diff -ru4NwbB libpng-1.2.41beta18/Makefile.am libpng-1.4.0beta98/Makefile.am --- libpng-1.2.41beta18/Makefile.am 2009-11-11 15:01:46.701234887 -0600 +++ libpng-1.4.0beta98/Makefile.am 2009-11-13 05:18:29.995387328 -0600 @@ -1,11 +1,11 @@ # Makefile.am: # Source file for Makefile.in (and hence Makefile) # # Makefile.am need only be changed on a major version number -# change (e.g. libpng12 --> libpng14). In that case seach +# change (e.g. libpng12 --> libpng13). In that case seach # this file for every instance of the old base name (libpng12) -# and change to the new one (libpng14), then change the +# and change to the new one (libpng13), then change the # -version-number settings below so that the new values have # the correct major part (first field). PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@ @@ -15,49 +15,44 @@ # test programs - run on make check, make distcheck check_PROGRAMS= pngtest pngtest_SOURCES = pngtest.c -pngtest_LDADD = libpng12.la +pngtest_LDADD = libpng14.la TESTS = test-pngtest.sh TESTS_ENVIRONMENT= srcdir=$(srcdir) # man pages dist_man_MANS= libpng.3 libpngpf.3 png.5 # generate the -config scripts if required -binconfigs= libpng12-config -EXTRA_SCRIPTS= libpng-config libpng12-config +binconfigs= libpng14-config +EXTRA_SCRIPTS= libpng-config libpng14-config bin_SCRIPTS= @binconfigs@ # rules to build libpng, only build the old library on request -lib_LTLIBRARIES=libpng12.la @compatlib@ +lib_LTLIBRARIES=libpng14.la EXTRA_LTLIBRARIES= libpng.la -libpng12_la_SOURCES = png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ +libpng14_la_SOURCES = png.c pngset.c pngget.c pngrutil.c \ + pngtrans.c pngwutil.c \ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ pngwtran.c pngmem.c pngerror.c pngpread.c \ - png.h pngconf.h -libpng_la_SOURCES = $(libpng12_la_SOURCES) + png.h pngconf.h pngpriv.h -libpng_la_CPPFLAGS = @LIBPNG_DEFINES@ -libpng12_la_CPPFLAGS = @LIBPNG_DEFINES@ +libpng14_la_CPPFLAGS = @LIBPNG_DEFINES@ # MAJOR UPGRADE: the version-number settings below must be changed. -libpng12_la_LDFLAGS = -no-undefined -export-dynamic \ - -version-number 0:@PNGLIB_RELEASE@:0 -# -rpath is needed as automake doesn't know the directory -libpng_la_LDFLAGS = -rpath '$(libdir)' -no-undefined -export-dynamic \ - -version-number 3:@PNGLIB_RELEASE@:0 +libpng14_la_LDFLAGS = -no-undefined -export-dynamic \ + -version-number 14:@PNGLIB_RELEASE@:0 if HAVE_LD_VERSION_SCRIPT # Versioned symbols and restricted exports - libpng12_la_LDFLAGS += -Wl,--version-script=libpng.vers - libpng12_la_DEPENDENCIES = libpng.vers + libpng14_la_LDFLAGS += -Wl,--version-script=libpng.vers + libpng14_la_DEPENDENCIES = libpng.vers else # Only restricted exports when possible - libpng12_la_LDFLAGS += -export-symbols libpng.sym - libpng12_la_DEPENDENCIES = libpng.sym + libpng14_la_LDFLAGS += -export-symbols libpng.sym + libpng14_la_DEPENDENCIES = libpng.sym endif -libpng_la_DEPENDENCIES = $(libpng12_la_DEPENDENCIES) # Avoid depending upon Character Ranges. AN = '_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' @@ -67,29 +62,28 @@ # pkg-config stuff, note that libpng.pc is always required in order # to get the correct library pkgconfigdir = @pkgconfigdir@ -pkgconfig_DATA = libpng12.pc +pkgconfig_DATA = libpng14.pc #extra source distribution files. EXTRA_DIST= \ ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO \ pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \ ${srcdir}/projects/cbuilder5/* \ - ${srcdir}/projects/beos/* \ ${srcdir}/projects/visualc6/* \ ${srcdir}/projects/visualc71/* \ - ${srcdir}/projects/wince.txt \ - ${srcdir}/projects/netware.txt \ + ${srcdir}/projects/xcode/* \ ${srcdir}/scripts/* \ ${srcdir}/contrib/gregbook/* \ + ${srcdir}/contrib/pngminim/* \ ${srcdir}/contrib/pngminus/* \ ${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/visupng/* \ $(TESTS) \ - example.c libpng-1.4.0beta98.txt pngvcrd.c + example.c libpng-1.4.0beta98.txt -CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \ +CLEANFILES= pngout.png libpng14.pc libpng14-config libpng.vers \ libpng.sym MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \ config.sub configure depcomp install-sh ltmain.sh missing @@ -121,13 +115,14 @@ # install the .../include headers as links to the new ones install-data-hook: cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/png.h png.h - cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/pngconf.h pngconf.h + cd $(DESTDIR)$(includedir); $(LN_S) $(PNGLIB_BASENAME)/pngconf.h \ + pngconf.h cd $(DESTDIR)$(pkgconfigdir); rm -f libpng.pc cd $(DESTDIR)$(pkgconfigdir); $(LN_S) $(PNGLIB_BASENAME).pc libpng.pc -# do evil things to libpng to cause libpng12 to be used +# do evil things to libpng to cause libpng14 to be used install-exec-hook: cd $(DESTDIR)$(bindir); rm -f libpng-config cd $(DESTDIR)$(bindir); $(LN_S) $(PNGLIB_BASENAME)-config libpng-config @set -x;\ @@ -142,11 +137,4 @@ uninstall-hook: cd $(DESTDIR)$(includedir); rm -f png.h pngconf.h rm -f $(DESTDIR)$(pkgconfigdir)/libpng.pc rm -f $(DESTDIR)$(bindir)/libpng-config - @if test -n "@compatlib@"; then\ - set -x;\ - cd $(DESTDIR)$(libdir);\ - for ext in a la so sl dylib; do\ - rm -f libpng.$$ext;\ - done;\ - fi diff -ru4NwbB libpng-1.2.41beta18/configure.ac libpng-1.4.0beta98/configure.ac --- libpng-1.2.41beta18/configure.ac 2009-11-11 15:01:46.706786844 -0600 +++ libpng-1.4.0beta98/configure.ac 2009-11-13 05:18:30.001687431 -0600 @@ -24,9 +24,9 @@ AM_MAINTAINER_MODE PNGLIB_VERSION=1.4.0beta98 PNGLIB_MAJOR=1 -PNGLIB_MINOR=2 +PNGLIB_MINOR=4 PNGLIB_RELEASE=%RELEASE% dnl End of version number stuff @@ -59,20 +59,10 @@ AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_ERROR([cannot find pow])) ) AC_CHECK_LIB(z, zlibVersion, , AC_ERROR([zlib not installed])) LIBPNG_DEFINES=-DPNG_CONFIGURE_LIBPNG -AC_MSG_CHECKING( - [if assembler code in pnggccrd.c can be compiled without PNG_NO_MMX_CODE]) -AC_TRY_COMPILE( - [#include "$srcdir/pnggccrd.c"], - [return 0;], - AC_MSG_RESULT(yes) - LIBPNG_NO_MMX="", - AC_MSG_RESULT(no) - LIBPNG_NO_MMX=-DPNG_NO_MMX_CODE) -LIBPNG_DEFINES=$LIBPNG_DEFINES\ $LIBPNG_NO_MMX +LIBPNG_DEFINES=$LIBPNG_DEFINES AC_SUBST(LIBPNG_DEFINES) -AC_SUBST(LIBPNG_NO_MMX) AC_MSG_CHECKING([if libraries can be versioned]) GLD=`$LD --help < /dev/null 2>/dev/null | grep version-script` if test "$GLD"; then @@ -125,22 +115,8 @@ fi], [binconfigs='${binconfigs}']) AC_SUBST([binconfigs]) -# Allow the old version number library, libpng.so, to be removed from -# the build -AC_ARG_WITH(libpng-compat, - AC_HELP_STRING([--with-libpng-compat], - [Generate the obsolete libpng.so library @<:@default=yes@:>@]), - [if test "${withval}" = no; then - compatlib= - AC_MSG_NOTICE([libpng.so will not be built]) - else - compatlib=libpng.la - fi], - [compatlib=libpng.la]) -AC_SUBST([compatlib]) - # Config files, substituting as above AC_CONFIG_FILES([Makefile libpng.pc:scripts/libpng.pc-configure.in]) AC_CONFIG_FILES([libpng-config:scripts/libpng-config.in], [chmod +x libpng-config]) diff -ru4NwbB libpng-1.2.41beta18/contrib/gregbook/Makefile.sgi libpng-1.4.0beta98/contrib/gregbook/Makefile.sgi --- libpng-1.2.41beta18/contrib/gregbook/Makefile.sgi 2009-11-11 15:01:32.825288316 -0600 +++ libpng-1.4.0beta98/contrib/gregbook/Makefile.sgi 2009-11-13 05:18:10.584587437 -0600 @@ -22,11 +22,11 @@ # macros -------------------------------------------------------------------- -PNGINC = -I/usr/local/include/libpng12 -PNGLIB = -L/usr/local/lib -lpng12 # dynamically linked against libpng -#PNGLIB = /usr/local/lib/libpng12.a # statically linked against libpng +PNGINC = -I/usr/local/include/libpng14 +PNGLIB = -L/usr/local/lib -lpng14 # dynamically linked against libpng +#PNGLIB = /usr/local/lib/libpng14.a # statically linked against libpng # or: #PNGINC = -I../.. #PNGLIB = -L../.. -lpng #PNGLIB = ../../libpng.a diff -ru4NwbB libpng-1.2.41beta18/contrib/gregbook/Makefile.unx libpng-1.4.0beta98/contrib/gregbook/Makefile.unx --- libpng-1.2.41beta18/contrib/gregbook/Makefile.unx 2009-11-11 15:01:32.834555783 -0600 +++ libpng-1.4.0beta98/contrib/gregbook/Makefile.unx 2009-11-13 05:18:10.594390723 -0600 @@ -25,16 +25,16 @@ # macros -------------------------------------------------------------------- #PNGDIR = /usr/local/lib -#PNGINC = -I/usr/local/include/libpng12 -#PNGLIBd = -L$(PNGDIR) -lpng12 # dynamically linked, installed libpng -#PNGLIBs = $(PNGDIR)/libpng12.a # statically linked, installed libpng +#PNGINC = -I/usr/local/include/libpng14 +#PNGLIBd = -L$(PNGDIR) -lpng14 # dynamically linked, installed libpng +#PNGLIBs = $(PNGDIR)/libpng14.a # statically linked, installed libpng # or: PNGDIR = ../..# this one is for libpng-x.y.z/contrib/gregbook builds #PNGDIR = ../libpng PNGINC = -I$(PNGDIR) -PNGLIBd = -Wl,-rpath,$(PNGDIR) -L$(PNGDIR) -lpng12 # dynamically linked +PNGLIBd = -Wl,-rpath,$(PNGDIR) -L$(PNGDIR) -lpng14 # dynamically linked PNGLIBs = $(PNGDIR)/libpng.a # statically linked, local libpng ZDIR = /usr/local/lib #ZDIR = /usr/lib64 diff -ru4NwbB libpng-1.2.41beta18/contrib/pngminim/decoder/gather.sh libpng-1.4.0beta98/contrib/pngminim/decoder/gather.sh --- libpng-1.2.41beta18/contrib/pngminim/decoder/gather.sh 2009-11-11 15:01:33.415322083 -0600 +++ libpng-1.4.0beta98/contrib/pngminim/decoder/gather.sh 2009-11-13 05:18:11.179482931 -0600 @@ -1,8 +1,7 @@ cp ../../pngminus/png2pnm.c pngm2pnm.c cp ../../../*.h . cp ../../../*.c . -rm pnggccrd.c pngvcrd.c rm example.c pngtest.c pngpread.c pngw*.c # change the following 2 lines if zlib is somewhere else cp ../../../../zlib/*.h . cp ../../../../zlib/*.c . diff -ru4NwbB libpng-1.2.41beta18/contrib/pngminim/decoder/makefile libpng-1.4.0beta98/contrib/pngminim/decoder/makefile --- libpng-1.2.41beta18/contrib/pngminim/decoder/makefile 2009-11-11 15:01:33.424258008 -0600 +++ libpng-1.4.0beta98/contrib/pngminim/decoder/makefile 2009-11-13 05:18:11.188395894 -0600 @@ -24,9 +24,9 @@ pngset$(O) pngtrans$(O) $(ZOBJS) # implicit make rules ------------------------------------------------------- -.c$(O): png.h pngconf.h pngusr.h zlib.h +.c$(O): png.h pngconf.h pngpriv.h pngusr.h zlib.h $(CC) -c $(CFLAGS) $< # dependencies diff -ru4NwbB libpng-1.2.41beta18/contrib/pngminim/decoder/pngusr.h libpng-1.4.0beta98/contrib/pngminim/decoder/pngusr.h --- libpng-1.2.41beta18/contrib/pngminim/decoder/pngusr.h 2009-11-11 15:01:33.433323184 -0600 +++ libpng-1.4.0beta98/contrib/pngminim/decoder/pngusr.h 2009-11-13 05:18:11.197473795 -0600 @@ -15,19 +15,15 @@ #ifdef NJET /* No 16-bit support beyond reading with strip_16 */ #endif -#define PNG_NO_GLOBAL_ARRAYS - #define PNG_NO_WARNINGS #define png_warning(s1,s2) "" #define png_chunk_warning(s1,s2) "" #define PNG_NO_ERROR_TEXT #define png_error(s1,s2) png_err(s1) #define png_chunk_error(s1,s2) png_err(s1) -#define PNG_NO_ASSEMBLER_CODE -#define PNG_NO_OPTIMIZED_CODE #define