img; - return GGRAPH_OK; - - error: - if (img) - gGraphDestroyImage (img); - return ret; -} - -static int -parse_asc_offsets (FILE * in, int height, long **row_offsets) -{ -/* retrieving row-offsets from an ASC file [ASCII GRID format] */ - int c; - int row = 0; - int ind = 0; - long *offsets = *row_offsets; - long current = 0; - - rewind (in); - while ((c = getc (in)) != EOF) - { - /* parsing the Header file */ - if (c == '\n') - { - row++; - if (row >= 6) - { - if (ind < height) - *(offsets + ind) = current; - ind++; - } - } - current++; - } - if (ind != height + 1) - return 0; - return 1; -} - -GGRAPH_PRIVATE int -gg_image_strip_prepare_from_ascii_grid (FILE * in, - gGraphStripImagePtr * image_handle) -{ -/* preparing to decode an ASCII-GRID [by strips] */ - gGraphStripImagePtr img = NULL; - struct grid_codec_data *grid_codec = NULL; - int width; - int height; - double ulx; - double uly; - double pixel_x_size; - double pixel_y_size; - double no_data; - long *row_offsets = NULL; - int ret = GGRAPH_ASCII_CODEC_ERROR; - *image_handle = NULL; - - if (!parse_asc_hdr - (NULL, in, &width, &height, &ulx, &uly, &pixel_x_size, &pixel_y_size, - &no_data)) - return GGRAPH_ASCII_CODEC_ERROR; - -/* preparing the row-offset array */ - row_offsets = malloc (sizeof (long) * height); - if (!row_offsets) - return GGRAPH_ASCII_CODEC_ERROR; - if (!parse_asc_offsets (in, height, &row_offsets)) - { - free (row_offsets); - return GGRAPH_ASCII_CODEC_ERROR; - } - - img = - gg_strip_image_create (in, GGRAPH_IMAGE_ASCII_GRID, GG_PIXEL_GRID, - width, height, 32, 1, GGRAPH_SAMPLE_FLOAT, NULL, - NULL); - if (!img) - { - ret = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - -/* setting up georeferencing infos */ - img->is_georeferenced = 1; - img->upper_left_x = ulx; - img->upper_left_y = uly; - img->pixel_x_size = pixel_x_size; - img->pixel_y_size = pixel_y_size; - img->no_data_value = no_data; - -/* setting up the GRID codec struct */ - grid_codec = malloc (sizeof (struct grid_codec_data)); - if (!grid_codec) - goto error; - grid_codec->grid_type = GRID_ASCII; - grid_codec->is_writer = 0; - grid_codec->grid_buffer = NULL; - grid_codec->row_offsets = row_offsets; - img->codec_data = grid_codec; - - *image_handle = img; - return GGRAPH_OK; - - error: - if (img) - gGraphDestroyImage (img); - return ret; -} - -static int -read_from_bin_grid (FILE * in, gGraphStripImagePtr img, int sample, - int bits_per_pixel, int type, void *scanline, int endian) -{ -/* decoding a BIN-GRID or a FLT-GRID [by strip] */ - int width = img->width; - int height = img->height; - size_t scan_size; - int row; - int incr = 0; - int x; - int endian_arch = gg_endian_arch (); - off_t pos; - unsigned char *p_in; - short *p_out_short; - short cell_value_short; - int *p_out_int; - int cell_value_int; - float *p_out_float; - float cell_value_float; - double *p_out_double; - double cell_value_double; - - if (bits_per_pixel == 16) - scan_size = width * 2; - if (bits_per_pixel == 32) - scan_size = width * 4; - if (bits_per_pixel == 64) - scan_size = width * 8; - pos = img->next_row * scan_size; -/* positioning on the start scanline */ - if (fseek (in, pos, SEEK_SET) != 0) - { - if (type == GRID_BIN_HDR) - return GGRAPH_BIN_CODEC_ERROR; - if (type == GRID_FLT_HDR) - return GGRAPH_FLT_CODEC_ERROR; - if (type == GRID_DEM_HDR) - return GGRAPH_DEM_CODEC_ERROR; - } - for (row = 0; row < img->rows_per_block; row++) - { - /* reading the required number of scanlines */ - if ((row + img->next_row) >= height) - break; - if (fread (scanline, 1, scan_size, in) != scan_size) - return GGRAPH_HGT_CODEC_ERROR; - p_in = scanline; - if (sample == GGRAPH_SAMPLE_INT) - { - if (bits_per_pixel == 16) - { - p_out_short = (short *) (img->pixels); - p_out_short += (row * width); - } - - if (bits_per_pixel == 32) - { - p_out_int = (int *) (img->pixels); - p_out_int += (row * width); - } - } - if (sample == GGRAPH_SAMPLE_FLOAT) - { - if (bits_per_pixel == 32) - { - p_out_float = (float *) (img->pixels); - p_out_float += (row * width); - } - - if (bits_per_pixel == 64) - { - p_out_double = (double *) (img->pixels); - p_out_double += (row * width); - } - } - for (x = 0; x < width; x++) - { - if (sample == GGRAPH_SAMPLE_INT) - { - if (bits_per_pixel == 16) - { - cell_value_short = - gg_import_int16 (p_in, endian, endian_arch); - *p_out_short++ = cell_value_short; - p_in += sizeof (short); - } - if (bits_per_pixel == 32) - { - cell_value_int = - gg_import_int32 (p_in, endian, endian_arch); - *p_out_int++ = cell_value_int; - p_in += sizeof (int); - } - } - if (sample == GGRAPH_SAMPLE_FLOAT) - { - if (bits_per_pixel == 32) - { - cell_value_float = - gg_import_float (p_in, endian, endian_arch); - *p_out_float++ = cell_value_float; - p_in += sizeof (float); - } - if (bits_per_pixel == 64) - { - cell_value_double = - gg_import_double (p_in, endian, endian_arch); - *p_out_double++ = cell_value_double; - p_in += sizeof (double); - } - } - } - incr++; - } - img->next_row += incr; - img->current_available_rows = incr; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_strip_read_from_bin_grid (gGraphStripImagePtr img, int *progress) -{ -/* decoding a BIN-GRID or a FLT-GRID [by strip] */ - struct grid_codec_data *grid_codec = - (struct grid_codec_data *) (img->codec_data); - FILE *in = img->file_handle; - - if (grid_codec->grid_type == GRID_BIN_HDR - || grid_codec->grid_type == GRID_FLT_HDR) - { - int ret = read_from_bin_grid (in, img, img->sample_format, - img->bits_per_sample, - grid_codec->grid_type, - grid_codec->grid_buffer, - grid_codec->little_endian); - if (ret == GGRAPH_OK && progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return ret; - } - return GGRAPH_ERROR; -} - -GGRAPH_PRIVATE int -gg_image_strip_read_from_dem_grid (gGraphStripImagePtr img, int *progress) -{ -/* decoding a DEM-GRID [by strip] */ - struct grid_codec_data *grid_codec = - (struct grid_codec_data *) (img->codec_data); - FILE *in = img->file_handle; - - if (grid_codec->grid_type == GRID_DEM_HDR) - { - int ret = read_from_bin_grid (in, img, img->sample_format, - img->bits_per_sample, - grid_codec->grid_type, - grid_codec->grid_buffer, - grid_codec->little_endian); - if (ret == GGRAPH_OK && progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return ret; - } - return GGRAPH_ERROR; -} - -static int -read_from_ascii_grid (FILE * in, gGraphStripImagePtr img, long *row_offsets) -{ -/* decoding an ASCII-GRID [by strip] */ - int width = img->width; - int height = img->height; - int row; - int incr = 0; - int col; - int c; - float *p_out; - float cell_value; - char buf[256]; - char *p; - -/* positioning on the start scanline */ - if (fseek (in, row_offsets[img->next_row], SEEK_SET) != 0) - return GGRAPH_ASCII_CODEC_ERROR; - if (getc (in) != '\n') - return GGRAPH_ASCII_CODEC_ERROR; - - for (row = 0; row < img->rows_per_block; row++) - { - /* reading the required number of scanlines */ - if ((row + img->next_row) >= height) - break; - p_out = (float *) (img->pixels); - p_out += row * width; - p = buf; - col = 0; - while ((c = getc (in)) != EOF) - { - /* parsing cell values */ - if (c == '\r') - continue; - if (c == '\n') - break; - if (c == ' ') - { - /* cell end */ - *p = '\0'; - cell_value = atof (buf); - if (col >= width) - return GGRAPH_ASCII_CODEC_ERROR; - *p_out++ = cell_value; - col++; - p = buf; - continue; - } - if ((p - buf) >= 256) - return GGRAPH_ASCII_CODEC_ERROR; - *p++ = c; - } - if (col != width) - return GGRAPH_ASCII_CODEC_ERROR; - incr++; - } - img->next_row += incr; - img->current_available_rows = incr; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_strip_read_from_ascii_grid (gGraphStripImagePtr img, int *progress) -{ -/* decoding an ASCII-GRID [by strip] */ - struct grid_codec_data *grid_codec = - (struct grid_codec_data *) (img->codec_data); - FILE *in = img->file_handle; - - if (grid_codec->grid_type == GRID_ASCII) - { - int ret = read_from_ascii_grid (in, img, grid_codec->row_offsets); - if (ret == GGRAPH_OK && progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return ret; - } - return GGRAPH_ERROR; -} - -GGRAPH_PRIVATE int -gg_image_prepare_to_ascii_grid_by_strip (const gGraphStripImagePtr img, - FILE * out) -{ -/* preparing to export an ASCII GRID [by strips] */ - char dummy[256]; - - fprintf (out, "ncols %d\r\n", img->width); - fprintf (out, "nrows %d\r\n", img->height); - gGraphSmartPrintf (img->upper_left_x, dummy); - fprintf (out, "xllcorner %s\r\n", dummy); - gGraphSmartPrintf (img->upper_left_y - - ((double) (img->height) * img->pixel_y_size), dummy); - fprintf (out, "yllcorner %s\r\n", dummy); - gGraphSmartPrintf (img->pixel_y_size, dummy); - fprintf (out, "cellsize %s\r\n", dummy); - gGraphSmartPrintf (img->no_data_value, dummy); - fprintf (out, "NODATA_value %s\r\n", dummy); - - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_write_to_ascii_grid_by_strip (const gGraphStripImagePtr img, - int *progress) -{ -/* scanline(s) ASCII GRID export [by strip] */ - FILE *out = img->file_handle; - int row; - int col; - char *p_in_int8; - unsigned char *p_in_uint8; - short *p_in_int16; - unsigned short *p_in_uint16; - int *p_in_int32; - unsigned int *p_in_uint32; - float *p_in_flt; - double *p_in_dbl; - char dummy[256]; - - for (row = 0; row < img->current_available_rows; row++) - { - switch (img->sample_format) - { - case GGRAPH_SAMPLE_UINT: - switch (img->bits_per_sample) - { - case 8: - p_in_uint8 = (unsigned char *) (img->pixels); - p_in_uint8 += row * img->width; - break; - case 16: - p_in_uint16 = (unsigned short *) (img->pixels); - p_in_uint16 += row * img->width; - break; - case 32: - p_in_uint32 = (unsigned int *) (img->pixels); - p_in_uint32 += row * img->width; - break; - }; - break; - case GGRAPH_SAMPLE_INT: - switch (img->bits_per_sample) - { - case 8: - p_in_int8 = (char *) (img->pixels); - p_in_int8 += row * img->width; - break; - case 16: - p_in_int16 = (short *) (img->pixels); - p_in_int16 += row * img->width; - break; - case 32: - p_in_int32 = (int *) (img->pixels); - p_in_int32 += row * img->width; - break; - }; - break; - case GGRAPH_SAMPLE_FLOAT: - switch (img->bits_per_sample) - { - case 32: - p_in_flt = (float *) (img->pixels); - p_in_flt += row * img->width; - break; - case 64: - p_in_dbl = (double *) (img->pixels); - p_in_dbl += row * img->width; - break; - }; - break; - }; - for (col = 0; col < img->width; col++) - { - switch (img->sample_format) - { - case GGRAPH_SAMPLE_UINT: - switch (img->bits_per_sample) - { - case 8: - sprintf (dummy, "%u", *p_in_uint8++); - break; - case 16: - sprintf (dummy, "%u", *p_in_uint16++); - break; - case 32: - sprintf (dummy, "%u", *p_in_uint32++); - break; - }; - break; - case GGRAPH_SAMPLE_INT: - switch (img->bits_per_sample) - { - case 8: - sprintf (dummy, "%d", *p_in_int8++); - break; - case 16: - sprintf (dummy, "%d", *p_in_int16++); - break; - case 32: - sprintf (dummy, "%d", *p_in_int32++); - break; - }; - break; - case GGRAPH_SAMPLE_FLOAT: - switch (img->bits_per_sample) - { - case 32: - gGraphSmartPrintf (*p_in_flt++, dummy); - break; - case 64: - gGraphSmartPrintf (*p_in_dbl++, dummy); - break; - }; - break; - }; - fprintf (out, "%s ", dummy); - } - /* terminating a full scanline */ - fprintf (out, "\r\n"); - } - img->next_row += img->current_available_rows; - - if (progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_prepare_to_bin_hdr_by_strip (const gGraphStripImagePtr img) -{ -/* preparing to export a BIN+HDR GRID [by strips] */ - struct grid_codec_data *grid_codec = NULL; - int buf_size; - void *grid_buffer = NULL; - - if (img->sample_format != GGRAPH_SAMPLE_INT) - return GGRAPH_BIN_CODEC_ERROR; - if (img->bits_per_sample == 16 || img->bits_per_sample == 32) - ; - else - return GGRAPH_BIN_CODEC_ERROR; - -/* setting up the GRID codec struct */ - grid_codec = malloc (sizeof (struct grid_codec_data)); - if (!grid_codec) - return GGRAPH_BIN_CODEC_ERROR; - grid_codec->grid_type = GRID_BIN_HDR; - grid_codec->is_writer = 1; - grid_codec->grid_buffer = NULL; - grid_codec->row_offsets = NULL; - -/* allocating the GRID read buffer */ - if (img->bits_per_sample == 16) - buf_size = sizeof (short) * img->width; - else - buf_size = sizeof (int) * img->width; - grid_buffer = malloc (buf_size); - if (!grid_buffer) - { - free (grid_codec); - return GGRAPH_BIN_CODEC_ERROR; - } - grid_codec->grid_buffer = grid_buffer; - img->codec_data = grid_codec; - - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_prepare_to_flt_hdr_by_strip (const gGraphStripImagePtr img) -{ -/* preparing to export a FLT+HDR GRID [by strips] */ - struct grid_codec_data *grid_codec = NULL; - int buf_size; - void *grid_buffer = NULL; - - if (img->sample_format != GGRAPH_SAMPLE_FLOAT) - return GGRAPH_FLT_CODEC_ERROR; - if (img->bits_per_sample == 32 || img->bits_per_sample == 64) - ; - else - return GGRAPH_FLT_CODEC_ERROR; - -/* setting up the GRID codec struct */ - grid_codec = malloc (sizeof (struct grid_codec_data)); - if (!grid_codec) - return GGRAPH_FLT_CODEC_ERROR; - grid_codec->grid_type = GRID_FLT_HDR; - grid_codec->is_writer = 1; - grid_codec->grid_buffer = NULL; - grid_codec->row_offsets = NULL; - -/* allocating the GRID read buffer */ - if (img->bits_per_sample == 32) - buf_size = sizeof (float) * img->width; - else - buf_size = sizeof (double) * img->width; - grid_buffer = malloc (buf_size); - if (!grid_buffer) - { - free (grid_codec); - return GGRAPH_FLT_CODEC_ERROR; - } - grid_codec->grid_buffer = grid_buffer; - img->codec_data = grid_codec; - - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_write_to_bin_hdr_by_strip (const gGraphStripImagePtr img, - int *progress) -{ -/* scanline(s) BIN+HDR GRID export [by strip] */ - FILE *out = img->file_handle; - struct grid_codec_data *grid_codec = - (struct grid_codec_data *) (img->codec_data); - int row; - int col; - short *p_in_int16; - int *p_in_int32; - unsigned char *p_out; - size_t sz; - int endian_arch = gg_endian_arch (); - - for (row = 0; row < img->current_available_rows; row++) - { - switch (img->bits_per_sample) - { - case 16: - p_in_int16 = (short *) (img->pixels); - p_in_int16 += row * img->width; - sz = img->width * sizeof (short); - break; - case 32: - p_in_int32 = (int *) (img->pixels); - p_in_int32 += row * img->width; - sz = img->width * sizeof (int); - break; - }; - p_out = grid_codec->grid_buffer; - - for (col = 0; col < img->width; col++) - { - switch (img->bits_per_sample) - { - case 16: - if (*p_in_int16 < img->min_value) - img->min_value = *p_in_int16; - if (*p_in_int16 > img->max_value) - img->max_value = *p_in_int16; - gg_export_int16 (*p_in_int16++, p_out, 1, endian_arch); - p_out += sizeof (short); - break; - case 32: - if (*p_in_int32 < img->min_value) - img->min_value = *p_in_int32; - if (*p_in_int32 > img->max_value) - img->max_value = *p_in_int32; - gg_export_int32 (*p_in_int32++, p_out, 1, endian_arch); - p_out += sizeof (int); - break; - }; - } - /* terminating a full scanline */ - if (fwrite (grid_codec->grid_buffer, 1, sz, out) != sz) - return GGRAPH_BIN_CODEC_ERROR; - } - img->next_row += img->current_available_rows; - - if (progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_write_to_flt_hdr_by_strip (const gGraphStripImagePtr img, - int *progress) -{ -/* scanline(s) FLT+HDR GRID export [by strip] */ - FILE *out = img->file_handle; - struct grid_codec_data *grid_codec = - (struct grid_codec_data *) (img->codec_data); - int row; - int col; - float *p_in_float; - double *p_in_double; - unsigned char *p_out; - size_t sz; - int endian_arch = gg_endian_arch (); - - for (row = 0; row < img->current_available_rows; row++) - { - switch (img->bits_per_sample) - { - case 32: - p_in_float = (float *) (img->pixels); - p_in_float += row * img->width; - sz = img->width * sizeof (float); - break; - case 64: - p_in_double = (double *) (img->pixels); - p_in_double += row * img->width; - sz = img->width * sizeof (double); - break; - }; - p_out = grid_codec->grid_buffer; - - for (col = 0; col < img->width; col++) - { - switch (img->bits_per_sample) - { - case 32: - if (*p_in_float < img->min_value) - img->min_value = *p_in_float; - if (*p_in_float > img->max_value) - img->max_value = *p_in_float; - gg_export_float (*p_in_float++, p_out, 1, endian_arch); - p_out += sizeof (float); - break; - case 64: - if (*p_in_double < img->min_value) - img->min_value = *p_in_double; - if (*p_in_double > img->max_value) - img->max_value = *p_in_double; - gg_export_double (*p_in_double++, p_out, 1, endian_arch); - p_out += sizeof (float); - break; - }; - } - /* terminating a full scanline */ - if (fwrite (grid_codec->grid_buffer, 1, sz, out) != sz) - return GGRAPH_FLT_CODEC_ERROR; - } - img->next_row += img->current_available_rows; - - if (progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphWriteBinHeader (const char *hdr_path, const void *ptr) -{ -/* exporting a BIN Header file */ - FILE *out = NULL; - char dummy[256]; - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - -/* attempting to open/create the header file */ - out = fopen (hdr_path, "wb"); - if (out == NULL) - return GGRAPH_FILE_OPEN_ERROR; - - fprintf (out, "NCOLS %d\r\n", img->width); - fprintf (out, "NROWS %d\r\n", img->height); - gGraphSmartPrintf (img->upper_left_x, dummy); - fprintf (out, "XLLCORNER %s\r\n", dummy); - gGraphSmartPrintf (img->upper_left_y - - ((double) (img->height) * img->pixel_y_size), dummy); - fprintf (out, "YLLCORNER %s\r\n", dummy); - gGraphSmartPrintf (img->pixel_y_size, dummy); - fprintf (out, "CELLSIZE %s\r\n", dummy); - gGraphSmartPrintf (img->no_data_value, dummy); - fprintf (out, "NODATA_VALUE %s\r\n", dummy); - fprintf (out, "BYTEORDER LSBFIRST\r\n"); - if (img->bits_per_sample == 16) - fprintf (out, "NUMBERTYPE 2_BYTE_INTEGER\r\n"); - else - fprintf (out, "NUMBERTYPE 4_BYTE_INTEGER\r\n"); - fprintf (out, "ZUNITS METERS\r\n"); - gGraphSmartPrintf (img->min_value, dummy); - fprintf (out, "MIN_VALUE %s\r\n", dummy); - gGraphSmartPrintf (img->max_value, dummy); - fprintf (out, "MAX_VALUE %s\r\n", dummy); - - fclose (out); - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphWriteFltHeader (const char *hdr_path, const void *ptr) -{ -/* exporting a FLT Header file */ - FILE *out = NULL; - char dummy[256]; - gGraphStripImagePtr img = (gGraphStripImagePtr) ptr; - - if (img == NULL) - return GGRAPH_INVALID_IMAGE; - if (img->signature != GG_STRIP_IMAGE_MAGIC_SIGNATURE) - return GGRAPH_INVALID_IMAGE; - -/* attempting to open/create the header file */ - out = fopen (hdr_path, "wb"); - if (out == NULL) - return GGRAPH_FILE_OPEN_ERROR; - - fprintf (out, "ncols %d\r\n", img->width); - fprintf (out, "nrows %d\r\n", img->height); - gGraphSmartPrintf (img->upper_left_x, dummy); - fprintf (out, "xllcorner %s\r\n", dummy); - gGraphSmartPrintf (img->upper_left_y - - ((double) (img->height) * img->pixel_y_size), dummy); - fprintf (out, "yllcorner %s\r\n", dummy); - gGraphSmartPrintf (img->pixel_y_size, dummy); - fprintf (out, "cellsize %s\r\n", dummy); - gGraphSmartPrintf (img->no_data_value, dummy); - fprintf (out, "NODATA_value %s\r\n", dummy); - fprintf (out, "byteorder LSBFIRST\r\n"); - if (img->bits_per_sample == 32) - fprintf (out, "NUMBERTYPE 4_BYTE_FLOAT\r\n"); - else - fprintf (out, "NUMBERTYPE 8_BYTE_FLOAT\r\n"); - gGraphSmartPrintf (img->min_value, dummy); - fprintf (out, "MIN_VALUE %s\r\n", dummy); - gGraphSmartPrintf (img->max_value, dummy); - fprintf (out, "MAX_VALUE %s\r\n", dummy); - - fclose (out); - - return GGRAPH_OK; -} DELETED src/gaiagraphics_image.c Index: src/gaiagraphics_image.c ================================================================== --- src/gaiagraphics_image.c +++ src/gaiagraphics_image.c @@ -1,4693 +0,0 @@ -/* -/ gaiagraphics_image.c -/ -/ image methods -/ -/ version 1.0, 2010 July 20 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2010 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include -#include -#include - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -GGRAPH_PRIVATE gGraphImageInfosPtr -gg_image_infos_create (int pixel_format, int width, int height, - int bits_per_sample, int samples_per_pixel, - int sample_format, const char *srs_name, - const char *proj4text) -{ -/* creating an image infos struct */ - gGraphImageInfosPtr img; - int len; - char *SrsName = NULL; - char *Proj4Text = NULL; - -/* checking PIXEL_FORMAT */ - if (pixel_format == GG_PIXEL_RGB || pixel_format == GG_PIXEL_RGBA - || pixel_format == GG_PIXEL_ARGB || pixel_format == GG_PIXEL_BGR - || pixel_format == GG_PIXEL_GRAYSCALE - || pixel_format == GG_PIXEL_PALETTE || pixel_format == GG_PIXEL_GRID - || pixel_format == GG_PIXEL_UNKNOWN) - ; - else - return NULL; - - if (srs_name) - { - len = strlen (srs_name); - SrsName = malloc (len + 1); - if (!SrsName) - return NULL; - strcpy (SrsName, srs_name); - } - if (proj4text) - { - len = strlen (proj4text); - Proj4Text = malloc (len + 1); - if (!Proj4Text) - { - if (SrsName) - free (SrsName); - return NULL; - } - strcpy (Proj4Text, proj4text); - } - -/* allocating the image INFOS struct */ - img = malloc (sizeof (gGraphImage)); - if (!img) - return NULL; - - img->signature = GG_IMAGE_INFOS_MAGIC_SIGNATURE; - img->width = width; - img->height = height; - img->bits_per_sample = bits_per_sample; - img->samples_per_pixel = samples_per_pixel; - img->sample_format = sample_format; - img->pixel_format = pixel_format; - img->max_palette = 0; - img->is_transparent = 0; - img->tile_width = -1; - img->tile_height = -1; - img->rows_per_strip = -1; - img->compression = GGRAPH_TIFF_COMPRESSION_NONE; - img->scale_1_2 = 0; - img->scale_1_4 = 0; - img->scale_1_8 = 0; - img->is_georeferenced = 0; - img->srid = -1; - img->srs_name = SrsName; - img->proj4text = Proj4Text; - img->upper_left_x = DBL_MAX; - img->upper_left_y = DBL_MAX; - img->pixel_x_size = 0.0; - img->pixel_y_size = 0.0; - img->no_data_value = 0.0 - DBL_MAX; - img->min_value = DBL_MAX; - img->max_value = 0.0 - DBL_MAX; - - return img; -} - -GGRAPH_PRIVATE void -gg_image_infos_destroy (gGraphImageInfosPtr img) -{ -/* destroying an image INFOS struct */ - if (!img) - return; - if (img->srs_name) - free (img->srs_name); - if (img->proj4text) - free (img->proj4text); - free (img); -} - -GGRAPH_PRIVATE gGraphImagePtr -gg_image_create (int pixel_format, int width, int height, int bits_per_sample, - int samples_per_pixel, int sample_format, const char *srs_name, - const char *proj4text) -{ -/* creating a generic image */ - gGraphImagePtr img; - int len; - char *SrsName = NULL; - char *Proj4Text = NULL; - -/* checking PIXEL_FORMAT */ - if (pixel_format == GG_PIXEL_RGB || pixel_format == GG_PIXEL_RGBA - || pixel_format == GG_PIXEL_ARGB || pixel_format == GG_PIXEL_BGR - || pixel_format == GG_PIXEL_GRAYSCALE - || pixel_format == GG_PIXEL_PALETTE || pixel_format == GG_PIXEL_GRID) - ; - else - return NULL; - if (sample_format == GGRAPH_SAMPLE_UINT - || sample_format == GGRAPH_SAMPLE_INT - || sample_format == GGRAPH_SAMPLE_FLOAT) - ; - else - return NULL; - - if (srs_name) - { - len = strlen (srs_name); - if (len > 0) - { - SrsName = malloc (len + 1); - if (!SrsName) - return NULL; - strcpy (SrsName, srs_name); - } - } - if (proj4text) - { - len = strlen (proj4text); - if (len > 0) - { - Proj4Text = malloc (len + 1); - if (!Proj4Text) - { - if (SrsName) - free (SrsName); - return NULL; - } - strcpy (Proj4Text, proj4text); - } - } - -/* allocating the image struct */ - img = malloc (sizeof (gGraphImage)); - if (!img) - return NULL; - - img->signature = GG_IMAGE_MAGIC_SIGNATURE; - img->pixels = NULL; - img->width = width; - img->height = height; - img->bits_per_sample = bits_per_sample; - img->samples_per_pixel = samples_per_pixel; - img->sample_format = sample_format; - img->pixel_format = pixel_format; - img->max_palette = 0; - img->is_transparent = 0; - img->tile_width = -1; - img->tile_height = -1; - img->rows_per_strip = -1; - img->compression = GGRAPH_TIFF_COMPRESSION_NONE; - img->is_georeferenced = 0; - img->srid = -1; - img->srs_name = SrsName; - img->proj4text = Proj4Text; - img->upper_left_x = DBL_MAX; - img->upper_left_y = DBL_MAX; - img->pixel_x_size = 0.0; - img->pixel_y_size = 0.0; - img->no_data_value = 0.0 - DBL_MAX; - img->min_value = DBL_MAX; - img->max_value = 0.0 - DBL_MAX; - -/* computing the scanline size */ - if (pixel_format == GG_PIXEL_GRAYSCALE || pixel_format == GG_PIXEL_PALETTE) - { - img->scanline_width = width; - img->pixel_size = 1; - } - else if (pixel_format == GG_PIXEL_RGB || pixel_format == GG_PIXEL_BGR) - { - img->scanline_width = width * 3; - img->pixel_size = 3; - } - else if (pixel_format == GG_PIXEL_GRID) - { - if (sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (bits_per_sample == 32) - { - /* float */ - img->scanline_width = width * 4; - img->pixel_size = 8; - } - else - { - /* double */ - img->scanline_width = width * 8; - img->pixel_size = 8; - } - } - else - { - /* UINT or INT */ - if (bits_per_sample == 8) - { - /* 8bits int */ - img->scanline_width = width; - img->pixel_size = 1; - } - else if (bits_per_sample == 16) - { - /* 16bits int */ - img->scanline_width = width * 2; - img->pixel_size = 2; - } - else - { - /* 32bits int */ - img->scanline_width = width * 4; - img->pixel_size = 4; - } - } - } - else - { - /* RGBA, ARGB or BGRA */ - img->scanline_width = width * 4; - img->pixel_size = 4; - } - -/* allocating the pixel buffer */ - img->pixels = malloc (img->scanline_width * height); - if (!img->pixels) - { - free (img); - return NULL; - } - return img; -} - -GGRAPH_PRIVATE gGraphImagePtr -gg_image_create_from_bitmap (unsigned char *bitmap, int pixel_format, int width, - int height, int bits_per_sample, - int samples_per_pixel, int sample_format, - const char *srs_name, const char *proj4text) -{ -/* creating a generic image */ - gGraphImagePtr img; - int len; - char *SrsName = NULL; - char *Proj4Text = NULL; - -/* checking PIXEL_FORMAT */ - if (pixel_format == GG_PIXEL_RGB || pixel_format == GG_PIXEL_RGBA - || pixel_format == GG_PIXEL_ARGB || pixel_format == GG_PIXEL_BGR - || pixel_format == GG_PIXEL_GRAYSCALE - || pixel_format == GG_PIXEL_PALETTE || pixel_format == GG_PIXEL_GRID) - ; - else - return NULL; - if (sample_format == GGRAPH_SAMPLE_UINT - || sample_format == GGRAPH_SAMPLE_INT - || sample_format == GGRAPH_SAMPLE_FLOAT) - ; - else - return NULL; - - if (srs_name) - { - len = strlen (srs_name); - if (len > 0) - { - SrsName = malloc (len + 1); - if (!SrsName) - return NULL; - strcpy (SrsName, srs_name); - } - } - if (proj4text) - { - len = strlen (proj4text); - if (len > 0) - { - Proj4Text = malloc (len + 1); - if (!Proj4Text) - { - if (SrsName) - free (SrsName); - return NULL; - } - strcpy (Proj4Text, proj4text); - } - } - -/* allocating the image struct */ - img = malloc (sizeof (gGraphImage)); - if (!img) - return NULL; - - img->signature = GG_IMAGE_MAGIC_SIGNATURE; - img->pixels = NULL; - img->width = width; - img->height = height; - img->bits_per_sample = bits_per_sample; - img->samples_per_pixel = samples_per_pixel; - img->sample_format = sample_format; - img->pixel_format = pixel_format; - img->max_palette = 0; - img->is_transparent = 0; - img->tile_width = -1; - img->tile_height = -1; - img->rows_per_strip = -1; - img->compression = GGRAPH_TIFF_COMPRESSION_NONE; - img->is_georeferenced = 0; - img->srid = -1; - img->srs_name = SrsName; - img->proj4text = Proj4Text; - img->upper_left_x = DBL_MAX; - img->upper_left_y = DBL_MAX; - img->pixel_x_size = 0.0; - img->pixel_y_size = 0.0; - img->no_data_value = 0.0 - DBL_MAX; - img->min_value = DBL_MAX; - img->max_value = 0.0 - DBL_MAX; - -/* computing the scanline size */ - if (pixel_format == GG_PIXEL_GRAYSCALE || pixel_format == GG_PIXEL_PALETTE) - { - img->scanline_width = width; - img->pixel_size = 1; - } - else if (pixel_format == GG_PIXEL_RGB || pixel_format == GG_PIXEL_BGR) - { - img->scanline_width = width * 3; - img->pixel_size = 3; - } - else if (pixel_format == GG_PIXEL_GRID) - { - if (sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (bits_per_sample == 32) - { - /* float */ - img->scanline_width = width * 4; - img->pixel_size = 8; - } - else - { - /* double */ - img->scanline_width = width * 8; - img->pixel_size = 8; - } - } - else - { - /* UINT or INT */ - if (bits_per_sample == 8) - { - /* 8bits int */ - img->scanline_width = width; - img->pixel_size = 1; - } - else if (bits_per_sample == 16) - { - /* 16bits int */ - img->scanline_width = width * 2; - img->pixel_size = 2; - } - else - { - /* 32bits int */ - img->scanline_width = width * 4; - img->pixel_size = 4; - } - } - } - else - { - /* RGBA, ARGB or BGRA */ - img->scanline_width = width * 4; - img->pixel_size = 4; - } - -/* setting up the pixel buffer */ - img->pixels = bitmap; - return img; -} - -GGRAPH_PRIVATE void -gg_image_destroy (gGraphImagePtr img) -{ -/* destroying a generic image */ - if (!img) - return; - if (img->pixels) - free (img->pixels); - if (img->srs_name) - free (img->srs_name); - if (img->proj4text) - free (img->proj4text); - free (img); -} - -GGRAPH_PRIVATE gGraphStripImagePtr -gg_strip_image_create (FILE * file_handle, int codec_id, int pixel_format, - int width, int height, int bits_per_sample, - int samples_per_pixel, int sample_format, - const char *srs_name, const char *proj4text) -{ -/* creating a file-based image implementing access by strips */ - gGraphStripImagePtr img; - int len; - char *SrsName = NULL; - char *Proj4Text = NULL; - -/* checking PIXEL_FORMAT */ - if (pixel_format == GG_PIXEL_RGB || pixel_format == GG_PIXEL_RGBA - || pixel_format == GG_PIXEL_ARGB || pixel_format == GG_PIXEL_BGR - || pixel_format == GG_PIXEL_GRAYSCALE - || pixel_format == GG_PIXEL_PALETTE || pixel_format == GG_PIXEL_GRID) - ; - else - return NULL; - if (sample_format == GGRAPH_SAMPLE_UINT - || sample_format == GGRAPH_SAMPLE_INT - || sample_format == GGRAPH_SAMPLE_FLOAT) - ; - else - return NULL; - - if (srs_name) - { - len = strlen (srs_name); - if (len > 0) - { - SrsName = malloc (len + 1); - if (!SrsName) - return NULL; - strcpy (SrsName, srs_name); - } - } - if (proj4text) - { - len = strlen (proj4text); - if (len > 0) - { - Proj4Text = malloc (len + 1); - if (!Proj4Text) - { - if (SrsName) - free (SrsName); - return NULL; - } - strcpy (Proj4Text, proj4text); - } - } - -/* allocating the image struct */ - img = malloc (sizeof (gGraphStripImage)); - if (!img) - return NULL; - - img->signature = GG_STRIP_IMAGE_MAGIC_SIGNATURE; - img->file_handle = file_handle; - img->codec_id = codec_id; - img->rows_per_block = 0; - img->current_available_rows = 0; - img->codec_data = NULL; - img->pixels = NULL; - img->next_row = 0; - img->codec_data = NULL; - img->width = width; - img->height = height; - img->bits_per_sample = bits_per_sample; - img->samples_per_pixel = samples_per_pixel; - img->sample_format = sample_format; - img->pixel_format = pixel_format; - img->max_palette = 0; - img->is_transparent = 0; - img->tile_width = -1; - img->tile_height = -1; - img->rows_per_strip = -1; - img->compression = GGRAPH_TIFF_COMPRESSION_NONE; - img->is_georeferenced = 0; - img->srid = -1; - img->srs_name = SrsName; - img->proj4text = Proj4Text; - img->upper_left_x = DBL_MAX; - img->upper_left_y = DBL_MAX; - img->pixel_x_size = 0.0; - img->pixel_y_size = 0.0; - img->no_data_value = 0.0 - DBL_MAX; - img->min_value = DBL_MAX; - img->max_value = 0.0 - DBL_MAX; - -/* computing the scanline size */ - if (pixel_format == GG_PIXEL_GRAYSCALE || pixel_format == GG_PIXEL_PALETTE) - { - img->scanline_width = width; - img->pixel_size = 1; - } - else if (pixel_format == GG_PIXEL_RGB || pixel_format == GG_PIXEL_BGR) - { - img->scanline_width = width * 3; - img->pixel_size = 3; - } - else if (pixel_format == GG_PIXEL_GRID) - { - if (sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (bits_per_sample == 32) - { - /* float */ - img->scanline_width = width * 4; - img->pixel_size = 8; - } - else - { - /* double */ - img->scanline_width = width * 8; - img->pixel_size = 8; - } - } - else - { - /* UINT or INT */ - if (bits_per_sample == 8) - { - /* 8bits int */ - img->scanline_width = width; - img->pixel_size = 1; - } - else if (bits_per_sample == 16) - { - /* 16bits int */ - img->scanline_width = width * 2; - img->pixel_size = 2; - } - else - { - /* 32bits int */ - img->scanline_width = width * 4; - img->pixel_size = 4; - } - } - } - else - { - /* RGBA, ARGB or BGRA */ - img->scanline_width = width * 4; - img->pixel_size = 4; - } - - return img; -} - -GGRAPH_PRIVATE void -gg_strip_image_destroy (gGraphStripImagePtr img) -{ -/* destroying a file-based image implementing access by strips */ - if (!img) - return; - if (img->codec_id == GGRAPH_IMAGE_PNG) - gg_png_codec_destroy (img->codec_data); - if (img->codec_id == GGRAPH_IMAGE_JPEG) - gg_jpeg_codec_destroy (img->codec_data); - if (img->codec_id == GGRAPH_IMAGE_TIFF - || img->codec_id == GGRAPH_IMAGE_GEOTIFF) - gg_tiff_codec_destroy (img->codec_data); - if (img->codec_id == GGRAPH_IMAGE_HGT) - gg_grid_codec_destroy (img->codec_data); - if (img->file_handle) - fclose (img->file_handle); - if (img->pixels) - free (img->pixels); - if (img->srs_name) - free (img->srs_name); - if (img->proj4text) - free (img->proj4text); - free (img); -} - -GGRAPH_PRIVATE void -gg_image_clone_georeferencing (const gGraphImagePtr dst, - const gGraphImagePtr src) -{ -/* adjusting georeferencing infos between two images */ - double size_x; - double size_y; - int len; - char *SrsName = NULL; - char *Proj4Text = NULL; - if (src->is_georeferenced) - { - if (src->srs_name) - { - len = strlen (src->srs_name); - if (len > 0) - { - SrsName = malloc (len + 1); - if (SrsName) - strcpy (SrsName, src->srs_name); - } - } - if (src->proj4text) - { - len = strlen (src->proj4text); - if (len > 0) - { - Proj4Text = malloc (len + 1); - if (Proj4Text) - strcpy (Proj4Text, src->proj4text); - } - } - } - -/* cleaning up destination georeferencing */ - dst->is_georeferenced = 0; - dst->srid = -1; - if (dst->srs_name) - free (dst->srs_name); - if (dst->proj4text) - free (dst->proj4text); - dst->srs_name = NULL; - dst->proj4text = NULL; - dst->upper_left_x = DBL_MAX; - dst->upper_left_y = DBL_MAX; - dst->pixel_x_size = 0.0; - dst->pixel_y_size = 0.0; - if (src->is_georeferenced == 0) - return; - -/* setting up destination georeferencing */ - dst->is_georeferenced = 1; - dst->srid = src->srid; - dst->srs_name = SrsName; - dst->proj4text = Proj4Text; - dst->upper_left_x = src->upper_left_x; - dst->upper_left_y = src->upper_left_y; - size_x = (double) (src->width) * src->pixel_x_size; - size_y = (double) (src->height) * src->pixel_y_size; - dst->pixel_x_size = size_x / (double) (dst->width); - dst->pixel_y_size = size_y / (double) (dst->height); - -} - -static void -sub_set_georeferencing (const gGraphImagePtr dst, const gGraphImagePtr src, - int upper_left_x, int upper_left_y) -{ -/* adjusting georeferencing infos between two images [ImageSubSet] */ - int len; - char *SrsName = NULL; - char *Proj4Text = NULL; - if (src->is_georeferenced) - { - if (src->srs_name) - { - len = strlen (src->srs_name); - if (len > 0) - { - SrsName = malloc (len + 1); - if (SrsName) - strcpy (SrsName, src->srs_name); - } - } - if (src->proj4text) - { - len = strlen (src->proj4text); - if (len > 0) - { - Proj4Text = malloc (len + 1); - if (Proj4Text) - strcpy (Proj4Text, src->proj4text); - } - } - } - -/* cleaning up destination georeferencing */ - dst->is_georeferenced = 0; - dst->srid = -1; - if (dst->srs_name) - free (dst->srs_name); - if (dst->proj4text) - free (dst->proj4text); - dst->srs_name = NULL; - dst->proj4text = NULL; - dst->upper_left_x = DBL_MAX; - dst->upper_left_y = DBL_MAX; - dst->pixel_x_size = 0.0; - dst->pixel_y_size = 0.0; - if (src->is_georeferenced == 0) - return; - -/* setting up destination georeferencing */ - dst->is_georeferenced = 1; - dst->srid = src->srid; - dst->srs_name = SrsName; - dst->proj4text = Proj4Text; - dst->upper_left_x = - src->upper_left_x + ((double) upper_left_x * src->pixel_x_size); - dst->upper_left_y = - src->upper_left_y - ((double) upper_left_y * src->pixel_y_size); - dst->pixel_x_size = src->pixel_x_size; - dst->pixel_y_size = src->pixel_y_size; - -} - -GGRAPH_PRIVATE void -gg_image_sub_set (const gGraphImagePtr dst, const gGraphImagePtr src, - int upper_left_x, int upper_left_y) -{ -/* creating an ImageSubSet */ - int x; - int y; - int dx; - int dy = 0; - int c; - unsigned char *p_in; - unsigned char *p_out; - - if (src->pixel_format != dst->pixel_format) - { - /* an absolutely unexpected condition !!!! */ - return; - } - - for (y = upper_left_y; y < src->height; y++, dy++) - { - if (dy >= dst->height) - break; - dx = 0; - p_in = src->pixels + (y * src->scanline_width); - p_in += upper_left_x * src->pixel_size; - p_out = dst->pixels + (dy * dst->scanline_width); - for (x = upper_left_x; x < src->width; x++, dx++) - { - if (dx >= dst->width) - break; - /* copying pixel's components */ - for (c = 0; c < src->pixel_size; c++) - *p_out++ = *p_in++; - } - } - if (src->pixel_format == GG_PIXEL_PALETTE) - { - /* copying palette entries */ - for (x = 0; x < src->max_palette; x++) - { - dst->palette_red[x] = src->palette_red[x]; - dst->palette_green[x] = src->palette_green[x]; - dst->palette_blue[x] = src->palette_blue[x]; - } - dst->max_palette = src->max_palette; - } - -/* computing georeferencing */ - sub_set_georeferencing (dst, src, upper_left_x, upper_left_y); -} - -static unsigned char -to_grayscale (unsigned char r, unsigned char g, unsigned char b) -{ -/* computing a grayscale value */ - double dval = - (0.3 * (double) r) + (0.59 * (double) g) + (0.11 * (double) b); - int ival = (int) dval; - if (ival < 0) - ival = 0; - if (ival > 255) - ival = 255; - return (unsigned char) ival; -} - -GGRAPH_PRIVATE void -gg_image_fill (const gGraphImagePtr img, unsigned char r, unsigned char g, - unsigned char b, unsigned char alpha) -{ -/* filling the image with given color */ - int x; - int y; - unsigned char *p; - unsigned char gray; - -/* resetting the palette anyway */ - img->max_palette = 1; - img->palette_red[0] = r; - img->palette_green[0] = g; - img->palette_blue[0] = b; - -/* precomputing a grayscale value anyway */ - if (r == g && g == b) - gray = r; - else - gray = to_grayscale (r, g, b); - - for (y = 0; y < img->height; y++) - { - /* setting pixels by scanline */ - p = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - /* setting pixels */ - if (img->pixel_format == GG_PIXEL_RGB) - { - *p++ = r; - *p++ = g; - *p++ = b; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - *p++ = r; - *p++ = g; - *p++ = b; - *p++ = alpha; - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - *p++ = alpha; - *p++ = r; - *p++ = g; - *p++ = b; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - *p++ = b; - *p++ = g; - *p++ = r; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - *p++ = b; - *p++ = g; - *p++ = r; - *p++ = alpha; - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - *p++ = gray; - else if (img->pixel_format == GG_PIXEL_PALETTE) - *p++ = 0; - } - } -} - -GGRAPH_PRIVATE unsigned char -gg_match_palette (const gGraphImagePtr img, unsigned char r, unsigned char g, - unsigned char b) -{ -/* handling palette colors */ - int index; - double min_dist = DBL_MAX; - double dist; - int min_index; - for (index = 0; index < img->max_palette; index++) - { - /* searching if already defined */ - if (img->palette_red[index] == r && img->palette_green[index] == g - && img->palette_blue[index] == b) - return (unsigned char) index; - } - if (img->max_palette < 255) - { - /* inserting a new palette entry */ - unsigned char i = img->max_palette; - img->max_palette += 1; - img->palette_red[i] = r; - img->palette_green[i] = g; - img->palette_blue[i] = b; - return i; - } -/* all right, the palette is already fully populated */ - for (index = 0; index < img->max_palette; index++) - { - /* computing the minimal euclidean distance */ - dist = - sqrt (((img->palette_red[index] - r) * (img->palette_red[index] - - r)) + - ((img->palette_green[index] - - g) * (img->palette_green[index] - g)) + - ((img->palette_blue[index] - - b) * (img->palette_blue[index] - b))); - if (dist < min_dist) - { - min_dist = dist; - min_index = index; - } - } - return (unsigned char) min_index; -} - -static void -shrink_by (const gGraphImagePtr dst, const gGraphImagePtr src) -{ -/* -/ this code is widely base upon the original wxWidgets gwxImage wxImage::ShrinkBy(() function -*/ - int xFactor = src->width / dst->width; - int yFactor = src->height / dst->height; - int x; - int y; - int x1; - int y1; - int y_offset; - int x_offset; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char gray; - unsigned char *p; - for (y = 0; y < dst->height; y++) - { - for (x = 0; x < dst->width; x++) - { - /* determine average */ - unsigned int avgRed = 0; - unsigned int avgGreen = 0; - unsigned int avgBlue = 0; - unsigned int counter = 0; - for (y1 = 0; y1 < yFactor; ++y1) - { - y_offset = (y * yFactor + y1); - for (x1 = 0; x1 < xFactor; ++x1) - { - x_offset = (x * xFactor) + x1; - p = src->pixels + (y_offset * src->scanline_width); - if (src->pixel_format == GG_PIXEL_RGB) - { - p += x_offset * 3; - red = *p++; - green = *p++; - blue = *p; - } - else if (src->pixel_format == GG_PIXEL_RGBA) - { - p += x_offset * 4; - red = *p++; - green = *p++; - blue = *p; - } - else if (src->pixel_format == GG_PIXEL_ARGB) - { - p += x_offset * 4; - p++; - red = *p++; - green = *p++; - blue = *p; - } - else if (src->pixel_format == GG_PIXEL_BGR) - { - p += x_offset * 3; - blue = *p++; - green = *p++; - red = *p; - } - else if (src->pixel_format == GG_PIXEL_BGRA) - { - p += x_offset * 4; - blue = *p++; - green = *p++; - red = *p; - } - else if (src->pixel_format == GG_PIXEL_GRAYSCALE) - { - p += x_offset; - red = *p; - green = *p; - blue = *p; - } - else if (src->pixel_format == GG_PIXEL_PALETTE) - { - p += x_offset; - red = src->palette_red[*p]; - green = src->palette_green[*p]; - blue = src->palette_blue[*p]; - } - avgRed += red; - avgGreen += green; - avgBlue += blue; - counter++; - } - } - /* storing the pixel into destination */ - red = avgRed / counter; - green = avgGreen / counter; - blue = avgBlue / counter; - p = dst->pixels + (y * dst->scanline_width); - if (dst->pixel_format == GG_PIXEL_RGB) - { - p += x * 3; - *p++ = red; - *p++ = green; - *p = blue; - } - else if (dst->pixel_format == GG_PIXEL_RGBA) - { - p += x * 4; - *p++ = red; - *p++ = green; - *p++ = blue; - *p = 255; /* opaque */ - } - else if (dst->pixel_format == GG_PIXEL_ARGB) - { - p += x * 4; - *p++ = 255; /* opaque */ - *p++ = red; - *p++ = green; - *p = blue; - } - else if (dst->pixel_format == GG_PIXEL_BGR) - { - p += x * 3; - *p++ = blue; - *p++ = green; - *p = red; - } - else if (dst->pixel_format == GG_PIXEL_BGRA) - { - p += x * 4; - *p++ = blue; - *p++ = green; - *p++ = red; - *p = 255; /* opaque */ - } - else if (dst->pixel_format == GG_PIXEL_GRAYSCALE) - { - p += x; - if (red == green && green == blue) - gray = red; - else - gray = to_grayscale (red, green, blue); - *p = gray; - } - else if (dst->pixel_format == GG_PIXEL_PALETTE) - { - unsigned char index = - gg_match_palette (dst, red, green, blue); - p += x; - *p = index; - } - } - } -} - -GGRAPH_PRIVATE void -gg_image_resize (const gGraphImagePtr dst, const gGraphImagePtr src) -{ -/* -/ this function builds an ordinary quality resized image, applying pixel replication -/ -/ this code is widely base upon the original wxWidgets gwxImage wxImage::Scale(() function -/ wxIMAGE_QUALITY_NORMAL -*/ - int x_delta; - int y_delta; - int y; - int j; - int x; - int i; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char alpha; - unsigned char gray; - unsigned char *p; - - if ((src->width % dst->width) == 0 && src->width >= dst->width - && (src->height % dst->height) == 0 && src->height >= dst->height) - { - shrink_by (dst, src); - return; - } - x = src->width; - y = src->height; - x_delta = (x << 16) / dst->width; - y_delta = (y << 16) / dst->height; - y = 0; - for (j = 0; j < dst->height; j++) - { - x = 0; - for (i = 0; i < dst->width; i++) - { - /* retrieving the origin pixel */ - p = src->pixels + ((y >> 16) * src->scanline_width); - if (src->pixel_format == GG_PIXEL_RGB) - { - p += (x >> 16) * 3; - red = *p++; - green = *p++; - blue = *p; - alpha = 255; - } - else if (src->pixel_format == GG_PIXEL_RGBA) - { - p += (x >> 16) * 4; - red = *p++; - green = *p++; - blue = *p++; - alpha = *p; - } - else if (src->pixel_format == GG_PIXEL_ARGB) - { - p += (x >> 16) * 4; - alpha = *p++; - red = *p++; - green = *p++; - blue = *p; - } - else if (src->pixel_format == GG_PIXEL_BGR) - { - p += (x >> 16) * 3; - blue = *p++; - green = *p++; - red = *p; - alpha = 255; - } - else if (src->pixel_format == GG_PIXEL_BGRA) - { - p += (x >> 16) * 4; - blue = *p++; - green = *p++; - red = *p++; - alpha = *p; - } - else if (src->pixel_format == GG_PIXEL_GRAYSCALE) - { - p += (x >> 16); - red = *p; - green = *p; - blue = *p; - alpha = 255; - } - else if (src->pixel_format == GG_PIXEL_PALETTE) - { - p += (x >> 16); - red = src->palette_red[*p]; - green = src->palette_green[*p]; - blue = src->palette_blue[*p]; - alpha = 255; - } - /* setting the destination pixel */ - p = dst->pixels + (j * dst->scanline_width); - if (dst->pixel_format == GG_PIXEL_RGB) - { - p += i * 3; - *p++ = red; - *p++ = green; - *p = blue; - } - else if (dst->pixel_format == GG_PIXEL_RGBA) - { - p += i * 4; - *p++ = red; - *p++ = green; - *p++ = blue; - *p = alpha; - } - else if (dst->pixel_format == GG_PIXEL_ARGB) - { - p += i * 4; - *p++ = alpha; - *p++ = red; - *p++ = green; - *p = blue; - } - else if (dst->pixel_format == GG_PIXEL_BGR) - { - p += i * 3; - *p++ = blue; - *p++ = green; - *p = red; - } - else if (dst->pixel_format == GG_PIXEL_BGRA) - { - p += i * 4; - *p++ = blue; - *p++ = green; - *p++ = red; - *p = alpha; - } - else if (dst->pixel_format == GG_PIXEL_GRAYSCALE) - { - p += i; - if (red == green && green == blue) - gray = red; - else - gray = to_grayscale (red, green, blue); - *p = gray; - } - else if (dst->pixel_format == GG_PIXEL_PALETTE) - { - unsigned char index = - gg_match_palette (dst, red, green, blue); - p += i; - *p = index; - } - x += x_delta; - } - y += y_delta; - } -} - -static void -shrink_grid_by (const gGraphImagePtr dst, const gGraphImagePtr src) -{ -/* -/ this code is widely base upon the original wxWidgets gwxImage wxImage::ShrinkBy(() function -*/ - int xFactor = src->width / dst->width; - int yFactor = src->height / dst->height; - int x; - int y; - int x1; - int y1; - int y_offset; - int x_offset; - short short_value; - unsigned short ushort_value; - int int_value; - unsigned int uint_value; - float float_value; - double double_value; - short *p_short; - unsigned short *p_ushort; - int *p_int; - unsigned int *p_uint; - float *p_float; - double *p_double; - for (y = 0; y < dst->height; y++) - { - for (x = 0; x < dst->width; x++) - { - /* determine average */ - int is_nodata = 0; - double avg; - unsigned int counter = 0; - unsigned char *p; - for (y1 = 0; y1 < yFactor; ++y1) - { - y_offset = (y * yFactor + y1); - for (x1 = 0; x1 < xFactor; ++x1) - { - x_offset = (x * xFactor) + x1; - p = src->pixels + (y_offset * src->scanline_width); - if (src->pixel_format == GG_PIXEL_GRID) - { - p += x_offset * (src->bits_per_sample / 8); - switch (src->sample_format) - { - case GGRAPH_SAMPLE_INT: - if (src->bits_per_sample == 16) - { - p_short = (short *) p; - short_value = *p_short; - if (short_value == - src->no_data_value) - is_nodata = 1; - if (!is_nodata) - avg += short_value; - } - else - { - p_int = (int *) p; - int_value = *p_int; - if (int_value == - src->no_data_value) - is_nodata = 1; - if (!is_nodata) - avg += int_value; - } - break; - case GGRAPH_SAMPLE_UINT: - if (src->bits_per_sample == 16) - { - p_ushort = (unsigned short *) p; - ushort_value = *p_ushort; - if (ushort_value == - src->no_data_value) - is_nodata = 1; - if (!is_nodata) - avg += ushort_value; - } - else - { - p_uint = (unsigned int *) p; - uint_value = *p_uint; - if (uint_value == - src->no_data_value) - is_nodata = 1; - if (!is_nodata) - avg += uint_value; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (src->bits_per_sample == 32) - { - p_float = (float *) p; - float_value = *p_float; - if (float_value == - src->no_data_value) - is_nodata = 1; - if (!is_nodata) - avg += float_value; - } - else - { - p_double = (double *) p; - double_value = *p_double; - if (double_value == - src->no_data_value) - is_nodata = 1; - if (!is_nodata) - avg += double_value; - } - break; - }; - } - counter++; - } - } - /* storing the pixel into destination */ - p = dst->pixels + (y * dst->scanline_width); - if (dst->pixel_format == GG_PIXEL_GRID) - { - p += x * (dst->bits_per_sample / 8); - switch (dst->sample_format) - { - case GGRAPH_SAMPLE_INT: - if (dst->bits_per_sample == 16) - { - p_short = (short *) p; - if (is_nodata) - *p_short = (short) (dst->no_data_value); - else - *p_short = (short) (avg / counter); - } - else - { - p_int = (int *) p; - if (is_nodata) - *p_int = (int) (dst->no_data_value); - else - *p_int = (int) (avg / counter); - } - break; - case GGRAPH_SAMPLE_UINT: - if (dst->bits_per_sample == 16) - { - p_ushort = (unsigned short *) p; - if (is_nodata) - *p_ushort = - (unsigned short) (dst->no_data_value); - else - *p_ushort = - (unsigned short) (avg / counter); - } - else - { - p_uint = (unsigned int *) p; - if (is_nodata) - *p_uint = - (unsigned int) (dst->no_data_value); - else - *p_uint = (unsigned int) (avg / counter); - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (dst->bits_per_sample == 32) - { - p_float = (float *) p; - if (is_nodata) - *p_float = (float) (dst->no_data_value); - else - *p_float = (float) (avg / counter); - } - else - { - p_double = (double *) p; - if (is_nodata) - *p_double = dst->no_data_value; - else - *p_double = avg / counter; - } - break; - }; - } - } - } -} - -GGRAPH_PRIVATE void -gg_grid_resize (const gGraphImagePtr dst, const gGraphImagePtr src) -{ -/* -/ this function builds an ordinary quality resized GRID, applying pixel replication -/ -/ this code is widely base upon the original wxWidgets gwxImage wxImage::Scale(() function -/ wxIMAGE_QUALITY_NORMAL -*/ - int x_delta; - int y_delta; - int y; - int j; - int x; - int i; - short short_value; - unsigned short ushort_value; - int int_value; - unsigned int uint_value; - float float_value; - double double_value; - short *p_short; - unsigned short *p_ushort; - int *p_int; - unsigned int *p_uint; - float *p_float; - double *p_double; - - if ((src->width % dst->width) == 0 && src->width >= dst->width - && (src->height % dst->height) == 0 && src->height >= dst->height) - { - shrink_grid_by (dst, src); - return; - } - x = src->width; - y = src->height; - x_delta = (x << 16) / dst->width; - y_delta = (y << 16) / dst->height; - y = 0; - for (j = 0; j < dst->height; j++) - { - x = 0; - for (i = 0; i < dst->width; i++) - { - /* retrieving the origin pixel */ - unsigned char *p = - src->pixels + ((y >> 16) * src->scanline_width); - if (src->pixel_format == GG_PIXEL_GRID) - { - p += (x >> 16) * (src->bits_per_sample / 8); - switch (src->sample_format) - { - case GGRAPH_SAMPLE_INT: - if (src->bits_per_sample == 16) - { - p_short = (short *) p; - short_value = *p_short; - p += sizeof (short); - } - else - { - p_int = (int *) p; - int_value = *p_int; - p += sizeof (int); - } - break; - case GGRAPH_SAMPLE_UINT: - if (src->bits_per_sample == 16) - { - p_ushort = (unsigned short *) p; - ushort_value = *p_ushort; - p += sizeof (unsigned short); - } - else - { - p_uint = (unsigned int *) p; - uint_value = *p_uint; - p += sizeof (unsigned int); - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (src->bits_per_sample == 32) - { - p_float = (float *) p; - float_value = *p_float; - p += sizeof (float); - } - else - { - p_double = (double *) p; - double_value = *p_double; - p += sizeof (double); - } - break; - }; - } - /* setting the destination pixel */ - p = dst->pixels + (j * dst->scanline_width); - if (dst->pixel_format == GG_PIXEL_GRID) - { - p += i * (dst->bits_per_sample / 8); - switch (dst->sample_format) - { - case GGRAPH_SAMPLE_INT: - if (dst->bits_per_sample == 16) - { - p_short = (short *) p; - *p_short = short_value; - } - else - { - p_int = (int *) p; - *p_int = int_value; - } - break; - case GGRAPH_SAMPLE_UINT: - if (dst->bits_per_sample == 16) - { - p_ushort = (unsigned short *) p; - *p_ushort = ushort_value; - } - else - { - p_uint = (unsigned int *) p; - *p_uint = uint_value; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (dst->bits_per_sample == 32) - { - p_float = (float *) p; - *p_float = float_value; - } - else - { - p_double = (double *) p; - *p_double = double_value; - } - break; - }; - } - x += x_delta; - } - y += y_delta; - } -} - -#define floor2(exp) ((long) exp) - -GGRAPH_PRIVATE void -gg_make_thumbnail (const gGraphImagePtr thumbnail, const gGraphImagePtr image) -{ -/* -/ this function builds an high quality thumbnail image, applying pixel interpolation -/ -/ this code is widely base upon the original GD gdImageCopyResampled() function -*/ - int x, y; - double sy1, sy2, sx1, sx2; - unsigned char r; - unsigned char g; - unsigned char b; - unsigned char a; - unsigned char gray; - unsigned char *p; - for (y = 0; y < thumbnail->height; y++) - { - sy1 = - ((double) y) * (double) image->height / - (double) thumbnail->height; - sy2 = - ((double) (y + 1)) * (double) image->height / - (double) thumbnail->height; - for (x = 0; x < thumbnail->width; x++) - { - double sx, sy; - double spixels = 0; - double red = 0.0, green = 0.0, blue = 0.0, alpha = 0.0; - sx1 = - ((double) x) * (double) image->width / - (double) thumbnail->width; - sx2 = - ((double) (x + 1)) * (double) image->width / - (double) thumbnail->width; - sy = sy1; - do - { - double yportion; - if (floor2 (sy) == floor2 (sy1)) - { - yportion = 1.0 - (sy - floor2 (sy)); - if (yportion > sy2 - sy1) - { - yportion = sy2 - sy1; - } - sy = floor2 (sy); - } - else if (sy == floor2 (sy2)) - { - yportion = sy2 - floor2 (sy2); - } - else - { - yportion = 1.0; - } - sx = sx1; - do - { - double xportion; - double pcontribution; - if (floor2 (sx) == floor2 (sx1)) - { - xportion = 1.0 - (sx - floor2 (sx)); - if (xportion > sx2 - sx1) - { - xportion = sx2 - sx1; - } - sx = floor2 (sx); - } - else if (sx == floor2 (sx2)) - { - xportion = sx2 - floor2 (sx2); - } - else - { - xportion = 1.0; - } - pcontribution = xportion * yportion; - /* retrieving the origin pixel */ - p = image->pixels + - ((int) sy * image->scanline_width); - if (image->pixel_format == GG_PIXEL_RGB) - { - p += (int) sx *3; - r = *p++; - g = *p++; - b = *p; - a = 255; - } - else if (image->pixel_format == GG_PIXEL_RGBA) - { - p += (int) sx *4; - r = *p++; - g = *p++; - b = *p++; - a = *p; - } - else if (image->pixel_format == GG_PIXEL_ARGB) - { - p += (int) sx *4; - a = *p++; - r = *p++; - g = *p++; - b = *p; - } - else if (image->pixel_format == GG_PIXEL_BGR) - { - p += (int) sx *3; - b = *p++; - g = *p++; - r = *p; - a = 255; - } - else if (image->pixel_format == GG_PIXEL_BGRA) - { - p += (int) sx *4; - b = *p++; - g = *p++; - r = *p++; - a = *p; - } - else if (image->pixel_format == GG_PIXEL_GRAYSCALE) - { - p += (int) sx; - r = *p; - g = *p; - b = *p; - a = 255; - } - else if (image->pixel_format == GG_PIXEL_PALETTE) - { - p += (int) sx; - r = image->palette_red[*p]; - g = image->palette_green[*p]; - b = image->palette_blue[*p]; - a = 255; - } - red += r * pcontribution; - green += g * pcontribution; - blue += b * pcontribution; - alpha += a * pcontribution; - spixels += xportion * yportion; - sx += 1.0; - } - while (sx < sx2); - sy += 1.0; - } - while (sy < sy2); - if (spixels != 0.0) - { - red /= spixels; - green /= spixels; - blue /= spixels; - alpha /= spixels; - } - if (red > 255.0) - red = 255.0; - if (green > 255.0) - green = 255.0; - if (blue > 255.0) - blue = 255.0; - if (alpha > 255.0) - alpha = 255.0; - /* setting the destination pixel */ - p = thumbnail->pixels + (y * thumbnail->scanline_width); - if (thumbnail->pixel_format == GG_PIXEL_RGB) - { - p += x * 3; - *p++ = (unsigned char) red; - *p++ = (unsigned char) green; - *p = (unsigned char) blue; - } - else if (thumbnail->pixel_format == GG_PIXEL_RGBA) - { - p += x * 4; - *p++ = (unsigned char) red; - *p++ = (unsigned char) green; - *p++ = (unsigned char) blue; - *p = (unsigned char) alpha; - } - else if (thumbnail->pixel_format == GG_PIXEL_ARGB) - { - p += x * 4; - *p++ = (unsigned char) alpha; - *p++ = (unsigned char) red; - *p++ = (unsigned char) green; - *p = (unsigned char) blue; - } - else if (thumbnail->pixel_format == GG_PIXEL_BGR) - { - p += x * 3; - *p++ = (unsigned char) blue; - *p++ = (unsigned char) green; - *p = (unsigned char) red; - } - else if (thumbnail->pixel_format == GG_PIXEL_BGRA) - { - p += x * 4; - *p++ = (unsigned char) blue; - *p++ = (unsigned char) green; - *p++ = (unsigned char) red; - *p = (unsigned char) alpha; - } - else if (thumbnail->pixel_format == GG_PIXEL_GRAYSCALE) - { - p += x; - if (red == green && green == blue) - gray = (unsigned char) red; - else - gray = - to_grayscale ((unsigned char) red, - (unsigned char) green, - (unsigned char) blue); - *p = gray; - } - else if (thumbnail->pixel_format == GG_PIXEL_PALETTE) - { - unsigned char index = - gg_match_palette (thumbnail, (unsigned char) red, - (unsigned char) green, - (unsigned char) blue); - p += x; - *p = index; - } - } - } -} - -GGRAPH_PRIVATE void -gg_make_grid_thumbnail (const gGraphImagePtr thumbnail, - const gGraphImagePtr image) -{ -/* -/ this function builds an high quality thumbnail image, applying pixel interpolation -/ -/ this code is widely base upon the original GD gdImageCopyResampled() function -*/ - int x, y; - double sy1, sy2, sx1, sx2; - short short_value; - unsigned short ushort_value; - int int_value; - unsigned int uint_value; - float float_value; - double double_value; - short *p_short; - unsigned short *p_ushort; - int *p_int; - unsigned int *p_uint; - float *p_float; - double *p_double; - unsigned char *p; - for (y = 0; y < thumbnail->height; y++) - { - sy1 = - ((double) y) * (double) image->height / - (double) thumbnail->height; - sy2 = - ((double) (y + 1)) * (double) image->height / - (double) thumbnail->height; - for (x = 0; x < thumbnail->width; x++) - { - double sx, sy; - double spixels = 0; - double avg = 0.0; - int is_nodata = 0; - sx1 = - ((double) x) * (double) image->width / - (double) thumbnail->width; - sx2 = - ((double) (x + 1)) * (double) image->width / - (double) thumbnail->width; - sy = sy1; - do - { - double yportion; - if (floor2 (sy) == floor2 (sy1)) - { - yportion = 1.0 - (sy - floor2 (sy)); - if (yportion > sy2 - sy1) - { - yportion = sy2 - sy1; - } - sy = floor2 (sy); - } - else if (sy == floor2 (sy2)) - { - yportion = sy2 - floor2 (sy2); - } - else - { - yportion = 1.0; - } - sx = sx1; - do - { - double xportion; - double pcontribution; - if (floor2 (sx) == floor2 (sx1)) - { - xportion = 1.0 - (sx - floor2 (sx)); - if (xportion > sx2 - sx1) - { - xportion = sx2 - sx1; - } - sx = floor2 (sx); - } - else if (sx == floor2 (sx2)) - { - xportion = sx2 - floor2 (sx2); - } - else - { - xportion = 1.0; - } - pcontribution = xportion * yportion; - /* retrieving the origin pixel */ - p = image->pixels + - ((int) sy * image->scanline_width); - if (image->pixel_format == GG_PIXEL_GRID) - { - p += (int) sx *(image->bits_per_sample / 8); - switch (image->sample_format) - { - case GGRAPH_SAMPLE_INT: - if (image->bits_per_sample == 16) - { - p_short = (short *) p; - short_value = *p_short; - if (short_value == - image->no_data_value) - is_nodata = 1; - else - avg += - (double) short_value - * pcontribution; - } - else - { - p_int = (int *) p; - int_value = *p_int; - if (int_value == - image->no_data_value) - is_nodata = 1; - else - avg += - (double) int_value - * pcontribution; - } - break; - case GGRAPH_SAMPLE_UINT: - if (image->bits_per_sample == 16) - { - p_ushort = (unsigned short *) p; - ushort_value = *p_ushort; - if (ushort_value == - image->no_data_value) - is_nodata = 1; - else - avg += - (double) ushort_value - * pcontribution; - } - else - { - p_uint = (unsigned int *) p; - uint_value = *p_uint; - if (uint_value == - image->no_data_value) - is_nodata = 1; - else - avg += - (double) uint_value - * pcontribution; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (image->bits_per_sample == 32) - { - p_float = (float *) p; - float_value = *p_float; - if (float_value == - image->no_data_value) - is_nodata = 1; - else - avg += - (double) float_value - * pcontribution; - } - else - { - p_double = (double *) p; - double_value = *p_double; - if (double_value == - image->no_data_value) - is_nodata = 1; - else - avg += - double_value * - pcontribution; - } - break; - }; - } - spixels += xportion * yportion; - sx += 1.0; - } - while (sx < sx2); - sy += 1.0; - } - while (sy < sy2); - if (spixels != 0.0) - { - if (!is_nodata) - avg /= spixels; - } - /* setting the destination pixel */ - p = thumbnail->pixels + (y * thumbnail->scanline_width); - if (thumbnail->pixel_format == GG_PIXEL_GRID) - { - p += x * (thumbnail->bits_per_sample / 8); - switch (thumbnail->sample_format) - { - case GGRAPH_SAMPLE_INT: - if (thumbnail->bits_per_sample == 16) - { - p_short = (short *) p; - if (is_nodata) - *p_short = - (short) (thumbnail->no_data_value); - else - *p_short = (short) avg; - } - else - { - p_int = (int *) p; - if (is_nodata) - *p_int = (int) (thumbnail->no_data_value); - else - *p_int = (int) avg; - } - break; - case GGRAPH_SAMPLE_UINT: - if (thumbnail->bits_per_sample == 16) - { - p_ushort = (unsigned short *) p; - if (is_nodata) - *p_ushort = - (unsigned - short) (thumbnail->no_data_value); - else - *p_ushort = (unsigned short) avg; - } - else - { - p_uint = (unsigned int *) p; - if (is_nodata) - *p_uint = - (unsigned - int) (thumbnail->no_data_value); - else - *p_uint = (unsigned int) avg; - } - break; - case GGRAPH_SAMPLE_FLOAT: - if (thumbnail->bits_per_sample == 32) - { - p_float = (float *) p; - if (is_nodata) - *p_float = - (float) (thumbnail->no_data_value); - else - *p_float = (float) avg; - } - else - { - p_double = (double *) p; - if (is_nodata) - *p_double = thumbnail->no_data_value; - else - *p_double = avg; - } - break; - }; - } - } - } -} - -GGRAPH_PRIVATE int -gg_convert_image_to_grid_int16 (const gGraphImagePtr img) -{ -/* converting this grid-image to Int16 */ - int x; - int y; - void *pixels; - short value; - unsigned char *p_in; - short *p_out; - - if (img->pixel_format != GG_PIXEL_GRID) - return GGRAPH_INVALID_IMAGE; - - if (img->sample_format == GGRAPH_SAMPLE_INT && img->bits_per_sample == 16) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height * sizeof (short)); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->sample_format == GGRAPH_SAMPLE_UINT - && img->bits_per_sample == 16) - { - value = (short) *((unsigned short *) p_in); - p_in += sizeof (unsigned short); - } - if (img->sample_format == GGRAPH_SAMPLE_INT - && img->bits_per_sample == 32) - { - value = (short) *((int *) p_in); - p_in += sizeof (int); - } - if (img->sample_format == GGRAPH_SAMPLE_UINT - && img->bits_per_sample == 32) - { - value = (short) *((unsigned int *) p_in); - p_in += sizeof (unsigned int); - } - if (img->sample_format == GGRAPH_SAMPLE_FLOAT - && img->bits_per_sample == 32) - { - value = (short) *((float *) p_in); - p_in += sizeof (float); - } - if (img->sample_format == GGRAPH_SAMPLE_FLOAT - && img->bits_per_sample == 64) - { - value = (short) *((double *) p_in); - p_in += sizeof (double); - } - /* setting the destination pixel */ - *p_out++ = value; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_GRID; - img->scanline_width = img->width * sizeof (short); - img->pixel_size = sizeof (short); - img->sample_format = GGRAPH_SAMPLE_INT; - img->bits_per_sample = 16; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_grid_uint16 (const gGraphImagePtr img) -{ -/* converting this grid-image to UInt16 */ - int x; - int y; - void *pixels; - unsigned short value; - unsigned char *p_in; - unsigned short *p_out; - - if (img->pixel_format != GG_PIXEL_GRID) - return GGRAPH_INVALID_IMAGE; - - if (img->sample_format == GGRAPH_SAMPLE_UINT && img->bits_per_sample == 16) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height * sizeof (unsigned short)); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->sample_format == GGRAPH_SAMPLE_INT - && img->bits_per_sample == 16) - { - value = (unsigned short) *((short *) p_in); - p_in += sizeof (short); - } - if (img->sample_format == GGRAPH_SAMPLE_INT - && img->bits_per_sample == 32) - { - value = (unsigned short) *((int *) p_in); - p_in += sizeof (int); - } - if (img->sample_format == GGRAPH_SAMPLE_UINT - && img->bits_per_sample == 32) - { - value = (unsigned short) *((unsigned int *) p_in); - p_in += sizeof (unsigned int); - } - if (img->sample_format == GGRAPH_SAMPLE_FLOAT - && img->bits_per_sample == 32) - { - value = (unsigned short) *((float *) p_in); - p_in += sizeof (float); - } - if (img->sample_format == GGRAPH_SAMPLE_FLOAT - && img->bits_per_sample == 64) - { - value = (unsigned short) *((double *) p_in); - p_in += sizeof (double); - } - /* setting the destination pixel */ - *p_out++ = value; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_GRID; - img->scanline_width = img->width * sizeof (unsigned short); - img->pixel_size = sizeof (unsigned short); - img->sample_format = GGRAPH_SAMPLE_UINT; - img->bits_per_sample = 16; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_grid_int32 (const gGraphImagePtr img) -{ -/* converting this grid-image to Int32 */ - int x; - int y; - void *pixels; - int value; - unsigned char *p_in; - int *p_out; - - if (img->pixel_format != GG_PIXEL_GRID) - return GGRAPH_INVALID_IMAGE; - - if (img->sample_format == GGRAPH_SAMPLE_INT && img->bits_per_sample == 32) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height * sizeof (int)); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->sample_format == GGRAPH_SAMPLE_INT - && img->bits_per_sample == 16) - { - value = (int) *((short *) p_in); - p_in += sizeof (short); - } - if (img->sample_format == GGRAPH_SAMPLE_UINT - && img->bits_per_sample == 16) - { - value = (int) *((unsigned short *) p_in); - p_in += sizeof (unsigned short); - } - if (img->sample_format == GGRAPH_SAMPLE_UINT - && img->bits_per_sample == 32) - { - value = (int) *((unsigned int *) p_in); - p_in += sizeof (unsigned int); - } - if (img->sample_format == GGRAPH_SAMPLE_FLOAT - && img->bits_per_sample == 32) - { - value = (int) *((float *) p_in); - p_in += sizeof (float); - } - if (img->sample_format == GGRAPH_SAMPLE_FLOAT - && img->bits_per_sample == 64) - { - value = (int) *((double *) p_in); - p_in += sizeof (double); - } - /* setting the destination pixel */ - *p_out++ = value; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_GRID; - img->scanline_width = img->width * sizeof (int); - img->pixel_size = sizeof (int); - img->sample_format = GGRAPH_SAMPLE_INT; - img->bits_per_sample = 32; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_grid_uint32 (const gGraphImagePtr img) -{ -/* converting this grid-image to UInt32 */ - int x; - int y; - void *pixels; - unsigned int value; - unsigned char *p_in; - unsigned int *p_out; - - if (img->pixel_format != GG_PIXEL_GRID) - return GGRAPH_INVALID_IMAGE; - - if (img->sample_format == GGRAPH_SAMPLE_UINT && img->bits_per_sample == 32) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height * sizeof (unsigned short)); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->sample_format == GGRAPH_SAMPLE_INT - && img->bits_per_sample == 16) - { - value = (unsigned int) *((short *) p_in); - p_in += sizeof (short); - } - if (img->sample_format == GGRAPH_SAMPLE_UINT - && img->bits_per_sample == 16) - { - value = (unsigned int) *((unsigned short *) p_in); - p_in += sizeof (unsigned short); - } - if (img->sample_format == GGRAPH_SAMPLE_INT - && img->bits_per_sample == 32) - { - value = (unsigned int) *((int *) p_in); - p_in += sizeof (int); - } - if (img->sample_format == GGRAPH_SAMPLE_FLOAT - && img->bits_per_sample == 32) - { - value = (unsigned int) *((float *) p_in); - p_in += sizeof (float); - } - if (img->sample_format == GGRAPH_SAMPLE_FLOAT - && img->bits_per_sample == 64) - { - value = (unsigned int) *((double *) p_in); - p_in += sizeof (double); - } - /* setting the destination pixel */ - *p_out++ = value; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_GRID; - img->scanline_width = img->width * sizeof (unsigned int); - img->pixel_size = sizeof (unsigned int); - img->sample_format = GGRAPH_SAMPLE_UINT; - img->bits_per_sample = 32; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_grid_float (const gGraphImagePtr img) -{ -/* converting this grid-image to Float */ - int x; - int y; - void *pixels; - float value; - unsigned char *p_in; - float *p_out; - - if (img->pixel_format != GG_PIXEL_GRID) - return GGRAPH_INVALID_IMAGE; - - if (img->sample_format == GGRAPH_SAMPLE_FLOAT && img->bits_per_sample == 32) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height * sizeof (short)); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->sample_format == GGRAPH_SAMPLE_INT - && img->bits_per_sample == 16) - { - value = (float) *((short *) p_in); - p_in += sizeof (short); - } - if (img->sample_format == GGRAPH_SAMPLE_UINT - && img->bits_per_sample == 16) - { - value = (float) *((unsigned short *) p_in); - p_in += sizeof (unsigned short); - } - if (img->sample_format == GGRAPH_SAMPLE_INT - && img->bits_per_sample == 32) - { - value = (float) *((int *) p_in); - p_in += sizeof (int); - } - if (img->sample_format == GGRAPH_SAMPLE_UINT - && img->bits_per_sample == 32) - { - value = (float) *((unsigned int *) p_in); - p_in += sizeof (unsigned int); - } - if (img->sample_format == GGRAPH_SAMPLE_FLOAT - && img->bits_per_sample == 64) - { - value = (float) *((double *) p_in); - p_in += sizeof (double); - } - /* setting the destination pixel */ - *p_out++ = value; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_GRID; - img->scanline_width = img->width * sizeof (float); - img->pixel_size = sizeof (float); - img->sample_format = GGRAPH_SAMPLE_INT; - img->bits_per_sample = 32; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_grid_double (const gGraphImagePtr img) -{ -/* converting this grid-image to Double */ - int x; - int y; - void *pixels; - double value; - unsigned char *p_in; - double *p_out; - - if (img->pixel_format != GG_PIXEL_GRID) - return GGRAPH_INVALID_IMAGE; - - if (img->sample_format == GGRAPH_SAMPLE_FLOAT && img->bits_per_sample == 64) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height * sizeof (short)); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->sample_format == GGRAPH_SAMPLE_INT - && img->bits_per_sample == 16) - { - value = (double) *((short *) p_in); - p_in += sizeof (short); - } - if (img->sample_format == GGRAPH_SAMPLE_UINT - && img->bits_per_sample == 16) - { - value = (double) *((unsigned short *) p_in); - p_in += sizeof (unsigned short); - } - if (img->sample_format == GGRAPH_SAMPLE_INT - && img->bits_per_sample == 32) - { - value = (double) *((int *) p_in); - p_in += sizeof (int); - } - if (img->sample_format == GGRAPH_SAMPLE_UINT - && img->bits_per_sample == 32) - { - value = (double) *((unsigned int *) p_in); - p_in += sizeof (unsigned int); - } - if (img->sample_format == GGRAPH_SAMPLE_FLOAT - && img->bits_per_sample == 32) - { - value = (double) *((float *) p_in); - p_in += sizeof (float); - } - /* setting the destination pixel */ - *p_out++ = value; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_GRID; - img->scanline_width = img->width * sizeof (double); - img->pixel_size = sizeof (double); - img->sample_format = GGRAPH_SAMPLE_FLOAT; - img->bits_per_sample = 64; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_rgb (const gGraphImagePtr img) -{ -/* converting this image to RGB */ - int x; - int y; - void *pixels; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char *p_in; - unsigned char *p_out; - - if (img->pixel_format == GG_PIXEL_RGB || img->pixel_format == GG_PIXEL_RGBA - || img->pixel_format == GG_PIXEL_ARGB - || img->pixel_format == GG_PIXEL_BGR - || img->pixel_format == GG_PIXEL_BGRA - || img->pixel_format == GG_PIXEL_GRAYSCALE - || img->pixel_format == GG_PIXEL_PALETTE) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (img->pixel_format == GG_PIXEL_RGB) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height * 3); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width * 3); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping alpha */ - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img->palette_red[index]; - green = img->palette_green[index]; - blue = img->palette_blue[index]; - } - /* setting the destination pixel */ - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_RGB; - img->scanline_width = img->width * 3; - img->pixel_size = 3; - img->max_palette = 0; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_rgba (const gGraphImagePtr img) -{ -/* converting this image to RGBA */ - int x; - int y; - void *pixels; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char alpha; - unsigned char *p_in; - unsigned char *p_out; - - if (img->pixel_format == GG_PIXEL_RGB || img->pixel_format == GG_PIXEL_RGBA - || img->pixel_format == GG_PIXEL_ARGB - || img->pixel_format == GG_PIXEL_BGR - || img->pixel_format == GG_PIXEL_BGRA - || img->pixel_format == GG_PIXEL_GRAYSCALE - || img->pixel_format == GG_PIXEL_PALETTE) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (img->pixel_format == GG_PIXEL_RGBA) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height * 4); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width * 4); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - alpha = 255; - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - alpha = *p_in++; - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - alpha = 255; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - alpha = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - alpha = 255; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img->palette_red[index]; - green = img->palette_green[index]; - blue = img->palette_blue[index]; - alpha = 255; - } - /* setting the destination pixel */ - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - *p_out++ = alpha; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_RGBA; - img->scanline_width = img->width * 4; - img->pixel_size = 4; - img->max_palette = 0; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_argb (const gGraphImagePtr img) -{ -/* converting this image to ARGB */ - int x; - int y; - void *pixels; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char alpha; - unsigned char *p_in; - unsigned char *p_out; - - if (img->pixel_format == GG_PIXEL_RGB || img->pixel_format == GG_PIXEL_RGBA - || img->pixel_format == GG_PIXEL_ARGB - || img->pixel_format == GG_PIXEL_BGR - || img->pixel_format == GG_PIXEL_BGRA - || img->pixel_format == GG_PIXEL_GRAYSCALE - || img->pixel_format == GG_PIXEL_PALETTE) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (img->pixel_format == GG_PIXEL_ARGB) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height * 4); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width * 4); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - alpha = 255; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - alpha = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - alpha = 255; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - alpha = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - alpha = 255; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img->palette_red[index]; - green = img->palette_green[index]; - blue = img->palette_blue[index]; - alpha = 255; - } - /* setting the destination pixel */ - *p_out++ = alpha; - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_ARGB; - img->scanline_width = img->width * 4; - img->pixel_size = 4; - img->max_palette = 0; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_bgr (const gGraphImagePtr img) -{ -/* converting this image to BGR */ - int x; - int y; - void *pixels; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char *p_in; - unsigned char *p_out; - - if (img->pixel_format == GG_PIXEL_RGB || img->pixel_format == GG_PIXEL_RGBA - || img->pixel_format == GG_PIXEL_ARGB - || img->pixel_format == GG_PIXEL_BGR - || img->pixel_format == GG_PIXEL_BGRA - || img->pixel_format == GG_PIXEL_GRAYSCALE - || img->pixel_format == GG_PIXEL_PALETTE) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (img->pixel_format == GG_PIXEL_BGR) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height * 3); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width * 3); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping alpha */ - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img->palette_red[index]; - green = img->palette_green[index]; - blue = img->palette_blue[index]; - } - /* setting the destination pixel */ - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_BGR; - img->scanline_width = img->width * 3; - img->pixel_size = 3; - img->max_palette = 0; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_bgra (const gGraphImagePtr img) -{ -/* converting this image to BGRA */ - int x; - int y; - void *pixels; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char alpha; - unsigned char *p_in; - unsigned char *p_out; - - if (img->pixel_format == GG_PIXEL_RGB || img->pixel_format == GG_PIXEL_RGBA - || img->pixel_format == GG_PIXEL_ARGB - || img->pixel_format == GG_PIXEL_BGR - || img->pixel_format == GG_PIXEL_BGRA - || img->pixel_format == GG_PIXEL_GRAYSCALE - || img->pixel_format == GG_PIXEL_PALETTE) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (img->pixel_format == GG_PIXEL_ARGB) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height * 4); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width * 4); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - alpha = 255; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - alpha = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - alpha = *p_in++; - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - alpha = 255; - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - alpha = 255; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img->palette_red[index]; - green = img->palette_green[index]; - blue = img->palette_blue[index]; - alpha = 255; - } - /* setting the destination pixel */ - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - *p_out++ = alpha; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_BGRA; - img->scanline_width = img->width * 4; - img->pixel_size = 4; - img->max_palette = 0; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_grayscale (const gGraphImagePtr img) -{ -/* converting this image to GRAYSCALE */ - int x; - int y; - void *pixels; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char gray; - unsigned char *p_in; - unsigned char *p_out; - - if (img->pixel_format == GG_PIXEL_RGB || img->pixel_format == GG_PIXEL_RGBA - || img->pixel_format == GG_PIXEL_ARGB - || img->pixel_format == GG_PIXEL_BGR - || img->pixel_format == GG_PIXEL_BGRA - || img->pixel_format == GG_PIXEL_GRAYSCALE - || img->pixel_format == GG_PIXEL_PALETTE) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (img->pixel_format == GG_PIXEL_GRAYSCALE) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping alpha */ - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img->palette_red[index]; - green = img->palette_green[index]; - blue = img->palette_blue[index]; - } - /* setting the destination pixel */ - gray = to_grayscale (red, green, blue); - *p_out++ = gray; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_GRAYSCALE; - img->scanline_width = img->width; - img->pixel_size = 1; - img->max_palette = 0; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_palette (const gGraphImagePtr img) -{ -/* converting this image to PALETTE */ - int x; - int y; - void *pixels; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char index; - unsigned char *p_in; - unsigned char *p_out; - - if (img->pixel_format == GG_PIXEL_RGB || img->pixel_format == GG_PIXEL_RGBA - || img->pixel_format == GG_PIXEL_ARGB - || img->pixel_format == GG_PIXEL_BGR - || img->pixel_format == GG_PIXEL_BGRA - || img->pixel_format == GG_PIXEL_GRAYSCALE - || img->pixel_format == GG_PIXEL_PALETTE) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (img->pixel_format == GG_PIXEL_PALETTE) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - img->max_palette = 0; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping alpha */ - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - } - /* setting the destination pixel */ - index = gg_match_palette (img, red, green, blue); - *p_out++ = index; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_PALETTE; - img->scanline_width = img->width; - img->pixel_size = 1; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_convert_image_to_monochrome (const gGraphImagePtr img) -{ -/* converting this image to MONOCHROME */ - int x; - int y; - void *pixels; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char index; - unsigned char *p_in; - unsigned char *p_out; - - if (img->pixel_format == GG_PIXEL_RGB || img->pixel_format == GG_PIXEL_RGBA - || img->pixel_format == GG_PIXEL_ARGB - || img->pixel_format == GG_PIXEL_BGR - || img->pixel_format == GG_PIXEL_BGRA - || img->pixel_format == GG_PIXEL_GRAYSCALE - || img->pixel_format == GG_PIXEL_PALETTE) - ; - else - return GGRAPH_INVALID_IMAGE; - - if (img->pixel_format == GG_PIXEL_PALETTE - && gg_is_image_monochrome_ready (img) == GGRAPH_TRUE) - return GGRAPH_OK; - - pixels = malloc (img->width * img->height); - if (!pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - for (y = 0; y < img->height; y++) - { - /* processing any scanline */ - p_in = img->pixels + (y * img->scanline_width); - p_out = pixels; - p_out += (y * img->width); - for (x = 0; x < img->width; x++) - { - /* retrieving the origin pixel */ - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping alpha */ - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img->palette_red[index]; - green = img->palette_green[index]; - blue = img->palette_blue[index]; - } - /* setting the destination pixel */ - if (red == 0 && green == 0 && blue == 0) - index = 0; - else if (red == 255 && green == 255 && blue == 255) - index = 1; - else - { - /* neither WHITE nor BLACK */ - unsigned char gray = to_grayscale (red, green, blue); - if (gray < 128) - { - /* defaulting to BLACK */ - index = 0; - } - else - { - /* defaulting to WHITE */ - index = 1; - } - } - *p_out++ = index; - } - } - - free (img->pixels); - img->pixels = pixels; - img->pixel_format = GG_PIXEL_PALETTE; - img->scanline_width = img->width; - img->pixel_size = 1; - img->max_palette = 2; - img->palette_red[0] = 0; - img->palette_green[0] = 0; - img->palette_blue[0] = 0; - img->palette_red[1] = 255; - img->palette_green[1] = 255; - img->palette_blue[1] = 255; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_is_image_monochrome_ready (gGraphImagePtr img) -{ -/* -/ checking if this Image is into the Monochrome colorspace and ready to be used -/ expected: palette, 2 colors, black&white -*/ - int i; - int black = 0; - int white = 0; - if (img->pixel_format != GG_PIXEL_PALETTE) - return GGRAPH_FALSE; - if (img->max_palette != 2) - return GGRAPH_FALSE; - for (i = 0; i < img->max_palette; i++) - { - if (img->palette_red[i] == 0 && img->palette_green[i] == 0 - && img->palette_blue[i] == 0) - black = 1; - if (img->palette_red[i] == 255 && img->palette_green[i] == 255 - && img->palette_blue[i] == 255) - white = 1; - } - if (black && white) - return GGRAPH_TRUE; - return GGRAPH_FALSE; -} - -GGRAPH_PRIVATE int -gg_is_image_monochrome (gGraphImagePtr img) -{ -/* checking if this Image is into the Monochrome colorspace */ - int x; - int y; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char *p_in; - for (y = 0; y < img->height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - /* retrieving a pixel */ - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping alpha */ - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img->palette_red[index]; - green = img->palette_green[index]; - blue = img->palette_blue[index]; - } - if (red == 0 && green == 0 && blue == 0) - continue; - if (red == 255 && green == 255 && blue == 255) - continue; - return GGRAPH_FALSE; - } - } - return GGRAPH_TRUE; -} - -GGRAPH_PRIVATE int -gg_is_image_grayscale (gGraphImagePtr img) -{ -/* checking if this Image is into the GrayScale colorspace */ - int x; - int y; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char *p_in; - if (img->pixel_format == GG_PIXEL_GRAYSCALE) - return GGRAPH_TRUE; - for (y = 0; y < img->height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - /* retrieving a pixel */ - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping alpha */ - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img->palette_red[index]; - green = img->palette_green[index]; - blue = img->palette_blue[index]; - } - if (red == green && green == blue) - continue; - return GGRAPH_FALSE; - } - } - return GGRAPH_TRUE; -} - -static int -palette_check (gGraphImagePtr img, unsigned char r, unsigned char g, - unsigned char b) -{ - unsigned char index; - for (index = 0; index < img->max_palette; index++) - { - /* searching if already defined */ - if (img->palette_red[index] == r && img->palette_green[index] == g - && img->palette_blue[index] == b) - return GGRAPH_TRUE; - } - if (img->max_palette < 255) - { - /* inserting a new palette entry */ - unsigned char i = img->max_palette; - img->max_palette += 1; - img->palette_red[i] = r; - img->palette_green[i] = g; - img->palette_blue[i] = b; - return GGRAPH_TRUE; - } - return GGRAPH_FALSE; -} - -GGRAPH_PRIVATE int -gg_is_image_palette256 (gGraphImagePtr img) -{ -/* checking if this Image may be represented using a 256 colors palette */ - int x; - int y; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char *p_in; - if (img->pixel_format == GG_PIXEL_PALETTE - || img->pixel_format == GG_PIXEL_GRAYSCALE) - return GGRAPH_TRUE; - img->max_palette = 0; - for (y = 0; y < img->height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - /* retrieving a pixel */ - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping alpha */ - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - } - if (palette_check (img, red, green, blue) == GGRAPH_FALSE) - return GGRAPH_FALSE; - } - } - return GGRAPH_TRUE; -} - -static gGraphImagePtr -raw_monochrome (unsigned char *p, int width, int height) -{ -/* creating a visible image from RAW MONOCHROME */ - int x; - int y; - int line_width; - gGraphImagePtr img = gg_image_create (GG_PIXEL_PALETTE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - - if (!img) - return NULL; - - img->max_palette = 2; - img->palette_red[0] = 255; - img->palette_green[0] = 255; - img->palette_blue[0] = 255; - img->palette_red[1] = 0; - img->palette_green[1] = 0; - img->palette_blue[1] = 0; - - line_width = width / 8; - if ((line_width * 8) < width) - line_width++; - - for (y = 0; y < height; y++) - { - unsigned char *p_in = p + (y * line_width); - unsigned char *p_out = img->pixels + (y * img->scanline_width); - unsigned char byte = 0x00; - unsigned char px; - int pixel; - int pos = 0; - for (x = 0; x < width; x++) - { - if (pos == 0) - byte = *p_in++; - pixel = 0; - switch (pos) - { - case 0: - px = byte & 0x80; - if (px == 0x80) - pixel = 1; - break; - case 1: - px = byte & 0x40; - if (px == 0x40) - pixel = 1; - break; - case 2: - px = byte & 0x20; - if (px == 0x20) - pixel = 1; - break; - case 3: - px = byte & 0x10; - if (px == 0x10) - pixel = 1; - break; - case 4: - px = byte & 0x08; - if (px == 0x08) - pixel = 1; - break; - case 5: - px = byte & 0x04; - if (px == 0x04) - pixel = 1; - break; - case 6: - px = byte & 0x02; - if (px == 0x02) - pixel = 1; - break; - case 7: - px = byte & 0x01; - if (px == 0x01) - pixel = 1; - break; - }; - *p_out++ = pixel; - pos++; - if (pos > 7) - { - byte = 0x00; - pos = 0; - } - } - } - return img; -} - -static gGraphImagePtr -raw_rgb (unsigned char *p, int width, int height) -{ -/* creating a visible image from RAW RGB */ - int y; - gGraphImagePtr img = - gg_image_create (GG_PIXEL_RGB, width, height, 8, 3, GGRAPH_SAMPLE_UINT, - NULL, NULL); - - if (!img) - return NULL; - - for (y = 0; y < height; y++) - { - unsigned char *p_in = p + (y * img->scanline_width); - unsigned char *p_out = img->pixels + (y * img->scanline_width); - memcpy (p_out, p_in, img->scanline_width); - } - return img; -} - -static gGraphImagePtr -raw_grayscale (unsigned char *p, int width, int height) -{ -/* creating a visible image from RAW GRAYSCALE */ - int y; - gGraphImagePtr img = - gg_image_create (GG_PIXEL_GRAYSCALE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - - if (!img) - return NULL; - - for (y = 0; y < height; y++) - { - unsigned char *p_in = p + (y * img->scanline_width); - unsigned char *p_out = img->pixels + (y * img->scanline_width); - memcpy (p_out, p_in, img->scanline_width); - } - return img; -} - -static gGraphImagePtr -raw_palette (unsigned char *p, int width, int height) -{ -/* creating a visible image from RAW PALETTE */ - int x; - int y; - gGraphImagePtr img = gg_image_create (GG_PIXEL_PALETTE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - - if (!img) - return NULL; - - srand (1); - for (y = 0; y < height; y++) - { - unsigned char *p_in = p + (y * img->scanline_width); - unsigned char *p_out = img->pixels + (y * img->scanline_width); - for (x = 0; x < width; x++) - { - unsigned int col; - int idx = *p_in++; - *p_out++ = idx; - if (img->max_palette < (idx + 1)) - { - img->max_palette = idx + 1; - col = 255 - (unsigned int) rand () % 256; - img->palette_red[idx] = col; - col = (unsigned int) rand () % 256; - img->palette_green[idx] = col; - col = 255 - (unsigned int) rand () % 256; - img->palette_blue[idx] = col; - } - } - } - return img; -} - -static gGraphImagePtr -raw_int16 (unsigned char *p, int width, int height, int endian) -{ -/* creating a visible image from RAW GRID-INT16 */ - int x; - int y; - int endian_arch = gg_endian_arch (); - unsigned char *p_in; - short value; - short min = SHRT_MAX; - short max = SHRT_MIN; - double step; - double gray; - gGraphImagePtr img = - gg_image_create (GG_PIXEL_GRAYSCALE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - - if (!img) - return NULL; - - for (y = 0; y < height; y++) - { - /* identifying Min/Max values */ - p_in = p + (y * width * sizeof (short)); - for (x = 0; x < width; x++) - { - value = gg_import_int16 (p_in, endian, endian_arch); - p_in += sizeof (short); - if (value > max) - max = value; - if (value < min) - min = value; - } - } - step = (double) (max - min) / 256.0; - for (y = 0; y < height; y++) - { - /* visualizing as Grayscale */ - unsigned char *p_out = img->pixels + (y * img->scanline_width); - p_in = p + (y * width * sizeof (short)); - for (x = 0; x < width; x++) - { - value = gg_import_int16 (p_in, endian, endian_arch); - p_in += sizeof (short); - gray = (double) (value - min) / step; - if (gray < 0.0) - gray = 0.0; - if (gray > 255) - gray = 255.0; - *p_out++ = (short) gray; - } - } - return img; -} - -static gGraphImagePtr -raw_int32 (unsigned char *p, int width, int height, int endian) -{ -/* creating a visible image from RAW GRID-INT32 */ - int x; - int y; - int endian_arch = gg_endian_arch (); - unsigned char *p_in; - int value; - int min = INT_MAX; - int max = INT_MIN; - double step; - double gray; - gGraphImagePtr img = - gg_image_create (GG_PIXEL_GRAYSCALE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - - if (!img) - return NULL; - - for (y = 0; y < height; y++) - { - /* identifying Min/Max values */ - p_in = p + (y * width * sizeof (int)); - for (x = 0; x < width; x++) - { - value = gg_import_int32 (p_in, endian, endian_arch); - p_in += sizeof (int); - if (value > max) - max = value; - if (value < min) - min = value; - } - } - step = (double) (max - min) / 256.0; - for (y = 0; y < height; y++) - { - /* visualizing as Grayscale */ - unsigned char *p_out = img->pixels + (y * img->scanline_width); - p_in = p + (y * width * sizeof (int)); - for (x = 0; x < width; x++) - { - value = gg_import_int32 (p_in, endian, endian_arch); - p_in += sizeof (int); - gray = (double) (value - min) / step; - if (gray < 0.0) - gray = 0.0; - if (gray > 255) - gray = 255.0; - *p_out++ = (short) gray; - } - } - return img; -} - -static gGraphImagePtr -raw_uint16 (unsigned char *p, int width, int height, int endian) -{ -/* creating a visible image from RAW GRID-UINT16 */ - int x; - int y; - int endian_arch = gg_endian_arch (); - unsigned char *p_in; - unsigned short value; - unsigned short min = USHRT_MAX; - unsigned short max = 0; - double step; - double gray; - gGraphImagePtr img = - gg_image_create (GG_PIXEL_GRAYSCALE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - - if (!img) - return NULL; - - for (y = 0; y < height; y++) - { - /* identifying Min/Max values */ - p_in = p + (y * width * sizeof (unsigned short)); - for (x = 0; x < width; x++) - { - value = gg_import_uint16 (p_in, endian, endian_arch); - p_in += sizeof (unsigned short); - if (value > max) - max = value; - if (value < min) - min = value; - } - } - step = (double) (max - min) / 256.0; - for (y = 0; y < height; y++) - { - /* visualizing as Grayscale */ - unsigned char *p_out = img->pixels + (y * img->scanline_width); - p_in = p + (y * width * sizeof (unsigned short)); - for (x = 0; x < width; x++) - { - value = gg_import_uint16 (p_in, endian, endian_arch); - p_in += sizeof (unsigned short); - gray = (double) (value - min) / step; - if (gray < 0.0) - gray = 0.0; - if (gray > 255) - gray = 255.0; - *p_out++ = (short) gray; - } - } - return img; -} - -static gGraphImagePtr -raw_uint32 (unsigned char *p, int width, int height, int endian) -{ -/* creating a visible image from RAW GRID-UINT32 */ - int x; - int y; - int endian_arch = gg_endian_arch (); - unsigned char *p_in; - unsigned int value; - unsigned int min = UINT_MAX; - unsigned int max = 0; - double step; - double gray; - gGraphImagePtr img = - gg_image_create (GG_PIXEL_GRAYSCALE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - - if (!img) - return NULL; - - for (y = 0; y < height; y++) - { - /* identifying Min/Max values */ - p_in = p + (y * width * sizeof (int)); - for (x = 0; x < width; x++) - { - value = gg_import_uint32 (p_in, endian, endian_arch); - p_in += sizeof (unsigned int); - if (value > max) - max = value; - if (value < min) - min = value; - } - } - step = (double) (max - min) / 256.0; - for (y = 0; y < height; y++) - { - /* visualizing as Grayscale */ - unsigned char *p_out = img->pixels + (y * img->scanline_width); - p_in = p + (y * width * sizeof (unsigned int)); - for (x = 0; x < width; x++) - { - value = gg_import_uint32 (p_in, endian, endian_arch); - p_in += sizeof (unsigned int); - gray = (double) (value - min) / step; - if (gray < 0.0) - gray = 0.0; - if (gray > 255) - gray = 255.0; - *p_out++ = (short) gray; - } - } - return img; -} - -static gGraphImagePtr -raw_float (unsigned char *p, int width, int height, int endian) -{ -/* creating a visible image from RAW GRID-FLOAT */ - int x; - int y; - int endian_arch = gg_endian_arch (); - unsigned char *p_in; - float value; - float min = FLT_MAX; - float max = 0.0 - FLT_MAX; - double step; - double gray; - gGraphImagePtr img = - gg_image_create (GG_PIXEL_GRAYSCALE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - - if (!img) - return NULL; - - for (y = 0; y < height; y++) - { - /* identifying Min/Max values */ - p_in = p + (y * width * sizeof (float)); - for (x = 0; x < width; x++) - { - value = gg_import_float (p_in, endian, endian_arch); - p_in += sizeof (float); - if (value > max) - max = value; - if (value < min) - min = value; - } - } - step = (double) (max - min) / 256.0; - for (y = 0; y < height; y++) - { - /* visualizing as Grayscale */ - unsigned char *p_out = img->pixels + (y * img->scanline_width); - p_in = p + (y * width * sizeof (float)); - for (x = 0; x < width; x++) - { - value = gg_import_float (p_in, endian, endian_arch); - p_in += sizeof (float); - gray = (double) (value - min) / step; - if (gray < 0.0) - gray = 0.0; - if (gray > 255) - gray = 255.0; - *p_out++ = (short) gray; - } - } - return img; -} - -static gGraphImagePtr -raw_double (unsigned char *p, int width, int height, int endian) -{ -/* creating a visible image from RAW GRID-DOUBLE */ - int x; - int y; - int endian_arch = gg_endian_arch (); - unsigned char *p_in; - double value; - double min = DBL_MAX; - double max = 0.0 - DBL_MAX; - double step; - double gray; - gGraphImagePtr img = - gg_image_create (GG_PIXEL_GRAYSCALE, width, height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - - if (!img) - return NULL; - - for (y = 0; y < height; y++) - { - /* identifying Min/Max values */ - p_in = p + (y * width * sizeof (float)); - for (x = 0; x < width; x++) - { - value = gg_import_double (p_in, endian, endian_arch); - p_in += sizeof (double); - if (value > max) - max = value; - if (value < min) - min = value; - } - } - step = (double) (max - min) / 256.0; - for (y = 0; y < height; y++) - { - /* visualizing as Grayscale */ - unsigned char *p_out = img->pixels + (y * img->scanline_width); - p_in = p + (y * width * sizeof (double)); - for (x = 0; x < width; x++) - { - value = gg_import_double (p_in, endian, endian_arch); - p_in += sizeof (double); - gray = (value - min) / step; - if (gray < 0.0) - gray = 0.0; - if (gray > 255) - gray = 255.0; - *p_out++ = (short) gray; - } - } - return img; -} - -GGRAPH_PRIVATE int -gg_image_from_raw (int mem_buf_size, const void *mem_buf, - gGraphImagePtr * image_handle) -{ -/* importing a RAW image */ - gGraphImagePtr img = NULL; - int width; - int height; - int line_width; - unsigned char *p = (unsigned char *) mem_buf; - short start_signature; - short end_signature; - int endian_arch = gg_endian_arch (); - - *image_handle = NULL; - if (mem_buf_size < (int) (sizeof (short) * 4)) - return GGRAPH_ERROR; - -/* checking the magic signature */ - start_signature = gg_import_int16 (p, 1, endian_arch); - p = (unsigned char *) mem_buf + mem_buf_size - sizeof (short); - end_signature = gg_import_int16 (p, 1, endian_arch); - if (start_signature == GG_MONOCHROME_START - && end_signature == GG_MONOCHROME_END) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - line_width = width / 8; - if ((line_width * 8) < width) - line_width++; - if ((line_width * height) != - (int) (mem_buf_size - (4 * sizeof (short)))) - return GGRAPH_ERROR; - img = raw_monochrome (p, width, height); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_1_RGB_START - && end_signature == GG_ADAM7_1_RGB_END) || - (start_signature == GG_ADAM7_3_RGB_START - && end_signature == GG_ADAM7_3_RGB_END) || - (start_signature == GG_ADAM7_5_RGB_START - && end_signature == GG_ADAM7_5_RGB_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - line_width = width * 3; - if ((line_width * height) != - (int) (mem_buf_size - (4 * sizeof (short)))) - return GGRAPH_ERROR; - img = raw_rgb (p, width, height); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_1_GRAYSCALE_START - && end_signature == GG_ADAM7_1_GRAYSCALE_END) || - (start_signature == GG_ADAM7_3_GRAYSCALE_START - && end_signature == GG_ADAM7_3_GRAYSCALE_END) || - (start_signature == GG_ADAM7_5_GRAYSCALE_START - && end_signature == GG_ADAM7_5_GRAYSCALE_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - line_width = width; - if ((line_width * height) != - (int) (mem_buf_size - (4 * sizeof (short)))) - return GGRAPH_ERROR; - img = raw_grayscale (p, width, height); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_1_PALETTE_START - && end_signature == GG_ADAM7_1_PALETTE_END) || - (start_signature == GG_ADAM7_3_PALETTE_START - && end_signature == GG_ADAM7_3_PALETTE_END) || - (start_signature == GG_ADAM7_5_PALETTE_START - && end_signature == GG_ADAM7_5_PALETTE_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - line_width = width; - if ((line_width * height) != - (int) (mem_buf_size - (4 * sizeof (short)))) - return GGRAPH_ERROR; - img = raw_palette (p, width, height); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_1_INT16_START - && end_signature == GG_ADAM7_1_INT16_END) || - (start_signature == GG_ADAM7_3_INT16_START - && end_signature == GG_ADAM7_3_INT16_END) || - (start_signature == GG_ADAM7_5_INT16_START - && end_signature == GG_ADAM7_5_INT16_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - line_width = width * sizeof (short); - if ((line_width * height) != - (int) (mem_buf_size - (4 * sizeof (short)))) - return GGRAPH_ERROR; - img = raw_int16 (p, width, height, 1); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_1_UINT16_START - && end_signature == GG_ADAM7_1_UINT16_END) || - (start_signature == GG_ADAM7_3_UINT16_START - && end_signature == GG_ADAM7_3_UINT16_END) || - (start_signature == GG_ADAM7_5_UINT16_START - && end_signature == GG_ADAM7_5_UINT16_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - line_width = width * sizeof (unsigned short); - if ((line_width * height) != - (int) (mem_buf_size - (4 * sizeof (short)))) - return GGRAPH_ERROR; - img = raw_uint16 (p, width, height, 1); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_1_INT32_START - && end_signature == GG_ADAM7_1_INT32_END) || - (start_signature == GG_ADAM7_3_INT32_START - && end_signature == GG_ADAM7_3_INT32_END) || - (start_signature == GG_ADAM7_5_INT32_START - && end_signature == GG_ADAM7_5_INT32_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - line_width = width * sizeof (int); - if ((line_width * height) != - (int) (mem_buf_size - (4 * sizeof (short)))) - return GGRAPH_ERROR; - img = raw_int32 (p, width, height, 1); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_1_UINT32_START - && end_signature == GG_ADAM7_1_UINT32_END) || - (start_signature == GG_ADAM7_3_UINT32_START - && end_signature == GG_ADAM7_3_UINT32_END) || - (start_signature == GG_ADAM7_5_UINT32_START - && end_signature == GG_ADAM7_5_UINT32_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - line_width = width * sizeof (unsigned int); - if ((line_width * height) != - (int) (mem_buf_size - (4 * sizeof (short)))) - return GGRAPH_ERROR; - img = raw_uint32 (p, width, height, 1); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_1_FLOAT_START - && end_signature == GG_ADAM7_1_FLOAT_END) || - (start_signature == GG_ADAM7_3_FLOAT_START - && end_signature == GG_ADAM7_3_FLOAT_END) || - (start_signature == GG_ADAM7_5_FLOAT_START - && end_signature == GG_ADAM7_5_FLOAT_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - line_width = width * sizeof (float); - if ((line_width * height) != - (int) (mem_buf_size - (4 * sizeof (short)))) - return GGRAPH_ERROR; - img = raw_float (p, width, height, 1); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_1_DOUBLE_START - && end_signature == GG_ADAM7_1_DOUBLE_END) || - (start_signature == GG_ADAM7_3_DOUBLE_START - && end_signature == GG_ADAM7_3_DOUBLE_END) || - (start_signature == GG_ADAM7_5_DOUBLE_START - && end_signature == GG_ADAM7_5_DOUBLE_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 1, endian_arch); - p += sizeof (short); - line_width = width * sizeof (double); - if ((line_width * height) != - (int) (mem_buf_size - (4 * sizeof (short)))) - return GGRAPH_ERROR; - img = raw_double (p, width, height, 1); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - - p = (unsigned char *) mem_buf; - start_signature = gg_import_int16 (p, 0, endian_arch); - p = (unsigned char *) mem_buf + mem_buf_size - sizeof (short); - end_signature = gg_import_int16 (p, 0, endian_arch); - if ((start_signature == GG_ADAM7_0_RGB_START - && end_signature == GG_ADAM7_0_RGB_END) || - (start_signature == GG_ADAM7_2_RGB_START - && end_signature == GG_ADAM7_2_RGB_END) || - (start_signature == GG_ADAM7_4_RGB_START - && end_signature == GG_ADAM7_4_RGB_END) || - (start_signature == GG_ADAM7_6_RGB_START - && end_signature == GG_ADAM7_6_RGB_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - img = raw_rgb (p, width, height); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_0_GRAYSCALE_START - && end_signature == GG_ADAM7_0_GRAYSCALE_END) || - (start_signature == GG_ADAM7_2_GRAYSCALE_START - && end_signature == GG_ADAM7_2_GRAYSCALE_END) || - (start_signature == GG_ADAM7_4_GRAYSCALE_START - && end_signature == GG_ADAM7_4_GRAYSCALE_END) || - (start_signature == GG_ADAM7_6_GRAYSCALE_START - && end_signature == GG_ADAM7_6_GRAYSCALE_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - img = raw_grayscale (p, width, height); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_0_PALETTE_START - && end_signature == GG_ADAM7_0_PALETTE_END) || - (start_signature == GG_ADAM7_2_PALETTE_START - && end_signature == GG_ADAM7_2_PALETTE_END) || - (start_signature == GG_ADAM7_4_PALETTE_START - && end_signature == GG_ADAM7_4_PALETTE_END) || - (start_signature == GG_ADAM7_6_PALETTE_START - && end_signature == GG_ADAM7_6_PALETTE_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - img = raw_palette (p, width, height); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_0_INT16_START - && end_signature == GG_ADAM7_0_INT16_END) || - (start_signature == GG_ADAM7_2_INT16_START - && end_signature == GG_ADAM7_2_INT16_END) || - (start_signature == GG_ADAM7_4_INT16_START - && end_signature == GG_ADAM7_4_INT16_END) || - (start_signature == GG_ADAM7_6_INT16_START - && end_signature == GG_ADAM7_6_INT16_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - img = raw_int16 (p, width, height, 0); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_0_UINT16_START - && end_signature == GG_ADAM7_0_UINT16_END) || - (start_signature == GG_ADAM7_2_UINT16_START - && end_signature == GG_ADAM7_2_UINT16_END) || - (start_signature == GG_ADAM7_4_UINT16_START - && end_signature == GG_ADAM7_4_UINT16_END) || - (start_signature == GG_ADAM7_6_UINT16_START - && end_signature == GG_ADAM7_6_UINT16_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - img = raw_uint16 (p, width, height, 0); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_0_INT32_START - && end_signature == GG_ADAM7_0_INT32_END) || - (start_signature == GG_ADAM7_2_INT32_START - && end_signature == GG_ADAM7_2_INT32_END) || - (start_signature == GG_ADAM7_4_INT32_START - && end_signature == GG_ADAM7_4_INT32_END) || - (start_signature == GG_ADAM7_6_INT32_START - && end_signature == GG_ADAM7_6_INT32_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - img = raw_int32 (p, width, height, 0); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_0_UINT32_START - && end_signature == GG_ADAM7_0_UINT32_END) || - (start_signature == GG_ADAM7_2_UINT32_START - && end_signature == GG_ADAM7_2_UINT32_END) || - (start_signature == GG_ADAM7_4_UINT32_START - && end_signature == GG_ADAM7_4_UINT32_END) || - (start_signature == GG_ADAM7_6_UINT32_START - && end_signature == GG_ADAM7_6_UINT32_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - img = raw_uint32 (p, width, height, 0); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_0_FLOAT_START - && end_signature == GG_ADAM7_0_FLOAT_END) || - (start_signature == GG_ADAM7_2_FLOAT_START - && end_signature == GG_ADAM7_2_FLOAT_END) || - (start_signature == GG_ADAM7_4_FLOAT_START - && end_signature == GG_ADAM7_4_FLOAT_END) || - (start_signature == GG_ADAM7_6_FLOAT_START - && end_signature == GG_ADAM7_6_FLOAT_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - img = raw_float (p, width, height, 0); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - if ((start_signature == GG_ADAM7_0_DOUBLE_START - && end_signature == GG_ADAM7_0_DOUBLE_END) || - (start_signature == GG_ADAM7_2_DOUBLE_START - && end_signature == GG_ADAM7_2_DOUBLE_END) || - (start_signature == GG_ADAM7_4_DOUBLE_START - && end_signature == GG_ADAM7_4_DOUBLE_END) || - (start_signature == GG_ADAM7_6_DOUBLE_START - && end_signature == GG_ADAM7_6_DOUBLE_END)) - { - p = (unsigned char *) mem_buf + sizeof (short); - width = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - height = gg_import_int16 (p, 0, endian_arch); - p += sizeof (short); - img = raw_double (p, width, height, 0); - if (!img) - return GGRAPH_ERROR; - *image_handle = img; - return GGRAPH_OK; - } - - return GGRAPH_ERROR; -} - -static int -is_near_transparent (unsigned char r, unsigned char g, unsigned char b, - const gGraphImagePtr img) -{ -/* checking if this one is a near-transparent value */ - int diff; - if (r == img->transparent_red && g == img->transparent_green - && b == img->transparent_blue) - return 0; - diff = r - img->transparent_red; - if (diff <= 8 && diff >= -8) - ; - else - return 0; - diff = g - img->transparent_green; - if (diff <= 8 && diff >= -8) - ; - else - return 0; - diff = b - img->transparent_blue; - if (diff <= 8 && diff >= -8) - ; - else - return 0; - return 1; -} - -GGRAPH_PRIVATE int -gg_resample_transparent_rgb (const gGraphImagePtr img) -{ -/* -/ resampling colors so to make near-transparent values -/ to be really transparent -*/ - int x; - int y; - unsigned char *p_in; - unsigned char *p_out; - unsigned char r; - unsigned char g; - unsigned char b; - - if (img->pixel_format != GG_PIXEL_RGB) - return GGRAPH_ERROR; - - for (y = 0; y < img->height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - p_out = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - if (is_near_transparent (r, g, b, img)) - { - *p_out++ = img->transparent_red; - *p_out++ = img->transparent_green; - *p_out++ = img->transparent_blue; - } - else - p_out += 3; - } - } - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_resample_transparent_rgba (const gGraphImagePtr img) -{ -/* -/ resampling colors so to make near-transparent values -/ to be really transparent -*/ - int x; - int y; - unsigned char *p_in; - unsigned char *p_out; - unsigned char r; - unsigned char g; - unsigned char b; - - if (img->pixel_format != GG_PIXEL_RGBA) - return GGRAPH_ERROR; - - for (y = 0; y < img->height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - p_out = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - p_in++; - if (is_near_transparent (r, g, b, img)) - { - *p_out++ = img->transparent_red; - *p_out++ = img->transparent_green; - *p_out++ = img->transparent_blue; - *p_out++ = 0; - } - else - p_out += 4; - } - } - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_resample_transparent_grayscale (const gGraphImagePtr img) -{ -/* -/ resampling colors so to make near-transparent values -/ to be really transparent -*/ - int x; - int y; - unsigned char r; - unsigned char g; - unsigned char b; - unsigned char *p_in; - unsigned char *p_out; - - if (img->pixel_format != GG_PIXEL_GRAYSCALE) - return GGRAPH_ERROR; - if (img->transparent_red == img->transparent_green - && img->transparent_red == img->transparent_blue) - ; - else - return GGRAPH_OK; - - for (y = 0; y < img->height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - p_out = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - r = *p_in++; - g = r; - b = r; - if (is_near_transparent (r, g, b, img)) - *p_out = img->transparent_red; - p_out++; - } - } - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_resample_transparent_palette (const gGraphImagePtr img) -{ -/* -/ resampling colors so to make near-transparent values -/ to be really transparent -*/ - int x; - int y; - int idx; - unsigned char r; - unsigned char g; - unsigned char b; - int transparent_idx = -1; - unsigned char *p_in; - unsigned char *p_out; - - if (img->pixel_format != GG_PIXEL_RGB) - return GGRAPH_ERROR; - for (idx = 0; idx < img->max_palette; idx++) - { - if (img->palette_red[idx] == img->transparent_red && - img->palette_green[idx] == img->transparent_green && - img->palette_blue[idx] == img->transparent_blue) - { - transparent_idx = idx; - break; - } - } - if (transparent_idx < 0) - return GGRAPH_OK; - - for (y = 0; y < img->height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - p_out = p_in; - for (x = 0; x < img->width; x++) - { - idx = *p_in++; - r = img->palette_red[idx]; - g = img->palette_green[idx]; - b = img->palette_blue[idx]; - if (is_near_transparent (r, g, b, img)) - *p_out = transparent_idx; - p_out++; - } - } - return GGRAPH_OK; -} DELETED src/gaiagraphics_io.c Index: src/gaiagraphics_io.c ================================================================== --- src/gaiagraphics_io.c +++ src/gaiagraphics_io.c @@ -1,1139 +0,0 @@ -/* -/ gaiagraphics_io.c -/ -/ IO helper methods -/ -/ version 1.0, 2010 July 20 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2009 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include - -#include - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -#define TRUE 1 -#define FALSE 0 - -GGRAPH_DECLARE void -gGraphSmartPrintf (double value, char *buf) -{ -/* well formatting a decimal number */ - int i; - sprintf (buf, "%1.18f", value); - for (i = strlen (buf) - 1; i >= 0; i--) - { - if (buf[i] == '0') - buf[i] = '\0'; - else - break; - } - i = strlen (buf) - 1; - if (buf[i] == '.') - buf[i] = '\0'; -} - -GGRAPH_PRIVATE int -gg_endian_arch () -{ -/* checking if target CPU is a little-endian one */ - union cvt - { - unsigned char byte[4]; - int int_value; - } convert; - convert.int_value = 1; - if (convert.byte[0] == 0) - return 0; - return 1; -} - -GGRAPH_PRIVATE short -gg_import_int16 (const unsigned char *p, int little_endian, - int little_endian_arch) -{ -/* fetches a signed 16bit int from BLOB respecting declared endiannes */ - union cvt - { - unsigned char byte[2]; - short short_value; - } convert; - if (little_endian_arch) - { - /* Litte-Endian architecture [e.g. x86] */ - if (!little_endian) - { - /* Big Endian data */ - convert.byte[0] = *(p + 1); - convert.byte[1] = *(p + 0); - } - else - { - /* Little Endian data */ - convert.byte[0] = *(p + 0); - convert.byte[1] = *(p + 1); - } - } - else - { - /* Big Endian architecture [e.g. PPC] */ - if (!little_endian) - { - /* Big Endian data */ - convert.byte[0] = *(p + 0); - convert.byte[1] = *(p + 1); - } - else - { - /* Little Endian data */ - convert.byte[0] = *(p + 1); - convert.byte[1] = *(p + 0); - } - } - return convert.short_value; -} - -GGRAPH_PRIVATE unsigned short -gg_import_uint16 (const unsigned char *p, int little_endian, - int little_endian_arch) -{ -/* fetches an unsigned 16bit int from BLOB respecting declared endiannes */ - union cvt - { - unsigned char byte[2]; - unsigned short short_value; - } convert; - if (little_endian_arch) - { - /* Litte-Endian architecture [e.g. x86] */ - if (!little_endian) - { - /* Big Endian data */ - convert.byte[0] = *(p + 1); - convert.byte[1] = *(p + 0); - } - else - { - /* Little Endian data */ - convert.byte[0] = *(p + 0); - convert.byte[1] = *(p + 1); - } - } - else - { - /* Big Endian architecture [e.g. PPC] */ - if (!little_endian) - { - /* Big Endian data */ - convert.byte[0] = *(p + 0); - convert.byte[1] = *(p + 1); - } - else - { - /* Little Endian data */ - convert.byte[0] = *(p + 1); - convert.byte[1] = *(p + 0); - } - } - return convert.short_value; -} - -GGRAPH_PRIVATE int -gg_import_int32 (const unsigned char *p, int little_endian, - int little_endian_arch) -{ -/* fetches a signed 32bit int from BLOB respecting declared endiannes */ - union cvt - { - unsigned char byte[4]; - int int_value; - } convert; - if (little_endian_arch) - { - /* Litte-Endian architecture [e.g. x86] */ - if (!little_endian) - { - /* Big Endian data */ - convert.byte[0] = *(p + 3); - convert.byte[1] = *(p + 2); - convert.byte[2] = *(p + 1); - convert.byte[3] = *(p + 0); - } - else - { - /* Little Endian data */ - convert.byte[0] = *(p + 0); - convert.byte[1] = *(p + 1); - convert.byte[2] = *(p + 2); - convert.byte[3] = *(p + 3); - } - } - else - { - /* Big Endian architecture [e.g. PPC] */ - if (!little_endian) - { - /* Big Endian data */ - convert.byte[0] = *(p + 0); - convert.byte[1] = *(p + 1); - convert.byte[2] = *(p + 2); - convert.byte[3] = *(p + 3); - } - else - { - /* Little Endian data */ - convert.byte[0] = *(p + 3); - convert.byte[1] = *(p + 2); - convert.byte[2] = *(p + 1); - convert.byte[3] = *(p + 0); - } - } - return convert.int_value; -} - -GGRAPH_PRIVATE unsigned int -gg_import_uint32 (const unsigned char *p, int little_endian, - int little_endian_arch) -{ -/* fetches an unsigned 32bit int from BLOB respecting declared endiannes */ - union cvt - { - unsigned char byte[4]; - unsigned int int_value; - } convert; - if (little_endian_arch) - { - /* Litte-Endian architecture [e.g. x86] */ - if (!little_endian) - { - /* Big Endian data */ - convert.byte[0] = *(p + 3); - convert.byte[1] = *(p + 2); - convert.byte[2] = *(p + 1); - convert.byte[3] = *(p + 0); - } - else - { - /* Little Endian data */ - convert.byte[0] = *(p + 0); - convert.byte[1] = *(p + 1); - convert.byte[2] = *(p + 2); - convert.byte[3] = *(p + 3); - } - } - else - { - /* Big Endian architecture [e.g. PPC] */ - if (!little_endian) - { - /* Big Endian data */ - convert.byte[0] = *(p + 0); - convert.byte[1] = *(p + 1); - convert.byte[2] = *(p + 2); - convert.byte[3] = *(p + 3); - } - else - { - /* Little Endian data */ - convert.byte[0] = *(p + 3); - convert.byte[1] = *(p + 2); - convert.byte[2] = *(p + 1); - convert.byte[3] = *(p + 0); - } - } - return convert.int_value; -} - -GGRAPH_PRIVATE float -gg_import_float (const unsigned char *p, int little_endian, - int little_endian_arch) -{ -/* fetches a 32bit float from BLOB respecting declared endiannes */ - union cvt - { - unsigned char byte[4]; - float flt_value; - } convert; - if (little_endian_arch) - { - /* Litte-Endian architecture [e.g. x86] */ - if (!little_endian) - { - /* Big Endian data */ - convert.byte[0] = *(p + 3); - convert.byte[1] = *(p + 2); - convert.byte[2] = *(p + 1); - convert.byte[3] = *(p + 0); - } - else - { - /* Little Endian data */ - convert.byte[0] = *(p + 0); - convert.byte[1] = *(p + 1); - convert.byte[2] = *(p + 2); - convert.byte[3] = *(p + 3); - } - } - else - { - /* Big Endian architecture [e.g. PPC] */ - if (!little_endian) - { - /* Big Endian data */ - convert.byte[0] = *(p + 0); - convert.byte[1] = *(p + 1); - convert.byte[2] = *(p + 2); - convert.byte[3] = *(p + 3); - } - else - { - /* Little Endian data */ - convert.byte[0] = *(p + 3); - convert.byte[1] = *(p + 2); - convert.byte[2] = *(p + 1); - convert.byte[3] = *(p + 0); - } - } - return convert.flt_value; -} - -GGRAPH_PRIVATE double -gg_import_double (const unsigned char *p, int little_endian, - int little_endian_arch) -{ -/* fetches a 64bit double from BLOB respecting declared endiannes */ - union cvt - { - unsigned char byte[8]; - double double_value; - } convert; - if (little_endian_arch) - { -/* Litte-Endian architecture [e.g. x86] */ - if (!little_endian) - { - /* Big Endian data */ - convert.byte[0] = *(p + 7); - convert.byte[1] = *(p + 6); - convert.byte[2] = *(p + 5); - convert.byte[3] = *(p + 4); - convert.byte[4] = *(p + 3); - convert.byte[5] = *(p + 2); - convert.byte[6] = *(p + 1); - convert.byte[7] = *(p + 0); - } - else - { - /* Little Endian data */ - convert.byte[0] = *(p + 0); - convert.byte[1] = *(p + 1); - convert.byte[2] = *(p + 2); - convert.byte[3] = *(p + 3); - convert.byte[4] = *(p + 4); - convert.byte[5] = *(p + 5); - convert.byte[6] = *(p + 6); - convert.byte[7] = *(p + 7); - } - } - else - { - /* Big Endian architecture [e.g. PPC] */ - if (!little_endian) - { - /* Big Endian data */ - convert.byte[0] = *(p + 0); - convert.byte[1] = *(p + 1); - convert.byte[2] = *(p + 2); - convert.byte[3] = *(p + 3); - convert.byte[4] = *(p + 4); - convert.byte[5] = *(p + 5); - convert.byte[6] = *(p + 6); - convert.byte[7] = *(p + 7); - } - else - { - /* Little Endian data */ - convert.byte[0] = *(p + 7); - convert.byte[1] = *(p + 6); - convert.byte[2] = *(p + 5); - convert.byte[3] = *(p + 4); - convert.byte[4] = *(p + 3); - convert.byte[5] = *(p + 2); - convert.byte[6] = *(p + 1); - convert.byte[7] = *(p + 0); - } - } - return convert.double_value; -} - -GGRAPH_PRIVATE void -gg_export_int16 (short value, unsigned char *p, int little_endian, - int little_endian_arch) -{ -/* stores a signed 16bit int into a BLOB respecting declared endiannes */ - union cvt - { - unsigned char byte[2]; - short short_value; - } convert; - convert.short_value = value; - if (little_endian_arch) - { - /* Litte-Endian architecture [e.g. x86] */ - if (!little_endian) - { - /* Big Endian data */ - *(p + 1) = convert.byte[0]; - *(p + 0) = convert.byte[1]; - } - else - { - /* Little Endian data */ - *(p + 0) = convert.byte[0]; - *(p + 1) = convert.byte[1]; - } - } - else - { - /* Big Endian architecture [e.g. PPC] */ - if (!little_endian) - { - /* Big Endian data */ - *(p + 0) = convert.byte[0]; - *(p + 1) = convert.byte[1]; - } - else - { - /* Little Endian data */ - *(p + 1) = convert.byte[0]; - *(p + 0) = convert.byte[1]; - } - } -} - -GGRAPH_PRIVATE void -gg_export_uint16 (unsigned short value, unsigned char *p, int little_endian, - int little_endian_arch) -{ -/* stores an unsigned 16bit int into a BLOB respecting declared endiannes */ - union cvt - { - unsigned char byte[2]; - unsigned short ushort_value; - } convert; - convert.ushort_value = value; - if (little_endian_arch) - { - /* Litte-Endian architecture [e.g. x86] */ - if (!little_endian) - { - /* Big Endian data */ - *(p + 1) = convert.byte[0]; - *(p + 0) = convert.byte[1]; - } - else - { - /* Little Endian data */ - *(p + 0) = convert.byte[0]; - *(p + 1) = convert.byte[1]; - } - } - else - { - /* Big Endian architecture [e.g. PPC] */ - if (!little_endian) - { - /* Big Endian data */ - *(p + 0) = convert.byte[0]; - *(p + 1) = convert.byte[1]; - } - else - { - /* Little Endian data */ - *(p + 1) = convert.byte[0]; - *(p + 0) = convert.byte[1]; - } - } -} - -GGRAPH_PRIVATE void -gg_export_int32 (int value, unsigned char *p, int little_endian, - int little_endian_arch) -{ -/* stores a signed 32bit int into a BLOB respecting declared endiannes */ - union cvt - { - unsigned char byte[4]; - int int_value; - } convert; - convert.int_value = value; - if (little_endian_arch) - { - /* Litte-Endian architecture [e.g. x86] */ - if (!little_endian) - { - /* Big Endian data */ - *(p + 3) = convert.byte[0]; - *(p + 2) = convert.byte[1]; - *(p + 1) = convert.byte[2]; - *(p + 0) = convert.byte[3]; - } - else - { - /* Little Endian data */ - *(p + 0) = convert.byte[0]; - *(p + 1) = convert.byte[1]; - *(p + 2) = convert.byte[2]; - *(p + 3) = convert.byte[3]; - } - } - else - { - /* Big Endian architecture [e.g. PPC] */ - if (!little_endian) - { - /* Big Endian data */ - *(p + 0) = convert.byte[0]; - *(p + 1) = convert.byte[1]; - *(p + 2) = convert.byte[2]; - *(p + 3) = convert.byte[3]; - } - else - { - /* Little Endian data */ - *(p + 3) = convert.byte[0]; - *(p + 2) = convert.byte[1]; - *(p + 1) = convert.byte[2]; - *(p + 0) = convert.byte[3]; - } - } -} - -GGRAPH_PRIVATE void -gg_export_uint32 (unsigned int value, unsigned char *p, int little_endian, - int little_endian_arch) -{ -/* stores an unsigned 32bit int into a BLOB respecting declared endiannes */ - union cvt - { - unsigned char byte[4]; - unsigned int uint_value; - } convert; - convert.uint_value = value; - if (little_endian_arch) - { - /* Litte-Endian architecture [e.g. x86] */ - if (!little_endian) - { - /* Big Endian data */ - *(p + 3) = convert.byte[0]; - *(p + 2) = convert.byte[1]; - *(p + 1) = convert.byte[2]; - *(p + 0) = convert.byte[3]; - } - else - { - /* Little Endian data */ - *(p + 0) = convert.byte[0]; - *(p + 1) = convert.byte[1]; - *(p + 2) = convert.byte[2]; - *(p + 3) = convert.byte[3]; - } - } - else - { - /* Big Endian architecture [e.g. PPC] */ - if (!little_endian) - { - /* Big Endian data */ - *(p + 0) = convert.byte[0]; - *(p + 1) = convert.byte[1]; - *(p + 2) = convert.byte[2]; - *(p + 3) = convert.byte[3]; - } - else - { - /* Little Endian data */ - *(p + 3) = convert.byte[0]; - *(p + 2) = convert.byte[1]; - *(p + 1) = convert.byte[2]; - *(p + 0) = convert.byte[3]; - } - } -} - -GGRAPH_PRIVATE void -gg_export_float (float value, unsigned char *p, int little_endian, - int little_endian_arch) -{ -/* stores a Float into a BLOB respecting declared endiannes */ - union cvt - { - unsigned char byte[4]; - float flt_value; - } convert; - convert.flt_value = value; - if (little_endian_arch) - { - /* Litte-Endian architecture [e.g. x86] */ - if (!little_endian) - { - /* Big Endian data */ - *(p + 3) = convert.byte[0]; - *(p + 2) = convert.byte[1]; - *(p + 1) = convert.byte[2]; - *(p + 0) = convert.byte[3]; - } - else - { - /* Little Endian data */ - *(p + 0) = convert.byte[0]; - *(p + 1) = convert.byte[1]; - *(p + 2) = convert.byte[2]; - *(p + 3) = convert.byte[3]; - } - } - else - { - /* Big Endian architecture [e.g. PPC] */ - if (!little_endian) - { - /* Big Endian data */ - *(p + 0) = convert.byte[0]; - *(p + 1) = convert.byte[1]; - *(p + 2) = convert.byte[2]; - *(p + 3) = convert.byte[3]; - } - else - { - /* Little Endian data */ - *(p + 3) = convert.byte[0]; - *(p + 2) = convert.byte[1]; - *(p + 1) = convert.byte[2]; - *(p + 0) = convert.byte[3]; - } - } -} - -GGRAPH_PRIVATE void -gg_export_double (double value, unsigned char *p, int little_endian, - int little_endian_arch) -{ -/* stores a Double into a BLOB respecting declared endiannes */ - union cvt - { - unsigned char byte[8]; - double dbl_value; - } convert; - convert.dbl_value = value; - if (little_endian_arch) - { - /* Litte-Endian architecture [e.g. x86] */ - if (!little_endian) - { - /* Big Endian data */ - *(p + 7) = convert.byte[0]; - *(p + 6) = convert.byte[1]; - *(p + 5) = convert.byte[2]; - *(p + 4) = convert.byte[3]; - *(p + 3) = convert.byte[4]; - *(p + 2) = convert.byte[5]; - *(p + 1) = convert.byte[6]; - *(p + 0) = convert.byte[7]; - } - else - { - /* Little Endian data */ - *(p + 0) = convert.byte[0]; - *(p + 1) = convert.byte[1]; - *(p + 2) = convert.byte[2]; - *(p + 3) = convert.byte[3]; - *(p + 4) = convert.byte[4]; - *(p + 5) = convert.byte[5]; - *(p + 6) = convert.byte[6]; - *(p + 7) = convert.byte[7]; - } - } - else - { - /* Big Endian architecture [e.g. PPC] */ - if (!little_endian) - { - /* Big Endian data */ - *(p + 0) = convert.byte[0]; - *(p + 1) = convert.byte[1]; - *(p + 2) = convert.byte[2]; - *(p + 3) = convert.byte[3]; - *(p + 4) = convert.byte[4]; - *(p + 5) = convert.byte[5]; - *(p + 6) = convert.byte[6]; - *(p + 7) = convert.byte[7]; - } - else - { - /* Little Endian data */ - *(p + 7) = convert.byte[0]; - *(p + 6) = convert.byte[1]; - *(p + 5) = convert.byte[2]; - *(p + 4) = convert.byte[3]; - *(p + 3) = convert.byte[4]; - *(p + 2) = convert.byte[5]; - *(p + 1) = convert.byte[6]; - *(p + 0) = convert.byte[7]; - } - } -} - -/* -/ -/ DISCLAIMER: -/ all the following code merely is an 'ad hoc' adaption -/ deriving from the original GD lib code -/ -*/ - -static int -xgdReallocMemory (dynamicPtr * dp, int required) -{ - void *newPtr; - if ((newPtr = realloc (dp->data, required))) - { - dp->realSize = required; - dp->data = newPtr; - return TRUE; - } - newPtr = malloc (required); - if (!newPtr) - { - dp->dataGood = FALSE; - return FALSE; - } - memcpy (newPtr, dp->data, dp->logicalSize); - free (dp->data); - dp->data = newPtr; - dp->realSize = required; - return TRUE; -} - -static void -xgdFreeMemoryCtx (struct xgdIOCtx *ctx) -{ - dynamicPtr *dp; - dpIOCtx *dctx; - dctx = (dpIOCtx *) ctx; - dp = dctx->dp; - free (ctx); - if ((dp->data != NULL) && (dp->freeOK)) - { - free (dp->data); - dp->data = NULL; - } - dp->realSize = 0; - dp->logicalSize = 0; - free (dp); -} - -static void -xgdFreeFileCtx (struct xgdIOCtx *ctx) -{ - dynamicPtr *dp; - dpIOCtx *dctx; - dctx = (dpIOCtx *) ctx; - dp = dctx->dp; - free (ctx); - free (dp); -} - -static int -allocMemory (dynamicPtr * dp, int initialSize, const void *data) -{ - if (data == NULL) - { - dp->logicalSize = 0; - dp->dataGood = FALSE; - dp->data = malloc (initialSize); - } - else - { - dp->logicalSize = initialSize; - dp->dataGood = TRUE; - dp->data = (void *) data; - } - if (dp->data != NULL) - { - dp->realSize = initialSize; - dp->dataGood = TRUE; - dp->pos = 0; - return TRUE; - } - else - { - dp->realSize = 0; - return FALSE; - } -} - -static int -appendMemory (dynamicPtr * dp, const void *src, int size) -{ - int bytesNeeded; - char *tmp; - if (!dp->dataGood) - return FALSE; - bytesNeeded = dp->pos + size; - if (bytesNeeded > dp->realSize) - { - if (!dp->freeOK) - return FALSE; - if (overflow2 (dp->realSize, 2)) - return FALSE; - if (!xgdReallocMemory (dp, bytesNeeded * 2)) - { - dp->dataGood = FALSE; - return FALSE; - } - } - tmp = (char *) dp->data; - memcpy ((void *) (tmp + (dp->pos)), src, size); - dp->pos += size; - if (dp->pos > dp->logicalSize) - dp->logicalSize = dp->pos; - return TRUE; -} - -static int -appendFile (dynamicPtr * dp, const void *src, int size) -{ - size_t wr = fwrite (src, 1, size, dp->file); - return (int) wr; -} - -static int -memoryPutbuf (struct xgdIOCtx *ctx, const void *buf, int size) -{ - dpIOCtx *dctx; - dctx = (dpIOCtx *) ctx; - appendMemory (dctx->dp, buf, size); - if (dctx->dp->dataGood) - return size; - else - return -1; -} - -static int -filePutbuf (struct xgdIOCtx *ctx, const void *buf, int size) -{ - dpIOCtx *dctx; - dctx = (dpIOCtx *) ctx; - if (appendFile (dctx->dp, buf, size) == size) - return size; - else - return -1; -} - -static void -memoryPutchar (struct xgdIOCtx *ctx, int a) -{ - unsigned char b; - dpIOCtxPtr dctx; - b = a; - dctx = (dpIOCtxPtr) ctx; - appendMemory (dctx->dp, &b, 1); -} - -static void -filePutchar (struct xgdIOCtx *ctx, int a) -{ - unsigned char b; - dpIOCtxPtr dctx; - b = a; - dctx = (dpIOCtxPtr) ctx; - appendFile (dctx->dp, &b, 1); -} - -static int -memoryGetbuf (xgdIOCtxPtr ctx, void *buf, int len) -{ - int rlen, remain; - dpIOCtxPtr dctx; - dynamicPtr *dp; - dctx = (dpIOCtxPtr) ctx; - dp = dctx->dp; - remain = dp->logicalSize - dp->pos; - if (remain >= len) - rlen = len; - else - { - if (remain == 0) - return 0; - rlen = remain; - } - memcpy (buf, (void *) ((char *) dp->data + dp->pos), rlen); - dp->pos += rlen; - return rlen; -} - -static int -fileGetbuf (xgdIOCtxPtr ctx, void *buf, int len) -{ - dynamicPtr *dp; - dpIOCtxPtr dctx; - dctx = (dpIOCtxPtr) ctx; - dp = dctx->dp; - return fread (buf, 1, len, dp->file); -} - -static int -memoryGetchar (xgdIOCtxPtr ctx) -{ - unsigned char b; - int rv; - rv = memoryGetbuf (ctx, &b, 1); - if (rv != 1) - return EOF; - else - return b; -} - -static int -fileGetchar (xgdIOCtxPtr ctx) -{ - unsigned char b; - int rv; - rv = fileGetbuf (ctx, &b, 1); - if (rv != 1) - return EOF; - else - return b; -} - -static long -memoryTell (struct xgdIOCtx *ctx) -{ - dpIOCtx *dctx; - dctx = (dpIOCtx *) ctx; - return (dctx->dp->pos); -} - -static long -fileTell (struct xgdIOCtx *ctx) -{ - dynamicPtr *dp; - dpIOCtx *dctx; - dctx = (dpIOCtx *) ctx; - dp = dctx->dp; - return ftell (dp->file); -} - -static int -memorySeek (struct xgdIOCtx *ctx, const int pos) -{ - int bytesNeeded; - dynamicPtr *dp; - dpIOCtx *dctx; - dctx = (dpIOCtx *) ctx; - dp = dctx->dp; - if (!dp->dataGood) - return FALSE; - bytesNeeded = pos; - if (bytesNeeded > dp->realSize) - { - if (!dp->freeOK) - return FALSE; - if (overflow2 (dp->realSize, 2)) - return FALSE; - if (!xgdReallocMemory (dp, dp->realSize * 2)) - { - dp->dataGood = FALSE; - return FALSE; - } - } - if (pos > dp->logicalSize) - dp->logicalSize = pos; - dp->pos = pos; - return TRUE; -} - -static int -fileSeek (struct xgdIOCtx *ctx, const int pos) -{ - dynamicPtr *dp; - dpIOCtx *dctx; - dctx = (dpIOCtx *) ctx; - dp = dctx->dp; - if (fseek (dp->file, pos, SEEK_SET) < 0) - return FALSE; - else - return TRUE; -} - -static dynamicPtr * -newMemory (int initialSize, const void *data, int freeOKFlag) -{ - dynamicPtr *dp; - dp = malloc (sizeof (dynamicPtr)); - if (dp == NULL) - return NULL; - if (!allocMemory (dp, initialSize, data)) - return NULL; - dp->pos = 0; - if (freeOKFlag == XGD_CTX_FREE) - dp->freeOK = 1; - else - dp->freeOK = 0; - return dp; -} - -static dynamicPtr * -newFile (const void *data) -{ - dynamicPtr *dp; - dp = malloc (sizeof (dynamicPtr)); - if (dp == NULL) - return NULL; - dp->file = (FILE *) data; - return dp; -} - -static int -trimMemory (dynamicPtr * dp) -{ - if (!dp->freeOK) - return TRUE; - return xgdReallocMemory (dp, dp->logicalSize); -} - -GGRAPH_PRIVATE int -overflow2 (int a, int b) -{ - if (a < 0 || b < 0) - { - fprintf (stderr, - "warning: one parameter to a memory allocation multiplication is negative, failing operation gracefully\n"); - return 1; - } - if (b == 0) - return 0; - if (a > INT_MAX / b) - { - fprintf (stderr, - "warning: product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully\n"); - return 1; - } - return 0; -} - -GGRAPH_PRIVATE void * -xgdDPExtractData (struct xgdIOCtx *ctx, int *size) -{ - dynamicPtr *dp; - dpIOCtx *dctx; - void *data; - dctx = (dpIOCtx *) ctx; - dp = dctx->dp; - if (dp->dataGood) - { - trimMemory (dp); - *size = dp->logicalSize; - data = dp->data; - } - else - { - *size = 0; - data = NULL; - if ((dp->data != NULL) && (dp->freeOK)) - free (dp->data); - } - dp->data = NULL; - dp->realSize = 0; - dp->logicalSize = 0; - return data; -} - -GGRAPH_PRIVATE xgdIOCtx * -xgdNewDynamicCtx (int initialSize, const void *data, int mem_or_file) -{ - return xgdNewDynamicCtxEx (initialSize, data, XGD_CTX_FREE, mem_or_file); -} - -GGRAPH_PRIVATE xgdIOCtx * -xgdNewDynamicCtxEx (int initialSize, const void *data, int freeOKFlag, - int mem_or_file) -{ - dpIOCtx *ctx; - dynamicPtr *dp; - ctx = malloc (sizeof (dpIOCtx)); - if (ctx == NULL) - { - return NULL; - } - if (mem_or_file == GG_TARGET_IS_FILE) - { - dp = newFile (data); - if (!dp) - { - free (ctx); - return NULL; - }; - ctx->dp = dp; - ctx->ctx.getC = fileGetchar; - ctx->ctx.putC = filePutchar; - ctx->ctx.getBuf = fileGetbuf; - ctx->ctx.putBuf = filePutbuf; - ctx->ctx.seek = fileSeek; - ctx->ctx.tell = fileTell; - ctx->ctx.xgd_free = xgdFreeFileCtx; - } - else - { - dp = newMemory (initialSize, data, freeOKFlag); - if (!dp) - { - free (ctx); - return NULL; - }; - ctx->dp = dp; - ctx->ctx.getC = memoryGetchar; - ctx->ctx.putC = memoryPutchar; - ctx->ctx.getBuf = memoryGetbuf; - ctx->ctx.putBuf = memoryPutbuf; - ctx->ctx.seek = memorySeek; - ctx->ctx.tell = memoryTell; - ctx->ctx.xgd_free = xgdFreeMemoryCtx; - } - return (xgdIOCtx *) ctx; -} - -GGRAPH_PRIVATE int -xgdPutBuf (const void *buf, int size, xgdIOCtx * ctx) -{ - return (ctx->putBuf) (ctx, buf, size); -} - -GGRAPH_PRIVATE int -xgdGetBuf (void *buf, int size, xgdIOCtx * ctx) -{ - return (ctx->getBuf) (ctx, buf, size); -} DELETED src/gaiagraphics_jpeg.c Index: src/gaiagraphics_jpeg.c ================================================================== --- src/gaiagraphics_jpeg.c +++ src/gaiagraphics_jpeg.c @@ -1,1331 +0,0 @@ -/* -/ gaiagraphics_jpeg.c -/ -/ JPEG auxiliary helpers -/ -/ version 1.0, 2010 July 20 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2010 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include -#include - -#include -#include - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -struct jpeg_codec_data -{ -/* a struct used by JPEG codec */ - int is_writer; - struct jpeg_compress_struct cmp_cinfo; - struct jpeg_decompress_struct dec_cinfo; - JSAMPROW row; - xgdIOCtx *io_ctx; -}; - -/* -/ -/ DISCLAIMER: -/ the following code is vaguely derived from the original GD lib -/ code, which was originally released under a BSD-like license -/ -*/ - -#define OUTPUT_BUF_SIZE 4096 - -#ifdef HAVE_BOOLEAN -typedef boolean safeboolean; -#else -typedef int safeboolean; -#endif /* HAVE_BOOLEAN */ - -typedef struct _jmpbuf_wrapper -{ - jmp_buf jmpbuf; -} -jmpbuf_wrapper; - -typedef struct -{ - struct jpeg_destination_mgr pub; - xgdIOCtx *outfile; - unsigned char *buffer; -} -my_destination_mgr; - -typedef struct -{ - struct jpeg_source_mgr pub; - xgdIOCtx *infile; - unsigned char *buffer; - safeboolean start_of_file; -} -my_source_mgr; - -typedef my_source_mgr *my_src_ptr; - -#define INPUT_BUF_SIZE 4096 - -typedef my_destination_mgr *my_dest_ptr; - -static void -fatal_jpeg_error (j_common_ptr cinfo) -{ - jmpbuf_wrapper *jmpbufw; - - fprintf (stderr, - "jpeg-wrapper: JPEG library reports unrecoverable error: "); - (*cinfo->err->output_message) (cinfo); - fflush (stderr); - jmpbufw = (jmpbuf_wrapper *) cinfo->client_data; - jpeg_destroy (cinfo); - if (jmpbufw != 0) - { - longjmp (jmpbufw->jmpbuf, 1); - fprintf (stderr, "jpeg-wrappeg: EXTREMELY fatal error: longjmp" - " returned control; terminating\n"); - } - else - { - fprintf (stderr, "jpeg-wrappeg: EXTREMELY fatal error: jmpbuf" - " unrecoverable; terminating\n"); - } - fflush (stderr); - exit (99); -} - -static void -init_source (j_decompress_ptr cinfo) -{ - my_src_ptr src = (my_src_ptr) cinfo->src; - src->start_of_file = TRUE; -} - -#define END_JPEG_SEQUENCE "\r\n[*]--:END JPEG:--[*]\r\n" -static safeboolean -fill_input_buffer (j_decompress_ptr cinfo) -{ - my_src_ptr src = (my_src_ptr) cinfo->src; - int nbytes = 0; - memset (src->buffer, 0, INPUT_BUF_SIZE); - while (nbytes < INPUT_BUF_SIZE) - { - int got = xgdGetBuf (src->buffer + nbytes, - INPUT_BUF_SIZE - nbytes, - src->infile); - if ((got == EOF) || (got == 0)) - { - if (!nbytes) - { - nbytes = -1; - } - break; - } - nbytes += got; - } - if (nbytes <= 0) - { - if (src->start_of_file) - ERREXIT (cinfo, JERR_INPUT_EMPTY); - WARNMS (cinfo, JWRN_JPEG_EOF); - src->buffer[0] = (unsigned char) 0xFF; - src->buffer[1] = (unsigned char) JPEG_EOI; - nbytes = 2; - } - src->pub.next_input_byte = (JOCTET *) (src->buffer); - src->pub.bytes_in_buffer = nbytes; - src->start_of_file = FALSE; - return TRUE; -} - -static void -skip_input_data (j_decompress_ptr cinfo, long num_bytes) -{ - my_src_ptr src = (my_src_ptr) cinfo->src; - if (num_bytes > 0) - { - while (num_bytes > (long) src->pub.bytes_in_buffer) - { - num_bytes -= (long) src->pub.bytes_in_buffer; - (void) fill_input_buffer (cinfo); - } - src->pub.next_input_byte += (size_t) num_bytes; - src->pub.bytes_in_buffer -= (size_t) num_bytes; - } -} - -static void -term_source (j_decompress_ptr cinfo) -{ - if (cinfo) - return; /* does absolutely nothing - required in order to suppress warnings */ -} - -static void -init_destination (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - dest->buffer = (unsigned char *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - OUTPUT_BUF_SIZE * sizeof (unsigned char)); - dest->pub.next_output_byte = (JOCTET *) (dest->buffer); - dest->pub.free_in_buffer = OUTPUT_BUF_SIZE; -} - -static safeboolean -empty_output_buffer (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - if (xgdPutBuf (dest->buffer, OUTPUT_BUF_SIZE, dest->outfile) != - (size_t) OUTPUT_BUF_SIZE) - ERREXIT (cinfo, JERR_FILE_WRITE); - dest->pub.next_output_byte = (JOCTET *) (dest->buffer); - dest->pub.free_in_buffer = OUTPUT_BUF_SIZE; - return TRUE; -} - -static void -term_destination (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - size_t datacount = OUTPUT_BUF_SIZE - dest->pub.free_in_buffer; - if (datacount > 0) - { - if (xgdPutBuf (dest->buffer, datacount, dest->outfile) != - (int) datacount) - ERREXIT (cinfo, JERR_FILE_WRITE); - } -} - -static void -jpeg_xgdIOCtx_src (j_decompress_ptr cinfo, xgdIOCtx * infile) -{ - my_src_ptr src; - if (cinfo->src == NULL) - { - cinfo->src = (struct jpeg_source_mgr *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - sizeof (my_source_mgr)); - src = (my_src_ptr) cinfo->src; - src->buffer = (unsigned char *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - INPUT_BUF_SIZE * - sizeof (unsigned char)); - - } - src = (my_src_ptr) cinfo->src; - src->pub.init_source = init_source; - src->pub.fill_input_buffer = fill_input_buffer; - src->pub.skip_input_data = skip_input_data; - src->pub.resync_to_restart = jpeg_resync_to_restart; - src->pub.term_source = term_source; - src->infile = infile; - src->pub.bytes_in_buffer = 0; - src->pub.next_input_byte = NULL; -} - -static void -jpeg_xgdIOCtx_dest (j_compress_ptr cinfo, xgdIOCtx * outfile) -{ - my_dest_ptr dest; - if (cinfo->dest == NULL) - { - cinfo->dest = (struct jpeg_destination_mgr *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - sizeof (my_destination_mgr)); - } - dest = (my_dest_ptr) cinfo->dest; - dest->pub.init_destination = init_destination; - dest->pub.empty_output_buffer = empty_output_buffer; - dest->pub.term_destination = term_destination; - dest->outfile = outfile; -} - -static int -xgdImageJpegCtx (gGraphImagePtr img, xgdIOCtx * outfile, int quality) -{ -/* compressing a JPEG image */ - struct jpeg_compress_struct cinfo; - struct jpeg_error_mgr jerr; - int i, j, jidx; - volatile JSAMPROW row = 0; - JSAMPROW rowptr[1]; - jmpbuf_wrapper jmpbufw; - JDIMENSION nlines; - char comment[255]; - memset (&cinfo, 0, sizeof (cinfo)); - memset (&jerr, 0, sizeof (jerr)); - cinfo.err = jpeg_std_error (&jerr); - cinfo.client_data = &jmpbufw; - if (setjmp (jmpbufw.jmpbuf) != 0) - { - if (row) - free (row); - return GGRAPH_JPEG_CODEC_ERROR; - } - cinfo.err->error_exit = fatal_jpeg_error; - jpeg_create_compress (&cinfo); - cinfo.image_width = img->width; - cinfo.image_height = img->height; - if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - /* GRAYSCALE */ - cinfo.input_components = 1; - cinfo.in_color_space = JCS_GRAYSCALE; - } - else - { - /* RGB */ - cinfo.input_components = 3; - cinfo.in_color_space = JCS_RGB; - } - jpeg_set_defaults (&cinfo); - if (quality >= 0) - jpeg_set_quality (&cinfo, quality, TRUE); - jpeg_xgdIOCtx_dest (&cinfo, outfile); - row = (JSAMPROW) calloc (1, cinfo.image_width * cinfo.input_components - * sizeof (JSAMPLE)); - if (row == 0) - { - jpeg_destroy_compress (&cinfo); - return GGRAPH_INSUFFICIENT_MEMORY; - } - rowptr[0] = row; - jpeg_start_compress (&cinfo, TRUE); - sprintf (comment, "CREATOR: jpeg-wrapper (using IJG JPEG v%d),", - JPEG_LIB_VERSION); - if (quality >= 0) - sprintf (comment + strlen (comment), " quality = %d\n", quality); - else - strcat (comment + strlen (comment), " default quality\n"); - jpeg_write_marker (&cinfo, JPEG_COM, (unsigned char *) comment, - (unsigned int) strlen (comment)); -#if BITS_IN_JSAMPLE == 12 - fprintf (stderr, - "jpeg-wrapper: error: jpeg library was compiled for 12-bit\n"); - goto error; -#endif /* BITS_IN_JSAMPLE == 12 */ - for (i = 0; i < img->height; i++) - { - unsigned char *p_in = img->pixels + (i * img->scanline_width); - for (jidx = 0, j = 0; j < img->width; j++) - { - if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - /* GRAYSCALE */ - row[jidx++] = *p_in++; - } - else - { - /* RGB */ - unsigned char r; - unsigned char g; - unsigned char b; - if (img->pixel_format == GG_PIXEL_RGB) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - p_in++; /* skipping Alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping Alpha */ - r = *p_in++; - g = *p_in++; - b = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - b = *p_in++; - g = *p_in++; - r = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - b = *p_in++; - g = *p_in++; - r = *p_in++; - p_in++; /* skipping Alpha */ - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - r = img->palette_red[index]; - g = img->palette_green[index]; - b = img->palette_blue[index]; - } - row[jidx++] = r; - row[jidx++] = g; - row[jidx++] = b; - } - } - nlines = jpeg_write_scanlines (&cinfo, rowptr, 1); - if (nlines != 1) - fprintf (stderr, "jpeg-wrapper: warning: jpeg_write_scanlines" - " returns %u -- expected 1\n", nlines); - } - jpeg_finish_compress (&cinfo); - jpeg_destroy_compress (&cinfo); - free (row); - return GGRAPH_OK; -} - -GGRAPH_PRIVATE void -gg_jpeg_codec_destroy (void *p) -{ -/* destroyng the JPEG codec data */ - jmpbuf_wrapper jmpbufw; - struct jpeg_codec_data *codec = (struct jpeg_codec_data *) p; - - if (!codec) - return; - - if (codec->is_writer) - { - codec->cmp_cinfo.client_data = &jmpbufw; - if (setjmp (jmpbufw.jmpbuf) != 0) - { - fprintf (stderr, "SetJump\n"); - fflush (stderr); - return; - } - jpeg_finish_compress (&(codec->cmp_cinfo)); - jpeg_destroy_compress (&(codec->cmp_cinfo)); - } - else - { - codec->dec_cinfo.client_data = &jmpbufw; - if (setjmp (jmpbufw.jmpbuf) != 0) - { - fprintf (stderr, "SetJump\n"); - fflush (stderr); - return; - } - jpeg_destroy_decompress (&(codec->dec_cinfo)); - } - free (codec->row); - codec->io_ctx->xgd_free (codec->io_ctx); - free (codec); -} - -static int -xgdStripImageJpegCtx (gGraphStripImagePtr img, xgdIOCtx * outfile, int quality) -{ -/* preparing to compress a JPEG image (by strip) */ - struct jpeg_compress_struct cinfo; - struct jpeg_error_mgr jerr; - volatile JSAMPROW row = 0; - jmpbuf_wrapper jmpbufw; - char comment[255]; - struct jpeg_codec_data *jpeg_codec; - memset (&cinfo, 0, sizeof (cinfo)); - memset (&jerr, 0, sizeof (jerr)); - cinfo.err = jpeg_std_error (&jerr); - cinfo.client_data = &jmpbufw; - if (setjmp (jmpbufw.jmpbuf) != 0) - { - if (row) - free (row); - return GGRAPH_JPEG_CODEC_ERROR; - } - cinfo.err->error_exit = fatal_jpeg_error; - jpeg_create_compress (&cinfo); - cinfo.image_width = img->width; - cinfo.image_height = img->height; - if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - /* GRAYSCALE */ - cinfo.input_components = 1; - cinfo.in_color_space = JCS_GRAYSCALE; - } - else - { - /* RGB */ - cinfo.input_components = 3; - cinfo.in_color_space = JCS_RGB; - } - jpeg_set_defaults (&cinfo); - if (quality >= 0) - jpeg_set_quality (&cinfo, quality, TRUE); - jpeg_xgdIOCtx_dest (&cinfo, outfile); - row = (JSAMPROW) calloc (1, cinfo.image_width * cinfo.input_components - * sizeof (JSAMPLE)); - if (row == 0) - { - jpeg_destroy_compress (&cinfo); - return GGRAPH_INSUFFICIENT_MEMORY; - } - jpeg_start_compress (&cinfo, TRUE); - sprintf (comment, "CREATOR: jpeg-wrapper (using IJG JPEG v%d),", - JPEG_LIB_VERSION); - if (quality >= 0) - sprintf (comment + strlen (comment), " quality = %d\n", quality); - else - strcat (comment + strlen (comment), " default quality\n"); - jpeg_write_marker (&cinfo, JPEG_COM, (unsigned char *) comment, - (unsigned int) strlen (comment)); - -/* setting up the JPEG codec struct */ - jpeg_codec = malloc (sizeof (struct jpeg_codec_data)); - if (!jpeg_codec) - { - jpeg_destroy_compress (&cinfo); - free (row); - gg_strip_image_destroy (img); - return GGRAPH_INSUFFICIENT_MEMORY; - } - jpeg_codec->is_writer = 1; - memcpy (&(jpeg_codec->cmp_cinfo), &cinfo, - sizeof (struct jpeg_compress_struct)); - jpeg_codec->row = row; - jpeg_codec->io_ctx = outfile; - img->codec_data = jpeg_codec; - - return GGRAPH_OK; -} - -static int -xgdStripImageJpegWriteCtx (gGraphStripImagePtr img) -{ -/* compressing a JPEG image (by strip) */ - int i, j, jidx; - int height; - struct jpeg_codec_data *jpeg_codec = - (struct jpeg_codec_data *) (img->codec_data); - JSAMPROW rowptr[1]; - JDIMENSION nlines; - volatile JSAMPROW row = jpeg_codec->row; - jmpbuf_wrapper jmpbufw; - - rowptr[0] = jpeg_codec->row; - if (img->next_row >= img->height) - { - /* EOF condition */ - fprintf (stderr, "png-wrapper error: attempting to write beyond EOF"); - return GGRAPH_PNG_CODEC_ERROR; - } - height = img->current_available_rows; - - jpeg_codec->cmp_cinfo.client_data = &jmpbufw; - if (setjmp (jmpbufw.jmpbuf) != 0) - return GGRAPH_JPEG_CODEC_ERROR; - for (i = 0; i < height; i++) - { - unsigned char *p_in = img->pixels + (i * img->scanline_width); - for (jidx = 0, j = 0; j < img->width; j++) - { - if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - /* GRAYSCALE */ - row[jidx++] = *p_in++; - } - else - { - /* RGB */ - unsigned char r; - unsigned char g; - unsigned char b; - if (img->pixel_format == GG_PIXEL_RGB) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - p_in++; /* skipping Alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping Alpha */ - r = *p_in++; - g = *p_in++; - b = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - b = *p_in++; - g = *p_in++; - r = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - b = *p_in++; - g = *p_in++; - r = *p_in++; - p_in++; /* skipping Alpha */ - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - r = img->palette_red[index]; - g = img->palette_green[index]; - b = img->palette_blue[index]; - } - row[jidx++] = r; - row[jidx++] = g; - row[jidx++] = b; - } - } - nlines = jpeg_write_scanlines (&(jpeg_codec->cmp_cinfo), rowptr, 1); - if (nlines != 1) - fprintf (stderr, "jpeg-wrapper: warning: jpeg_write_scanlines" - " returns %u -- expected 1\n", nlines); - } - img->next_row += height; - return GGRAPH_OK; -} - -static void -CMYKToRGB (int c, int m, int y, int k, int inverted, unsigned char *red, - unsigned char *green, unsigned char *blue) -{ - if (inverted) - { - c = 255 - c; - m = 255 - m; - y = 255 - y; - k = 255 - k; - } - *red = (255 - c) * (255 - k) / 255; - *green = (255 - m) * (255 - k) / 255; - *blue = (255 - y) * (255 - k) / 255; -} - -static gGraphImageInfosPtr -xgdImageInspectJpegCtx (xgdIOCtx * infile, int *errcode) -{ - struct jpeg_decompress_struct cinfo; - struct jpeg_error_mgr jerr; - volatile gGraphImageInfosPtr infos = 0; - int retval; - jmpbuf_wrapper jmpbufw; - memset (&cinfo, 0, sizeof (cinfo)); - memset (&jerr, 0, sizeof (jerr)); - cinfo.err = jpeg_std_error (&jerr); - cinfo.client_data = &jmpbufw; - if (setjmp (jmpbufw.jmpbuf) != 0) - { - if (infos) - gg_image_infos_destroy (infos); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - return NULL; - } - cinfo.err->error_exit = fatal_jpeg_error; - jpeg_create_decompress (&cinfo); - jpeg_xgdIOCtx_src (&cinfo, infile); - jpeg_save_markers (&cinfo, JPEG_APP0 + 14, 256); - retval = jpeg_read_header (&cinfo, TRUE); - if (retval != JPEG_HEADER_OK) - fprintf (stderr, "jpeg-wrapper: warning: jpeg_read_header returns" - " %d, expected %d\n", retval, JPEG_HEADER_OK); - if (cinfo.image_height > INT_MAX) - fprintf (stderr, - "jpeg-wrapper: warning: JPEG image height (%u) is greater than INT_MAX\n", - cinfo.image_height); - if (cinfo.image_width > INT_MAX) - fprintf (stderr, - "jpeg-wrapper: warning: JPEG image width (%u) is greater than INT_MAX\n", - cinfo.image_width); - - if ((cinfo.jpeg_color_space == JCS_CMYK) || - (cinfo.jpeg_color_space == JCS_YCCK)) - cinfo.out_color_space = JCS_CMYK; - else if (cinfo.jpeg_color_space == JCS_GRAYSCALE) - cinfo.out_color_space = JCS_GRAYSCALE; - else - cinfo.out_color_space = JCS_RGB; - - if (cinfo.out_color_space == JCS_GRAYSCALE) - infos = - gg_image_infos_create (GG_PIXEL_GRAYSCALE, (int) cinfo.image_width, - (int) cinfo.image_height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - else - infos = - gg_image_infos_create (GG_PIXEL_RGB, (int) cinfo.image_width, - (int) cinfo.image_height, 8, 3, - GGRAPH_SAMPLE_UINT, NULL, NULL); - if (infos == NULL) - { - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - infos->compression = GGRAPH_TIFF_COMPRESSION_JPEG; - infos->scale_1_2 = 1; - infos->scale_1_4 = 1; - infos->scale_1_8 = 1; - return infos; - error: - if (infos) - gg_image_infos_destroy (infos); - return NULL; -} - -static gGraphImagePtr -xgdImageCreateFromJpegCtx (xgdIOCtx * infile, int *errcode, int scale) -{ -/* decompressing a JPEG image */ - struct jpeg_decompress_struct cinfo; - struct jpeg_error_mgr jerr; - jmpbuf_wrapper jmpbufw; - volatile JSAMPROW row = 0; - volatile gGraphImagePtr img = 0; - JSAMPROW rowptr[1]; - int i, j, retval; - JDIMENSION nrows; - int channels = 3; - int inverted = 0; - unsigned char red; - unsigned char green; - unsigned char blue; - memset (&cinfo, 0, sizeof (cinfo)); - memset (&jerr, 0, sizeof (jerr)); - cinfo.err = jpeg_std_error (&jerr); - cinfo.client_data = &jmpbufw; - if (setjmp (jmpbufw.jmpbuf) != 0) - { - if (row) - free (row); - if (img) - gg_image_destroy (img); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - return NULL; - } - cinfo.err->error_exit = fatal_jpeg_error; - jpeg_create_decompress (&cinfo); - jpeg_xgdIOCtx_src (&cinfo, infile); - jpeg_save_markers (&cinfo, JPEG_APP0 + 14, 256); - retval = jpeg_read_header (&cinfo, TRUE); - if (retval != JPEG_HEADER_OK) - fprintf (stderr, "jpeg-wrapper: warning: jpeg_read_header returns" - " %d, expected %d\n", retval, JPEG_HEADER_OK); - if (cinfo.image_height > INT_MAX) - fprintf (stderr, - "jpeg-wrapper: warning: JPEG image height (%u) is greater than INT_MAX\n", - cinfo.image_height); - if (cinfo.image_width > INT_MAX) - fprintf (stderr, - "jpeg-wrapper: warning: JPEG image width (%u) is greater than INT_MAX\n", - cinfo.image_width); - - if (scale == 8) - { - /* requesting 1:8 scaling */ - cinfo.scale_num = 1; - } - else if (scale == 4) - { - /* requesting 1:4 scaling */ - cinfo.scale_num = 2; - } - else if (scale == 2) - { - /* requesting 1:2 scaling */ - cinfo.scale_num = 4; - } - else - { - /* no scaling, full dimension */ - cinfo.scale_num = 8; - } - cinfo.scale_denom = 8; - if ((cinfo.jpeg_color_space == JCS_CMYK) || - (cinfo.jpeg_color_space == JCS_YCCK)) - cinfo.out_color_space = JCS_CMYK; - else if (cinfo.jpeg_color_space == JCS_GRAYSCALE) - cinfo.out_color_space = JCS_GRAYSCALE; - else - cinfo.out_color_space = JCS_RGB; - - if (jpeg_start_decompress (&cinfo) != TRUE) - fprintf (stderr, - "jpeg-wrapper: warning: jpeg_start_decompress reports suspended data source\n"); - if (cinfo.out_color_space == JCS_GRAYSCALE) - img = - gg_image_create (GG_PIXEL_GRAYSCALE, (int) cinfo.output_width, - (int) cinfo.output_height, 8, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - else - img = - gg_image_create (GG_PIXEL_RGB, (int) cinfo.output_width, - (int) cinfo.output_height, 8, 3, - GGRAPH_SAMPLE_UINT, NULL, NULL); - if (img == NULL) - { - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - if (cinfo.out_color_space == JCS_RGB) - { - if (cinfo.output_components != 3) - { - fprintf (stderr, - "jpeg-wrapper: error: JPEG color output_components == %d\n", - cinfo.output_components); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; - } - channels = 3; - } - else if (cinfo.out_color_space == JCS_GRAYSCALE) - { - if (cinfo.output_components != 1) - { - fprintf (stderr, - "jpeg-wrapper: error: JPEG color output_components == %d\n", - cinfo.output_components); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; - } - channels = 1; - } - else if (cinfo.out_color_space == JCS_CMYK) - { - jpeg_saved_marker_ptr marker; - if (cinfo.output_components != 4) - { - fprintf (stderr, - "jpeg-wrapper: error: JPEG output_components == %d\n", - cinfo.output_components); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; - } - channels = 4; - marker = cinfo.marker_list; - while (marker) - { - if ((marker->marker == (JPEG_APP0 + 14)) && - (marker->data_length >= 12) - && (!strncmp ((const char *) marker->data, "Adobe", 5))) - { - inverted = 1; - break; - } - marker = marker->next; - } - } - else - { - fprintf (stderr, "jpeg-wrapper: error: unexpected colorspace\n"); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; - } -#if BITS_IN_JSAMPLE == 12 - fprintf (stderr, - "jpeg-wrapper: error: jpeg library was compiled for 12-bit\n"); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; -#endif /* BITS_IN_JSAMPLE == 12 */ - row = calloc (cinfo.output_width * channels, sizeof (JSAMPLE)); - if (row == 0) - { - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - rowptr[0] = row; - if (cinfo.out_color_space == JCS_CMYK) - { - for (i = 0; i < (int) cinfo.output_height; i++) - { - register JSAMPROW currow = row; - unsigned char *p_out = img->pixels + (i * img->scanline_width); - nrows = jpeg_read_scanlines (&cinfo, rowptr, 1); - if (nrows != 1) - { - fprintf (stderr, - "jpeg-wrapper: error: jpeg_read_scanlines returns %u, expected 1\n", - nrows); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; - } - for (j = 0; j < (int) cinfo.output_width; j++, currow += 4) - { - CMYKToRGB (currow[0], currow[1], currow[2], currow[3], - inverted, &red, &green, &blue); - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - } - } - else if (cinfo.out_color_space == JCS_GRAYSCALE) - { - for (i = 0; i < (int) cinfo.output_height; i++) - { - register JSAMPROW currow = row; - unsigned char *p_out = img->pixels + (i * img->scanline_width); - nrows = jpeg_read_scanlines (&cinfo, rowptr, 1); - if (nrows != 1) - { - fprintf (stderr, - "jpeg-wrapper: error: jpeg_read_scanlines returns %u, expected 1\n", - nrows); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; - } - for (j = 0; j < (int) cinfo.output_width; j++, currow++) - *p_out++ = currow[0]; - } - } - else - { - for (i = 0; i < (int) cinfo.output_height; i++) - { - register JSAMPROW currow = row; - unsigned char *p_out = img->pixels + (i * img->scanline_width); - nrows = jpeg_read_scanlines (&cinfo, rowptr, 1); - if (nrows != 1) - { - fprintf (stderr, - "jpeg-wrapper: error: jpeg_read_scanlines returns %u, expected 1\n", - nrows); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; - } - for (j = 0; j < (int) cinfo.output_width; j++, currow += 3) - { - *p_out++ = currow[0]; - *p_out++ = currow[1]; - *p_out++ = currow[2]; - } - } - } - if (jpeg_finish_decompress (&cinfo) != TRUE) - fprintf (stderr, - "jpeg-wrapper: warning: jpeg_finish_decompress reports suspended data source\n"); - jpeg_destroy_decompress (&cinfo); - free (row); - return img; - error: - jpeg_destroy_decompress (&cinfo); - if (row) - free (row); - if (img) - gg_image_destroy (img); - return NULL; -} - -static gGraphStripImagePtr -xgdStripImageCreateFromJpegCtx (xgdIOCtx * infile, int *errcode, FILE * file) -{ -/* preparing to decompress a JPEG image [by strips] */ - struct jpeg_decompress_struct cinfo; - struct jpeg_error_mgr jerr; - jmpbuf_wrapper jmpbufw; - volatile JSAMPROW row = 0; - volatile gGraphStripImagePtr img = 0; - int retval; - int channels = 3; - struct jpeg_codec_data *jpeg_codec; - memset (&cinfo, 0, sizeof (cinfo)); - memset (&jerr, 0, sizeof (jerr)); - cinfo.err = jpeg_std_error (&jerr); - cinfo.client_data = &jmpbufw; - if (setjmp (jmpbufw.jmpbuf) != 0) - { - if (row) - free (row); - if (img) - gg_strip_image_destroy (img); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - return NULL; - } - cinfo.err->error_exit = fatal_jpeg_error; - jpeg_create_decompress (&cinfo); - jpeg_xgdIOCtx_src (&cinfo, infile); - jpeg_save_markers (&cinfo, JPEG_APP0 + 14, 256); - retval = jpeg_read_header (&cinfo, TRUE); - if (retval != JPEG_HEADER_OK) - fprintf (stderr, "jpeg-wrapper: warning: jpeg_read_header returns" - " %d, expected %d\n", retval, JPEG_HEADER_OK); - if (cinfo.image_height > INT_MAX) - fprintf (stderr, - "jpeg-wrapper: warning: JPEG image height (%u) is greater than INT_MAX\n", - cinfo.image_height); - if (cinfo.image_width > INT_MAX) - fprintf (stderr, - "jpeg-wrapper: warning: JPEG image width (%u) is greater than INT_MAX\n", - cinfo.image_width); - cinfo.scale_num = 8; - cinfo.scale_denom = 8; - if ((cinfo.jpeg_color_space == JCS_CMYK) || - (cinfo.jpeg_color_space == JCS_YCCK)) - cinfo.out_color_space = JCS_CMYK; - else if (cinfo.jpeg_color_space == JCS_GRAYSCALE) - cinfo.out_color_space = JCS_GRAYSCALE; - else - cinfo.out_color_space = JCS_RGB; - - if (jpeg_start_decompress (&cinfo) != TRUE) - fprintf (stderr, - "jpeg-wrapper: warning: jpeg_start_decompress reports suspended data source\n"); - if (cinfo.out_color_space == JCS_GRAYSCALE) - img = - gg_strip_image_create (file, GGRAPH_IMAGE_JPEG, GG_PIXEL_GRAYSCALE, - cinfo.output_width, cinfo.output_height, 8, - 1, GGRAPH_SAMPLE_UINT, NULL, NULL); - else - img = - gg_strip_image_create (file, GGRAPH_IMAGE_JPEG, GG_PIXEL_RGB, - cinfo.output_width, cinfo.output_height, 8, - 3, GGRAPH_SAMPLE_UINT, NULL, NULL); - if (img == NULL) - { - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - if (cinfo.out_color_space == JCS_RGB) - { - if (cinfo.output_components != 3) - { - fprintf (stderr, - "jpeg-wrapper: error: JPEG color output_components == %d\n", - cinfo.output_components); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; - } - channels = 3; - } - else if (cinfo.out_color_space == JCS_GRAYSCALE) - { - if (cinfo.output_components != 1) - { - fprintf (stderr, - "jpeg-wrapper: error: JPEG color output_components == %d\n", - cinfo.output_components); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; - } - channels = 1; - } - else if (cinfo.out_color_space == JCS_CMYK) - { - jpeg_saved_marker_ptr marker; - if (cinfo.output_components != 4) - { - fprintf (stderr, - "jpeg-wrapper: error: JPEG output_components == %d\n", - cinfo.output_components); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; - } - channels = 4; - marker = cinfo.marker_list; - while (marker) - { - if ((marker->marker == (JPEG_APP0 + 14)) && - (marker->data_length >= 12) - && (!strncmp ((const char *) marker->data, "Adobe", 5))) - { - break; - } - marker = marker->next; - } - } - else - { - fprintf (stderr, "jpeg-wrapper: error: unexpected colorspace\n"); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; - } -#if BITS_IN_JSAMPLE == 12 - fprintf (stderr, - "jpeg-wrapper: error: jpeg library was compiled for 12-bit\n"); - *errcode = GGRAPH_JPEG_CODEC_ERROR; - goto error; -#endif /* BITS_IN_JSAMPLE == 12 */ - row = calloc (cinfo.output_width * channels, sizeof (JSAMPLE)); - if (row == 0) - { - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - -/* setting up the JPEG codec struct */ - jpeg_codec = malloc (sizeof (struct jpeg_codec_data)); - if (!jpeg_codec) - { - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - jpeg_codec->is_writer = 0; - memcpy (&(jpeg_codec->dec_cinfo), &cinfo, - sizeof (struct jpeg_decompress_struct)); - jpeg_codec->row = row; - jpeg_codec->io_ctx = infile; - img->codec_data = jpeg_codec; - - return img; - error: - jpeg_destroy_decompress (&cinfo); - if (row) - free (row); - if (img) - gg_strip_image_destroy (img); - return NULL; -} - -static int -xgdStripImageReadFromJpegCtx (gGraphStripImagePtr img) -{ -/* decompressing a JPEG image (by strip) */ - struct jpeg_codec_data *jpeg_codec = - (struct jpeg_codec_data *) (img->codec_data); - jmpbuf_wrapper jmpbufw; - JSAMPROW rowptr[1]; - int i, j; - JDIMENSION nrows; - int inverted = 0; - unsigned char red; - unsigned char green; - unsigned char blue; - int height = img->rows_per_block; - - if (img->next_row >= img->height) - { - /* EOF condition */ - fprintf (stderr, "jpeg-wrapper error: attempting to read beyond EOF"); - return GGRAPH_JPEG_CODEC_ERROR; - } - if ((img->next_row + img->rows_per_block) >= img->height) - height = img->height - img->next_row; - img->current_available_rows = height; - - jpeg_codec->dec_cinfo.client_data = &jmpbufw; - if (setjmp (jmpbufw.jmpbuf) != 0) - return GGRAPH_JPEG_CODEC_ERROR; - - rowptr[0] = jpeg_codec->row; - if (jpeg_codec->dec_cinfo.out_color_space == JCS_CMYK) - { - for (i = 0; i < height; i++) - { - register JSAMPROW currow = jpeg_codec->row; - unsigned char *p_out = img->pixels + (i * img->scanline_width); - nrows = - jpeg_read_scanlines (&(jpeg_codec->dec_cinfo), rowptr, 1); - if (nrows != 1) - { - fprintf (stderr, - "jpeg-wrapper: error: jpeg_read_scanlines returns %u, expected 1\n", - nrows); - return GGRAPH_JPEG_CODEC_ERROR; - } - for (j = 0; j < (int) jpeg_codec->dec_cinfo.output_width; - j++, currow += 4) - { - CMYKToRGB (currow[0], currow[1], currow[2], currow[3], - inverted, &red, &green, &blue); - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - } - } - else if (jpeg_codec->dec_cinfo.out_color_space == JCS_GRAYSCALE) - { - for (i = 0; i < height; i++) - { - register JSAMPROW currow = jpeg_codec->row; - unsigned char *p_out = img->pixels + (i * img->scanline_width); - nrows = - jpeg_read_scanlines (&(jpeg_codec->dec_cinfo), rowptr, 1); - if (nrows != 1) - { - fprintf (stderr, - "jpeg-wrapper: error: jpeg_read_scanlines returns %u, expected 1\n", - nrows); - return GGRAPH_JPEG_CODEC_ERROR; - } - for (j = 0; j < (int) jpeg_codec->dec_cinfo.output_width; - j++, currow++) - *p_out++ = currow[0]; - } - } - else - { - for (i = 0; i < height; i++) - { - register JSAMPROW currow = jpeg_codec->row; - unsigned char *p_out = img->pixels + (i * img->scanline_width); - nrows = - jpeg_read_scanlines (&(jpeg_codec->dec_cinfo), rowptr, 1); - if (nrows != 1) - { - fprintf (stderr, - "jpeg-wrapper: error: jpeg_read_scanlines returns %u, expected 1\n", - nrows); - return GGRAPH_JPEG_CODEC_ERROR; - } - for (j = 0; j < (int) jpeg_codec->dec_cinfo.output_width; - j++, currow += 3) - { - *p_out++ = currow[0]; - *p_out++ = currow[1]; - *p_out++ = currow[2]; - } - } - } - img->next_row += height; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_to_jpeg (const gGraphImagePtr img, void **mem_buf, int *mem_buf_size, - FILE * file, int dest_type, int quality) -{ -/* compressing an image as JPEG */ - int ret; - void *rv; - int size; - xgdIOCtx *out; - -/* checkings args for validity */ - if (dest_type == GG_TARGET_IS_FILE) - { - if (!file) - return GGRAPH_ERROR; - } - else - { - if (!mem_buf || !mem_buf_size) - return GGRAPH_ERROR; - *mem_buf = NULL; - *mem_buf_size = 0; - } - - if (dest_type == GG_TARGET_IS_FILE) - out = xgdNewDynamicCtx (0, file, dest_type); - else - out = xgdNewDynamicCtx (2048, NULL, dest_type); - ret = xgdImageJpegCtx (img, out, quality); - if (dest_type == GG_TARGET_IS_FILE) - { - out->xgd_free (out); - return ret; - } - - if (ret == GGRAPH_OK) - rv = xgdDPExtractData (out, &size); - out->xgd_free (out); - *mem_buf = rv; - *mem_buf_size = size; - return ret; -} - -GGRAPH_PRIVATE int -gg_image_prepare_to_jpeg_by_strip (const gGraphStripImagePtr img, FILE * file, - int quality) -{ -/* preparing to compress an image as JPEG [by strip] */ - xgdIOCtx *out; - -/* checkings args for validity */ - if (!file) - return GGRAPH_ERROR; - - out = xgdNewDynamicCtx (0, file, GG_TARGET_IS_FILE); - return xgdStripImageJpegCtx (img, out, quality); -} - -GGRAPH_PRIVATE int -gg_image_write_to_jpeg_by_strip (const gGraphStripImagePtr img, int *progress) -{ -/* scanline(s) JPEG compression [by strip] */ - int ret = xgdStripImageJpegWriteCtx (img); - if (ret == GGRAPH_OK && progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return ret; -} - -GGRAPH_PRIVATE int -gg_image_from_jpeg (int size, const void *data, int source_type, - gGraphImagePtr * image_handle, int scale) -{ -/* uncompressing a JPEG */ - int errcode = GGRAPH_OK; - gGraphImagePtr img; - xgdIOCtx *in = - xgdNewDynamicCtxEx (size, data, XGD_CTX_DONT_FREE, source_type); - img = xgdImageCreateFromJpegCtx (in, &errcode, scale); - in->xgd_free (in); - *image_handle = img; - return errcode; -} - -GGRAPH_PRIVATE int -gg_image_infos_from_jpeg (int size, const void *data, int source_type, - gGraphImageInfosPtr * infos_handle) -{ -/* image infos from JPEG */ - int errcode = GGRAPH_OK; - gGraphImageInfosPtr infos; - xgdIOCtx *in = - xgdNewDynamicCtxEx (size, data, XGD_CTX_DONT_FREE, source_type); - infos = xgdImageInspectJpegCtx (in, &errcode); - in->xgd_free (in); - *infos_handle = infos; - return errcode; -} - -GGRAPH_PRIVATE int -gg_image_strip_prepare_from_jpeg (FILE * file, - gGraphStripImagePtr * image_handle) -{ -/* preparing to uncompress a JPEG [by strips] */ - int errcode = GGRAPH_OK; - gGraphStripImagePtr img; - xgdIOCtx *in = - xgdNewDynamicCtxEx (0, file, XGD_CTX_DONT_FREE, GG_TARGET_IS_FILE); - img = xgdStripImageCreateFromJpegCtx (in, &errcode, file); - *image_handle = img; - return errcode; -} - -GGRAPH_PRIVATE int -gg_image_strip_read_from_jpeg (gGraphStripImagePtr img, int *progress) -{ -/* uncompressing a JPEG [by strips] */ - int ret = xgdStripImageReadFromJpegCtx (img); - if (ret == GGRAPH_OK && progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return ret; -} DELETED src/gaiagraphics_paint.c Index: src/gaiagraphics_paint.c ================================================================== --- src/gaiagraphics_paint.c +++ src/gaiagraphics_paint.c @@ -1,1191 +0,0 @@ -/* -/ gaiagraphics_paint.c -/ -/ painting helpers -/ -/ version 1.0, 2010 October 19 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2009 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -GGRAPH_DECLARE int -gGraphCreateContext (int width, int height, const void **context) -{ -/* creating a Graphics Context */ - gGraphContextPtr ctx; - - *context = NULL; - - ctx = malloc (sizeof (gGraphContext)); - if (!ctx) - return GGRAPH_INSUFFICIENT_MEMORY; - ctx->signature = GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE; - ctx->surface = - cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height); - if (cairo_surface_status (ctx->surface) == CAIRO_STATUS_SUCCESS) - ; - else - goto error1; - ctx->cairo = cairo_create (ctx->surface); - if (cairo_status (ctx->cairo) == CAIRO_STATUS_NO_MEMORY) - goto error2; - -/* setting up a default Black Pen */ - ctx->current_pen.red = 0.0; - ctx->current_pen.green = 0.0; - ctx->current_pen.blue = 0.0; - ctx->current_pen.alpha = 1.0; - ctx->current_pen.width = 1.0; - ctx->current_pen.lengths[0] = 1.0; - ctx->current_pen.lengths_count = 1; - -/* setting up a default Black Brush */ - ctx->current_brush.is_solid_color = 1; - ctx->current_brush.is_linear_gradient = 0; - ctx->current_brush.is_pattern = 0; - ctx->current_brush.red = 0.0; - ctx->current_brush.green = 0.0; - ctx->current_brush.blue = 0.0; - ctx->current_brush.alpha = 1.0; - ctx->current_brush.pattern = NULL; - -/* priming a transparent background */ - cairo_rectangle (ctx->cairo, 0, 0, width, height); - cairo_set_source_rgba (ctx->cairo, 0.0, 0.0, 0.0, 0.0); - cairo_fill (ctx->cairo); - -/* setting up default Font options */ - ctx->font_red = 0.0; - ctx->font_green = 0.0; - ctx->font_blue = 0.0; - ctx->font_alpha = 1.0; - ctx->is_font_outlined = 0; - ctx->font_outline_width = 0.0; - - *context = ctx; - return GGRAPH_OK; - error2: - cairo_destroy (ctx->cairo); - cairo_surface_destroy (ctx->surface); - return GGRAPH_ERROR; - error1: - cairo_surface_destroy (ctx->surface); - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphDestroyContext (const void *context) -{ -/* freeing a Graphics Context */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature != GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_CONTEXT; - cairo_destroy (ctx->cairo); - cairo_surface_destroy (ctx->surface); - free (ctx); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphCreateSvgContext (const char *path, int width, int height, - const void **context) -{ -/* creating an SVG Graphics Context */ - gGraphContextPtr ctx; - - *context = NULL; - - ctx = malloc (sizeof (gGraphContext)); - if (!ctx) - return GGRAPH_INSUFFICIENT_MEMORY; - ctx->signature = GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE; - - ctx->surface = - cairo_svg_surface_create (path, (double) width, (double) height); - - if (cairo_surface_status (ctx->surface) == CAIRO_STATUS_SUCCESS) - ; - else - goto error1; - ctx->cairo = cairo_create (ctx->surface); - if (cairo_status (ctx->cairo) == CAIRO_STATUS_NO_MEMORY) - goto error2; - -/* setting up a default Black Pen */ - ctx->current_pen.red = 0.0; - ctx->current_pen.green = 0.0; - ctx->current_pen.blue = 0.0; - ctx->current_pen.alpha = 1.0; - ctx->current_pen.width = 1.0; - ctx->current_pen.lengths[0] = 1.0; - ctx->current_pen.lengths_count = 1; - -/* setting up a default Black Brush */ - ctx->current_brush.is_solid_color = 1; - ctx->current_brush.is_linear_gradient = 0; - ctx->current_brush.is_pattern = 0; - ctx->current_brush.red = 0.0; - ctx->current_brush.green = 0.0; - ctx->current_brush.blue = 0.0; - ctx->current_brush.alpha = 1.0; - ctx->current_brush.pattern = NULL; - -/* priming a transparent background */ - cairo_rectangle (ctx->cairo, 0, 0, width, height); - cairo_set_source_rgba (ctx->cairo, 0.0, 0.0, 0.0, 0.0); - cairo_fill (ctx->cairo); - -/* setting up default Font options */ - ctx->font_red = 0.0; - ctx->font_green = 0.0; - ctx->font_blue = 0.0; - ctx->font_alpha = 1.0; - ctx->is_font_outlined = 0; - ctx->font_outline_width = 0.0; - - *context = ctx; - return GGRAPH_OK; - error2: - cairo_destroy (ctx->cairo); - cairo_surface_destroy (ctx->surface); - return GGRAPH_ERROR; - error1: - cairo_surface_destroy (ctx->surface); - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphDestroySvgContext (const void *context) -{ -/* freeing an SVG Graphics Context */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature != GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_CONTEXT; - cairo_surface_show_page (ctx->surface); - cairo_destroy (ctx->cairo); - cairo_surface_finish (ctx->surface); - cairo_surface_destroy (ctx->surface); - free (ctx); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphCreatePdfContext (const char *path, int page_width, int page_height, - int width, int height, const void **context) -{ -/* creating an PDF Graphics Context */ - int base_x = (page_width - width) / 2; - int base_y = (page_height - height) / 2; - gGraphContextPtr ctx; - - *context = NULL; - - ctx = malloc (sizeof (gGraphContext)); - if (!ctx) - return GGRAPH_INSUFFICIENT_MEMORY; - ctx->signature = GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE; - ctx->surface = - cairo_pdf_surface_create (path, (double) page_width, - (double) page_height); - if (cairo_surface_status (ctx->surface) == CAIRO_STATUS_SUCCESS) - ; - else - goto error1; - ctx->cairo = cairo_create (ctx->surface); - if (cairo_status (ctx->cairo) == CAIRO_STATUS_NO_MEMORY) - goto error2; - -/* setting up a default Black Pen */ - ctx->current_pen.red = 0.0; - ctx->current_pen.green = 0.0; - ctx->current_pen.blue = 0.0; - ctx->current_pen.alpha = 1.0; - ctx->current_pen.width = 1.0; - ctx->current_pen.lengths[0] = 1.0; - ctx->current_pen.lengths_count = 1; - -/* setting up a default Black Brush */ - ctx->current_brush.is_solid_color = 1; - ctx->current_brush.is_linear_gradient = 0; - ctx->current_brush.is_pattern = 0; - ctx->current_brush.red = 0.0; - ctx->current_brush.green = 0.0; - ctx->current_brush.blue = 0.0; - ctx->current_brush.alpha = 1.0; - ctx->current_brush.pattern = NULL; - -/* priming a transparent background */ - cairo_rectangle (ctx->cairo, 0, 0, width, height); - cairo_set_source_rgba (ctx->cairo, 0.0, 0.0, 0.0, 0.0); - cairo_fill (ctx->cairo); - -/* setting up default Font options */ - ctx->font_red = 0.0; - ctx->font_green = 0.0; - ctx->font_blue = 0.0; - ctx->font_alpha = 1.0; - ctx->is_font_outlined = 0; - ctx->font_outline_width = 0.0; - - cairo_translate (ctx->cairo, base_x, base_y); - *context = ctx; - return GGRAPH_OK; - error2: - cairo_destroy (ctx->cairo); - cairo_surface_destroy (ctx->surface); - return GGRAPH_ERROR; - error1: - cairo_surface_destroy (ctx->surface); - return GGRAPH_ERROR; -} - -GGRAPH_DECLARE int -gGraphDestroyPdfContext (const void *context) -{ -/* freeing an PDF Graphics Context */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature != GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_CONTEXT; - cairo_surface_show_page (ctx->surface); - cairo_destroy (ctx->cairo); - cairo_surface_finish (ctx->surface); - cairo_surface_destroy (ctx->surface); - free (ctx); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphSetPen (const void *context, unsigned char red, unsigned char green, - unsigned char blue, unsigned char alpha, double width, int style) -{ -/* creating a Color Pen */ - double d_red = (double) red / 255.0; - double d_green = (double) green / 255.0; - double d_blue = (double) blue / 255.0; - double d_alpha = (double) alpha / 255.0; - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - - ctx->current_pen.width = width; - ctx->current_pen.red = d_red; - ctx->current_pen.green = d_green; - ctx->current_pen.blue = d_blue; - ctx->current_pen.alpha = d_alpha; - switch (style) - { - case GGRAPH_PENSTYLE_DOT: - ctx->current_pen.lengths[0] = 2; - ctx->current_pen.lengths[1] = 2; - ctx->current_pen.lengths_count = 2; - break; - case GGRAPH_PENSTYLE_LONG_DASH: - ctx->current_pen.lengths[0] = 16; - ctx->current_pen.lengths[1] = 8; - ctx->current_pen.lengths_count = 2; - break; - case GGRAPH_PENSTYLE_SHORT_DASH: - ctx->current_pen.lengths[0] = 8; - ctx->current_pen.lengths[1] = 4; - ctx->current_pen.lengths_count = 2; - break; - case GGRAPH_PENSTYLE_DOT_DASH: - ctx->current_pen.lengths[0] = 8; - ctx->current_pen.lengths[1] = 4; - ctx->current_pen.lengths[2] = 2; - ctx->current_pen.lengths[3] = 4; - ctx->current_pen.lengths_count = 4; - break; - default: - ctx->current_pen.lengths[0] = 1; - ctx->current_pen.lengths[1] = 0; - ctx->current_pen.lengths_count = 2; - }; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphSetBrush (const void *context, unsigned char red, unsigned char green, - unsigned char blue, unsigned char alpha) -{ -/* setting up a Color Brush */ - double d_red = (double) red / 255.0; - double d_green = (double) green / 255.0; - double d_blue = (double) blue / 255.0; - double d_alpha = (double) alpha / 255.0; - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - - ctx->current_brush.is_solid_color = 1; - ctx->current_brush.is_linear_gradient = 0; - ctx->current_brush.is_pattern = 0; - ctx->current_brush.red = d_red; - ctx->current_brush.green = d_green; - ctx->current_brush.blue = d_blue; - ctx->current_brush.alpha = d_alpha; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphSetLinearGradientBrush (const void *context, double x, double y, - double width, double height, unsigned char red1, - unsigned char green1, unsigned char blue1, - unsigned char alpha1, unsigned char red2, - unsigned char green2, unsigned char blue2, - unsigned char alpha2) -{ -/* setting up a Linear Gradient Brush */ - double d_red = (double) red1 / 255.0; - double d_green = (double) green1 / 255.0; - double d_blue = (double) blue1 / 255.0; - double d_alpha = (double) alpha1 / 255.0; - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - - ctx->current_brush.is_solid_color = 0; - ctx->current_brush.is_linear_gradient = 1; - ctx->current_brush.is_pattern = 0; - ctx->current_brush.red = d_red; - ctx->current_brush.green = d_green; - ctx->current_brush.blue = d_blue; - ctx->current_brush.alpha = d_alpha; - ctx->current_brush.x0 = x; - ctx->current_brush.y0 = y; - ctx->current_brush.x1 = x + width; - ctx->current_brush.y1 = y + height; - d_red = (double) red2 / 255.0; - d_green = (double) green2 / 255.0; - d_blue = (double) blue2 / 255.0; - d_alpha = (double) alpha2 / 255.0; - ctx->current_brush.red2 = d_red; - ctx->current_brush.green2 = d_green; - ctx->current_brush.blue2 = d_blue; - ctx->current_brush.alpha2 = d_alpha; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphSetPatternBrush (const void *context, const void *brush) -{ -/* setting up a Pattern Brush */ - gGraphPatternBrushPtr pattern = (gGraphPatternBrushPtr) brush; - gGraphContextPtr ctx = (gGraphContextPtr) context; - - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - - if (!pattern) - return GGRAPH_INVALID_PAINT_BRUSH; - if (pattern->signature != GG_GRAPHICS_BRUSH_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_BRUSH; - - ctx->current_brush.is_solid_color = 0; - ctx->current_brush.is_linear_gradient = 0; - ctx->current_brush.is_pattern = 1; - - ctx->current_brush.pattern = pattern->pattern; - return GGRAPH_OK; -} - -static void -set_current_brush (gGraphContextPtr ctx) -{ -/* setting up the current Brush */ - if (ctx->current_brush.is_solid_color) - { - /* using a Solid Color Brush */ - cairo_set_source_rgba (ctx->cairo, ctx->current_brush.red, - ctx->current_brush.green, - ctx->current_brush.blue, - ctx->current_brush.alpha); - } - else if (ctx->current_brush.is_linear_gradient) - { - /* using a Linear Gradient Brush */ - cairo_pattern_t *pattern = - cairo_pattern_create_linear (ctx->current_brush.x0, - ctx->current_brush.y0, - ctx->current_brush.x1, - ctx->current_brush.y1); - cairo_pattern_add_color_stop_rgba (pattern, 0.0, - ctx->current_brush.red, - ctx->current_brush.green, - ctx->current_brush.blue, - ctx->current_brush.alpha); - cairo_pattern_add_color_stop_rgba (pattern, 1.0, - ctx->current_brush.red2, - ctx->current_brush.green2, - ctx->current_brush.blue2, - ctx->current_brush.alpha2); - cairo_set_source (ctx->cairo, pattern); - cairo_pattern_destroy (pattern); - } - else if (ctx->current_brush.is_pattern) - { - /* using a Pattern Brush */ - cairo_set_source (ctx->cairo, ctx->current_brush.pattern); - } -} - -GGRAPH_DECLARE int -gGraphFillPath (const void *context, int preserve) -{ -/* Filling a path */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - - set_current_brush (ctx); - if (preserve == GGRAPH_PRESERVE_PATH) - cairo_fill_preserve (ctx->cairo); - else - cairo_fill (ctx->cairo); - return GGRAPH_OK; -} - -static void -set_current_pen (gGraphContextPtr ctx) -{ -/* setting up the current Pen */ - cairo_set_line_width (ctx->cairo, ctx->current_pen.width); - cairo_set_source_rgba (ctx->cairo, ctx->current_pen.red, - ctx->current_pen.green, ctx->current_pen.blue, - ctx->current_pen.alpha); - cairo_set_line_cap (ctx->cairo, CAIRO_LINE_CAP_BUTT); - cairo_set_line_join (ctx->cairo, CAIRO_LINE_JOIN_MITER); - cairo_set_dash (ctx->cairo, ctx->current_pen.lengths, - ctx->current_pen.lengths_count, 0.0); -} - -GGRAPH_DECLARE int -gGraphStrokePath (const void *context, int preserve) -{ -/* Stroking a path */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - - set_current_pen (ctx); - if (preserve == GGRAPH_PRESERVE_PATH) - cairo_stroke_preserve (ctx->cairo); - else - cairo_stroke (ctx->cairo); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphMoveToPoint (const void *context, double x, double y) -{ -/* Moving to a Path Point */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - cairo_move_to (ctx->cairo, x, y); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphAddLineToPath (const void *context, double x, double y) -{ -/* Adding a Lint to a Path */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - cairo_line_to (ctx->cairo, x, y); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphCloseSubpath (const void *context) -{ -/* Closing a SubPath */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - cairo_close_path (ctx->cairo); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphStrokeLine (const void *context, double x0, double y0, double x1, - double y1) -{ -/* Stroking a line */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - cairo_move_to (ctx->cairo, x0, y0); - cairo_line_to (ctx->cairo, x1, y1); - set_current_pen (ctx); - cairo_stroke (ctx->cairo); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphDrawEllipse (const void *context, double x, double y, double width, - double height) -{ -/* Drawing a filled ellipse */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - cairo_save (ctx->cairo); - cairo_translate (ctx->cairo, x + (width / 2.0), y + (height / 2.0)); - cairo_scale (ctx->cairo, width / 2.0, height / 2.0); - cairo_arc (ctx->cairo, 0.0, 0.0, 1.0, 0.0, 2.0 * M_PI); - cairo_restore (ctx->cairo); - set_current_brush (ctx); - cairo_fill_preserve (ctx->cairo); - set_current_pen (ctx); - cairo_stroke (ctx->cairo); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphDrawCircleSector (const void *context, double center_x, - double center_y, double radius, double from_angle, - double to_angle) -{ -/* drawing a filled circular sector */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - cairo_move_to (ctx->cairo, center_x, center_y); - cairo_arc (ctx->cairo, center_x, center_y, radius, from_angle, to_angle); - cairo_line_to (ctx->cairo, center_x, center_y); - set_current_brush (ctx); - cairo_fill_preserve (ctx->cairo); - set_current_pen (ctx); - cairo_stroke (ctx->cairo); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphDrawRectangle (const void *context, double x, double y, double width, - double height) -{ -/* Drawing a filled rectangle */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - cairo_rectangle (ctx->cairo, x, y, width, height); - set_current_brush (ctx); - cairo_fill_preserve (ctx->cairo); - set_current_pen (ctx); - cairo_stroke (ctx->cairo); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphDrawRoundedRectangle (const void *context, double x, double y, - double width, double height, double radius) -{ -/* Drawing a filled rectangle with rounded corners */ - double degrees = M_PI / 180.0; - gGraphContextPtr ctx = (gGraphContextPtr) context; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - cairo_new_sub_path (ctx->cairo); - cairo_arc (ctx->cairo, x + width - radius, y + radius, radius, - -90 * degrees, 0 * degrees); - cairo_arc (ctx->cairo, x + width - radius, y + height - radius, radius, - 0 * degrees, 90 * degrees); - cairo_arc (ctx->cairo, x + radius, y + height - radius, radius, - 90 * degrees, 180 * degrees); - cairo_arc (ctx->cairo, x + radius, y + radius, radius, 180 * degrees, - 270 * degrees); - cairo_close_path (ctx->cairo); - set_current_brush (ctx); - cairo_fill_preserve (ctx->cairo); - set_current_pen (ctx); - cairo_stroke (ctx->cairo); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphGetContextRgbArray (const void *context, unsigned char **rgbArray) -{ -/* creating an RGB buffer from the given Context */ - int width; - int height; - int x; - int y; - unsigned char *p_in; - unsigned char *p_out; - unsigned char *rgb; - int little_endian = gg_endian_arch (); - gGraphContextPtr ctx = (gGraphContextPtr) context; - - *rgbArray = NULL; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature != GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_CONTEXT; - - width = cairo_image_surface_get_width (ctx->surface); - height = cairo_image_surface_get_height (ctx->surface); - rgb = malloc (width * height * 3); - if (!rgb) - return GGRAPH_INSUFFICIENT_MEMORY; - - p_in = cairo_image_surface_get_data (ctx->surface); - p_out = rgb; - for (y = 0; y < height; y++) - { - for (x = 0; x < width; x++) - { - unsigned char r; - unsigned char g; - unsigned char b; - if (little_endian) - { - b = *p_in++; - g = *p_in++; - r = *p_in++; - p_in++; /* skipping Alpha */ - } - else - { - p_in++; /* skipping Alpha */ - r = *p_in++; - g = *p_in++; - b = *p_in++; - } - *p_out++ = r; - *p_out++ = g; - *p_out++ = b; - } - } - *rgbArray = rgb; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphGetContextAlphaArray (const void *context, unsigned char **alphaArray) -{ -/* creating an Alpha buffer from the given Context */ - int width; - int height; - int x; - int y; - unsigned char *p_in; - unsigned char *p_out; - unsigned char *alpha; - gGraphContextPtr ctx = (gGraphContextPtr) context; - - *alphaArray = NULL; - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature != GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_CONTEXT; - - width = cairo_image_surface_get_width (ctx->surface); - height = cairo_image_surface_get_height (ctx->surface); - alpha = malloc (width * height); - if (!alpha) - return GGRAPH_INSUFFICIENT_MEMORY; - - p_in = cairo_image_surface_get_data (ctx->surface); - p_out = alpha; - for (y = 0; y < height; y++) - { - for (x = 0; x < width; x++) - { - p_in += 3; /* skipping RGB */ - *p_out++ = *p_in++; - } - } - *alphaArray = alpha; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphDrawBitmap (const void *context, const void *bitmap, int x, int y) -{ -/* drawing a symbol bitmap */ - gGraphBitmapPtr bmp = (gGraphBitmapPtr) bitmap; - gGraphContextPtr ctx = (gGraphContextPtr) context; - - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - - if (!bmp) - return GGRAPH_INVALID_PAINT_BITMAP; - if (bmp->signature != GG_GRAPHICS_BITMAP_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_BITMAP; - - cairo_save (ctx->cairo); - cairo_scale (ctx->cairo, 1, 1); - cairo_translate (ctx->cairo, x, y); - cairo_set_source (ctx->cairo, bmp->pattern); - cairo_rectangle (ctx->cairo, 0, 0, bmp->width, bmp->height); - cairo_fill (ctx->cairo); - cairo_restore (ctx->cairo); - return GGRAPH_OK; -} - -static void -adjust_for_endianness (unsigned char *rgbaArray, int width, int height) -{ -/* Adjusting from RGBA to ARGB respecting platform endianness */ - int x; - int y; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char alpha; - unsigned char *p_in = rgbaArray; - unsigned char *p_out = rgbaArray; - int little_endian = gg_endian_arch (); - - for (y = 0; y < height; y++) - { - for (x = 0; x < width; x++) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - alpha = *p_in++; - if (alpha == 0) - { - *p_out++ = 0; - *p_out++ = 0; - *p_out++ = 0; - *p_out++ = 0; - } - else - { - if (little_endian) - { - *p_out++ = blue; - *p_out++ = green; - *p_out++ = red; - *p_out++ = alpha; - } - else - { - *p_out++ = alpha; - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - } - } - } -} - -GGRAPH_DECLARE int -gGraphCreateBitmap (unsigned char *rgbaArray, int width, int height, - const void **bitmap) -{ -/* creating a symbol bitmap */ - gGraphBitmapPtr bmp; - - *bitmap = NULL; - if (!rgbaArray) - return GGRAPH_ERROR; - - adjust_for_endianness (rgbaArray, width, height); - bmp = malloc (sizeof (gGraphBitmap)); - if (!bmp) - return GGRAPH_INSUFFICIENT_MEMORY; - bmp->signature = GG_GRAPHICS_BITMAP_MAGIC_SIGNATURE; - bmp->width = width; - bmp->height = height; - bmp->bitmap = - cairo_image_surface_create_for_data (rgbaArray, CAIRO_FORMAT_ARGB32, - width, height, width * 4); - bmp->pattern = cairo_pattern_create_for_surface (bmp->bitmap); - *bitmap = bmp; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphDestroyBitmap (const void *bitmap) -{ -/* destroying a symbol bitmap */ - gGraphBitmapPtr bmp = (gGraphBitmapPtr) bitmap; - - if (!bmp) - return GGRAPH_INVALID_PAINT_BITMAP; - if (bmp->signature != GG_GRAPHICS_BITMAP_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_BITMAP; - - cairo_pattern_destroy (bmp->pattern); - cairo_surface_destroy (bmp->bitmap); - free (bmp); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphCreateBrush (unsigned char *rgbaArray, int width, int height, - const void **brush) -{ -/* creating a pattern brush */ - gGraphPatternBrushPtr pattern; - - *brush = NULL; - if (!rgbaArray) - return GGRAPH_ERROR; - - adjust_for_endianness (rgbaArray, width, height); - pattern = malloc (sizeof (gGraphPatternBrush)); - if (!pattern) - return GGRAPH_INSUFFICIENT_MEMORY; - pattern->signature = GG_GRAPHICS_BRUSH_MAGIC_SIGNATURE; - pattern->width = width; - pattern->height = height; - pattern->bitmap = - cairo_image_surface_create_for_data (rgbaArray, CAIRO_FORMAT_ARGB32, - width, height, width * 4); - pattern->pattern = cairo_pattern_create_for_surface (pattern->bitmap); - cairo_pattern_set_extend (pattern->pattern, CAIRO_EXTEND_REPEAT); - *brush = pattern; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphDestroyBrush (const void *brush) -{ -/* destroying a pattern brush */ - gGraphPatternBrushPtr pattern = (gGraphPatternBrushPtr) brush; - - if (!pattern) - return GGRAPH_INVALID_PAINT_BRUSH; - if (pattern->signature != GG_GRAPHICS_BRUSH_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_BRUSH; - - cairo_pattern_destroy (pattern->pattern); - cairo_surface_destroy (pattern->bitmap); - free (pattern); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphCreateFont (double size, int style, int weight, const void **font) -{ -/* creating a font */ - gGraphFontPtr fnt; - - *font = NULL; - fnt = malloc (sizeof (gGraphFont)); - if (!fnt) - return GGRAPH_INSUFFICIENT_MEMORY; - fnt->signature = GG_GRAPHICS_FONT_MAGIC_SIGNATURE; - if (size < 1.0) - fnt->size = 1.0; - else if (size > 32.0) - fnt->size = 32.0; - else - fnt->size = size; - if (style == GGRAPH_FONTSTYLE_ITALIC) - fnt->style = GGRAPH_FONTSTYLE_ITALIC; - else - fnt->style = GGRAPH_FONTSTYLE_NORMAL; - if (weight == GGRAPH_FONTWEIGHT_BOLD) - fnt->weight = GGRAPH_FONTWEIGHT_BOLD; - else - fnt->weight = GGRAPH_FONTWEIGHT_NORMAL; - fnt->is_outlined = 0; - fnt->outline_width = 0.0; - fnt->red = 0.0; - fnt->green = 0.0; - fnt->blue = 0.0; - fnt->alpha = 1.0; - *font = fnt; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphDestroyFont (const void *font) -{ -/* destroying a font */ - gGraphFontPtr fnt = (gGraphFontPtr) font; - - if (!fnt) - return GGRAPH_INVALID_PAINT_FONT; - if (fnt->signature != GG_GRAPHICS_FONT_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_FONT; - - free (fnt); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphFontSetColor (const void *font, unsigned char red, unsigned char green, - unsigned char blue, unsigned char alpha) -{ -/* setting up the font color */ - gGraphFontPtr fnt = (gGraphFontPtr) font; - - if (!fnt) - return GGRAPH_INVALID_PAINT_FONT; - if (fnt->signature != GG_GRAPHICS_FONT_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_FONT; - - fnt->red = (double) red / 255.0; - fnt->green = (double) green / 255.0; - fnt->blue = (double) blue / 255.0; - fnt->alpha = (double) alpha / 255.0; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphFontSetOutline (const void *font, double width) -{ -/* setting up the font outline */ - gGraphFontPtr fnt = (gGraphFontPtr) font; - - if (!fnt) - return GGRAPH_INVALID_PAINT_FONT; - if (fnt->signature != GG_GRAPHICS_FONT_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_FONT; - - if (width <= 0.0) - { - fnt->is_outlined = 0; - fnt->outline_width = 0.0; - } - else - { - fnt->is_outlined = 1; - fnt->outline_width = width; - } - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphSetFont (const void *context, const void *font) -{ -/* setting up the current font */ - int style = CAIRO_FONT_SLANT_NORMAL; - int weight = CAIRO_FONT_WEIGHT_NORMAL; - double size; - gGraphFontPtr fnt = (gGraphFontPtr) font; - gGraphContextPtr ctx = (gGraphContextPtr) context; - - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - - if (!fnt) - return GGRAPH_INVALID_PAINT_FONT; - if (fnt->signature != GG_GRAPHICS_FONT_MAGIC_SIGNATURE) - return GGRAPH_INVALID_PAINT_FONT; - - if (fnt->style == GGRAPH_FONTSTYLE_ITALIC) - style = CAIRO_FONT_SLANT_ITALIC; - if (fnt->weight == GGRAPH_FONTWEIGHT_BOLD) - weight = CAIRO_FONT_WEIGHT_BOLD; - cairo_select_font_face (ctx->cairo, "monospace", style, weight); - size = fnt->size; - if (fnt->is_outlined) - size += fnt->outline_width; - cairo_set_font_size (ctx->cairo, size); - ctx->font_red = fnt->red; - ctx->font_green = fnt->green; - ctx->font_blue = fnt->blue; - ctx->font_alpha = fnt->alpha; - ctx->is_font_outlined = fnt->is_outlined; - ctx->font_outline_width = fnt->outline_width; - - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphGetTextExtent (const void *context, const char *text, double *pre_x, - double *pre_y, double *width, double *height, - double *post_x, double *post_y) -{ -/* measuring the text extent (using the current font) */ - cairo_text_extents_t extents; - gGraphContextPtr ctx = (gGraphContextPtr) context; - - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - - cairo_text_extents (ctx->cairo, text, &extents); - *pre_x = extents.x_bearing; - *pre_y = extents.y_bearing; - *width = extents.width; - *height = extents.height; - *post_x = extents.x_advance; - *post_y = extents.y_advance; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphDrawText (const void *context, const char *text, double x, double y, - double angle) -{ -/* drawing a text string (using the current font) */ - gGraphContextPtr ctx = (gGraphContextPtr) context; - - if (!ctx) - return GGRAPH_INVALID_PAINT_CONTEXT; - if (ctx->signature == GG_GRAPHICS_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_SVG_CONTEXT_MAGIC_SIGNATURE || - ctx->signature == GG_GRAPHICS_PDF_CONTEXT_MAGIC_SIGNATURE) - ; - else - return GGRAPH_INVALID_PAINT_CONTEXT; - - cairo_save (ctx->cairo); - cairo_translate (ctx->cairo, x, y); - cairo_rotate (ctx->cairo, angle); - if (ctx->is_font_outlined) - { - /* outlined font */ - cairo_move_to (ctx->cairo, 0.0, 0.0); - cairo_text_path (ctx->cairo, text); - cairo_set_source_rgba (ctx->cairo, ctx->font_red, ctx->font_green, - ctx->font_blue, ctx->font_alpha); - cairo_fill_preserve (ctx->cairo); - cairo_set_source_rgba (ctx->cairo, 1.0, 1.0, 1.0, ctx->font_alpha); - cairo_set_line_width (ctx->cairo, ctx->font_outline_width); - cairo_stroke (ctx->cairo); - } - else - { - /* no outline */ - cairo_set_source_rgba (ctx->cairo, ctx->font_red, ctx->font_green, - ctx->font_blue, ctx->font_alpha); - cairo_move_to (ctx->cairo, 0.0, 0.0); - cairo_show_text (ctx->cairo, text); - } - cairo_restore (ctx->cairo); - return GGRAPH_OK; -} DELETED src/gaiagraphics_png.c Index: src/gaiagraphics_png.c ================================================================== --- src/gaiagraphics_png.c +++ src/gaiagraphics_png.c @@ -1,2431 +0,0 @@ -/* -/ gaiagraphics_png.c -/ -/ PNG auxiliary helpers -/ -/ version 1.0, 2010 July 20 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2010 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include - -#include - -#define PNG_TRUE 1 -#define PNG_FALSE 0 - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -struct png_codec_data -{ -/* a struct used by PNG codec */ - int is_writer; - png_structp png_ptr; - png_infop info_ptr; - png_bytep row_pointer; - int palette_allocated; - int num_palette; - png_colorp palette; - int bit_depth; - int color_type; - int interlace_type; - int quantization_factor; - xgdIOCtx *io_ctx; -}; - -/* -/ -/ DISCLAIMER: -/ the following code is vaguely derived from the original GD lib -/ code, which was originally released under a BSD-like license -/ -*/ - -#ifndef PNG_SETJMP_NOT_SUPPORTED -typedef struct _jmpbuf_wrapper -{ - jmp_buf jmpbuf; -} -jmpbuf_wrapper; - -static jmpbuf_wrapper xgdPngJmpbufStruct; - -static void -xgdPngErrorHandler (png_structp png_ptr, png_const_charp msg) -{ - jmpbuf_wrapper *jmpbuf_ptr; - fprintf (stderr, "png-wrapper: fatal libpng error: %s\n", msg); - fflush (stderr); - jmpbuf_ptr = png_get_error_ptr (png_ptr); - if (jmpbuf_ptr == NULL) - { - fprintf (stderr, - "png-wrapper: EXTREMELY fatal error: jmpbuf unrecoverable; terminating.