PNG_NO_READ_GAMMA #define PNG_NO_READ_BACKGROUND #define PNG_NO_READ_DITHER #define PNG_NO_READ_INVERT @@ -58,9 +54,8 @@ #define PNG_NO_READ_EMPTY_PLTE #define PNG_NO_READ_OPT_PLTE #define PNG_NO_READ_STRIP_ALPHA #define PNG_NO_READ_oFFs -#define PNG_NO_WARN_UNINITIALIZED_ROW #define PNG_NO_WRITE_SUPPORTED #define PNG_NO_INFO_IMAGE diff -ru4NwbB libpng-1.2.41beta18/contrib/pngminim/encoder/gather.sh libpng-1.4.0beta98/contrib/pngminim/encoder/gather.sh --- libpng-1.2.41beta18/contrib/pngminim/encoder/gather.sh 2009-11-11 15:01:33.459793956 -0600 +++ libpng-1.4.0beta98/contrib/pngminim/encoder/gather.sh 2009-11-13 05:18:11.223819190 -0600 @@ -1,8 +1,7 @@ cp ../../pngminus/pnm2png.c pnm2pngm.c cp ../../../*.h . cp ../../../*.c . -rm pnggccrd.c pngvcrd.c rm example.c pngtest.c pngr*.c pngpread.c # Change the next 2 lines if zlib is somewhere else. cp ../../../../zlib/*.h . cp ../../../../zlib/*.c . diff -ru4NwbB libpng-1.2.41beta18/contrib/pngminim/encoder/makefile libpng-1.4.0beta98/contrib/pngminim/encoder/makefile --- libpng-1.2.41beta18/contrib/pngminim/encoder/makefile 2009-11-11 15:01:33.468705987 -0600 +++ libpng-1.4.0beta98/contrib/pngminim/encoder/makefile 2009-11-13 05:18:11.232869767 -0600 @@ -23,9 +23,9 @@ pngwtran$(O) pngwutil$(O) $(ZOBJS) # implicit make rules ------------------------------------------------------- -.c$(O): png.h pngconf.h pngusr.h zlib.h +.c$(O): png.h pngconf.h pngpriv.h pngusr.h zlib.h $(CC) -c $(CFLAGS) $< # dependencies diff -ru4NwbB libpng-1.2.41beta18/contrib/pngminim/encoder/pngusr.h libpng-1.4.0beta98/contrib/pngminim/encoder/pngusr.h --- libpng-1.2.41beta18/contrib/pngminim/encoder/pngusr.h 2009-11-11 15:01:33.478015606 -0600 +++ libpng-1.4.0beta98/contrib/pngminim/encoder/pngusr.h 2009-11-13 05:18:11.241920208 -0600 @@ -11,10 +11,8 @@ #ifndef MINWRPNGCONF_H #define MINWRPNGCONF_H -#define PNG_NO_GLOBAL_ARRAYS - #define PNG_NO_READ_SUPPORTED #define PNG_NO_WARNINGS #define png_warning(s1,s2) "" diff -ru4NwbB libpng-1.2.41beta18/contrib/pngminim/preader/gather.sh libpng-1.4.0beta98/contrib/pngminim/preader/gather.sh --- libpng-1.2.41beta18/contrib/pngminim/preader/gather.sh 2009-11-11 15:01:33.495657716 -0600 +++ libpng-1.4.0beta98/contrib/pngminim/preader/gather.sh 2009-11-13 05:18:11.259437265 -0600 @@ -1,9 +1,8 @@ cp ../../gregbook/rpng2-x.c ../../gregbook/readpng2.[ch] . cp ../../gregbook/COPYING ../../gregbook/LICENSE . cp ../../../*.h . cp ../../../*.c . -rm pnggccrd.c pngvcrd.c rm example.c pngtest.c pngw*.c # change the following 2 lines if zlib is somewhere else cp ../../../../zlib/*.h . cp ../../../../zlib/*.c . diff -ru4NwbB libpng-1.2.41beta18/contrib/pngminim/preader/makefile libpng-1.4.0beta98/contrib/pngminim/preader/makefile --- libpng-1.2.41beta18/contrib/pngminim/preader/makefile 2009-11-11 15:01:33.504623732 -0600 +++ libpng-1.4.0beta98/contrib/pngminim/preader/makefile 2009-11-13 05:18:11.268394780 -0600 @@ -40,9 +40,9 @@ pngset$(O) pngtrans$(O) $(ZOBJS) # implicit make rules ------------------------------------------------------- -.c$(O): png.h pngconf.h readpng2.h pngusr.h zlib.h +.c$(O): png.h pngconf.h pngpriv.h readpng2.h pngusr.h zlib.h $(CC) -c $(CFLAGS) $< # dependencies diff -ru4NwbB libpng-1.2.41beta18/contrib/pngminim/preader/pngusr.h libpng-1.4.0beta98/contrib/pngminim/preader/pngusr.h --- libpng-1.2.41beta18/contrib/pngminim/preader/pngusr.h 2009-11-11 15:01:33.513621766 -0600 +++ libpng-1.4.0beta98/contrib/pngminim/preader/pngusr.h 2009-11-13 05:18:11.277527336 -0600 @@ -11,19 +11,15 @@ #ifndef MINPRDPNGCONF_H #define MINPRDPNGCONF_H -#define PNG_NO_GLOBAL_ARRAYS - #define PNG_NO_WARNINGS #define png_warning(s1,s2) "" #define png_chunk_warning(s1,s2) "" #define PNG_NO_ERROR_TEXT #define png_error(s1,s2) png_err(s1) #define png_chunk_error(s1,s2) png_err(s1) -#define PNG_NO_ASSEMBLER_CODE -#define PNG_NO_OPTIMIZED_CODE #define PNG_NO_READ_DITHER #define PNG_NO_READ_INVERT #define PNG_NO_READ_SHIFT #define PNG_NO_READ_PACK @@ -49,9 +45,8 @@ #define PNG_NO_READ_EMPTY_PLTE #define PNG_NO_READ_OPT_PLTE #define PNG_NO_READ_STRIP_ALPHA #define PNG_NO_READ_oFFs -#define PNG_NO_WARN_UNINITIALIZED_ROW #define PNG_NO_WRITE_SUPPORTED #define PNG_NO_INFO_IMAGE diff -ru4NwbB libpng-1.2.41beta18/contrib/pngminus/png2pnm.c libpng-1.4.0beta98/contrib/pngminus/png2pnm.c --- libpng-1.2.41beta18/contrib/pngminus/png2pnm.c 2009-11-11 15:01:33.098600882 -0600 +++ libpng-1.4.0beta98/contrib/pngminus/png2pnm.c 2009-11-13 05:18:10.861636421 -0600 @@ -210,10 +210,10 @@ ret = fread (buf, 1, 8, png_file); if (ret != 8) return FALSE; - ret = !png_sig_cmp (buf, 0, 8); - if (!ret) + ret = png_sig_cmp (buf, 0, 8); + if (ret) return FALSE; /* create png and info structures */ diff -ru4NwbB libpng-1.2.41beta18/contrib/visupng/PngFile.c libpng-1.4.0beta98/contrib/visupng/PngFile.c --- libpng-1.2.41beta18/contrib/visupng/PngFile.c 2009-11-09 10:13:18.000000000 -0600 +++ libpng-1.4.0beta98/contrib/visupng/PngFile.c 2009-11-09 10:16:10.000000000 -0600 @@ -34,9 +34,9 @@ png_cexcept_error(png_structp png_ptr, png_const_charp msg) { if(png_ptr) ; -#ifndef PNG_NO_CONSOLE_IO +#ifdef PNG_CONSOLE_IO_SUPPORTED fprintf(stderr, "libpng error: %s\n", msg); #endif { Throw msg; @@ -154,9 +154,9 @@ { // initialize the png structure -#if !defined(PNG_NO_STDIO) +#ifdef PNG_STDIO_SUPPORTED png_init_io(png_ptr, pfFile); #else png_set_read_fn(png_ptr, (png_voidp)pfFile, png_read_data); #endif @@ -323,9 +323,9 @@ Try { // initialize the png structure -#if !defined(PNG_NO_STDIO) +#ifdef PNG_STDIO_SUPPORTED png_init_io(png_ptr, pfFile); #else png_set_write_fn(png_ptr, (png_voidp)pfFile, png_write_data, png_flush); #endif @@ -394,9 +394,9 @@ return TRUE; } -#ifdef PNG_NO_STDIO +#ifndef PNG_STDIO_SUPPORTED static void png_read_data(png_structp png_ptr, png_bytep data, png_size_t length) { diff -ru4NwbB libpng-1.2.41beta18/contrib/visupng/PngFile.h libpng-1.4.0beta98/contrib/visupng/PngFile.h --- libpng-1.2.41beta18/contrib/visupng/PngFile.h 2009-07-11 06:39:30.000000000 -0500 +++ libpng-1.4.0beta98/contrib/visupng/PngFile.h 2009-08-31 08:27:35.000000000 -0500 @@ -21,9 +21,9 @@ int *piWidth, int *piHeight, int *piChannels, png_color *pBkgColor); BOOL PngSaveImage (PTSTR pstrFileName, png_byte *pDiData, int iWidth, int iHeight, png_color BkgColor); -#if defined(PNG_NO_STDIO) +#ifndef PNG_STDIO_SUPPORTED static void png_read_data(png_structp png_ptr, png_bytep data, png_size_t length); static void png_write_data(png_structp png_ptr, png_bytep data, png_size_t length); static void png_flush(png_structp png_ptr); #endif diff -ru4NwbB libpng-1.2.41beta18/contrib/visupng/VisualPng.dsp libpng-1.4.0beta98/contrib/visupng/VisualPng.dsp --- libpng-1.2.41beta18/contrib/visupng/VisualPng.dsp 2006-02-22 13:53:03.000000000 -0600 +++ libpng-1.4.0beta98/contrib/visupng/VisualPng.dsp 2009-08-31 14:46:33.000000000 -0500 @@ -42,11 +42,11 @@ # PROP Output_Dir "Release" # PROP Intermediate_Dir "Release" # PROP Ignore_Export_Lib 0 # PROP Target_Dir "" -# ADD BASE CPP /nologo /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_NO_STDIO" /D "PNG_NO_GLOBAL_ARRAYS" /FD /c +# ADD BASE CPP /nologo /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_NO_STDIO" /FD /c # SUBTRACT BASE CPP /YX -# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_NO_STDIO" /D "PNG_NO_GLOBAL_ARRAYS" /FD /c +# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_NO_STDIO" /FD /c # SUBTRACT CPP /YX # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32 # ADD BASE RSC /l 0x409 /d "NDEBUG" @@ -76,11 +76,11 @@ # PROP Output_Dir "Debug" # PROP Intermediate_Dir "Debug" # PROP Ignore_Export_Lib 0 # PROP Target_Dir "" -# ADD BASE CPP /nologo /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "PNG_NO_STDIO" /D "PNG_NO_GLOBAL_ARRAYS" /FD /GZ /c +# ADD BASE CPP /nologo /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "PNG_NO_STDIO" /FD /GZ /c # SUBTRACT BASE CPP /YX -# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "PNG_NO_STDIO" /D "PNG_NO_GLOBAL_ARRAYS" /FD /GZ /c +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "PNG_NO_STDIO" /FD /GZ /c # SUBTRACT CPP /YX # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32 # ADD BASE RSC /l 0x409 /d "_DEBUG" diff -ru4NwbB libpng-1.2.41beta18/example.c libpng-1.4.0beta98/example.c --- libpng-1.2.41beta18/example.c 2009-11-11 15:01:32.629046991 -0600 +++ libpng-1.4.0beta98/example.c 2009-11-13 05:18:10.393847635 -0600 @@ -1,9 +1,9 @@ #if 0 /* in case someone actually tries to compile this */ /* example.c - an example of using libpng - * Last changed in libpng 1.2.37 [June 4, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * This file has been placed in the public domain by the authors. * Maintained 1998-2009 Glenn Randers-Pehrson * Maintained 1996, 1997 Andreas Dilger) * Written 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -120,9 +120,9 @@ info_ptr = png_create_info_struct(png_ptr); if (info_ptr == NULL) { fclose(fp); - png_destroy_read_struct(&png_ptr, png_infopp_NULL, png_infopp_NULL); + png_destroy_read_struct(&png_ptr, NULL, NULL); return (ERROR); } /* Set error handling if you are using the setjmp/longjmp method (this is @@ -132,9 +132,9 @@ if (setjmp(png_jmpbuf(png_ptr))) { /* Free all of the memory associated with the png_ptr and info_ptr */ - png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL); + png_destroy_read_struct(&png_ptr, &info_ptr, NULL); fclose(fp); /* If we get here, we had a problem reading the file */ return (ERROR); } @@ -163,9 +163,9 @@ * dithering, filling, setting background, and doing gamma * adjustment), then you can read the entire image (including * pixels) into the info structure with this call: */ - png_read_png(png_ptr, info_ptr, png_transforms, png_voidp_NULL); + png_read_png(png_ptr, info_ptr, png_transforms, NULL); #else /* OK, you're doing it the hard way, with the lower-level functions */ @@ -174,9 +174,9 @@ */ png_read_info(png_ptr, info_ptr); png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, - &interlace_type, int_p_NULL, int_p_NULL); + &interlace_type, NULL, NULL); /* Set up the data transformations you want. Note that these are all * optional. Only call them if you want/need them. Many of the * transformations only work on specific types of images, and many @@ -285,9 +285,9 @@ /* An array of colors to which the image should be dithered */ png_color std_color_cube[MAX_SCREEN_COLORS]; png_set_dither(png_ptr, std_color_cube, MAX_SCREEN_COLORS, - MAX_SCREEN_COLORS, png_uint_16p_NULL, 0); + MAX_SCREEN_COLORS, NULL, 0); } /* This reduces the image to the palette supplied in the file */ else if (png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette)) { @@ -364,19 +364,19 @@ { #ifdef single /* Read the image a single row at a time */ for (y = 0; y < height; y++) { - png_read_rows(png_ptr, &row_pointers[y], png_bytepp_NULL, 1); + png_read_rows(png_ptr, &row_pointers[y], NULL, 1); } #else no_single /* Read the image several rows at a time */ for (y = 0; y < height; y += number_of_rows) { #ifdef sparkle /* Read the image using the "sparkle" effect. */ - png_read_rows(png_ptr, &row_pointers[y], png_bytepp_NULL, + png_read_rows(png_ptr, &row_pointers[y], NULL, number_of_rows); #else no_sparkle /* Read the image using the "rectangle" effect */ - png_read_rows(png_ptr, png_bytepp_NULL, &row_pointers[y], + png_read_rows(png_ptr, NULL, &row_pointers[y], number_of_rows); #endif no_sparkle /* Use only one of these two methods */ } @@ -391,9 +391,9 @@ /* At this point you have read the entire image */ /* Clean up after the read, and free any memory allocated - REQUIRED */ - png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL); + png_destroy_read_struct(&png_ptr, &info_ptr, NULL); /* Close the file */ fclose(fp); @@ -424,15 +424,15 @@ *info_ptr = png_create_info_struct(png_ptr); if (*info_ptr == NULL) { - png_destroy_read_struct(png_ptr, info_ptr, png_infopp_NULL); + png_destroy_read_struct(png_ptr, info_ptr, NULL); return (ERROR); } if (setjmp(png_jmpbuf((*png_ptr)))) { - png_destroy_read_struct(png_ptr, info_ptr, png_infopp_NULL); + png_destroy_read_struct(png_ptr, info_ptr, NULL); return (ERROR); } /* This one's new. You will need to provide all three @@ -459,9 +459,9 @@ { if (setjmp(png_jmpbuf((*png_ptr)))) { /* Free the png_ptr and info_ptr memory on error */ - png_destroy_read_struct(png_ptr, info_ptr, png_infopp_NULL); + png_destroy_read_struct(png_ptr, info_ptr, NULL); return (ERROR); } /* This one's new also. Simply give it chunks of data as @@ -592,9 +592,9 @@ info_ptr = png_create_info_struct(png_ptr); if (info_ptr == NULL) { fclose(fp); - png_destroy_write_struct(&png_ptr, png_infopp_NULL); + png_destroy_write_struct(&png_ptr, NULL); return (ERROR); } /* Set error handling. REQUIRED if you aren't supplying your own @@ -627,9 +627,9 @@ /* This is the easy way. Use it if you already have all the * image info living in the structure. You could "|" many * PNG_TRANSFORM flags into the png_transforms integer here. */ - png_write_png(png_ptr, info_ptr, png_transforms, png_voidp_NULL); + png_write_png(png_ptr, info_ptr, png_transforms, NULL); #else /* This is the hard way */ diff -ru4NwbB libpng-1.2.41beta18/png.c libpng-1.4.0beta98/png.c --- libpng-1.2.41beta18/png.c 2009-11-11 15:01:32.637037293 -0600 +++ libpng-1.4.0beta98/png.c 2009-11-13 05:18:10.401379070 -0600 @@ -1,8 +1,8 @@ /* png.c - location for general purpose libpng functions * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -10,83 +10,19 @@ * For conditions of distribution and use, see the disclaimer * and license in png.h */ -#define PNG_INTERNAL #define PNG_NO_EXTERN #include "png.h" +#include "pngpriv.h" /* Generate a compiler error if there is an old png.h in the search path. */ typedef version_%_VER_% Your_png_h_is_not_version_%_VER_%; /* Version information for C files. This had better match the version * string defined in png.h. */ -#ifdef PNG_USE_GLOBAL_ARRAYS -/* png_libpng_ver was changed to a function in version 1.0.5c */ -PNG_CONST char png_libpng_ver[18] = PNG_LIBPNG_VER_STRING; - -#ifdef PNG_READ_SUPPORTED - -/* png_sig was changed to a function in version 1.0.5c */ -/* Place to hold the signature string for a PNG file. */ -PNG_CONST png_byte FARDATA png_sig[8] = {137, 80, 78, 71, 13, 10, 26, 10}; -#endif /* PNG_READ_SUPPORTED */ - -/* Invoke global declarations for constant strings for known chunk types */ -PNG_IHDR; -PNG_IDAT; -PNG_IEND; -PNG_PLTE; -PNG_bKGD; -PNG_cHRM; -PNG_gAMA; -PNG_hIST; -PNG_iCCP; -PNG_iTXt; -PNG_oFFs; -PNG_pCAL; -PNG_sCAL; -PNG_pHYs; -PNG_sBIT; -PNG_sPLT; -PNG_sRGB; -PNG_tEXt; -PNG_tIME; -PNG_tRNS; -PNG_zTXt; - -#ifdef PNG_READ_SUPPORTED -/* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */ - -/* Start of interlace block */ -PNG_CONST int FARDATA png_pass_start[] = {0, 4, 0, 2, 0, 1, 0}; - -/* Offset to next interlace block */ -PNG_CONST int FARDATA png_pass_inc[] = {8, 8, 4, 4, 2, 2, 1}; - -/* Start of interlace block in the y direction */ -PNG_CONST int FARDATA png_pass_ystart[] = {0, 0, 4, 0, 2, 0, 1}; - -/* Offset to next interlace block in the y direction */ -PNG_CONST int FARDATA png_pass_yinc[] = {8, 8, 8, 4, 4, 2, 2}; - -/* Height of interlace block. This is not currently used - if you need - * it, uncomment it here and in png.h -PNG_CONST int FARDATA png_pass_height[] = {8, 8, 4, 4, 2, 2, 1}; -*/ - -/* Mask to determine which pixels are valid in a pass */ -PNG_CONST int FARDATA png_pass_mask[] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff}; - -/* Mask to determine which pixels to overwrite while displaying */ -PNG_CONST int FARDATA png_pass_dsp_mask[] - = {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff}; - -#endif /* PNG_READ_SUPPORTED */ -#endif /* PNG_USE_GLOBAL_ARRAYS */ - /* Tells libpng that we have already handled the first "num_bytes" bytes * of the PNG file signature. If the PNG data is embedded into another * stream we can set num_bytes = 8 so that libpng will not attempt to read * or write any of the magic bytes before it starts on the IHDR. @@ -101,9 +37,9 @@ if (png_ptr == NULL) return; if (num_bytes > 8) - png_error(png_ptr, "Too many bytes for PNG signature."); + png_error(png_ptr, "Too many bytes for PNG signature"); png_ptr->sig_bytes = (png_byte)(num_bytes < 0 ? 0 : num_bytes); } @@ -132,72 +68,38 @@ return ((int)(png_memcmp(&sig[start], &png_signature[start], num_to_check))); } -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -/* (Obsolete) function to check signature bytes. It does not allow one - * to check a partial signature. This function might be removed in the - * future - use png_sig_cmp(). Returns true (nonzero) if the file is PNG. - */ -int PNGAPI -png_check_sig(png_bytep sig, int num) -{ - return ((int)!png_sig_cmp(sig, (png_size_t)0, (png_size_t)num)); -} -#endif #endif /* PNG_READ_SUPPORTED */ #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) /* Function to allocate memory for zlib and clear it to 0. */ -#ifdef PNG_1_0_X -voidpf PNGAPI -#else voidpf /* PRIVATE */ -#endif png_zalloc(voidpf png_ptr, uInt items, uInt size) { png_voidp ptr; png_structp p=(png_structp)png_ptr; png_uint_32 save_flags=p->flags; - png_uint_32 num_bytes; + png_alloc_size_t num_bytes; if (png_ptr == NULL) return (NULL); if (items > PNG_UINT_32_MAX/size) { png_warning (p, "Potential overflow in png_zalloc()"); return (NULL); } - num_bytes = (png_uint_32)items * size; + num_bytes = (png_alloc_size_t)items * size; p->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK; ptr = (png_voidp)png_malloc((png_structp)png_ptr, num_bytes); p->flags=save_flags; -#if defined(PNG_1_0_X) && !defined(PNG_NO_ZALLOC_ZERO) - if (ptr == NULL) - return ((voidpf)ptr); - - if (num_bytes > (png_uint_32)0x8000L) - { - png_memset(ptr, 0, (png_size_t)0x8000L); - png_memset((png_bytep)ptr + (png_size_t)0x8000L, 0, - (png_size_t)(num_bytes - (png_uint_32)0x8000L)); - } - else - { - png_memset(ptr, 0, (png_size_t)num_bytes); - } -#endif return ((voidpf)ptr); } /* Function to free memory for zlib */ -#ifdef PNG_1_0_X -void PNGAPI -#else void /* PRIVATE */ -#endif png_zfree(voidpf png_ptr, voidpf ptr) { png_free((png_structp)png_ptr, (png_voidp)ptr); } @@ -300,17 +202,8 @@ /* Initialize the info structure. This is now an internal function (0.89) * and applications using it are urged to use png_create_info_struct() * instead. */ -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -#undef png_info_init -void PNGAPI -png_info_init(png_infop info_ptr) -{ - /* We only come here via pre-1.0.12-compiled applications */ - png_info_init_3(&info_ptr, 0); -} -#endif void PNGAPI png_info_init_3(png_infopp ptr_ptr, png_size_t png_info_struct_size) { @@ -331,9 +224,8 @@ /* Set everything to 0 */ png_memset(info_ptr, 0, png_sizeof(png_info)); } -#ifdef PNG_FREE_ME_SUPPORTED void PNGAPI png_data_freer(png_structp png_ptr, png_infop info_ptr, int freer, png_uint_32 mask) { @@ -347,11 +239,10 @@ else if (freer == PNG_USER_WILL_FREE_DATA) info_ptr->free_me &= ~mask; else png_warning(png_ptr, - "Unknown freer parameter in png_data_freer."); + "Unknown freer parameter in png_data_freer"); } -#endif void PNGAPI png_free_data(png_structp png_ptr, png_infop info_ptr, png_uint_32 mask, int num) @@ -362,13 +253,9 @@ return; #ifdef PNG_TEXT_SUPPORTED /* Free text item num or (if num == -1) all text items */ -#ifdef PNG_FREE_ME_SUPPORTED if ((mask & PNG_FREE_TEXT) & info_ptr->free_me) -#else - if (mask & PNG_FREE_TEXT) -#endif { if (num != -1) { if (info_ptr->text && info_ptr->text[num].key) @@ -390,30 +277,19 @@ #endif #ifdef PNG_tRNS_SUPPORTED /* Free any tRNS entry */ -#ifdef PNG_FREE_ME_SUPPORTED if ((mask & PNG_FREE_TRNS) & info_ptr->free_me) -#else - if ((mask & PNG_FREE_TRNS) && (png_ptr->flags & PNG_FLAG_FREE_TRNS)) -#endif { - png_free(png_ptr, info_ptr->trans); - info_ptr->trans = NULL; + png_free(png_ptr, info_ptr->trans_alpha); + info_ptr->trans_alpha = NULL; info_ptr->valid &= ~PNG_INFO_tRNS; -#ifndef PNG_FREE_ME_SUPPORTED - png_ptr->flags &= ~PNG_FLAG_FREE_TRNS; -#endif } #endif #ifdef PNG_sCAL_SUPPORTED /* Free any sCAL entry */ -#ifdef PNG_FREE_ME_SUPPORTED if ((mask & PNG_FREE_SCAL) & info_ptr->free_me) -#else - if (mask & PNG_FREE_SCAL) -#endif { #if defined(PNG_FIXED_POINT_SUPPORTED) && !defined(PNG_FLOATING_POINT_SUPPORTED) png_free(png_ptr, info_ptr->scal_s_width); png_free(png_ptr, info_ptr->scal_s_height); @@ -425,13 +301,9 @@ #endif #ifdef PNG_pCAL_SUPPORTED /* Free any pCAL entry */ -#ifdef PNG_FREE_ME_SUPPORTED if ((mask & PNG_FREE_PCAL) & info_ptr->free_me) -#else - if (mask & PNG_FREE_PCAL) -#endif { png_free(png_ptr, info_ptr->pcal_purpose); png_free(png_ptr, info_ptr->pcal_units); info_ptr->pcal_purpose = NULL; @@ -452,13 +324,9 @@ #endif #ifdef PNG_iCCP_SUPPORTED /* Free any iCCP entry */ -#ifdef PNG_FREE_ME_SUPPORTED if ((mask & PNG_FREE_ICCP) & info_ptr->free_me) -#else - if (mask & PNG_FREE_ICCP) -#endif { png_free(png_ptr, info_ptr->iccp_name); png_free(png_ptr, info_ptr->iccp_profile); info_ptr->iccp_name = NULL; @@ -468,13 +336,9 @@ #endif #ifdef PNG_sPLT_SUPPORTED /* Free a given sPLT entry, or (if num == -1) all sPLT entries */ -#ifdef PNG_FREE_ME_SUPPORTED if ((mask & PNG_FREE_SPLT) & info_ptr->free_me) -#else - if (mask & PNG_FREE_SPLT) -#endif { if (num != -1) { if (info_ptr->splt_palettes) @@ -508,13 +372,9 @@ png_free(png_ptr, png_ptr->unknown_chunk.data); png_ptr->unknown_chunk.data = NULL; } -#ifdef PNG_FREE_ME_SUPPORTED if ((mask & PNG_FREE_UNKN) & info_ptr->free_me) -#else - if (mask & PNG_FREE_UNKN) -#endif { if (num != -1) { if (info_ptr->unknown_chunks) @@ -541,68 +401,46 @@ #endif #ifdef PNG_hIST_SUPPORTED /* Free any hIST entry */ -#ifdef PNG_FREE_ME_SUPPORTED