\n"); - fflush (stderr); - exit (99); - } - longjmp (jmpbuf_ptr->jmpbuf, 1); -} -#endif - -static void -xgdPngReadData (png_structp png_ptr, png_bytep data, png_size_t length) -{ - int check; - check = xgdGetBuf (data, length, (xgdIOCtx *) png_get_io_ptr (png_ptr)); - if (check != (int) length) - { - png_error (png_ptr, "Read Error: truncated data"); - } -} - -static void -xgdPngWriteData (png_structp png_ptr, png_bytep data, png_size_t length) -{ - xgdPutBuf (data, length, (xgdIOCtx *) png_get_io_ptr (png_ptr)); -} - -static void -xgdPngFlushData (png_structp png_ptr) -{ - if (png_ptr) - return; /* does absolutely nothing - required in order to suppress warnings */ -} - -static gGraphImageInfosPtr -xgdImageInfosFromPngCtx (xgdIOCtx * infile, int *errcode) -{ -/* retrieving general infos from a PNG image */ - png_byte sig[8]; - png_structp png_ptr; - png_infop info_ptr; - png_uint_32 width, height; - int bit_depth, color_type, interlace_type; - int num_palette; - png_colorp palette; - int i; - gGraphImageInfosPtr infos = NULL; - memset (sig, 0, sizeof (sig)); - if (xgdGetBuf (sig, 8, infile) < 8) - { - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } - if (png_sig_cmp (sig, 0, 8)) - { - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - png_ptr = - png_create_read_struct (PNG_LIBPNG_VER_STRING, &xgdPngJmpbufStruct, - xgdPngErrorHandler, NULL); -#else - png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); -#endif - if (png_ptr == NULL) - { - fprintf (stderr, - "png-wrapper error: cannot allocate libpng main struct\n"); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } - info_ptr = png_create_info_struct (png_ptr); - if (info_ptr == NULL) - { - fprintf (stderr, - "png-wrapper error: cannot allocate libpng info struct\n"); - png_destroy_read_struct (&png_ptr, NULL, NULL); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - fprintf (stderr, - "png-wrapper error: setjmp returns error condition 1\n"); - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } -#endif - png_set_sig_bytes (png_ptr, 8); - png_set_read_fn (png_ptr, (void *) infile, xgdPngReadData); - png_read_info (png_ptr, info_ptr); - png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, - &interlace_type, NULL, NULL); - if (color_type == PNG_COLOR_TYPE_PALETTE) - { - infos = - gg_image_infos_create (GG_PIXEL_PALETTE, (int) width, - (int) height, bit_depth, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - png_get_PLTE (png_ptr, info_ptr, &palette, &num_palette); - infos->max_palette = num_palette; - for (i = 0; i < num_palette; i++) - { - infos->palette_red[i] = palette[i].red; - infos->palette_green[i] = palette[i].green; - infos->palette_blue[i] = palette[i].blue; - fprintf (stderr, "plt %d/%d %02x%02x%02x\n", i, num_palette, - infos->palette_red[i], infos->palette_green[i], - infos->palette_blue[i]); - fflush (stderr); - } - } - else if (color_type == PNG_COLOR_TYPE_GRAY - || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - infos = - gg_image_infos_create (GG_PIXEL_GRAYSCALE, (int) width, - (int) height, bit_depth, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - else if (color_type == PNG_COLOR_TYPE_RGB_ALPHA) - infos = - gg_image_infos_create (GG_PIXEL_RGBA, (int) width, (int) height, - bit_depth, 4, GGRAPH_SAMPLE_UINT, NULL, - NULL); - else - infos = - gg_image_infos_create (GG_PIXEL_RGB, (int) width, (int) height, - bit_depth, 3, GGRAPH_SAMPLE_UINT, NULL, - NULL); - if (infos == NULL) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } - infos->compression = GGRAPH_TIFF_COMPRESSION_DEFLATE; - if (png_get_interlace_type (png_ptr, info_ptr) == PNG_INTERLACE_ADAM7) - { - infos->scale_1_2 = 1; - infos->scale_1_4 = 1; - infos->scale_1_8 = 1; - } - return infos; -} - -static gGraphImagePtr -xgdImageCreateFromPngCtx (xgdIOCtx * infile, int *errcode, int scale) -{ -/* decompressing a PNG image */ - png_byte sig[8]; - png_structp png_ptr; - png_infop info_ptr; - png_uint_32 width, height, rowbytes, w, h; - int img_width, img_height; - int bit_depth, color_type, interlace_type; - int num_palette; - png_colorp palette; - int is_adam7; - png_bytep row_pointer = NULL; - gGraphImagePtr img = NULL; - int i, j; - volatile int palette_allocated = PNG_FALSE; - memset (sig, 0, sizeof (sig)); - if (xgdGetBuf (sig, 8, infile) < 8) - { - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } - if (png_sig_cmp (sig, 0, 8)) - { - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - png_ptr = - png_create_read_struct (PNG_LIBPNG_VER_STRING, &xgdPngJmpbufStruct, - xgdPngErrorHandler, NULL); -#else - png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); -#endif - if (png_ptr == NULL) - { - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } - info_ptr = png_create_info_struct (png_ptr); - if (info_ptr == NULL) - { - png_destroy_read_struct (&png_ptr, NULL, NULL); - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - fprintf (stderr, - "png-wrapper error: setjmp returns error condition 1\n"); - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } -#endif - png_set_sig_bytes (png_ptr, 8); - png_set_read_fn (png_ptr, (void *) infile, xgdPngReadData); - png_read_info (png_ptr, info_ptr); - png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, - &interlace_type, NULL, NULL); - if (png_get_interlace_type (png_ptr, info_ptr) == PNG_INTERLACE_ADAM7) - { - /* Adam7 interlaced [supporting 1:1, 1:2, 1:4 and 1:8 reduced image] */ - is_adam7 = 1; - if (scale == 8) - { - /* requesting 1:8 scaling */ - img_width = width / 8; - if ((img_width * 8) < (int) width) - img_width++; - img_height = height / 8; - if ((img_height * 8) < (int) height) - img_height++; - } - else if (scale == 4) - { - /* requesting 1:4 scaling */ - img_width = width / 4; - if ((img_width * 4) < (int) width) - img_width++; - img_height = height / 4; - if ((img_height * 4) < (int) height) - img_height++; - } - else if (scale == 2) - { - /* requesting 1:2 scaling */ - img_width = width / 2; - if ((img_width * 2) < (int) width) - img_width++; - img_height = height / 2; - if ((img_height * 2) < (int) height) - img_height++; - } - else - { - /* no scaling, full dimension */ - img_width = width; - img_height = height; - } - } - else - { - /* normal, not Adam7 interlaced */ - is_adam7 = 0; - img_width = width; - img_height = height; - } - - if (color_type == PNG_COLOR_TYPE_PALETTE) - img = - gg_image_create (GG_PIXEL_PALETTE, img_width, img_height, bit_depth, - 1, GGRAPH_SAMPLE_UINT, NULL, NULL); - else if (color_type == PNG_COLOR_TYPE_GRAY - || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - img = - gg_image_create (GG_PIXEL_GRAYSCALE, img_width, img_height, - bit_depth, 1, GGRAPH_SAMPLE_UINT, NULL, NULL); - else if (color_type == PNG_COLOR_TYPE_RGB_ALPHA) - img = - gg_image_create (GG_PIXEL_RGBA, img_width, img_height, bit_depth, 4, - GGRAPH_SAMPLE_UINT, NULL, NULL); - else - img = - gg_image_create (GG_PIXEL_RGB, img_width, img_height, bit_depth, 3, - GGRAPH_SAMPLE_UINT, NULL, NULL); - if (img == NULL) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } - - if (bit_depth == 16) - { - png_set_strip_16 (png_ptr); - } - else if (bit_depth < 8) - { - png_set_packing (png_ptr); - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - fprintf (stderr, - "png-wrapper error: setjmp returns error condition 2"); - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - free (row_pointer); - if (img) - gg_image_destroy (img); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } -#endif - switch (color_type) - { - case PNG_COLOR_TYPE_PALETTE: - png_get_PLTE (png_ptr, info_ptr, &palette, &num_palette); - img->max_palette = num_palette; - for (i = 0; i < num_palette; i++) - { - img->palette_red[i] = palette[i].red; - img->palette_green[i] = palette[i].green; - img->palette_blue[i] = palette[i].blue; - } - break; - case PNG_COLOR_TYPE_GRAY: - case PNG_COLOR_TYPE_GRAY_ALPHA: - if ((palette = malloc (256 * sizeof (png_color))) == NULL) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } - palette_allocated = PNG_TRUE; - if (bit_depth < 8) - { - num_palette = 1 << bit_depth; - for (i = 0; i < 256; ++i) - { - j = (255 * i) / (num_palette - 1); - palette[i].red = palette[i].green = palette[i].blue = j; - } - } - else - { - num_palette = 256; - for (i = 0; i < 256; ++i) - { - palette[i].red = palette[i].green = palette[i].blue = i; - } - } - break; - } - png_read_update_info (png_ptr, info_ptr); - rowbytes = png_get_rowbytes (png_ptr, info_ptr); - if (overflow2 (rowbytes, height)) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } - row_pointer = malloc (rowbytes); - if (!row_pointer) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - if (img) - gg_image_destroy (img); - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } - if (overflow2 (height, sizeof (png_bytep))) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - free (row_pointer); - if (img) - gg_image_destroy (img); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } - if (is_adam7) - { - /* reading an ADAM7 interlaced image */ - int row_no; - int pass; - int y_base, y_step; - png_uint_32 h_limit, w_limit; - for (pass = 0; pass < 7; pass++) - { - /* reading an interlaced image requires 7 passes */ - if (scale == 8 && pass > 0) - { - /* 1:8 reduced image already exctracted */ - break; - } - if (scale == 4 && pass > 2) - { - /* 1:4 reduced image already extracted */ - break; - } - if (scale == 2 && pass > 4) - { - /* 1:2 reduced image already extracted */ - break; - } - - switch (pass) - { - case 0: - y_base = 0; - y_step = 8; - break; - case 1: - y_base = 0; - y_step = 8; - break; - case 2: - y_base = 4; - y_step = 8; - break; - case 3: - y_base = 0; - y_step = 4; - break; - case 4: - y_base = 2; - y_step = 4; - break; - case 5: - y_base = 0; - y_step = 2; - break; - case 6: - y_base = 1; - y_step = 2; - break; - }; - h_limit = (height - y_base) / y_step; - if ((h_limit * y_step) < (height - y_base)) - h_limit++; - row_no = 0; - for (h = 0; h < h_limit; h++) - { - int skip; - int boffset = 0; - int x_base; - int x_step; - unsigned char *p_out; - png_read_row (png_ptr, row_pointer, NULL); - - switch (pass) - { - case 0: - x_base = 0; - x_step = 8; - break; - case 1: - x_base = 4; - x_step = 8; - break; - case 2: - x_base = 0; - x_step = 4; - break; - case 3: - x_base = 4; - x_step = 4; - break; - case 4: - x_base = 0; - x_step = 2; - break; - case 5: - x_base = 1; - x_step = 2; - break; - case 6: - x_base = 0; - x_step = 1; - break; - }; - w_limit = (width - x_base) / x_step; - if ((w_limit * x_step) < (width - x_base)) - w_limit++; - switch (pass) - { - case 0: - p_out = - img->pixels + (row_no * img->scanline_width); - switch (scale) - { - case 8: - skip = 0; - row_no += 1; - break; - case 4: - skip = 1; - row_no += 2; - break; - case 2: - skip = 3; - row_no += 4; - break; - case 1: - skip = 7; - row_no += 8; - break; - }; - break; - case 1: - switch (scale) - { - case 4: - p_out = - img->pixels + - (row_no * img->scanline_width) + - img->pixel_size; - skip = 1; - row_no += 2; - break; - case 2: - p_out = - img->pixels + - (row_no * img->scanline_width) + - (img->pixel_size * 2); - skip = 3; - row_no += 4; - break; - case 1: - p_out = - img->pixels + - (row_no * img->scanline_width) + - (img->pixel_size * 4); - skip = 7; - row_no += 8; - break; - }; - break; - case 2: - switch (scale) - { - case 4: - p_out = - img->pixels + - ((row_no + 1) * img->scanline_width); - skip = 0; - row_no += 2; - break; - case 2: - p_out = - img->pixels + - ((row_no + 2) * img->scanline_width); - skip = 1; - row_no += 4; - break; - case 1: - p_out = - img->pixels + - ((row_no + 4) * img->scanline_width); - skip = 3; - row_no += 8; - break; - }; - break; - case 3: - switch (scale) - { - case 2: - p_out = - img->pixels + - (row_no * img->scanline_width) + - img->pixel_size; - skip = 1; - row_no += 2; - break; - case 1: - p_out = - img->pixels + - (row_no * img->scanline_width) + - (img->pixel_size * 2); - skip = 3; - row_no += 4; - break; - }; - break; - case 4: - switch (scale) - { - case 2: - p_out = - img->pixels + - ((row_no + 1) * img->scanline_width); - skip = 0; - row_no += 2; - break; - case 1: - p_out = - img->pixels + - ((row_no + 2) * img->scanline_width); - skip = 1; - row_no += 4; - break; - }; - break; - case 5: - p_out = - img->pixels + (row_no * img->scanline_width) + - (img->pixel_size); - skip = 1; - row_no += 2; - break; - case 6: - p_out = - img->pixels + - ((row_no + 1) * img->scanline_width); - skip = 0; - row_no += 2; - break; - }; - - switch (color_type) - { - case PNG_COLOR_TYPE_RGB: - for (w = 0; w < w_limit; w++) - { - register png_byte r = row_pointer[boffset++]; - register png_byte g = row_pointer[boffset++]; - register png_byte b = row_pointer[boffset++]; - *p_out++ = r; - *p_out++ = g; - *p_out++ = b; - p_out += skip * 3; - } - break; - case PNG_COLOR_TYPE_RGB_ALPHA: - for (w = 0; w < w_limit; w++) - { - register png_byte r = row_pointer[boffset++]; - register png_byte g = row_pointer[boffset++]; - register png_byte b = row_pointer[boffset++]; - register png_byte alpha = - row_pointer[boffset++]; - *p_out++ = r; - *p_out++ = g; - *p_out++ = b; - *p_out++ = alpha; - p_out += skip * 4; - } - break; - case PNG_COLOR_TYPE_GRAY: - case PNG_COLOR_TYPE_GRAY_ALPHA: - for (w = 0; w < w_limit; w++) - { - register png_byte idx = row_pointer[w]; - *p_out++ = idx; - p_out += skip; - } - break; - default: - for (w = 0; w < w_limit; w++) - { - register png_byte idx = row_pointer[w]; - *p_out++ = idx; - p_out += skip; - } - }; - } - } - } - else - { - /* reading a non-interlaced image */ - for (h = 0; h < height; h++) - { - int boffset = 0; - unsigned char *p_out = img->pixels + (h * img->scanline_width); - png_read_row (png_ptr, row_pointer, NULL); - switch (color_type) - { - case PNG_COLOR_TYPE_RGB: - for (w = 0; w < width; w++) - { - register png_byte r = row_pointer[boffset++]; - register png_byte g = row_pointer[boffset++]; - register png_byte b = row_pointer[boffset++]; - *p_out++ = r; - *p_out++ = g; - *p_out++ = b; - } - break; - case PNG_COLOR_TYPE_RGB_ALPHA: - for (w = 0; w < width; w++) - { - register png_byte r = row_pointer[boffset++]; - register png_byte g = row_pointer[boffset++]; - register png_byte b = row_pointer[boffset++]; - register png_byte alpha = row_pointer[boffset++]; - *p_out++ = r; - *p_out++ = g; - *p_out++ = b; - *p_out++ = alpha; - } - break; - case PNG_COLOR_TYPE_GRAY: - case PNG_COLOR_TYPE_GRAY_ALPHA: - for (w = 0; w < width; ++w) - { - register png_byte idx = row_pointer[w]; - *p_out++ = idx; - } - break; - default: - for (w = 0; w < width; ++w) - { - register png_byte idx = row_pointer[w]; - *p_out++ = idx; - } - } - } - } - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - - if (palette_allocated == PNG_TRUE) - free (palette); - free (row_pointer); - return img; -} - -GGRAPH_PRIVATE void -gg_png_codec_destroy (void *p) -{ -/* destroyng the PNG codec data */ - struct png_codec_data *codec = (struct png_codec_data *) p; - if (!codec) - return; - if (codec->is_writer) - { - png_write_end (codec->png_ptr, codec->info_ptr); - png_destroy_write_struct (&(codec->png_ptr), &(codec->info_ptr)); - } - else - { - png_read_end (codec->png_ptr, codec->info_ptr); - png_destroy_read_struct (&(codec->png_ptr), &(codec->info_ptr), NULL); - } - if (codec->palette_allocated == PNG_TRUE) - free (codec->palette); - free (codec->row_pointer); - codec->io_ctx->xgd_free (codec->io_ctx); - free (codec); -} - -static gGraphStripImagePtr -xgdStripImageCreateFromPngCtx (xgdIOCtx * infile, int *errcode, FILE * file) -{ -/* preparing to decompress a PNG image [by strips] */ - png_byte sig[8]; - png_structp png_ptr; - png_infop info_ptr; - png_uint_32 width, height, rowbytes; - int bit_depth, color_type, interlace_type; - int num_palette; - png_colorp palette; - png_bytep row_pointer = NULL; - gGraphStripImagePtr img = NULL; - struct png_codec_data *png_codec; - int i, j; - volatile int palette_allocated = PNG_FALSE; - memset (sig, 0, sizeof (sig)); - if (xgdGetBuf (sig, 8, infile) < 8) - { - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } - if (png_sig_cmp (sig, 0, 8)) - { - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - png_ptr = - png_create_read_struct (PNG_LIBPNG_VER_STRING, &xgdPngJmpbufStruct, - xgdPngErrorHandler, NULL); -#else - png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); -#endif - if (png_ptr == NULL) - { - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } - info_ptr = png_create_info_struct (png_ptr); - if (info_ptr == NULL) - { - png_destroy_read_struct (&png_ptr, NULL, NULL); - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - fprintf (stderr, - "png-wrapper error: setjmp returns error condition 1\n"); - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } -#endif - png_set_sig_bytes (png_ptr, 8); - png_set_read_fn (png_ptr, (void *) infile, xgdPngReadData); - png_read_info (png_ptr, info_ptr); - png_get_IHDR (png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, - &interlace_type, NULL, NULL); - - if (interlace_type == PNG_INTERLACE_ADAM7) - { - fprintf (stderr, - "png-wrapper error: ADAM7 interlace cannot be accessed by strips\n"); - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } - - if (color_type == PNG_COLOR_TYPE_PALETTE) - { - img = - gg_strip_image_create (file, GGRAPH_IMAGE_PNG, GG_PIXEL_PALETTE, - width, height, bit_depth, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - } - else if (color_type == PNG_COLOR_TYPE_GRAY - || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) - { - img = - gg_strip_image_create (file, GGRAPH_IMAGE_PNG, GG_PIXEL_GRAYSCALE, - width, height, bit_depth, 1, - GGRAPH_SAMPLE_UINT, NULL, NULL); - } - else if (color_type == PNG_COLOR_TYPE_RGB_ALPHA) - { - img = - gg_strip_image_create (file, GGRAPH_IMAGE_PNG, GG_PIXEL_RGBA, - width, height, bit_depth, 4, - GGRAPH_SAMPLE_UINT, NULL, NULL); - } - else - { - img = - gg_strip_image_create (file, GGRAPH_IMAGE_PNG, GG_PIXEL_RGB, - width, height, bit_depth, 3, - GGRAPH_SAMPLE_UINT, NULL, NULL); - } - if (img == NULL) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } - - if (bit_depth == 16) - { - png_set_strip_16 (png_ptr); - } - else if (bit_depth < 8) - { - png_set_packing (png_ptr); - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - fprintf (stderr, - "png-wrapper error: setjmp returns error condition 2"); - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - free (row_pointer); - if (img) - gg_strip_image_destroy (img); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } -#endif - switch (color_type) - { - case PNG_COLOR_TYPE_PALETTE: - png_get_PLTE (png_ptr, info_ptr, &palette, &num_palette); - img->max_palette = num_palette; - for (i = 0; i < num_palette; i++) - { - img->palette_red[i] = palette[i].red; - img->palette_green[i] = palette[i].green; - img->palette_blue[i] = palette[i].blue; - } - break; - case PNG_COLOR_TYPE_GRAY: - case PNG_COLOR_TYPE_GRAY_ALPHA: - if ((palette = malloc (256 * sizeof (png_color))) == NULL) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } - palette_allocated = PNG_TRUE; - if (bit_depth < 8) - { - num_palette = 1 << bit_depth; - for (i = 0; i < 256; ++i) - { - j = (255 * i) / (num_palette - 1); - palette[i].red = palette[i].green = palette[i].blue = j; - } - } - else - { - num_palette = 256; - for (i = 0; i < 256; ++i) - { - palette[i].red = palette[i].green = palette[i].blue = i; - } - } - break; - } - png_read_update_info (png_ptr, info_ptr); - rowbytes = png_get_rowbytes (png_ptr, info_ptr); - if (overflow2 (rowbytes, height)) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } - row_pointer = malloc (rowbytes); - if (!row_pointer) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - if (img) - gg_strip_image_destroy (img); - *errcode = GGRAPH_INSUFFICIENT_MEMORY; - return NULL; - } - if (overflow2 (height, sizeof (png_bytep))) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - free (row_pointer); - if (img) - gg_strip_image_destroy (img); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } - -/* setting up the PNG codec struct */ - png_codec = malloc (sizeof (struct png_codec_data)); - if (!png_codec) - { - png_destroy_read_struct (&png_ptr, &info_ptr, NULL); - free (row_pointer); - gg_strip_image_destroy (img); - *errcode = GGRAPH_PNG_CODEC_ERROR; - return NULL; - } - png_codec->is_writer = 0; - png_codec->row_pointer = row_pointer; - png_codec->png_ptr = png_ptr; - png_codec->info_ptr = info_ptr; - png_codec->palette_allocated = palette_allocated; - png_codec->num_palette = num_palette; - png_codec->palette = palette; - png_codec->bit_depth = bit_depth; - png_codec->color_type = color_type; - png_codec->interlace_type = interlace_type; - png_codec->io_ctx = infile; - img->codec_data = png_codec; - - return img; -} - -static int -xgdStripImageReadFromPngCtx (gGraphStripImagePtr img) -{ -/* decompressing a PNG image [by strip] */ - png_uint_32 w, h; - struct png_codec_data *png_codec = - (struct png_codec_data *) (img->codec_data); - png_structp png_ptr = png_codec->png_ptr; - int color_type = png_codec->color_type; - png_bytep row_pointer = png_codec->row_pointer; - png_uint_32 width = img->width; - png_uint_32 height = img->rows_per_block; - - if (img->next_row >= img->height) - { - /* EOF condition */ - fprintf (stderr, "png-wrapper error: attempting to read beyond EOF"); - return GGRAPH_PNG_CODEC_ERROR; - } - if ((img->next_row + img->rows_per_block) >= img->height) - height = img->height - img->next_row; - img->current_available_rows = height; - -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - fprintf (stderr, - "png-wrapper error: setjmp returns error condition 2"); - return GGRAPH_PNG_CODEC_ERROR; - } -#endif - -/* reading a non-interlaced image */ - for (h = 0; h < height; h++) - { - int boffset = 0; - unsigned char *p_out = img->pixels + (h * img->scanline_width); - png_read_row (png_ptr, row_pointer, NULL); - switch (color_type) - { - case PNG_COLOR_TYPE_RGB: - for (w = 0; w < width; w++) - { - register png_byte r = row_pointer[boffset++]; - register png_byte g = row_pointer[boffset++]; - register png_byte b = row_pointer[boffset++]; - *p_out++ = r; - *p_out++ = g; - *p_out++ = b; - } - break; - case PNG_COLOR_TYPE_RGB_ALPHA: - for (w = 0; w < width; w++) - { - register png_byte r = row_pointer[boffset++]; - register png_byte g = row_pointer[boffset++]; - register png_byte b = row_pointer[boffset++]; - register png_byte alpha = row_pointer[boffset++]; - *p_out++ = r; - *p_out++ = g; - *p_out++ = b; - *p_out++ = alpha; - } - break; - case PNG_COLOR_TYPE_GRAY: - case PNG_COLOR_TYPE_GRAY_ALPHA: - for (w = 0; w < width; ++w) - { - register png_byte idx = row_pointer[w]; - *p_out++ = idx; - } - break; - default: - for (w = 0; w < width; ++w) - { - register png_byte idx = row_pointer[w]; - *p_out++ = idx; - } - } - } - img->next_row += height; - return GGRAPH_OK; -} - -static int -xgdImagePngCtxPalette (gGraphImagePtr img, xgdIOCtx * outfile, - int compression_level, int interlaced) -{ -/* compressing a PNG image [palette] */ - int i, j, bit_depth = 0, interlace_type; - int width = img->width; - int height = img->height; - png_color palette[256]; - int colors = img->max_palette; - png_structp png_ptr; - png_infop info_ptr; - png_bytep row_pointer = NULL; - int pass; - int num_passes; -#ifndef PNG_SETJMP_NOT_SUPPORTED - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, - &xgdPngJmpbufStruct, xgdPngErrorHandler, - NULL); -#else - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); -#endif - if (png_ptr == NULL) - return GGRAPH_INSUFFICIENT_MEMORY; - info_ptr = png_create_info_struct (png_ptr); - if (info_ptr == NULL) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - if (row_pointer) - free (row_pointer); - png_destroy_write_struct (&png_ptr, &info_ptr); - return GGRAPH_PNG_CODEC_ERROR; - } -#endif - png_set_write_fn (png_ptr, (void *) outfile, xgdPngWriteData, - xgdPngFlushData); - png_set_compression_level (png_ptr, compression_level); - if (colors <= 2) - bit_depth = 1; - else if (colors <= 4) - bit_depth = 2; - else if (colors <= 16) - bit_depth = 4; - else - bit_depth = 8; - if (interlaced) - interlace_type = PNG_INTERLACE_ADAM7; - else - interlace_type = PNG_INTERLACE_NONE; - png_set_IHDR (png_ptr, info_ptr, width, height, bit_depth, - PNG_COLOR_TYPE_PALETTE, interlace_type, - PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); - for (i = 0; i < colors; i++) - { - palette[i].red = img->palette_red[i]; - palette[i].green = img->palette_green[i]; - palette[i].blue = img->palette_blue[i]; - } - png_set_PLTE (png_ptr, info_ptr, palette, colors); - png_write_info (png_ptr, info_ptr); - png_set_packing (png_ptr); - if (overflow2 (sizeof (png_bytep), height)) - return GGRAPH_PNG_CODEC_ERROR; - row_pointer = malloc (width); - if (!row_pointer) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } - num_passes = png_set_interlace_handling (png_ptr); - for (pass = 0; pass < num_passes; pass++) - { - /* Adam7 interlacing may require seven distinct images */ - for (j = 0; j < height; ++j) - { - png_bytep p_out = row_pointer; - unsigned char *p_in = img->pixels + (j * img->scanline_width); - for (i = 0; i < width; ++i) - *p_out++ = *p_in++; - png_write_row (png_ptr, row_pointer); - } - } - png_write_end (png_ptr, info_ptr); - free (row_pointer); - png_destroy_write_struct (&png_ptr, &info_ptr); - return GGRAPH_OK; -} - -static int -xgdStripImagePngCtxPalette (gGraphStripImagePtr img, xgdIOCtx * outfile, - int compression_level) -{ -/* preparing to compress a PNG image [palette] (by strip) */ - int i, bit_depth = 0, interlace_type; - int width = img->width; - int height = img->height; - png_color palette[256]; - int colors = img->max_palette; - png_structp png_ptr; - png_infop info_ptr; - png_bytep row_pointer = NULL; - struct png_codec_data *png_codec; -#ifndef PNG_SETJMP_NOT_SUPPORTED - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, - &xgdPngJmpbufStruct, xgdPngErrorHandler, - NULL); -#else - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); -#endif - if (png_ptr == NULL) - return GGRAPH_INSUFFICIENT_MEMORY; - info_ptr = png_create_info_struct (png_ptr); - if (info_ptr == NULL) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - if (row_pointer) - free (row_pointer); - png_destroy_write_struct (&png_ptr, &info_ptr); - return GGRAPH_PNG_CODEC_ERROR; - } -#endif - png_set_write_fn (png_ptr, (void *) outfile, xgdPngWriteData, - xgdPngFlushData); - png_set_compression_level (png_ptr, compression_level); - if (colors <= 2) - bit_depth = 1; - else if (colors <= 4) - bit_depth = 2; - else if (colors <= 16) - bit_depth = 4; - else - bit_depth = 8; - interlace_type = PNG_INTERLACE_NONE; - png_set_IHDR (png_ptr, info_ptr, width, height, bit_depth, - PNG_COLOR_TYPE_PALETTE, interlace_type, - PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); - for (i = 0; i < colors; i++) - { - palette[i].red = img->palette_red[i]; - palette[i].green = img->palette_green[i]; - palette[i].blue = img->palette_blue[i]; - } - png_set_PLTE (png_ptr, info_ptr, palette, colors); - png_write_info (png_ptr, info_ptr); - png_set_packing (png_ptr); - if (overflow2 (sizeof (png_bytep), height)) - return GGRAPH_PNG_CODEC_ERROR; - row_pointer = malloc (width * 3); - if (!row_pointer) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } - -/* setting up the PNG codec struct */ - png_codec = malloc (sizeof (struct png_codec_data)); - if (!png_codec) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - free (row_pointer); - gg_strip_image_destroy (img); - return GGRAPH_INSUFFICIENT_MEMORY; - } - png_codec->is_writer = 1; - png_codec->row_pointer = row_pointer; - png_codec->png_ptr = png_ptr; - png_codec->info_ptr = info_ptr; - png_codec->palette_allocated = PNG_FALSE; - png_codec->palette = NULL; - png_codec->bit_depth = bit_depth; - png_codec->color_type = PNG_COLOR_TYPE_GRAY; - png_codec->interlace_type = PNG_INTERLACE_NONE; - png_codec->quantization_factor = 0; - png_codec->io_ctx = outfile; - img->codec_data = png_codec; - - return GGRAPH_OK; -} - -static int -xgdImagePngCtxGrayscale (gGraphImagePtr img, xgdIOCtx * outfile, - int compression_level, int quantization_factor, - int interlaced) -{ -/* compressing a PNG image [grayscale] */ - int i, j, bit_depth = 0, interlace_type; - int width = img->width; - int height = img->height; - png_structp png_ptr; - png_infop info_ptr; - png_bytep row_pointer = NULL; - int pass; - int num_passes; -#ifndef PNG_SETJMP_NOT_SUPPORTED - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, - &xgdPngJmpbufStruct, xgdPngErrorHandler, - NULL); -#else - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); -#endif - if (png_ptr == NULL) - return GGRAPH_INSUFFICIENT_MEMORY; - info_ptr = png_create_info_struct (png_ptr); - if (info_ptr == NULL) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - return GGRAPH_PNG_CODEC_ERROR; -#endif - png_set_write_fn (png_ptr, (void *) outfile, xgdPngWriteData, - xgdPngFlushData); - png_set_compression_level (png_ptr, compression_level); - bit_depth = 8; - if (interlaced) - interlace_type = PNG_INTERLACE_ADAM7; - else - interlace_type = PNG_INTERLACE_NONE; - png_set_IHDR (png_ptr, info_ptr, width, height, bit_depth, - PNG_COLOR_TYPE_GRAY, interlace_type, - PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); - png_write_info (png_ptr, info_ptr); - png_set_packing (png_ptr); - if (overflow2 (sizeof (png_bytep), height)) - return GGRAPH_PNG_CODEC_ERROR; - row_pointer = malloc (width); - if (!row_pointer) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } - num_passes = png_set_interlace_handling (png_ptr); - for (pass = 0; pass < num_passes; pass++) - { - /* Adam7 interlacing may require seven distinct images */ - for (j = 0; j < height; ++j) - { - png_bytep p_out = row_pointer; - unsigned char *p_in = img->pixels + (j * img->scanline_width); - for (i = 0; i < width; ++i) - { - int gray = *p_in++; - if (quantization_factor <= 0) - ; - else if (quantization_factor == 1) - gray |= 0x01; - else if (quantization_factor == 2) - gray |= 0x03; - else if (quantization_factor == 3) - gray |= 0x07; - else - gray |= 0x0f; - *p_out++ = gray; - } - png_write_row (png_ptr, row_pointer); - } - } - png_write_end (png_ptr, info_ptr); - free (row_pointer); - png_destroy_write_struct (&png_ptr, &info_ptr); - return GGRAPH_OK; -} - -static int -xgdStripImagePngCtxGrayscale (gGraphStripImagePtr img, xgdIOCtx * outfile, - int compression_level, int quantization_factor) -{ -/* preparing to compress a PNG image [grayscale] (by strip) */ - int bit_depth = 0, interlace_type; - int width = img->width; - int height = img->height; - png_structp png_ptr; - png_infop info_ptr; - png_bytep row_pointer = NULL; - struct png_codec_data *png_codec; -#ifndef PNG_SETJMP_NOT_SUPPORTED - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, - &xgdPngJmpbufStruct, xgdPngErrorHandler, - NULL); -#else - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); -#endif - if (png_ptr == NULL) - return GGRAPH_INSUFFICIENT_MEMORY; - info_ptr = png_create_info_struct (png_ptr); - if (info_ptr == NULL) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - if (row_pointer) - free (row_pointer); - png_destroy_write_struct (&png_ptr, &info_ptr); - return GGRAPH_PNG_CODEC_ERROR; - } -#endif - png_set_write_fn (png_ptr, (void *) outfile, xgdPngWriteData, - xgdPngFlushData); - png_set_compression_level (png_ptr, compression_level); - bit_depth = 8; - interlace_type = PNG_INTERLACE_NONE; - png_set_IHDR (png_ptr, info_ptr, width, height, bit_depth, - PNG_COLOR_TYPE_GRAY, interlace_type, - PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); - png_write_info (png_ptr, info_ptr); - png_set_packing (png_ptr); - if (overflow2 (sizeof (png_bytep), height)) - return GGRAPH_PNG_CODEC_ERROR; - row_pointer = malloc (width * 3); - if (!row_pointer) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } - -/* setting up the PNG codec struct */ - png_codec = malloc (sizeof (struct png_codec_data)); - if (!png_codec) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - free (row_pointer); - gg_strip_image_destroy (img); - return GGRAPH_INSUFFICIENT_MEMORY; - } - png_codec->is_writer = 1; - png_codec->row_pointer = row_pointer; - png_codec->png_ptr = png_ptr; - png_codec->info_ptr = info_ptr; - png_codec->palette_allocated = PNG_FALSE; - png_codec->palette = NULL; - png_codec->bit_depth = bit_depth; - png_codec->color_type = PNG_COLOR_TYPE_GRAY; - png_codec->interlace_type = PNG_INTERLACE_NONE; - png_codec->quantization_factor = quantization_factor; - png_codec->io_ctx = outfile; - img->codec_data = png_codec; - - return GGRAPH_OK; -} - -static int -xgdImagePngCtxRgb (gGraphImagePtr img, xgdIOCtx * outfile, - int compression_level, int quantization_factor, - int interlaced) -{ -/* compressing a PNG image [RGB] */ - int i, j, bit_depth = 0, interlace_type; - int width = img->width; - int height = img->height; - png_structp png_ptr; - png_infop info_ptr; - png_bytep row_pointer = NULL; - int pass; - int num_passes; -#ifndef PNG_SETJMP_NOT_SUPPORTED - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, - &xgdPngJmpbufStruct, xgdPngErrorHandler, - NULL); -#else - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); -#endif - if (png_ptr == NULL) - return GGRAPH_INSUFFICIENT_MEMORY; - info_ptr = png_create_info_struct (png_ptr); - if (info_ptr == NULL) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - if (row_pointer) - free (row_pointer); - png_destroy_write_struct (&png_ptr, &info_ptr); - return GGRAPH_PNG_CODEC_ERROR; - } -#endif - png_set_write_fn (png_ptr, (void *) outfile, xgdPngWriteData, - xgdPngFlushData); - png_set_compression_level (png_ptr, compression_level); - bit_depth = 8; - if (interlaced) - interlace_type = PNG_INTERLACE_ADAM7; - else - interlace_type = PNG_INTERLACE_NONE; - png_set_IHDR (png_ptr, info_ptr, width, height, bit_depth, - PNG_COLOR_TYPE_RGB, interlace_type, - PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); - png_write_info (png_ptr, info_ptr); - png_set_packing (png_ptr); - if (overflow2 (sizeof (png_bytep), height)) - return GGRAPH_PNG_CODEC_ERROR; - row_pointer = malloc (width * 3); - if (!row_pointer) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } - num_passes = png_set_interlace_handling (png_ptr); - for (pass = 0; pass < num_passes; pass++) - { - /* Adam7 interlacing may require seven distinct images */ - for (j = 0; j < height; j++) - { - png_bytep p_out = row_pointer; - unsigned char *p_in = img->pixels + (j * img->scanline_width); - for (i = 0; i < width; ++i) - { - unsigned char r; - unsigned char g; - unsigned char b; - if (img->pixel_format == GG_PIXEL_RGB) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - b = *p_in++; - g = *p_in++; - r = *p_in++; - } - if (quantization_factor <= 0) - ; - else if (quantization_factor == 1) - { - r |= 0x01; - g |= 0x01; - b |= 0x01; - } - else if (quantization_factor == 2) - { - r |= 0x03; - g |= 0x03; - b |= 0x03; - } - else if (quantization_factor == 3) - { - r |= 0x07; - g |= 0x07; - b |= 0x07; - } - else - { - r |= 0x0f; - g |= 0x0f; - b |= 0x0f; - } - *p_out++ = r; - *p_out++ = g; - *p_out++ = b; - } - png_write_row (png_ptr, row_pointer); - } - } - png_write_end (png_ptr, info_ptr); - free (row_pointer); - png_destroy_write_struct (&png_ptr, &info_ptr); - return GGRAPH_OK; -} - -static int -xgdStripImagePngCtxRgb (gGraphStripImagePtr img, xgdIOCtx * outfile, - int compression_level, int quantization_factor) -{ -/* preparing to compress a PNG image [RGB] (by strip) */ - int bit_depth = 0, interlace_type; - int width = img->width; - int height = img->height; - png_structp png_ptr; - png_infop info_ptr; - png_bytep row_pointer = NULL; - struct png_codec_data *png_codec; -#ifndef PNG_SETJMP_NOT_SUPPORTED - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, - &xgdPngJmpbufStruct, xgdPngErrorHandler, - NULL); -#else - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); -#endif - if (png_ptr == NULL) - return GGRAPH_INSUFFICIENT_MEMORY; - info_ptr = png_create_info_struct (png_ptr); - if (info_ptr == NULL) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - if (row_pointer) - free (row_pointer); - png_destroy_write_struct (&png_ptr, &info_ptr); - return GGRAPH_PNG_CODEC_ERROR; - } -#endif - png_set_write_fn (png_ptr, (void *) outfile, xgdPngWriteData, - xgdPngFlushData); - png_set_compression_level (png_ptr, compression_level); - bit_depth = 8; - interlace_type = PNG_INTERLACE_NONE; - png_set_IHDR (png_ptr, info_ptr, width, height, bit_depth, - PNG_COLOR_TYPE_RGB, interlace_type, - PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); - png_write_info (png_ptr, info_ptr); - png_set_packing (png_ptr); - if (overflow2 (sizeof (png_bytep), height)) - return GGRAPH_PNG_CODEC_ERROR; - row_pointer = malloc (width * 3); - if (!row_pointer) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } - -/* setting up the PNG codec struct */ - png_codec = malloc (sizeof (struct png_codec_data)); - if (!png_codec) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - free (row_pointer); - gg_strip_image_destroy (img); - return GGRAPH_INSUFFICIENT_MEMORY; - } - png_codec->is_writer = 1; - png_codec->row_pointer = row_pointer; - png_codec->png_ptr = png_ptr; - png_codec->info_ptr = info_ptr; - png_codec->palette_allocated = PNG_FALSE; - png_codec->palette = NULL; - png_codec->bit_depth = bit_depth; - png_codec->color_type = PNG_COLOR_TYPE_RGB; - png_codec->interlace_type = PNG_INTERLACE_NONE; - png_codec->quantization_factor = quantization_factor; - png_codec->io_ctx = outfile; - img->codec_data = png_codec; - - return GGRAPH_OK; -} - -static int -xgdImagePngCtxRgbAlpha (gGraphImagePtr img, xgdIOCtx * outfile, - int compression_level, int quantization_factor, - int interlaced) -{ -/* compressing a PNG image [RGBA] */ - int i, j, bit_depth = 0, interlace_type; - int width = img->width; - int height = img->height; - png_structp png_ptr; - png_infop info_ptr; - png_bytep row_pointer = NULL; - int pass; - int num_passes; -#ifndef PNG_SETJMP_NOT_SUPPORTED - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, - &xgdPngJmpbufStruct, xgdPngErrorHandler, - NULL); -#else - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); -#endif - if (png_ptr == NULL) - return GGRAPH_INSUFFICIENT_MEMORY; - info_ptr = png_create_info_struct (png_ptr); - if (info_ptr == NULL) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - if (row_pointer) - free (row_pointer); - png_destroy_write_struct (&png_ptr, &info_ptr); - return GGRAPH_PNG_CODEC_ERROR; - } -#endif - png_set_write_fn (png_ptr, (void *) outfile, xgdPngWriteData, - xgdPngFlushData); - png_set_compression_level (png_ptr, compression_level); - bit_depth = 8; - if (interlaced) - interlace_type = PNG_INTERLACE_ADAM7; - else - interlace_type = PNG_INTERLACE_NONE; - png_set_IHDR (png_ptr, info_ptr, width, height, bit_depth, - PNG_COLOR_TYPE_RGB_ALPHA, interlace_type, - PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); - png_write_info (png_ptr, info_ptr); - png_set_packing (png_ptr); - if (overflow2 (sizeof (png_bytep), height)) - return GGRAPH_PNG_CODEC_ERROR; - row_pointer = malloc (width * 4); - if (!row_pointer) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } - num_passes = png_set_interlace_handling (png_ptr); - for (pass = 0; pass < num_passes; pass++) - { - /* Adam7 interlacing may require seven distinct images */ - for (j = 0; j < height; ++j) - { - png_bytep p_out = row_pointer; - unsigned char *p_in = img->pixels + (j * img->scanline_width); - for (i = 0; i < width; ++i) - { - unsigned char r; - unsigned char g; - unsigned char b; - unsigned char alpha; - if (img->pixel_format == GG_PIXEL_RGBA) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - alpha = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - alpha = *p_in++; - r = *p_in++; - g = *p_in++; - b = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - b = *p_in++; - g = *p_in++; - r = *p_in++; - alpha = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGB) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - if (r == img->transparent_red - && g == img->transparent_green - && b == img->transparent_blue) - alpha = 0; - else - alpha = 255; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - b = *p_in++; - g = *p_in++; - r = *p_in++; - if (r == img->transparent_red - && g == img->transparent_green - && b == img->transparent_blue) - alpha = 0; - else - alpha = 255; - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - r = *p_in++; - g = r; - b = r; - if (r == img->transparent_red - && g == img->transparent_green - && b == img->transparent_blue) - alpha = 0; - else - alpha = 255; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int idx = *p_in++; - r = img->palette_red[idx]; - g = img->palette_green[idx]; - b = img->palette_blue[idx]; - if (r == img->transparent_red - && g == img->transparent_green - && b == img->transparent_blue) - alpha = 0; - else - alpha = 255; - } - if (quantization_factor <= 0) - ; - else if (quantization_factor == 1) - { - r |= 0x01; - g |= 0x01; - b |= 0x01; - } - else if (quantization_factor == 2) - { - r |= 0x03; - g |= 0x03; - b |= 0x03; - } - else if (quantization_factor == 3) - { - r |= 0x07; - g |= 0x07; - b |= 0x07; - } - else - { - r |= 0x0f; - g |= 0x0f; - b |= 0x0f; - } - *p_out++ = r; - *p_out++ = g; - *p_out++ = b; - *p_out++ = alpha; - } - png_write_row (png_ptr, row_pointer); - } - } - png_write_end (png_ptr, info_ptr); - free (row_pointer); - png_destroy_write_struct (&png_ptr, &info_ptr); - return GGRAPH_OK; -} - -static int -xgdStripImagePngCtxRgbAlpha (gGraphStripImagePtr img, xgdIOCtx * outfile, - int compression_level, int quantization_factor) -{ -/* preparing to compress a PNG image [RGBA] (by strip) */ - int bit_depth = 0, interlace_type; - int width = img->width; - int height = img->height; - png_structp png_ptr; - png_infop info_ptr; - png_bytep row_pointer = NULL; - struct png_codec_data *png_codec; -#ifndef PNG_SETJMP_NOT_SUPPORTED - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, - &xgdPngJmpbufStruct, xgdPngErrorHandler, - NULL); -#else - png_ptr = png_create_write_struct (PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); -#endif - if (png_ptr == NULL) - return GGRAPH_INSUFFICIENT_MEMORY; - info_ptr = png_create_info_struct (png_ptr); - if (info_ptr == NULL) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - { - if (row_pointer) - free (row_pointer); - png_destroy_write_struct (&png_ptr, &info_ptr); - return GGRAPH_PNG_CODEC_ERROR; - } -#endif - png_set_write_fn (png_ptr, (void *) outfile, xgdPngWriteData, - xgdPngFlushData); - png_set_compression_level (png_ptr, compression_level); - bit_depth = 8; - interlace_type = PNG_INTERLACE_NONE; - png_set_IHDR (png_ptr, info_ptr, width, height, bit_depth, - PNG_COLOR_TYPE_RGB_ALPHA, interlace_type, - PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); - png_write_info (png_ptr, info_ptr); - png_set_packing (png_ptr); - if (overflow2 (sizeof (png_bytep), height)) - return GGRAPH_PNG_CODEC_ERROR; - row_pointer = malloc (width * 4); - if (!row_pointer) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - return GGRAPH_INSUFFICIENT_MEMORY; - } - -/* setting up the PNG codec struct */ - png_codec = malloc (sizeof (struct png_codec_data)); - if (!png_codec) - { - png_destroy_write_struct (&png_ptr, (png_infopp) NULL); - free (row_pointer); - gg_strip_image_destroy (img); - return GGRAPH_INSUFFICIENT_MEMORY; - } - png_codec->is_writer = 1; - png_codec->row_pointer = row_pointer; - png_codec->png_ptr = png_ptr; - png_codec->info_ptr = info_ptr; - png_codec->palette_allocated = PNG_FALSE; - png_codec->palette = NULL; - png_codec->bit_depth = bit_depth; - png_codec->color_type = PNG_COLOR_TYPE_RGB_ALPHA; - png_codec->interlace_type = PNG_INTERLACE_NONE; - png_codec->quantization_factor = quantization_factor; - png_codec->io_ctx = outfile; - img->codec_data = png_codec; - - return GGRAPH_OK; -} - -static int -xgdStripImagePngCtx (gGraphStripImagePtr img) -{ -/* compressing a PNG image [by strip] */ - int i, j; - int width = img->width; - int height = img->height; - struct png_codec_data *png_codec = - (struct png_codec_data *) (img->codec_data); - png_structp png_ptr = png_codec->png_ptr; - png_bytep row_pointer = png_codec->row_pointer; - int quantization_factor = png_codec->quantization_factor; - - if (img->next_row >= img->height) - { - /* EOF condition */ - fprintf (stderr, "png-wrapper error: attempting to write beyond EOF"); - return GGRAPH_PNG_CODEC_ERROR; - } - height = img->current_available_rows; - -#ifndef PNG_SETJMP_NOT_SUPPORTED - if (setjmp (xgdPngJmpbufStruct.jmpbuf)) - return GGRAPH_PNG_CODEC_ERROR; -#endif - for (j = 0; j < height; ++j) - { - png_bytep p_out = row_pointer; - unsigned char *p_in = img->pixels + (j * img->scanline_width); - for (i = 0; i < width; ++i) - { - unsigned char r; - unsigned char g; - unsigned char b; - unsigned char alpha; - if (img->pixel_format == GG_PIXEL_PALETTE - || img->pixel_format == GG_PIXEL_GRAYSCALE) - { - /* simply copying pixels */ - *p_out++ = *p_in++; - continue; - } - - /* expected to be RGB or RGB-Alpha */ - if (img->pixel_format == GG_PIXEL_RGBA) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - alpha = *p_in++; - } - else - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - } - - /* applying color quantization (if required) */ - if (quantization_factor <= 0) - ; - else if (quantization_factor == 1) - { - r |= 0x01; - g |= 0x01; - b |= 0x01; - } - else if (quantization_factor == 2) - { - r |= 0x03; - g |= 0x03; - b |= 0x03; - } - else if (quantization_factor == 3) - { - r |= 0x07; - g |= 0x07; - b |= 0x07; - } - else - { - r |= 0x0f; - g |= 0x0f; - b |= 0x0f; - } - - /* outputting the pixel */ - if (img->pixel_format == GG_PIXEL_RGBA) - { - *p_out++ = r; - *p_out++ = g; - *p_out++ = b; - *p_out++ = alpha; - } - else - { - *p_out++ = r; - *p_out++ = g; - *p_out++ = b; - } - } - png_write_row (png_ptr, row_pointer); - } - img->next_row += height; - return GGRAPH_OK; -} - -static int -image_to_png_palette (const gGraphImagePtr img, void **mem_buf, - int *mem_buf_size, FILE * file, int dest_type, - int compression_level, int interlaced) -{ -/* compressing an image as PNG PALETTE */ - int ret; - void *rv; - int size; - xgdIOCtx *out; - -/* checkings args for validity */ - if (dest_type == GG_TARGET_IS_FILE) - { - if (!file) - return GGRAPH_ERROR; - } - else - { - if (!mem_buf || !mem_buf_size) - return GGRAPH_ERROR; - *mem_buf = NULL; - *mem_buf_size = 0; - } - - if (dest_type == GG_TARGET_IS_FILE) - out = xgdNewDynamicCtx (0, file, dest_type); - else - out = xgdNewDynamicCtx (2048, NULL, dest_type); - if (compression_level < 0 || compression_level > 9) - compression_level = 4; - ret = xgdImagePngCtxPalette (img, out, compression_level, interlaced); - if (dest_type == GG_TARGET_IS_FILE) - { - out->xgd_free (out); - return ret; - } - - if (ret == GGRAPH_OK) - rv = xgdDPExtractData (out, &size); - out->xgd_free (out); - *mem_buf = rv; - *mem_buf_size = size; - return ret; -} - -static int -image_prepare_to_png_palette_by_strip (const gGraphStripImagePtr img, - FILE * file, int compression_level) -{ -/* preparing to compress an image as PNG PALETTE [by strip] */ - xgdIOCtx *out; - -/* checkings args for validity */ - if (!file) - return GGRAPH_ERROR; - - out = xgdNewDynamicCtx (0, file, GG_TARGET_IS_FILE); - if (compression_level < 0 || compression_level > 9) - compression_level = 4; - return xgdStripImagePngCtxPalette (img, out, compression_level); -} - -static int -image_to_png_grayscale (const gGraphImagePtr img, void **mem_buf, - int *mem_buf_size, FILE * file, int dest_type, - int compression_level, int quantization_factor, - int interlaced) -{ -/* compressing an image as PNG GRAYSCALE */ - int ret; - void *rv; - int size; - xgdIOCtx *out; - -/* checkings args for validity */ - if (dest_type == GG_TARGET_IS_FILE) - { - if (!file) - return GGRAPH_ERROR; - } - else - { - if (!mem_buf || !mem_buf_size) - return GGRAPH_ERROR; - *mem_buf = NULL; - *mem_buf_size = 0; - } - - if (dest_type == GG_TARGET_IS_FILE) - out = xgdNewDynamicCtx (0, file, dest_type); - else - out = xgdNewDynamicCtx (2048, NULL, dest_type); - if (compression_level < 0 || compression_level > 9) - compression_level = 4; - ret = - xgdImagePngCtxGrayscale (img, out, compression_level, - quantization_factor, interlaced); - if (dest_type == GG_TARGET_IS_FILE) - { - out->xgd_free (out); - return ret; - } - - if (ret == GGRAPH_OK) - rv = xgdDPExtractData (out, &size); - out->xgd_free (out); - *mem_buf = rv; - *mem_buf_size = size; - return ret; -} - -static int -image_prepare_to_png_grayscale_by_strip (const gGraphStripImagePtr img, - FILE * file, int compression_level, - int quantization_factor) -{ -/* preparing to compress an image as PNG GRAYSCALE [by strip] */ - xgdIOCtx *out; - -/* checkings args for validity */ - if (!file) - return GGRAPH_ERROR; - - out = xgdNewDynamicCtx (0, file, GG_TARGET_IS_FILE); - if (compression_level < 0 || compression_level > 9) - compression_level = 4; - return xgdStripImagePngCtxGrayscale (img, out, compression_level, - quantization_factor); -} - -static int -image_to_png_rgb (const gGraphImagePtr img, void **mem_buf, int *mem_buf_size, - FILE * file, int dest_type, int compression_level, - int quantization_factor, int interlaced) -{ -/* compressing an image as PNG RGB */ - int ret; - void *rv; - int size; - xgdIOCtx *out; - -/* checkings args for validity */ - if (dest_type == GG_TARGET_IS_FILE) - { - if (!file) - return GGRAPH_ERROR; - } - else - { - if (!mem_buf || !mem_buf_size) - return GGRAPH_ERROR; - *mem_buf = NULL; - *mem_buf_size = 0; - } - - if (dest_type == GG_TARGET_IS_FILE) - out = xgdNewDynamicCtx (0, file, dest_type); - else - out = xgdNewDynamicCtx (2048, NULL, dest_type); - if (compression_level < 0 || compression_level > 9) - compression_level = 4; - ret = - xgdImagePngCtxRgb (img, out, compression_level, quantization_factor, - interlaced); - if (dest_type == GG_TARGET_IS_FILE) - { - out->xgd_free (out); - return ret; - } - - if (ret == GGRAPH_OK) - rv = xgdDPExtractData (out, &size); - out->xgd_free (out); - *mem_buf = rv; - *mem_buf_size = size; - return ret; -} - -static int -image_prepare_to_png_rgb_by_strip (const gGraphStripImagePtr img, FILE * file, - int compression_level, - int quantization_factor) -{ -/* preparing to compress an image as PNG RGB [by strip] */ - xgdIOCtx *out; - -/* checkings args for validity */ - if (!file) - return GGRAPH_ERROR; - - out = xgdNewDynamicCtx (0, file, GG_TARGET_IS_FILE); - if (compression_level < 0 || compression_level > 9) - compression_level = 4; - return xgdStripImagePngCtxRgb (img, out, compression_level, - quantization_factor); -} - -static int -image_to_png_rgba (const gGraphImagePtr img, void **mem_buf, int *mem_buf_size, - FILE * file, int dest_type, int compression_level, - int quantization_factor, int interlaced) -{ -/* compressing an image as PNG RGBA */ - int ret; - void *rv; - int size; - xgdIOCtx *out; - -/* checkings args for validity */ - if (dest_type == GG_TARGET_IS_FILE) - { - if (!file) - return GGRAPH_ERROR; - } - else - { - if (!mem_buf || !mem_buf_size) - return GGRAPH_ERROR; - *mem_buf = NULL; - *mem_buf_size = 0; - } - - if (dest_type == GG_TARGET_IS_FILE) - out = xgdNewDynamicCtx (0, file, dest_type); - else - out = xgdNewDynamicCtx (2048, NULL, dest_type); - if (compression_level < 0 || compression_level > 9) - compression_level = 4; - ret = - xgdImagePngCtxRgbAlpha (img, out, compression_level, - quantization_factor, interlaced); - if (dest_type == GG_TARGET_IS_FILE) - { - out->xgd_free (out); - return ret; - } - - if (ret == GGRAPH_OK) - rv = xgdDPExtractData (out, &size); - out->xgd_free (out); - *mem_buf = rv; - *mem_buf_size = size; - return ret; -} - -static int -image_prepare_to_png_rgba_by_strip (const gGraphStripImagePtr img, FILE * file, - int compression_level, - int quantization_factor) -{ -/* preparing to compress an image as PNG RGBA [by strip] */ - xgdIOCtx *out; - -/* checkings args for validity */ - if (!file) - return GGRAPH_ERROR; - - out = xgdNewDynamicCtx (0, file, GG_TARGET_IS_FILE); - if (compression_level < 0 || compression_level > 9) - compression_level = 4; - return xgdStripImagePngCtxRgbAlpha (img, out, compression_level, - quantization_factor); -} - -GGRAPH_PRIVATE int -gg_image_to_png (const gGraphImagePtr img, void **mem_buf, int *mem_buf_size, - FILE * file, int dest_type, int compression_level, - int quantization_factor, int interlaced, int is_transparent) -{ -/* dispatching PNG compression */ - if (img->pixel_format == GG_PIXEL_RGBA || img->pixel_format == GG_PIXEL_ARGB - || img->pixel_format == GG_PIXEL_BGRA || is_transparent) - return image_to_png_rgba (img, mem_buf, mem_buf_size, file, dest_type, - compression_level, quantization_factor, - interlaced); - if (img->pixel_format == GG_PIXEL_PALETTE) - return image_to_png_palette (img, mem_buf, mem_buf_size, file, - dest_type, compression_level, interlaced); - if (img->pixel_format == GG_PIXEL_GRAYSCALE) - return image_to_png_grayscale (img, mem_buf, mem_buf_size, file, - dest_type, compression_level, - quantization_factor, interlaced); - return image_to_png_rgb (img, mem_buf, mem_buf_size, file, dest_type, - compression_level, quantization_factor, - interlaced); -} - -GGRAPH_PRIVATE int -gg_image_prepare_to_png_by_strip (const gGraphStripImagePtr img, - FILE * file, int compression_level, - int quantization_factor) -{ -/* dispatching PNG compression [by strip] */ - if (img->pixel_format == GG_PIXEL_PALETTE) - return image_prepare_to_png_palette_by_strip (img, file, - compression_level); - if (img->pixel_format == GG_PIXEL_GRAYSCALE) - return image_prepare_to_png_grayscale_by_strip (img, file, - compression_level, - quantization_factor); - if (img->pixel_format == GG_PIXEL_RGBA || img->pixel_format == GG_PIXEL_ARGB - || img->pixel_format == GG_PIXEL_BGRA) - return image_prepare_to_png_rgba_by_strip (img, file, compression_level, - quantization_factor); - return image_prepare_to_png_rgb_by_strip (img, file, compression_level, - quantization_factor); -} - -GGRAPH_PRIVATE int -gg_image_write_to_png_by_strip (const gGraphStripImagePtr img, int *progress) -{ -/* scanline(s) PNG compression [by strip] */ - int ret = xgdStripImagePngCtx (img); - if (ret == GGRAPH_OK && progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return ret; -} - -GGRAPH_PRIVATE int -gg_image_from_png (int size, const void *data, int source_type, - gGraphImagePtr * image_handle, int scale) -{ -/* uncompressing a PNG */ - int errcode = GGRAPH_OK; - gGraphImagePtr img; - xgdIOCtx *in = - xgdNewDynamicCtxEx (size, data, XGD_CTX_DONT_FREE, source_type); - img = xgdImageCreateFromPngCtx (in, &errcode, scale); - in->xgd_free (in); - *image_handle = img; - return errcode; -} - -GGRAPH_PRIVATE int -gg_image_infos_from_png (int size, const void *data, int source_type, - gGraphImageInfosPtr * infos_handle) -{ -/* image infos from PNG */ - int errcode = GGRAPH_OK; - gGraphImageInfosPtr infos; - xgdIOCtx *in = - xgdNewDynamicCtxEx (size, data, XGD_CTX_DONT_FREE, source_type); - infos = xgdImageInfosFromPngCtx (in, &errcode); - in->xgd_free (in); - *infos_handle = infos; - return errcode; -} - -GGRAPH_PRIVATE int -gg_image_strip_prepare_from_png (FILE * file, - gGraphStripImagePtr * image_handle) -{ -/* preparing to uncompress a PNG [by strips] */ - int errcode = GGRAPH_OK; - gGraphStripImagePtr img; - xgdIOCtx *in = - xgdNewDynamicCtxEx (0, file, XGD_CTX_DONT_FREE, GG_TARGET_IS_FILE); - img = xgdStripImageCreateFromPngCtx (in, &errcode, file); - *image_handle = img; - return errcode; -} - -GGRAPH_PRIVATE int -gg_image_strip_read_from_png (gGraphStripImagePtr img, int *progress) -{ -/* uncompressing a PNG [by strips] */ - int ret = xgdStripImageReadFromPngCtx (img); - if (ret == GGRAPH_OK && progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return ret; -} DELETED src/gaiagraphics_quantize.c Index: src/gaiagraphics_quantize.c ================================================================== --- src/gaiagraphics_quantize.c +++ src/gaiagraphics_quantize.c @@ -1,1098 +0,0 @@ -/* -/ gaiagraphics_quantize.c -/ -/ quantization methods -/ -/ version 1.0, 2010 July 20 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2010 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -/* -/ -/ DISCLAIMER: -/ all the following code merely is an 'ad hoc' adaption -/ of the following LGPLed code: -/ -////////////////////////////////////////////////////////////////////////////// -/ - median.c: median cut - reducing a high color bitmap to certain number of colors - - Copyright (C) 2001, 2002 Martin Weber - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public License - as published by the Free Software Foundation; either version 2.1 of - the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -*/ - -#include -#include - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -#define encode_color(r, g, b) (((r) << 16) + ((g) << 8) + (b)) -#define color_get_red(c) (((c) & 0xFF0000) >> 16) -#define color_get_green(c) (((c) & 0x00FF00) >> 8) -#define color_get_blue(c) ((c) & 0x0000FF) - -#define MAXNUMCOLORS 256 - -/* scale RGB distances by *2,*3,*1 */ -#define R_SCALE <<1 -#define G_SCALE *3 -#define B_SCALE - -#define BITS_IN_SAMPLE 8 - -#define R_SHIFT (BITS_IN_SAMPLE - PRECISION_R) -#define G_SHIFT (BITS_IN_SAMPLE - PRECISION_G) -#define B_SHIFT (BITS_IN_SAMPLE - PRECISION_B) - -#define PRECISION_R 7 -#define PRECISION_G 7 -#define PRECISION_B 7 - -#define HIST_R_ELEMS (1<height; y++) - { - p_in = img->pixels + (y * img->scanline_width); - for (x = 0; x < img->width; x++) - { - /* retrieving a pixel */ - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping alpha */ - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img->palette_red[index]; - green = img->palette_green[index]; - blue = img->palette_blue[index]; - } - col = &histogram[(red >> R_SHIFT) * MR - + (green >> G_SHIFT) * MG + (blue >> B_SHIFT)]; - (*col)++; - } - } -} - - -static boxptr -find_biggest_volume (boxptr boxlist, int numboxes) -/* Find the splittable box with the largest (scaled) volume */ -/* Returns 0 if no splittable boxes remain */ -{ - boxptr boxp; - int i; - int maxv = 0; - boxptr which = 0; - - for (i = 0, boxp = boxlist; i < numboxes; i++, boxp++) - { - if (boxp->volume > maxv) - { - which = boxp; - maxv = boxp->volume; - } - } - - return which; -} - - -static void -update_box_rgb (Histogram histogram, boxptr boxp) -/* Shrink the min/max bounds of a box to enclose only nonzero elements, */ -/* and recompute its volume and population */ -{ - ColorFreq *histp; - int R, G, B; - int Rmin, Rmax, Gmin, Gmax, Bmin, Bmax; - int dist0, dist1, dist2; - long ccount; - - Rmin = boxp->Rmin; - Rmax = boxp->Rmax; - Gmin = boxp->Gmin; - Gmax = boxp->Gmax; - Bmin = boxp->Bmin; - Bmax = boxp->Bmax; - - if (Rmax > Rmin) - for (R = Rmin; R <= Rmax; R++) - for (G = Gmin; G <= Gmax; G++) - { - histp = histogram + R * MR + G * MG + Bmin; - for (B = Bmin; B <= Bmax; B++) - if (*histp++ != 0) - { - boxp->Rmin = Rmin = R; - goto have_Rmin; - } - } - have_Rmin: - if (Rmax > Rmin) - for (R = Rmax; R >= Rmin; R--) - for (G = Gmin; G <= Gmax; G++) - { - histp = histogram + R * MR + G * MG + Bmin; - for (B = Bmin; B <= Bmax; B++) - if (*histp++ != 0) - { - boxp->Rmax = Rmax = R; - goto have_Rmax; - } - } - have_Rmax: - if (Gmax > Gmin) - for (G = Gmin; G <= Gmax; G++) - for (R = Rmin; R <= Rmax; R++) - { - histp = histogram + R * MR + G * MG + Bmin; - for (B = Bmin; B <= Bmax; B++) - if (*histp++ != 0) - { - boxp->Gmin = Gmin = G; - goto have_Gmin; - } - } - have_Gmin: - if (Gmax > Gmin) - for (G = Gmax; G >= Gmin; G--) - for (R = Rmin; R <= Rmax; R++) - { - histp = histogram + R * MR + G * MG + Bmin; - for (B = Bmin; B <= Bmax; B++) - if (*histp++ != 0) - { - boxp->Gmax = Gmax = G; - goto have_Gmax; - } - } - have_Gmax: - if (Bmax > Bmin) - for (B = Bmin; B <= Bmax; B++) - for (R = Rmin; R <= Rmax; R++) - { - histp = histogram + R * MR + Gmin * MG + B; - for (G = Gmin; G <= Gmax; G++, histp += MG) - if (*histp != 0) - { - boxp->Bmin = Bmin = B; - goto have_Bmin; - } - } - have_Bmin: - if (Bmax > Bmin) - for (B = Bmax; B >= Bmin; B--) - for (R = Rmin; R <= Rmax; R++) - { - histp = histogram + R * MR + Gmin * MG + B; - for (G = Gmin; G <= Gmax; G++, histp += MG) - if (*histp != 0) - { - boxp->Bmax = Bmax = B; - goto have_Bmax; - } - } - have_Bmax: - - /* Update box volume. - * We use 2-norm rather than real volume here; this biases the method - * against making long narrow boxes, and it has the side benefit that - * a box is splittable iff norm > 0. - * Since the differences are expressed in histogram-cell units, - * we have to shift back to JSAMPLE units to get consistent distances; - * after which, we scale according to the selected distance scale factors. - */ - dist0 = Rmax - Rmin; - dist1 = Gmax - Gmin; - dist2 = Bmax - Bmin; - boxp->volume = dist0 * dist0 + dist1 * dist1 + dist2 * dist2; - - /* Now scan remaining volume of box and compute population */ - ccount = 0; - for (R = Rmin; R <= Rmax; R++) - for (G = Gmin; G <= Gmax; G++) - { - histp = histogram + R * MR + G * MG + Bmin; - for (B = Bmin; B <= Bmax; B++, histp++) - if (*histp != 0) - { - ccount++; - } - } - - boxp->colorcount = ccount; -} - - -static int -median_cut_rgb (Histogram histogram, boxptr boxlist, int numboxes, - int desired_colors) -/* Repeatedly select and split the largest box until we have enough boxes */ -{ - int n, lb; - int R, G, B, cmax; - boxptr b1, b2; - - while (numboxes < desired_colors) - { - /* Select box to split. - * Current algorithm: by population for first half, then by volume. - */ - b1 = find_biggest_volume (boxlist, numboxes); - - if (b1 == 0) /* no splittable boxes left! */ - break; - b2 = boxlist + numboxes; /* where new box will go */ - /* Copy the color bounds to the new box. */ - b2->Rmax = b1->Rmax; - b2->Gmax = b1->Gmax; - b2->Bmax = b1->Bmax; - b2->Rmin = b1->Rmin; - b2->Gmin = b1->Gmin; - b2->Bmin = b1->Bmin; - /* Choose which axis to split the box on. - * Current algorithm: longest scaled axis. - * See notes in update_box about scaling distances. - */ - R = b1->Rmax - b1->Rmin; - G = b1->Gmax - b1->Gmin; - B = b1->Bmax - b1->Bmin; - /* We want to break any ties in favor of green, then red, blue last. - */ - cmax = G; - n = 1; - if (R > cmax) - { - cmax = R; - n = 0; - } - if (B > cmax) - { - n = 2; - } - /* Choose split point along selected axis, and update box bounds. - * Current algorithm: split at halfway point. - * (Since the box has been shrunk to minimum volume, - * any split will produce two nonempty subboxes.) - * Note that lb value is max for lower box, so must be < old max. - */ - switch (n) - { - case 0: - lb = (b1->Rmax + b1->Rmin) / 2; - b1->Rmax = lb; - b2->Rmin = lb + 1; - break; - case 1: - lb = (b1->Gmax + b1->Gmin) / 2; - b1->Gmax = lb; - b2->Gmin = lb + 1; - break; - case 2: - lb = (b1->Bmax + b1->Bmin) / 2; - b1->Bmax = lb; - b2->Bmin = lb + 1; - break; - } - /* Update stats for boxes */ - update_box_rgb (histogram, b1); - update_box_rgb (histogram, b2); - numboxes++; - } - return numboxes; -} - - -static void -compute_color_rgb (QuantizeObj * quantobj, Histogram histogram, - boxptr boxp, int icolor) -/* Compute representative color for a box, put it in colormap[icolor] */ -{ - /* Current algorithm: mean weighted by pixels (not colors) */ - /* Note it is important to get the rounding correct! */ - ColorFreq *histp; - int R, G, B; - int Rmin, Rmax; - int Gmin, Gmax; - int Bmin, Bmax; - unsigned long count; - unsigned long total = 0; - unsigned long Rtotal = 0; - unsigned long Gtotal = 0; - unsigned long Btotal = 0; - int pixel; - int r; - int g; - int b; - - Rmin = boxp->Rmin; - Rmax = boxp->Rmax; - Gmin = boxp->Gmin; - Gmax = boxp->Gmax; - Bmin = boxp->Bmin; - Bmax = boxp->Bmax; - - for (R = Rmin; R <= Rmax; R++) - for (G = Gmin; G <= Gmax; G++) - { - histp = histogram + R * MR + G * MG + Bmin; - for (B = Bmin; B <= Bmax; B++) - { - if ((count = *histp++) != 0) - { - total += count; - Rtotal += - ((R << R_SHIFT) + ((1 << R_SHIFT) >> 1)) * count; - Gtotal += - ((G << G_SHIFT) + ((1 << G_SHIFT) >> 1)) * count; - Btotal += - ((B << B_SHIFT) + ((1 << B_SHIFT) >> 1)) * count; - } - } - } - - r = (unsigned char) ((Rtotal + (total >> 1)) / total); - g = (unsigned char) ((Gtotal + (total >> 1)) / total); - b = (unsigned char) ((Btotal + (total >> 1)) / total); - pixel = encode_color (r, g, b); - quantobj->cmap[icolor] = pixel; - if ((icolor + 1) > quantobj->max_cmap) - quantobj->max_cmap = (icolor + 1); - quantobj->freq[icolor] = total; -} - - -static void -select_colors_rgb (QuantizeObj * quantobj, Histogram histogram) -/* Master routine for color selection */ -{ - boxptr boxlist; - int numboxes; - int desired = quantobj->desired_number_of_colors; - int i; - - /* Allocate workspace for box list */ - boxlist = malloc (desired * sizeof (box)); - - /* Initialize one box containing whole space */ - numboxes = 1; - boxlist[0].Rmin = 0; - boxlist[0].Rmax = (1 << PRECISION_R) - 1; - boxlist[0].Gmin = 0; - boxlist[0].Gmax = (1 << PRECISION_G) - 1; - boxlist[0].Bmin = 0; - boxlist[0].Bmax = (1 << PRECISION_B) - 1; - /* Shrink it to actually-used volume and set its statistics */ - update_box_rgb (histogram, boxlist); - /* Perform median-cut to produce final box list */ - numboxes = median_cut_rgb (histogram, boxlist, numboxes, desired); - quantobj->actual_number_of_colors = numboxes; - /* Compute the representative color for each box, fill colormap */ - for (i = 0; i < numboxes; i++) - compute_color_rgb (quantobj, histogram, boxlist + i, i); - free (boxlist); -} - - -/* - * These routines are concerned with the time-critical task of mapping input - * colors to the nearest color in the selected colormap. - * - * We re-use the histogram space as an "inverse color map", essentially a - * cache for the results of nearest-color searches. All colors within a - * histogram cell will be mapped to the same colormap entry, namely the one - * closest to the cell's center. This may not be quite the closest entry to - * the actual input color, but it's almost as good. A zero in the cache - * indicates we haven't found the nearest color for that cell yet; the array - * is cleared to zeroes before starting the mapping pass. When we find the - * nearest color for a cell, its colormap index plus one is recorded in the - * cache for future use. The pass2 scanning routines call fill_inverse_cmap - * when they need to use an unfilled entry in the cache. - * - * Our method of efficiently finding nearest colors is based on the "locally - * sorted search" idea described by Heckbert and on the incremental distance - * calculation described by Spencer W. Thomas in chapter III.1 of Graphics - * Gems II (James Arvo, ed. Academic Press, 1991). Thomas points out that - * the distances from a given colormap entry to each cell of the histogram can - * be computed quickly using an incremental method: the differences between - * distances to adjacent cells themselves differ by a constant. This allows a - * fairly fast implementation of the "brute force" approach of computing the - * distance from every colormap entry to every histogram cell. Unfortunately, - * it needs a work array to hold the best-distance-so-far for each histogram - * cell (because the inner loop has to be over cells, not colormap entries). - * The work array elements have to be ints, so the work array would need - * 256Kb at our recommended precision. This is not feasible in DOS machines. - -[ 256*1024/4 = 65,536 ] - - * To get around these problems, we apply Thomas' method to compute the - * nearest colors for only the cells within a small subbox of the histogram. - * The work array need be only as big as the subbox, so the memory usage - * problem is solved. Furthermore, we need not fill subboxes that are never - * referenced in pass2; many images use only part of the color gamut, so a - * fair amount of work is saved. An additional advantage of this - * approach is that we can apply Heckbert's locality criterion to quickly - * eliminate colormap entries that are far away from the subbox; typically - * three-fourths of the colormap entries are rejected by Heckbert's criterion, - * and we need not compute their distances to individual cells in the subbox. - * The speed of this approach is heavily influenced by the subbox size: too - * small means too much overhead, too big loses because Heckbert's criterion - * can't eliminate as many colormap entries. Empirically the best subbox - * size seems to be about 1/512th of the histogram (1/8th in each direction). - * - * Thomas' article also describes a refined method which is asymptotically - * faster than the brute-force method, but it is also far more complex and - * cannot efficiently be applied to small subboxes. It is therefore not - * useful for programs intended to be portable to DOS machines. On machines - * with plenty of memory, filling the whole histogram in one shot with Thomas' - * refined method might be faster than the present code --- but then again, - * it might not be any faster, and it's certainly more complicated. - */ - -/* log2(histogram cells in update box) for each axis; this can be adjusted */ -#define BOX_R_LOG (PRECISION_R-3) -#define BOX_G_LOG (PRECISION_G-3) -#define BOX_B_LOG (PRECISION_B-3) - -#define BOX_R_ELEMS (1<actual_number_of_colors; - int maxR, maxG, maxB; - int centerR, centerG, centerB; - int i, x, ncolors; - int minmaxdist, min_dist = 0, max_dist, tdist; - int mindist[MAXNUMCOLORS]; /* min distance to colormap entry i */ - int pixel; - int r; - int g; - int b; - - /* Compute TRUE coordinates of update box's upper corner and center. - * Actually we compute the coordinates of the center of the upper-corner - * histogram cell, which are the upper bounds of the volume we care about. - * Note that since ">>" rounds down, the "center" values may be closer to - * min than to max; hence comparisons to them must be "<=", not "<". - */ - maxR = minR + ((1 << BOX_R_SHIFT) - (1 << R_SHIFT)); - centerR = (minR + maxR) >> 1; - maxG = minG + ((1 << BOX_G_SHIFT) - (1 << G_SHIFT)); - centerG = (minG + maxG) >> 1; - maxB = minB + ((1 << BOX_B_SHIFT) - (1 << B_SHIFT)); - centerB = (minB + maxB) >> 1; - - /* For each color in colormap, find: - * 1. its minimum squared-distance to any point in the update box - * (zero if color is within update box); - * 2. its maximum squared-distance to any point in the update box. - * Both of these can be found by considering only the corners of the box. - * We save the minimum distance for each color in mindist[]; - * only the smallest maximum distance is of interest. - */ - minmaxdist = 0x7FFFFFFFL; - - for (i = 0; i < numcolors; i++) - { - /* We compute the squared-R-distance term, then add in the other two. */ - pixel = quantobj->cmap[i]; - r = color_get_red (pixel); - g = color_get_green (pixel); - b = color_get_blue (pixel); - x = r; - if (x < minR) - { - tdist = (x - minR) R_SCALE; - min_dist = tdist * tdist; - tdist = (x - maxR) R_SCALE; - max_dist = tdist * tdist; - } - else if (x > maxR) - { - tdist = (x - maxR) R_SCALE; - min_dist = tdist * tdist; - tdist = (x - minR) R_SCALE; - max_dist = tdist * tdist; - } - else - { - /* within cell range so no contribution to min_dist */ - min_dist = 0; - if (x <= centerR) - { - tdist = (x - maxR) R_SCALE; - max_dist = tdist * tdist; - } - else - { - tdist = (x - minR) R_SCALE; - max_dist = tdist * tdist; - } - } - - x = g; - if (x < minG) - { - tdist = (x - minG) G_SCALE; - min_dist += tdist * tdist; - tdist = (x - maxG) G_SCALE; - max_dist += tdist * tdist; - } - else if (x > maxG) - { - tdist = (x - maxG) G_SCALE; - min_dist += tdist * tdist; - tdist = (x - minG) G_SCALE; - max_dist += tdist * tdist; - } - else - { - /* within cell range so no contribution to min_dist */ - if (x <= centerG) - { - tdist = (x - maxG) G_SCALE; - max_dist += tdist * tdist; - } - else - { - tdist = (x - minG) G_SCALE; - max_dist += tdist * tdist; - } - } - - x = b; - if (x < minB) - { - tdist = (x - minB) B_SCALE; - min_dist += tdist * tdist; - tdist = (x - maxB) B_SCALE; - max_dist += tdist * tdist; - } - else if (x > maxB) - { - tdist = (x - maxB) B_SCALE; - min_dist += tdist * tdist; - tdist = (x - minB) B_SCALE; - max_dist += tdist * tdist; - } - else - { - /* within cell range so no contribution to min_dist */ - if (x <= centerB) - { - tdist = (x - maxB) B_SCALE; - max_dist += tdist * tdist; - } - else - { - tdist = (x - minB) B_SCALE; - max_dist += tdist * tdist; - } - } - - mindist[i] = min_dist; /* save away the results */ - if (max_dist < minmaxdist) - minmaxdist = max_dist; - } - - /* Now we know that no cell in the update box is more than minmaxdist - * away from some colormap entry. Therefore, only colors that are - * within minmaxdist of some part of the box need be considered. - */ - ncolors = 0; - for (i = 0; i < numcolors; i++) - { - if (mindist[i] <= minmaxdist) - colorlist[ncolors++] = i; - } - return ncolors; -} - - -static void -find_best_colors (QuantizeObj * quantobj, int minR, int minG, - int minB, int numcolors, int *colorlist, int *bestcolor) -/* Find the closest colormap entry for each cell in the update box, - given the list of candidate colors prepared by find_nearby_colors. - Return the indexes of the closest entries in the bestcolor[] array. - This routine uses Thomas' incremental distance calculation method to - find the distance from a colormap entry to successive cells in the box. - */ -{ - int iR, iG, iB; - int i, icolor; - int *bptr; /* pointer into bestdist[] array */ - int *cptr; /* pointer into bestcolor[] array */ - int dist0, dist1; /* initial distance values */ - int dist2; /* current distance in inner loop */ - int xx0, xx1; /* distance increments */ - int xx2; - int inR, inG, inB; /* initial values for increments */ - int pixel; - int r; - int g; - int b; - - /* This array holds the distance to the nearest-so-far color for each cell */ - int bestdist[BOX_R_ELEMS * BOX_G_ELEMS * BOX_B_ELEMS]; - - /* Initialize best-distance for each cell of the update box */ - bptr = bestdist; - for (i = BOX_R_ELEMS * BOX_G_ELEMS * BOX_B_ELEMS - 1; i >= 0; i--) - *bptr++ = 0x7FFFFFFFL; - - /* For each color selected by find_nearby_colors, - * compute its distance to the center of each cell in the box. - * If that's less than best-so-far, update best distance and color number. - */ - - /* Nominal steps between cell centers ("x" in Thomas article) */ -#define STEP_R ((1 << R_SHIFT) R_SCALE) -#define STEP_G ((1 << G_SHIFT) G_SCALE) -#define STEP_B ((1 << B_SHIFT) B_SCALE) - - for (i = 0; i < numcolors; i++) - { - icolor = colorlist[i]; - /* Compute (square of) distance from minR/G/B to this color */ - pixel = quantobj->cmap[icolor]; - r = color_get_red (pixel); - g = color_get_green (pixel); - b = color_get_blue (pixel); - inR = (minR - r) R_SCALE; - dist0 = inR * inR; - inG = (minG - g) G_SCALE; - dist0 += inG * inG; - inB = (minB - b) B_SCALE; - dist0 += inB * inB; - /* Form the initial difference increments */ - inR = inR * (2 * STEP_R) + STEP_R * STEP_R; - inG = inG * (2 * STEP_G) + STEP_G * STEP_G; - inB = inB * (2 * STEP_B) + STEP_B * STEP_B; - /* Now loop over all cells in box, updating distance per Thomas method */ - bptr = bestdist; - cptr = bestcolor; - xx0 = inR; - for (iR = BOX_R_ELEMS - 1; iR >= 0; iR--) - { - dist1 = dist0; - xx1 = inG; - for (iG = BOX_G_ELEMS - 1; iG >= 0; iG--) - { - dist2 = dist1; - xx2 = inB; - for (iB = BOX_B_ELEMS - 1; iB >= 0; iB--) - { - if (dist2 < *bptr) - { - *bptr = dist2; - *cptr = icolor; - } - dist2 += xx2; - xx2 += 2 * STEP_B * STEP_B; - bptr++; - cptr++; - } - dist1 += xx1; - xx1 += 2 * STEP_G * STEP_G; - } - dist0 += xx0; - xx0 += 2 * STEP_R * STEP_R; - } - } -} - -static void -fill_inverse_cmap_rgb (QuantizeObj * quantobj, Histogram histogram, - int R, int G, int B) -/* Fill the inverse-colormap entries in the update box that contains - histogram cell R/G/B. (Only that one cell MUST be filled, but - we can fill as many others as we wish.) */ -{ - int minR, minG, minB; /* lower left corner of update box */ - int iR, iG, iB; - int *cptr; /* pointer into bestcolor[] array */ - ColorFreq *cachep; /* pointer into main cache array */ - /* This array lists the candidate colormap indexes. */ - int colorlist[MAXNUMCOLORS]; - int numcolors; /* number of candidate colors */ - /* This array holds the actually closest colormap index for each cell. */ - int bestcolor[BOX_R_ELEMS * BOX_G_ELEMS * BOX_B_ELEMS]; - - /* Convert cell coordinates to update box ID */ - R >>= BOX_R_LOG; - G >>= BOX_G_LOG; - B >>= BOX_B_LOG; - - /* Compute TRUE coordinates of update box's origin corner. - * Actually we compute the coordinates of the center of the corner - * histogram cell, which are the lower bounds of the volume we care about. - */ - minR = (R << BOX_R_SHIFT) + ((1 << R_SHIFT) >> 1); - minG = (G << BOX_G_SHIFT) + ((1 << G_SHIFT) >> 1); - minB = (B << BOX_B_SHIFT) + ((1 << B_SHIFT) >> 1); - - /* Determine which colormap entries are close enough to be candidates - * for the nearest entry to some cell in the update box. - */ - numcolors = find_nearby_colors (quantobj, minR, minG, minB, colorlist); - - /* Determine the actually nearest colors. */ - find_best_colors (quantobj, minR, minG, minB, numcolors, colorlist, - bestcolor); - - /* Save the best color numbers (plus 1) in the main cache array */ - R <<= BOX_R_LOG; /* convert ID back to base cell indexes */ - G <<= BOX_G_LOG; - B <<= BOX_B_LOG; - cptr = bestcolor; - for (iR = 0; iR < BOX_R_ELEMS; iR++) - { - for (iG = 0; iG < BOX_G_ELEMS; iG++) - { - cachep = &histogram[(R + iR) * MR + (G + iG) * MG + B]; - for (iB = 0; iB < BOX_B_ELEMS; iB++) - { - *cachep++ = (*cptr++) + 1; - } - } - } -} - -/* This is pass 1 */ -static void -median_cut_pass1_rgb (QuantizeObj * quantobj, gGraphImagePtr image) -{ - generate_histogram_rgb (quantobj->histogram, image); - select_colors_rgb (quantobj, quantobj->histogram); -} - - -/* Map some rows of pixels to the output colormapped representation. */ -static void -median_cut_pass2_rgb (QuantizeObj * quantobj, gGraphImagePtr img, - void *palette_pixels) - /* This version performs no dithering */ -{ - Histogram histogram = quantobj->histogram; - ColorFreq *cachep; - int R, G, B; - int origR, origG, origB; - int row, col; - int width = img->width; - int height = img->height; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char *p_in; - unsigned char *p_out; - - zero_histogram_rgb (histogram); - - for (row = 0; row < height; row++) - { - p_in = img->pixels + (row * img->scanline_width); - p_out = palette_pixels; - p_out += (row * width); - for (col = 0; col < width; col++) - { - /* get pixel value and index into the cache */ - if (img->pixel_format == GG_PIXEL_RGB) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - red = *p_in++; - green = *p_in++; - blue = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping alpha */ - red = *p_in++; - green = *p_in++; - blue = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - blue = *p_in++; - green = *p_in++; - red = *p_in++; - p_in++; /* skipping alpha */ - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - red = *p_in++; - green = red; - blue = red; - } - else if (img->pixel_format == GG_PIXEL_PALETTE) - { - int index = *p_in++; - red = img->palette_red[index]; - green = img->palette_green[index]; - blue = img->palette_blue[index]; - } - origR = red; - origG = green; - origB = blue; - - /* get pixel value and index into the cache */ - R = origR >> R_SHIFT; - G = origG >> G_SHIFT; - B = origB >> B_SHIFT; - cachep = &histogram[R * MR + G * MG + B]; - /* If we have not seen this color before, find nearest - colormap entry and update the cache */ - if (*cachep == 0) - { - fill_inverse_cmap_rgb (quantobj, histogram, R, G, B); - } - /* Now emit the colormap index for this cell */ - *p_out++ = *cachep - 1; - } - } -} - -static QuantizeObj * -initialize_median_cut (int num_colors) -{ - QuantizeObj *quantobj; - - /* Initialize the data structures */ - quantobj = malloc (sizeof (QuantizeObj)); - if (!quantobj) - return NULL; - - quantobj->histogram = malloc (sizeof (ColorFreq) * - HIST_R_ELEMS * HIST_G_ELEMS * HIST_B_ELEMS); - if (quantobj->histogram == NULL) - { - free (quantobj); - return NULL; - } - quantobj->desired_number_of_colors = num_colors; - quantobj->max_cmap = 0; - - return quantobj; -} - -static void -quantize_object_free (QuantizeObj * quantobj) -{ - free (quantobj->histogram); - free (quantobj); -} - -GGRAPH_PRIVATE int -gg_image_resample_as_palette (const gGraphImagePtr img, int num_colors) -{ -/* applies quantization to the current image, so to get 256/16/4 colors */ - QuantizeObj *quantobj; - void *palette_pixels; - int i; - int safe_num_colors; - - if (num_colors > 16) - safe_num_colors = 256; /* 8 bits_per_sample */ - else if (num_colors > 4) - safe_num_colors = 16; /* 4 bits per sample */ - else - safe_num_colors = 4; /* 2 bits per sample */ - - if (img->pixel_format == GG_PIXEL_GRAYSCALE && safe_num_colors == 256) - { - /* useless operation: there are already 256 colors */ - return GGRAPH_OK; - } - if (img->pixel_format == GG_PIXEL_PALETTE - && img->max_palette <= safe_num_colors) - { - /* useless operation */ - return GGRAPH_OK; - } - - palette_pixels = malloc (img->width * img->height); - if (!palette_pixels) - return GGRAPH_INSUFFICIENT_MEMORY; - - quantobj = initialize_median_cut (safe_num_colors); - if (!quantobj) - return GGRAPH_INSUFFICIENT_MEMORY; - - median_cut_pass1_rgb (quantobj, img); - median_cut_pass2_rgb (quantobj, img, palette_pixels); - -/* setting up the palette */ - for (i = 0; i < quantobj->max_cmap; i++) - { - img->palette_red[i] = color_get_red (quantobj->cmap[i]); - img->palette_green[i] = color_get_green (quantobj->cmap[i]); - img->palette_blue[i] = color_get_blue (quantobj->cmap[i]); - img->max_palette = i + 1; - } - - quantize_object_free (quantobj); - - free (img->pixels); - img->pixels = palette_pixels; - img->pixel_format = GG_PIXEL_PALETTE; - img->scanline_width = img->width; - img->pixel_size = 1; - return GGRAPH_OK; -} DELETED src/gaiagraphics_svg.c Index: src/gaiagraphics_svg.c ================================================================== --- src/gaiagraphics_svg.c +++ src/gaiagraphics_svg.c @@ -1,2037 +0,0 @@ -/* -/ gaiagraphics_svg.c -/ -/ SVG renderering -/ -/ version 1.0, 2013 February 10 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2013 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include -#include - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -#define GG_SVG_PI 3.141592653589793 - -struct gg_svg_parent_ref -{ -/* a parent reference (inheritance chain) */ - struct gg_svg_group *parent; - struct gg_svg_parent_ref *next; -}; - -struct gg_svg_parents -{ -/* inheritance chain */ - struct gg_svg_parent_ref *first; - struct gg_svg_parent_ref *last; -}; - -static void -gg_svg_free_parents (struct gg_svg_parents *chain) -{ -/* freeing an inheritance chain */ - struct gg_svg_parent_ref *pp; - struct gg_svg_parent_ref *ppn; - pp = chain->first; - while (pp) - { - ppn = pp->next; - free (pp); - pp = ppn; - } -} - -static void -gg_svg_add_parent (struct gg_svg_parents *chain, struct gg_svg_group *parent) -{ -/* adding an inheritance item into the chain */ - struct gg_svg_parent_ref *p = malloc (sizeof (struct gg_svg_parent_ref)); - p->parent = parent; - p->next = chain->first; -/* updating a reverse-ordered linked list */ - if (chain->last == NULL) - chain->last = p; - chain->first = p; -} - -static void -gg_svg_gradient_transformation (cairo_pattern_t * pattern, - struct gg_svg_transform *trans) -{ -/* applying a single transformation */ - double angle; - double tangent; - struct gg_svg_matrix *mtrx; - struct gg_svg_translate *translate; - struct gg_svg_scale *scale; - struct gg_svg_rotate *rotate; - struct gg_svg_skew *skew; - cairo_matrix_t matrix; - cairo_matrix_t matrix_in; - - if (trans->data == NULL) - return; - switch (trans->type) - { - case GG_SVG_MATRIX: - mtrx = trans->data; - cairo_pattern_get_matrix (pattern, &matrix); - matrix_in.xx = mtrx->a; - matrix_in.yx = mtrx->b; - matrix_in.xy = mtrx->c; - matrix_in.yy = mtrx->d; - matrix_in.x0 = mtrx->e; - matrix_in.y0 = mtrx->f; - cairo_matrix_multiply (&matrix, &matrix, &matrix_in); - cairo_matrix_invert (&matrix); - cairo_pattern_set_matrix (pattern, &matrix); - break; - case GG_SVG_TRANSLATE: - translate = trans->data; - cairo_pattern_get_matrix (pattern, &matrix); - cairo_matrix_translate (&matrix, translate->tx, translate->ty); - cairo_matrix_invert (&matrix); - cairo_pattern_set_matrix (pattern, &matrix); - break; - case GG_SVG_SCALE: - scale = trans->data; - cairo_pattern_get_matrix (pattern, &matrix); - cairo_matrix_scale (&matrix, scale->sx, scale->sy); - cairo_matrix_invert (&matrix); - cairo_pattern_set_matrix (pattern, &matrix); - break; - case GG_SVG_ROTATE: - rotate = trans->data; - cairo_pattern_get_matrix (pattern, &matrix); - angle = rotate->angle * (GG_SVG_PI / 180.0); - cairo_matrix_translate (&matrix, rotate->cx, rotate->cy); - cairo_matrix_rotate (&matrix, angle); - cairo_matrix_translate (&matrix, -1.0 * rotate->cx, - -1.0 * rotate->cy); - cairo_matrix_invert (&matrix); - cairo_pattern_set_matrix (pattern, &matrix); - break; - case GG_SVG_SKEW_X: - skew = trans->data; - cairo_pattern_get_matrix (pattern, &matrix); - angle = skew->angle * (GG_SVG_PI / 180.0); - tangent = tan (angle); - matrix_in.xx = 1.0; - matrix_in.yx = 0.0; - matrix_in.xy = tangent; - matrix_in.yy = 1.0; - matrix_in.x0 = 0.0; - matrix_in.y0 = 0.0; - cairo_matrix_multiply (&matrix, &matrix_in, &matrix); - cairo_matrix_invert (&matrix); - cairo_pattern_set_matrix (pattern, &matrix); - break; - case GG_SVG_SKEW_Y: - skew = trans->data; - cairo_pattern_get_matrix (pattern, &matrix); - angle = skew->angle * (GG_SVG_PI / 180.0); - tangent = tan (angle); - matrix_in.xx = 1.0; - matrix_in.yx = tangent; - matrix_in.xy = 0.0; - matrix_in.yy = 1.0; - matrix_in.x0 = 0.0; - matrix_in.y0 = 0.0; - cairo_matrix_multiply (&matrix, &matrix_in, &matrix); - cairo_matrix_invert (&matrix); - cairo_pattern_set_matrix (pattern, &matrix); - break; - }; -} - -static void -gg_svg_apply_gradient_transformations (cairo_pattern_t * pattern, - struct gg_svg_gradient *grad) -{ -/* applying all Gradient-related transformations */ - struct gg_svg_transform *trans = grad->first_trans; - while (trans) - { - gg_svg_gradient_transformation (pattern, trans); - trans = trans->next; - } -} - -static void -gg_svg_set_pen (cairo_t * cairo, struct gg_svg_style *style) -{ -/* setting up a Pen for Cairo */ - cairo_pattern_t *pattern; - double lengths[4]; - lengths[0] = 1.0; - cairo_set_line_width (cairo, style->stroke_width); - if (style->stroke_url != NULL && style->stroke_pointer != NULL) - { - struct gg_svg_gradient *grad = style->stroke_pointer; - struct gg_svg_gradient_stop *stop; - if (grad->type == GG_SVG_LINEAR_GRADIENT) - { - pattern = - cairo_pattern_create_linear (grad->x1, grad->y1, grad->x2, - grad->y2); - gg_svg_apply_gradient_transformations (pattern, grad); - stop = grad->first_stop; - while (stop) - { - cairo_pattern_add_color_stop_rgba (pattern, stop->offset, - stop->red, stop->green, - stop->blue, - stop->opacity * - style->opacity); - stop = stop->next; - } - cairo_set_source (cairo, pattern); - cairo_set_line_cap (cairo, style->stroke_linecap); - cairo_set_line_join (cairo, style->stroke_linejoin); - cairo_set_miter_limit (cairo, style->stroke_miterlimit); - if (style->stroke_dashitems == 0 - || style->stroke_dasharray == NULL) - cairo_set_dash (cairo, lengths, 0, 0.0); - else - cairo_set_dash (cairo, style->stroke_dasharray, - style->stroke_dashitems, - style->stroke_dashoffset); - cairo_pattern_destroy (pattern); - return; - } - else if (grad->type == GG_SVG_RADIAL_GRADIENT) - { - pattern = - cairo_pattern_create_radial (grad->cx, grad->cy, 0.0, - grad->fx, grad->fy, grad->r); - gg_svg_apply_gradient_transformations (pattern, grad); - stop = grad->first_stop; - while (stop) - { - cairo_pattern_add_color_stop_rgba (pattern, stop->offset, - stop->red, stop->green, - stop->blue, - stop->opacity * - style->opacity); - stop = stop->next; - } - cairo_set_source (cairo, pattern); - cairo_set_line_cap (cairo, style->stroke_linecap); - cairo_set_line_join (cairo, style->stroke_linejoin); - cairo_set_miter_limit (cairo, style->stroke_miterlimit); - if (style->stroke_dashitems == 0 - || style->stroke_dasharray == NULL) - cairo_set_dash (cairo, lengths, 0, 0.0); - else - cairo_set_dash (cairo, style->stroke_dasharray, - style->stroke_dashitems, - style->stroke_dashoffset); - cairo_pattern_destroy (pattern); - return; - } - } - cairo_set_source_rgba (cairo, style->stroke_red, style->stroke_green, - style->stroke_blue, - style->stroke_opacity * style->opacity); - cairo_set_line_cap (cairo, style->stroke_linecap); - cairo_set_line_join (cairo, style->stroke_linejoin); - cairo_set_miter_limit (cairo, style->stroke_miterlimit); - if (style->stroke_dashitems == 0 || style->stroke_dasharray == NULL) - cairo_set_dash (cairo, lengths, 0, 0.0); - else - cairo_set_dash (cairo, style->stroke_dasharray, style->stroke_dashitems, - style->stroke_dashoffset); -} - -static void -gg_svg_set_brush (cairo_t * cairo, struct gg_svg_style *style) -{ -/* setting up a Brush for Cairo */ - cairo_pattern_t *pattern; - if (style->fill_url != NULL && style->fill_pointer != NULL) - { - struct gg_svg_gradient *grad = style->fill_pointer; - struct gg_svg_gradient_stop *stop; - if (grad->type == GG_SVG_LINEAR_GRADIENT) - { - pattern = - cairo_pattern_create_linear (grad->x1, grad->y1, grad->x2, - grad->y2); - gg_svg_apply_gradient_transformations (pattern, grad); - stop = grad->first_stop; - while (stop) - { - cairo_pattern_add_color_stop_rgba (pattern, stop->offset, - stop->red, stop->green, - stop->blue, - stop->opacity * - style->opacity); - stop = stop->next; - } - cairo_set_source (cairo, pattern); - cairo_pattern_destroy (pattern); - return; - } - else if (grad->type == GG_SVG_RADIAL_GRADIENT) - { - pattern = - cairo_pattern_create_radial (grad->cx, grad->cy, 0.0, - grad->fx, grad->fy, grad->r); - gg_svg_apply_gradient_transformations (pattern, grad); - stop = grad->first_stop; - while (stop) - { - cairo_pattern_add_color_stop_rgba (pattern, stop->offset, - stop->red, stop->green, - stop->blue, - stop->opacity * - style->opacity); - stop = stop->next; - } - cairo_set_source (cairo, pattern); - cairo_pattern_destroy (pattern); - return; - } - } - - cairo_set_source_rgba (cairo, style->fill_red, style->fill_green, - style->fill_blue, - style->fill_opacity * style->opacity); - cairo_set_fill_rule (cairo, style->fill_rule); -} - -static void -gg_svg_draw_rect (cairo_t * cairo, struct gg_svg_shape *shape, - struct gg_svg_style *style) -{ -/* drawing an SVG Rect */ - struct gg_svg_rect *rect = shape->data; - if (rect->width == 0 || rect->height == 0) - return; - if (style->visibility == 0) - return; - if (style->fill == 0 && style->stroke == 0) - return; - - if (rect->rx <= 0 || rect->ry <= 0) - { - /* normal Rect */ - cairo_rectangle (cairo, rect->x, rect->y, rect->width, rect->height); - } - else - { - /* rounded Rect */ - cairo_new_sub_path (cairo); - cairo_save (cairo); - cairo_translate (cairo, rect->x + rect->rx, rect->y + rect->ry); - cairo_scale (cairo, rect->rx, rect->ry); - cairo_arc (cairo, 0.0, 0.0, 1.0, GG_SVG_PI, -1 * GG_SVG_PI / 2.0); - cairo_restore (cairo); - cairo_save (cairo); - cairo_translate (cairo, rect->x + rect->width - rect->rx, - rect->y + rect->ry); - cairo_scale (cairo, rect->rx, rect->ry); - cairo_arc (cairo, 0.0, 0.0, 1.0, -1 * GG_SVG_PI / 2.0, 0.0); - cairo_restore (cairo); - cairo_save (cairo); - cairo_translate (cairo, rect->x + rect->width - rect->rx, - rect->y + rect->height - rect->ry); - cairo_scale (cairo, rect->rx, rect->ry); - cairo_arc (cairo, 0.0, 0.0, 1.0, 0.0, GG_SVG_PI / 2.0); - cairo_restore (cairo); - cairo_save (cairo); - cairo_translate (cairo, rect->x + rect->rx, - rect->y + rect->height - rect->ry); - cairo_scale (cairo, rect->rx, rect->ry); - cairo_arc (cairo, 0.0, 0.0, 1.0, GG_SVG_PI / 2.0, GG_SVG_PI); - cairo_restore (cairo); - cairo_close_path (cairo); - } - -/* drawing the Rect */ - if (style->fill) - { - /* filling */ - gg_svg_set_brush (cairo, style); - if (style->stroke) - cairo_fill_preserve (cairo); - else - cairo_fill (cairo); - } - if (style->stroke) - { - /* stroking */ - gg_svg_set_pen (cairo, style); - cairo_stroke (cairo); - } -} - -static void -gg_svg_clip_rect (cairo_t * cairo, struct gg_svg_shape *shape) -{ -/* clipping an SVG Rect */ - struct gg_svg_rect *rect = shape->data; - if (rect->width == 0 || rect->height == 0) - return; - - if (rect->rx <= 0 || rect->ry <= 0) - { - /* normal Rect */ - cairo_rectangle (cairo, rect->x, rect->y, rect->width, rect->height); - } - else - { - /* rounded Rect */ - cairo_new_sub_path (cairo); - cairo_save (cairo); - cairo_translate (cairo, rect->x + rect->rx, rect->y + rect->ry); - cairo_scale (cairo, rect->rx, rect->ry); - cairo_arc (cairo, 0.0, 0.0, 1.0, GG_SVG_PI, -1 * GG_SVG_PI / 2.0); - cairo_restore (cairo); - cairo_save (cairo); - cairo_translate (cairo, rect->x + rect->width - rect->rx, - rect->y + rect->ry); - cairo_scale (cairo, rect->rx, rect->ry); - cairo_arc (cairo, 0.0, 0.0, 1.0, -1 * GG_SVG_PI / 2.0, 0.0); - cairo_restore (cairo); - cairo_save (cairo); - cairo_translate (cairo, rect->x + rect->width - rect->rx, - rect->y + rect->height - rect->ry); - cairo_scale (cairo, rect->rx, rect->ry); - cairo_arc (cairo, 0.0, 0.0, 1.0, 0.0, GG_SVG_PI / 2.0); - cairo_restore (cairo); - cairo_save (cairo); - cairo_translate (cairo, rect->x + rect->rx, - rect->y + rect->height - rect->ry); - cairo_scale (cairo, rect->rx, rect->ry); - cairo_arc (cairo, 0.0, 0.0, 1.0, GG_SVG_PI / 2.0, GG_SVG_PI); - cairo_restore (cairo); - cairo_close_path (cairo); - } - cairo_clip (cairo); -} - -static void -gg_svg_draw_circle (cairo_t * cairo, struct gg_svg_shape *shape, - struct gg_svg_style *style) -{ -/* drawing an SVG Circle */ - struct gg_svg_circle *circle = shape->data; - if (circle->r <= 0) - return; - if (style->visibility == 0) - return; - if (style->fill == 0 && style->stroke == 0) - return; - -/* drawing the Arc */ - cairo_arc (cairo, circle->cx, circle->cy, circle->r, 0.0, 2.0 * GG_SVG_PI); - if (style->fill) - { - /* filling */ - gg_svg_set_brush (cairo, style); - if (style->stroke) - cairo_fill_preserve (cairo); - else - cairo_fill (cairo); - } - if (style->stroke) - { - /* stroking */ - gg_svg_set_pen (cairo, style); - cairo_stroke (cairo); - } -} - -static void -gg_svg_clip_circle (cairo_t * cairo, struct gg_svg_shape *shape) -{ -/* clipping an SVG Circle */ - struct gg_svg_circle *circle = shape->data; - if (circle->r <= 0) - return; - -/* clipping the Arc */ - cairo_arc (cairo, circle->cx, circle->cy, circle->r, 0.0, 2.0 * GG_SVG_PI); - cairo_clip (cairo); -} - -static void -gg_svg_draw_ellipse (cairo_t * cairo, struct gg_svg_shape *shape, - struct gg_svg_style *style) -{ -/* drawing an SVG Ellipse */ - struct gg_svg_ellipse *ellipse = shape->data; - if (ellipse->rx <= 0 || ellipse->ry <= 0) - return; - if (style->visibility == 0) - return; - if (style->fill == 0 && style->stroke == 0) - return; - -/* drawing the Ellipse */ - cairo_save (cairo); - - cairo_translate (cairo, ellipse->cx + ellipse->rx / 2.0, - ellipse->cy + ellipse->ry / 2.0); - cairo_scale (cairo, ellipse->rx / 2.0, ellipse->ry / 2.0); - cairo_arc (cairo, 0.0, 0.0, 2.0, 0.0, 2.0 * GG_SVG_PI); - cairo_restore (cairo); - if (style->fill) - { - /* filling */ - gg_svg_set_brush (cairo, style); - if (style->stroke) - cairo_fill_preserve (cairo); - else - cairo_fill (cairo); - } - if (style->stroke) - { - /* stroking */ - gg_svg_set_pen (cairo, style); - cairo_stroke (cairo); - } -} - -static void -gg_svg_clip_ellipse (cairo_t * cairo, struct gg_svg_shape *shape) -{ -/* clipping an SVG Ellipse */ - struct gg_svg_ellipse *ellipse = shape->data; - if (ellipse->rx <= 0 || ellipse->ry <= 0) - return; - -/* clipping the Ellipse */ - cairo_save (cairo); - - cairo_translate (cairo, ellipse->cx + ellipse->rx / 2.0, - ellipse->cy + ellipse->ry / 2.0); - cairo_scale (cairo, ellipse->rx / 2.0, ellipse->ry / 2.0); - cairo_arc (cairo, 0.0, 0.0, 2.0, 0.0, 2.0 * GG_SVG_PI); - cairo_restore (cairo); - cairo_clip (cairo); -} - -static void -gg_svg_draw_line (cairo_t * cairo, struct gg_svg_shape *shape, - struct gg_svg_style *style) -{ -/* drawing an SVG Line */ - struct gg_svg_line *line = shape->data; - if (style->visibility == 0) - return; - if (style->fill == 0 && style->stroke == 0) - return; - -/* drawing the Line */ - cairo_move_to (cairo, line->x1, line->y1); - cairo_line_to (cairo, line->x2, line->y2); - if (style->fill) - { - /* filling */ - gg_svg_set_brush (cairo, style); - cairo_fill (cairo); - } - if (style->stroke) - { - /* stroking */ - gg_svg_set_pen (cairo, style); - cairo_stroke (cairo); - } -} - -static void -gg_svg_clip_line (cairo_t * cairo, struct gg_svg_shape *shape) -{ -/* clipping an SVG Line */ - struct gg_svg_line *line = shape->data; - -/* clipping the Line */ - cairo_move_to (cairo, line->x1, line->y1); - cairo_line_to (cairo, line->x2, line->y2); - cairo_clip (cairo); -} - -static void -gg_svg_draw_polyline (cairo_t * cairo, struct gg_svg_shape *shape, - struct gg_svg_style *style) -{ -/* drawing an SVG Polyline */ - int iv; - struct gg_svg_polyline *poly = shape->data; - if (poly->points <= 0 || poly->x == NULL || poly->y == NULL) - return; - if (style->visibility == 0) - return; - if (style->fill == 0 && style->stroke == 0) - return; - -/* drawing the Polyline */ - for (iv = 0; iv < poly->points; iv++) - { - if (iv == 0) - cairo_move_to (cairo, *(poly->x + iv), *(poly->y + iv)); - else - cairo_line_to (cairo, *(poly->x + iv), *(poly->y + iv)); - } - if (style->fill) - { - /* filling */ - gg_svg_set_brush (cairo, style); - if (style->stroke) - cairo_fill_preserve (cairo); - else - cairo_fill (cairo); - } - if (style->stroke) - { - /* stroking */ - gg_svg_set_pen (cairo, style); - cairo_stroke (cairo); - } -} - -static void -gg_svg_clip_polyline (cairo_t * cairo, struct gg_svg_shape *shape) -{ -/* clipping an SVG Polyline */ - int iv; - struct gg_svg_polyline *poly = shape->data; - if (poly->points <= 0 || poly->x == NULL || poly->y == NULL) - return; - -/* clipping the Polyline */ - for (iv = 0; iv < poly->points; iv++) - { - if (iv == 0) - cairo_move_to (cairo, *(poly->x + iv), *(poly->y + iv)); - else - cairo_line_to (cairo, *(poly->x + iv), *(poly->y + iv)); - } - cairo_clip (cairo); -} - -static void -gg_svg_draw_polygon (cairo_t * cairo, struct gg_svg_shape *shape, - struct gg_svg_style *style) -{ -/* drawing an SVG Polygon */ - int iv; - struct gg_svg_polygon *poly = shape->data; - if (poly->points <= 0 || poly->x == NULL || poly->y == NULL) - return; - if (style->visibility == 0) - return; - if (style->fill == 0 && style->stroke == 0) - return; - -/* drawing the Polygon */ - for (iv = 0; iv < poly->points; iv++) - { - if (iv == 0) - cairo_move_to (cairo, *(poly->x + iv), *(poly->y + iv)); - else - cairo_line_to (cairo, *(poly->x + iv), *(poly->y + iv)); - } - cairo_close_path (cairo); - if (style->fill) - { - /* filling */ - gg_svg_set_brush (cairo, style); - if (style->stroke) - cairo_fill_preserve (cairo); - else - cairo_fill (cairo); - } - if (style->stroke) - { - /* stroking */ - gg_svg_set_pen (cairo, style); - cairo_stroke (cairo); - } -} - -static void -gg_svg_clip_polygon (cairo_t * cairo, struct gg_svg_shape *shape) -{ -/* clipping an SVG Polygon */ - int iv; - struct gg_svg_polygon *poly = shape->data; - if (poly->points <= 0 || poly->x == NULL || poly->y == NULL) - return; - -/* clipping the Polygon */ - for (iv = 0; iv < poly->points; iv++) - { - if (iv == 0) - cairo_move_to (cairo, *(poly->x + iv), *(poly->y + iv)); - else - cairo_line_to (cairo, *(poly->x + iv), *(poly->y + iv)); - } - cairo_close_path (cairo); - cairo_clip (cairo); -} - -static void -svg_rotate (double x, double y, double angle, double *rx, double *ry) -{ -/* rotate a point of an angle around the origin point */ - *rx = x * cos (angle) - y * sin (angle); - *ry = y * cos (angle) + x * sin (angle); -} - -static double -gg_svg_point_angle (double cx, double cy, double px, double py) -{ -/* return angle between x axis and point knowing given center */ - return atan2 (py - cy, px - cx); -} - -static void -gg_svg_arc_to_cairo (struct gg_svg_path_ellipt_arc *arc, double x1, double y1, - double *xc, double *yc, double *rx, double *rotation, - double *radii_ratio, double *angle1, double *angle2) -{ -/* -/ computing the arguments for CairoArc starting from an SVG Elliptic Arc -/ (simply a C translation of pyCairo Python code) -*/ - double x3; - double y3; - double ry; - double xe; - double ye; - double angle; -/* converting absolute x3 and y3 to relative */ - x3 = arc->x - x1; - y3 = arc->y - y1; - *rx = arc->rx; - ry = arc->ry; - *radii_ratio = ry / *rx; - *rotation = arc->rotation * (GG_SVG_PI / 180.0); -/* cancel the rotation of the second point */ - svg_rotate (x3, y3, *rotation * -1, &xe, &ye); - ye /= *radii_ratio; -/* find the angle between the second point and the x axis */ - angle = gg_svg_point_angle (0.0, 0.0, xe, ye); -/* put the second point onto the x axis */ - xe = sqrt ((xe * xe) + (ye * ye)); - ye = 0.0; -/* update the x radius if it is too small */ - if (*rx < xe / 2.0) - *rx = xe / 2.0; -/* find one circle centre */ - *xc = xe / 2.0; - *yc = sqrt ((*rx * *rx) - (*xc * *xc)); -/* choose between the two circles according to flags */ - if ((arc->large_arc ^ arc->sweep) == 0) - *yc = *yc * -1.0; -/* put the second point and the center back to their positions */ - svg_rotate (xe, ye, angle, &xe, &ye); - svg_rotate (*xc, *yc, angle, xc, yc); -/* find the drawing angles */ - *angle1 = gg_svg_point_angle (*xc, *yc, 0.0, 0.0); - *angle2 = gg_svg_point_angle (*xc, *yc, xe, ye); -} - -static void -gg_svg_draw_path (cairo_t * cairo, struct gg_svg_shape *shape, - struct gg_svg_style *style) -{ -/* drawing an SVG Path */ - struct gg_svg_path_item *item; - struct gg_svg_path *path = shape->data; - struct gg_svg_path_move *move; - struct gg_svg_path_bezier *bezier; - struct gg_svg_path_ellipt_arc *arc; - double x; - double y; - double x0; - double y0; - double radii_ratio; - double xc; - double yc; - double rx; - double rotation; - double angle1; - double angle2; - int is_new_path = 0; - if (path->error) - return; - if (style->visibility == 0) - return; - if (style->fill == 0 && style->stroke == 0) - return; - -/* drawing the Path */ - item = path->first; - while (item) - { - if (is_new_path && item->type != GG_SVG_MOVE_TO) - { - /* implicit MoveTO */ - cairo_get_current_point (cairo, &x, &y); - cairo_move_to (cairo, x, y); - } - is_new_path = 0; - switch (item->type) - { - case GG_SVG_CLOSE_PATH: - cairo_close_path (cairo); - is_new_path = 1; - break; - case GG_SVG_MOVE_TO: - move = item->data; - cairo_move_to (cairo, move->x, move->y); - break; - case GG_SVG_LINE_TO: - move = item->data; - cairo_line_to (cairo, move->x, move->y); - break; - case GG_SVG_CURVE_3: - bezier = item->data; - cairo_curve_to (cairo, bezier->x1, bezier->y1, bezier->x2, - bezier->y2, bezier->x, bezier->y); - break; - case GG_SVG_CURVE_4: - bezier = item->data; - cairo_get_current_point (cairo, &x0, &y0); - cairo_curve_to (cairo, 2.0 / 3.0 * bezier->x1 + 1.0 / 3.0 * x0, - 2.0 / 3.0 * bezier->y1 + 1.0 / 3.0 * y0, - 2.0 / 3.0 * bezier->x1 + 1.0 / 3.0 * bezier->x2, - 2.0 / 3.0 * bezier->y1 + 1.0 / 3.0 * bezier->y2, - bezier->y1, bezier->y2); - break; - case GG_SVG_ELLIPT_ARC: - arc = item->data; - cairo_get_current_point (cairo, &x0, &y0); - gg_svg_arc_to_cairo (arc, x0, y0, &xc, &yc, &rx, &rotation, - &radii_ratio, &angle1, &angle2); - cairo_save (cairo); - cairo_translate (cairo, x0, y0); - cairo_rotate (cairo, rotation); - cairo_scale (cairo, 1.0, radii_ratio); - if (arc->sweep == 0) - cairo_arc_negative (cairo, xc, yc, rx, angle1, angle2); - else - cairo_arc (cairo, xc, yc, rx, angle1, angle2); - cairo_restore (cairo); - break; - }; - item = item->next; - } - if (style->fill) - { - /* filling */ - gg_svg_set_brush (cairo, style); - if (style->stroke) - cairo_fill_preserve (cairo); - else - cairo_fill (cairo); - } - if (style->stroke) - { - /* stroking */ - gg_svg_set_pen (cairo, style); - cairo_stroke (cairo); - } -} - -static void -gg_svg_clip_path (cairo_t * cairo, struct gg_svg_shape *shape) -{ -/* clipping an SVG Path */ - struct gg_svg_path_item *item; - struct gg_svg_path *path = shape->data; - struct gg_svg_path_move *move; - struct gg_svg_path_bezier *bezier; - struct gg_svg_path_ellipt_arc *arc; - double x; - double y; - double x0; - double y0; - double radii_ratio; - double xc; - double yc; - double rx; - double rotation; - double angle1; - double angle2; - int is_new_path = 0; - if (path->error) - return; -/* clipping the Path */ - item = path->first; - while (item) - { - if (is_new_path && item->type != GG_SVG_MOVE_TO) - { - /* implicit MoveTO */ - cairo_get_current_point (cairo, &x, &y); - cairo_move_to (cairo, x, y); - } - is_new_path = 0; - switch (item->type) - { - case GG_SVG_CLOSE_PATH: - cairo_close_path (cairo); - is_new_path = 1; - break; - case GG_SVG_MOVE_TO: - move = item->data; - cairo_move_to (cairo, move->x, move->y); - break; - case GG_SVG_LINE_TO: - move = item->data; - cairo_line_to (cairo, move->x, move->y); - break; - case GG_SVG_CURVE_3: - bezier = item->data; - cairo_curve_to (cairo, bezier->x1, bezier->y1, bezier->x2, - bezier->y2, bezier->x, bezier->y); - break; - case GG_SVG_CURVE_4: - bezier = item->data; - cairo_get_current_point (cairo, &x0, &y0); - cairo_curve_to (cairo, 2.0 / 3.0 * bezier->x1 + 1.0 / 3.0 * x0, - 2.0 / 3.0 * bezier->y1 + 1.0 / 3.0 * y0, - 2.0 / 3.0 * bezier->x1 + 1.0 / 3.0 * bezier->x2, - 2.0 / 3.0 * bezier->y1 + 1.0 / 3.0 * bezier->y2, - bezier->y1, bezier->y2); - break; - case GG_SVG_ELLIPT_ARC: - arc = item->data; - cairo_get_current_point (cairo, &x0, &y0); - gg_svg_arc_to_cairo (arc, x0, y0, &xc, &yc, &rx, &rotation, - &radii_ratio, &angle1, &angle2); - cairo_save (cairo); - cairo_translate (cairo, x0, y0); - cairo_rotate (cairo, rotation); - cairo_scale (cairo, 1.0, radii_ratio); - if (arc->sweep == 0) - cairo_arc_negative (cairo, xc, yc, rx, angle1, angle2); - else - cairo_arc (cairo, xc, yc, rx, angle1, angle2); - cairo_restore (cairo); - break; - }; - item = item->next; - } - cairo_clip (cairo); -} - -static void -gg_svg_draw_shape (cairo_t * cairo, struct gg_svg_shape *shape, - struct gg_svg_style *style) -{ -/* drawing an SVG Shape */ - if (shape->style.visibility == 0) - return; - switch (shape->type) - { - case GG_SVG_RECT: - gg_svg_draw_rect (cairo, shape, style); - break; - case GG_SVG_CIRCLE: - gg_svg_draw_circle (cairo, shape, style); - break; - case GG_SVG_ELLIPSE: - gg_svg_draw_ellipse (cairo, shape, style); - break; - case GG_SVG_LINE: - gg_svg_draw_line (cairo, shape, style); - break; - case GG_SVG_POLYLINE: - gg_svg_draw_polyline (cairo, shape, style); - break; - case GG_SVG_POLYGON: - gg_svg_draw_polygon (cairo, shape, style); - break; - case GG_SVG_PATH: - gg_svg_draw_path (cairo, shape, style); - break; - }; -} - -static void -gg_svg_transformation (cairo_t * cairo, struct gg_svg_transform *trans) -{ -/* applying a single transformation */ - double angle; - double tangent; - struct gg_svg_matrix *mtrx; - struct gg_svg_translate *translate; - struct gg_svg_scale *scale; - struct gg_svg_rotate *rotate; - struct gg_svg_skew *skew; - cairo_matrix_t matrix; - cairo_matrix_t matrix_in; - - if (trans->data == NULL) - return; - switch (trans->type) - { - case GG_SVG_MATRIX: - mtrx = trans->data; - cairo_get_matrix (cairo, &matrix); - matrix_in.xx = mtrx->a; - matrix_in.yx = mtrx->b; - matrix_in.xy = mtrx->c; - matrix_in.yy = mtrx->d; - matrix_in.x0 = mtrx->e; - matrix_in.y0 = mtrx->f; - cairo_matrix_multiply (&matrix, &matrix_in, &matrix); - cairo_set_matrix (cairo, &matrix); - break; - case GG_SVG_TRANSLATE: - translate = trans->data; - cairo_get_matrix (cairo, &matrix); - cairo_matrix_translate (&matrix, translate->tx, translate->ty); - cairo_set_matrix (cairo, &matrix); - break; - case GG_SVG_SCALE: - scale = trans->data; - cairo_get_matrix (cairo, &matrix); - cairo_matrix_scale (&matrix, scale->sx, scale->sy); - cairo_set_matrix (cairo, &matrix); - break; - case GG_SVG_ROTATE: - rotate = trans->data; - cairo_get_matrix (cairo, &matrix); - angle = rotate->angle * (GG_SVG_PI / 180.0); - cairo_matrix_translate (&matrix, rotate->cx, rotate->cy); - cairo_matrix_rotate (&matrix, angle); - cairo_matrix_translate (&matrix, -1.0 * rotate->cx, - -1.0 * rotate->cy); - cairo_set_matrix (cairo, &matrix); - break; - case GG_SVG_SKEW_X: - skew = trans->data; - cairo_get_matrix (cairo, &matrix); - angle = skew->angle * (GG_SVG_PI / 180.0); - tangent = tan (angle); - matrix_in.xx = 1.0; - matrix_in.yx = 0.0; - matrix_in.xy = tangent; - matrix_in.yy = 1.0; - matrix_in.x0 = 0.0; - matrix_in.y0 = 0.0; - cairo_matrix_multiply (&matrix, &matrix_in, &matrix); - cairo_set_matrix (cairo, &matrix); - break; - case GG_SVG_SKEW_Y: - skew = trans->data; - cairo_get_matrix (cairo, &matrix); - angle = skew->angle * (GG_SVG_PI / 180.0); - tangent = tan (angle); - matrix_in.xx = 1.0; - matrix_in.yx = tangent; - matrix_in.xy = 0.0; - matrix_in.yy = 1.0; - matrix_in.x0 = 0.0; - matrix_in.y0 = 0.0; - cairo_matrix_multiply (&matrix, &matrix_in, &matrix); - cairo_set_matrix (cairo, &matrix); - break; - }; -} - -static void -gg_svg_apply_transformations (cairo_t * cairo, struct gg_svg_document *svg_doc, - struct gg_svg_shape *shape) -{ -/* applying the whole transformations chain (supporting inheritance) */ - struct gg_svg_group *parent; - struct gg_svg_parents chain; - struct gg_svg_parent_ref *ref; - struct gg_svg_group *group; - struct gg_svg_transform *trans; - cairo_matrix_t matrix; - -/* initializing the chain as empty */ - chain.first = NULL; - chain.last = NULL; - - parent = shape->parent; - if (parent != NULL) - { - /* identifying all direct parents in reverse order */ - while (parent) - { - gg_svg_add_parent (&chain, parent); - parent = parent->parent; - } - } - -/* starting from the SVG Document basic transformations */ - matrix.xx = svg_doc->matrix.xx; - matrix.yx = svg_doc->matrix.yx; - matrix.xy = svg_doc->matrix.xy; - matrix.yy = svg_doc->matrix.yy; - matrix.x0 = svg_doc->matrix.x0; - matrix.y0 = svg_doc->matrix.y0; - cairo_set_matrix (cairo, &matrix); - - ref = chain.first; - while (ref) - { - /* chaining all transformations inherited by ancestors */ - group = ref->parent; - if (group != NULL) - { - trans = group->first_trans; - while (trans) - { - gg_svg_transformation (cairo, trans); - trans = trans->next; - } - } - ref = ref->next; - } - -/* applying Shape specific transformations */ - trans = shape->first_trans; - while (trans) - { - gg_svg_transformation (cairo, trans); - trans = trans->next; - } - - gg_svg_free_parents (&chain); -} - -static void -gg_svg_apply_style (struct gg_svg_shape *shape, struct gg_svg_style *style) -{ -/* applying the final style (supporting inheritance) */ - struct gg_svg_group *parent; - struct gg_svg_parents chain; - struct gg_svg_parent_ref *ref; - struct gg_svg_group *group; - -/* initializing the chain as empty */ - chain.first = NULL; - chain.last = NULL; - - parent = shape->parent; - if (parent != NULL) - { - /* identifying all parents in reverse order */ - while (parent) - { - gg_svg_add_parent (&chain, parent); - parent = parent->parent; - } - } - -/* initializing an Undefined Style */ - style->visibility = 1; - style->opacity = 1.0; - style->fill = 1; - style->no_fill = 0; - style->fill_url = NULL; - style->fill_pointer = NULL; - style->fill_rule = -1; - style->fill_red = 0.0; - style->fill_green = 0.0; - style->fill_blue = 0.0; - style->fill_opacity = 1.0; - style->stroke = -1; - style->no_stroke = 0; - style->stroke_url = NULL; - style->stroke_pointer = NULL; - style->stroke_width = -1.0; - style->stroke_linecap = -1; - style->stroke_linejoin = -1; - style->stroke_miterlimit = -1.0; - style->stroke_dashitems = 0; - style->stroke_dasharray = NULL; - style->stroke_dashoffset = 0.0; - style->stroke_red = -1.0; - style->stroke_green = -1.0; - style->stroke_blue = -1.0; - style->stroke_opacity = -1.0; - style->clip_url = NULL; - style->clip_pointer = NULL; - - ref = chain.first; - while (ref) - { - /* chaining all style definitions inherited by ancestors */ - group = ref->parent; - if (group != NULL) - { - if (group->style.visibility >= 0) - style->visibility = group->style.visibility; - style->opacity = group->style.opacity; - if (group->style.fill >= 0) - style->fill = group->style.fill; - if (group->style.no_fill) - style->no_fill = group->style.no_fill; - if (group->style.fill_rule >= 0) - style->fill_rule = group->style.fill_rule; - if (group->style.fill_url != NULL) - gg_svg_add_fill_gradient_url (style, group->style.fill_url); - if (group->style.fill_red >= 0.0) - style->fill_red = group->style.fill_red; - if (group->style.fill_green >= 0.0) - style->fill_green = group->style.fill_green; - if (group->style.fill_blue >= 0.0) - style->fill_blue = group->style.fill_blue; - if (group->style.fill_opacity >= 0.0) - style->fill_opacity = group->style.fill_opacity; - if (group->style.stroke >= 0) - style->stroke = group->style.stroke; - if (group->style.no_stroke >= 0) - style->no_stroke = group->style.no_stroke; - if (group->style.stroke_width >= 0.0) - style->stroke_width = group->style.stroke_width; - if (group->style.stroke_linecap >= 0) - style->stroke_linecap = group->style.stroke_linecap; - if (group->style.stroke_linejoin >= 0) - style->stroke_linejoin = group->style.stroke_linejoin; - if (group->style.stroke_miterlimit >= 0.0) - style->stroke_miterlimit = group->style.stroke_miterlimit; - if (group->style.stroke_dashitems > 0) - { - style->stroke_dashitems = group->style.stroke_dashitems; - if (style->stroke_dasharray != NULL) - free (style->stroke_dasharray); - style->stroke_dasharray = NULL; - if (group->style.stroke_dashitems > 0) - { - int i; - style->stroke_dasharray = - malloc (sizeof (double) * - group->style.stroke_dashitems); - for (i = 0; i < group->style.stroke_dashitems; i++) - style->stroke_dasharray[i] = - group->style.stroke_dasharray[i]; - } - style->stroke_dashoffset = group->style.stroke_dashoffset; - } - if (group->style.stroke_url != NULL) - gg_svg_add_stroke_gradient_url (style, - group->style.stroke_url); - if (group->style.stroke_red >= 0.0) - style->stroke_red = group->style.stroke_red; - if (group->style.stroke_green >= 0.0) - style->stroke_green = group->style.stroke_green; - if (group->style.stroke_blue >= 0.0) - style->stroke_blue = group->style.stroke_blue; - if (group->style.stroke_opacity >= 0.0) - style->stroke_opacity = group->style.stroke_opacity; - if (group->style.clip_url != NULL) - { - gg_svg_add_clip_url (style, group->style.clip_url); - style->clip_pointer = group->style.clip_pointer; - } - } - ref = ref->next; - } - -/* applying Shape specific style definitions */ - if (shape->style.visibility >= 0) - style->visibility = shape->style.visibility; - style->opacity = shape->style.opacity; - if (shape->style.fill >= 0) - style->fill = shape->style.fill; - if (shape->style.no_fill >= 0) - style->no_fill = shape->style.no_fill; - if (shape->style.fill_rule >= 0) - style->fill_rule = shape->style.fill_rule; - if (shape->style.fill_url != NULL) - gg_svg_add_fill_gradient_url (style, shape->style.fill_url); - if (shape->style.fill_red >= 0.0) - style->fill_red = shape->style.fill_red; - if (shape->style.fill_green >= 0.0) - style->fill_green = shape->style.fill_green; - if (shape->style.fill_blue >= 0.0) - style->fill_blue = shape->style.fill_blue; - if (shape->style.fill_opacity >= 0.0) - style->fill_opacity = shape->style.fill_opacity; - if (shape->style.stroke >= 0) - style->stroke = shape->style.stroke; - if (shape->style.no_stroke >= 0) - style->no_stroke = shape->style.no_stroke; - if (shape->style.stroke_width >= 0.0) - style->stroke_width = shape->style.stroke_width; - if (shape->style.stroke_linecap >= 0) - style->stroke_linecap = shape->style.stroke_linecap; - if (shape->style.stroke_linejoin >= 0) - style->stroke_linejoin = shape->style.stroke_linejoin; - if (shape->style.stroke_miterlimit >= 0.0) - style->stroke_miterlimit = shape->style.stroke_miterlimit; - if (shape->style.stroke_dashitems > 0) - { - style->stroke_dashitems = shape->style.stroke_dashitems; - if (style->stroke_dasharray != NULL) - free (style->stroke_dasharray); - style->stroke_dasharray = NULL; - if (shape->style.stroke_dashitems > 0) - { - int i; - style->stroke_dasharray = - malloc (sizeof (double) * shape->style.stroke_dashitems); - for (i = 0; i < shape->style.stroke_dashitems; i++) - style->stroke_dasharray[i] = - shape->style.stroke_dasharray[i]; - } - style->stroke_dashoffset = shape->style.stroke_dashoffset; - } - if (shape->style.stroke_url != NULL) - gg_svg_add_stroke_gradient_url (style, shape->style.stroke_url); - if (shape->style.stroke_red >= 0.0) - style->stroke_red = shape->style.stroke_red; - if (shape->style.stroke_green >= 0.0) - style->stroke_green = shape->style.stroke_green; - if (shape->style.stroke_blue >= 0.0) - style->stroke_blue = shape->style.stroke_blue; - if (shape->style.stroke_opacity >= 0.0) - style->stroke_opacity = shape->style.stroke_opacity; - if (shape->style.clip_url != NULL) - { - gg_svg_add_clip_url (style, shape->style.clip_url); - style->clip_pointer = shape->style.clip_pointer; - } -/* final adjustements */ - if (style->fill < 0) - style->fill = 1; - if (style->stroke < 0) - style->stroke = 1; - if (style->no_fill < 0) - style->no_fill = 0; - if (style->no_stroke < 0) - style->no_stroke = 0; - if (style->fill_red < 0.0 && style->fill_green < 0.0 - && style->fill_blue < 0.0 && style->fill_url == NULL) - style->no_fill = 1; - if (style->stroke_red < 0.0 && style->stroke_green < 0.0 - && style->stroke_blue < 0.0 && style->stroke_url == NULL) - style->no_stroke = 1; - if (style->no_fill) - style->fill = 0; - if (style->no_stroke) - style->stroke = 0; - if (style->fill) - { - if (style->fill_rule < 0) - style->fill_rule = CAIRO_FILL_RULE_WINDING; - if (style->fill_red < 0.0 || style->fill_red > 1.0) - style->fill_red = 0.0; - if (style->fill_green < 0.0 || style->fill_green > 1.0) - style->fill_green = 0.0; - if (style->fill_blue < 0.0 || style->fill_blue > 1.0) - style->fill_blue = 0.0; - if (style->fill_opacity < 0.0 || style->fill_opacity > 1.0) - style->fill_opacity = 1.0; - } - if (style->stroke) - { - if (style->stroke_width <= 0.0) - style->stroke_width = 1.0; - if (style->stroke_linecap < 0) - style->stroke_linecap = CAIRO_LINE_CAP_BUTT; - if (style->stroke_linejoin < 0) - style->stroke_linejoin = CAIRO_LINE_JOIN_MITER; - if (style->stroke_miterlimit < 0) - style->stroke_miterlimit = 4.0; - if (style->stroke_red < 0.0 || style->stroke_red > 1.0) - style->stroke_red = 0.0; - if (style->stroke_green < 0.0 || style->stroke_green > 1.0) - style->stroke_green = 0.0; - if (style->stroke_blue < 0.0 || style->stroke_blue > 1.0) - style->stroke_blue = 0.0; - if (style->stroke_opacity < 0.0 || style->stroke_opacity > 1.0) - style->stroke_opacity = 1.0; - } - gg_svg_free_parents (&chain); -} - -static void -gg_svg_resolve_fill_url (struct gg_svg_document *svg_doc, - struct gg_svg_style *style) -{ -/* attempting to resolve a FillGradient by URL */ - struct gg_svg_gradient *gradient = svg_doc->first_grad; - while (gradient) - { - if (gradient->id != NULL) - { - if (strcmp (style->fill_url, gradient->id) == 0) - { - style->fill_pointer = gradient; - return; - } - } - gradient = gradient->next; - } - style->fill_pointer = NULL; - style->fill = 0; -} - -static void -gg_svg_resolve_stroke_url (struct gg_svg_document *svg_doc, - struct gg_svg_style *style) -{ -/* attempting to resolve a StrokeGradient by URL */ - struct gg_svg_gradient *gradient = svg_doc->first_grad; - while (gradient) - { - if (gradient->id != NULL) - { - if (strcmp (style->stroke_url, gradient->id) == 0) - { - style->stroke_pointer = gradient; - return; - } - } - gradient = gradient->next; - } - style->stroke_pointer = NULL; - style->stroke = 0; -} - -static void -gg_svg_apply_clip2 (cairo_t * cairo, struct gg_svg_item *clip_path) -{ -/* attempting to apply a ClipPath - actuation */ - struct gg_svg_group *group; - struct gg_svg_shape *shape; - struct gg_svg_clip *clip; - struct gg_svg_item *item = clip_path; - while (item) - { - /* looping on Items */ - if (item->type == GG_SVG_ITEM_SHAPE && item->pointer != NULL) - { - shape = item->pointer; - switch (shape->type) - { - case GG_SVG_RECT: - gg_svg_clip_rect (cairo, shape); - break; - case GG_SVG_CIRCLE: - gg_svg_clip_circle (cairo, shape); - break; - case GG_SVG_ELLIPSE: - gg_svg_clip_ellipse (cairo, shape); - break; - case GG_SVG_LINE: - gg_svg_clip_line (cairo, shape); - break; - case GG_SVG_POLYLINE: - gg_svg_clip_polyline (cairo, shape); - break; - case GG_SVG_POLYGON: - gg_svg_clip_polygon (cairo, shape); - break; - case GG_SVG_PATH: - gg_svg_clip_path (cairo, shape); - break; - }; - } - if (item->type == GG_SVG_ITEM_GROUP && item->pointer != NULL) - { - group = item->pointer; - gg_svg_apply_clip2 (cairo, group->first); - } - if (item->type == GG_SVG_ITEM_CLIP && item->pointer != NULL) - { - clip = item->pointer; - gg_svg_apply_clip2 (cairo, clip->first); - } - item = item->next; - } -} - -static void -gg_svg_apply_clip (cairo_t * cairo, struct gg_svg_item *item) -{ -/* attempting to apply a ClipPath */ - if (item->type == GG_SVG_ITEM_CLIP && item->pointer != NULL) - { - struct gg_svg_clip *clip = item->pointer; - gg_svg_apply_clip2 (cairo, clip->first); - } -} - -static void -gg_svg_render_item (cairo_t * cairo, struct gg_svg_document *svg_doc, - struct gg_svg_item *item) -{ -/* rendering all SVG Items */ - struct gg_svg_group *group; - struct gg_svg_shape *shape; - struct gg_svg_style style; - - while (item) - { - /* looping on Items */ - if (item->type == GG_SVG_ITEM_SHAPE && item->pointer != NULL) - { - shape = item->pointer; - if (shape->is_defs || shape->is_flow_root) - ; - else - { - gg_svg_apply_transformations (cairo, svg_doc, shape); - gg_svg_apply_style (shape, &style); - if (style.visibility) - { - if (style.fill_url != NULL) - gg_svg_resolve_fill_url (svg_doc, &style); - if (style.stroke_url != NULL) - gg_svg_resolve_stroke_url (svg_doc, &style); - if (style.clip_url != NULL - && style.clip_pointer != NULL) - gg_svg_apply_clip (cairo, style.clip_pointer); - gg_svg_draw_shape (cairo, shape, &style); - cairo_reset_clip (cairo); - } - if (style.fill_url != NULL) - free (style.fill_url); - if (style.stroke_url != NULL) - free (style.stroke_url); - if (style.clip_url != NULL) - free (style.clip_url); - } - } - if (item->type == GG_SVG_ITEM_GROUP && item->pointer != NULL) - { - group = item->pointer; - if (group->is_defs || group->is_flow_root) - ; - else - gg_svg_render_item (cairo, svg_doc, group->first); - } - item = item->next; - } -} - -static void -gg_svg_find_href (struct gg_svg_document *svg_doc, struct gg_svg_item *item, - const char *href, struct gg_svg_item **pointer) -{ -/* attempting to recursively resolve an xlink:href reference */ - struct gg_svg_group *group; - struct gg_svg_shape *shape; - - while (item) - { - /* looping on Items */ - if (item->type == GG_SVG_ITEM_SHAPE && item->pointer != NULL) - { - shape = item->pointer; - if (shape->id != NULL) - { - if (strcmp (shape->id, href + 1) == 0) - { - *pointer = item; - return; - } - } - } - if (item->type == GG_SVG_ITEM_GROUP && item->pointer != NULL) - { - group = item->pointer; - if (group->id != NULL) - { - if (strcmp (group->id, href + 1) == 0) - { - *pointer = item; - return; - } - } - gg_svg_find_href (svg_doc, group->first, href, pointer); - } - item = item->next; - } -} - -static void -gg_svg_replace_use (struct gg_svg_item *item, struct gg_svg_item *repl) -{ -/* replacing an Use with the corrensponding resolved item */ - struct gg_svg_use *use = item->pointer; - - if (repl->type == GG_SVG_ITEM_SHAPE && repl->pointer) - { - struct gg_svg_shape *shape = repl->pointer; - item->pointer = gg_svg_clone_shape (shape, use); - item->type = GG_SVG_ITEM_SHAPE; - } - if (repl->type == GG_SVG_ITEM_GROUP && repl->pointer) - { - struct gg_svg_group *group = repl->pointer; - item->pointer = gg_svg_clone_group (group, use); - item->type = GG_SVG_ITEM_GROUP; - } - gg_svg_free_use (use); -} - -static void -gg_svg_find_gradient_href (struct gg_svg_document *svg_doc, const char *href, - struct gg_svg_gradient **pointer) -{ -/* attempting to recursively resolve an xlink:href reference (Gradients) */ - struct gg_svg_gradient *grad = svg_doc->first_grad; - - while (grad) - { - /* looping on Gradients */ - if (strcmp (grad->id, href + 1) == 0) - { - *pointer = grad; - return; - } - grad = grad->next; - } -} - -static struct gg_svg_gradient * -gg_svg_replace_gradient (struct gg_svg_document *svg_doc, - struct gg_svg_gradient *gradient, - struct gg_svg_gradient *repl) -{ -/* replacing a Gradient with the corrensponding resolved item */ - struct gg_svg_gradient *new_grad = gg_svg_clone_gradient (repl, gradient); - new_grad->prev = gradient->prev; - new_grad->next = gradient->next; - if (gradient->prev != NULL) - gradient->prev->next = new_grad; - if (gradient->next != NULL) - gradient->next->prev = new_grad; - if (svg_doc->first_grad == gradient) - svg_doc->first_grad = new_grad; - if (svg_doc->last_grad == gradient) - svg_doc->last_grad = new_grad; - gg_svg_free_gradient (gradient); - return new_grad; -} - -static void -gg_svg_resolve_gradients_xlink_href (struct gg_svg_document *svg_doc) -{ -/* resolving any indirect reference: Gradient xlink:href */ - struct gg_svg_gradient *grad = svg_doc->first_grad; - struct gg_svg_gradient *ret; - - while (grad) - { - /* looping on Gradients */ - if (grad->xlink_href != NULL) - { - gg_svg_find_gradient_href (svg_doc, grad->xlink_href, &ret); - if (ret != NULL) - grad = gg_svg_replace_gradient (svg_doc, grad, ret); - } - grad = grad->next; - } -} - -static void -gg_svg_resolve_xlink_href (struct gg_svg_document *svg_doc, - struct gg_svg_item *item) -{ -/* recursively resolving any indirect reference: xlink:href */ - struct gg_svg_group *group; - struct gg_svg_use *use; - struct gg_svg_clip *clip; - struct gg_svg_item *ret; - - while (item) - { - /* looping on Items */ - if (item->type == GG_SVG_ITEM_USE && item->pointer != NULL) - { - use = item->pointer; - gg_svg_find_href (svg_doc, svg_doc->first, use->xlink_href, - &ret); - if (ret != NULL) - gg_svg_replace_use (item, ret); - } - if (item->type == GG_SVG_ITEM_GROUP && item->pointer != NULL) - { - group = item->pointer; - gg_svg_resolve_xlink_href (svg_doc, group->first); - } - if (item->type == GG_SVG_ITEM_CLIP && item->pointer != NULL) - { - clip = item->pointer; - gg_svg_resolve_xlink_href (svg_doc, clip->first); - } - item = item->next; - } -} - -static void -gg_svg_find_clip_href (struct gg_svg_document *svg_doc, - struct gg_svg_item *item, const char *href, - struct gg_svg_item **pointer) -{ -/* attempting to recursively resolve an xlink:href reference (ClipPath) */ - - struct gg_svg_group *group; - struct gg_svg_clip *clip; - - while (item) - { - /* looping on Items */ - if (item->type == GG_SVG_ITEM_CLIP && item->pointer != NULL) - { - clip = item->pointer; - if (clip->id != NULL) - { - if (strcmp (clip->id, href) == 0) - { - *pointer = item; - return; - } - } - } - if (item->type == GG_SVG_ITEM_GROUP && item->pointer != NULL) - { - group = item->pointer; - if (group->id != NULL) - { - if (strcmp (group->id, href + 1) == 0) - { - *pointer = item; - return; - } - } - gg_svg_find_clip_href (svg_doc, group->first, href, pointer); - } - item = item->next; - } -} - -static void -gg_svg_resolve_clip_xlink_href (struct gg_svg_document *svg_doc, - struct gg_svg_item *item) -{ -/* recursively resolving any indirect reference: ClipPath url */ - struct gg_svg_group *group; - struct gg_svg_shape *shape; - struct gg_svg_use *use; - struct gg_svg_item *ret = NULL; - - while (item) - { - /* looping on Items */ - if (item->type == GG_SVG_ITEM_USE && item->pointer != NULL) - { - use = item->pointer; - if (use->style.clip_url != NULL) - { - gg_svg_find_clip_href (svg_doc, svg_doc->first, - use->style.clip_url, &ret); - if (ret != NULL) - use->style.clip_pointer = ret; - } - } - if (item->type == GG_SVG_ITEM_SHAPE && item->pointer != NULL) - { - shape = item->pointer; - if (shape->style.clip_url != NULL) - { - gg_svg_find_clip_href (svg_doc, svg_doc->first, - shape->style.clip_url, &ret); - if (ret != NULL) - shape->style.clip_pointer = ret; - } - } - if (item->type == GG_SVG_ITEM_GROUP && item->pointer != NULL) - { - group = item->pointer; - if (group->style.clip_url != NULL) - { - gg_svg_find_clip_href (svg_doc, svg_doc->first, - group->style.clip_url, &ret); - if (ret != NULL) - group->style.clip_pointer = ret; - } - gg_svg_resolve_clip_xlink_href (svg_doc, group->first); - } - item = item->next; - } -} - -static int -gg_svg_to_img (const void **img_out, int size, struct gg_svg_document *svg_doc) -{ -/* rendering an SVG document as an RGBA image */ - cairo_surface_t *surface; - cairo_t *cairo; - double ratio_x; - double ratio_y; - double width; - double height; - double shift_x; - double shift_y; - int ret = 1; - gGraphImagePtr img = NULL; - int w; - int h; - int x; - int y; - const unsigned char *in_buf; - unsigned char *out_buf = NULL; - - if (svg_doc->viewbox_x != DBL_MIN && svg_doc->viewbox_y != DBL_MIN - && svg_doc->viewbox_width != DBL_MIN - && svg_doc->viewbox_height != DBL_MIN) - { - /* setting the SVG dimensions from the ViewBox */ - if (svg_doc->width <= 0) - svg_doc->width = svg_doc->viewbox_width; - if (svg_doc->height <= 0) - svg_doc->height = svg_doc->viewbox_height; - } - else - { - /* setting the ViewBox from the SVG dimensions */ - svg_doc->viewbox_x = 0.0; - svg_doc->viewbox_y = 0.0; - svg_doc->viewbox_width = svg_doc->width; - svg_doc->viewbox_height = svg_doc->height; - } - if (svg_doc->width <= 0.0 || svg_doc->height <= 0.0) - return 0; - -/* setting the image dimensions */ - ratio_x = svg_doc->width / (double) size; - ratio_y = svg_doc->height / (double) size; - if (ratio_x > ratio_y) - { - width = svg_doc->width / ratio_x; - height = svg_doc->height / ratio_x; - } - else - { - width = svg_doc->width / ratio_y; - height = svg_doc->height / ratio_y; - } - - surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height); - if (cairo_surface_status (surface) == CAIRO_STATUS_SUCCESS) - ; - else - return 0; - cairo = cairo_create (surface); - if (cairo_status (cairo) == CAIRO_STATUS_NO_MEMORY) - { - fprintf (stderr, "CAIRO reports: Insufficient Memory\n"); - ret = 0; - goto stop; - } - -/* priming a transparent background */ - cairo_rectangle (cairo, 0, 0, width, height); - cairo_set_source_rgba (cairo, 0.0, 0.0, 0.0, 0.0); - cairo_fill (cairo); -/* setting the basic document matrix */ - svg_doc->matrix.xx = 1.0; - svg_doc->matrix.yx = 0.0; - svg_doc->matrix.xy = 0.0; - svg_doc->matrix.yy = 1.0; - svg_doc->matrix.x0 = 0.0; - svg_doc->matrix.y0 = 0.0; - ratio_x = width / svg_doc->viewbox_width; - ratio_y = height / svg_doc->viewbox_height; - cairo_matrix_scale (&(svg_doc->matrix), ratio_x, ratio_y); - shift_x = -1 * svg_doc->viewbox_x; - shift_y = -1 * svg_doc->viewbox_y; - cairo_matrix_translate (&(svg_doc->matrix), shift_x, shift_y); - -/* resolving any xlink:href */ - gg_svg_resolve_gradients_xlink_href (svg_doc); - gg_svg_resolve_clip_xlink_href (svg_doc, svg_doc->first); - gg_svg_resolve_xlink_href (svg_doc, svg_doc->first); - -/* recursively rendering all SVG Items */ - gg_svg_render_item (cairo, svg_doc, svg_doc->first); - -/* accessing the CairoSurface buffer */ - w = cairo_image_surface_get_width (surface); - h = cairo_image_surface_get_height (surface); - cairo_surface_flush (surface); - in_buf = cairo_image_surface_get_data (surface); - if (in_buf == NULL) - { - ret = 0; - goto stop; - } - -/* creating the Image buffer */ - out_buf = malloc (h * w * 4); - if (out_buf == NULL) - { - ret = 0; - goto stop; - } - for (y = 0; y < h; y++) - { - /* looping on lines */ double multiplier; - double r; - double g; - double b; - const unsigned char *p_in = in_buf + (y * w * 4); - unsigned char *p_out = out_buf + (y * w * 4); - for (x = 0; x < w; x++) - { - /* looping on columns */ - unsigned char alpha; - unsigned char red; - unsigned char green; - unsigned char blue; - if (gg_endian_arch ()) - { - /* little endian byte order */ - alpha = *(p_in + 3); - red = *(p_in + 2); - green = *(p_in + 1); - blue = *(p_in + 0); - } - else - { - /* big endian byte order */ - alpha = *(p_in + 0); - red = *(p_in + 1); - green = *(p_in + 2); - blue = *(p_in + 3); - } - /* Cairo colors are pre-multiplied; normalizing */ - multiplier = 255.0 / (double) alpha; - r = (double) red *multiplier; - g = (double) green *multiplier; - b = (double) blue *multiplier; - if (r < 0.0) - red = 0; - else if (r > 255.0) - red = 255; - else - red = r; - if (g < 0.0) - green = 0; - else if (g > 255.0) - green = 255; - else - green = g; - if (b < 0.0) - blue = 0; - else if (b > 255.0) - blue = 255; - else - blue = b; - *(p_out + 0) = red; - *(p_out + 1) = green; - *(p_out + 2) = blue; - *(p_out + 3) = alpha; - p_in += 4; - p_out += 4; - } - } - -/* creating the output image */ - img = - gg_image_create_from_bitmap (out_buf, GG_PIXEL_RGBA, w, h, 8, 4, - GGRAPH_SAMPLE_UINT, NULL, NULL); -/* releasing ownership on output buffer */ - out_buf = NULL; - - stop: - if (out_buf != NULL) - free (out_buf); - cairo_surface_destroy (surface); - cairo_destroy (cairo); - *img_out = img; - return ret; -} - -GGRAPH_DECLARE int -gGraphCreateSVG (const unsigned char *svg, int svg_bytes, void **svg_handle) -{ -/* parsing the SVG Document and returning an opaque handle */ - struct gg_svg_document *svg_doc; - - *svg_handle = NULL; - svg_doc = gg_svg_parse_doc (svg, svg_bytes); - if (svg_doc == NULL) - { - /* unable to parse the SVG Document */ - return GGRAPH_INVALID_SVG; - } - *svg_handle = svg_doc; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphGetSVGDims (void *svg_handle, double *width, double *height) -{ -/* destroying the SVG document */ - struct gg_svg_document *svg_doc = (struct gg_svg_document *) svg_handle; - if (svg_doc == NULL) - return GGRAPH_INVALID_SVG; - if (svg_doc->signature != GG_GRAPHICS_SVG_MAGIC_SIGNATURE) - return GGRAPH_INVALID_SVG; - *width = svg_doc->width; - *height = svg_doc->height; - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphFreeSVG (void *svg_handle) -{ -/* parsing the SVG Document */ - struct gg_svg_document *svg_doc = (struct gg_svg_document *) svg_handle; - if (svg_doc == NULL) - return GGRAPH_INVALID_SVG; - if (svg_doc->signature != GG_GRAPHICS_SVG_MAGIC_SIGNATURE) - return GGRAPH_INVALID_SVG; - gg_svg_free_document (svg_doc); - return GGRAPH_OK; -} - -GGRAPH_DECLARE int -gGraphImageFromSVG (void *svg_handle, double size, const void **img_out) -{ -/* rendering the SVG Document into a raster image */ - struct gg_svg_document *svg_doc = (struct gg_svg_document *) svg_handle; - if (svg_doc == NULL) - return GGRAPH_INVALID_SVG; - if (svg_doc->signature != GG_GRAPHICS_SVG_MAGIC_SIGNATURE) - return GGRAPH_INVALID_SVG; -/* SVG image rendering */ - if (!gg_svg_to_img (img_out, size, svg_doc)) - { - gg_svg_free_document (svg_doc); - return GGRAPH_INVALID_SVG; - } - return GGRAPH_OK; -} DELETED src/gaiagraphics_svg_aux.c Index: src/gaiagraphics_svg_aux.c ================================================================== --- src/gaiagraphics_svg_aux.c +++ src/gaiagraphics_svg_aux.c @@ -1,2084 +0,0 @@ -/* -/ gaiagraphics_svg_aux.c -/ -/ SVG auxiliary methods -/ -/ version 1.0, 2013 February 10 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2013 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include -#include - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -GGRAPH_PRIVATE void -gg_svg_free_transform (struct gg_svg_transform *p) -{ -/* freeing an SVG Transform */ - if (p == NULL) - return; - if (p->data != NULL) - free (p->data); - free (p); -} - -GGRAPH_PRIVATE void -gg_svg_free_polyline (struct gg_svg_polyline *p) -{ -/* freeing an SVG Polyline */ - if (p == NULL) - return; - if (p->x != NULL) - free (p->x); - if (p->y != NULL) - free (p->y); - free (p); -} - -GGRAPH_PRIVATE void -gg_svg_free_polygon (struct gg_svg_polygon *p) -{ -/* freeing an SVG Polygon */ - if (p == NULL) - return; - if (p->x != NULL) - free (p->x); - if (p->y != NULL) - free (p->y); - free (p); -} - -GGRAPH_PRIVATE void -gg_svg_free_path_item (struct gg_svg_path_item *p) -{ -/* freeing an SVG Path item */ - if (p == NULL) - return; - if (p->data != NULL) - free (p->data); - free (p); -} - -GGRAPH_PRIVATE void -gg_svg_free_path (struct gg_svg_path *p) -{ -/* freeing an SVG Path */ - struct gg_svg_path_item *pp; - struct gg_svg_path_item *ppn; - if (p == NULL) - return; - pp = p->first; - while (pp != NULL) - { - ppn = pp->next; - gg_svg_free_path_item (pp); - pp = ppn; - } - free (p); -} - -GGRAPH_PRIVATE void -gg_svg_free_shape (struct gg_svg_shape *p) -{ -/* freeing an SVG Shape */ - struct gg_svg_transform *ptn; - struct gg_svg_transform *pt = p->first_trans; - if (p->id != NULL) - free (p->id); - while (pt) - { - ptn = pt->next; - gg_svg_free_transform (pt); - pt = ptn; - } - switch (p->type) - { - case GG_SVG_POLYLINE: - gg_svg_free_polyline (p->data); - break; - case GG_SVG_POLYGON: - gg_svg_free_polygon (p->data); - break; - case GG_SVG_PATH: - gg_svg_free_path (p->data); - break; - default: - if (p->data) - free (p->data); - break; - }; - if (p->style.stroke_dasharray != NULL) - free (p->style.stroke_dasharray); - if (p->style.fill_url != NULL) - free (p->style.fill_url); - if (p->style.stroke_url != NULL) - free (p->style.stroke_url); - if (p->style.clip_url != NULL) - free (p->style.clip_url); - free (p); -} - -GGRAPH_PRIVATE void -gg_svg_free_use (struct gg_svg_use *p) -{ -/* freeing an SVG Use (xlink:href) */ - struct gg_svg_transform *pt; - struct gg_svg_transform *ptn; - if (p->xlink_href != NULL) - free (p->xlink_href); - pt = p->first_trans; - while (pt) - { - ptn = pt->next; - gg_svg_free_transform (pt); - pt = ptn; - } - if (p->style.stroke_dasharray != NULL) - free (p->style.stroke_dasharray); - if (p->style.fill_url != NULL) - free (p->style.fill_url); - if (p->style.stroke_url != NULL) - free (p->style.stroke_url); - if (p->style.clip_url != NULL) - free (p->style.clip_url); - free (p); -} - -GGRAPH_PRIVATE void -gg_svg_free_item (struct gg_svg_item *p) -{ -/* freeing an SVG Item */ - if (p->type == GG_SVG_ITEM_GROUP) - gg_svg_free_group ((struct gg_svg_group *) (p->pointer)); - if (p->type == GG_SVG_ITEM_SHAPE) - gg_svg_free_shape ((struct gg_svg_shape *) (p->pointer)); - if (p->type == GG_SVG_ITEM_CLIP) - gg_svg_free_clip ((struct gg_svg_clip *) (p->pointer)); - free (p); -} - -GGRAPH_PRIVATE void -gg_svg_free_clip (struct gg_svg_clip *p) -{ -/* freeing an SVG Clip */ - struct gg_svg_item *pi; - struct gg_svg_item *pin; - if (p->id != NULL) - free (p->id); - pi = p->first; - while (pi) - { - pin = pi->next; - gg_svg_free_item (pi); - pi = pin; - } - free (p); -} - -GGRAPH_PRIVATE void -gg_svg_free_group (struct gg_svg_group *p) -{ -/* freeing an SVG Group */ - struct gg_svg_item *pi; - struct gg_svg_item *pin; - struct gg_svg_transform *pt; - struct gg_svg_transform *ptn; - if (p->id != NULL) - free (p->id); - pi = p->first; - while (pi) - { - pin = pi->next; - gg_svg_free_item (pi); - pi = pin; - } - pt = p->first_trans; - while (pt) - { - ptn = pt->next; - gg_svg_free_transform (pt); - pt = ptn; - } - if (p->style.stroke_dasharray != NULL) - free (p->style.stroke_dasharray); - if (p->style.fill_url != NULL) - free (p->style.fill_url); - if (p->style.stroke_url != NULL) - free (p->style.stroke_url); - if (p->style.clip_url != NULL) - free (p->style.clip_url); - free (p); -} - -GGRAPH_PRIVATE void -gg_svg_free_gradient_stop (struct gg_svg_gradient_stop *p) -{ -/* freeing an SVG GradientStop */ - free (p); -} - -GGRAPH_PRIVATE void -gg_svg_free_gradient (struct gg_svg_gradient *p) -{ -/* freeing an SVG Gradient */ - struct gg_svg_transform *pt; - struct gg_svg_transform *ptn; - struct gg_svg_gradient_stop *ps; - struct gg_svg_gradient_stop *psn; - if (p->id != NULL) - free (p->id); - if (p->xlink_href != NULL) - free (p->xlink_href); - pt = p->first_trans; - while (pt) - { - ptn = pt->next; - gg_svg_free_transform (pt); - pt = ptn; - } - ps = p->first_stop; - while (ps) - { - psn = ps->next; - gg_svg_free_gradient_stop (ps); - ps = psn; - } - free (p); -} - -GGRAPH_PRIVATE void -gg_svg_free_document (struct gg_svg_document *p) -{ -/* freeing an SVG Document */ - struct gg_svg_item *pi; - struct gg_svg_item *pin; - struct gg_svg_gradient *pg; - struct gg_svg_gradient *pgn; - pi = p->first; - while (pi) - { - pin = pi->next; - if (pi->type == GG_SVG_ITEM_GROUP) - gg_svg_free_group ((struct gg_svg_group *) (pi->pointer)); - if (pi->type == GG_SVG_ITEM_SHAPE) - gg_svg_free_shape ((struct gg_svg_shape *) (pi->pointer)); - if (pi->type == GG_SVG_ITEM_USE) - gg_svg_free_use ((struct gg_svg_use *) (pi->pointer)); - if (pi->type == GG_SVG_ITEM_CLIP) - gg_svg_free_clip ((struct gg_svg_clip *) (pi->pointer)); - free (pi); - pi = pin; - } - pg = p->first_grad; - while (pg) - { - pgn = pg->next; - gg_svg_free_gradient (pg); - pg = pgn; - } - free (p); -} - -GGRAPH_PRIVATE struct gg_svg_matrix * -gg_svg_alloc_matrix (double a, double b, double c, double d, double e, double f) -{ -/* allocating and initializing an SVG Matrix */ - struct gg_svg_matrix *p = malloc (sizeof (struct gg_svg_matrix)); - p->a = a; - p->b = b; - p->c = c; - p->d = d; - p->e = e; - p->f = f; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_matrix * -gg_svg_clone_matrix (struct gg_svg_matrix *in) -{ -/* cloning an SVG Matrix */ - struct gg_svg_matrix *p = malloc (sizeof (struct gg_svg_matrix)); - p->a = in->a; - p->b = in->b; - p->c = in->c; - p->d = in->d; - p->e = in->e; - p->f = in->f; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_translate * -gg_svg_alloc_translate (double tx, double ty) -{ -/* allocating and initializing an SVG Translate */ - struct gg_svg_translate *p = malloc (sizeof (struct gg_svg_translate)); - p->tx = tx; - p->ty = ty; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_translate * -gg_svg_clone_translate (struct gg_svg_translate *in) -{ -/* cloning an SVG Translate */ - struct gg_svg_translate *p = malloc (sizeof (struct gg_svg_translate)); - p->tx = in->tx; - p->ty = in->ty; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_scale * -gg_svg_alloc_scale (double sx, double sy) -{ -/* allocating and initializing an SVG Scale */ - struct gg_svg_scale *p = malloc (sizeof (struct gg_svg_scale)); - p->sx = sx; - p->sy = sy; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_scale * -gg_svg_clone_scale (struct gg_svg_scale *in) -{ -/* cloning an SVG Scale */ - struct gg_svg_scale *p = malloc (sizeof (struct gg_svg_scale)); - p->sx = in->sx; - p->sy = in->sy; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_rotate * -gg_svg_alloc_rotate (double angle, double cx, double cy) -{ -/* allocating and initializing an SVG Scale */ - struct gg_svg_rotate *p = malloc (sizeof (struct gg_svg_rotate)); - p->angle = angle; - p->cx = cx; - p->cy = cy; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_rotate * -gg_svg_clone_rotate (struct gg_svg_rotate *in) -{ -/* cloning an SVG Scale */ - struct gg_svg_rotate *p = malloc (sizeof (struct gg_svg_rotate)); - p->angle = in->angle; - p->cx = in->cx; - p->cy = in->cy; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_skew * -gg_svg_alloc_skew (double angle) -{ -/* allocating and initializing an SVG Skew */ - struct gg_svg_skew *p = malloc (sizeof (struct gg_svg_skew)); - p->angle = angle; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_skew * -gg_svg_clone_skew (struct gg_svg_skew *in) -{ -/* cloning an SVG Skew */ - struct gg_svg_skew *p = malloc (sizeof (struct gg_svg_skew)); - p->angle = in->angle; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_transform * -gg_svg_alloc_transform (int type, void *data) -{ -/* allocating and initializing an empty SVG Transform */ - struct gg_svg_transform *p = malloc (sizeof (struct gg_svg_transform)); - p->type = type; - p->data = data; - p->next = NULL; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_transform * -gg_svg_clone_transform (struct gg_svg_transform *in) -{ -/* cloning SVG Transform */ - struct gg_svg_matrix *matrix; - struct gg_svg_translate *translate; - struct gg_svg_scale *scale; - struct gg_svg_rotate *rotate; - struct gg_svg_skew *skew; - struct gg_svg_transform *p = malloc (sizeof (struct gg_svg_transform)); - p->type = in->type; - switch (in->type) - { - case GG_SVG_MATRIX: - matrix = in->data; - p->data = gg_svg_clone_matrix (matrix); - break; - case GG_SVG_TRANSLATE: - translate = in->data; - p->data = gg_svg_clone_translate (translate); - break; - case GG_SVG_SCALE: - scale = in->data; - p->data = gg_svg_clone_scale (scale); - break; - case GG_SVG_ROTATE: - rotate = in->data; - p->data = gg_svg_clone_rotate (rotate); - break; - case GG_SVG_SKEW_X: - case GG_SVG_SKEW_Y: - skew = in->data; - p->data = gg_svg_clone_skew (skew); - break; - }; - p->next = NULL; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_rect * -gg_svg_alloc_rect (double x, double y, double width, double height, double rx, - double ry) -{ -/* allocating and initializing an SVG Rect */ - struct gg_svg_rect *p = malloc (sizeof (struct gg_svg_rect)); - p->x = x; - p->y = y; - p->width = width; - p->height = height; - p->rx = rx; - p->ry = ry; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_rect * -gg_svg_clone_rect (struct gg_svg_rect *in) -{ -/* cloning an SVG Rect */ - struct gg_svg_rect *p = malloc (sizeof (struct gg_svg_rect)); - p->x = in->x; - p->y = in->y; - p->width = in->width; - p->height = in->height; - p->rx = in->rx; - p->ry = in->ry; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_circle * -gg_svg_alloc_circle (double cx, double cy, double r) -{ -/* allocating and initializing an SVG Circle */ - struct gg_svg_circle *p = malloc (sizeof (struct gg_svg_circle)); - p->cx = cx; - p->cy = cy; - p->r = r; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_circle * -gg_svg_clone_circle (struct gg_svg_circle *in) -{ -/* cloning an SVG Circle */ - struct gg_svg_circle *p = malloc (sizeof (struct gg_svg_circle)); - p->cx = in->cx; - p->cy = in->cy; - p->r = in->r; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_ellipse * -gg_svg_alloc_ellipse (double cx, double cy, double rx, double ry) -{ -/* allocating and initializing an SVG Ellipse */ - struct gg_svg_ellipse *p = malloc (sizeof (struct gg_svg_ellipse)); - p->cx = cx; - p->cy = cy; - p->rx = rx; - p->ry = ry; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_ellipse * -gg_svg_clone_ellipse (struct gg_svg_ellipse *in) -{ -/* cloning an SVG Ellipse */ - struct gg_svg_ellipse *p = malloc (sizeof (struct gg_svg_ellipse)); - p->cx = in->cx; - p->cy = in->cy; - p->rx = in->rx; - p->ry = in->ry; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_line * -gg_svg_alloc_line (double x1, double y1, double x2, double y2) -{ -/* allocating and initializing an SVG Line */ - struct gg_svg_line *p = malloc (sizeof (struct gg_svg_line)); - p->x1 = x1; - p->y1 = y1; - p->x2 = x2; - p->y2 = y2; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_line * -gg_svg_clone_line (struct gg_svg_line *in) -{ -/* cloning an SVG Line */ - struct gg_svg_line *p = malloc (sizeof (struct gg_svg_line)); - p->x1 = in->x1; - p->y1 = in->y1; - p->x2 = in->x2; - p->y2 = in->y2; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_polyline * -gg_svg_alloc_polyline (int points, double *x, double *y) -{ -/* allocating and initializing an SVG Polyline */ - struct gg_svg_polyline *p = malloc (sizeof (struct gg_svg_polyline)); - p->points = points; - p->x = x; - p->y = y; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_polyline * -gg_svg_clone_polyline (struct gg_svg_polyline *in) -{ -/* cloning an SVG Polyline */ - int iv; - struct gg_svg_polyline *p = malloc (sizeof (struct gg_svg_polyline)); - p->points = in->points; - p->x = malloc (sizeof (double) * in->points); - p->y = malloc (sizeof (double) * in->points); - for (iv = 0; iv < in->points; iv++) - { - *(p->x + iv) = *(in->x + iv); - *(p->y + iv) = *(in->y + iv); - } - return p; -} - -GGRAPH_PRIVATE struct gg_svg_polygon * -gg_svg_alloc_polygon (int points, double *x, double *y) -{ -/* allocating and initializing an SVG Polygon */ - struct gg_svg_polygon *p = malloc (sizeof (struct gg_svg_polygon)); - p->points = points; - p->x = x; - p->y = y; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_polygon * -gg_svg_clone_polygon (struct gg_svg_polygon *in) -{ -/* cloning an SVG Polygon */ - int iv; - struct gg_svg_polygon *p = malloc (sizeof (struct gg_svg_polygon)); - p->points = in->points; - p->x = malloc (sizeof (double) * in->points); - p->y = malloc (sizeof (double) * in->points); - for (iv = 0; iv < in->points; iv++) - { - *(p->x + iv) = *(in->x + iv); - *(p->y + iv) = *(in->y + iv); - } - return p; -} - -GGRAPH_PRIVATE struct gg_svg_path_move * -gg_svg_alloc_path_move (double x, double y) -{ -/* allocating and initializing an SVG Path MoveTo or LineTo */ - struct gg_svg_path_move *p = malloc (sizeof (struct gg_svg_path_move)); - p->x = x; - p->y = y; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_path_move * -gg_svg_clone_path_move (struct gg_svg_path_move *in) -{ -/* cloning an SVG Path MoveTo or LineTo */ - struct gg_svg_path_move *p = malloc (sizeof (struct gg_svg_path_move)); - p->x = in->x; - p->y = in->y; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_path_bezier * -gg_svg_alloc_path_bezier (double x1, double y1, double x2, double y2, double x, - double y) -{ -/* allocating and initializing an SVG Bezier Curve */ - struct gg_svg_path_bezier *p = malloc (sizeof (struct gg_svg_path_bezier)); - p->x1 = x1; - p->y1 = y1; - p->x2 = x2; - p->y2 = y2; - p->x = x; - p->y = y; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_path_bezier * -gg_svg_clone_path_bezier (struct gg_svg_path_bezier *in) -{ -/* cloning an SVG Bezier Curve */ - struct gg_svg_path_bezier *p = malloc (sizeof (struct gg_svg_path_bezier)); - p->x1 = in->x1; - p->y1 = in->y1; - p->x2 = in->x2; - p->y2 = in->y2; - p->x = in->x; - p->y = in->y; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_path_ellipt_arc * -gg_svg_alloc_path_ellipt_arc (double rx, double ry, double rotation, - int large_arc, int sweep, double x, double y) -{ -/* allocating and initializing an SVG Elliptic Arc */ - struct gg_svg_path_ellipt_arc *p = - malloc (sizeof (struct gg_svg_path_ellipt_arc)); - p->rx = rx; - p->ry = ry; - p->rotation = rotation; - if (large_arc == 0) - p->large_arc = 0; - else - p->large_arc = 1; - if (sweep == 0) - p->sweep = 0; - else - p->sweep = 1; - p->x = x; - p->y = y; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_path_ellipt_arc * -gg_svg_clone_path_ellipt_arc (struct gg_svg_path_ellipt_arc *in) -{ -/* cloning an SVG Elliptic Arc */ - struct gg_svg_path_ellipt_arc *p = - malloc (sizeof (struct gg_svg_path_ellipt_arc)); - p->rx = in->rx; - p->ry = in->ry; - p->rotation = in->rotation; - p->large_arc = in->large_arc; - p->sweep = in->sweep; - p->x = in->x; - p->y = in->y; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_path_item * -gg_svg_alloc_path_item (int type, void *data) -{ -/* allocating and initializing an empty SVG Path item */ - struct gg_svg_path_item *p = malloc (sizeof (struct gg_svg_path_item)); - p->type = type; - p->data = data; - p->next = NULL; - return p; -} - -GGRAPH_PRIVATE void -gg_svg_add_path_item (struct gg_svg_path *path, int type, void *data) -{ -/* add a Command to an SVG Path */ - struct gg_svg_path_item *p = gg_svg_alloc_path_item (type, data); - if (path->first == NULL) - path->first = p; - if (path->last != NULL) - path->last->next = p; - path->last = p; -} - -GGRAPH_PRIVATE struct gg_svg_path * -gg_svg_alloc_path (void) -{ -/* allocating and initializing an empty SVG Path */ - struct gg_svg_path *p = malloc (sizeof (struct gg_svg_path)); - p->first = NULL; - p->last = NULL; - p->error = 0; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_path * -gg_svg_clone_path (struct gg_svg_path *in) -{ -/* cloning an empty SVG Path */ - struct gg_svg_path_move *move; - struct gg_svg_path_bezier *bezier; - struct gg_svg_path_ellipt_arc *arc; - struct gg_svg_path_item *pp; - struct gg_svg_path *p = malloc (sizeof (struct gg_svg_path)); - p->first = NULL; - p->last = NULL; - pp = in->first; - while (pp != NULL) - { - switch (pp->type) - { - case GG_SVG_MOVE_TO: - case GG_SVG_LINE_TO: - move = gg_svg_clone_path_move (pp->data); - gg_svg_add_path_item (p, pp->type, move); - break; - case GG_SVG_CURVE_3: - case GG_SVG_CURVE_4: - bezier = gg_svg_clone_path_bezier (pp->data); - gg_svg_add_path_item (p, pp->type, bezier); - break; - case GG_SVG_ELLIPT_ARC: - arc = gg_svg_clone_path_ellipt_arc (pp->data); - gg_svg_add_path_item (p, pp->type, arc); - break; - case GG_SVG_CLOSE_PATH: - gg_svg_add_path_item (p, pp->type, NULL); - break; - }; - pp = pp->next; - } - p->error = in->error; - return p; -} - -GGRAPH_PRIVATE void -gg_svg_add_clip_url (struct gg_svg_style *style, const char *url) -{ -/* adding an URL (ClipPath ref) to some Style */ - int len; - if (style->clip_url != NULL) - free (style->clip_url); - if (url == NULL) - { - style->clip_url = NULL; - return; - } - len = strlen (url); - style->clip_url = malloc (len + 1); - strcpy (style->clip_url, url); -} - -GGRAPH_PRIVATE void -gg_svg_add_fill_gradient_url (struct gg_svg_style *style, const char *url) -{ -/* adding an URL (Fill Gradient ref) to some Style */ - int len; - if (style->fill_url != NULL) - free (style->fill_url); - if (url == NULL) - { - style->fill_url = NULL; - return; - } - len = strlen (url); - style->fill_url = malloc (len + 1); - strcpy (style->fill_url, url); -} - -GGRAPH_PRIVATE void -gg_svg_add_stroke_gradient_url (struct gg_svg_style *style, const char *url) -{ -/* adding an URL (Stroke Gradient ref) to some Style */ - int len; - if (style->stroke_url != NULL) - free (style->stroke_url); - if (url == NULL) - { - style->stroke_url = NULL; - return; - } - len = strlen (url); - style->stroke_url = malloc (len + 1); - strcpy (style->stroke_url, url); -} - -GGRAPH_PRIVATE struct gg_svg_shape * -gg_svg_alloc_shape (int type, void *data, struct gg_svg_group *parent) -{ -/* allocating and initializing an empty SVG Shape */ - struct gg_svg_shape *p = malloc (sizeof (struct gg_svg_shape)); - p->id = NULL; - p->type = type; - p->data = data; - p->parent = parent; - p->style.visibility = -1; - p->style.opacity = 1.0; - p->style.fill = -1; - p->style.no_fill = -1; - p->style.fill_rule = -1; - p->style.fill_url = NULL; - p->style.fill_pointer = NULL; - p->style.fill_red = -1.0; - p->style.fill_green = -1.0; - p->style.fill_blue = -1.0; - p->style.fill_opacity = -1.0; - p->style.stroke = -1; - p->style.no_stroke = -1; - p->style.stroke_width = -1.0; - p->style.stroke_linecap = -1; - p->style.stroke_linejoin = -1; - p->style.stroke_miterlimit = -1.0; - p->style.stroke_dashitems = 0; - p->style.stroke_dasharray = NULL; - p->style.stroke_dashoffset = 0.0; - p->style.stroke_url = NULL; - p->style.stroke_pointer = NULL; - p->style.stroke_red = -1.0; - p->style.stroke_green = -1.0; - p->style.stroke_blue = -1.0; - p->style.stroke_opacity = -1.0; - p->style.clip_url = NULL; - p->style.clip_pointer = NULL; - p->first_trans = NULL; - p->last_trans = NULL; - p->is_defs = 0; - p->is_flow_root = 0; - p->next = NULL; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_shape * -gg_svg_clone_shape (struct gg_svg_shape *in, struct gg_svg_use *use) -{ -/* cloning an SVG Shape */ - struct gg_svg_rect *rect; - struct gg_svg_circle *circle; - struct gg_svg_ellipse *ellipse; - struct gg_svg_line *line; - struct gg_svg_polyline *polyline; - struct gg_svg_polygon *polygon; - struct gg_svg_path *path; - struct gg_svg_transform *pt; - struct gg_svg_transform *trans; - struct gg_svg_shape *out = malloc (sizeof (struct gg_svg_shape)); - out->id = NULL; - out->type = in->type; - switch (in->type) - { - case GG_SVG_RECT: - rect = in->data; - out->data = gg_svg_clone_rect (rect); - break; - case GG_SVG_CIRCLE: - circle = in->data; - out->data = gg_svg_clone_circle (circle); - break; - case GG_SVG_ELLIPSE: - ellipse = in->data; - out->data = gg_svg_clone_ellipse (ellipse); - break; - case GG_SVG_LINE: - line = in->data; - out->data = gg_svg_clone_line (line); - break; - case GG_SVG_POLYLINE: - polyline = in->data; - out->data = gg_svg_clone_polyline (polyline); - break; - case GG_SVG_POLYGON: - polygon = in->data; - out->data = gg_svg_clone_polygon (polygon); - break; - case GG_SVG_PATH: - path = in->data; - out->data = gg_svg_clone_path (path); - break; - } - if (use != NULL) - out->parent = use->parent; - else - out->parent = in->parent; - out->style.visibility = in->style.visibility; - out->style.opacity = in->style.opacity; - out->style.fill = in->style.fill; - out->style.no_fill = in->style.no_fill; - out->style.fill_rule = in->style.fill_rule; - out->style.fill_url = NULL; - out->style.fill_pointer = NULL; - if (in->style.fill_url != NULL) - gg_svg_add_fill_gradient_url (&(out->style), in->style.fill_url); - out->style.fill_red = in->style.fill_red; - out->style.fill_green = in->style.fill_green; - out->style.fill_blue = in->style.fill_blue; - out->style.fill_opacity = in->style.fill_opacity; - out->style.stroke = in->style.stroke; - out->style.no_stroke = in->style.no_stroke; - out->style.stroke_width = in->style.stroke_width; - out->style.stroke_linecap = in->style.stroke_linecap; - out->style.stroke_linejoin = in->style.stroke_linejoin; - out->style.stroke_miterlimit = in->style.stroke_miterlimit; - out->style.stroke_dashitems = 0; - out->style.stroke_dasharray = NULL; - if (in->style.stroke_dashitems > 0) - { - out->style.stroke_dashitems = in->style.stroke_dashitems; - if (out->style.stroke_dasharray != NULL) - free (out->style.stroke_dasharray); - out->style.stroke_dasharray = NULL; - if (in->style.stroke_dashitems > 0) - { - int i; - out->style.stroke_dasharray = - malloc (sizeof (double) * in->style.stroke_dashitems); - for (i = 0; i < in->style.stroke_dashitems; i++) - out->style.stroke_dasharray[i] = - in->style.stroke_dasharray[i]; - } - out->style.stroke_dashoffset = in->style.stroke_dashoffset; - } - out->style.stroke_url = NULL; - out->style.stroke_pointer = NULL; - if (in->style.stroke_url != NULL) - gg_svg_add_stroke_gradient_url (&(out->style), in->style.stroke_url); - out->style.stroke_red = in->style.stroke_red; - out->style.stroke_green = in->style.stroke_green; - out->style.stroke_blue = in->style.stroke_blue; - out->style.stroke_opacity = in->style.stroke_opacity; - out->style.clip_url = NULL; - out->style.clip_pointer = NULL; - if (in->style.clip_url != NULL) - gg_svg_add_clip_url (&(out->style), in->style.clip_url); - out->first_trans = NULL; - out->last_trans = NULL; - pt = in->first_trans; - while (pt) - { - /* clonig all transformations */ - trans = gg_svg_clone_transform (pt); - if (out->first_trans == NULL) - out->first_trans = trans; - if (out->last_trans != NULL) - out->last_trans->next = trans; - out->last_trans = trans; - pt = pt->next; - } - out->is_defs = 0; - out->is_flow_root = 0; - out->next = NULL; - if (use != NULL) - { - /* adding the Use-level defs */ - pt = use->first_trans; - while (pt) - { - /* clonig all Use transformations */ - trans = gg_svg_clone_transform (pt); - if (out->first_trans == NULL) - out->first_trans = trans; - if (out->last_trans != NULL) - out->last_trans->next = trans; - out->last_trans = trans; - pt = pt->next; - } - if (use->x != DBL_MAX || use->y != DBL_MAX) - { - /* adding the implict Use Translate transformation */ - struct gg_svg_translate *translate = NULL; - if (use->x != DBL_MAX && use->y != DBL_MAX) - translate = gg_svg_alloc_translate (use->x, use->y); - else if (use->x != DBL_MAX) - translate = gg_svg_alloc_translate (use->x, 0.0); - else if (use->y != DBL_MAX) - translate = gg_svg_alloc_translate (0.0, use->y); - trans = gg_svg_alloc_transform (GG_SVG_TRANSLATE, translate); - if (out->first_trans == NULL) - out->first_trans = trans; - if (out->last_trans != NULL) - out->last_trans->next = trans; - out->last_trans = trans; - } - /* Use-level styles */ - if (use->style.visibility >= 0) - out->style.visibility = use->style.visibility; - out->style.opacity = use->style.opacity; - if (use->style.fill >= 0) - out->style.fill = use->style.fill; - if (use->style.no_fill >= 0) - out->style.no_fill = use->style.no_fill; - if (use->style.fill_rule >= 0) - out->style.fill_rule = use->style.fill_rule; - if (use->style.fill_url != NULL) - gg_svg_add_fill_gradient_url (&(out->style), use->style.fill_url); - if (use->style.fill_red >= 0.0) - out->style.fill_red = use->style.fill_red; - if (use->style.fill_green >= 0.0) - out->style.fill_green = use->style.fill_green; - if (use->style.fill_blue >= 0.0) - out->style.fill_blue = use->style.fill_blue; - if (use->style.fill_opacity >= 0.0) - out->style.fill_opacity = use->style.fill_opacity; - if (use->style.stroke >= 0) - out->style.stroke = use->style.stroke; - if (use->style.no_stroke >= 0) - out->style.no_stroke = use->style.no_stroke; - if (use->style.stroke_width >= 0.0) - out->style.stroke_width = use->style.stroke_width; - if (use->style.stroke_linecap >= 0) - out->style.stroke_linecap = use->style.stroke_linecap; - if (use->style.stroke_linejoin >= 0) - out->style.stroke_linejoin = use->style.stroke_linejoin; - if (use->style.stroke_miterlimit >= 0.0) - out->style.stroke_miterlimit = use->style.stroke_miterlimit; - if (use->style.stroke_dashitems > 0) - { - out->style.stroke_dashitems = use->style.stroke_dashitems; - if (out->style.stroke_dasharray != NULL) - free (out->style.stroke_dasharray); - out->style.stroke_dasharray = NULL; - if (use->style.stroke_dashitems > 0) - { - int i; - out->style.stroke_dasharray = - malloc (sizeof (double) * - use->style.stroke_dashitems); - for (i = 0; i < use->style.stroke_dashitems; i++) - out->style.stroke_dasharray[i] = - use->style.stroke_dasharray[i]; - } - out->style.stroke_dashoffset = use->style.stroke_dashoffset; - } - if (use->style.stroke_url != NULL) - gg_svg_add_stroke_gradient_url (&(out->style), - use->style.stroke_url); - if (use->style.stroke_red >= 0.0) - out->style.stroke_red = use->style.stroke_red; - if (use->style.stroke_green >= 0.0) - out->style.stroke_green = use->style.stroke_green; - if (use->style.stroke_blue >= 0.0) - out->style.stroke_blue = use->style.stroke_blue; - if (use->style.stroke_opacity >= 0.0) - out->style.stroke_opacity = use->style.stroke_opacity; - if (use->style.clip_url != NULL) - gg_svg_add_clip_url (&(out->style), use->style.clip_url); - } - return out; -} - -GGRAPH_PRIVATE void -gg_svg_add_shape_id (struct gg_svg_shape *shape, const char *id) -{ -/* setting the ID for some Shape */ - int len = strlen (id); - if (shape->id != NULL) - free (shape->id); - shape->id = malloc (len + 1); - strcpy (shape->id, id); -} - -GGRAPH_PRIVATE struct gg_svg_use * -gg_svg_alloc_use (void *parent, const char *xlink_href, double x, double y, - double width, double height) -{ -/* allocating and initializing an empty SVG Use (xlink:href) */ - int len = strlen (xlink_href); - struct gg_svg_use *p = malloc (sizeof (struct gg_svg_use)); - p->xlink_href = malloc (len + 1); - strcpy (p->xlink_href, xlink_href); - p->x = x; - p->y = y; - p->width = width; - p->height = height; - p->parent = parent; - p->style.visibility = -1; - p->style.opacity = 1.0; - p->style.fill = -1; - p->style.no_fill = -1; - p->style.fill_rule = -1; - p->style.fill_url = NULL; - p->style.fill_pointer = NULL; - p->style.fill_red = -1.0; - p->style.fill_green = -1.0; - p->style.fill_blue = -1.0; - p->style.fill_opacity = -1.0; - p->style.stroke = -1; - p->style.no_stroke = -1; - p->style.stroke_width = -1.0; - p->style.stroke_linecap = -1; - p->style.stroke_linejoin = -1; - p->style.stroke_miterlimit = -1.0; - p->style.stroke_dashitems = 0; - p->style.stroke_dasharray = NULL; - p->style.stroke_dashoffset = 0.0; - p->style.stroke_url = NULL; - p->style.stroke_pointer = NULL; - p->style.stroke_red = -1.0; - p->style.stroke_green = -1.0; - p->style.stroke_blue = -1.0; - p->style.stroke_opacity = -1.0; - p->style.clip_url = NULL; - p->style.clip_pointer = NULL; - p->first_trans = NULL; - p->last_trans = NULL; - p->next = NULL; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_use * -gg_svg_clone_use (struct gg_svg_use *in) -{ -/* cloning an SVG Use (xlink:href) */ - struct gg_svg_transform *pt; - struct gg_svg_transform *trans; - int len = strlen (in->xlink_href); - struct gg_svg_use *out = malloc (sizeof (struct gg_svg_use)); - out->xlink_href = malloc (len + 1); - strcpy (out->xlink_href, in->xlink_href); - out->x = in->x; - out->y = in->y; - out->width = in->width; - out->height = in->height; - out->parent = in->parent; - out->style.visibility = in->style.visibility; - out->style.opacity = in->style.opacity; - out->style.fill = in->style.fill; - out->style.no_fill = in->style.no_fill; - out->style.fill_rule = in->style.fill_rule; - out->style.fill_url = NULL; - out->style.fill_pointer = NULL; - if (in->style.fill_url != NULL) - gg_svg_add_fill_gradient_url (&(out->style), in->style.fill_url); - out->style.fill_red = in->style.fill_red; - out->style.fill_green = in->style.fill_green; - out->style.fill_blue = in->style.fill_blue; - out->style.fill_opacity = in->style.fill_opacity; - out->style.stroke = in->style.stroke; - out->style.no_stroke = in->style.no_stroke; - out->style.stroke_width = in->style.stroke_width; - out->style.stroke_linecap = in->style.stroke_linecap; - out->style.stroke_linejoin = in->style.stroke_linejoin; - out->style.stroke_miterlimit = in->style.stroke_miterlimit; - out->style.stroke_dashitems = 0; - out->style.stroke_dasharray = NULL; - if (in->style.stroke_dashitems > 0) - { - out->style.stroke_dashitems = in->style.stroke_dashitems; - if (out->style.stroke_dasharray != NULL) - free (out->style.stroke_dasharray); - out->style.stroke_dasharray = NULL; - if (in->style.stroke_dashitems > 0) - { - int i; - out->style.stroke_dasharray = - malloc (sizeof (double) * in->style.stroke_dashitems); - for (i = 0; i < in->style.stroke_dashitems; i++) - out->style.stroke_dasharray[i] = - in->style.stroke_dasharray[i]; - } - out->style.stroke_dashoffset = in->style.stroke_dashoffset; - } - out->style.stroke_url = NULL; - out->style.stroke_pointer = NULL; - if (in->style.stroke_url != NULL) - gg_svg_add_stroke_gradient_url (&(out->style), in->style.stroke_url); - out->style.stroke_red = in->style.stroke_red; - out->style.stroke_green = in->style.stroke_green; - out->style.stroke_blue = in->style.stroke_blue; - out->style.stroke_opacity = in->style.stroke_opacity; - out->style.clip_url = NULL; - out->style.clip_pointer = NULL; - if (in->style.clip_url != NULL) - gg_svg_add_clip_url (&(out->style), in->style.clip_url); - out->first_trans = NULL; - out->last_trans = NULL; - pt = in->first_trans; - while (pt) - { - /* clonig all transformations */ - trans = gg_svg_clone_transform (pt); - if (out->first_trans == NULL) - out->first_trans = trans; - if (out->last_trans != NULL) - out->last_trans->next = trans; - out->last_trans = trans; - pt = pt->next; - } - out->next = NULL; - return out; -} - -GGRAPH_PRIVATE struct gg_svg_group * -gg_svg_alloc_group (void) -{ -/* allocating and initializing an empty SVG Group */ - struct gg_svg_group *p = malloc (sizeof (struct gg_svg_group)); - p->id = NULL; - p->style.visibility = -1; - p->style.opacity = 1.0; - p->style.fill = -1; - p->style.no_fill = -1; - p->style.fill_rule = -1; - p->style.fill_url = NULL; - p->style.fill_pointer = NULL; - p->style.fill_red = -1.0; - p->style.fill_green = -1.0; - p->style.fill_blue = -1.0; - p->style.fill_opacity = -1.0; - p->style.stroke = -1; - p->style.no_stroke = -1; - p->style.stroke_width = -1.0; - p->style.stroke_linecap = -1; - p->style.stroke_linejoin = -1; - p->style.stroke_miterlimit = -1.0; - p->style.stroke_dashitems = 0; - p->style.stroke_dasharray = NULL; - p->style.stroke_dashoffset = 0.0; - p->style.stroke_url = NULL; - p->style.stroke_pointer = NULL; - p->style.stroke_red = -1.0; - p->style.stroke_green = -1.0; - p->style.stroke_blue = -1.0; - p->style.stroke_opacity = -1.0; - p->style.clip_url = NULL; - p->style.clip_pointer = NULL; - p->parent = NULL; - p->first = NULL; - p->last = NULL; - p->first_trans = NULL; - p->last_trans = NULL; - p->is_defs = 0; - p->is_flow_root = 0; - p->next = NULL; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_group * -gg_svg_clone_group (struct gg_svg_group *in, struct gg_svg_use *use) -{ -/* cloning an SVG Group */ - struct gg_svg_transform *pt; - struct gg_svg_transform *trans; - struct gg_svg_item *item; - struct gg_svg_item *itm; - struct gg_svg_group *out = malloc (sizeof (struct gg_svg_group)); - out->id = NULL; - out->style.visibility = in->style.visibility; - out->style.opacity = in->style.opacity; - out->style.fill = in->style.fill; - out->style.no_fill = in->style.no_fill; - out->style.fill_rule = in->style.fill_rule; - out->style.fill_url = NULL; - out->style.fill_pointer = NULL; - if (in->style.fill_url != NULL) - gg_svg_add_fill_gradient_url (&(out->style), in->style.fill_url); - out->style.fill_red = in->style.fill_red; - out->style.fill_green = in->style.fill_green; - out->style.fill_blue = in->style.fill_blue; - out->style.fill_opacity = in->style.fill_opacity; - out->style.stroke = in->style.stroke; - out->style.no_stroke = in->style.no_stroke; - out->style.stroke_width = in->style.stroke_width; - out->style.stroke_linecap = in->style.stroke_linecap; - out->style.stroke_linejoin = in->style.stroke_linejoin; - out->style.stroke_miterlimit = in->style.stroke_miterlimit; - out->style.stroke_dashitems = 0; - out->style.stroke_dasharray = NULL; - if (in->style.stroke_dashitems > 0) - { - out->style.stroke_dashitems = in->style.stroke_dashitems; - if (out->style.stroke_dasharray != NULL) - free (out->style.stroke_dasharray); - out->style.stroke_dasharray = NULL; - if (in->style.stroke_dashitems > 0) - { - int i; - out->style.stroke_dasharray = - malloc (sizeof (double) * in->style.stroke_dashitems); - for (i = 0; i < in->style.stroke_dashitems; i++) - out->style.stroke_dasharray[i] = - in->style.stroke_dasharray[i]; - } - out->style.stroke_dashoffset = in->style.stroke_dashoffset; - } - out->style.stroke_url = NULL; - out->style.stroke_pointer = NULL; - if (in->style.stroke_url != NULL) - gg_svg_add_stroke_gradient_url (&(out->style), in->style.stroke_url); - out->style.stroke_red = in->style.stroke_red; - out->style.stroke_green = in->style.stroke_green; - out->style.stroke_blue = in->style.stroke_blue; - out->style.stroke_opacity = in->style.stroke_opacity; - out->style.clip_url = NULL; - out->style.clip_pointer = NULL; - if (in->style.clip_url != NULL) - gg_svg_add_clip_url (&(out->style), in->style.clip_url); - if (use != NULL) - out->parent = use->parent; - else - out->parent = in->parent; - out->first = NULL; - out->last = NULL; - out->is_defs = 0; - out->is_flow_root = 0; - item = in->first; - while (item) - { - /* looping on Group Items */ - itm = gg_svg_clone_item (item); - gg_svg_set_group_parent (itm, out); - if (out->first == NULL) - out->first = itm; - if (out->last != NULL) - out->last->next = itm; - out->last = itm; - item = item->next; - } - out->first_trans = NULL; - out->last_trans = NULL; - out->next = NULL; - if (use != NULL) - { - /* adding the Use-level defs */ - pt = use->first_trans; - while (pt) - { - /* clonig all Use transformations */ - trans = gg_svg_clone_transform (pt); - if (out->first_trans == NULL) - out->first_trans = trans; - if (out->last_trans != NULL) - out->last_trans->next = trans; - out->last_trans = trans; - pt = pt->next; - } - } - pt = in->first_trans; - while (pt) - { - /* clonig all transformations */ - trans = gg_svg_clone_transform (pt); - if (out->first_trans == NULL) - out->first_trans = trans; - if (out->last_trans != NULL) - out->last_trans->next = trans; - out->last_trans = trans; - pt = pt->next; - } - if (use != NULL) - { - /* adding the Use-level defs */ - if (use->x != DBL_MAX || use->y != DBL_MAX) - { - /* adding the implict Use Translate transformation */ - struct gg_svg_translate *translate = NULL; - if (use->x != DBL_MAX && use->y != DBL_MAX) - translate = gg_svg_alloc_translate (use->x, use->y); - else if (use->x != DBL_MAX) - translate = gg_svg_alloc_translate (use->x, 0.0); - else if (use->y != DBL_MAX) - translate = gg_svg_alloc_translate (0.0, use->y); - trans = gg_svg_alloc_transform (GG_SVG_TRANSLATE, translate); - if (out->first_trans == NULL) - out->first_trans = trans; - if (out->last_trans != NULL) - out->last_trans->next = trans; - out->last_trans = trans; - } - /* Use-level styles */ - if (use->style.visibility >= 0) - out->style.visibility = use->style.visibility; - out->style.opacity = use->style.opacity; - if (use->style.fill >= 0) - out->style.fill = use->style.fill; - if (use->style.no_fill >= 0) - out->style.no_fill = use->style.no_fill; - if (use->style.fill_rule >= 0) - out->style.fill_rule = use->style.fill_rule; - if (use->style.fill_url != NULL) - gg_svg_add_fill_gradient_url (&(out->style), use->style.fill_url); - if (use->style.fill_red >= 0.0) - out->style.fill_red = use->style.fill_red; - if (use->style.fill_green >= 0.0) - out->style.fill_green = use->style.fill_green; - if (use->style.fill_blue >= 0.0) - out->style.fill_blue = use->style.fill_blue; - if (use->style.fill_opacity >= 0.0) - out->style.fill_opacity = use->style.fill_opacity; - if (use->style.stroke >= 0) - out->style.stroke = use->style.stroke; - if (use->style.no_stroke >= 0) - out->style.no_stroke = use->style.no_stroke; - if (use->style.stroke_width >= 0.0) - out->style.stroke_width = use->style.stroke_width; - if (use->style.stroke_linecap >= 0) - out->style.stroke_linecap = use->style.stroke_linecap; - if (use->style.stroke_linejoin >= 0) - out->style.stroke_linejoin = use->style.stroke_linejoin; - if (use->style.stroke_miterlimit >= 0.0) - out->style.stroke_miterlimit = use->style.stroke_miterlimit; - if (in->style.stroke_dashitems > 0) - { - out->style.stroke_dashitems = use->style.stroke_dashitems; - if (out->style.stroke_dasharray != NULL) - free (out->style.stroke_dasharray); - out->style.stroke_dasharray = NULL; - if (use->style.stroke_dashitems > 0) - { - int i; - out->style.stroke_dasharray = - malloc (sizeof (double) * - use->style.stroke_dashitems); - for (i = 0; i < use->style.stroke_dashitems; i++) - out->style.stroke_dasharray[i] = - use->style.stroke_dasharray[i]; - } - out->style.stroke_dashoffset = use->style.stroke_dashoffset; - } - if (use->style.stroke_url != NULL) - gg_svg_add_stroke_gradient_url (&(out->style), - use->style.stroke_url); - if (use->style.stroke_red >= 0.0) - out->style.stroke_red = use->style.stroke_red; - if (use->style.stroke_green >= 0.0) - out->style.stroke_green = use->style.stroke_green; - if (use->style.stroke_blue >= 0.0) - out->style.stroke_blue = use->style.stroke_blue; - if (use->style.stroke_opacity >= 0.0) - out->style.stroke_opacity = use->style.stroke_opacity; - if (use->style.clip_url != NULL) - gg_svg_add_clip_url (&(out->style), use->style.clip_url); - } - out->next = NULL; - return out; -} - -GGRAPH_PRIVATE struct gg_svg_clip * -gg_svg_alloc_clip (void) -{ -/* allocating and initializing an empty SVG ClipPath */ - struct gg_svg_clip *p = malloc (sizeof (struct gg_svg_clip)); - p->id = NULL; - p->first = NULL; - p->last = NULL; - p->next = NULL; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_clip * -gg_svg_clone_clip (struct gg_svg_clip *in) -{ -/* cloning an SVG ClipPath */ - struct gg_svg_item *item; - struct gg_svg_item *itm; - struct gg_svg_clip *out = malloc (sizeof (struct gg_svg_clip)); - out->id = NULL; - out->first = NULL; - out->last = NULL; - item = in->first; - while (item) - { - /* looping on Group Items */ - itm = gg_svg_clone_item (item); - if (out->first == NULL) - out->first = itm; - if (out->last != NULL) - out->last->next = itm; - out->last = itm; - item = item->next; - } - out->next = NULL; - return out; -} - -GGRAPH_PRIVATE void -gg_svg_add_group_id (struct gg_svg_group *group, const char *id) -{ -/* setting the ID for some Group */ - int len = strlen (id); - if (group->id != NULL) - free (group->id); - group->id = malloc (len + 1); - strcpy (group->id, id); -} - -GGRAPH_PRIVATE void -gg_svg_add_clip_id (struct gg_svg_clip *clip, const char *id) -{ -/* setting the ID for some ClipPath */ - int len = strlen (id); - if (clip->id != NULL) - free (clip->id); - clip->id = malloc (len + 1); - strcpy (clip->id, id); -} - -GGRAPH_PRIVATE struct gg_svg_item * -gg_svg_alloc_item (int type, void *pointer) -{ -/* allocating and initializing an empty SVG item */ - struct gg_svg_item *p = malloc (sizeof (struct gg_svg_item)); - p->type = type; - p->pointer = pointer; - p->next = NULL; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_item * -gg_svg_clone_item (struct gg_svg_item *in) -{ -/* cloning an SVG item */ - struct gg_svg_group *group; - struct gg_svg_shape *shape; - struct gg_svg_use *use; - struct gg_svg_clip *clip; - struct gg_svg_item *p = malloc (sizeof (struct gg_svg_item)); - p->type = in->type; - switch (in->type) - { - case GG_SVG_ITEM_GROUP: - group = in->pointer; - p->pointer = gg_svg_clone_group (group, NULL); - break; - case GG_SVG_ITEM_SHAPE: - shape = in->pointer; - p->pointer = gg_svg_clone_shape (shape, NULL); - break; - case GG_SVG_ITEM_USE: - use = in->pointer; - p->pointer = gg_svg_clone_use (use); - case GG_SVG_ITEM_CLIP: - clip = in->pointer; - p->pointer = gg_svg_clone_clip (clip); - break; - }; - p->next = NULL; - return p; -} - -GGRAPH_PRIVATE void -gg_svg_set_group_parent (struct gg_svg_item *item, struct gg_svg_group *grp) -{ -/* cloning an SVG item */ - struct gg_svg_group *group; - struct gg_svg_shape *shape; - struct gg_svg_use *use; - switch (item->type) - { - case GG_SVG_ITEM_GROUP: - group = item->pointer; - group->parent = grp; - break; - case GG_SVG_ITEM_SHAPE: - shape = item->pointer; - shape->parent = grp; - break; - case GG_SVG_ITEM_USE: - use = item->pointer; - use->parent = grp; - break; - }; -} - -GGRAPH_PRIVATE struct gg_svg_gradient_stop * -gg_svg_alloc_gradient_stop (double offset, double red, double green, - double blue, double opacity) -{ -/* allocating and initializing an SVG GradientStop */ - struct gg_svg_gradient_stop *p = - malloc (sizeof (struct gg_svg_gradient_stop)); - p->offset = offset; - p->red = red; - p->green = green; - p->blue = blue; - p->opacity = opacity; - p->next = NULL; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_gradient_stop * -gg_svg_clone_gradient_stop (struct gg_svg_gradient_stop *in) -{ -/* cloning an SVG GradientStop */ - struct gg_svg_gradient_stop *out = - malloc (sizeof (struct gg_svg_gradient_stop)); - out->offset = in->offset; - out->red = in->red; - out->green = in->green; - out->blue = in->blue; - out->opacity = in->opacity; - out->next = NULL; - return out; -} - -GGRAPH_PRIVATE struct gg_svg_gradient * -gg_svg_alloc_gradient (void) -{ -/* allocating and initializing an empty SVG Gradient */ - struct gg_svg_gradient *p = malloc (sizeof (struct gg_svg_gradient)); - p->type = -1; - p->id = NULL; - p->xlink_href = NULL; - p->gradient_units = -1; - p->x1 = DBL_MAX; - p->y1 = DBL_MAX; - p->x2 = DBL_MAX; - p->y2 = DBL_MAX; - p->cx = DBL_MAX; - p->cy = DBL_MAX; - p->fx = DBL_MAX; - p->fy = DBL_MAX; - p->r = DBL_MAX; - p->first_trans = NULL; - p->last_trans = NULL; - p->first_stop = NULL; - p->last_stop = NULL; - p->next = NULL; - p->prev = NULL; - return p; -} - -GGRAPH_PRIVATE struct gg_svg_gradient * -gg_svg_clone_gradient (struct gg_svg_gradient *in, struct gg_svg_gradient *old) -{ -/* cloning an SVG Gradient */ - struct gg_svg_transform *pt; - struct gg_svg_transform *trans; - struct gg_svg_gradient_stop *ps; - struct gg_svg_gradient_stop *stop; - int len; - struct gg_svg_gradient *out = malloc (sizeof (struct gg_svg_gradient)); - out->type = old->type; - out->id = NULL; - out->xlink_href = NULL; - if (old->id != NULL) - { - len = strlen (old->id); - out->id = malloc (len + 1); - strcpy (out->id, old->id); - } - if (old->xlink_href != NULL) - { - len = strlen (old->xlink_href); - out->xlink_href = malloc (len + 1); - strcpy (out->xlink_href, old->xlink_href); - } - out->gradient_units = in->gradient_units; - if (old->gradient_units >= 0) - out->gradient_units = old->gradient_units; - out->x1 = in->x1; - if (old->x1 != DBL_MAX) - out->x1 = old->x1; - out->y1 = in->y1; - if (old->y1 != DBL_MAX) - out->y1 = old->y1; - out->x2 = in->x2; - if (old->x2 != DBL_MAX) - out->x2 = old->x2; - out->y2 = in->y2; - if (old->y2 != DBL_MAX) - out->y2 = old->y2; - out->cx = in->cx; - if (old->cx != DBL_MAX) - out->cx = old->cx; - out->cy = in->cy; - if (old->cy != DBL_MAX) - out->cy = old->cy; - out->fx = in->fx; - if (old->fx != DBL_MAX) - out->fx = old->fx; - out->fy = in->fy; - if (old->fy != DBL_MAX) - out->fy = old->fy; - out->r = in->r; - if (old->r != DBL_MAX) - out->r = old->r; - out->first_trans = NULL; - out->last_trans = NULL; - out->first_stop = NULL; - out->last_stop = NULL; - pt = in->first_trans; - while (pt) - { - /* clonig all inherited transformations */ - trans = gg_svg_clone_transform (pt); - if (out->first_trans == NULL) - out->first_trans = trans; - if (out->last_trans != NULL) - out->last_trans->next = trans; - out->last_trans = trans; - pt = pt->next; - } - pt = old->first_trans; - while (pt) - { - /* clonig all direct transformations */ - trans = gg_svg_clone_transform (pt); - if (out->first_trans == NULL) - out->first_trans = trans; - if (out->last_trans != NULL) - out->last_trans->next = trans; - out->last_trans = trans; - pt = pt->next; - } - ps = in->first_stop; - while (ps) - { - /* clonig all inherited Stops */ - stop = gg_svg_clone_gradient_stop (ps); - if (out->first_stop == NULL) - out->first_stop = stop; - if (out->last_stop != NULL) - out->last_stop->next = stop; - out->last_stop = stop; - ps = ps->next; - } - ps = old->first_stop; - while (ps) - { - /* clonig all inherited Stops */ - stop = gg_svg_clone_gradient_stop (ps); - if (out->first_stop == NULL) - out->first_stop = stop; - if (out->last_stop != NULL) - out->last_stop->next = stop; - out->last_stop = stop; - ps = ps->next; - } - out->next = NULL; - out->prev = NULL; - return out; -} - -GGRAPH_PRIVATE struct gg_svg_document * -gg_svg_alloc_document (void) -{ -/* allocating and initializing an empty SVG Document */ - struct gg_svg_document *p = malloc (sizeof (struct gg_svg_document)); - p->signature = GG_GRAPHICS_SVG_MAGIC_SIGNATURE; - p->width = 0.0; - p->height = 0.0; - p->viewbox_x = DBL_MIN; - p->viewbox_y = DBL_MIN; - p->viewbox_width = DBL_MIN; - p->viewbox_height = DBL_MIN; - p->first = NULL; - p->last = NULL; - p->first_grad = NULL; - p->last_grad = NULL; - p->current_group = NULL; - p->current_shape = NULL; - p->current_clip = NULL; - p->defs_count = 0; - p->flow_root_count = 0; - return p; -} - -GGRAPH_PRIVATE void -gg_svg_close_group (struct gg_svg_document *gg_svg_doc) -{ -/* closing the current SVG Group */ - struct gg_svg_group *group = gg_svg_doc->current_group; - gg_svg_doc->current_group = group->parent; -} - -GGRAPH_PRIVATE void -gg_svg_insert_group (struct gg_svg_document *gg_svg_doc) -{ -/* inserting a new Group into the SVG Document */ - struct gg_svg_item *item; - struct gg_svg_group *parent; - struct gg_svg_group *group = gg_svg_alloc_group (); - if (gg_svg_doc->current_group != NULL) - { - /* nested group */ - parent = gg_svg_doc->current_group; - group->parent = parent; - if (gg_svg_doc->defs_count > 0) - group->is_defs = 1; - if (gg_svg_doc->flow_root_count > 0) - group->is_flow_root = 1; - item = gg_svg_alloc_item (GG_SVG_ITEM_GROUP, group); - if (parent->first == NULL) - parent->first = item; - if (parent->last != NULL) - parent->last->next = item; - parent->last = item; - gg_svg_doc->current_group = group; - return; - } - if (gg_svg_doc->current_clip != NULL) - { - /* ClipPath group */ - if (gg_svg_doc->defs_count > 0) - group->is_defs = 1; - if (gg_svg_doc->flow_root_count > 0) - group->is_flow_root = 1; - item = gg_svg_alloc_item (GG_SVG_ITEM_GROUP, group); - if (gg_svg_doc->current_clip->first == NULL) - gg_svg_doc->current_clip->first = item; - if (gg_svg_doc->current_clip->last != NULL) - gg_svg_doc->current_clip->last->next = item; - gg_svg_doc->current_clip->last = item; - gg_svg_doc->current_group = group; - return; - } -/* first level Group */ - parent = gg_svg_doc->current_group; - group->parent = parent; - if (gg_svg_doc->defs_count > 0) - group->is_defs = 1; - if (gg_svg_doc->flow_root_count > 0) - group->is_flow_root = 1; - item = gg_svg_alloc_item (GG_SVG_ITEM_GROUP, group); - if (gg_svg_doc->first == NULL) - gg_svg_doc->first = item; - if (gg_svg_doc->last != NULL) - gg_svg_doc->last->next = item; - gg_svg_doc->last = item; - gg_svg_doc->current_group = group; -} - -GGRAPH_PRIVATE void -gg_svg_close_clip (struct gg_svg_document *gg_svg_doc) -{ -/* closing the current SVG ClipPath */ - gg_svg_doc->current_clip = NULL; -} - -GGRAPH_PRIVATE void -gg_svg_insert_clip (struct gg_svg_document *gg_svg_doc) -{ -/* inserting a new ClipPath into the SVG Document */ - struct gg_svg_item *item; - struct gg_svg_clip *clip = gg_svg_alloc_clip (); - item = gg_svg_alloc_item (GG_SVG_ITEM_CLIP, clip); - if (gg_svg_doc->first == NULL) - gg_svg_doc->first = item; - if (gg_svg_doc->last != NULL) - gg_svg_doc->last->next = item; - gg_svg_doc->last = item; - gg_svg_doc->current_clip = clip; -} - -GGRAPH_PRIVATE struct gg_svg_use * -gg_svg_insert_use (struct gg_svg_document *gg_svg_doc, const char *xlink_href, - double x, double y, double width, double height) -{ -/* inserting a new Use (xlink:href) into the SVG Document */ - struct gg_svg_use *use; - struct gg_svg_group *group; - struct gg_svg_clip *clip; - struct gg_svg_item *item; - - if (gg_svg_doc->current_group == NULL && gg_svg_doc->current_clip == NULL) - { - /* inserting directly into the Document */ - use = gg_svg_alloc_use (NULL, xlink_href, x, y, width, height); - item = gg_svg_alloc_item (GG_SVG_ITEM_USE, use); - if (gg_svg_doc->first == NULL) - gg_svg_doc->first = item; - if (gg_svg_doc->last != NULL) - gg_svg_doc->last->next = item; - gg_svg_doc->last = item; - } - else if (gg_svg_doc->current_clip != NULL) - { - /* inserting into the current ClipPath */ - clip = gg_svg_doc->current_clip; - use = gg_svg_alloc_use (clip, xlink_href, x, y, width, height); - item = gg_svg_alloc_item (GG_SVG_ITEM_USE, use); - if (clip->first == NULL) - clip->first = item; - if (clip->last != NULL) - clip->last->next = item; - clip->last = item; - } - else if (gg_svg_doc->current_group != NULL) - { - /* inserting into the current Group */ - group = gg_svg_doc->current_group; - use = gg_svg_alloc_use (group, xlink_href, x, y, width, height); - item = gg_svg_alloc_item (GG_SVG_ITEM_USE, use); - if (group->first == NULL) - group->first = item; - if (group->last != NULL) - group->last->next = item; - group->last = item; - } - return use; -} - -GGRAPH_PRIVATE void -gg_svg_insert_shape (struct gg_svg_document *gg_svg_doc, int type, void *data) -{ -/* inserting a new Shape into the SVG Document */ - struct gg_svg_group *group; - struct gg_svg_shape *shape; - struct gg_svg_clip *clip; - struct gg_svg_item *item; - - if (gg_svg_doc->current_group == NULL && gg_svg_doc->current_clip == NULL) - { - /* inserting directly into the Document */ - shape = gg_svg_alloc_shape (type, data, NULL); - if (gg_svg_doc->defs_count > 0) - shape->is_defs = 1; - if (gg_svg_doc->flow_root_count > 0) - shape->is_flow_root = 1; - item = gg_svg_alloc_item (GG_SVG_ITEM_SHAPE, shape); - if (gg_svg_doc->first == NULL) - gg_svg_doc->first = item; - if (gg_svg_doc->last != NULL) - gg_svg_doc->last->next = item; - gg_svg_doc->last = item; - } - else if (gg_svg_doc->current_group != NULL) - { - /* inserting into the current Group */ - group = gg_svg_doc->current_group; - shape = gg_svg_alloc_shape (type, data, group); - if (gg_svg_doc->defs_count > 0) - shape->is_defs = 1; - if (gg_svg_doc->flow_root_count > 0) - shape->is_flow_root = 1; - item = gg_svg_alloc_item (GG_SVG_ITEM_SHAPE, shape); - if (group->first == NULL) - group->first = item; - if (group->last != NULL) - group->last->next = item; - group->last = item; - } - else if (gg_svg_doc->current_clip != NULL) - { - /* inserting into the current ClipPath */ - clip = gg_svg_doc->current_clip; - shape = gg_svg_alloc_shape (type, data, NULL); - if (gg_svg_doc->defs_count > 0) - shape->is_defs = 1; - if (gg_svg_doc->flow_root_count > 0) - shape->is_flow_root = 1; - item = gg_svg_alloc_item (GG_SVG_ITEM_SHAPE, shape); - if (clip->first == NULL) - clip->first = item; - if (clip->last != NULL) - clip->last->next = item; - clip->last = item; - } - gg_svg_doc->current_shape = shape; -} - -GGRAPH_PRIVATE void -gg_svg_insert_gradient_stop (struct gg_svg_gradient *gradient, - double offset, double red, double green, - double blue, double opacity) -{ -/* inserting a Stop into a Gradient */ - struct gg_svg_gradient_stop *stop = - gg_svg_alloc_gradient_stop (offset, red, green, blue, opacity); - if (gradient->first_stop == NULL) - gradient->first_stop = stop; - if (gradient->last_stop != NULL) - gradient->last_stop->next = stop; - gradient->last_stop = stop; -} - -GGRAPH_PRIVATE struct gg_svg_gradient * -gg_svg_insert_linear_gradient (struct gg_svg_document *gg_svg_doc, - const char *id, const char *xlink_href, - double x1, double y1, double x2, double y2, - int units) -{ -/* inserting a new Linear Gradient into the SVG Document */ - int len; - struct gg_svg_gradient *gradient = gg_svg_alloc_gradient (); - gradient->type = GG_SVG_LINEAR_GRADIENT; - gradient->id = NULL; - if (id != NULL) - { - len = strlen (id); - gradient->id = malloc (len + 1); - strcpy (gradient->id, id); - } - gradient->xlink_href = NULL; - if (xlink_href != NULL) - { - len = strlen (xlink_href); - gradient->xlink_href = malloc (len + 1); - strcpy (gradient->xlink_href, xlink_href); - } - gradient->gradient_units = units; - gradient->x1 = x1; - gradient->y1 = y1; - gradient->x2 = x2; - gradient->y2 = y2; - gradient->prev = gg_svg_doc->last_grad; - if (gg_svg_doc->first_grad == NULL) - gg_svg_doc->first_grad = gradient; - if (gg_svg_doc->last_grad != NULL) - gg_svg_doc->last_grad->next = gradient; - gg_svg_doc->last_grad = gradient; - return gradient; -} - -GGRAPH_PRIVATE struct gg_svg_gradient * -gg_svg_insert_radial_gradient (struct gg_svg_document *gg_svg_doc, - const char *id, const char *xlink_href, - double cx, double cy, double fx, double fy, - double r, int units) -{ -/* inserting a new Linear Gradient into the SVG Document */ - int len; - struct gg_svg_gradient *gradient = gg_svg_alloc_gradient (); - gradient->type = GG_SVG_RADIAL_GRADIENT; - gradient->id = NULL; - if (id != NULL) - { - len = strlen (id); - gradient->id = malloc (len + 1); - strcpy (gradient->id, id); - } - gradient->xlink_href = NULL; - if (xlink_href != NULL) - { - len = strlen (xlink_href); - gradient->xlink_href = malloc (len + 1); - strcpy (gradient->xlink_href, xlink_href); - } - gradient->gradient_units = units; - gradient->cx = cx; - gradient->cy = cy; - gradient->fx = fx; - gradient->fy = fy; - gradient->r = r; - gradient->prev = gg_svg_doc->last_grad; - if (gg_svg_doc->first_grad == NULL) - gg_svg_doc->first_grad = gradient; - if (gg_svg_doc->last_grad != NULL) - gg_svg_doc->last_grad->next = gradient; - gg_svg_doc->last_grad = gradient; - return gradient; -} DELETED src/gaiagraphics_svg_xml.c Index: src/gaiagraphics_svg_xml.c ================================================================== --- src/gaiagraphics_svg_xml.c +++ src/gaiagraphics_svg_xml.c @@ -1,2674 +0,0 @@ -/* -/ gaiagraphics_gg_svg_xml.c -/ -/ SVG - XML parsing methods -/ -/ version 1.0, 2013 February 10 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2013 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include -#include - -#include - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -struct gg_svg_dyn_point -{ -/* a temporary struct storing a Point */ - double x; - double y; - struct gg_svg_dyn_point *next; -}; - -struct gg_svg_dyn_points -{ -/* a linked list of temporary Points */ - struct gg_svg_dyn_point *first; - struct gg_svg_dyn_point *last; - int points; -}; - -static void -gg_svg_free_dyn_points (struct gg_svg_dyn_points *dyn) -{ -/* freeing the auxiliary DynPoints */ - struct gg_svg_dyn_point *pn; - struct gg_svg_dyn_point *p = dyn->first; - while (p) - { - pn = p->next; - free (p); - p = pn; - } -} - -static void -gg_svg_add_point (struct gg_svg_dyn_points *dyn, double x, double y) -{ - struct gg_svg_dyn_point *p = malloc (sizeof (struct gg_svg_dyn_point)); - p->x = x; - p->y = y; - p->next = NULL; - if (dyn->first == NULL) - dyn->first = p; - if (dyn->last != NULL) - dyn->last->next = p; - dyn->last = p; - dyn->points += 1; -} - -static void -gg_svg_parse_points (const char *str, int *points, double **p_x, double **p_y) -{ -/* attempting to parse a list of Coordinates */ - char value[1024]; - char *p_out = value; - const char *p_in = str; - double x; - double y; - char xy = 'x'; - struct gg_svg_dyn_points dyn; - - dyn.points = 0; - dyn.first = NULL; - dyn.last = NULL; - - while (1) - { - /* scanning the XML string */ - if (*p_in == '\0') - { - /* string end */ - *p_out = '\0'; - if (*value != '\0') - { - if (xy == 'y') - { - y = atof (value); - gg_svg_add_point (&dyn, x, y); - xy = 'x'; - } - else - x = atof (value); - } - break; - } - if (*p_in == '\n' || *p_in == ' ' || *p_in == '\t' || *p_in == '\r' - || *p_in == ',') - { - /* delimiter */ - *p_out = '\0'; - if (*value != '\0') - { - if (xy == 'y') - { - y = atof (value); - gg_svg_add_point (&dyn, x, y); - xy = 'x'; - } - else - x = atof (value); - } - if (*p_in == ',') - xy = 'y'; - p_out = value; - p_in++; - continue; - } - *p_out++ = *p_in++; - } - - if (dyn.points > 0) - { - /* creating the coord arrays to be returned */ - int iv = 0; - struct gg_svg_dyn_point *p = dyn.first; - double *xx = malloc (sizeof (double) * dyn.points); - double *yy = malloc (sizeof (double) * dyn.points); - while (p) - { - *(xx + iv) = p->x; - *(yy + iv) = p->y; - iv++; - p = p->next; - } - *points = dyn.points; - *p_x = xx; - *p_y = yy; - } - else - { - /* returning an empty list of coords */ - *points = 0; - *p_x = NULL; - *p_y = NULL; - } -/* freeing the DynPoints */ - gg_svg_free_dyn_points (&dyn); -} - -static double -gg_svg_parse_hex_color (char hi, char lo) -{ -/* parsing and hex Color value */ - double color = 0; - switch (hi) - { - case '1': - color = 16; - break; - case '2': - color = 16 * 2; - break; - case '3': - color = 16 * 3; - break; - case '4': - color = 16 * 4; - break; - case '5': - color = 16 * 5; - break; - case '6': - color = 16 * 6; - break; - case '7': - color = 16 * 7; - break; - case '8': - color = 16 * 8; - break; - case '9': - color = 16 * 9; - break; - case 'a': - case 'A': - color = 16 * 10; - break; - case 'b': - case 'B': - color = 16 * 11; - break; - case 'c': - case 'C': - color = 16 * 12; - break; - case 'd': - case 'D': - color = 16 * 13; - break; - case 'e': - case 'E': - color = 16 * 14; - break; - case 'f': - case 'F': - color = 16 * 15; - break; - }; - switch (lo) - { - case '1': - color += 1; - break; - case '2': - color += 2; - break; - case '3': - color += 3; - break; - case '4': - color += 4; - break; - case '5': - color += 5; - break; - case '6': - color += 6; - break; - case '7': - color += 7; - break; - case '8': - color += 8; - break; - case '9': - color += 9; - break; - case 'a': - case 'A': - color += 10; - break; - case 'b': - case 'B': - color += 11; - break; - case 'c': - case 'C': - color += 12; - break; - case 'd': - case 'D': - color += 13; - break; - case 'e': - case 'E': - color += 14; - break; - case 'f': - case 'F': - color += 15; - break; - }; - return color / 255.0; -} - -static void -gg_svg_from_named_color (char *buf, const char *color) -{ -/* translating some CSS name into an hex RGB */ - *buf = '\0'; - if (strcmp (color, "black") == 0) - strcpy (buf, "#000000"); - else if (strcmp (color, "silver") == 0) - strcpy (buf, "#C0C0C0"); - else if (strcmp (color, "gray") == 0) - strcpy (buf, "#808080"); - else if (strcmp (color, "white") == 0) - strcpy (buf, "#FFFFFF"); - else if (strcmp (color, "maroon") == 0) - strcpy (buf, "#800000"); - else if (strcmp (color, "red") == 0) - strcpy (buf, "#FF0000"); - else if (strcmp (color, "purple") == 0) - strcpy (buf, "#800080"); - else if (strcmp (color, "fuchsia") == 0) - strcpy (buf, "#FF00FF"); - else if (strcmp (color, "green") == 0) - strcpy (buf, "#008000"); - else if (strcmp (color, "lime") == 0) - strcpy (buf, "#00FF00"); - else if (strcmp (color, "olive") == 0) - strcpy (buf, "#808000"); - else if (strcmp (color, "yellow") == 0) - strcpy (buf, "#FFFF00"); - else if (strcmp (color, "navy") == 0) - strcpy (buf, "#000080"); - else if (strcmp (color, "blue") == 0) - strcpy (buf, "#0000FF"); - else if (strcmp (color, "teal") == 0) - strcpy (buf, "#008080"); - else if (strcmp (color, "aqua") == 0) - strcpy (buf, "#00FFFF"); -} - -static int -gg_svg_consume_float (const char **ptr, double *value) -{ -/* attempting to parse a Double value from a string */ - char buf[1024]; - char *p_out = buf; - const char *p_in = *ptr; - int count_e = 0; - int count_pt = 0; - if (ptr == NULL) - return 0; - if (*ptr == '\0') - return 0; - - while (1) - { - if (*p_in == '\0') - { - *p_out = '\0'; - *ptr = p_in; - break; - } - if (p_out == buf) - { - if (*p_in == '-' || *p_in == '+') - { - *p_out++ = *p_in++; - continue; - } - if (*p_in == ',' || *p_in == ' ' || *p_in == '\t' - || *p_in == '\r' || *p_in == '\n') - { - p_in++; - continue; - } - } - if (*p_in >= '0' && *p_in <= '9') - { - *p_out++ = *p_in++; - continue; - } - else if (*p_in == 'e' || *p_in == 'E') - { - count_e++; - *p_out++ = *p_in++; - if (*p_in == '-' || *p_in == '+') - *p_out++ = *p_in++; - continue; - } - else if (*p_in == '.') - { - count_pt++; - *p_out++ = *p_in++; - continue; - } - else - { - *p_out = '\0'; - switch (*p_in) - { - /* SVG Path keyword - unput */ - case 'C': - case 'c': - case 'S': - case 's': - case 'Q': - case 'q': - case 'T': - case 't': - case 'M': - case 'm': - case 'L': - case 'l': - case 'H': - case 'h': - case 'V': - case 'v': - case 'A': - case 'a': - case 'Z': - case 'z': - case '+': - case '-': - p_in--; - break; - }; - break; - } - } - if (count_pt > 1 || count_e > 1) - return 0; - if (*buf != '\0') - { - *value = atof (buf); - *ptr = p_in; - return 1; - } - return 0; -} - -static void -gg_svg_parse_path_d (struct gg_svg_path *path, const char *value) -{ -/* parsing an SVG Path */ - char keyword = '\0'; - int count = 0; - const char *p_in = value; - double coord; - double coord_array[7]; - double first_x = DBL_MAX; - double first_y = DBL_MAX; - double last_x = DBL_MAX; - double last_y = DBL_MAX; - double bezier_reflect_x; - double bezier_reflect_y; - double x; - double y; - double x1; - double y1; - double x2; - double y2; - void *data; - int last_m = 0; - - while (1) - { - if (*p_in == '\0') - break; - switch (*p_in) - { - case ' ': - case '\t': - case '\n': - case '\r': - break; - case 'Z': - case 'z': - gg_svg_add_path_item (path, GG_SVG_CLOSE_PATH, NULL); - last_x = first_x; - last_y = first_y; - keyword = '\0'; - break; - case 'C': - case 'c': - case 'S': - case 's': - case 'Q': - case 'q': - case 'T': - case 't': - keyword = *p_in; - break; - case 'M': - case 'm': - case 'L': - case 'l': - case 'H': - case 'h': - case 'V': - case 'v': - case 'A': - case 'a': - bezier_reflect_x = DBL_MAX; - bezier_reflect_y = DBL_MAX; /* invalidating Bezier reflect point */ - keyword = *p_in; - break; - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - case '.': - case '+': - case '-': - if (!gg_svg_consume_float (&p_in, &coord)) - { - path->error = 1; - return; - } - if (count < 7) - coord_array[count] = coord; - count++; - break; - default: - path->error = 1; - break; - }; - if (last_m && keyword == 'M') - keyword = 'L'; - if (last_m && keyword == 'm') - keyword = 'l'; - switch (keyword) - { - case 'M': - if (count == 2) - { - /* SVG Path MoveTo - absolute */ - data = - gg_svg_alloc_path_move (coord_array[0], - coord_array[1]); - gg_svg_add_path_item (path, GG_SVG_MOVE_TO, data); - count = 0; - last_x = coord_array[0]; - last_y = coord_array[1]; - first_x = last_x; - first_y = last_y; - last_m = 1; - } - break; - case 'm': - if (count == 2) - { - /* SVG Path MoveTo - relative */ - if (last_x == DBL_MAX || last_y == DBL_MAX) - { - /* assuming absolute coords */ - x = coord_array[0]; - y = coord_array[1]; - } - else - { - /* transforming relative coords into absolute */ - x = last_x + coord_array[0]; - y = last_y + coord_array[1]; - } - data = gg_svg_alloc_path_move (x, y); - gg_svg_add_path_item (path, GG_SVG_MOVE_TO, data); - count = 0; - last_x = x; - last_y = y; - last_m = 1; - first_x = last_x; - first_y = last_y; - } - break; - case 'L': - if (count == 2) - { - /* SVG Path LineTo - absolute */ - data = - gg_svg_alloc_path_move (coord_array[0], - coord_array[1]); - gg_svg_add_path_item (path, GG_SVG_LINE_TO, data); - count = 0; - last_x = coord_array[0]; - last_y = coord_array[1]; - last_m = 0; - } - break; - case 'l': - if (count == 2) - { - /* SVG Path LineTo - relative */ - if (last_x == DBL_MAX || last_y == DBL_MAX) - { - /* assuming absolute coords */ - x = coord_array[0]; - y = coord_array[1]; - } - else - { - /* transforming relative coords into absolute */ - x = last_x + coord_array[0]; - y = last_y + coord_array[1]; - } - data = gg_svg_alloc_path_move (x, y); - gg_svg_add_path_item (path, GG_SVG_LINE_TO, data); - count = 0; - last_x = x; - last_y = y; - last_m = 0; - } - break; - case 'H': - if (count == 1) - { - /* SVG Path Horizontal LineTo - absolute */ - data = gg_svg_alloc_path_move (coord_array[0], last_y); - gg_svg_add_path_item (path, GG_SVG_LINE_TO, data); - count = 0; - last_x = coord_array[0]; - last_m = 0; - } - break; - case 'h': - if (count == 1) - { - /* SVG Path Horizontal LineTo - relative */ - if (last_x == DBL_MAX) - { - /* assuming absolute coords */ - x = coord_array[0]; - } - else - { - /* transforming relative coords into absolute */ - x = last_x + coord_array[0]; - } - data = gg_svg_alloc_path_move (x, last_y); - gg_svg_add_path_item (path, GG_SVG_LINE_TO, data); - count = 0; - last_x = x; - last_m = 0; - } - break; - case 'V': - if (count == 1) - { - /* SVG Path Vertical LineTo - absolute */ - data = gg_svg_alloc_path_move (last_x, coord_array[0]); - gg_svg_add_path_item (path, GG_SVG_LINE_TO, data); - count = 0; - last_y = coord_array[0]; - last_m = 0; - } - break; - case 'v': - if (count == 1) - { - /* SVG Path Vertical LineTo - relative */ - if (last_y == DBL_MAX) - { - /* assuming absolute coords */ - y = coord_array[0]; - } - else - { - /* transforming relative coords into absolute */ - y = last_y + coord_array[0]; - } - data = gg_svg_alloc_path_move (last_x, y); - gg_svg_add_path_item (path, GG_SVG_LINE_TO, data); - count = 0; - last_y = y; - last_m = 0; - } - break; - case 'C': - if (count == 6) - { - /* SVG Path Cubic Bezier CurveTo - absolute */ - data = - gg_svg_alloc_path_bezier (coord_array[0], - coord_array[1], - coord_array[2], - coord_array[3], - coord_array[4], - coord_array[5]); - gg_svg_add_path_item (path, GG_SVG_CURVE_3, data); - count = 0; - last_x = coord_array[4]; - last_y = coord_array[5]; - /* reflection of the second control point */ - bezier_reflect_x = - coord_array[4] - (coord_array[2] - coord_array[4]); - bezier_reflect_y = - coord_array[5] - (coord_array[3] - coord_array[5]); - last_m = 0; - } - break; - case 'c': - if (count == 6) - { - /* SVG Path Cubic Bezier CurveTo - relative */ - if (last_x == DBL_MAX || last_y == DBL_MAX) - { - /* assuming absolute coords */ - x1 = coord_array[0]; - y1 = coord_array[1]; - x2 = coord_array[2]; - y2 = coord_array[3]; - x = coord_array[4]; - y = coord_array[5]; - } - else - { - /* transforming relative coords into absolute */ - x1 = last_x + coord_array[0]; - y1 = last_y + coord_array[1]; - x2 = last_x + coord_array[2]; - y2 = last_y + coord_array[3]; - x = last_x + coord_array[4]; - y = last_y + coord_array[5]; - } - data = gg_svg_alloc_path_bezier (x1, y1, x2, y2, x, y); - gg_svg_add_path_item (path, GG_SVG_CURVE_3, data); - count = 0; - last_x = x; - last_y = y; - /* reflection of the second control point */ - bezier_reflect_x = x - (x2 - x); - bezier_reflect_y = y - (y2 - y); - last_m = 0; - } - break; - case 'S': - if (count == 4) - { - /* SVG Path Cubic Bezier CurveTo [short] - absolute */ - if (bezier_reflect_x == DBL_MAX - || bezier_reflect_y == DBL_MAX) - { - /* assuming the current point as Bezier reflected point */ - bezier_reflect_x = coord_array[2]; - bezier_reflect_y = coord_array[3]; - } - data = - gg_svg_alloc_path_bezier (bezier_reflect_x, - bezier_reflect_y, - coord_array[0], - coord_array[1], - coord_array[2], - coord_array[3]); - gg_svg_add_path_item (path, GG_SVG_CURVE_3, data); - count = 0; - last_x = coord_array[2]; - last_y = coord_array[3]; - /* reflection of the second control point */ - bezier_reflect_x = - coord_array[2] - (coord_array[0] - coord_array[2]); - bezier_reflect_y = - coord_array[3] - (coord_array[1] - coord_array[3]); - last_m = 0; - } - break; - case 's': - if (count == 4) - { - /* SVG Path Cubic Bezier CurveTo [short] - relative */ - if (last_x == DBL_MAX || last_y == DBL_MAX) - { - /* assuming absolute coords */ - x2 = coord_array[0]; - y2 = coord_array[1]; - x = coord_array[2]; - y = coord_array[3]; - } - else - { - /* transforming relative coords into absolute */ - x2 = last_x + coord_array[0]; - y2 = last_y + coord_array[1]; - x = last_x + coord_array[2]; - y = last_y + coord_array[3]; - } - if (bezier_reflect_x == DBL_MAX - || bezier_reflect_y == DBL_MAX) - { - /* assuming the current point as Bezier reflected point */ - bezier_reflect_x = last_x; - bezier_reflect_y = last_y; - } - data = - gg_svg_alloc_path_bezier (bezier_reflect_x, - bezier_reflect_y, x2, y2, x, - y); - gg_svg_add_path_item (path, GG_SVG_CURVE_3, data); - count = 0; - last_x = x; - last_y = y; - /* reflection of the second control point */ - bezier_reflect_x = x - (x2 - x); - bezier_reflect_y = y - (y2 - y); - last_m = 0; - } - break; - case 'Q': - if (count == 4) - { - /* SVG Path Quadratic Bezier CurveTo - absolute */ - data = - gg_svg_alloc_path_bezier (coord_array[0], - coord_array[1], - coord_array[2], - coord_array[3], 0.0, 0.0); - gg_svg_add_path_item (path, GG_SVG_CURVE_4, data); - count = 0; - last_x = coord_array[2]; - last_y = coord_array[3]; - /* reflection of the control point */ - bezier_reflect_x = - coord_array[2] - (coord_array[0] - coord_array[2]); - bezier_reflect_y = - coord_array[3] - (coord_array[1] - coord_array[3]); - last_m = 0; - } - break; - case 'q': - if (count == 4) - { - /* SVG Path Quadratic Bezier CurveTo - relative */ - if (last_x == DBL_MAX || last_y == DBL_MAX) - { - /* assuming