if ((mask & PNG_FREE_HIST) & info_ptr->free_me) -#else - if ((mask & PNG_FREE_HIST) && (png_ptr->flags & PNG_FLAG_FREE_HIST)) -#endif { png_free(png_ptr, info_ptr->hist); info_ptr->hist = NULL; info_ptr->valid &= ~PNG_INFO_hIST; -#ifndef PNG_FREE_ME_SUPPORTED - png_ptr->flags &= ~PNG_FLAG_FREE_HIST; -#endif } #endif /* Free any PLTE entry that was internally allocated */ -#ifdef PNG_FREE_ME_SUPPORTED if ((mask & PNG_FREE_PLTE) & info_ptr->free_me) -#else - if ((mask & PNG_FREE_PLTE) && (png_ptr->flags & PNG_FLAG_FREE_PLTE)) -#endif { png_zfree(png_ptr, info_ptr->palette); info_ptr->palette = NULL; info_ptr->valid &= ~PNG_INFO_PLTE; -#ifndef PNG_FREE_ME_SUPPORTED - png_ptr->flags &= ~PNG_FLAG_FREE_PLTE; -#endif info_ptr->num_palette = 0; } #ifdef PNG_INFO_IMAGE_SUPPORTED /* Free any image bits attached to the info structure */ -#ifdef PNG_FREE_ME_SUPPORTED if ((mask & PNG_FREE_ROWS) & info_ptr->free_me) -#else - if (mask & PNG_FREE_ROWS) -#endif { if (info_ptr->row_pointers) { int row; for (row = 0; row < (int)info_ptr->height; row++) { png_free(png_ptr, info_ptr->row_pointers[row]); - info_ptr->row_pointers[row]=NULL; } png_free(png_ptr, info_ptr->row_pointers); - info_ptr->row_pointers=NULL; } info_ptr->valid &= ~PNG_INFO_IDAT; } #endif -#ifdef PNG_FREE_ME_SUPPORTED if (num == -1) info_ptr->free_me &= ~mask; else info_ptr->free_me &= ~(mask & ~PNG_FREE_MUL); -#endif } /* This is an internal routine to free any memory that the info struct is * pointing to before re-using it or freeing the struct itself. Recall @@ -618,9 +456,8 @@ #ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED if (png_ptr->num_chunk_list) { png_free(png_ptr, png_ptr->chunk_list); - png_ptr->chunk_list=NULL; png_ptr->num_chunk_list = 0; } #endif @@ -678,19 +515,8 @@ png_ptr->time_buffer = (png_charp)png_malloc(png_ptr, (png_uint_32)(29* png_sizeof(char))); } -#ifdef _WIN32_WCE - { - wchar_t time_buf[29]; - wsprintf(time_buf, TEXT("%d %S %d %02d:%02d:%02d +0000"), - ptime->day % 32, short_months[(ptime->month - 1) % 12], - ptime->year, ptime->hour % 24, ptime->minute % 60, - ptime->second % 61); - WideCharToMultiByte(CP_ACP, 0, time_buf, -1, png_ptr->time_buffer, 29, - NULL, NULL); - } -#else #ifdef USE_FAR_KEYWORD { char near_time_buf[29]; png_snprintf6(near_time_buf, 29, "%d %s %d %02d:%02d:%02d +0000", @@ -705,9 +531,8 @@ ptime->day % 32, short_months[(ptime->month - 1) % 12], ptime->year, ptime->hour % 24, ptime->minute % 60, ptime->second % 61); #endif -#endif /* _WIN32_WCE */ return ((png_charp)png_ptr->time_buffer); } #endif /* PNG_TIME_RFC1123_SUPPORTED */ @@ -812,19 +637,8 @@ return((png_uint_32) PNG_LIBPNG_VER); } -#if defined(PNG_READ_SUPPORTED) && defined(PNG_ASSEMBLER_CODE_SUPPORTED) -#ifndef PNG_1_0_X -/* This function was added to libpng 1.2.0 */ -int PNGAPI -png_mmx_support(void) -{ - /* Obsolete, to be removed from libpng-1.4.0 */ - return -1; -} -#endif /* PNG_1_0_X */ -#endif /* PNG_READ_SUPPORTED && PNG_ASSEMBLER_CODE_SUPPORTED */ #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) #ifdef PNG_SIZE_T /* Added at libpng version 1.2.6 */ diff -ru4NwbB libpng-1.2.41beta18/png.h libpng-1.4.0beta98/png.h --- libpng-1.2.41beta18/png.h 2009-11-11 15:01:32.611748075 -0600 +++ libpng-1.4.0beta98/png.h 2009-11-13 05:18:10.369915093 -0600 @@ -103,150 +104,35 @@ * 1.2.6beta1-4 13 10206 12.so.0.1.2.6beta1-4 * 1.0.16 10 10016 10.so.0.1.0.16 * 1.2.6 13 10206 12.so.0.1.2.6 * 1.2.7beta1-2 13 10207 12.so.0.1.2.7beta1-2 - * 1.0.17rc1 10 10017 10.so.0.1.0.17rc1 + * 1.0.17rc1 10 10017 12.so.0.1.0.17rc1 * 1.2.7rc1 13 10207 12.so.0.1.2.7rc1 - * 1.0.17 10 10017 10.so.0.1.0.17 + * 1.0.17 10 10017 12.so.0.1.0.17 * 1.2.7 13 10207 12.so.0.1.2.7 * 1.2.8beta1-5 13 10208 12.so.0.1.2.8beta1-5 - * 1.0.18rc1-5 10 10018 10.so.0.1.0.18rc1-5 + * 1.0.18rc1-5 10 10018 12.so.0.1.0.18rc1-5 * 1.2.8rc1-5 13 10208 12.so.0.1.2.8rc1-5 - * 1.0.18 10 10018 10.so.0.1.0.18 + * 1.0.18 10 10018 12.so.0.1.0.18 * 1.2.8 13 10208 12.so.0.1.2.8 * 1.2.9beta1-3 13 10209 12.so.0.1.2.9beta1-3 * 1.2.9beta4-11 13 10209 12.so.0.9[.0] * 1.2.9rc1 13 10209 12.so.0.9[.0] * 1.2.9 13 10209 12.so.0.9[.0] - * 1.2.10beta1-8 13 10210 12.so.0.10[.0] - * 1.2.10rc1-3 13 10210 12.so.0.10[.0] + * 1.2.10beta1-7 13 10210 12.so.0.10[.0] + * 1.2.10rc1-2 13 10210 12.so.0.10[.0] * 1.2.10 13 10210 12.so.0.10[.0] + * 1.4.0beta1-5 14 10400 14.so.0.0[.0] * 1.2.11beta1-4 13 10211 12.so.0.11[.0] - * 1.0.19rc1-5 10 10019 10.so.0.19[.0] - * 1.2.11rc1-5 13 10211 12.so.0.11[.0] - * 1.0.19 10 10019 10.so.0.19[.0] + * 1.4.0beta7-8 14 10400 14.so.0.0[.0] * 1.2.11 13 10211 12.so.0.11[.0] - * 1.0.20 10 10020 10.so.0.20[.0] * 1.2.12 13 10212 12.so.0.12[.0] - * 1.2.13beta1 13 10213 12.so.0.13[.0] - * 1.0.21 10 10021 10.so.0.21[.0] + * 1.4.0beta9-14 14 10400 14.so.0.0[.0] * 1.2.13 13 10213 12.so.0.13[.0] - * 1.2.14beta1-2 13 10214 12.so.0.14[.0] - * 1.0.22rc1 10 10022 10.so.0.22[.0] - * 1.2.14rc1 13 10214 12.so.0.14[.0] - * 1.0.22 10 10022 10.so.0.22[.0] - * 1.2.14 13 10214 12.so.0.14[.0] - * 1.2.15beta1-6 13 10215 12.so.0.15[.0] - * 1.0.23rc1-5 10 10023 10.so.0.23[.0] - * 1.2.15rc1-5 13 10215 12.so.0.15[.0] - * 1.0.23 10 10023 10.so.0.23[.0] - * 1.2.15 13 10215 12.so.0.15[.0] - * 1.2.16beta1-2 13 10216 12.so.0.16[.0] - * 1.2.16rc1 13 10216 12.so.0.16[.0] - * 1.0.24 10 10024 10.so.0.24[.0] - * 1.2.16 13 10216 12.so.0.16[.0] - * 1.2.17beta1-2 13 10217 12.so.0.17[.0] - * 1.0.25rc1 10 10025 10.so.0.25[.0] - * 1.2.17rc1-3 13 10217 12.so.0.17[.0] - * 1.0.25 10 10025 10.so.0.25[.0] - * 1.2.17 13 10217 12.so.0.17[.0] - * 1.0.26 10 10026 10.so.0.26[.0] - * 1.2.18 13 10218 12.so.0.18[.0] - * 1.2.19beta1-31 13 10219 12.so.0.19[.0] - * 1.0.27rc1-6 10 10027 10.so.0.27[.0] - * 1.2.19rc1-6 13 10219 12.so.0.19[.0] - * 1.0.27 10 10027 10.so.0.27[.0] - * 1.2.19 13 10219 12.so.0.19[.0] - * 1.2.20beta01-04 13 10220 12.so.0.20[.0] - * 1.0.28rc1-6 10 10028 10.so.0.28[.0] - * 1.2.20rc1-6 13 10220 12.so.0.20[.0] - * 1.0.28 10 10028 10.so.0.28[.0] - * 1.2.20 13 10220 12.so.0.20[.0] - * 1.2.21beta1-2 13 10221 12.so.0.21[.0] - * 1.2.21rc1-3 13 10221 12.so.0.21[.0] - * 1.0.29 10 10029 10.so.0.29[.0] - * 1.2.21 13 10221 12.so.0.21[.0] - * 1.2.22beta1-4 13 10222 12.so.0.22[.0] - * 1.0.30rc1 10 10030 10.so.0.30[.0] - * 1.2.22rc1 13 10222 12.so.0.22[.0] - * 1.0.30 10 10030 10.so.0.30[.0] - * 1.2.22 13 10222 12.so.0.22[.0] - * 1.2.23beta01-05 13 10223 12.so.0.23[.0] - * 1.2.23rc01 13 10223 12.so.0.23[.0] - * 1.2.23 13 10223 12.so.0.23[.0] - * 1.2.24beta01-02 13 10224 12.so.0.24[.0] - * 1.2.24rc01 13 10224 12.so.0.24[.0] - * 1.2.24 13 10224 12.so.0.24[.0] - * 1.2.25beta01-06 13 10225 12.so.0.25[.0] - * 1.2.25rc01-02 13 10225 12.so.0.25[.0] - * 1.0.31 10 10031 10.so.0.31[.0] - * 1.2.25 13 10225 12.so.0.25[.0] - * 1.2.26beta01-06 13 10226 12.so.0.26[.0] - * 1.2.26rc01 13 10226 12.so.0.26[.0] - * 1.2.26 13 10226 12.so.0.26[.0] - * 1.0.32 10 10032 10.so.0.32[.0] - * 1.2.27beta01-06 13 10227 12.so.0.27[.0] - * 1.2.27rc01 13 10227 12.so.0.27[.0] - * 1.0.33 10 10033 10.so.0.33[.0] - * 1.2.27 13 10227 12.so.0.27[.0] - * 1.0.34 10 10034 10.so.0.34[.0] - * 1.2.28 13 10228 12.so.0.28[.0] - * 1.2.29beta01-03 13 10229 12.so.0.29[.0] - * 1.2.29rc01 13 10229 12.so.0.29[.0] - * 1.0.35 10 10035 10.so.0.35[.0] - * 1.2.29 13 10229 12.so.0.29[.0] - * 1.0.37 10 10037 10.so.0.37[.0] - * 1.2.30beta01-04 13 10230 12.so.0.30[.0] - * 1.0.38rc01-08 10 10038 10.so.0.38[.0] - * 1.2.30rc01-08 13 10230 12.so.0.30[.0] - * 1.0.38 10 10038 10.so.0.38[.0] - * 1.2.30 13 10230 12.so.0.30[.0] - * 1.0.39rc01-03 10 10039 10.so.0.39[.0] - * 1.2.31rc01-03 13 10231 12.so.0.31[.0] - * 1.0.39 10 10039 10.so.0.39[.0] - * 1.2.31 13 10231 12.so.0.31[.0] - * 1.2.32beta01-02 13 10232 12.so.0.32[.0] - * 1.0.40rc01 10 10040 10.so.0.40[.0] - * 1.2.32rc01 13 10232 12.so.0.32[.0] - * 1.0.40 10 10040 10.so.0.40[.0] - * 1.2.32 13 10232 12.so.0.32[.0] - * 1.2.33beta01-02 13 10233 12.so.0.33[.0] - * 1.2.33rc01-02 13 10233 12.so.0.33[.0] - * 1.0.41rc01 10 10041 10.so.0.41[.0] - * 1.2.33 13 10233 12.so.0.33[.0] - * 1.0.41 10 10041 10.so.0.41[.0] - * 1.2.34beta01-07 13 10234 12.so.0.34[.0] - * 1.0.42rc01 10 10042 10.so.0.42[.0] - * 1.2.34rc01 13 10234 12.so.0.34[.0] - * 1.0.42 10 10042 10.so.0.42[.0] - * 1.2.34 13 10234 12.so.0.34[.0] - * 1.2.35beta01-03 13 10235 12.so.0.35[.0] - * 1.0.43rc01-02 10 10043 10.so.0.43[.0] - * 1.2.35rc01-02 13 10235 12.so.0.35[.0] - * 1.0.43 10 10043 10.so.0.43[.0] - * 1.2.35 13 10235 12.so.0.35[.0] - * 1.2.36beta01-05 13 10236 12.so.0.36[.0] - * 1.2.36rc01 13 10236 12.so.0.36[.0] - * 1.0.44 10 10044 10.so.0.44[.0] - * 1.2.36 13 10236 12.so.0.36[.0] - * 1.2.37beta01-03 13 10237 12.so.0.37[.0] - * 1.2.37rc01 13 10237 12.so.0.37[.0] - * 1.2.37 13 10237 12.so.0.37[.0] - * 1.2.45 10 10045 12.so.0.45[.0] - * 1.0.46 10 10046 10.so.0.46[.0] - * 1.2.38beta01 13 10238 12.so.0.38[.0] - * 1.2.38rc01-03 13 10238 12.so.0.38[.0] - * 1.0.47 10 10047 10.so.0.47[.0] - * 1.2.38 13 10238 12.so.0.38[.0] - * 1.2.39beta01-05 13 10239 12.so.0.39[.0] - * 1.2.39rc01 13 10239 12.so.0.39[.0] - * 1.0.48 10 10048 10.so.0.48[.0] - * 1.2.39 13 10239 12.so.0.39[.0] - * 1.2.40beta01 13 10240 12.so.0.40[.0] - * 1.2.40rc01 13 10240 12.so.0.40[.0] - * 1.0.49 10 10049 10.so.0.49[.0] - * 1.2.40 13 10240 12.so.0.40[.0] - * 1.2.41beta01-17 13 10241 12.so.0.41[.0] + * 1.4.0beta15-36 14 10400 14.so.0.0[.0] + * 1.4.0beta37-87 14 10400 14.so.14.0[.0] + * 1.4.0rc01 14 10400 14.so.14.0[.0] + * 1.4.0beta88-98 14 10400 14.so.14.0[.0] * * Henceforth the source version will match the shared-library major * and minor numbers; the shared-library major version number will be * used for changes in backward compatibility, as it is intended. The @@ -254,9 +140,9 @@ * for applications, is an unsigned integer of the form xyyzz corresponding * to the source version x.y.z (leading zeros in y and z). Beta versions * were given the previous public release number plus a letter, until * version 1.0.6j; from then on they were given the upcoming public - * release number plus "betaNN" or "rcNN". + * release number plus "betaNN" or "rcN". * * Binary incompatibility exists only when applications make direct access * to the info_ptr or png_ptr members through png.h, and the compiled * application is loaded with a different version of the library. @@ -277,9 +163,9 @@ * * This code is released under the libpng license. * * libpng versions 1.2.6, August 15, 2004, through 1.4.0beta98, November 13, 2009, are - * Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are + * Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are * distributed according to the same disclaimer and license as libpng-1.2.5 * with the following individual added to the list of Contributing Authors: * * Cosmin Truta @@ -388,9 +274,9 @@ /* * Y2K compliance in libpng: * ========================= * - * November 13, 2009 + * July 1, 2008 * * Since the PNG Development group is an ad-hoc body, we can't make * an official declaration. * @@ -482,29 +368,34 @@ PNG_LIBPNG_BUILD_SPECIAL */ #define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with PNG_LIBPNG_BUILD_PRIVATE */ -#define PNG_LIBPNG_BUILD_BASE_TYPE %BUILDTYPE% +#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_BETA /* Careful here. At one time, Guy wanted to use 082, but that would be octal. * We must not include leading zeros. * Versions 0.7 through 1.0.0 were in the range 0 to 100 here (only * version 1.0.0 was mis-numbered 100 instead of 10000). From * version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release */ -#define PNG_LIBPNG_VER %VER_NUM% /* %MAJOR%.%MINOR%.%RELEASE% */ +#define PNG_LIBPNG_VER 10400 /* 1.4.0 */ #ifndef PNG_VERSION_INFO_ONLY /* Include the compression library's header */ #include "zlib.h" #endif +#ifdef AIX +#define jmpbuf __jmpbuf +#endif + /* Include all user configurable info, including optional assembler routines */ #include "pngconf.h" /* - * Added at libpng-1.2.8 */ -/* Ref MSDN: Private as priority over Special + * Added at libpng-1.2.8 + * + * Ref MSDN: Private as priority over Special * VS_FF_PRIVATEBUILD File *was not* built using standard release * procedures. If this value is given, the StringFileInfo block must * contain a PrivateBuild string. * @@ -538,67 +429,14 @@ * library functions, while the third has the internal library functions, * which applications aren't expected to use directly. */ -#ifndef PNG_NO_TYPECAST_NULL -#define int_p_NULL (int *)NULL -#define png_bytep_NULL (png_bytep)NULL -#define png_bytepp_NULL (png_bytepp)NULL -#define png_doublep_NULL (png_doublep)NULL -#define png_error_ptr_NULL (png_error_ptr)NULL -#define png_flush_ptr_NULL (png_flush_ptr)NULL -#define png_free_ptr_NULL (png_free_ptr)NULL -#define png_infopp_NULL (png_infopp)NULL -#define png_malloc_ptr_NULL (png_malloc_ptr)NULL -#define png_read_status_ptr_NULL (png_read_status_ptr)NULL -#define png_rw_ptr_NULL (png_rw_ptr)NULL -#define png_structp_NULL (png_structp)NULL -#define png_uint_16p_NULL (png_uint_16p)NULL -#define png_voidp_NULL (png_voidp)NULL -#define png_write_status_ptr_NULL (png_write_status_ptr)NULL -#else -#define int_p_NULL NULL -#define png_bytep_NULL NULL -#define png_bytepp_NULL NULL -#define png_doublep_NULL NULL -#define png_error_ptr_NULL NULL -#define png_flush_ptr_NULL NULL -#define png_free_ptr_NULL NULL -#define png_infopp_NULL NULL -#define png_malloc_ptr_NULL NULL -#define png_read_status_ptr_NULL NULL -#define png_rw_ptr_NULL NULL -#define png_structp_NULL NULL -#define png_uint_16p_NULL NULL -#define png_voidp_NULL NULL -#define png_write_status_ptr_NULL NULL -#endif - /* Variables declared in png.c - only it needs to define PNG_NO_EXTERN */ #if !defined(PNG_NO_EXTERN) || defined(PNG_ALWAYS_EXTERN) /* Version information for C files, stored in png.c. This had better match * the version above. */ -#ifdef PNG_USE_GLOBAL_ARRAYS -PNG_EXPORT_VAR (PNG_CONST char) png_libpng_ver[18]; - /* Need room for 99.99.99beta99z */ -#else #define png_libpng_ver png_get_header_ver(NULL) -#endif - -#ifdef PNG_USE_GLOBAL_ARRAYS -/* This was removed in version 1.0.5c */ -/* Structures to facilitate easy interlacing. See png.c for more details */ -PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_start[7]; -PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_inc[7]; -PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_ystart[7]; -PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_yinc[7]; -PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_mask[7]; -PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_dsp_mask[7]; -/* This isn't currently used. If you need it, see png.c for more details. -PNG_EXPORT_VAR (PNG_CONST int FARDATA) png_pass_height[7]; -*/ -#endif #endif /* PNG_NO_EXTERN */ /* Three color definitions. The order of the red, green, and blue, (and the @@ -698,10 +536,9 @@ typedef png_text FAR * FAR * png_textpp; #endif /* Supported compression types for text in PNG files (tEXt, and zTXt). - * The values of the PNG_TEXT_COMPRESSION_ defines should NOT be changed. - */ + * The values of the PNG_TEXT_COMPRESSION_ defines should NOT be changed. */ #define PNG_TEXT_COMPRESSION_NONE_WR -3 #define PNG_TEXT_COMPRESSION_zTXt_WR -2 #define PNG_TEXT_COMPRESSION_NONE -1 #define PNG_TEXT_COMPRESSION_zTXt 0 @@ -733,12 +570,11 @@ * no specific support. The idea is that we can use this to queue * up private chunks for output even though the library doesn't actually * know about their semantics. */ -#define PNG_CHUNK_NAME_LENGTH 5 typedef struct png_unknown_chunk_t { - png_byte name[PNG_CHUNK_NAME_LENGTH]; + png_byte name[5]; png_byte *data; png_size_t size; /* libpng-using applications should NOT directly modify this byte. */ @@ -789,13 +625,13 @@ * functions do not make their own copies. */ typedef struct png_info_struct { - /* The following are necessary for every PNG file */ + /* the following are necessary for every PNG file */ png_uint_32 width PNG_DEPSTRUCT; /* width of image in pixels (from IHDR) */ png_uint_32 height PNG_DEPSTRUCT; /* height of image in pixels (from IHDR) */ png_uint_32 valid PNG_DEPSTRUCT; /* valid chunk data (see PNG_INFO_ below) */ - png_uint_32 rowbytes PNG_DEPSTRUCT; /* bytes needed to hold an untransformed row */ + png_size_t rowbytes PNG_DEPSTRUCT; /* bytes needed to hold an untransformed row */ png_colorp palette PNG_DEPSTRUCT; /* array of color values (valid & PNG_INFO_PLTE) */ png_uint_16 num_palette PNG_DEPSTRUCT; /* number of color entries in "palette" (PLTE) */ png_uint_16 num_trans PNG_DEPSTRUCT; /* number of transparent palette color (tRNS) */ png_byte bit_depth PNG_DEPSTRUCT; /* 1, 2, 4, 8, or 16 bits/channel (from IHDR) */ @@ -872,10 +708,10 @@ * to fully opaque, respectively. For non-paletted images, there is a * single color specified that should be treated as fully transparent. * Data is valid if (valid & PNG_INFO_tRNS) is non-zero. */ - png_bytep trans PNG_DEPSTRUCT; /* transparent values for paletted image */ - png_color_16 trans_values PNG_DEPSTRUCT; /* transparent color for non-palette image */ + png_bytep trans_alpha PNG_DEPSTRUCT; /* alpha values for paletted image */ + png_color_16 trans_color PNG_DEPSTRUCT; /* transparent color for non-palette image */ #endif #if defined(PNG_bKGD_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) /* The bKGD chunk gives the suggested image background color if the @@ -958,11 +794,9 @@ png_byte pcal_nparams PNG_DEPSTRUCT; /* number of parameters given in pcal_params */ #endif /* New members added in libpng-1.0.6 */ -#ifdef PNG_FREE_ME_SUPPORTED png_uint_32 free_me PNG_DEPSTRUCT; /* flags items libpng is responsible for freeing */ -#endif #if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) || \ defined(PNG_HANDLE_AS_UNKNOWN_SUPPORTED) /* Storage for unknown chunks that the library doesn't recognize. */ @@ -1033,12 +867,8 @@ /* Maximum positive integer used in PNG is (2^31)-1 */ #define PNG_UINT_31_MAX ((png_uint_32)0x7fffffffL) #define PNG_UINT_32_MAX ((png_uint_32)(-1)) #define PNG_SIZE_MAX ((png_size_t)(-1)) -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* PNG_MAX_UINT is deprecated; use PNG_UINT_31_MAX instead. */ -#define PNG_MAX_UINT PNG_UINT_31_MAX -#endif /* These describe the color_type field in png_info. */ /* color type masks */ #define PNG_COLOR_MASK_PALETTE 1 @@ -1133,9 +963,9 @@ */ typedef struct png_row_info_struct { png_uint_32 width; /* width of row */ - png_uint_32 rowbytes; /* number of bytes in row */ + png_size_t rowbytes; /* number of bytes in row */ png_byte color_type; /* color type of row */ png_byte bit_depth; /* bit depth of row */ png_byte channels; /* number of channels (1, 2, 3, or 4) */ png_byte pixel_depth; /* bits per pixel (depth * channels) */ @@ -1168,10 +998,9 @@ png_uint_32, int)); #endif #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_LEGACY_SUPPORTED) + defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) typedef void (PNGAPI *png_user_transform_ptr) PNGARG((png_structp, png_row_infop, png_bytep)); #endif @@ -1194,21 +1023,21 @@ #define PNG_TRANSFORM_BGR 0x0080 /* read and write */ #define PNG_TRANSFORM_SWAP_ALPHA 0x0100 /* read and write */ #define PNG_TRANSFORM_SWAP_ENDIAN 0x0200 /* read and write */ #define PNG_TRANSFORM_INVERT_ALPHA 0x0400 /* read and write */ -#define PNG_TRANSFORM_STRIP_FILLER 0x0800 /* write only, deprecated */ +#define PNG_TRANSFORM_STRIP_FILLER 0x0800 /* write only */ /* Added to libpng-1.2.34 */ -#define PNG_TRANSFORM_STRIP_FILLER_BEFORE 0x0800 /* write only */ +#define PNG_TRANSFORM_STRIP_FILLER_BEFORE PNG_TRANSFORM_STRIP_FILLER #define PNG_TRANSFORM_STRIP_FILLER_AFTER 0x1000 /* write only */ -/* Added to libpng-1.2.41 */ +/* Added to libpng-1.4.0 */ #define PNG_TRANSFORM_GRAY_TO_RGB 0x2000 /* read only */ /* Flags for MNG supported features */ #define PNG_FLAG_MNG_EMPTY_PLTE 0x01 #define PNG_FLAG_MNG_FILTER_64 0x04 #define PNG_ALL_MNG_FEATURES 0x05 -typedef png_voidp (*png_malloc_ptr) PNGARG((png_structp, png_size_t)); +typedef png_voidp (*png_malloc_ptr) PNGARG((png_structp, png_alloc_size_t)); typedef void (*png_free_ptr) PNGARG((png_structp, png_voidp)); /* The structure that holds the information to read and write PNG files. * The only people who need to care about what is inside of this are the @@ -1263,20 +1092,18 @@ png_uint_32 width PNG_DEPSTRUCT; /* width of image in pixels */ png_uint_32 height PNG_DEPSTRUCT; /* height of image in pixels */ png_uint_32 num_rows PNG_DEPSTRUCT; /* number of rows in current pass */ png_uint_32 usr_width PNG_DEPSTRUCT; /* width of row at start of write */ - png_uint_32 rowbytes PNG_DEPSTRUCT; /* size of row in bytes */ - png_uint_32 irowbytes PNG_DEPSTRUCT; /* size of current interlaced row in bytes */ + png_size_t rowbytes PNG_DEPSTRUCT; /* size of row in bytes */ + png_size_t irowbytes PNG_DEPSTRUCT; /* size of current interlaced row in bytes */ png_uint_32 iwidth PNG_DEPSTRUCT; /* width of current interlaced row in pixels */ png_uint_32 row_number PNG_DEPSTRUCT; /* current row in interlace pass */ png_bytep prev_row PNG_DEPSTRUCT; /* buffer to save previous (unfiltered) row */ png_bytep row_buf PNG_DEPSTRUCT; /* buffer to save current (unfiltered) row */ -#ifndef PNG_NO_WRITE_FILTER png_bytep sub_row PNG_DEPSTRUCT; /* buffer to save "sub" row when filtering */ png_bytep up_row PNG_DEPSTRUCT; /* buffer to save "up" row when filtering */ png_bytep avg_row PNG_DEPSTRUCT; /* buffer to save "avg" row when filtering */ png_bytep paeth_row PNG_DEPSTRUCT; /* buffer to save "Paeth" row when filtering */ -#endif png_row_info row_info PNG_DEPSTRUCT; /* used for transformation routines */ png_uint_32 idat_size PNG_DEPSTRUCT; /* current IDAT size for read */ png_uint_32 crc PNG_DEPSTRUCT; /* current chunk CRC value */ @@ -1297,14 +1124,10 @@ png_byte usr_channels PNG_DEPSTRUCT; /* channels at start of write */ png_byte sig_bytes PNG_DEPSTRUCT; /* magic bytes read/written from start of file */ #if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED) -#ifdef PNG_LEGACY_SUPPORTED - png_byte filler PNG_DEPSTRUCT; /* filler byte for pixel expansion */ -#else png_uint_16 filler PNG_DEPSTRUCT; /* filler bytes for pixel expansion */ #endif -#endif #ifdef PNG_bKGD_SUPPORTED png_byte background_gamma_type PNG_DEPSTRUCT; # ifdef PNG_FLOATING_POINT_SUPPORTED @@ -1348,10 +1171,10 @@ #endif #if defined(PNG_tRNS_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) \ || defined(PNG_READ_EXPAND_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) - png_bytep trans PNG_DEPSTRUCT; /* transparency values for paletted files */ - png_color_16 trans_values PNG_DEPSTRUCT; /* transparency values for non-paletted files */ + png_bytep trans_alpha PNG_DEPSTRUCT; /* alpha values for paletted files */ + png_color_16 trans_color PNG_DEPSTRUCT; /* transparent color for non-paletted files */ #endif png_read_status_ptr read_row_fn PNG_DEPSTRUCT; /* called after each row is decoded */ png_write_status_ptr write_row_fn PNG_DEPSTRUCT; /* called after each row is encoded */ @@ -1376,13 +1199,14 @@ png_size_t current_text_size PNG_DEPSTRUCT; /* current size of text input data */ png_size_t current_text_left PNG_DEPSTRUCT; /* how much text left to read in input */ png_charp current_text PNG_DEPSTRUCT; /* current text chunk buffer */ png_charp current_text_ptr PNG_DEPSTRUCT; /* current location in current_text */ -# endif /* PNG_TEXT_SUPPORTED */ +# endif /* PNG_PROGRESSIVE_READ_SUPPORTED && PNG_TEXT_SUPPORTED */ + #endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ #if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__) -/* for the Borland special 64K segment handler */ +/* For the Borland special 64K segment handler */ png_bytepp offset_table_ptr PNG_DEPSTRUCT; png_bytep offset_table PNG_DEPSTRUCT; png_uint_16 offset_table_number PNG_DEPSTRUCT; png_uint_16 offset_table_count PNG_DEPSTRUCT; @@ -1413,11 +1237,9 @@ #endif /* New members added in libpng-1.0.6 */ -#ifdef PNG_FREE_ME_SUPPORTED png_uint_32 free_me PNG_DEPSTRUCT; /* flags items libpng is responsible for freeing */ -#endif #ifdef PNG_USER_CHUNKS_SUPPORTED png_voidp user_chunk_ptr PNG_DEPSTRUCT; png_user_chunk_ptr read_user_chunk_fn PNG_DEPSTRUCT; /* user read chunk handler */ @@ -1441,13 +1263,9 @@ #if defined(PNG_MNG_FEATURES_SUPPORTED) || \ defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \ defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) /* Changed from png_byte to png_uint_32 at version 1.2.0 */ -#ifdef PNG_1_0_X - png_byte mng_features_permitted PNG_DEPSTRUCT; -#else png_uint_32 mng_features_permitted PNG_DEPSTRUCT; -#endif /* PNG_1_0_X */ #endif /* New member added in libpng-1.0.7 */ #if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) @@ -1458,23 +1276,9 @@ #ifdef PNG_MNG_FEATURES_SUPPORTED png_byte filter_type PNG_DEPSTRUCT; #endif -#ifdef PNG_1_0_X -/* New member added in libpng-1.0.10, ifdef'ed out in 1.2.0 */ - png_uint_32 row_buf_size PNG_DEPSTRUCT; -#endif - /* New members added in libpng-1.2.0 */ -#ifdef PNG_ASSEMBLER_CODE_SUPPORTED -# ifndef PNG_1_0_X -# ifdef PNG_MMX_CODE_SUPPORTED - png_byte mmx_bitdepth_threshold PNG_DEPSTRUCT; - png_uint_32 mmx_rowbytes_threshold PNG_DEPSTRUCT; -# endif - png_uint_32 asm_flags PNG_DEPSTRUCT; -# endif -#endif /* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */ #ifdef PNG_USER_MEM_SUPPORTED png_voidp mem_ptr PNG_DEPSTRUCT; /* user supplied struct for mem functions */ @@ -1499,8 +1303,12 @@ #ifdef PNG_SET_USER_LIMITS_SUPPORTED png_uint_32 user_width_max PNG_DEPSTRUCT; png_uint_32 user_height_max PNG_DEPSTRUCT; + /* Added in libpng-1.4.0: Total number of sPLT, text, and unknown + * chunks that can be stored (0x7fffffff means unlimited). + */ + png_uint_32 user_chunk_cache_max PNG_DEPSTRUCT; #endif /* New member added in libpng-1.0.25 and 1.2.17 */ #ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED @@ -1514,9 +1322,12 @@ /* New member added in libpng-1.2.30 */ png_charp chunkdata PNG_DEPSTRUCT; /* buffer for reading chunk data */ - +/* New member added in libpng-1.4.0 */ +#ifdef PNG_IO_STATE_SUPPORTED + png_uint_32 io_state PNG_DEPSTRUCT; +#endif }; /* This triggers a compiler error in png.c, if png.c and png.h @@ -1548,13 +1359,8 @@ */ extern PNG_EXPORT(int,png_sig_cmp) PNGARG((png_bytep sig, png_size_t start, png_size_t num_to_check)); -/* Simple signature checking function. This is the same as calling - * png_check_sig(sig, n) := !png_sig_cmp(sig, 0, n). - */ -extern PNG_EXPORT(int,png_check_sig) PNGARG((png_bytep sig, int num)) PNG_DEPRECATED; - /* Allocate and initialize png_ptr struct for reading, and any other memory. */ extern PNG_EXPORT(png_structp,png_create_read_struct) PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn)) PNG_ALLOCATED; @@ -1564,15 +1370,15 @@ PNGARG((png_const_charp user_png_ver, png_voidp error_ptr, png_error_ptr error_fn, png_error_ptr warn_fn)) PNG_ALLOCATED; #ifdef PNG_WRITE_SUPPORTED -extern PNG_EXPORT(png_uint_32,png_get_compression_buffer_size) +extern PNG_EXPORT(png_size_t,png_get_compression_buffer_size) PNGARG((png_structp png_ptr)); #endif #ifdef PNG_WRITE_SUPPORTED extern PNG_EXPORT(void,png_set_compression_buffer_size) - PNGARG((png_structp png_ptr, png_uint_32 size)); + PNGARG((png_structp png_ptr, png_size_t size)); #endif /* Reset the compression stream */ extern PNG_EXPORT(int,png_reset_zstream) PNGARG((png_structp png_ptr)); @@ -1588,8 +1394,11 @@ png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr, png_malloc_ptr malloc_fn, png_free_ptr free_fn)) PNG_ALLOCATED; #endif +/* Write the PNG file signature. */ +extern PNG_EXPORT(void,png_write_sig) PNGARG((png_structp png_ptr)); + /* Write a PNG chunk - size, type, (optional) data, CRC. */ extern PNG_EXPORT(void,png_write_chunk) PNGARG((png_structp png_ptr, png_bytep chunk_name, png_bytep data, png_size_t length)); @@ -1607,17 +1416,8 @@ /* Allocate and initialize the info structure */ extern PNG_EXPORT(png_infop,png_create_info_struct) PNGARG((png_structp png_ptr)) PNG_ALLOCATED; -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* Initialize the info structure (old interface - DEPRECATED) */ -extern PNG_EXPORT(void,png_info_init) PNGARG((png_infop info_ptr)) - PNG_DEPRECATED; -#undef png_info_init -#define png_info_init(info_ptr) png_info_init_3(&info_ptr,\ - png_sizeof(png_info)); -#endif - extern PNG_EXPORT(void,png_info_init_3) PNGARG((png_infopp info_ptr, png_size_t png_info_struct_size)); /* Writes all the PNG information before the image. */ @@ -1649,19 +1449,12 @@ #ifdef PNG_READ_EXPAND_SUPPORTED /* Expand data to 24-bit RGB, or 8-bit grayscale, with alpha if available. */ extern PNG_EXPORT(void,png_set_expand) PNGARG((png_structp png_ptr)); -#ifndef PNG_1_0_X extern PNG_EXPORT(void,png_set_expand_gray_1_2_4_to_8) PNGARG((png_structp png_ptr)); -#endif extern PNG_EXPORT(void,png_set_palette_to_rgb) PNGARG((png_structp png_ptr)); extern PNG_EXPORT(void,png_set_tRNS_to_alpha) PNGARG((png_structp png_ptr)); -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* Deprecated */ -extern PNG_EXPORT(void,png_set_gray_1_2_4_to_8) PNGARG((png_structp - png_ptr)) PNG_DEPRECATED; -#endif #endif #if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) /* Use blue, green, red order for pixels. */ @@ -1701,20 +1494,23 @@ defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED) extern PNG_EXPORT(void,png_set_invert_alpha) PNGARG((png_structp png_ptr)); #endif +#ifdef PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED +extern PNG_EXPORT(void,png_set_premultiply_alpha) + PNGARG((png_structp png_ptr)); +#endif + #if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED) /* Add a filler byte to 8-bit Gray or 24-bit RGB images. */ extern PNG_EXPORT(void,png_set_filler) PNGARG((png_structp png_ptr, png_uint_32 filler, int flags)); /* The values of the PNG_FILLER_ defines should NOT be changed */ #define PNG_FILLER_BEFORE 0 #define PNG_FILLER_AFTER 1 /* Add an alpha byte to 8-bit Gray or 24-bit RGB images. */ -#ifndef PNG_1_0_X extern PNG_EXPORT(void,png_set_add_alpha) PNGARG((png_structp png_ptr, png_uint_32 filler, int flags)); -#endif #endif /* PNG_READ_FILLER_SUPPORTED || PNG_WRITE_FILLER_SUPPORTED */ #if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED) /* Swap bytes in 16-bit depth files. */ @@ -1780,17 +1576,8 @@ double screen_gamma, double default_file_gamma)); #endif #endif -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \ - defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) -/* Permit or disallow empty PLTE (0: not permitted, 1: permitted) */ -/* Deprecated and will be removed. Use png_permit_mng_features() instead. */ -extern PNG_EXPORT(void,png_permit_empty_plte) PNGARG((png_structp png_ptr, - int empty_plte_permitted)) PNG_DEPRECATED; -#endif -#endif #ifdef PNG_WRITE_FLUSH_SUPPORTED /* Set how many lines between output flushes - 0 for no flushing */ extern PNG_EXPORT(void,png_set_flush) PNGARG((png_structp png_ptr, int nrows)); @@ -1804,22 +1591,22 @@ /* Optional call to update the users info structure */ extern PNG_EXPORT(void,png_read_update_info) PNGARG((png_structp png_ptr, png_infop info_ptr)); -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED +#ifdef PNG_SEQUENTIAL_READ_SUPPORTED /* Read one or more rows of image data. */ extern PNG_EXPORT(void,png_read_rows) PNGARG((png_structp png_ptr, png_bytepp row, png_bytepp display_row, png_uint_32 num_rows)); #endif -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED +#ifdef PNG_SEQUENTIAL_READ_SUPPORTED /* Read a row of data. */ extern PNG_EXPORT(void,png_read_row) PNGARG((png_structp png_ptr, png_bytep row, png_bytep display_row)); #endif -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED +#ifdef PNG_SEQUENTIAL_READ_SUPPORTED /* Read the whole image into memory at once. */ extern PNG_EXPORT(void,png_read_image) PNGARG((png_structp png_ptr, png_bytepp image)); #endif @@ -1835,13 +1622,13 @@ /* Write the image data */ extern PNG_EXPORT(void,png_write_image) PNGARG((png_structp png_ptr, png_bytepp image)); -/* Writes the end of the PNG file. */ +/* Write the end of the PNG file. */ extern PNG_EXPORT(void,png_write_end) PNGARG((png_structp png_ptr, png_infop info_ptr)); -#ifndef PNG_NO_SEQUENTIAL_READ_SUPPORTED +#ifdef PNG_SEQUENTIAL_READ_SUPPORTED /* Read the end of the PNG file. */ extern PNG_EXPORT(void,png_read_end) PNGARG((png_structp png_ptr, png_infop info_ptr)); #endif @@ -1853,19 +1640,12 @@ /* Free any memory associated with the png_struct and the png_info_structs */ extern PNG_EXPORT(void,png_destroy_read_struct) PNGARG((png_structpp png_ptr_ptr, png_infopp info_ptr_ptr, png_infopp