absolute coords */ - x1 = coord_array[0]; - y1 = coord_array[1]; - x = coord_array[2]; - y = coord_array[3]; - } - else - { - /* transforming relative coords into absolute */ - x1 = last_x + coord_array[0]; - y1 = last_y + coord_array[1]; - x = last_x + coord_array[2]; - y = last_y + coord_array[3]; - } - data = gg_svg_alloc_path_bezier (x1, y1, x, y, 0.0, 0.0); - gg_svg_add_path_item (path, GG_SVG_CURVE_4, data); - count = 0; - last_x = x; - last_y = y; - /* reflection of the control point */ - bezier_reflect_x = x - (x1 - x); - bezier_reflect_y = y - (y1 - y); - last_m = 0; - } - break; - case 'T': - if (count == 2) - { - /* SVG Path Quadratic Bezier CurveTo [short] - absolute */ - if (bezier_reflect_x == DBL_MAX - || bezier_reflect_y == DBL_MAX) - { - /* assuming the current point as Bezier reflected point */ - bezier_reflect_x = coord_array[0]; - bezier_reflect_y = coord_array[1]; - } - data = - gg_svg_alloc_path_bezier (bezier_reflect_x, - bezier_reflect_y, - coord_array[0], - coord_array[1], 0.0, 0.0); - gg_svg_add_path_item (path, GG_SVG_CURVE_4, data); - count = 0; - last_x = coord_array[0]; - last_y = coord_array[1]; - /* reflection of the control point */ - bezier_reflect_x = - coord_array[0] - (bezier_reflect_x - coord_array[0]); - bezier_reflect_y = - coord_array[1] - (bezier_reflect_y - coord_array[1]); - last_m = 0; - } - break; - case 't': - if (count == 2) - { - /* SVG Path Quadratic Bezier CurveTo [short] - relative */ - if (last_x == DBL_MAX || last_y == DBL_MAX) - { - /* assuming absolute coords */ - x = coord_array[0]; - y = coord_array[1]; - } - else - { - /* transforming relative coords into absolute */ - x = last_x + coord_array[0]; - y = last_y + coord_array[1]; - } - if (bezier_reflect_x == DBL_MAX - || bezier_reflect_y == DBL_MAX) - { - /* assuming the current point as Bezier reflected point */ - bezier_reflect_x = x; - bezier_reflect_y = y; - } - data = - gg_svg_alloc_path_bezier (bezier_reflect_x, - bezier_reflect_y, x, y, 0.0, - 0.0); - gg_svg_add_path_item (path, GG_SVG_CURVE_4, data); - count = 0; - last_x = x; - last_y = y; - /* reflection of the control point */ - bezier_reflect_x = x - (bezier_reflect_x - x); - bezier_reflect_y = y - (bezier_reflect_y - y); - last_m = 0; - } - break; - case 'A': - if (count == 7) - { - /* SVG Path EllipticalArc - absolute */ - data = - gg_svg_alloc_path_ellipt_arc (coord_array[0], - coord_array[1], - coord_array[2], - coord_array[3], - coord_array[4], - coord_array[5], - coord_array[6]); - gg_svg_add_path_item (path, GG_SVG_ELLIPT_ARC, data); - count = 0; - last_x = coord_array[5]; - last_y = coord_array[6]; - last_m = 0; - } - break; - case 'a': - if (count == 7) - { - /* SVG Path EllipticalArc - relative */ - if (last_x == DBL_MAX || last_y == DBL_MAX) - { - /* assuming absolute coords */ - x = coord_array[5]; - y = coord_array[6]; - } - else - { - /* transforming relative coords into absolute */ - x = last_x + coord_array[5]; - y = last_y + coord_array[6]; - } - if (coord_array[0] == 0.0 || coord_array[1] == 0.0) - { - /* ZERO radius: defaulting to a straight line */ - data = gg_svg_alloc_path_move (x, y); - gg_svg_add_path_item (path, GG_SVG_LINE_TO, data); - } - else - { - data = - gg_svg_alloc_path_ellipt_arc (coord_array[0], - coord_array[1], - coord_array[2], - coord_array[3], - coord_array[4], x, - y); - gg_svg_add_path_item (path, GG_SVG_ELLIPT_ARC, - data); - } - count = 0; - last_x = x; - last_y = y; - last_m = 0; - } - break; - }; - if (path->error) - return; - if (*p_in != '\0') - p_in++; - } -} - -static void -gg_svg_parse_display (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG Display attribute */ - style->fill = 1; - if (strcmp (value, "none") == 0) - style->visibility = 0; -} - -static void -gg_svg_parse_visibility (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG Visibility attribute */ - style->fill = 1; - if (strcmp (value, "hidden") == 0) - style->visibility = 0; -} - -static int -gg_svg_parse_fill_gradient_url (struct gg_svg_style *style, const char *color) -{ -/* parsing an SVG FillColor attribute (URL) */ - int len = strlen (color); - if (strncmp (color, "url(#", 5) == 0 && *(color + len - 1) == ')') - { - char buf[1024]; - strcpy (buf, color + 5); - len = strlen (buf); - buf[len - 1] = '\0'; - gg_svg_add_fill_gradient_url (style, buf); - style->fill = 1; - return 1; - } - return 0; -} - -static void -gg_svg_parse_fill_color (struct gg_svg_style *style, const char *color) -{ -/* parsing an SVG FillColor attribute */ - int len = strlen (color); - char buf[16]; - const char *p_color = NULL; - if (strcmp (color, "none") == 0) - { - style->no_fill = 1; - return; - } - if (gg_svg_parse_fill_gradient_url (style, color) == 1) - return; - style->fill = 1; - if (*color == '#' && len >= 7) - p_color = color; - else if (*color == '#' && len == 4) - { - buf[0] = *(color + 0); - buf[1] = *(color + 1); - buf[2] = *(color + 1); - buf[3] = *(color + 2); - buf[4] = *(color + 2); - buf[5] = *(color + 3); - buf[6] = *(color + 3); - p_color = buf; - } - else - { - gg_svg_from_named_color (buf, color); - if (*buf != '\0') - p_color = buf; - else - p_color = NULL; - } - if (p_color == NULL) - p_color = "#000000"; - style->fill_red = gg_svg_parse_hex_color (*(p_color + 1), *(p_color + 2)); - style->fill_green = gg_svg_parse_hex_color (*(p_color + 3), *(p_color + 4)); - style->fill_blue = gg_svg_parse_hex_color (*(p_color + 5), *(p_color + 6)); -} - -static void -gg_svg_parse_fill_rule (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG FillRule attribute */ - style->fill = 1; - if (strcmp (value, "evenodd") == 0) - style->stroke_linecap = CAIRO_FILL_RULE_EVEN_ODD; -} - -static void -gg_svg_parse_fill_opacity (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG FillOpacity attribute */ - style->fill = 1; - style->fill_opacity = atof (value); - if (style->fill_opacity <= 0.0 || style->fill_opacity >= 1.0) - style->fill_opacity = 1.0; -} - -static int -gg_svg_parse_stroke_gradient_url (struct gg_svg_style *style, const char *color) -{ -/* parsing an SVG StrokeColor attribute (URL) */ - int len = strlen (color); - if (strncmp (color, "url(#", 5) == 0 && *(color + len - 1) == ')') - { - char buf[1024]; - strcpy (buf, color + 5); - len = strlen (buf); - buf[len - 1] = '\0'; - gg_svg_add_stroke_gradient_url (style, buf); - return 1; - } - return 0; -} - -static void -gg_svg_parse_stroke_color (struct gg_svg_style *style, const char *color) -{ -/* parsing an SVG StrokeColor attribute */ - int len = strlen (color); - char buf[16]; - const char *p_color = NULL; - style->stroke = 1; - if (strcmp (color, "none") == 0) - { - style->no_stroke = 1; - return; - } - if (gg_svg_parse_stroke_gradient_url (style, color) == 1) - return; - if (*color == '#' && len >= 7) - p_color = color; - else if (*color == '#' && len == 4) - { - buf[0] = *(color + 0); - buf[1] = *(color + 1); - buf[2] = *(color + 1); - buf[3] = *(color + 2); - buf[4] = *(color + 2); - buf[5] = *(color + 3); - buf[6] = *(color + 3); - p_color = buf; - } - else - { - gg_svg_from_named_color (buf, color); - if (*color != '\0') - p_color = buf; - } - if (p_color == NULL) - p_color = "#000000"; - style->stroke_red = gg_svg_parse_hex_color (*(p_color + 1), *(p_color + 2)); - style->stroke_green = - gg_svg_parse_hex_color (*(p_color + 3), *(p_color + 4)); - style->stroke_blue = - gg_svg_parse_hex_color (*(p_color + 5), *(p_color + 6)); -} - -static void -gg_svg_parse_stop_color (const char *color, double *red, double *green, - double *blue) -{ -/* parsing an SVG StopColor attribute */ - int len = strlen (color); - char buf[16]; - const char *p_color = NULL; - if (strcmp (color, "none") == 0) - { - *red = -1.0; - *green = -1.0; - *blue = -1.0; - return; - } - if (*color == '#' && len >= 7) - p_color = color; - else if (*color == '#' && len == 4) - { - buf[0] = *(color + 0); - buf[1] = *(color + 1); - buf[2] = *(color + 1); - buf[3] = *(color + 2); - buf[4] = *(color + 2); - buf[5] = *(color + 3); - buf[6] = *(color + 3); - p_color = buf; - } - else - { - gg_svg_from_named_color (buf, color); - if (*color != '\0') - p_color = buf; - } - if (p_color == NULL) - p_color = "#000000"; - *red = gg_svg_parse_hex_color (*(p_color + 1), *(p_color + 2)); - *green = gg_svg_parse_hex_color (*(p_color + 3), *(p_color + 4)); - *blue = gg_svg_parse_hex_color (*(p_color + 5), *(p_color + 6)); -} - -static void -gg_svg_parse_stroke_width (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG StrokeWidth attribute */ - style->stroke = 1; - style->stroke_width = atof (value); - if (style->stroke_width <= 0.0) - style->stroke_width = 1.0; -} - -static void -gg_svg_parse_stroke_linecap (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG StrokeLineCap attribute */ - style->stroke = 1; - if (strcmp (value, "round") == 0) - style->stroke_linecap = CAIRO_LINE_CAP_ROUND; - if (strcmp (value, "square") == 0) - style->stroke_linecap = CAIRO_LINE_CAP_SQUARE; -} - -static void -gg_svg_parse_stroke_linejoin (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG StrokeLineJoin attribute */ - style->stroke = 1; - if (strcmp (value, "round") == 0) - style->stroke_linejoin = CAIRO_LINE_JOIN_ROUND; - if (strcmp (value, "bevel") == 0) - style->stroke_linejoin = CAIRO_LINE_JOIN_BEVEL; -} - -static void -gg_svg_parse_stroke_miterlimit (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG MiterLimit attribute */ - style->stroke = 1; - style->stroke_miterlimit = atof (value); - if (style->stroke_miterlimit <= 0.0) - style->stroke_miterlimit = 10.0; -} - -static void -gg_svg_parse_stroke_dashoffset (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG DashOffset attribute */ - style->stroke = 1; - style->stroke_dashoffset = atof (value); -} - -static void -gg_svg_parse_stroke_dasharray (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG DashArray attribute */ - double dash_list[1024]; - int items = 0; - char token[1024]; - char *p_out = token; - const char *p_in = value; - if (style->stroke_dasharray != NULL) - free (style->stroke_dasharray); - style->stroke_dasharray = NULL; - style->stroke_dashitems = 0; - if (strcmp (value, "none") == 0) - return; - fprintf (stderr, "dash=%s\n", value); - while (1) - { - if (*p_in == ' ' || *p_in == ',' || *p_in == '\0') - { - *p_out++ = '\0'; - if (*token != '\0') - dash_list[items++] = atof (token); - if (*p_in == '\0') - break; - p_out = token; - p_in++; - continue; - } - *p_out++ = *p_in++; - } - if (items > 0) - { - int i; - if (items % 2 == 0) - { - /* even number */ - style->stroke_dashitems = items; - style->stroke_dasharray = malloc (sizeof (double) * items); - for (i = 0; i < items; i++) - style->stroke_dasharray[i] = dash_list[i]; - } - else - { - /* odd number: doubling */ - int o = 0; - style->stroke_dashitems = items * 2; - style->stroke_dasharray = malloc (sizeof (double) * items * 2); - for (i = 0; i < items; i++) - style->stroke_dasharray[o++] = dash_list[i]; - for (i = 0; i < items; i++) - style->stroke_dasharray[o++] = dash_list[i]; - } - } - style->stroke = 1; -} - -static void -gg_svg_parse_opacity (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG Opacity attribute */ - style->opacity = atof (value); - if (style->opacity <= 0.0 || style->opacity >= 1.0) - style->opacity = 1.0; -} - -static void -gg_svg_parse_stroke_opacity (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG StrokeOpacity attribute */ - style->stroke = 1; - style->stroke_opacity = atof (value); - if (style->stroke_opacity <= 0.0 || style->stroke_opacity >= 1.0) - style->stroke_opacity = 1.0; -} - -static void -gg_svg_parse_stop_opacity (const char *value, double *opacity) -{ -/* parsing an SVG Stop attribute */ - *opacity = atof (value); -} - -static void -gg_svg_split_css_token (struct gg_svg_style *style, char *value) -{ -/* parsing an SVG CSS Style definition - single item */ - char *p = value; - char *p_value = NULL; - while (*p != '\0') - { - if (*p == ':') - { - *p = '\0'; - p_value = p + 1; - break; - } - p++; - } - if (p_value == NULL) - return; - if (strcmp (value, "opacity") == 0) - gg_svg_parse_opacity (style, p_value); - else if (strcmp (value, "stroke") == 0) - gg_svg_parse_stroke_color (style, p_value); - else if (strcmp (value, "stroke-width") == 0) - gg_svg_parse_stroke_width (style, p_value); - else if (strcmp (value, "stroke-linecap") == 0) - gg_svg_parse_stroke_linecap (style, p_value); - else if (strcmp (value, "stroke-linejoin") == 0) - gg_svg_parse_stroke_linejoin (style, p_value); - else if (strcmp (value, "stroke-miterlimit") == 0) - gg_svg_parse_stroke_miterlimit (style, p_value); - else if (strcmp (value, "stroke-dasharray") == 0) - gg_svg_parse_stroke_dasharray (style, p_value); - else if (strcmp (value, "stroke-dashoffset") == 0) - gg_svg_parse_stroke_dashoffset (style, p_value); - else if (strcmp (value, "stroke-opacity") == 0) - gg_svg_parse_stroke_opacity (style, p_value); - else if (strcmp (value, "fill") == 0) - gg_svg_parse_fill_color (style, p_value); - else if (strcmp (value, "fill-rule") == 0) - gg_svg_parse_fill_rule (style, p_value); - else if (strcmp (value, "fill-opacity") == 0) - gg_svg_parse_fill_opacity (style, p_value); - else if (strcmp (value, "display") == 0) - gg_svg_parse_display (style, p_value); - else if (strcmp (value, "visibility") == 0) - gg_svg_parse_visibility (style, p_value); -} - -static void -gg_svg_parse_css (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG CSS Style definition */ - const char *p_in = value; - char token[128]; - char *p_out = token; - while (1) - { - if (*p_in == ' ' || *p_in == '\t' || *p_in == '\r' || *p_in == '\n') - { - p_in++; - continue; - } - if (*p_in == '\0') - { - *p_out = '\0'; - gg_svg_split_css_token (style, token); - break; - } - if (*p_in == ';') - { - *p_out = '\0'; - gg_svg_split_css_token (style, token); - p_out = token; - p_in++; - continue; - } - *p_out++ = *p_in++; - } -} - -static void -gg_svg_split_stop_token (char *value, double *red, double *green, double *blue, - double *opacity) -{ -/* parsing an SVG Stop Style definition - single item */ - char *p = value; - char *p_value = NULL; - while (*p != '\0') - { - if (*p == ':') - { - *p = '\0'; - p_value = p + 1; - break; - } - p++; - } - if (p_value == NULL) - return; - if (strcmp (value, "stop-color") == 0) - gg_svg_parse_stop_color (p_value, red, green, blue); - else if (strcmp (value, "stop-opacity") == 0) - gg_svg_parse_stop_opacity (p_value, opacity); -} - -static void -gg_svg_parse_stop_style (const char *value, double *red, double *green, - double *blue, double *opacity) -{ -/* parsing an SVG Stop-Style */ - const char *p_in = value; - char token[128]; - char *p_out = token; - while (1) - { - if (*p_in == ' ' || *p_in == '\t' || *p_in == '\r' || *p_in == '\n') - { - p_in++; - continue; - } - if (*p_in == '\0') - { - *p_out = '\0'; - gg_svg_split_stop_token (token, red, green, blue, opacity); - break; - } - if (*p_in == ';') - { - *p_out = '\0'; - gg_svg_split_stop_token (token, red, green, blue, opacity); - p_out = token; - p_in++; - continue; - } - *p_out++ = *p_in++; - } -} - -static void -gg_svg_parse_style (struct gg_svg_group *group, struct gg_svg_shape *shape, - struct gg_svg_use *use, struct _xmlAttr *attr) -{ -/* parsing SVG Style-related definitions */ - struct gg_svg_style *style = NULL; - if (group != NULL) - style = &(group->style); - else if (use != NULL) - style = &(use->style); - else - style = &(shape->style); - - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "style") == 0) - gg_svg_parse_css (style, value); - else if (strcmp (name, "stroke") == 0) - gg_svg_parse_stroke_color (style, value); - else if (strcmp (name, "stroke-width") == 0) - gg_svg_parse_stroke_width (style, value); - else if (strcmp (name, "stroke-linecap") == 0) - gg_svg_parse_stroke_linecap (style, value); - else if (strcmp (name, "stroke-linejoin") == 0) - gg_svg_parse_stroke_linejoin (style, value); - else if (strcmp (name, "stroke-miterlimit") == 0) - gg_svg_parse_stroke_miterlimit (style, value); - else if (strcmp (name, "stroke-dasharray") == 0) - gg_svg_parse_stroke_dasharray (style, value); - else if (strcmp (name, "stroke-dashoffset") == 0) - gg_svg_parse_stroke_dashoffset (style, value); - else if (strcmp (name, "stroke-opacity") == 0) - gg_svg_parse_stroke_opacity (style, value); - else if (strcmp (name, "fill") == 0) - gg_svg_parse_fill_color (style, value); - else if (strcmp (name, "fill-rule") == 0) - gg_svg_parse_fill_rule (style, value); - else if (strcmp (name, "fill-opacity") == 0) - gg_svg_parse_fill_opacity (style, value); - else if (strcmp (name, "display") == 0) - gg_svg_parse_display (style, value); - else if (strcmp (name, "visibility") == 0) - gg_svg_parse_visibility (style, value); - } - } - attr = attr->next; - } -} - -static void -gg_svg_parse_id (struct gg_svg_group *group, struct gg_svg_clip *clip, - struct gg_svg_shape *shape, struct _xmlAttr *attr) -{ -/* parsing SVG an eventual ID definitions */ - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "id") == 0) - { - if (group != NULL) - gg_svg_add_group_id (group, value); - if (clip != NULL) - gg_svg_add_clip_id (clip, value); - if (shape != NULL) - gg_svg_add_shape_id (shape, value); - } - } - } - attr = attr->next; - } -} - -static void -gg_svg_consume_whitespace (const char **ptr) -{ -/* consuming whitespaces and commas */ - const char *p = *ptr; - while (1) - { - if (*p == ' ' || *p == ',' || *p == '\t' || *p == '\r' || *p == '\n') - { - p++; - continue; - } - break; - } - *ptr = p; -} - -static int -gg_svg_find_transform_mode (const char **ptr) -{ - const char *p = *ptr; - if (strncmp (p, "matrix", 6) == 0) - { - *ptr += 6; - return GG_SVG_MATRIX; - } - if (strncmp (p, "translate", 9) == 0) - { - *ptr += 9; - return GG_SVG_TRANSLATE; - } - if (strncmp (p, "scale", 5) == 0) - { - *ptr += 5; - return GG_SVG_SCALE; - } - if (strncmp (p, "rotate", 6) == 0) - { - *ptr += 6; - return GG_SVG_ROTATE; - } - if (strncmp (p, "skewX", 5) == 0) - { - *ptr += 5; - return GG_SVG_SKEW_X; - } - if (strncmp (p, "skewY", 5) == 0) - { - *ptr += 5; - return GG_SVG_SKEW_Y; - } - return GG_SVG_UNKNOWN; -} - -static void * -gg_svg_parse_matrix (const char **ptr) -{ -/* parsing an SVG Matrix definition */ - const char *p = *ptr; - double a; - double b; - double c; - double d; - double e; - double f; - int err = 0; - if (!gg_svg_consume_float (&p, &a)) - err = 1; - gg_svg_consume_whitespace (&p); - if (!gg_svg_consume_float (&p, &b)) - err = 1; - gg_svg_consume_whitespace (&p); - if (!gg_svg_consume_float (&p, &c)) - err = 1; - gg_svg_consume_whitespace (&p); - if (!gg_svg_consume_float (&p, &d)) - err = 1; - gg_svg_consume_whitespace (&p); - if (!gg_svg_consume_float (&p, &e)) - err = 1; - gg_svg_consume_whitespace (&p); - if (!gg_svg_consume_float (&p, &f)) - err = 1; - gg_svg_consume_whitespace (&p); - if (*p == ')') - p++; - else - err = 1; - if (!err) - { - *ptr = p; - return gg_svg_alloc_matrix (a, b, c, d, e, f); - } - return NULL; -} - -static void * -gg_svg_parse_translate (const char **ptr) -{ -/* parsing an SVG Translate definition */ - const char *p = *ptr; - double tx; - double ty; - int err = 0; - if (!gg_svg_consume_float (&p, &tx)) - err = 1; - gg_svg_consume_whitespace (&p); - if (!gg_svg_consume_float (&p, &ty)) - ty = 0.0; - gg_svg_consume_whitespace (&p); - if (*p == ')') - p++; - else - err = 1; - if (!err) - { - *ptr = p; - return gg_svg_alloc_translate (tx, ty); - } - return NULL; -} - -static void * -gg_svg_parse_scale (const char **ptr) -{ -/* parsing an SVG Scale definition */ - const char *p = *ptr; - double sx; - double sy; - int err = 0; - if (!gg_svg_consume_float (&p, &sx)) - err = 1; - gg_svg_consume_whitespace (&p); - if (!gg_svg_consume_float (&p, &sy)) - sy = 0.0; - gg_svg_consume_whitespace (&p); - if (*p == ')') - p++; - else - err = 1; - if (!err) - { - *ptr = p; - if (sy == 0.0) - sy = sx; - return gg_svg_alloc_scale (sx, sy); - } - return NULL; -} - -static void * -gg_svg_parse_rotate (const char **ptr) -{ -/* parsing an SVG Rotate definition */ - const char *p = *ptr; - double angle; - double cx; - double cy; - int err = 0; - if (!gg_svg_consume_float (&p, &angle)) - err = 1; - gg_svg_consume_whitespace (&p); - if (!gg_svg_consume_float (&p, &cx)) - cx = 0.0; - gg_svg_consume_whitespace (&p); - if (!gg_svg_consume_float (&p, &cy)) - cy = 0.0; - gg_svg_consume_whitespace (&p); - if (*p == ')') - p++; - else - err = 1; - if (!err) - { - *ptr = p; - return gg_svg_alloc_rotate (angle, cx, cy); - } - return NULL; -} - -static void * -gg_svg_parse_skew (const char **ptr) -{ -/* parsing an SVG Skew definition */ - const char *p = *ptr; - double skew = 0.0; - int err = 0; - if (!gg_svg_consume_float (&p, &skew)) - err = 1; - if (!err) - { - *ptr = p; - return gg_svg_alloc_skew (skew); - } - return NULL; -} - -static void -gg_svg_parse_transform_str (struct gg_svg_group *group, - struct gg_svg_shape *shape, struct gg_svg_use *use, - struct gg_svg_gradient *gradient, const char *str) -{ -/* parsing an SVG Transform string */ - struct gg_svg_transform *trans; - const char *p_in = str; - int type; - void *data; - - while (1) - { - gg_svg_consume_whitespace (&p_in); - if (*p_in == '\0') - break; - type = gg_svg_find_transform_mode (&p_in); - if (type == GG_SVG_UNKNOWN) - break; - gg_svg_consume_whitespace (&p_in); - if (*p_in == '\0') - break; - if (*p_in != '(') - break; - p_in++; - switch (type) - { - case GG_SVG_MATRIX: - data = gg_svg_parse_matrix (&p_in); - break; - case GG_SVG_TRANSLATE: - data = gg_svg_parse_translate (&p_in); - break; - case GG_SVG_SCALE: - data = gg_svg_parse_scale (&p_in); - break; - case GG_SVG_ROTATE: - data = gg_svg_parse_rotate (&p_in); - break; - case GG_SVG_SKEW_X: - case GG_SVG_SKEW_Y: - data = gg_svg_parse_skew (&p_in); - break; - default: - data = NULL; - break; - }; - if (data == NULL) - { - fprintf (stderr, "Invalid \n", str); - return; - } - trans = gg_svg_alloc_transform (type, data); - if (group != NULL) - { - if (group->first_trans == NULL) - group->first_trans = trans; - if (group->last_trans != NULL) - group->last_trans->next = trans; - group->last_trans = trans; - } - else if (shape != NULL) - { - if (shape->first_trans == NULL) - shape->first_trans = trans; - if (shape->last_trans != NULL) - shape->last_trans->next = trans; - shape->last_trans = trans; - } - else if (use != NULL) - { - if (use->first_trans == NULL) - use->first_trans = trans; - if (use->last_trans != NULL) - use->last_trans->next = trans; - use->last_trans = trans; - } - else if (gradient != NULL) - { - if (gradient->first_trans == NULL) - gradient->first_trans = trans; - if (gradient->last_trans != NULL) - gradient->last_trans->next = trans; - gradient->last_trans = trans; - } - } -} - -static void -gg_svg_parse_transform (struct gg_svg_group *group, struct gg_svg_shape *shape, - struct gg_svg_use *use, - struct gg_svg_gradient *gradient, struct _xmlAttr *attr) -{ -/* parsing SVG Transform-related definitions */ - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (gradient == NULL) - { - if (strcmp (name, "transform") == 0) - gg_svg_parse_transform_str (group, shape, use, - NULL, value); - } - else - { - if (strcmp (name, "gradientTransform") == 0) - gg_svg_parse_transform_str (NULL, NULL, NULL, - gradient, value); - } - } - } - attr = attr->next; - } -} - -static void -gg_svg_parse_clip_url (struct gg_svg_style *style, const char *value) -{ -/* parsing an SVG clip-path attribute (URL) */ - int len = strlen (value); - if (strncmp (value, "url(#", 5) == 0 && *(value + len - 1) == ')') - { - char buf[1024]; - strcpy (buf, value + 5); - len = strlen (buf); - buf[len - 1] = '\0'; - gg_svg_add_clip_url (style, buf); - } -} - -static void -gg_svg_parse_clip_path (struct gg_svg_group *group, struct gg_svg_shape *shape, - struct gg_svg_use *use, struct _xmlAttr *attr) -{ -/* parsing SVG clip-path definitions */ - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "clip-path") == 0) - { - if (group != NULL) - gg_svg_parse_clip_url (&(group->style), value); - if (shape != NULL) - gg_svg_parse_clip_url (&(shape->style), value); - if (use != NULL) - gg_svg_parse_clip_url (&(use->style), value); - } - } - } - attr = attr->next; - } -} - -static void -gg_svg_parse_rect (struct gg_svg_document *gg_svg_doc, xmlNodePtr node) -{ -/* creating and initializing an SVG Rect struct */ - struct gg_svg_rect *rect; - struct _xmlAttr *attr; - double x = 0.0; - double y = 0.0; - double width = 0.0; - double height = 0.0; - double rx = -1.0; - double ry = -1.0; - - attr = node->properties; - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "x") == 0) - x = atof (value); - if (strcmp (name, "y") == 0) - y = atof (value); - if (strcmp (name, "width") == 0) - width = atof (value); - if (strcmp (name, "height") == 0) - height = atof (value); - if (strcmp (name, "rx") == 0) - rx = atof (value); - if (strcmp (name, "ry") == 0) - ry = atof (value); - } - } - attr = attr->next; - } - if (rx > 0.0 && ry <= 0.0) - ry = rx; - if (ry > 0.0 && rx <= 0.0) - rx = ry; - rect = gg_svg_alloc_rect (x, y, width, height, rx, ry); - gg_svg_insert_shape (gg_svg_doc, GG_SVG_RECT, rect); - gg_svg_parse_id (NULL, NULL, gg_svg_doc->current_shape, node->properties); - gg_svg_parse_style (NULL, gg_svg_doc->current_shape, NULL, - node->properties); - gg_svg_parse_transform (NULL, gg_svg_doc->current_shape, NULL, NULL, - node->properties); - gg_svg_parse_clip_path (NULL, gg_svg_doc->current_shape, NULL, - node->properties); -} - -static void -gg_svg_parse_circle (struct gg_svg_document *gg_svg_doc, xmlNodePtr node) -{ -/* creating and initializing an SVG Circle struct */ - struct gg_svg_circle *circle; - struct _xmlAttr *attr; - double cx = 0.0; - double cy = 0.0; - double r = 0.0; - - attr = node->properties; - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "cx") == 0) - cx = atof (value); - if (strcmp (name, "cy") == 0) - cy = atof (value); - if (strcmp (name, "r") == 0) - r = atof (value); - } - } - attr = attr->next; - } - circle = gg_svg_alloc_circle (cx, cy, r); - gg_svg_insert_shape (gg_svg_doc, GG_SVG_CIRCLE, circle); - gg_svg_parse_id (NULL, NULL, gg_svg_doc->current_shape, node->properties); - gg_svg_parse_style (NULL, gg_svg_doc->current_shape, NULL, - node->properties); - gg_svg_parse_transform (NULL, gg_svg_doc->current_shape, NULL, NULL, - node->properties); - gg_svg_parse_clip_path (NULL, gg_svg_doc->current_shape, NULL, - node->properties); -} - -static void -gg_svg_parse_ellipse (struct gg_svg_document *gg_svg_doc, xmlNodePtr node) -{ -/* creating and initializing an SVG Ellipse struct */ - struct gg_svg_ellipse *ellipse; - struct _xmlAttr *attr; - double cx = 0.0; - double cy = 0.0; - double rx = 0.0; - double ry = 0.0; - - attr = node->properties; - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "cx") == 0) - cx = atof (value); - if (strcmp (name, "cy") == 0) - cy = atof (value); - if (strcmp (name, "rx") == 0) - rx = atof (value); - if (strcmp (name, "ry") == 0) - ry = atof (value); - } - } - attr = attr->next; - } - ellipse = gg_svg_alloc_ellipse (cx, cy, rx, ry); - gg_svg_insert_shape (gg_svg_doc, GG_SVG_ELLIPSE, ellipse); - gg_svg_parse_id (NULL, NULL, gg_svg_doc->current_shape, node->properties); - gg_svg_parse_style (NULL, gg_svg_doc->current_shape, NULL, - node->properties); - gg_svg_parse_transform (NULL, gg_svg_doc->current_shape, NULL, NULL, - node->properties); - gg_svg_parse_clip_path (NULL, gg_svg_doc->current_shape, NULL, - node->properties); -} - -static void -gg_svg_parse_line (struct gg_svg_document *gg_svg_doc, xmlNodePtr node) -{ -/* creating and initializing an SVG Line struct */ - struct gg_svg_line *line; - struct _xmlAttr *attr; - double x1 = 0.0; - double y1 = 0.0; - double x2 = 0.0; - double y2 = 0.0; - - attr = node->properties; - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "x1") == 0) - x1 = atof (value); - if (strcmp (name, "y1") == 0) - y1 = atof (value); - if (strcmp (name, "x2") == 0) - x2 = atof (value); - if (strcmp (name, "y2") == 0) - y2 = atof (value); - } - } - attr = attr->next; - } - line = gg_svg_alloc_line (x1, y1, x2, y2); - gg_svg_insert_shape (gg_svg_doc, GG_SVG_LINE, line); - gg_svg_parse_id (NULL, NULL, gg_svg_doc->current_shape, node->properties); - gg_svg_parse_style (NULL, gg_svg_doc->current_shape, NULL, - node->properties); - gg_svg_parse_transform (NULL, gg_svg_doc->current_shape, NULL, NULL, - node->properties); - gg_svg_parse_clip_path (NULL, gg_svg_doc->current_shape, NULL, - node->properties); -} - -static void -gg_svg_parse_polyline (struct gg_svg_document *gg_svg_doc, xmlNodePtr node) -{ -/* creating and initializing an SVG Polyline struct */ - struct gg_svg_polyline *poly; - struct _xmlAttr *attr; - int points = 0; - double *x = NULL; - double *y = NULL; - - attr = node->properties; - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "points") == 0) - gg_svg_parse_points (value, &points, &x, &y); - } - } - attr = attr->next; - } - poly = gg_svg_alloc_polyline (points, x, y); - gg_svg_insert_shape (gg_svg_doc, GG_SVG_POLYLINE, poly); - gg_svg_parse_id (NULL, NULL, gg_svg_doc->current_shape, node->properties); - gg_svg_parse_style (NULL, gg_svg_doc->current_shape, NULL, - node->properties); - gg_svg_parse_transform (NULL, gg_svg_doc->current_shape, NULL, NULL, - node->properties); - gg_svg_parse_clip_path (NULL, gg_svg_doc->current_shape, NULL, - node->properties); -} - -static void -gg_svg_parse_polygon (struct gg_svg_document *gg_svg_doc, xmlNodePtr node) -{ -/* creating and initializing an SVG Polygon struct */ - struct gg_svg_polygon *poly; - struct _xmlAttr *attr; - int points = 0; - double *x = NULL; - double *y = NULL; - - attr = node->properties; - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "points") == 0) - gg_svg_parse_points (value, &points, &x, &y); - } - } - attr = attr->next; - } - poly = gg_svg_alloc_polygon (points, x, y); - gg_svg_insert_shape (gg_svg_doc, GG_SVG_POLYGON, poly); - gg_svg_parse_id (NULL, NULL, gg_svg_doc->current_shape, node->properties); - gg_svg_parse_style (NULL, gg_svg_doc->current_shape, NULL, - node->properties); - gg_svg_parse_transform (NULL, gg_svg_doc->current_shape, NULL, NULL, - node->properties); - gg_svg_parse_clip_path (NULL, gg_svg_doc->current_shape, NULL, - node->properties); -} - -static void -gg_svg_parse_path (struct gg_svg_document *gg_svg_doc, xmlNodePtr node) -{ -/* creating and initializing an SVG Path struct */ - struct gg_svg_path *path = gg_svg_alloc_path (); - struct _xmlAttr *attr; - - attr = node->properties; - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "d") == 0) - { - gg_svg_parse_path_d (path, value); - if (path->first == NULL || path->error) - { - /* invalid path */ - fprintf (stderr, "Invalid path d=\"%s\"\n", - value); - gg_svg_free_path (path); - return; - } - } - } - } - attr = attr->next; - } - gg_svg_insert_shape (gg_svg_doc, GG_SVG_PATH, path); - gg_svg_parse_id (NULL, NULL, gg_svg_doc->current_shape, node->properties); - gg_svg_parse_style (NULL, gg_svg_doc->current_shape, NULL, - node->properties); - gg_svg_parse_transform (NULL, gg_svg_doc->current_shape, NULL, NULL, - node->properties); - gg_svg_parse_clip_path (NULL, gg_svg_doc->current_shape, NULL, - node->properties); -} - -static void -gg_svg_parse_group (struct gg_svg_document *gg_svg_doc, xmlNodePtr node) -{ -/* creating and initializing an SVG Group struct */ - gg_svg_insert_group (gg_svg_doc); - gg_svg_parse_id (gg_svg_doc->current_group, NULL, NULL, node->properties); - gg_svg_parse_style (gg_svg_doc->current_group, NULL, NULL, - node->properties); - gg_svg_parse_transform (gg_svg_doc->current_group, NULL, NULL, NULL, - node->properties); - gg_svg_parse_clip_path (gg_svg_doc->current_group, NULL, NULL, - node->properties); -} - -static void -gg_svg_parse_clip (struct gg_svg_document *gg_svg_doc, xmlNodePtr node) -{ -/* creating and initializing an SVG ClipPath struct */ - gg_svg_insert_clip (gg_svg_doc); - gg_svg_parse_id (NULL, gg_svg_doc->current_clip, NULL, node->properties); -} - -static void -gg_svg_parse_use (struct gg_svg_document *gg_svg_doc, xmlNodePtr node) -{ -/* creating and initializing an SVG Use struct */ - const char *xlink_href = NULL; - double x = DBL_MAX; - double y = DBL_MAX; - double width = DBL_MAX; - double height = DBL_MAX; - struct gg_svg_use *use; - struct _xmlAttr *attr = node->properties; - - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "href") == 0) - xlink_href = value; - if (strcmp (name, "x") == 0) - x = atof (value); - if (strcmp (name, "y") == 0) - y = atof (value); - if (strcmp (name, "width") == 0) - width = atof (value); - if (strcmp (name, "height") == 0) - height = atof (value); - } - } - attr = attr->next; - } - if (xlink_href == NULL) - return; - - use = gg_svg_insert_use (gg_svg_doc, xlink_href, x, y, width, height); - gg_svg_parse_style (NULL, NULL, use, node->properties); - gg_svg_parse_transform (NULL, NULL, use, NULL, node->properties); - gg_svg_parse_clip_path (NULL, NULL, use, node->properties); -} - -static void -gg_svg_parse_gradient_stop (struct gg_svg_gradient *gradient, xmlNodePtr node) -{ -/* parsing an SVG Node - Gradient - Stop */ - while (node) - { - if (node->type == XML_ELEMENT_NODE) - { - const char *name = (const char *) (node->name); - if (strcmp (name, "stop") == 0) - { - double offset = DBL_MAX; - double red = -1.0; - double green = -1.0; - double blue = -1.0; - double opacity = -1.0; - struct _xmlAttr *attr = node->properties; - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "offset") == 0) - { - int percent = 0; - int i; - for (i = 0; - i < (int) strlen (value); - i++) - { - if (value[i] == '%') - percent = 1; - } - offset = atof (value); - if (percent) - offset /= 100.0; - if (offset < 0.0) - offset = 0.0; - if (offset > 1.0) - offset = 1.0; - } - if (strcmp (name, "style") == 0) - gg_svg_parse_stop_style (value, - &red, - &green, - &blue, - &opacity); - if (strcmp (name, "stop-color") == 0) - { - opacity = 1.0; - gg_svg_parse_stop_color (value, - &red, - &green, - &blue); - } - } - } - attr = attr->next; - } - gg_svg_insert_gradient_stop (gradient, offset, red, green, - blue, opacity); - } - } - node = node->next; - } -} - -static void -gg_svg_parse_linear_gradient (struct gg_svg_document *gg_svg_doc, - xmlNodePtr node) -{ -/* creating and initializing an SVG LinearGradient struct */ - const char *xlink_href = NULL; - const char *id = NULL; - double x1 = DBL_MAX; - double y1 = DBL_MAX; - double x2 = DBL_MAX; - double y2 = DBL_MAX; - int units = GG_SVG_BOUNDING_BOX; - struct gg_svg_gradient *gradient; - struct _xmlAttr *attr = node->properties; - - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "href") == 0) - xlink_href = value; - if (strcmp (name, "id") == 0) - id = value; - if (strcmp (name, "x1") == 0) - x1 = atof (value); - if (strcmp (name, "y1") == 0) - y1 = atof (value); - if (strcmp (name, "x2") == 0) - x2 = atof (value); - if (strcmp (name, "y2") == 0) - y2 = atof (value); - if (strcmp (name, "gradientUnits") == 0) - { - if (strcmp (value, "userSpaceOnUse") == 0) - units = GG_SVG_USER_SPACE; - } - } - } - attr = attr->next; - } - if (x1 == DBL_MAX) - x1 = gg_svg_doc->viewbox_x; - if (y1 == DBL_MAX) - y1 = gg_svg_doc->viewbox_y; - if (x2 == DBL_MAX) - x2 = gg_svg_doc->viewbox_width; - if (y2 == DBL_MAX) - y2 = y1; - - gradient = - gg_svg_insert_linear_gradient (gg_svg_doc, id, xlink_href, x1, y1, x2, - y2, units); - gg_svg_parse_gradient_stop (gradient, node->children); - gg_svg_parse_transform (NULL, NULL, NULL, gradient, node->properties); -} - -static void -gg_svg_parse_radial_gradient (struct gg_svg_document *gg_svg_doc, - xmlNodePtr node) -{ -/* creating and initializing an SVG RadialGradient struct */ - const char *xlink_href = NULL; - const char *id = NULL; - double cx = DBL_MAX; - double cy = DBL_MAX; - double fx = DBL_MAX; - double fy = DBL_MAX; - double r = DBL_MAX; - int units = GG_SVG_BOUNDING_BOX; - struct gg_svg_gradient *gradient; - struct _xmlAttr *attr = node->properties; - - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - if (strcmp (name, "href") == 0) - xlink_href = value; - if (strcmp (name, "id") == 0) - id = value; - if (strcmp (name, "cx") == 0) - cx = atof (value); - if (strcmp (name, "cy") == 0) - cy = atof (value); - if (strcmp (name, "fx") == 0) - fx = atof (value); - if (strcmp (name, "fy") == 0) - fy = atof (value); - if (strcmp (name, "r") == 0) - r = atof (value); - if (strcmp (name, "gradientUnits") == 0) - { - if (strcmp (value, "userSpaceOnUse") == 0) - units = GG_SVG_USER_SPACE; - } - } - } - attr = attr->next; - } - if (cx == DBL_MAX) - cx = gg_svg_doc->viewbox_width / 2.0; - if (cy == DBL_MAX) - cy = gg_svg_doc->viewbox_height / 2.0; - if (r == DBL_MAX) - r = gg_svg_doc->viewbox_width / 2.0; - if (fx == DBL_MAX) - fx = cx; - if (fy == DBL_MAX) - fy = cy; - - gradient = - gg_svg_insert_radial_gradient (gg_svg_doc, id, xlink_href, cx, cy, fx, - fy, r, units); - gg_svg_parse_gradient_stop (gradient, node->children); - gg_svg_parse_transform (NULL, NULL, NULL, gradient, node->properties); -} - -static void -gg_svg_parse_node (struct gg_svg_document *gg_svg_doc, xmlNodePtr node) -{ -/* parsing an SVG Node */ - while (node) - { - int is_group = 0; - int is_defs = 0; - int is_flow_root = 0; - int is_clip_path = 0; - if (node->type == XML_ELEMENT_NODE) - { - const char *name = (const char *) (node->name); - if (strcmp (name, "defs") == 0) - { - gg_svg_doc->defs_count += 1; - is_defs = 1; - } - if (strcmp (name, "flowRoot") == 0) - { - gg_svg_doc->flow_root_count += 1; - is_flow_root = 1; - } - if (strcmp (name, "clipPath") == 0) - { - gg_svg_parse_clip (gg_svg_doc, node); - is_clip_path = 1; - } - if (strcmp (name, "g") == 0) - { - gg_svg_parse_group (gg_svg_doc, node); - is_group = 1; - } - if (strcmp (name, "rect") == 0) - gg_svg_parse_rect (gg_svg_doc, node); - if (strcmp (name, "circle") == 0) - gg_svg_parse_circle (gg_svg_doc, node); - if (strcmp (name, "ellipse") == 0) - gg_svg_parse_ellipse (gg_svg_doc, node); - if (strcmp (name, "line") == 0) - gg_svg_parse_line (gg_svg_doc, node); - if (strcmp (name, "polyline") == 0) - gg_svg_parse_polyline (gg_svg_doc, node); - if (strcmp (name, "polygon") == 0) - gg_svg_parse_polygon (gg_svg_doc, node); - if (strcmp (name, "path") == 0) - gg_svg_parse_path (gg_svg_doc, node); - if (strcmp (name, "use") == 0) - gg_svg_parse_use (gg_svg_doc, node); - if (strcmp (name, "linearGradient") == 0) - gg_svg_parse_linear_gradient (gg_svg_doc, node); - if (strcmp (name, "radialGradient") == 0) - gg_svg_parse_radial_gradient (gg_svg_doc, node); - } - gg_svg_parse_node (gg_svg_doc, node->children); - if (is_group) - gg_svg_close_group (gg_svg_doc); - if (is_defs) - gg_svg_doc->defs_count -= 1; - if (is_flow_root) - gg_svg_doc->flow_root_count -= 1; - if (is_clip_path) - gg_svg_close_clip (gg_svg_doc); - node = node->next; - } -} - -static void -gg_svg_parse_viewbox (struct gg_svg_document *gg_svg_doc, const char *str) -{ -/* parsing an SVG ViewBox */ - double value; - const char *p = str; - if (!gg_svg_consume_float (&p, &value)) - return; - gg_svg_doc->viewbox_x = value; - if (!gg_svg_consume_float (&p, &value)) - return; - gg_svg_doc->viewbox_y = value; - if (!gg_svg_consume_float (&p, &value)) - return; - gg_svg_doc->viewbox_width = value; - if (!gg_svg_consume_float (&p, &value)) - return; - gg_svg_doc->viewbox_height = value; -} - -static void -gg_svg_parse_header (struct gg_svg_document *gg_svg_doc, struct _xmlAttr *attr) -{ -/* parsing the SVG header definitions */ - while (attr) - { - if (attr->type == XML_ATTRIBUTE_NODE) - { - const char *value = NULL; - const char *name; - xmlNodePtr child = attr->children; - name = (const char *) (attr->name); - if (child) - value = (const char *) (child->content); - if (child && value) - { - int len; - double factor = 1.0; - if (strcmp (name, "width") == 0) - { - len = strlen (value); - if (len > 3) - { - if (strcmp (value + len - 2, "mm") == 0) - factor = 72.0 / 25.4; - else if (strcmp (value + len - 2, "cm") == 0) - factor = 72.0 / 2.54; - else if (strcmp (value + len - 2, "in") == 0) - factor = 72.0; - else if (strcmp (value + len - 2, "pc") == 0) - factor = 72.0 / 6.0; - } - gg_svg_doc->width = atof (value) * factor; - } - if (strcmp (name, "height") == 0) - { - len = strlen (value); - if (len > 3) - { - if (strcmp (value + len - 2, "mm") == 0) - factor = 72.0 / 25.4; - else if (strcmp (value + len - 2, "cm") == 0) - factor = 72.0 / 2.54; - else if (strcmp (value + len - 2, "in") == 0) - factor = 72.0; - else if (strcmp (value + len - 2, "pc") == 0) - factor = 72.0 / 6.0; - } - gg_svg_doc->height = atof (value) * factor; - } - if (strcmp (name, "viewBox") == 0) - gg_svg_parse_viewbox (gg_svg_doc, value); - } - } - attr = attr->next; - } -} - -GGRAPH_PRIVATE struct gg_svg_document * -gg_svg_parse_doc (const unsigned char *svg, int svg_len) -{ -/* attempting to parse the SVG Document */ - struct gg_svg_document *gg_svg_doc; - xmlNodePtr node; - xmlDocPtr xml_doc = - xmlReadMemory ((const char *) svg, svg_len, "noname.svg", NULL, 0); - if (xml_doc == NULL) - { - /* parsing error; not a well-formed XML */ - fprintf (stderr, "XML parsing error\n"); - return NULL; - } - gg_svg_doc = gg_svg_alloc_document (); - node = xmlDocGetRootElement (xml_doc); - gg_svg_parse_header (gg_svg_doc, node->properties); - gg_svg_parse_node (gg_svg_doc, node); - xmlFreeDoc (xml_doc); - return gg_svg_doc; -} DELETED src/gaiagraphics_tiff.c Index: src/gaiagraphics_tiff.c ================================================================== --- src/gaiagraphics_tiff.c +++ src/gaiagraphics_tiff.c @@ -1,3807 +0,0 @@ -/* -/ gaiagraphics_tiff.c -/ -/ TIFF auxiliary helpers -/ -/ version 1.0, 2010 July 20 -/ -/ Author: Sandro Furieri a.furieri@lqt.it -/ -/ Copyright (C) 2010 Alessandro Furieri -/ -/ This program is free software: you can redistribute it and/or modify -/ it under the terms of the GNU Lesser General Public License as published by -/ the Free Software Foundation, either version 3 of the License, or -/ (at your option) any later version. -/ -/ This program is distributed in the hope that it will be useful, -/ but WITHOUT ANY WARRANTY; without even the implied warranty of -/ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -/ GNU Lesser General Public License for more details. -/ -/ You should have received a copy of the GNU Lesser General Public License -/ along with this program. If not, see . -/ -*/ - -#include -#include -#include -#include -#include - -/* -/ the following patch supporting GeoTiff headers -/ was kindly contributed by Brad Hards: 2011-09-02 -*/ -#ifdef HAVE_GEOTIFF_GEOTIFF_H -#include -#include -#include -#include -#include -#include -#elif HAVE_LIBGEOTIFF_GEOTIFF_H -#include -#include -#include -#include -#include -#include -#else -#include -#include -#include -#include -#include -#include -#endif - -#include "gaiagraphics.h" -#include "gaiagraphics_internals.h" - -#define TIFF_TYPE_MONOCHROME 1 -#define TIFF_TYPE_PALETTE 2 -#define TIFF_TYPE_GRAYSCALE 3 -#define TIFF_TYPE_RGB 4 -#define TIFF_TYPE_GRID 5 - -struct tiff_codec_data -{ -/* a struct used by TIFF codec */ - int is_geotiff; - int is_writer; - TIFF *tiff_handle; - GTIF *geotiff_handle; - void *tiff_buffer; - int is_tiled; - int tiff_type; -}; - -struct memfile -{ -/* a struct emulating a file [memory mapped] */ - unsigned char *buffer; - int malloc_block; - tsize_t size; - tsize_t eof; - toff_t current; -}; - -static void -memory_realloc (struct memfile *mem, tsize_t req_size) -{ -/* expanding the allocated memory */ - unsigned char *new_buffer; - tsize_t new_size = mem->size; - while (new_size < req_size) - new_size += mem->malloc_block; - new_buffer = realloc (mem->buffer, new_size); - if (!new_buffer) - return; - mem->buffer = new_buffer; - mem->size = new_size; -} - -static tsize_t -memory_readproc (thandle_t clientdata, tdata_t data, tsize_t size) -{ -/* emulating the read() function */ - struct memfile *mem = clientdata; - tsize_t len; - if (mem->current >= (toff_t) mem->eof) - return 0; - len = size; - if ((mem->current + size) >= (toff_t) mem->eof) - len = (tsize_t) (mem->eof - mem->current); - memcpy (data, mem->buffer + mem->current, len); - mem->current += len; - return len; -} - -static tsize_t -memory_writeproc (thandle_t clientdata, tdata_t data, tsize_t size) -{ -/* emulating the write() function */ - struct memfile *mem = clientdata; - if ((mem->current + size) >= (toff_t) mem->size) - memory_realloc (mem, mem->current + size); - if ((mem->current + size) >= (toff_t) mem->size) - return -1; - memcpy (mem->buffer + mem->current, (unsigned char *) data, size); - mem->current += size; - if (mem->current > (toff_t) mem->eof) - mem->eof = (tsize_t) (mem->current); - return size; -} - -static toff_t -memory_seekproc (thandle_t clientdata, toff_t offset, int whence) -{ -/* emulating the lseek() function */ - struct memfile *mem = clientdata; - switch (whence) - { - case SEEK_CUR: - if ((int) (mem->current + offset) < 0) - return (toff_t) - 1; - mem->current += offset; - if ((toff_t) mem->eof < mem->current) - mem->eof = (tsize_t) (mem->current); - break; - case SEEK_END: - if ((int) (mem->eof + offset) < 0) - return (toff_t) - 1; - mem->current = mem->eof + offset; - if ((toff_t) mem->eof < mem->current) - mem->eof = (tsize_t) (mem->current); - break; - case SEEK_SET: - default: - if ((int) offset < 0) - return (toff_t) - 1; - mem->current = offset; - if ((toff_t) mem->eof < mem->current) - mem->eof = (tsize_t) (mem->current); - break; - }; - return mem->current; -} - -static int -closeproc (thandle_t clientdata) -{ -/* emulating the close() function */ - if (clientdata) - return 0; /* does absolutely nothing - required in order to suppress warnings */ - return 0; -} - -static toff_t -memory_sizeproc (thandle_t clientdata) -{ -/* returning the pseudo-file current size */ - struct memfile *mem = clientdata; - return mem->eof; -} - -static int -mapproc (thandle_t clientdata, tdata_t * data, toff_t * offset) -{ - if (clientdata || data || offset) - return 0; /* does absolutely nothing - required in order to suppress warnings */ - return 0; -} - -static void -unmapproc (thandle_t clientdata, tdata_t data, toff_t offset) -{ - if (clientdata || data || offset) - return; /* does absolutely nothing - required in order to suppress warnings */ - return; -} - -GGRAPH_PRIVATE int -gg_image_infos_from_mem_tiff (int size, const void *data, - gGraphImageInfosPtr * infos_handle) -{ -/* image infos from TIFF (memory cached) */ - gGraphImageInfosPtr infos; - uint16 bits_per_sample; - uint16 samples_per_pixel; - uint16 photometric; - uint16 compression; - uint16 sample_format; - uint16 planar_config; - uint32 width = 0; - uint32 height = 0; - uint32 rows_strip = 0; - struct memfile clientdata; - int is_tiled; - uint32 tile_width; - uint32 tile_height; - int type; - int gg_sample_format; - TIFF *in = (TIFF *) 0; - int max_palette = 0; - unsigned char red[256]; - unsigned char green[256]; - unsigned char blue[256]; - int i; - *infos_handle = NULL; - -/* suppressing TIFF warnings */ - TIFFSetWarningHandler (NULL); - -/* reading from memory */ - clientdata.buffer = (unsigned char *) data; - clientdata.size = size; - clientdata.eof = size; - clientdata.current = 0; - in = TIFFClientOpen ("tiff", "r", &clientdata, memory_readproc, - memory_writeproc, memory_seekproc, closeproc, - memory_sizeproc, mapproc, unmapproc); - if (in == NULL) - return GGRAPH_TIFF_CODEC_ERROR; - is_tiled = TIFFIsTiled (in); -/* retrieving the TIFF dimensions */ - TIFFGetField (in, TIFFTAG_IMAGELENGTH, &height); - TIFFGetField (in, TIFFTAG_IMAGEWIDTH, &width); - if (is_tiled) - { - TIFFGetField (in, TIFFTAG_TILEWIDTH, &tile_width); - TIFFGetField (in, TIFFTAG_TILELENGTH, &tile_height); - } - else - TIFFGetField (in, TIFFTAG_ROWSPERSTRIP, &rows_strip); - TIFFGetField (in, TIFFTAG_BITSPERSAMPLE, &bits_per_sample); - if (TIFFGetField (in, TIFFTAG_SAMPLESPERPIXEL, &samples_per_pixel) == 0) - { - /* attempting to recover badly formatted TIFFs */ - samples_per_pixel = 1; - } - TIFFGetField (in, TIFFTAG_PHOTOMETRIC, &photometric); - TIFFGetField (in, TIFFTAG_COMPRESSION, &compression); - if (TIFFGetField (in, TIFFTAG_PLANARCONFIG, &planar_config) == 0) - { - /* attempting to recover badly formatted TIFFs */ - planar_config = 1; - } - if (TIFFGetField (in, TIFFTAG_SAMPLEFORMAT, &sample_format) == 0) - sample_format = SAMPLEFORMAT_UINT; - if (planar_config == PLANARCONFIG_CONTIG) - { - if (sample_format == SAMPLEFORMAT_UINT) - { - if (bits_per_sample == 1 && samples_per_pixel == 1 - && photometric < 2) - { - type = GG_PIXEL_PALETTE; - max_palette = 2; - if (photometric == PHOTOMETRIC_MINISWHITE) - { - red[0] = 255; - green[0] = 255; - blue[0] = 255; - red[1] = 0; - green[1] = 0; - blue[1] = 0; - } - else - { - red[0] = 0; - green[0] = 0; - blue[0] = 0; - red[1] = 255; - green[1] = 255; - blue[1] = 255; - } - } - else if (bits_per_sample == 8 && samples_per_pixel == 1 - && photometric == 3) - { - uint16 *plt_red; - uint16 *plt_green; - uint16 *plt_blue; - type = GG_PIXEL_PALETTE; - TIFFGetField (in, TIFFTAG_COLORMAP, &plt_red, &plt_green, - &plt_blue); - max_palette = 256; - for (i = 0; i < max_palette; i++) - { - if (plt_red[i] < 256) - red[i] = plt_red[i]; - else - red[i] = plt_red[i] / 256; - if (plt_green[i] < 256) - green[i] = plt_green[i]; - else - green[i] = plt_green[i] / 256; - if (plt_blue[i] < 256) - blue[i] = plt_blue[i]; - else - blue[i] = plt_blue[i] / 256; - } - } - else if (bits_per_sample == 8 && samples_per_pixel == 1 - && photometric < 2) - type = GG_PIXEL_GRAYSCALE; - else if (bits_per_sample == 8 && samples_per_pixel == 3) - type = GG_PIXEL_RGB; - else - type = GG_PIXEL_UNKNOWN; - } - else if (samples_per_pixel == 1) - type = GG_PIXEL_GRID; - else - type = GG_PIXEL_UNKNOWN; - } - else - type = GG_PIXEL_UNKNOWN; - switch (sample_format) - { - case SAMPLEFORMAT_UINT: - gg_sample_format = GGRAPH_SAMPLE_UINT; - break; - case SAMPLEFORMAT_INT: - gg_sample_format = GGRAPH_SAMPLE_INT; - break; - case SAMPLEFORMAT_IEEEFP: - gg_sample_format = GGRAPH_SAMPLE_FLOAT; - break; - default: - gg_sample_format = GGRAPH_SAMPLE_UNKNOWN; - break; - }; - infos = - gg_image_infos_create (type, width, height, bits_per_sample, - samples_per_pixel, gg_sample_format, NULL, NULL); - if (!infos) - return GGRAPH_INSUFFICIENT_MEMORY; - if (is_tiled) - { - infos->tile_width = tile_width; - infos->tile_height = tile_height; - } - else - infos->rows_per_strip = rows_strip; - switch (compression) - { - case COMPRESSION_NONE: - infos->compression = GGRAPH_TIFF_COMPRESSION_NONE; - break; - case COMPRESSION_LZW: - infos->compression = GGRAPH_TIFF_COMPRESSION_LZW; - break; - case COMPRESSION_DEFLATE: - infos->compression = GGRAPH_TIFF_COMPRESSION_DEFLATE; - break; - case COMPRESSION_JPEG: - infos->compression = GGRAPH_TIFF_COMPRESSION_JPEG; - break; - case COMPRESSION_CCITTFAX3: - infos->compression = GGRAPH_TIFF_COMPRESSION_CCITTFAX3; - break; - case COMPRESSION_CCITTFAX4: - infos->compression = GGRAPH_TIFF_COMPRESSION_CCITTFAX4; - break; - default: - infos->compression = GGRAPH_TIFF_COMPRESSION_UNKNOWN; - break; - }; - for (i = 0; i < max_palette; i++) - { - infos->palette_red[i] = red[i]; - infos->palette_green[i] = green[i]; - infos->palette_blue[i] = blue[i]; - } - infos->max_palette = max_palette; - TIFFClose (in); - *infos_handle = infos; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_infos_from_tiff (const char *path, gGraphImageInfosPtr * infos_handle) -{ -/* image infos from TIFF */ - gGraphImageInfosPtr infos; - uint16 bits_per_sample; - uint16 samples_per_pixel; - uint16 photometric; - uint16 compression; - uint16 sample_format; - uint16 planar_config; - uint32 width = 0; - uint32 height = 0; - uint32 rows_strip = 0; - int is_tiled; - uint32 tile_width; - uint32 tile_height; - int type; - int gg_sample_format; - TIFF *in = (TIFF *) 0; - int max_palette = 0; - unsigned char red[256]; - unsigned char green[256]; - unsigned char blue[256]; - int i; - *infos_handle = NULL; - -/* suppressing TIFF warnings */ - TIFFSetWarningHandler (NULL); - -/* reading from file */ - in = TIFFOpen (path, "r"); - if (in == NULL) - return GGRAPH_TIFF_CODEC_ERROR; - is_tiled = TIFFIsTiled (in); -/* retrieving the TIFF dimensions */ - TIFFGetField (in, TIFFTAG_IMAGELENGTH, &height); - TIFFGetField (in, TIFFTAG_IMAGEWIDTH, &width); - if (is_tiled) - { - TIFFGetField (in, TIFFTAG_TILEWIDTH, &tile_width); - TIFFGetField (in, TIFFTAG_TILELENGTH, &tile_height); - } - else - TIFFGetField (in, TIFFTAG_ROWSPERSTRIP, &rows_strip); - TIFFGetField (in, TIFFTAG_BITSPERSAMPLE, &bits_per_sample); - if (TIFFGetField (in, TIFFTAG_SAMPLESPERPIXEL, &samples_per_pixel) == 0) - { - /* attempting to recover badly formatted TIFFs */ - samples_per_pixel = 1; - } - TIFFGetField (in, TIFFTAG_PHOTOMETRIC, &photometric); - TIFFGetField (in, TIFFTAG_COMPRESSION, &compression); - if (TIFFGetField (in, TIFFTAG_PLANARCONFIG, &planar_config) == 0) - { - /* attempting to recover badly formatted TIFFs */ - planar_config = 1; - } - if (TIFFGetField (in, TIFFTAG_SAMPLEFORMAT, &sample_format) == 0) - sample_format = SAMPLEFORMAT_UINT; - if (planar_config == PLANARCONFIG_CONTIG) - { - if (sample_format == SAMPLEFORMAT_UINT) - { - if (bits_per_sample == 1 && samples_per_pixel == 1 - && photometric < 2) - { - type = GG_PIXEL_PALETTE; - max_palette = 2; - if (photometric == PHOTOMETRIC_MINISWHITE) - { - red[0] = 255; - green[0] = 255; - blue[0] = 255; - red[1] = 0; - green[1] = 0; - blue[1] = 0; - } - else - { - red[0] = 0; - green[0] = 0; - blue[0] = 0; - red[1] = 255; - green[1] = 255; - blue[1] = 255; - } - } - else if (bits_per_sample == 8 && samples_per_pixel == 1 - && photometric == 3) - { - uint16 *plt_red; - uint16 *plt_green; - uint16 *plt_blue; - type = GG_PIXEL_PALETTE; - TIFFGetField (in, TIFFTAG_COLORMAP, &plt_red, &plt_green, - &plt_blue); - max_palette = 256; - for (i = 0; i < max_palette; i++) - { - if (plt_red[i] < 256) - red[i] = plt_red[i]; - else - red[i] = plt_red[i] / 256; - if (plt_green[i] < 256) - green[i] = plt_green[i]; - else - green[i] = plt_green[i] / 256; - if (plt_blue[i] < 256) - blue[i] = plt_blue[i]; - else - blue[i] = plt_blue[i] / 256; - } - } - else if (bits_per_sample == 8 && samples_per_pixel == 1 - && photometric < 2) - type = GG_PIXEL_GRAYSCALE; - else if (bits_per_sample == 8 && samples_per_pixel == 3) - type = GG_PIXEL_RGB; - else - type = GG_PIXEL_UNKNOWN; - } - else if (samples_per_pixel == 1) - type = GG_PIXEL_GRID; - else - type = GG_PIXEL_UNKNOWN; - } - else - type = GG_PIXEL_UNKNOWN; - switch (sample_format) - { - case SAMPLEFORMAT_UINT: - gg_sample_format = GGRAPH_SAMPLE_UINT; - break; - case SAMPLEFORMAT_INT: - gg_sample_format = GGRAPH_SAMPLE_INT; - break; - case SAMPLEFORMAT_IEEEFP: - gg_sample_format = GGRAPH_SAMPLE_FLOAT; - break; - default: - gg_sample_format = GGRAPH_SAMPLE_UNKNOWN; - break; - }; - infos = - gg_image_infos_create (type, width, height, bits_per_sample, - samples_per_pixel, gg_sample_format, NULL, NULL); - if (!infos) - return GGRAPH_INSUFFICIENT_MEMORY; - if (is_tiled) - { - infos->tile_width = tile_width; - infos->tile_height = tile_height; - } - else - infos->rows_per_strip = rows_strip; - switch (compression) - { - case COMPRESSION_NONE: - infos->compression = GGRAPH_TIFF_COMPRESSION_NONE; - break; - case COMPRESSION_LZW: - infos->compression = GGRAPH_TIFF_COMPRESSION_LZW; - break; - case COMPRESSION_DEFLATE: - infos->compression = GGRAPH_TIFF_COMPRESSION_DEFLATE; - break; - case COMPRESSION_JPEG: - infos->compression = GGRAPH_TIFF_COMPRESSION_JPEG; - break; - case COMPRESSION_CCITTFAX3: - infos->compression = GGRAPH_TIFF_COMPRESSION_CCITTFAX3; - break; - case COMPRESSION_CCITTFAX4: - infos->compression = GGRAPH_TIFF_COMPRESSION_CCITTFAX4; - break; - default: - infos->compression = GGRAPH_TIFF_COMPRESSION_UNKNOWN; - break; - }; - for (i = 0; i < max_palette; i++) - { - infos->palette_red[i] = red[i]; - infos->palette_green[i] = green[i]; - infos->palette_blue[i] = blue[i]; - } - infos->max_palette = max_palette; - TIFFClose (in); - *infos_handle = infos; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_infos_from_geo_tiff (const char *path, - gGraphImageInfosPtr * infos_handle) -{ -/* image infos from GeoTIFF */ - gGraphImageInfosPtr infos; - uint16 bits_per_sample; - uint16 samples_per_pixel; - uint16 photometric; - uint16 compression; - uint16 sample_format; - uint16 planar_config; - uint32 width = 0; - uint32 height = 0; - uint32 rows_strip = 0; - int is_tiled; - uint32 tile_width; - uint32 tile_height; - int type; - int gg_sample_format; - int epsg = -1; - double cx; - double cy; - double upper_left_x; - double upper_left_y; - double upper_right_x; - double lower_left_y; - double pixel_x; - double pixel_y; - char srs_name[1024]; - char proj4text[1024]; - TIFF *in = (TIFF *) 0; - GTIF *gtif = (GTIF *) 0; - GTIFDefn definition; - int max_palette = 0; - unsigned char red[256]; - unsigned char green[256]; - unsigned char blue[256]; - int i; - *infos_handle = NULL; - -/* suppressing TIFF warnings */ - TIFFSetWarningHandler (NULL); - -/* reading from file */ - in = XTIFFOpen (path, "r"); - if (in == NULL) - return GGRAPH_GEOTIFF_CODEC_ERROR; - gtif = GTIFNew (in); - if (gtif == NULL) - goto error; - - if (!GTIFGetDefn (gtif, &definition)) - goto error; -/* retrieving the EPSG code */ - if (definition.PCS == 32767) - { - if (definition.GCS != 32767) - epsg = definition.GCS; - } - else - epsg = definition.PCS; - *srs_name = '\0'; - if (definition.PCS == 32767) - { - /* Get the GCS name if possible */ - char *pszName = NULL; - GTIFGetGCSInfo (definition.GCS, &pszName, NULL, NULL, NULL); - if (pszName != NULL) - strcpy (srs_name, pszName); - CPLFree (pszName); - } - else - { - /* Get the PCS name if possible */ - char *pszPCSName = NULL; - GTIFGetPCSInfo (definition.PCS, &pszPCSName, NULL, NULL, NULL); - if (pszPCSName != NULL) - strcpy (srs_name, pszPCSName); - CPLFree (pszPCSName); - } -/* retrieving the PROJ.4 params */ - strcpy (proj4text, GTIFGetProj4Defn (&definition)); - - is_tiled = TIFFIsTiled (in); -/* retrieving the TIFF dimensions */ - TIFFGetField (in, TIFFTAG_IMAGELENGTH, &height); - TIFFGetField (in, TIFFTAG_IMAGEWIDTH, &width); - if (is_tiled) - { - TIFFGetField (in, TIFFTAG_TILEWIDTH, &tile_width); - TIFFGetField (in, TIFFTAG_TILELENGTH, &tile_height); - } - else - TIFFGetField (in, TIFFTAG_ROWSPERSTRIP, &rows_strip); - TIFFGetField (in, TIFFTAG_BITSPERSAMPLE, &bits_per_sample); - if (TIFFGetField (in, TIFFTAG_SAMPLESPERPIXEL, &samples_per_pixel) == 0) - { - /* attempting to recover badly formatted TIFFs */ - samples_per_pixel = 1; - } - TIFFGetField (in, TIFFTAG_PHOTOMETRIC, &photometric); - TIFFGetField (in, TIFFTAG_COMPRESSION, &compression); - if (TIFFGetField (in, TIFFTAG_PLANARCONFIG, &planar_config) == 0) - { - /* attempting to recover badly formatted TIFFs */ - planar_config = PLANARCONFIG_CONTIG; - } - if (TIFFGetField (in, TIFFTAG_SAMPLEFORMAT, &sample_format) == 0) - sample_format = SAMPLEFORMAT_UINT; - if (planar_config == PLANARCONFIG_CONTIG) - { - if (sample_format == SAMPLEFORMAT_UINT) - { - if (bits_per_sample == 1 && samples_per_pixel == 1 - && photometric < 2) - { - type = GG_PIXEL_PALETTE; - max_palette = 2; - if (photometric == PHOTOMETRIC_MINISWHITE) - { - red[0] = 255; - green[0] = 255; - blue[0] = 255; - red[1] = 0; - green[1] = 0; - blue[1] = 0; - } - else - { - red[0] = 0; - green[0] = 0; - blue[0] = 0; - red[1] = 255; - green[1] = 255; - blue[1] = 255; - } - } - else if (bits_per_sample == 8 && samples_per_pixel == 1 - && photometric == 3) - { - uint16 *plt_red; - uint16 *plt_green; - uint16 *plt_blue; - type = GG_PIXEL_PALETTE; - TIFFGetField (in, TIFFTAG_COLORMAP, &plt_red, &plt_green, - &plt_blue); - max_palette = 256; - for (i = 0; i < max_palette; i++) - { - if (plt_red[i] < 256) - red[i] = plt_red[i]; - else - red[i] = plt_red[i] / 256; - if (plt_green[i] < 256) - green[i] = plt_green[i]; - else - green[i] = plt_green[i] / 256; - if (plt_blue[i] < 256) - blue[i] = plt_blue[i]; - else - blue[i] = plt_blue[i] / 256; - } - } - else if (bits_per_sample == 8 && samples_per_pixel == 1 - && photometric < 2) - type = GG_PIXEL_GRAYSCALE; - else if (bits_per_sample == 8 && samples_per_pixel == 3) - type = GG_PIXEL_RGB; - else - type = GG_PIXEL_UNKNOWN; - } - else if (samples_per_pixel == 1) - type = GG_PIXEL_GRID; - else - type = GG_PIXEL_UNKNOWN; - } - else - type = GG_PIXEL_UNKNOWN; - switch (sample_format) - { - case SAMPLEFORMAT_UINT: - gg_sample_format = GGRAPH_SAMPLE_UINT; - break; - case SAMPLEFORMAT_INT: - gg_sample_format = GGRAPH_SAMPLE_INT; - break; - case SAMPLEFORMAT_IEEEFP: - gg_sample_format = GGRAPH_SAMPLE_FLOAT; - break; - default: - gg_sample_format = GGRAPH_SAMPLE_UNKNOWN; - break; - }; - -/* computing the corners coords */ - cx = 0.0; - cy = 0.0; - GTIFImageToPCS (gtif, &cx, &cy); - upper_left_x = cx; - upper_left_y = cy; - cx = 0.0; - cy = height; - GTIFImageToPCS (gtif, &cx, &cy); - lower_left_y = cy; - cx = width; - cy = 0.0; - GTIFImageToPCS (gtif, &cx, &cy); - upper_right_x = cx; - cx = width; - cy = height; - GTIFImageToPCS (gtif, &cx, &cy); -/* computing the pixel size */ - pixel_x = (upper_right_x - upper_left_x) / (double) width; - pixel_y = (upper_left_y - lower_left_y) / (double) height; - - infos = - gg_image_infos_create (type, width, height, bits_per_sample, - samples_per_pixel, gg_sample_format, srs_name, - proj4text); - if (!infos) - return GGRAPH_INSUFFICIENT_MEMORY; - if (is_tiled) - { - infos->tile_width = tile_width; - infos->tile_height = tile_height; - } - else - infos->rows_per_strip = rows_strip; - switch (compression) - { - case COMPRESSION_NONE: - infos->compression = GGRAPH_TIFF_COMPRESSION_NONE; - break; - case COMPRESSION_LZW: - infos->compression = GGRAPH_TIFF_COMPRESSION_LZW; - break; - case COMPRESSION_DEFLATE: - infos->compression = GGRAPH_TIFF_COMPRESSION_DEFLATE; - break; - case COMPRESSION_JPEG: - infos->compression = GGRAPH_TIFF_COMPRESSION_JPEG; - break; - case COMPRESSION_CCITTFAX3: - infos->compression = GGRAPH_TIFF_COMPRESSION_CCITTFAX3; - break; - case COMPRESSION_CCITTFAX4: - infos->compression = GGRAPH_TIFF_COMPRESSION_CCITTFAX4; - break; - default: - infos->compression = GGRAPH_TIFF_COMPRESSION_UNKNOWN; - break; - }; - for (i = 0; i < max_palette; i++) - { - infos->palette_red[i] = red[i]; - infos->palette_green[i] = green[i]; - infos->palette_blue[i] = blue[i]; - } - infos->max_palette = max_palette; - infos->is_georeferenced = 1; - infos->srid = epsg; - infos->upper_left_x = upper_left_x; - infos->upper_left_y = upper_left_y; - infos->pixel_x_size = pixel_x; - infos->pixel_y_size = pixel_y; - TIFFClose (in); - GTIFFree (gtif); - *infos_handle = infos; - return GGRAPH_OK; - - error: - XTIFFClose (in); - if (gtif) - GTIFFree (gtif); - return GGRAPH_GEOTIFF_CODEC_ERROR; -} - -static int -common_read_from_tiff_grid (TIFF * in, gGraphImagePtr img, uint32 width, - uint32 height, int is_tiled, int gg_sample_format, - uint16 bits_per_sample, uint32 tile_width, - uint32 tile_height, uint32 rows_strip) -{ -/* common utility: decoding a TIFF raster [GRID] */ - unsigned char *raster = NULL; - int x; - int y; - int i; - int img_y; - int strip_no; - int effective_strip; - int tile_x; - int tile_y; - unsigned char *p_in; - unsigned char *p_out; - int ret = GGRAPH_TIFF_CODEC_ERROR; - - if (is_tiled) - { - if (gg_sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (bits_per_sample == 32) - { - /* float */ - raster = malloc (4 * tile_width * tile_height); - } - else - { - /* double */ - raster = malloc (8 * tile_width * tile_height); - } - } - else - { - if (bits_per_sample == 8) - { - /* 8bit Int */ - raster = malloc (tile_width * tile_height); - } - else if (bits_per_sample == 16) - { - /* 16bit Int */ - raster = malloc (2 * tile_width * tile_height); - } - else - { - /* 32bit Int */ - raster = malloc (4 * tile_width * tile_height); - } - } - } - else - { - if (gg_sample_format == GGRAPH_SAMPLE_FLOAT) - { - if (bits_per_sample == 32) - { - /* float */ - raster = malloc (4 * width * rows_strip); - } - else - { - /* double */ - raster = malloc (8 * width * rows_strip); - } - } - else - { - if (bits_per_sample == 8) - { - /* 8bit Int */ - raster = malloc (width * rows_strip); - } - else if (bits_per_sample == 16) - { - /* 16bit Int */ - raster = malloc (2 * width * rows_strip); - } - else - { - /* 32bit Int */ - raster = malloc (4 * width * rows_strip); - } - } - } - - ret = GGRAPH_TIFF_CODEC_ERROR; - if (is_tiled) - { - for (tile_y = 0; tile_y < (int) height; tile_y += tile_height) - { - /* scanning tiles by row */ - for (tile_x = 0; tile_x < (int) width; tile_x += tile_width) - { - /* reading a TIFF tile */ - if (!TIFFReadTile (in, raster, tile_x, tile_y, 0, 0)) - goto error; - for (y = 0; y < (int) tile_height; y++) - { - img_y = tile_y + y; - if (img_y >= (int) height) - continue; - p_in = raster + (tile_width * y * img->pixel_size); - p_out = - img->pixels + (img_y * img->scanline_width) + - (tile_x * img->pixel_size); - for (x = 0; x < (int) tile_width; x++) - { - if (tile_x + x >= (int) width) - break; - for (i = 0; i < img->pixel_size; i++) - *p_out++ = *p_in++; - } - } - } - } - } - else - { - for (strip_no = 0; strip_no < (int) height; strip_no += rows_strip) - { - /* reading a TIFF strip */ - if (!TIFFReadScanline (in, raster, strip_no, 0)) - goto error; - effective_strip = rows_strip; - if ((strip_no + rows_strip) > height) - effective_strip = height - strip_no; - - for (y = 0; y < effective_strip; y++) - { - img_y = strip_no + y; - p_in = raster; - p_out = img->pixels + (img_y * img->scanline_width); - for (x = 0; x < (int) width; x++) - { - for (i = 0; i < img->pixel_size; i++) - *p_out++ = *p_in++; - } - } - } - } - free (raster); - return GGRAPH_OK; - - error: - if (raster) - free (raster); - return ret; -} - -static int -common_read_from_tiff (TIFF * in, gGraphImagePtr img, uint32 width, - uint32 height, int is_tiled, int type, - int gg_sample_format, uint16 bits_per_sample, - uint32 tile_width, uint32 tile_height, uint32 rows_strip) -{ -/* common utility: decoding a TIFF raster */ - uint32 *raster = NULL; - uint32 *scanline; - int x; - int y; - int img_y; - int strip_no; - int effective_strip; - uint32 pixel; - int tile_x; - int tile_y; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char index; - unsigned char *p_out; - int ret = GGRAPH_TIFF_CODEC_ERROR; - - if (type == GG_PIXEL_GRID) - return common_read_from_tiff_grid (in, img, width, height, is_tiled, - gg_sample_format, bits_per_sample, - tile_width, tile_height, rows_strip); - -/* allocating read buffer [plain ordinary image] */ - if (is_tiled) - raster = malloc (sizeof (uint32) * tile_width * tile_height); - else - raster = malloc (sizeof (uint32) * width * rows_strip); - if (!raster) - { - gg_image_destroy (img); - ret = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - - ret = GGRAPH_TIFF_CODEC_ERROR; - if (is_tiled) - { - for (tile_y = 0; tile_y < (int) height; tile_y += tile_height) - { - /* scanning tiles by row */ - for (tile_x = 0; tile_x < (int) width; tile_x += tile_width) - { - /* reading a TIFF tile */ - if (!TIFFReadRGBATile (in, tile_x, tile_y, raster)) - goto error; - for (y = 0; y < (int) tile_height; y++) - { - img_y = tile_y + (tile_height - y) - 1; - if (img_y >= (int) height) - continue; - scanline = raster + (tile_width * y); - for (x = 0; x < (int) tile_width; x++) - { - if (tile_x + x >= (int) width) - break; - p_out = - img->pixels + - (img_y * img->scanline_width) + - ((tile_x + x) * img->pixel_size); - pixel = scanline[x]; - red = TIFFGetR (pixel); - green = TIFFGetG (pixel); - blue = TIFFGetB (pixel); - if (img->pixel_format == GG_PIXEL_PALETTE) - { - /* PALETTE image */ - index = - gg_match_palette (img, red, green, - blue); - *p_out++ = index; - } - else if (img->pixel_format == - GG_PIXEL_GRAYSCALE) - { - /* GRAYSCALE image */ - *p_out++ = red; - } - else - { - /* should be an RGB image */ - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - } - } - } - } - } - else - { - for (strip_no = 0; strip_no < (int) height; strip_no += rows_strip) - { - /* reading a TIFF strip */ - if (!TIFFReadRGBAStrip (in, strip_no, raster)) - goto error; - effective_strip = rows_strip; - if ((strip_no + rows_strip) > height) - effective_strip = height - strip_no; - - for (y = 0; y < effective_strip; y++) - { - img_y = strip_no + ((effective_strip - y) - 1); - scanline = raster + (width * y); - p_out = img->pixels + (img_y * img->scanline_width); - for (x = 0; x < (int) width; x++) - { - pixel = scanline[x]; - red = TIFFGetR (pixel); - green = TIFFGetG (pixel); - blue = TIFFGetB (pixel); - if (img->pixel_format == GG_PIXEL_PALETTE) - { - /* PALETTE image */ - index = - gg_match_palette (img, red, green, blue); - *p_out++ = index; - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - /* GRAYSCALE image */ - *p_out++ = red; - } - else - { - /* should be an RGB image */ - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - } - } - } - } - free (raster); - return GGRAPH_OK; - - error: - if (raster) - free (raster); - return ret; -} - -GGRAPH_PRIVATE int -gg_image_from_mem_tiff (int size, const void *data, - gGraphImagePtr * image_handle) -{ -/* decoding a TIFF (memory cached) */ - gGraphImagePtr img = NULL; - uint16 bits_per_sample; - uint16 samples_per_pixel; - uint16 photometric; - uint16 compression; - uint16 planar_config; - uint16 sample_format; - uint32 width = 0; - uint32 height = 0; - uint32 rows_strip = 0; - struct memfile clientdata; - int is_tiled; - uint32 tile_width; - uint32 tile_height; - int type; - int gg_sample_format; - int ret = GGRAPH_TIFF_CODEC_ERROR; - TIFF *in = (TIFF *) 0; - *image_handle = NULL; - -/* suppressing TIFF warnings */ - TIFFSetWarningHandler (NULL); - -/* reading from memory */ - clientdata.buffer = (unsigned char *) data; - clientdata.size = size; - clientdata.eof = size; - clientdata.current = 0; - in = TIFFClientOpen ("tiff", "r", &clientdata, memory_readproc, - memory_writeproc, memory_seekproc, closeproc, - memory_sizeproc, mapproc, unmapproc); - if (in == NULL) - return GGRAPH_TIFF_CODEC_ERROR; - is_tiled = TIFFIsTiled (in); -/* retrieving the TIFF dimensions */ - TIFFGetField (in, TIFFTAG_IMAGELENGTH, &height); - TIFFGetField (in, TIFFTAG_IMAGEWIDTH, &width); - if (is_tiled) - { - TIFFGetField (in, TIFFTAG_TILEWIDTH, &tile_width); - TIFFGetField (in, TIFFTAG_TILELENGTH, &tile_height); - } - else - TIFFGetField (in, TIFFTAG_ROWSPERSTRIP, &rows_strip); - TIFFGetField (in, TIFFTAG_BITSPERSAMPLE, &bits_per_sample); - if (TIFFGetField (in, TIFFTAG_SAMPLESPERPIXEL, &samples_per_pixel) == 0) - { - /* attempting to recover badly formatted TIFFs */ - samples_per_pixel = 1; - } - TIFFGetField (in, TIFFTAG_PHOTOMETRIC, &photometric); - TIFFGetField (in, TIFFTAG_COMPRESSION, &compression); - if (TIFFGetField (in, TIFFTAG_PLANARCONFIG, &planar_config) == 0) - { - /* attempting to recover badly formatted TIFFs */ - planar_config = PLANARCONFIG_CONTIG; - } - if (TIFFGetField (in, TIFFTAG_SAMPLEFORMAT, &sample_format) == 0) - sample_format = SAMPLEFORMAT_UINT; - if (planar_config == PLANARCONFIG_CONTIG) - { - if (sample_format == SAMPLEFORMAT_UINT) - { - if (bits_per_sample == 1 && samples_per_pixel == 1) - type = GG_PIXEL_PALETTE; - else if (bits_per_sample == 8 && samples_per_pixel == 1 - && photometric == 3) - type = GG_PIXEL_PALETTE; - else if (bits_per_sample == 8 && samples_per_pixel == 1 - && photometric < 2) - type = GG_PIXEL_GRAYSCALE; - else if (bits_per_sample == 8 && samples_per_pixel == 3) - type = GG_PIXEL_RGB; - else - type = GG_PIXEL_UNKNOWN; - } - else if (samples_per_pixel == 1) - type = GG_PIXEL_GRID; - else - type = GG_PIXEL_UNKNOWN; - } - else - type = GG_PIXEL_UNKNOWN; - switch (sample_format) - { - case SAMPLEFORMAT_UINT: - gg_sample_format = GGRAPH_SAMPLE_UINT; - break; - case SAMPLEFORMAT_INT: - gg_sample_format = GGRAPH_SAMPLE_INT; - break; - case SAMPLEFORMAT_IEEEFP: - gg_sample_format = GGRAPH_SAMPLE_FLOAT; - break; - default: - gg_sample_format = GGRAPH_SAMPLE_UNKNOWN; - break; - }; - if (type == GG_PIXEL_UNKNOWN) - { - ret = GGRAPH_UNSUPPORTED_TIFF_LAYOUT; - goto error; - } - - img = - gg_image_create (type, width, height, bits_per_sample, - samples_per_pixel, gg_sample_format, NULL, NULL); - if (!img) - { - ret = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - if (is_tiled) - { - img->tile_width = tile_width; - img->tile_height = tile_height; - } - else - img->rows_per_strip = rows_strip; - switch (compression) - { - case COMPRESSION_NONE: - img->compression = GGRAPH_TIFF_COMPRESSION_NONE; - break; - case COMPRESSION_LZW: - img->compression = GGRAPH_TIFF_COMPRESSION_LZW; - break; - case COMPRESSION_DEFLATE: - img->compression = GGRAPH_TIFF_COMPRESSION_DEFLATE; - break; - case COMPRESSION_JPEG: - img->compression = GGRAPH_TIFF_COMPRESSION_JPEG; - break; - case COMPRESSION_CCITTFAX3: - img->compression = GGRAPH_TIFF_COMPRESSION_CCITTFAX3; - break; - case COMPRESSION_CCITTFAX4: - img->compression = GGRAPH_TIFF_COMPRESSION_CCITTFAX4; - break; - default: - img->compression = GGRAPH_TIFF_COMPRESSION_UNKNOWN; - break; - }; - - ret = - common_read_from_tiff (in, img, width, height, is_tiled, type, - gg_sample_format, bits_per_sample, tile_width, - tile_height, rows_strip); - if (ret != GGRAPH_OK) - goto error; - - TIFFClose (in); - *image_handle = img; - return GGRAPH_OK; - - error: - TIFFClose (in); - if (img) - gGraphDestroyImage (img); - return ret; -} - -GGRAPH_PRIVATE int -gg_image_strip_prepare_from_tiff (const char *path, - gGraphStripImagePtr * image_handle) -{ -/* preparing to decode a TIFF [by meta-strips] */ - gGraphStripImagePtr img = NULL; - uint16 bits_per_sample; - uint16 samples_per_pixel; - uint16 photometric; - uint16 compression; - uint16 planar_config; - uint16 sample_format; - uint32 width = 0; - uint32 height = 0; - uint32 rows_strip = 0; - int is_tiled; - uint32 tile_width; - uint32 tile_height; - int type; - int gg_sample_format; - struct tiff_codec_data *tiff_codec = NULL; - tsize_t buf_size; - void *tiff_buffer = NULL; - int ret = GGRAPH_TIFF_CODEC_ERROR; - TIFF *in = (TIFF *) 0; - *image_handle = NULL; - -/* suppressing TIFF warnings */ - TIFFSetWarningHandler (NULL); - -/* reading from file */ - in = TIFFOpen (path, "r"); - if (in == NULL) - return GGRAPH_TIFF_CODEC_ERROR; - is_tiled = TIFFIsTiled (in); -/* retrieving the TIFF dimensions */ - TIFFGetField (in, TIFFTAG_IMAGELENGTH, &height); - TIFFGetField (in, TIFFTAG_IMAGEWIDTH, &width); - if (is_tiled) - { - TIFFGetField (in, TIFFTAG_TILEWIDTH, &tile_width); - TIFFGetField (in, TIFFTAG_TILELENGTH, &tile_height); - } - else - TIFFGetField (in, TIFFTAG_ROWSPERSTRIP, &rows_strip); - TIFFGetField (in, TIFFTAG_BITSPERSAMPLE, &bits_per_sample); - if (TIFFGetField (in, TIFFTAG_SAMPLESPERPIXEL, &samples_per_pixel) == 0) - { - /* attempting to recover badly formatted TIFFs */ - samples_per_pixel = 1; - } - TIFFGetField (in, TIFFTAG_PHOTOMETRIC, &photometric); - TIFFGetField (in, TIFFTAG_COMPRESSION, &compression); - if (TIFFGetField (in, TIFFTAG_PLANARCONFIG, &planar_config) == 0) - { - /* attempting to recover badly formatted TIFFs */ - planar_config = PLANARCONFIG_CONTIG; - } - if (TIFFGetField (in, TIFFTAG_SAMPLEFORMAT, &sample_format) == 0) - sample_format = SAMPLEFORMAT_UINT; - if (planar_config == PLANARCONFIG_CONTIG) - { - if (sample_format == SAMPLEFORMAT_UINT) - { - if (bits_per_sample == 1 && samples_per_pixel == 1) - type = GG_PIXEL_PALETTE; - else if (bits_per_sample == 8 && samples_per_pixel == 1 - && photometric == 3) - type = GG_PIXEL_PALETTE; - else if (bits_per_sample == 8 && samples_per_pixel == 1 - && photometric < 2) - type = GG_PIXEL_GRAYSCALE; - else if (bits_per_sample == 8 && samples_per_pixel == 3) - type = GG_PIXEL_RGB; - else - type = GG_PIXEL_UNKNOWN; - } - else if (samples_per_pixel == 1) - type = GG_PIXEL_GRID; - else - type = GG_PIXEL_UNKNOWN; - } - else - type = GG_PIXEL_UNKNOWN; - switch (sample_format) - { - case SAMPLEFORMAT_UINT: - gg_sample_format = GGRAPH_SAMPLE_UINT; - break; - case SAMPLEFORMAT_INT: - gg_sample_format = GGRAPH_SAMPLE_INT; - break; - case SAMPLEFORMAT_IEEEFP: - gg_sample_format = GGRAPH_SAMPLE_FLOAT; - break; - default: - gg_sample_format = GGRAPH_SAMPLE_UNKNOWN; - break; - }; - if (type == GG_PIXEL_UNKNOWN) - { - ret = GGRAPH_UNSUPPORTED_TIFF_LAYOUT; - goto error; - } - - img = - gg_strip_image_create (NULL, GGRAPH_IMAGE_TIFF, type, width, height, - bits_per_sample, samples_per_pixel, - gg_sample_format, NULL, NULL); - if (!img) - { - ret = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - if (is_tiled) - { - img->tile_width = tile_width; - img->tile_height = tile_height; - } - else - img->rows_per_strip = rows_strip; - switch (compression) - { - case COMPRESSION_NONE: - img->compression = GGRAPH_TIFF_COMPRESSION_NONE; - break; - case COMPRESSION_LZW: - img->compression = GGRAPH_TIFF_COMPRESSION_LZW; - break; - case COMPRESSION_DEFLATE: - img->compression = GGRAPH_TIFF_COMPRESSION_DEFLATE; - break; - case COMPRESSION_JPEG: - img->compression = GGRAPH_TIFF_COMPRESSION_JPEG; - break; - case COMPRESSION_CCITTFAX3: - img->compression = GGRAPH_TIFF_COMPRESSION_CCITTFAX3; - break; - case COMPRESSION_CCITTFAX4: - img->compression = GGRAPH_TIFF_COMPRESSION_CCITTFAX4; - break; - default: - img->compression = GGRAPH_TIFF_COMPRESSION_UNKNOWN; - break; - }; - if (photometric == PHOTOMETRIC_PALETTE) - { - /* populating the palette */ - int i; - uint16 *red; - uint16 *green; - uint16 *blue; - TIFFGetField (in, TIFFTAG_COLORMAP, &red, &green, &blue); - switch (bits_per_sample) - { - case 1: - img->max_palette = 2; - break; - case 2: - img->max_palette = 4; - break; - case 3: - img->max_palette = 8; - break; - case 4: - img->max_palette = 16; - break; - case 5: - img->max_palette = 32; - break; - case 6: - img->max_palette = 64; - break; - case 7: - img->max_palette = 128; - break; - default: - img->max_palette = 256; - break; - }; - for (i = 0; i < img->max_palette; i++) - { - unsigned char r; - unsigned char g; - unsigned char b; - if (red[i] < 256) - r = red[i]; - else - r = red[i] / 256; - if (green[i] < 256) - g = green[i]; - else - g = green[i] / 256; - if (blue[i] < 256) - b = blue[i]; - else - b = blue[i] / 256; - img->palette_red[i] = r; - img->palette_green[i] = g; - img->palette_blue[i] = b; - } - } - if (bits_per_sample == 1 && img->max_palette == 0) - { - /* populating a monochrome palette */ - if (photometric == PHOTOMETRIC_MINISBLACK) - { - img->palette_red[0] = 0; - img->palette_green[0] = 0; - img->palette_blue[0] = 0; - img->palette_red[1] = 255; - img->palette_green[1] = 255; - img->palette_blue[1] = 255; - img->max_palette = 2; - } - else - { - img->palette_red[0] = 255; - img->palette_green[0] = 255; - img->palette_blue[0] = 255; - img->palette_red[1] = 0; - img->palette_green[1] = 0; - img->palette_blue[1] = 0; - img->max_palette = 2; - } - } - -/* setting up the TIFF codec struct */ - tiff_codec = malloc (sizeof (struct tiff_codec_data)); - if (!tiff_codec) - goto error; - tiff_codec->is_geotiff = 0; - tiff_codec->is_writer = 0; - tiff_codec->tiff_handle = in; - tiff_codec->geotiff_handle = (GTIF *) 0; - tiff_codec->tiff_buffer = NULL; - tiff_codec->is_tiled = is_tiled; - img->codec_data = tiff_codec; - -/* allocating the TIFF read buffer */ - if (type == GG_PIXEL_GRID) - { - if (is_tiled) - buf_size = TIFFTileSize (in); - else - buf_size = TIFFScanlineSize (in); - } - else - { - if (is_tiled) - buf_size = sizeof (uint32) * tile_width * tile_height; - else - buf_size = sizeof (uint32) * width * rows_strip; - } - tiff_buffer = malloc (buf_size); - if (!tiff_buffer) - goto error; - tiff_codec->tiff_buffer = tiff_buffer; - - *image_handle = img; - return GGRAPH_OK; - - error: - TIFFClose (in); - if (img) - gGraphDestroyImage (img); - return ret; -} - -GGRAPH_PRIVATE int -gg_image_strip_prepare_from_geotiff (const char *path, - gGraphStripImagePtr * image_handle) -{ -/* preparing to decode a GeoTIFF [by meta-strips] */ - gGraphStripImagePtr img = NULL; - uint16 bits_per_sample; - uint16 samples_per_pixel; - uint16 photometric; - uint16 compression; - uint16 planar_config; - uint16 sample_format; - uint32 width = 0; - uint32 height = 0; - uint32 rows_strip = 0; - int is_tiled; - uint32 tile_width; - uint32 tile_height; - int type; - int gg_sample_format; - int epsg = -1; - double cx; - double cy; - double upper_left_x; - double upper_left_y; - double upper_right_x; - double lower_left_y; - double pixel_x; - double pixel_y; - char srs_name[1024]; - char proj4text[1024]; - struct tiff_codec_data *tiff_codec = NULL; - tsize_t buf_size; - void *tiff_buffer = NULL; - int ret = GGRAPH_TIFF_CODEC_ERROR; - TIFF *in = (TIFF *) 0; - GTIF *gtif = (GTIF *) 0; - GTIFDefn definition; - *image_handle = NULL; - -/* suppressing TIFF warnings */ - TIFFSetWarningHandler (NULL); - -/* reading from file */ - in = XTIFFOpen (path, "r"); - if (in == NULL) - return GGRAPH_GEOTIFF_CODEC_ERROR; - gtif = GTIFNew (in); - if (gtif == NULL) - goto error; - - if (!GTIFGetDefn (gtif, &definition)) - goto error; - -/* retrieving the EPSG code */ - if (definition.PCS == 32767) - { - if (definition.GCS != 32767) - epsg = definition.GCS; - } - else - epsg = definition.PCS; - *srs_name = '\0'; - if (definition.PCS == 32767) - { - /* Get the GCS name if possible */ - char *pszName = NULL; - GTIFGetGCSInfo (definition.GCS, &pszName, NULL, NULL, NULL); - if (pszName != NULL) - strcpy (srs_name, pszName); - CPLFree (pszName); - } - else - { - /* Get the PCS name if possible */ - char *pszPCSName = NULL; - GTIFGetPCSInfo (definition.PCS, &pszPCSName, NULL, NULL, NULL); - if (pszPCSName != NULL) - strcpy (srs_name, pszPCSName); - CPLFree (pszPCSName); - } -/* retrieving the PROJ.4 params */ - strcpy (proj4text, GTIFGetProj4Defn (&definition)); - - is_tiled = TIFFIsTiled (in); -/* retrieving the TIFF dimensions */ - TIFFGetField (in, TIFFTAG_IMAGELENGTH, &height); - TIFFGetField (in, TIFFTAG_IMAGEWIDTH, &width); - if (is_tiled) - { - TIFFGetField (in, TIFFTAG_TILEWIDTH, &tile_width); - TIFFGetField (in, TIFFTAG_TILELENGTH, &tile_height); - } - else - TIFFGetField (in, TIFFTAG_ROWSPERSTRIP, &rows_strip); - TIFFGetField (in, TIFFTAG_BITSPERSAMPLE, &bits_per_sample); - if (TIFFGetField (in, TIFFTAG_SAMPLESPERPIXEL, &samples_per_pixel) == 0) - { - /* attempting to recover badly formatted TIFFs */ - samples_per_pixel = 1; - } - TIFFGetField (in, TIFFTAG_PHOTOMETRIC, &photometric); - TIFFGetField (in, TIFFTAG_COMPRESSION, &compression); - if (TIFFGetField (in, TIFFTAG_PLANARCONFIG, &planar_config) == 0) - { - /* attempting to recover badly formatted TIFFs */ - planar_config = PLANARCONFIG_CONTIG; - } - if (TIFFGetField (in, TIFFTAG_SAMPLEFORMAT, &sample_format) == 0) - sample_format = SAMPLEFORMAT_UINT; - if (planar_config == PLANARCONFIG_CONTIG) - { - if (sample_format == SAMPLEFORMAT_UINT) - { - if (bits_per_sample == 1 && samples_per_pixel == 1) - type = GG_PIXEL_PALETTE; - else if (bits_per_sample == 8 && samples_per_pixel == 1 - && photometric == 3) - type = GG_PIXEL_PALETTE; - else if (bits_per_sample == 8 && samples_per_pixel == 1 - && photometric < 2) - type = GG_PIXEL_GRAYSCALE; - else if (bits_per_sample == 8 && samples_per_pixel == 3) - type = GG_PIXEL_RGB; - else - type = GG_PIXEL_UNKNOWN; - } - else if (samples_per_pixel == 1) - type = GG_PIXEL_GRID; - else - type = GG_PIXEL_UNKNOWN; - } - else - type = GG_PIXEL_UNKNOWN; - switch (sample_format) - { - case SAMPLEFORMAT_UINT: - gg_sample_format = GGRAPH_SAMPLE_UINT; - break; - case SAMPLEFORMAT_INT: - gg_sample_format = GGRAPH_SAMPLE_INT; - break; - case SAMPLEFORMAT_IEEEFP: - gg_sample_format = GGRAPH_SAMPLE_FLOAT; - break; - default: - gg_sample_format = GGRAPH_SAMPLE_UNKNOWN; - break; - }; - -/* computing the corners coords */ - cx = 0.0; - cy = 0.0; - GTIFImageToPCS (gtif, &cx, &cy); - upper_left_x = cx; - upper_left_y = cy; - cx = 0.0; - cy = height; - GTIFImageToPCS (gtif, &cx, &cy); - lower_left_y = cy; - cx = width; - cy = 0.0; - GTIFImageToPCS (gtif, &cx, &cy); - upper_right_x = cx; - cx = width; - cy = height; - GTIFImageToPCS (gtif, &cx, &cy); -/* computing the pixel size */ - pixel_x = (upper_right_x - upper_left_x) / (double) width; - pixel_y = (upper_left_y - lower_left_y) / (double) height; - if (type == GG_PIXEL_UNKNOWN) - { - ret = GGRAPH_UNSUPPORTED_TIFF_LAYOUT; - goto error; - } - - img = - gg_strip_image_create (NULL, GGRAPH_IMAGE_TIFF, type, width, height, - bits_per_sample, samples_per_pixel, - gg_sample_format, srs_name, proj4text); - if (!img) - { - ret = GGRAPH_INSUFFICIENT_MEMORY; - goto error; - } - if (is_tiled) - { - img->tile_width = tile_width; - img->tile_height = tile_height; - } - else - img->rows_per_strip = rows_strip; - img->is_georeferenced = 1; - img->srid = epsg; - img->upper_left_x = upper_left_x; - img->upper_left_y = upper_left_y; - img->pixel_x_size = pixel_x; - img->pixel_y_size = pixel_y; - switch (compression) - { - case COMPRESSION_NONE: - img->compression = GGRAPH_TIFF_COMPRESSION_NONE; - break; - case COMPRESSION_LZW: - img->compression = GGRAPH_TIFF_COMPRESSION_LZW; - break; - case COMPRESSION_DEFLATE: - img->compression = GGRAPH_TIFF_COMPRESSION_DEFLATE; - break; - case COMPRESSION_JPEG: - img->compression = GGRAPH_TIFF_COMPRESSION_JPEG; - break; - case COMPRESSION_CCITTFAX3: - img->compression = GGRAPH_TIFF_COMPRESSION_CCITTFAX3; - break; - case COMPRESSION_CCITTFAX4: - img->compression = GGRAPH_TIFF_COMPRESSION_CCITTFAX4; - break; - default: - img->compression = GGRAPH_TIFF_COMPRESSION_UNKNOWN; - break; - }; - if (photometric == PHOTOMETRIC_PALETTE) - { - /* populating the palette */ - int i; - uint16 *red; - uint16 *green; - uint16 *blue; - TIFFGetField (in, TIFFTAG_COLORMAP, &red, &green, &blue); - switch (bits_per_sample) - { - case 2: - img->max_palette = 4; - break; - case 3: - img->max_palette = 8; - break; - case 4: - img->max_palette = 16; - break; - case 5: - img->max_palette = 32; - break; - case 6: - img->max_palette = 64; - break; - case 7: - img->max_palette = 128; - break; - default: - img->max_palette = 256; - break; - }; - for (i = 0; i < img->max_palette; i++) - { - unsigned char r; - unsigned char g; - unsigned char b; - if (red[i] < 256) - r = red[i]; - else - r = red[i] / 256; - if (green[i] < 256) - g = green[i]; - else - g = green[i] / 256; - if (blue[i] < 256) - b = blue[i]; - else - b = blue[i] / 256; - img->palette_red[i] = r; - img->palette_green[i] = g; - img->palette_blue[i] = b; - } - } - if (bits_per_sample == 1 && img->max_palette == 0) - { - /* populating a monochrome palette */ - if (photometric == PHOTOMETRIC_MINISBLACK) - { - img->palette_red[0] = 0; - img->palette_green[0] = 0; - img->palette_blue[0] = 0; - img->palette_red[1] = 255; - img->palette_green[1] = 255; - img->palette_blue[1] = 255; - img->max_palette = 2; - } - else - { - img->palette_red[0] = 255; - img->palette_green[0] = 255; - img->palette_blue[0] = 255; - img->palette_red[1] = 0; - img->palette_green[1] = 0; - img->palette_blue[1] = 0; - img->max_palette = 2; - } - } - -/* setting up the TIFF codec struct */ - tiff_codec = malloc (sizeof (struct tiff_codec_data)); - if (!tiff_codec) - goto error; - tiff_codec->is_geotiff = 1; - tiff_codec->is_writer = 0; - tiff_codec->tiff_handle = in; - tiff_codec->geotiff_handle = gtif; - tiff_codec->tiff_buffer = NULL; - tiff_codec->is_tiled = is_tiled; - img->codec_data = tiff_codec; - -/* allocating the TIFF read buffer */ - if (type == GG_PIXEL_GRID) - { - if (is_tiled) - buf_size = TIFFTileSize (in); - else - buf_size = TIFFScanlineSize (in); - } - else - { - if (is_tiled) - buf_size = sizeof (uint32) * tile_width * tile_height; - else - buf_size = sizeof (uint32) * width * rows_strip; - } - tiff_buffer = malloc (buf_size); - if (!tiff_buffer) - goto error; - tiff_codec->tiff_buffer = tiff_buffer; - - *image_handle = img; - return GGRAPH_OK; - - error: - XTIFFClose (in); - if (gtif) - GTIFFree (gtif); - if (img) - gGraphDestroyImage (img); - return ret; -} - -GGRAPH_PRIVATE void -gg_tiff_codec_destroy (void *p) -{ -/* destroyng the TIFF codec data */ - struct tiff_codec_data *codec = (struct tiff_codec_data *) p; - if (!codec) - return; - if (codec->is_geotiff) - { - XTIFFClose (codec->tiff_handle); - GTIFFree (codec->geotiff_handle); - } - else - TIFFClose (codec->tiff_handle); - if (codec->tiff_buffer) - free (codec->tiff_buffer); - free (codec); -} - -static int -common_strip_read_from_tiff_grid (TIFF * in, void *tiff_buffer, - gGraphStripImagePtr img, uint32 width, - uint32 height, int is_tiled, - uint32 tile_width, uint32 tile_height) -{ -/* common utility: decoding a TIFF raster [GRID] by meta-strip */ - void *raster = tiff_buffer; - int x; - int y; - int strip_no; - int tile_x; - int tile_y; - char *p_in_int8; - char *p_out_int8; - unsigned char *p_in_uint8; - unsigned char *p_out_uint8; - short *p_in_int16; - short *p_out_int16; - unsigned short *p_in_uint16; - unsigned short *p_out_uint16; - int *p_in_int32; - int *p_out_int32; - unsigned int *p_in_uint32; - unsigned int *p_out_uint32; - float *p_in_flt; - float *p_out_flt; - double *p_in_dbl; - double *p_out_dbl; - int begin_row = img->next_row; - int end_row = img->next_row + img->rows_per_block; - - if (end_row > img->height) - end_row = img->height; - - if (is_tiled) - { - for (tile_y = 0; tile_y < (int) height; tile_y += tile_height) - { - /* scanning tiles by row */ - if ((tile_y + tile_height) <= (uint32) begin_row) - continue; - if (tile_y >= end_row) - break; - for (tile_x = 0; tile_x < (int) width; tile_x += tile_width) - { - /* reading a TIFF tile */ - if (!TIFFReadTile (in, raster, tile_x, tile_y, 0, 0)) - return GGRAPH_TIFF_CODEC_ERROR; - for (y = 0; y < (int) tile_height; y++) - { - if ((tile_y + y) < begin_row) - continue; - if ((tile_y + y) >= end_row) - continue; - switch (img->sample_format) - { - case GGRAPH_SAMPLE_INT: - switch (img->bits_per_sample) - { - case 8: - p_in_int8 = raster; - p_in_int8 += y * tile_width; - break; - case 16: - p_in_int16 = raster; - p_in_int16 += y * tile_width; - break; - case 32: - p_in_int32 = raster; - p_in_int32 += y * tile_width; - break; - }; - break; - case GGRAPH_SAMPLE_UINT: - switch (img->bits_per_sample) - { - case 8: - p_in_uint8 = raster; - p_in_uint8 += y * tile_width; - break; - case 16: - p_in_uint16 = raster; - p_in_uint16 += y * tile_width; - break; - case 32: - p_in_uint32 = raster; - p_in_uint32 += y * tile_width; - break; - }; - break; - case GGRAPH_SAMPLE_FLOAT: - switch (img->bits_per_sample) - { - case 32: - p_in_flt = raster; - p_in_flt += y * tile_width; - break; - case 64: - p_in_dbl = raster; - p_in_dbl += y * tile_width; - break; - } - break; - }; - for (x = 0; x < (int) tile_width; x++) - { - if (tile_x + x >= (int) width) - break; - switch (img->sample_format) - { - case GGRAPH_SAMPLE_INT: - switch (img->bits_per_sample) - { - case 8: - p_out_int8 = - (char *) (img->pixels); - p_out_int8 += - (img->width * - ((tile_y + y) - begin_row)) + - (tile_x + x); - *p_out_int8 = *p_in_int8++; - break; - case 16: - p_out_int16 = - (short *) (img->pixels); - p_out_int16 += - (img->width * - ((tile_y + y) - begin_row)) + - (tile_x + x); - *p_out_int16 = *p_in_int16++; - break; - case 32: - p_out_int32 = - (int *) (img->pixels); - p_out_int32 += - (img->width * - ((tile_y + y) - begin_row)) + - (tile_x + x); - *p_out_int32 = *p_in_int32++; - break; - }; - break; - case GGRAPH_SAMPLE_UINT: - switch (img->bits_per_sample) - { - case 8: - p_out_uint8 = - (unsigned char - *) (img->pixels); - p_out_uint8 += - (img->width * - ((tile_y + y) - begin_row)) + - (tile_x + x); - *p_out_uint8 = *p_in_uint8++; - break; - case 16: - p_out_uint16 = - (unsigned short - *) (img->pixels); - p_out_uint16 += - (img->width * - ((tile_y + y) - begin_row)) + - (tile_x + x); - *p_out_uint16 = *p_in_uint16++; - break; - case 32: - p_out_uint32 = - (unsigned int - *) (img->pixels); - p_out_uint32 += - (img->width * - ((tile_y + y) - begin_row)) + - (tile_x + x); - *p_out_uint32 = *p_in_uint32++; - break; - } - break; - case GGRAPH_SAMPLE_FLOAT: - switch (img->bits_per_sample) - { - case 32: - p_out_flt = - (float *) (img->pixels); - p_out_flt += - (img->width * - ((tile_y + y) - begin_row)) + - (tile_x + x); - *p_out_flt = *p_in_flt++; - break; - case 64: - p_out_dbl = - (double *) (img->pixels); - p_out_dbl += - (img->width * - ((tile_y + y) - begin_row)) + - (tile_x + x); - *p_out_dbl = *p_in_dbl++; - break; - }; - break; - }; - } - } - } - } - img->next_row += end_row - begin_row; - img->current_available_rows = end_row - begin_row; - } - else - { - for (strip_no = begin_row; strip_no < end_row; strip_no++) - { - /* reading a TIFF strip */ - if (!TIFFReadScanline (in, raster, strip_no, 0)) - return GGRAPH_TIFF_CODEC_ERROR; - switch (img->sample_format) - { - case GGRAPH_SAMPLE_INT: - switch (img->bits_per_sample) - { - case 8: - p_in_int8 = raster; - p_out_int8 = (char *) (img->pixels); - p_out_int8 += img->width * (strip_no - begin_row); - break; - case 16: - p_in_int16 = raster; - p_out_int16 = (short *) (img->pixels); - p_out_int16 += img->width * (strip_no - begin_row); - break; - case 32: - p_in_int32 = raster; - p_out_int32 = (int *) (img->pixels); - p_out_int32 += img->width * (strip_no - begin_row); - break; - }; - break; - case GGRAPH_SAMPLE_UINT: - switch (img->bits_per_sample) - { - case 8: - p_in_uint8 = raster; - p_out_uint8 = (unsigned char *) (img->pixels); - p_out_uint8 += img->width * (strip_no - begin_row); - break; - case 16: - p_in_uint16 = raster; - p_out_uint16 = (unsigned short *) (img->pixels); - p_out_uint16 += img->width * (strip_no - begin_row); - break; - case 32: - p_in_uint32 = raster; - p_out_uint32 = (unsigned int *) (img->pixels); - p_out_uint32 += img->width * (strip_no - begin_row); - break; - }; - break; - case GGRAPH_SAMPLE_FLOAT: - switch (img->bits_per_sample) - { - case 32: - p_in_flt = raster; - p_out_flt = (float *) (img->pixels); - p_out_flt += img->width * (strip_no - begin_row); - break; - case 64: - p_in_dbl = raster; - p_out_dbl = (double *) (img->pixels); - p_out_dbl += img->width * (strip_no - begin_row); - break; - } - break; - }; - for (x = 0; x < (int) width; x++) - { - switch (img->sample_format) - { - case GGRAPH_SAMPLE_INT: - switch (img->bits_per_sample) - { - case 8: - *p_out_int8++ = *p_in_int8++; - break; - case 16: - *p_out_int16++ = *p_in_int16++; - break; - case 32: - *p_out_int32++ = *p_in_int32++; - break; - }; - break; - case GGRAPH_SAMPLE_UINT: - switch (img->bits_per_sample) - { - case 8: - *p_out_uint8++ = *p_in_uint8++; - break; - case 16: - *p_out_uint16++ = *p_in_uint16++; - break; - case 32: - *p_out_uint32++ = *p_in_uint32++; - break; - } - break; - case GGRAPH_SAMPLE_FLOAT: - switch (img->bits_per_sample) - { - case 32: - *p_out_flt++ = *p_in_flt++; - break; - case 64: - *p_out_dbl++ = *p_in_dbl++; - break; - }; - break; - }; - } - } - img->next_row += end_row - begin_row; - img->current_available_rows = end_row - begin_row; - } - return GGRAPH_OK; -} - -GGRAPH_PRIVATE unsigned char -gg_match_strip_palette (const gGraphStripImagePtr img, unsigned char r, - unsigned char g, unsigned char b) -{ -/* handling palette colors */ - int index; - double min_dist = DBL_MAX; - double dist; - int min_index; - for (index = 0; index < img->max_palette; index++) - { - /* searching if already defined */ - if (img->palette_red[index] == r && img->palette_green[index] == g - && img->palette_blue[index] == b) - return (unsigned char) index; - } - if (img->max_palette < 255) - { - /* inserting a new palette entry */ - unsigned char i = img->max_palette; - img->max_palette += 1; - img->palette_red[i] = r; - img->palette_green[i] = g; - img->palette_blue[i] = b; - return i; - } -/* all right, the palette is already fully populated */ - for (index = 0; index < img->max_palette; index++) - { - /* computing the minimal euclidean distance */ - dist = - sqrt (((img->palette_red[index] - r) * (img->palette_red[index] - - r)) + - ((img->palette_green[index] - - g) * (img->palette_green[index] - g)) + - ((img->palette_blue[index] - - b) * (img->palette_blue[index] - b))); - if (dist < min_dist) - { - min_dist = dist; - min_index = index; - } - } - return (unsigned char) min_index; -} - -static int -common_strip_read_from_tiff (TIFF * in, void *tiff_buffer, - gGraphStripImagePtr img, uint32 width, - uint32 height, int is_tiled, int type, - uint32 tile_width, uint32 tile_height, - uint32 rows_strip) -{ -/* common utility: decoding a TIFF raster [by meta-strip] */ - uint32 *raster = tiff_buffer; - uint32 *scanline; - int x; - int y; - int img_y; - int strip_no; - uint32 pixel; - int tile_x; - int tile_y; - unsigned char red; - unsigned char green; - unsigned char blue; - unsigned char index; - unsigned char *p_out; - int begin_row = img->next_row; - int end_row = img->next_row + img->rows_per_block; - - if (type == GG_PIXEL_GRID) - return common_strip_read_from_tiff_grid (in, tiff_buffer, img, width, - height, is_tiled, tile_width, - tile_height); - - if (end_row > img->height) - end_row = img->height; - - if (is_tiled) - { - for (tile_y = 0; tile_y < (int) height; tile_y += tile_height) - { - /* scanning tiles by row */ - if ((tile_y + tile_height) <= (uint32) begin_row) - continue; - if (tile_y >= end_row) - break; - for (tile_x = 0; tile_x < (int) width; tile_x += tile_width) - { - /* reading a TIFF tile */ - if (!TIFFReadRGBATile (in, tile_x, tile_y, raster)) - return GGRAPH_TIFF_CODEC_ERROR; - for (y = 0; y < (int) tile_height; y++) - { - img_y = tile_y + (tile_height - y) - 1; - if (img_y < begin_row) - continue; - if (img_y >= end_row) - continue; - scanline = raster + (y * tile_width); - for (x = 0; x < (int) tile_width; x++) - { - if (tile_x + x >= (int) width) - break; - p_out = - img->pixels + - (img->scanline_width * - (img_y - begin_row)); - p_out += (tile_x + x) * img->pixel_size; - pixel = scanline[x]; - red = TIFFGetR (pixel); - green = TIFFGetG (pixel); - blue = TIFFGetB (pixel); - if (img->pixel_format == GG_PIXEL_PALETTE) - { - /* PALETTE image */ - index = - gg_match_strip_palette (img, red, - green, - blue); - *p_out++ = index; - } - else if (img->pixel_format == - GG_PIXEL_GRAYSCALE) - { - /* GRAYSCALE image */ - *p_out++ = red; - } - else - { - /* should be an RGB image */ - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - } - } - } - } - img->next_row += end_row - begin_row; - img->current_available_rows = end_row - begin_row; - } - else - { - for (strip_no = 0; strip_no < (int) height; strip_no += rows_strip) - { - /* reading a TIFF strip */ - int effective_strip = rows_strip; - if ((strip_no + rows_strip) <= (uint32) begin_row) - continue; - if (strip_no >= end_row) - break; - if (!TIFFReadRGBAStrip (in, strip_no, raster)) - return GGRAPH_TIFF_CODEC_ERROR; - if ((strip_no + rows_strip) > height) - effective_strip = height - strip_no; - for (y = 0; y < (int) effective_strip; y++) - { - img_y = (strip_no + effective_strip) - (y + 1); - if (img_y < begin_row) - continue; - if (img_y >= end_row) - continue; - scanline = raster + (y * width); - p_out = - img->pixels + - (img->scanline_width * (img_y - begin_row)); - for (x = 0; x < (int) width; x++) - { - pixel = scanline[x]; - red = TIFFGetR (pixel); - green = TIFFGetG (pixel); - blue = TIFFGetB (pixel); - if (img->pixel_format == GG_PIXEL_PALETTE) - { - /* PALETTE image */ - index = - gg_match_strip_palette (img, red, green, - blue); - *p_out++ = index; - } - else if (img->pixel_format == GG_PIXEL_GRAYSCALE) - { - /* GRAYSCALE image */ - *p_out++ = red; - } - else - { - /* should be an RGB image */ - *p_out++ = red; - *p_out++ = green; - *p_out++ = blue; - } - } - } - } - img->next_row += end_row - begin_row; - img->current_available_rows = end_row - begin_row; - } - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_strip_read_from_tiff (gGraphStripImagePtr img, int *progress) -{ -/* decoding a TIFF [by meta-strip] */ - struct tiff_codec_data *tiff_codec = - (struct tiff_codec_data *) (img->codec_data); - uint32 width = img->width; - uint32 height = img->height; - uint32 rows_strip = img->rows_per_strip; - int is_tiled = tiff_codec->is_tiled; - uint32 tile_width = img->tile_width; - uint32 tile_height = img->tile_height; - int type = img->pixel_format; - TIFF *in = tiff_codec->tiff_handle; - - int ret = - common_strip_read_from_tiff (in, tiff_codec->tiff_buffer, img, width, - height, is_tiled, type, tile_width, - tile_height, rows_strip); - - if (ret == GGRAPH_OK && progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return ret; -} - -GGRAPH_PRIVATE int -gg_image_prepare_to_tiff_by_strip (const gGraphStripImagePtr img, - const char *path, int layout, int tile_width, - int tile_height, int rows_per_strip, - int color_model, int bits_per_sample, - int sample_format, int num_palette, - unsigned char *red, unsigned char *green, - unsigned char *blue, int compression) -{ -/* preparing to export a TIFF [by meta-strips] */ - TIFF *out = (TIFF *) 0; - uint16 r_plt[256]; - uint16 g_plt[256]; - uint16 b_plt[256]; - int i; - int tiff_type; - tsize_t buf_size; - void *tiff_buffer = NULL; - struct tiff_codec_data *tiff_codec = NULL; - -/* suppressing TIFF warnings */ - TIFFSetWarningHandler (NULL); - -/* writing to file */ - out = TIFFOpen (path, "w"); - if (out == NULL) - goto error; - -/* setting up the TIFF headers */ - TIFFSetField (out, TIFFTAG_SUBFILETYPE, 0); - TIFFSetField (out, TIFFTAG_IMAGEWIDTH, img->width); - TIFFSetField (out, TIFFTAG_IMAGELENGTH, img->height); - TIFFSetField (out, TIFFTAG_XRESOLUTION, 300.0); - TIFFSetField (out, TIFFTAG_YRESOLUTION, 300.0); - TIFFSetField (out, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH); - TIFFSetField (out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); - TIFFSetField (out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT); - if (color_model == GGRAPH_COLORSPACE_PALETTE) - { - if (num_palette == 2) - { - if ((red[0] == 255 && green[0] == 255 && blue[0] == 255 - && red[1] == 0 && green[1] == 0 && blue[1] == 0) - || (red[0] == 0 && green[0] == 0 && blue[0] == 0 - && red[1] == 255 && green[1] == 255 && blue[1] == 255)) - { - /* MONOCHROME */ - tiff_type = TIFF_TYPE_MONOCHROME; - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, - SAMPLEFORMAT_UINT); - TIFFSetField (out, TIFFTAG_SAMPLESPERPIXEL, 1); - TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, 1); - TIFFSetField (out, TIFFTAG_FILLORDER, FILLORDER_MSB2LSB); - TIFFSetField (out, TIFFTAG_PHOTOMETRIC, - PHOTOMETRIC_MINISWHITE); - if (compression == GGRAPH_TIFF_COMPRESSION_CCITTFAX3) - TIFFSetField (out, TIFFTAG_COMPRESSION, - COMPRESSION_CCITTFAX3); - else if (compression == GGRAPH_TIFF_COMPRESSION_CCITTFAX4) - TIFFSetField (out, TIFFTAG_COMPRESSION, - COMPRESSION_CCITTFAX4); - else - TIFFSetField (out, TIFFTAG_COMPRESSION, - COMPRESSION_NONE); - goto header_done; - } - } - /* PALETTE */ - tiff_type = TIFF_TYPE_PALETTE; - for (i = 0; i < img->max_palette; i++) - { - r_plt[i] = img->palette_red[i] * 256; - g_plt[i] = img->palette_green[i] * 256; - b_plt[i] = img->palette_blue[i] * 256; - } - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_UINT); - TIFFSetField (out, TIFFTAG_SAMPLESPERPIXEL, 1); - TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, 8); - TIFFSetField (out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE); - TIFFSetField (out, TIFFTAG_COLORMAP, r_plt, g_plt, b_plt); - if (compression == GGRAPH_TIFF_COMPRESSION_LZW) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_LZW); - else if (compression == GGRAPH_TIFF_COMPRESSION_DEFLATE) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE); - else - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_NONE); - } - if (color_model == GGRAPH_COLORSPACE_GRAYSCALE) - { - /* GRAYSCALE */ - tiff_type = TIFF_TYPE_GRAYSCALE; - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_UINT); - TIFFSetField (out, TIFFTAG_SAMPLESPERPIXEL, 1); - TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, 8); - TIFFSetField (out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK); - if (compression == GGRAPH_TIFF_COMPRESSION_LZW) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_LZW); - else if (compression == GGRAPH_TIFF_COMPRESSION_DEFLATE) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE); - else if (compression == GGRAPH_TIFF_COMPRESSION_JPEG) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_JPEG); - else - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_NONE); - } - if (color_model == GGRAPH_COLORSPACE_TRUECOLOR - || color_model == GGRAPH_COLORSPACE_TRUECOLOR_ALPHA) - { - /* RGB */ - tiff_type = TIFF_TYPE_RGB; - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_UINT); - TIFFSetField (out, TIFFTAG_SAMPLESPERPIXEL, 3); - TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, 8); - TIFFSetField (out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB); - if (compression == GGRAPH_TIFF_COMPRESSION_LZW) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_LZW); - else if (compression == GGRAPH_TIFF_COMPRESSION_DEFLATE) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE); - else if (compression == GGRAPH_TIFF_COMPRESSION_JPEG) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_JPEG); - else - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_NONE); - } - if (color_model == GGRAPH_COLORSPACE_GRID) - { - /* GRID data */ - - tiff_type = TIFF_TYPE_GRID; - if (sample_format == GGRAPH_SAMPLE_INT) - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_INT); - if (sample_format == GGRAPH_SAMPLE_UINT) - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_UINT); - if (sample_format == GGRAPH_SAMPLE_FLOAT) - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_IEEEFP); - TIFFSetField (out, TIFFTAG_SAMPLESPERPIXEL, 1); - TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, bits_per_sample); - TIFFSetField (out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK); - if (compression == GGRAPH_TIFF_COMPRESSION_LZW) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_LZW); - else if (compression == GGRAPH_TIFF_COMPRESSION_DEFLATE) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE); - else - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_NONE); - } - - header_done: - TIFFSetField (out, TIFFTAG_SOFTWARE, "GaiaGraphics-tools"); - if (layout == GGRAPH_TIFF_LAYOUT_TILES) - { - TIFFSetField (out, TIFFTAG_TILEWIDTH, tile_width); - TIFFSetField (out, TIFFTAG_TILELENGTH, tile_height); - } - else - TIFFSetField (out, TIFFTAG_ROWSPERSTRIP, rows_per_strip); - -/* setting up the TIFF codec struct */ - tiff_codec = malloc (sizeof (struct tiff_codec_data)); - if (!tiff_codec) - goto error; - tiff_codec->is_geotiff = 0; - tiff_codec->is_writer = 1; - tiff_codec->tiff_handle = out; - tiff_codec->geotiff_handle = (GTIF *) 0; - tiff_codec->tiff_buffer = NULL; - if (layout == GGRAPH_TIFF_LAYOUT_TILES) - tiff_codec->is_tiled = 1; - else - tiff_codec->is_tiled = 0; - tiff_codec->tiff_type = tiff_type; - img->codec_data = tiff_codec; - -/* allocating the TIFF write buffer */ - if (img->pixel_format == GG_PIXEL_GRID) - { - if (tiff_codec->is_tiled) - buf_size = TIFFTileSize (out); - else - buf_size = TIFFScanlineSize (out); - } - else - { - if (tiff_codec->is_tiled) - buf_size = TIFFTileSize (out); - else - buf_size = TIFFScanlineSize (out); - } - tiff_buffer = malloc (buf_size); - if (!tiff_buffer) - goto error; - tiff_codec->tiff_buffer = tiff_buffer; - - return GGRAPH_OK; - - error: - if (out) - TIFFClose (out); - return GGRAPH_TIFF_CODEC_ERROR; -} - -static int -is_projected_srs (const char *proj4text) -{ -/* checks if this one is a PCS SRS */ - if (proj4text == NULL) - return 1; - if (strlen (proj4text) > 14) - { - if (strncmp (proj4text, "+proj=longlat ", 14) == 0) - return 0; - } - return 1; -} - -GGRAPH_PRIVATE int -gg_image_prepare_to_geotiff_by_strip (const gGraphStripImagePtr img, - const char *path, int layout, - int tile_width, int tile_height, - int rows_per_strip, int color_model, - int bits_per_sample, int sample_format, - int num_palette, unsigned char *red, - unsigned char *green, unsigned char *blue, - int compression) -{ -/* preparing to export a GeoTIFF [by meta-strips] */ - TIFF *out = (TIFF *) 0; - GTIF *gtif = (GTIF *) 0; - double tiepoint[6]; - double pixsize[3]; - uint16 r_plt[256]; - uint16 g_plt[256]; - uint16 b_plt[256]; - int i; - int tiff_type; - tsize_t buf_size; - void *tiff_buffer = NULL; - struct tiff_codec_data *tiff_codec = NULL; - -/* suppressing TIFF warnings */ - TIFFSetWarningHandler (NULL); - -/* writing to file */ - out = XTIFFOpen (path, "w"); - if (out == NULL) - goto error; - gtif = GTIFNew (out); - if (!gtif) - goto error; - -/* setting up the TIFF headers */ - TIFFSetField (out, TIFFTAG_SUBFILETYPE, 0); - TIFFSetField (out, TIFFTAG_IMAGEWIDTH, img->width); - TIFFSetField (out, TIFFTAG_IMAGELENGTH, img->height); - TIFFSetField (out, TIFFTAG_XRESOLUTION, 300.0); - TIFFSetField (out, TIFFTAG_YRESOLUTION, 300.0); - TIFFSetField (out, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH); - TIFFSetField (out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); - TIFFSetField (out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT); - if (color_model == GGRAPH_COLORSPACE_PALETTE) - { - if (num_palette == 2) - { - if ((red[0] == 255 && green[0] == 255 && blue[0] == 255 - && red[1] == 0 && green[1] == 0 && blue[1] == 0) - || (red[0] == 0 && green[0] == 0 && blue[0] == 0 - && red[1] == 255 && green[1] == 255 && blue[1] == 255)) - { - /* MONOCHROME */ - tiff_type = TIFF_TYPE_MONOCHROME; - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, - SAMPLEFORMAT_UINT); - TIFFSetField (out, TIFFTAG_SAMPLESPERPIXEL, 1); - TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, 1); - TIFFSetField (out, TIFFTAG_FILLORDER, FILLORDER_MSB2LSB); - TIFFSetField (out, TIFFTAG_PHOTOMETRIC, - PHOTOMETRIC_MINISWHITE); - if (compression == GGRAPH_TIFF_COMPRESSION_CCITTFAX3) - TIFFSetField (out, TIFFTAG_COMPRESSION, - COMPRESSION_CCITTFAX3); - else if (compression == GGRAPH_TIFF_COMPRESSION_CCITTFAX4) - TIFFSetField (out, TIFFTAG_COMPRESSION, - COMPRESSION_CCITTFAX4); - else - TIFFSetField (out, TIFFTAG_COMPRESSION, - COMPRESSION_NONE); - goto header_done; - } - } - /* PALETTE */ - tiff_type = TIFF_TYPE_PALETTE; - for (i = 0; i < img->max_palette; i++) - { - r_plt[i] = img->palette_red[i] * 256; - g_plt[i] = img->palette_green[i] * 256; - b_plt[i] = img->palette_blue[i] * 256; - } - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_UINT); - TIFFSetField (out, TIFFTAG_SAMPLESPERPIXEL, 1); - TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, 8); - TIFFSetField (out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE); - TIFFSetField (out, TIFFTAG_COLORMAP, r_plt, g_plt, b_plt); - if (compression == GGRAPH_TIFF_COMPRESSION_LZW) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_LZW); - else if (compression == GGRAPH_TIFF_COMPRESSION_DEFLATE) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE); - else - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_NONE); - } - if (color_model == GGRAPH_COLORSPACE_GRAYSCALE) - { - /* GRAYSCALE */ - tiff_type = TIFF_TYPE_GRAYSCALE; - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_UINT); - TIFFSetField (out, TIFFTAG_SAMPLESPERPIXEL, 1); - TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, 8); - TIFFSetField (out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK); - if (compression == GGRAPH_TIFF_COMPRESSION_LZW) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_LZW); - else if (compression == GGRAPH_TIFF_COMPRESSION_DEFLATE) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE); - else if (compression == GGRAPH_TIFF_COMPRESSION_JPEG) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_JPEG); - else - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_NONE); - } - if (color_model == GGRAPH_COLORSPACE_TRUECOLOR - || color_model == GGRAPH_COLORSPACE_TRUECOLOR_ALPHA) - { - /* RGB */ - tiff_type = TIFF_TYPE_RGB; - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_UINT); - TIFFSetField (out, TIFFTAG_SAMPLESPERPIXEL, 3); - TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, 8); - TIFFSetField (out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB); - if (compression == GGRAPH_TIFF_COMPRESSION_LZW) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_LZW); - else if (compression == GGRAPH_TIFF_COMPRESSION_DEFLATE) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE); - else if (compression == GGRAPH_TIFF_COMPRESSION_JPEG) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_JPEG); - else - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_NONE); - } - if (color_model == GGRAPH_COLORSPACE_GRID) - { - /* GRID data */ - - tiff_type = TIFF_TYPE_GRID; - if (sample_format == GGRAPH_SAMPLE_INT) - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_INT); - if (sample_format == GGRAPH_SAMPLE_UINT) - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_UINT); - if (sample_format == GGRAPH_SAMPLE_FLOAT) - TIFFSetField (out, TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_IEEEFP); - TIFFSetField (out, TIFFTAG_SAMPLESPERPIXEL, 1); - TIFFSetField (out, TIFFTAG_BITSPERSAMPLE, bits_per_sample); - TIFFSetField (out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK); - if (compression == GGRAPH_TIFF_COMPRESSION_LZW) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_LZW); - else if (compression == GGRAPH_TIFF_COMPRESSION_DEFLATE) - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_DEFLATE); - else - TIFFSetField (out, TIFFTAG_COMPRESSION, COMPRESSION_NONE); - } - - header_done: - TIFFSetField (out, TIFFTAG_SOFTWARE, "GaiaGraphics-tools"); - if (layout == GGRAPH_TIFF_LAYOUT_TILES) - { - TIFFSetField (out, TIFFTAG_TILEWIDTH, tile_width); - TIFFSetField (out, TIFFTAG_TILELENGTH, tile_height); - } - else - TIFFSetField (out, TIFFTAG_ROWSPERSTRIP, rows_per_strip); - -/* setting up the GeoTIFF Tags */ - pixsize[0] = img->pixel_x_size; - pixsize[1] = img->pixel_y_size; - pixsize[2] = 0.0; - TIFFSetField (out, GTIFF_PIXELSCALE, 3, pixsize); - tiepoint[0] = 0.0; - tiepoint[1] = 0.0; - tiepoint[2] = 0.0; - tiepoint[3] = img->upper_left_x; - tiepoint[4] = img->upper_left_y; - tiepoint[5] = 0.0; - TIFFSetField (out, GTIFF_TIEPOINTS, 6, tiepoint); - if (img->srs_name != NULL) - TIFFSetField (out, GTIFF_ASCIIPARAMS, img->srs_name); - if (img->proj4text != NULL) - GTIFSetFromProj4 (gtif, img->proj4text); - if (img->srs_name != NULL) - GTIFKeySet (gtif, GTCitationGeoKey, TYPE_ASCII, 0, img->srs_name); - if (is_projected_srs (img->proj4text)) - GTIFKeySet (gtif, ProjectedCSTypeGeoKey, TYPE_SHORT, 1, img->srid); - GTIFWriteKeys (gtif); - -/* setting up the TIFF codec struct */ - tiff_codec = malloc (sizeof (struct tiff_codec_data)); - if (!tiff_codec) - goto error; - tiff_codec->is_geotiff = 0; - tiff_codec->is_writer = 1; - tiff_codec->tiff_handle = out; - tiff_codec->geotiff_handle = (GTIF *) 0; - tiff_codec->tiff_buffer = NULL; - if (layout == GGRAPH_TIFF_LAYOUT_TILES) - tiff_codec->is_tiled = 1; - else - tiff_codec->is_tiled = 0; - tiff_codec->tiff_type = tiff_type; - img->codec_data = tiff_codec; - -/* allocating the TIFF write buffer */ - if (img->pixel_format == GG_PIXEL_GRID) - { - if (tiff_codec->is_tiled) - buf_size = TIFFTileSize (out); - else - buf_size = TIFFScanlineSize (out); - } - else - { - if (tiff_codec->is_tiled) - buf_size = TIFFTileSize (out); - else - buf_size = TIFFScanlineSize (out); - } - tiff_buffer = malloc (buf_size); - if (!tiff_buffer) - goto error; - tiff_codec->tiff_buffer = tiff_buffer; - - return GGRAPH_OK; - - error: - if (gtif) - GTIFFree (gtif); - if (out) - XTIFFClose (out); - return GGRAPH_TIFF_CODEC_ERROR; -} - -static int -tiff_write_tile_grid (const gGraphStripImagePtr img) -{ -/* scanline(s) TIFF compression [tiles] GRID data */ - struct tiff_codec_data *tiff_codec = - (struct tiff_codec_data *) (img->codec_data); - TIFF *out = tiff_codec->tiff_handle; - int tile_width = img->tile_width; - int tile_height = img->tile_height; - int row; - int col; - void *tile = tiff_codec->tiff_buffer; - char *p_in_int8; - char *p_out_int8; - unsigned char *p_in_uint8; - unsigned char *p_out_uint8; - short *p_in_int16; - short *p_out_int16; - unsigned short *p_in_uint16; - unsigned short *p_out_uint16; - int *p_in_int32; - int *p_out_int32; - unsigned int *p_in_uint32; - unsigned int *p_out_uint32; - float *p_in_flt; - float *p_out_flt; - double *p_in_dbl; - double *p_out_dbl; - uint32 tile_x; - uint32 tile_y; - int num_rows; - int num_cols; - - tile_y = img->next_row; - if (tile_y + tile_height > (uint32) (img->height)) - num_rows = img->height - tile_y; - else - num_rows = tile_height; - if (num_rows != img->current_available_rows) - return GGRAPH_TIFF_CODEC_ERROR; - - for (tile_x = 0; tile_x < (uint32) (img->width); tile_x += tile_width) - { - /* feeding a tile */ - if (tile_x + tile_width > (uint32) (img->width)) - num_cols = img->width - tile_x; - else - num_cols = tile_width; - for (row = 0; row < num_rows; row++) - { - switch (img->sample_format) - { - case GGRAPH_SAMPLE_UINT: - switch (img->bits_per_sample) - { - case 8: - p_out_uint8 = tile; - p_out_uint8 += (row * tile_width); - p_in_uint8 = (unsigned char *) (img->pixels); - p_in_uint8 += (row * img->width) + tile_x; - break; - case 16: - p_out_uint16 = tile; - p_out_uint16 += (row * tile_width); - p_in_uint16 = (unsigned short *) (img->pixels); - p_in_uint16 += (row * img->width) + tile_x; - break; - case 32: - p_out_uint32 = tile; - p_out_uint32 += (row * tile_width); - p_in_uint32 = (unsigned int *) (img->pixels); - p_in_uint32 += (row * img->width) + tile_x; - break; - }; - break; - case GGRAPH_SAMPLE_INT: - switch (img->bits_per_sample) - { - case 8: - p_out_int8 = tile; - p_out_int8 += (row * tile_width); - p_in_int8 = (char *) (img->pixels); - p_in_int8 += (row * img->width) + tile_x; - break; - case 16: - p_out_int16 = tile; - p_out_int16 += (row * tile_width); - p_in_int16 = (short *) (img->pixels); - p_in_int16 += (row * img->width) + tile_x; - break; - case 32: - p_out_int32 = tile; - p_out_int32 += (row * tile_width); - p_in_int32 = (int *) (img->pixels); - p_in_int32 += (row * img->width) + tile_x; - break; - }; - break; - case GGRAPH_SAMPLE_FLOAT: - switch (img->bits_per_sample) - { - case 32: - p_out_flt = tile; - p_out_flt += (row * tile_width); - p_in_flt = (float *) (img->pixels); - p_in_flt += (row * img->width) + tile_x; - break; - case 64: - p_out_dbl = tile; - p_out_dbl += (row * tile_width); - p_in_dbl = (double *) (img->pixels); - p_in_dbl += (row * img->width) + tile_x; - break; - }; - break; - }; - for (col = 0; col < num_cols; col++) - { - switch (img->sample_format) - { - case GGRAPH_SAMPLE_UINT: - switch (img->bits_per_sample) - { - case 8: - *p_out_uint8++ = *p_in_uint8++; - break; - case 16: - *p_out_uint16++ = *p_in_uint16++; - break; - case 32: - *p_out_uint32++ = *p_in_uint32++; - break; - }; - break; - case GGRAPH_SAMPLE_INT: - switch (img->bits_per_sample) - { - case 8: - *p_out_int8++ = *p_in_int8++; - break; - case 16: - *p_out_int16++ = *p_in_int16++; - break; - case 32: - *p_out_int32++ = *p_in_int32++; - break; - }; - break; - case GGRAPH_SAMPLE_FLOAT: - switch (img->bits_per_sample) - { - case 32: - *p_out_flt++ = *p_in_flt++; - break; - case 16: - *p_out_dbl++ = *p_in_dbl++; - break; - }; - break; - }; - } - } - if (TIFFWriteTile (out, tile, tile_x, tile_y, 0, 0) < 0) - return GGRAPH_TIFF_CODEC_ERROR; - } - img->next_row += num_rows; - return GGRAPH_OK; -} - -static int -tiff_write_strip_grid (const gGraphStripImagePtr img) -{ -/* scanline(s) TIFF compression [strips] GRID data */ - struct tiff_codec_data *tiff_codec = - (struct tiff_codec_data *) (img->codec_data); - TIFF *out = tiff_codec->tiff_handle; - int row; - int col; - void *scanline = tiff_codec->tiff_buffer; - char *p_in_int8; - char *p_out_int8; - unsigned char *p_in_uint8; - unsigned char *p_out_uint8; - short *p_in_int16; - short *p_out_int16; - unsigned short *p_in_uint16; - unsigned short *p_out_uint16; - int *p_in_int32; - int *p_out_int32; - unsigned int *p_in_uint32; - unsigned int *p_out_uint32; - float *p_in_flt; - float *p_out_flt; - double *p_in_dbl; - double *p_out_dbl; - - for (row = 0; row < img->current_available_rows; row++) - { - switch (img->sample_format) - { - case GGRAPH_SAMPLE_UINT: - switch (img->bits_per_sample) - { - case 8: - p_in_uint8 = (unsigned char *) (img->pixels); - p_in_uint8 += row * img->width; - p_out_uint8 = scanline; - break; - case 16: - p_in_uint16 = (unsigned short *) (img->pixels); - p_in_uint16 += row * img->width; - p_out_uint16 = scanline; - break; - case 32: - p_in_uint32 = (unsigned int *) (img->pixels); - p_in_uint32 += row * img->width; - p_out_uint32 = scanline; - break; - }; - break; - case GGRAPH_SAMPLE_INT: - switch (img->bits_per_sample) - { - case 8: - p_in_int8 = (char *) (img->pixels); - p_in_int8 += row * img->width; - p_out_int8 = scanline; - break; - case 16: - p_in_int16 = (short *) (img->pixels); - p_in_int16 += row * img->width; - p_out_int16 = scanline; - break; - case 32: - p_in_int32 = (int *) (img->pixels); - p_in_int32 += row * img->width; - p_out_int32 = scanline; - break; - }; - break; - case GGRAPH_SAMPLE_FLOAT: - switch (img->bits_per_sample) - { - case 32: - p_in_flt = (float *) (img->pixels); - p_in_flt += row * img->width; - p_out_flt = scanline; - break; - case 64: - p_in_dbl = (double *) (img->pixels); - p_in_dbl += row * img->width; - p_out_dbl = scanline; - break; - }; - break; - }; - for (col = 0; col < img->width; col++) - { - switch (img->sample_format) - { - case GGRAPH_SAMPLE_UINT: - switch (img->bits_per_sample) - { - case 8: - *p_out_uint8++ = *p_in_uint8++; - break; - case 16: - *p_out_uint16++ = *p_in_uint16++; - break; - case 32: - *p_out_uint32++ = *p_in_uint32++; - break; - }; - break; - case GGRAPH_SAMPLE_INT: - switch (img->bits_per_sample) - { - case 8: - *p_out_int8++ = *p_in_int8++; - break; - case 16: - *p_out_int16++ = *p_in_int16++; - break; - case 32: - *p_out_int32++ = *p_in_int32++; - break; - }; - break; - case GGRAPH_SAMPLE_FLOAT: - switch (img->bits_per_sample) - { - case 32: - *p_out_flt++ = *p_in_flt++; - break; - case 16: - *p_out_dbl++ = *p_in_dbl++; - break; - }; - break; - }; - } - if (TIFFWriteScanline (out, scanline, img->next_row + row, 0) < 0) - return GGRAPH_TIFF_CODEC_ERROR; - } - img->next_row += img->current_available_rows; - return GGRAPH_OK; -} - -static int -tiff_write_tile_monochrome (const gGraphStripImagePtr img) -{ -/* scanline(s) TIFF compression [tiles] MONOCHROME */ - struct tiff_codec_data *tiff_codec = - (struct tiff_codec_data *) (img->codec_data); - TIFF *out = tiff_codec->tiff_handle; - int tile_width = img->tile_width; - int tile_height = img->tile_height; - int row; - int col; - int pixel; - unsigned char byte; - int pos; - unsigned char *tile = tiff_codec->tiff_buffer; - unsigned char *line_ptr; - uint32 tile_x; - uint32 tile_y; - int num_rows; - int num_cols; - tsize_t scan_bytes = TIFFTileSize (out) / tile_height; - - tile_y = img->next_row; - if (tile_y + tile_height > (uint32) (img->height)) - num_rows = img->height - tile_y; - else - num_rows = tile_height; - if (num_rows != img->current_available_rows) - return GGRAPH_TIFF_CODEC_ERROR; - - for (tile_x = 0; tile_x < (uint32) (img->width); tile_x += tile_width) - { - /* feeding a tile */ - if (tile_x + tile_width > (uint32) (img->width)) - num_cols = img->width - tile_x; - else - num_cols = tile_width; - for (row = 0; row < num_rows; row++) - { - unsigned char *p_in; - byte = 0x00; - pos = 0; - line_ptr = tile + (row * scan_bytes); - for (col = 0; col < num_cols; col++) - { - p_in = img->pixels + (row * img->scanline_width) + - ((tile_x + col) * img->pixel_size); - pixel = img->palette_red[*p_in]; /* expected to be a PALETTE image */ - if (pixel == 0) - { - /* handling a black pixel */ - switch (pos) - { - case 0: - byte |= 0x80; - break; - case 1: - byte |= 0x40; - break; - case 2: - byte |= 0x20; - break; - case 3: - byte |= 0x10; - break; - case 4: - byte |= 0x08; - break; - case 5: - byte |= 0x04; - break; - case 6: - byte |= 0x02; - break; - case 7: - byte |= 0x01; - break; - }; - } - pos++; - if (pos > 7) - { - /* exporting an octet */ - *line_ptr++ = byte; - byte = 0x00; - pos = 0; - } - } - if (pos > 0) /* exporting the last octet */ - *line_ptr++ = byte; - } - if (TIFFWriteTile (out, tile, tile_x, tile_y, 0, 0) < 0) - return GGRAPH_TIFF_CODEC_ERROR; - } - img->next_row += num_rows; - return GGRAPH_OK; -} - -static int -tiff_write_strip_monochrome (const gGraphStripImagePtr img) -{ -/* scanline(s) TIFF compression [strips] MONOCHROME */ - struct tiff_codec_data *tiff_codec = - (struct tiff_codec_data *) (img->codec_data); - TIFF *out = tiff_codec->tiff_handle; - int row; - int col; - int pixel; - unsigned char byte; - int pos; - unsigned char *scanline = tiff_codec->tiff_buffer; - unsigned char *line_ptr; - for (row = 0; row < img->current_available_rows; row++) - { - unsigned char *p_in = img->pixels + (row * img->scanline_width); - line_ptr = scanline; - for (col = 0; col < img->width; col++) - byte = 0x00; - pos = 0; - for (col = 0; col < img->width; col++) - { - pixel = img->palette_red[*p_in++]; /* expected to be a PALETTE image */ - if (pixel == 0) - { - /* handling a black pixel */ - switch (pos) - { - case 0: - byte |= 0x80; - break; - case 1: - byte |= 0x40; - break; - case 2: - byte |= 0x20; - break; - case 3: - byte |= 0x10; - break; - case 4: - byte |= 0x08; - break; - case 5: - byte |= 0x04; - break; - case 6: - byte |= 0x02; - break; - case 7: - byte |= 0x01; - break; - }; - } - pos++; - if (pos > 7) - { - /* exporting an octet */ - *line_ptr++ = byte; - byte = 0x00; - pos = 0; - } - } - if (pos > 0) /* exporting the last octet */ - *line_ptr++ = byte; - if (TIFFWriteScanline (out, scanline, img->next_row + row, 0) < 0) - return GGRAPH_TIFF_CODEC_ERROR; - } - img->next_row += img->current_available_rows; - return GGRAPH_OK; -} - -static int -tiff_write_tile_palette (const gGraphStripImagePtr img) -{ -/* scanline(s) TIFF compression [tiles] PALETTE */ - struct tiff_codec_data *tiff_codec = - (struct tiff_codec_data *) (img->codec_data); - TIFF *out = tiff_codec->tiff_handle; - int tile_width = img->tile_width; - int tile_height = img->tile_height; - int row; - int col; - unsigned char *tile = tiff_codec->tiff_buffer; - unsigned char *line_ptr; - uint32 tile_x; - uint32 tile_y; - int num_rows; - int num_cols; - - tile_y = img->next_row; - if (tile_y + tile_height > (uint32) (img->height)) - num_rows = img->height - tile_y; - else - num_rows = tile_height; - if (num_rows != img->current_available_rows) - return GGRAPH_TIFF_CODEC_ERROR; - - for (tile_x = 0; tile_x < (uint32) (img->width); tile_x += tile_width) - { - /* feeding a tile */ - if (tile_x + tile_width > (uint32) (img->width)) - num_cols = img->width - tile_x; - else - num_cols = tile_width; - for (row = 0; row < num_rows; row++) - { - unsigned char *p_in; - line_ptr = tile + (row * tile_width); - for (col = 0; col < num_cols; col++) - { - p_in = img->pixels + (row * img->scanline_width) + - ((tile_x + col) * img->pixel_size); - *line_ptr++ = *p_in++; /* expected to be a PALETTE image anyway */ - } - } - if (TIFFWriteTile (out, tile, tile_x, tile_y, 0, 0) < 0) - return GGRAPH_TIFF_CODEC_ERROR; - } - img->next_row += num_rows; - return GGRAPH_OK; -} - -static int -tiff_write_strip_palette (const gGraphStripImagePtr img) -{ -/* scanline(s) TIFF compression [strips] PALETTE */ - struct tiff_codec_data *tiff_codec = - (struct tiff_codec_data *) (img->codec_data); - TIFF *out = tiff_codec->tiff_handle; - int row; - int col; - unsigned char *scanline = tiff_codec->tiff_buffer; - unsigned char *line_ptr; - for (row = 0; row < img->current_available_rows; row++) - { - unsigned char *p_in = img->pixels + (row * img->scanline_width); - line_ptr = scanline; - for (col = 0; col < img->width; col++) - *line_ptr++ = *p_in++; /* expected to be a PALETTE image anyway */ - if (TIFFWriteScanline (out, scanline, img->next_row + row, 0) < 0) - return GGRAPH_TIFF_CODEC_ERROR; - } - img->next_row += img->current_available_rows; - return GGRAPH_OK; -} - -static int -tiff_write_tile_grayscale (const gGraphStripImagePtr img) -{ -/* scanline(s) TIFF compression [tiles] GRAYSCALE */ - struct tiff_codec_data *tiff_codec = - (struct tiff_codec_data *) (img->codec_data); - TIFF *out = tiff_codec->tiff_handle; - int tile_width = img->tile_width; - int tile_height = img->tile_height; - int row; - int col; - unsigned char *tile = tiff_codec->tiff_buffer; - unsigned char *line_ptr; - uint32 tile_x; - uint32 tile_y; - int num_rows; - int num_cols; - - tile_y = img->next_row; - if (tile_y + tile_height > (uint32) (img->height)) - num_rows = img->height - tile_y; - else - num_rows = tile_height; - if (num_rows != img->current_available_rows) - return GGRAPH_TIFF_CODEC_ERROR; - - for (tile_x = 0; tile_x < (uint32) (img->width); tile_x += tile_width) - { - /* feeding a tile */ - if (tile_x + tile_width > (uint32) (img->width)) - num_cols = img->width - tile_x; - else - num_cols = tile_width; - for (row = 0; row < num_rows; row++) - { - unsigned char *p_in; - line_ptr = tile + (row * tile_width); - for (col = 0; col < num_cols; col++) - { - p_in = img->pixels + (row * img->scanline_width) + - ((tile_x + col) * img->pixel_size); - *line_ptr++ = *p_in++; /* expected to be a GRAYSCALE image anyway */ - } - } - if (TIFFWriteTile (out, tile, tile_x, tile_y, 0, 0) < 0) - return GGRAPH_TIFF_CODEC_ERROR; - } - img->next_row += num_rows; - return GGRAPH_OK; -} - -static int -tiff_write_strip_grayscale (const gGraphStripImagePtr img) -{ -/* scanline(s) TIFF compression [strips] GRAYSCALE */ - struct tiff_codec_data *tiff_codec = - (struct tiff_codec_data *) (img->codec_data); - TIFF *out = tiff_codec->tiff_handle; - int row; - int col; - unsigned char *scanline = tiff_codec->tiff_buffer; - unsigned char *line_ptr; - - for (row = 0; row < img->current_available_rows; row++) - { - unsigned char *p_in = img->pixels + (row * img->scanline_width); - line_ptr = scanline; - for (col = 0; col < img->width; col++) - *line_ptr++ = *p_in++; /* expected to be a GRAYSCALE image anyway */ - if (TIFFWriteScanline (out, scanline, img->next_row + row, 0) < 0) - return GGRAPH_TIFF_CODEC_ERROR; - } - img->next_row += img->current_available_rows; - return GGRAPH_OK; -} - -static int -tiff_write_tile_rgb (const gGraphStripImagePtr img) -{ -/* scanline(s) TIFF compression [tiles] RGB */ - struct tiff_codec_data *tiff_codec = - (struct tiff_codec_data *) (img->codec_data); - TIFF *out = tiff_codec->tiff_handle; - int tile_width = img->tile_width; - int tile_height = img->tile_height; - int row; - int col; - unsigned char *tile = tiff_codec->tiff_buffer; - unsigned char *line_ptr; - uint32 tile_x; - uint32 tile_y; - int num_rows; - int num_cols; - - tile_y = img->next_row; - if (tile_y + tile_height > (uint32) (img->height)) - num_rows = img->height - tile_y; - else - num_rows = tile_height; - if (num_rows != img->current_available_rows) - return GGRAPH_TIFF_CODEC_ERROR; - - for (tile_x = 0; tile_x < (uint32) (img->width); tile_x += tile_width) - { - /* feeding a tile */ - if (tile_x + tile_width > (uint32) (img->width)) - num_cols = img->width - tile_x; - else - num_cols = tile_width; - for (row = 0; row < num_rows; row++) - { - unsigned char *p_in; - unsigned char r; - unsigned char g; - unsigned char b; - line_ptr = tile + (row * tile_width * 3); - for (col = 0; col < num_cols; col++) - { - p_in = - img->pixels + - (row * img->scanline_width) + - ((tile_x + col) * img->pixel_size); - if (img->pixel_format == GG_PIXEL_RGB) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - p_in++; /* skipping Alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping Alpha */ - r = *p_in++; - g = *p_in++; - b = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - b = *p_in++; - g = *p_in++; - r = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - b = *p_in++; - g = *p_in++; - r = *p_in++; - p_in++; /* skipping Alpha */ - } - *line_ptr++ = r; - *line_ptr++ = g; - *line_ptr++ = b; - } - } - if (TIFFWriteTile (out, tile, tile_x, tile_y, 0, 0) < 0) - return GGRAPH_TIFF_CODEC_ERROR; - } - img->next_row += num_rows; - return GGRAPH_OK; -} - -static int -tiff_write_strip_rgb (const gGraphStripImagePtr img) -{ -/* scanline(s) TIFF compression [strips] RGB */ - struct tiff_codec_data *tiff_codec = - (struct tiff_codec_data *) (img->codec_data); - TIFF *out = tiff_codec->tiff_handle; - int row; - int col; - unsigned char *scanline = tiff_codec->tiff_buffer; - unsigned char *line_ptr; - - for (row = 0; row < img->current_available_rows; row++) - { - unsigned char *p_in = img->pixels + (row * img->scanline_width); - unsigned char r; - unsigned char g; - unsigned char b; - line_ptr = scanline; - for (col = 0; col < img->width; col++) - { - if (img->pixel_format == GG_PIXEL_RGB) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_RGBA) - { - r = *p_in++; - g = *p_in++; - b = *p_in++; - p_in++; /* skipping Alpha */ - } - else if (img->pixel_format == GG_PIXEL_ARGB) - { - p_in++; /* skipping Alpha */ - r = *p_in++; - g = *p_in++; - b = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGR) - { - b = *p_in++; - g = *p_in++; - r = *p_in++; - } - else if (img->pixel_format == GG_PIXEL_BGRA) - { - b = *p_in++; - g = *p_in++; - r = *p_in++; - p_in++; - } - *line_ptr++ = r; - *line_ptr++ = g; - *line_ptr++ = b; - } - if (TIFFWriteScanline (out, scanline, img->next_row + row, 0) < 0) - return GGRAPH_TIFF_CODEC_ERROR; - } - img->next_row += img->current_available_rows; - return GGRAPH_OK; -} - -GGRAPH_PRIVATE int -gg_image_write_to_tiff_by_strip (const gGraphStripImagePtr img, int *progress) -{ -/* scanline(s) TIFF compression [by strip] */ - int ret; - struct tiff_codec_data *tiff_codec = - (struct tiff_codec_data *) (img->codec_data); - if (tiff_codec->tiff_type == TIFF_TYPE_RGB) - { - if (tiff_codec->is_tiled) - ret = tiff_write_tile_rgb (img); - else - ret = tiff_write_strip_rgb (img); - } - if (tiff_codec->tiff_type == TIFF_TYPE_GRAYSCALE) - { - if (tiff_codec->is_tiled) - ret = tiff_write_tile_grayscale (img); - else - ret = tiff_write_strip_grayscale (img); - } - if (tiff_codec->tiff_type == TIFF_TYPE_PALETTE) - { - if (tiff_codec->is_tiled) - ret = tiff_write_tile_palette (img); - else - ret = tiff_write_strip_palette (img); - } - if (tiff_codec->tiff_type == TIFF_TYPE_MONOCHROME) - { - if (tiff_codec->is_tiled) - ret = tiff_write_tile_monochrome (img); - else - ret = tiff_write_strip_monochrome (img); - } - if (tiff_codec->tiff_type == TIFF_TYPE_GRID) - { - if (tiff_codec->is_tiled) - ret = tiff_write_tile_grid (img); - else - ret = tiff_write_strip_grid (img); - } - if (ret == GGRAPH_OK && progress != NULL) - *progress = - (int) (((double) (img->next_row + 1) * 100.0) / - (double) (img->height)); - return ret; -}