end_info_ptr_ptr)); -/* Free all memory used by the read (old method - NOT DLL EXPORTED) */ -extern void png_read_destroy PNGARG((png_structp png_ptr, png_infop info_ptr, - png_infop end_info_ptr)) PNG_DEPRECATED; - /* Free any memory associated with the png_struct and the png_info_structs */ extern PNG_EXPORT(void,png_destroy_write_struct) PNGARG((png_structpp png_ptr_ptr, png_infopp info_ptr_ptr)); -/* Free any memory used in png_ptr struct (old method - NOT DLL EXPORTED) */ -extern void png_write_destroy PNGARG((png_structp png_ptr)) PNG_DEPRECATED; - /* Set the libpng method of handling chunk CRC errors */ extern PNG_EXPORT(void,png_set_crc_action) PNGARG((png_structp png_ptr, int crit_action, int ancil_action)); @@ -1922,9 +1702,9 @@ #define PNG_FILTER_VALUE_AVG 3 #define PNG_FILTER_VALUE_PAETH 4 #define PNG_FILTER_VALUE_LAST 5 -#if defined(PNG_WRITE_WEIGHTED_FILTER_SUPPORTED) /* EXPERIMENTAL */ +#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED /* EXPERIMENTAL */ /* The "heuristic_method" is given by one of the PNG_FILTER_HEURISTIC_ * defines, either the default (minimum-sum-of-absolute-differences), or * the experimental method (weighted-minimum-sum-of-absolute-differences). * @@ -2050,23 +1830,20 @@ /* Return the user pointer associated with the memory functions */ extern PNG_EXPORT(png_voidp,png_get_mem_ptr) PNGARG((png_structp png_ptr)); #endif -#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_LEGACY_SUPPORTED) +#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED extern PNG_EXPORT(void,png_set_read_user_transform_fn) PNGARG((png_structp png_ptr, png_user_transform_ptr read_user_transform_fn)); #endif -#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_LEGACY_SUPPORTED) +#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED extern PNG_EXPORT(void,png_set_write_user_transform_fn) PNGARG((png_structp png_ptr, png_user_transform_ptr write_user_transform_fn)); #endif #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_LEGACY_SUPPORTED) + defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) extern PNG_EXPORT(void,png_set_user_transform_info) PNGARG((png_structp png_ptr, png_voidp user_transform_ptr, int user_transform_depth, int user_transform_channels)); /* Return the user pointer associated with the user transform functions */ @@ -2105,40 +1882,27 @@ png_bytep old_row, png_bytep new_row)); #endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ extern PNG_EXPORT(png_voidp,png_malloc) PNGARG((png_structp png_ptr, - png_uint_32 size)) PNG_ALLOCATED; + png_alloc_size_t size)) PNG_ALLOCATED; +/* Added at libpng version 1.4.0 */ +extern PNG_EXPORT(png_voidp,png_calloc) PNGARG((png_structp png_ptr, + png_alloc_size_t size)) PNG_ALLOCATED; -#ifdef PNG_1_0_X -# define png_malloc_warn png_malloc -#else /* Added at libpng version 1.2.4 */ extern PNG_EXPORT(png_voidp,png_malloc_warn) PNGARG((png_structp png_ptr, - png_uint_32 size)) PNG_ALLOCATED; -#endif + png_alloc_size_t size)) PNG_ALLOCATED; /* Frees a pointer allocated by png_malloc() */ extern PNG_EXPORT(void,png_free) PNGARG((png_structp png_ptr, png_voidp ptr)); -#ifdef PNG_1_0_X -/* Function to allocate memory for zlib. */ -extern PNG_EXPORT(voidpf,png_zalloc) PNGARG((voidpf png_ptr, uInt items, - uInt size)); - -/* Function to free memory for zlib */ -extern PNG_EXPORT(void,png_zfree) PNGARG((voidpf png_ptr, voidpf ptr)); -#endif - /* Free data that was allocated internally */ extern PNG_EXPORT(void,png_free_data) PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 free_me, int num)); -#ifdef PNG_FREE_ME_SUPPORTED /* Reassign responsibility for freeing existing data, whether allocated - * by libpng or by the application - */ + * by libpng or by the application */ extern PNG_EXPORT(void,png_data_freer) PNGARG((png_structp png_ptr, png_infop info_ptr, int freer, png_uint_32 mask)); -#endif /* Assignments for png_data_freer */ #define PNG_DESTROY_WILL_FREE_DATA 1 #define PNG_SET_WILL_FREE_DATA 1 #define PNG_USER_WILL_FREE_DATA 2 @@ -2158,24 +1922,13 @@ #define PNG_FREE_MUL 0x4220 /* PNG_FREE_SPLT|PNG_FREE_TEXT|PNG_FREE_UNKN */ #ifdef PNG_USER_MEM_SUPPORTED extern PNG_EXPORT(png_voidp,png_malloc_default) PNGARG((png_structp png_ptr, - png_uint_32 size)) PNG_ALLOCATED; + png_alloc_size_t size)) PNG_ALLOCATED; extern PNG_EXPORT(void,png_free_default) PNGARG((png_structp png_ptr, png_voidp ptr)); #endif -extern PNG_EXPORT(png_voidp,png_memcpy_check) PNGARG((png_structp png_ptr, - png_voidp s1, png_voidp s2, png_uint_32 size)); - -extern PNG_EXPORT(png_voidp,png_memset_check) PNGARG((png_structp png_ptr, - png_voidp s1, int value, png_uint_32 size)); - -#if defined(USE_FAR_KEYWORD) /* memory model conversion function */ -extern void *png_far_to_near PNGARG((png_structp png_ptr,png_voidp ptr, - int check)); -#endif /* USE_FAR_KEYWORD */ - #ifndef PNG_NO_ERROR_TEXT /* Fatal error in PNG image of libpng - can't continue */ extern PNG_EXPORT(void,png_error) PNGARG((png_structp png_ptr, png_const_charp error_message)) PNG_NORETURN; @@ -2187,19 +1941,29 @@ /* Fatal error in PNG image of libpng - can't continue */ extern PNG_EXPORT(void,png_err) PNGARG((png_structp png_ptr)) PNG_NORETURN; #endif -#ifndef PNG_NO_WARNINGS /* Non-fatal error in libpng. Can continue, but may have a problem. */ extern PNG_EXPORT(void,png_warning) PNGARG((png_structp png_ptr, png_const_charp warning_message)); -#ifdef PNG_READ_SUPPORTED /* Non-fatal error in libpng, chunk name is prepended to message. */ extern PNG_EXPORT(void,png_chunk_warning) PNGARG((png_structp png_ptr, png_const_charp warning_message)); -#endif /* PNG_READ_SUPPORTED */ -#endif /* PNG_NO_WARNINGS */ + +#ifdef PNG_BENIGN_ERRORS_SUPPORTED +/* Benign error in libpng. Can continue, but may have a problem. + * User can choose whether to handle as a fatal error or as a warning. */ +extern PNG_EXPORT(void,png_benign_error) PNGARG((png_structp png_ptr, + png_const_charp warning_message)); + +/* Same, chunk name is prepended to message. */ +extern PNG_EXPORT(void,png_chunk_benign_error) PNGARG((png_structp png_ptr, + png_const_charp warning_message)); + +extern PNG_EXPORT(void,png_set_benign_errors) PNGARG((png_structp + png_ptr, int allowed)); +#endif /* The png_set_ functions are for storing values in the png_info_struct. * Similarly, the png_get_ calls are used to read values from the * png_info_struct, either storing the parameters in the passed variables, or @@ -2216,9 +1980,9 @@ extern PNG_EXPORT(png_uint_32,png_get_valid) PNGARG((png_structp png_ptr, png_infop info_ptr, png_uint_32 flag)); /* Returns number of bytes needed to hold a transformed row. */ -extern PNG_EXPORT(png_uint_32,png_get_rowbytes) PNGARG((png_structp png_ptr, +extern PNG_EXPORT(png_size_t,png_get_rowbytes) PNGARG((png_structp png_ptr, png_infop info_ptr)); #ifdef PNG_INFO_IMAGE_SUPPORTED /* Returns row_pointers, which is an array of pointers to scanlines that was @@ -2466,10 +2230,9 @@ extern PNG_EXPORT(png_uint_32,png_get_text) PNGARG((png_structp png_ptr, png_infop info_ptr, png_textp *text_ptr, int *num_text)); #endif -/* - * Note while png_set_text() will accept a structure whose text, +/* Note while png_set_text() will accept a structure whose text, * language, and translated keywords are NULL pointers, the structure * returned by png_get_text will always contain regular * zero-terminated C strings. They might be empty strings but * they will never be NULL pointers. @@ -2491,16 +2254,16 @@ #endif #ifdef PNG_tRNS_SUPPORTED extern PNG_EXPORT(png_uint_32,png_get_tRNS) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_bytep *trans, int *num_trans, - png_color_16p *trans_values)); + png_infop info_ptr, png_bytep *trans_alpha, int *num_trans, + png_color_16p *trans_color)); #endif #ifdef PNG_tRNS_SUPPORTED extern PNG_EXPORT(void,png_set_tRNS) PNGARG((png_structp png_ptr, - png_infop info_ptr, png_bytep trans, int num_trans, - png_color_16p trans_values)); + png_infop info_ptr, png_bytep trans_alpha, int num_trans, + png_color_16p trans_color)); #endif #ifdef PNG_tRNS_SUPPORTED #endif @@ -2571,115 +2334,8 @@ int transforms, png_voidp params)); #endif -/* Define PNG_DEBUG at compile time for debugging information. Higher - * numbers for PNG_DEBUG mean more debugging information. This has - * only been added since version 0.95 so it is not implemented throughout - * libpng yet, but more support will be added as needed. - */ -#ifdef PNG_DEBUG -#if (PNG_DEBUG > 0) -#if !defined(PNG_DEBUG_FILE) && defined(_MSC_VER) -#include -#if (PNG_DEBUG > 1) -#ifndef _DEBUG -# define _DEBUG -#endif -#ifndef png_debug -#define png_debug(l,m) _RPT0(_CRT_WARN,m PNG_STRING_NEWLINE) -#endif -#ifndef png_debug1 -#define png_debug1(l,m,p1) _RPT1(_CRT_WARN,m PNG_STRING_NEWLINE,p1) -#endif -#ifndef png_debug2 -#define png_debug2(l,m,p1,p2) _RPT2(_CRT_WARN,m PNG_STRING_NEWLINE,p1,p2) -#endif -#endif -#else /* PNG_DEBUG_FILE || !_MSC_VER */ -#ifndef PNG_DEBUG_FILE -#define PNG_DEBUG_FILE stderr -#endif /* PNG_DEBUG_FILE */ - -#if (PNG_DEBUG > 1) -/* Note: ["%s"m PNG_STRING_NEWLINE] probably does not work on non-ISO - * compilers. - */ -# ifdef __STDC__ -# ifndef png_debug -# define png_debug(l,m) \ - { \ - int num_tabs=l; \ - fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \ - (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":"")))); \ - } -# endif -# ifndef png_debug1 -# define png_debug1(l,m,p1) \ - { \ - int num_tabs=l; \ - fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \ - (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1); \ - } -# endif -# ifndef png_debug2 -# define png_debug2(l,m,p1,p2) \ - { \ - int num_tabs=l; \ - fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \ - (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1,p2); \ - } -# endif -# else /* __STDC __ */ -# ifndef png_debug -# define png_debug(l,m) \ - { \ - int num_tabs=l; \ - char format[256]; \ - snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \ - (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \ - m,PNG_STRING_NEWLINE); \ - fprintf(PNG_DEBUG_FILE,format); \ - } -# endif -# ifndef png_debug1 -# define png_debug1(l,m,p1) \ - { \ - int num_tabs=l; \ - char format[256]; \ - snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \ - (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \ - m,PNG_STRING_NEWLINE); \ - fprintf(PNG_DEBUG_FILE,format,p1); \ - } -# endif -# ifndef png_debug2 -# define png_debug2(l,m,p1,p2) \ - { \ - int num_tabs=l; \ - char format[256]; \ - snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \ - (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \ - m,PNG_STRING_NEWLINE); \ - fprintf(PNG_DEBUG_FILE,format,p1,p2); \ - } -# endif -# endif /* __STDC __ */ -#endif /* (PNG_DEBUG > 1) */ - -#endif /* _MSC_VER */ -#endif /* (PNG_DEBUG > 0) */ -#endif /* PNG_DEBUG */ -#ifndef png_debug -#define png_debug(l, m) -#endif -#ifndef png_debug1 -#define png_debug1(l, m, p1) -#endif -#ifndef png_debug2 -#define png_debug2(l, m, p1, p2) -#endif - extern PNG_EXPORT(png_charp,png_get_copyright) PNGARG((png_structp png_ptr)); extern PNG_EXPORT(png_charp,png_get_header_ver) PNGARG((png_structp png_ptr)); extern PNG_EXPORT(png_charp,png_get_header_version) PNGARG((png_structp png_ptr)); extern PNG_EXPORT(png_charp,png_get_libpng_ver) PNGARG((png_structp png_ptr)); @@ -2694,95 +2350,74 @@ #define PNG_HANDLE_CHUNK_NEVER 1 #define PNG_HANDLE_CHUNK_IF_SAFE 2 #define PNG_HANDLE_CHUNK_ALWAYS 3 -/* Added to version 1.2.0 */ -#ifdef PNG_ASSEMBLER_CODE_SUPPORTED -#ifdef PNG_MMX_CODE_SUPPORTED -#define PNG_ASM_FLAG_MMX_SUPPORT_COMPILED 0x01 /* not user-settable */ -#define PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU 0x02 /* not user-settable */ -#define PNG_ASM_FLAG_MMX_READ_COMBINE_ROW 0x04 -#define PNG_ASM_FLAG_MMX_READ_INTERLACE 0x08 -#define PNG_ASM_FLAG_MMX_READ_FILTER_SUB 0x10 -#define PNG_ASM_FLAG_MMX_READ_FILTER_UP 0x20 -#define PNG_ASM_FLAG_MMX_READ_FILTER_AVG 0x40 -#define PNG_ASM_FLAG_MMX_READ_FILTER_PAETH 0x80 -#define PNG_ASM_FLAGS_INITIALIZED 0x80000000 /* not user-settable */ - -#define PNG_MMX_READ_FLAGS ( PNG_ASM_FLAG_MMX_READ_COMBINE_ROW \ - | PNG_ASM_FLAG_MMX_READ_INTERLACE \ - | PNG_ASM_FLAG_MMX_READ_FILTER_SUB \ - | PNG_ASM_FLAG_MMX_READ_FILTER_UP \ - | PNG_ASM_FLAG_MMX_READ_FILTER_AVG \ - | PNG_ASM_FLAG_MMX_READ_FILTER_PAETH ) -#define PNG_MMX_WRITE_FLAGS ( 0 ) - -#define PNG_MMX_FLAGS ( PNG_ASM_FLAG_MMX_SUPPORT_COMPILED \ - | PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU \ - | PNG_MMX_READ_FLAGS \ - | PNG_MMX_WRITE_FLAGS ) - -#define PNG_SELECT_READ 1 -#define PNG_SELECT_WRITE 2 -#endif /* PNG_MMX_CODE_SUPPORTED */ - -#ifndef PNG_1_0_X -/* pngget.c */ -extern PNG_EXPORT(png_uint_32,png_get_mmx_flagmask) - PNGARG((int flag_select, int *compilerID)); - -/* pngget.c */ -extern PNG_EXPORT(png_uint_32,png_get_asm_flagmask) - PNGARG((int flag_select)); - -/* pngget.c */ -extern PNG_EXPORT(png_uint_32,png_get_asm_flags) - PNGARG((png_structp png_ptr)); - -/* pngget.c */ -extern PNG_EXPORT(png_byte,png_get_mmx_bitdepth_threshold) - PNGARG((png_structp png_ptr)); - -/* pngget.c */ -extern PNG_EXPORT(png_uint_32,png_get_mmx_rowbytes_threshold) - PNGARG((png_structp png_ptr)); - -/* pngset.c */ -extern PNG_EXPORT(void,png_set_asm_flags) - PNGARG((png_structp png_ptr, png_uint_32 asm_flags)); - -/* pngset.c */ -extern PNG_EXPORT(void,png_set_mmx_thresholds) - PNGARG((png_structp png_ptr, png_byte mmx_bitdepth_threshold, - png_uint_32 mmx_rowbytes_threshold)); - -#endif /* PNG_1_0_X */ - -#ifndef PNG_1_0_X -/* png.c, pnggccrd.c, or pngvcrd.c */ -extern PNG_EXPORT(int,png_mmx_support) PNGARG((void)); -#endif /* PNG_1_0_X */ -#endif /* PNG_ASSEMBLER_CODE_SUPPORTED */ - /* Strip the prepended error numbers ("#nnn ") from error and warning * messages before passing them to the error or warning handler. */ #ifdef PNG_ERROR_NUMBERS_SUPPORTED extern PNG_EXPORT(void,png_set_strip_error_numbers) PNGARG((png_structp png_ptr, png_uint_32 strip_mode)); #endif -/* Added at libpng-1.2.6 */ +/* Added in libpng-1.2.6 */ #ifdef PNG_SET_USER_LIMITS_SUPPORTED extern PNG_EXPORT(void,png_set_user_limits) PNGARG((png_structp png_ptr, png_uint_32 user_width_max, png_uint_32 user_height_max)); extern PNG_EXPORT(png_uint_32,png_get_user_width_max) PNGARG((png_structp png_ptr)); extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp png_ptr)); +/* Added in libpng-1.4.0 */ +extern PNG_EXPORT(void,png_set_chunk_cache_max) PNGARG((png_structp + png_ptr, png_uint_32 user_chunk_cache_max)); +extern PNG_EXPORT(png_uint_32,png_get_chunk_cache_max) + PNGARG((png_structp png_ptr)); #endif -/* Maintainer: Put new public prototypes here ^, in libpng.3, and in - * project defs + +#if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED) +PNG_EXPORT(png_uint_32,png_get_pixels_per_inch) PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +PNG_EXPORT(png_uint_32,png_get_x_pixels_per_inch) PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +PNG_EXPORT(png_uint_32,png_get_y_pixels_per_inch) PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +PNG_EXPORT(float,png_get_x_offset_inches) PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +PNG_EXPORT(float,png_get_y_offset_inches) PNGARG((png_structp png_ptr, +png_infop info_ptr)); + +#ifdef PNG_pHYs_SUPPORTED +PNG_EXPORT(png_uint_32,png_get_pHYs_dpi) PNGARG((png_structp png_ptr, +png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)); +#endif /* PNG_pHYs_SUPPORTED */ +#endif /* PNG_INCH_CONVERSIONS && PNG_FLOATING_POINT_SUPPORTED */ + +/* Added in libpng-1.4.0 */ +#ifdef PNG_IO_STATE_SUPPORTED +extern PNG_EXPORT(png_uint_32,png_get_io_state) PNGARG((png_structp png_ptr)); + +extern PNG_EXPORT(png_bytep,png_get_io_chunk_name) + PNGARG((png_structp png_ptr)); + +/* The flags returned by png_get_io_state() are the following: */ +#define PNG_IO_NONE 0x0000 /* no I/O at this moment */ +#define PNG_IO_READING 0x0001 /* currently reading */ +#define PNG_IO_WRITING 0x0002 /* currently writing */ +#define PNG_IO_SIGNATURE 0x0010 /* currently at the file signature */ +#define PNG_IO_CHUNK_HDR 0x0020 /* currently at the chunk header */ +#define PNG_IO_CHUNK_DATA 0x0040 /* currently at the chunk data */ +#define PNG_IO_CHUNK_CRC 0x0080 /* currently at the chunk crc */ +#define PNG_IO_MASK_OP 0x000f /* current operation: reading/writing */ +#define PNG_IO_MASK_LOC 0x00f0 /* current location: sig/hdr/data/crc */ +#endif /* ?PNG_IO_STATE_SUPPORTED */ + +/* Maintainer: Put new public prototypes here ^, in libpng.3, and project + * defs */ #ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED /* With these routines we avoid an integer divide, which will be slower on @@ -2824,31 +2459,41 @@ (png_uint_32)32767) / (png_uint_32)65535L) #endif /* PNG_READ_COMPOSITE_NODIV_SUPPORTED */ -/* Inline macros to do direct reads of bytes from the input buffer. These - * require that you are using an architecture that uses PNG byte ordering - * (MSB first) and supports unaligned data storage. I think that PowerPC - * in big-endian mode and 680x0 are the only ones that will support this. - * The x86 line of processors definitely do not. The png_get_int_32() - * routine also assumes we are using two's complement format for negative - * values, which is almost certainly true. - */ -#ifdef PNG_READ_BIG_ENDIAN_SUPPORTED -# define png_get_uint_32(buf) ( *((png_uint_32p) (buf))) -# define png_get_uint_16(buf) ( *((png_uint_16p) (buf))) -# define png_get_int_32(buf) ( *((png_int_32p) (buf))) +#ifdef PNG_USE_READ_MACROS +/* Inline macros to do direct reads of bytes from the input buffer. + * The png_get_int_32() routine assumes we are using two's complement + * format for negative values, which is almost certainly true. + */ +/* We could make special-case BIG_ENDIAN macros that do direct reads here */ +# define png_get_uint_32(buf) \ + (((png_uint_32)(*(buf)) << 24) + \ + ((png_uint_32)(*((buf) + 1)) << 16) + \ + ((png_uint_32)(*((buf) + 2)) << 8) + \ + ((png_uint_32)(*((buf) + 3)))) +# define png_get_uint_16(buf) \ + (((png_uint_32)(*(buf)) << 8) + \ + ((png_uint_32)(*((buf) + 1)))) +#ifdef PNG_GET_INT_32_SUPPORTED +# define png_get_int_32(buf) \ + (((png_int_32)(*(buf)) << 24) + \ + ((png_int_32)(*((buf) + 1)) << 16) + \ + ((png_int_32)(*((buf) + 2)) << 8) + \ + ((png_int_32)(*((buf) + 3)))) +#endif #else extern PNG_EXPORT(png_uint_32,png_get_uint_32) PNGARG((png_bytep buf)); extern PNG_EXPORT(png_uint_16,png_get_uint_16) PNGARG((png_bytep buf)); +#ifdef PNG_GET_INT_32_SUPPORTED extern PNG_EXPORT(png_int_32,png_get_int_32) PNGARG((png_bytep buf)); -#endif /* !PNG_READ_BIG_ENDIAN_SUPPORTED */ +#endif +#endif extern PNG_EXPORT(png_uint_32,png_get_uint_31) PNGARG((png_structp png_ptr, png_bytep buf)); /* No png_get_int_16 -- may be added if there's a real need for it. */ -/* Place a 32-bit number into a buffer in PNG byte order (big-endian). - */ +/* Place a 32-bit number into a buffer in PNG byte order (big-endian). */ extern PNG_EXPORT(void,png_save_uint_32) PNGARG((png_bytep buf, png_uint_32 i)); extern PNG_EXPORT(void,png_save_int_32) PNGARG((png_bytep buf, png_int_32 i)); @@ -2862,898 +2507,18 @@ /* No png_save_int_16 -- may be added if there's a real need for it. */ /* ************************************************************************* */ -/* These next functions are used internally in the code. They generally - * shouldn't be used unless you are writing code to add or replace some - * functionality in libpng. More information about most functions can - * be found in the files where the functions are located. - */ - - -/* Various modes of operation, that are visible to applications because - * they are used for unknown chunk location. +/* Various modes of operation. Note that after an init, mode is set to + * zero automatically when the structure is created. */ #define PNG_HAVE_IHDR 0x01 #define PNG_HAVE_PLTE 0x02 #define PNG_HAVE_IDAT 0x04 #define PNG_AFTER_IDAT 0x08 /* Have complete zlib datastream */ #define PNG_HAVE_IEND 0x10 - -#ifdef PNG_INTERNAL - -/* More modes of operation. Note that after an init, mode is set to - * zero automatically when the structure is created. - */ #define PNG_HAVE_gAMA 0x20 #define PNG_HAVE_cHRM 0x40 -#define PNG_HAVE_sRGB 0x80 -#define PNG_HAVE_CHUNK_HEADER 0x100 -#define PNG_WROTE_tIME 0x200 -#define PNG_WROTE_INFO_BEFORE_PLTE 0x400 -#define PNG_BACKGROUND_IS_GRAY 0x800 -#define PNG_HAVE_PNG_SIGNATURE 0x1000 -#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */ - -/* Flags for the transformations the PNG library does on the image data */ -#define PNG_BGR 0x0001 -#define PNG_INTERLACE 0x0002 -#define PNG_PACK 0x0004 -#define PNG_SHIFT 0x0008 -#define PNG_SWAP_BYTES 0x0010 -#define PNG_INVERT_MONO 0x0020 -#define PNG_DITHER 0x0040 -#define PNG_BACKGROUND 0x0080 -#define PNG_BACKGROUND_EXPAND 0x0100 - /* 0x0200 unused */ -#define PNG_16_TO_8 0x0400 -#define PNG_RGBA 0x0800 -#define PNG_EXPAND 0x1000 -#define PNG_GAMMA 0x2000 -#define PNG_GRAY_TO_RGB 0x4000 -#define PNG_FILLER 0x8000L -#define PNG_PACKSWAP 0x10000L -#define PNG_SWAP_ALPHA 0x20000L -#define PNG_STRIP_ALPHA 0x40000L -#define PNG_INVERT_ALPHA 0x80000L -#define PNG_USER_TRANSFORM 0x100000L -#define PNG_RGB_TO_GRAY_ERR 0x200000L -#define PNG_RGB_TO_GRAY_WARN 0x400000L -#define PNG_RGB_TO_GRAY 0x600000L /* two bits, RGB_TO_GRAY_ERR|WARN */ - /* 0x800000L Unused */ -#define PNG_ADD_ALPHA 0x1000000L /* Added to libpng-1.2.7 */ -#define PNG_EXPAND_tRNS 0x2000000L /* Added to libpng-1.2.9 */ -#define PNG_PREMULTIPLY_ALPHA 0x4000000L /* Added to libpng-1.2.41 */ - /* by volker */ - /* 0x8000000L unused */ - /* 0x10000000L unused */ - /* 0x20000000L unused */ - /* 0x40000000L unused */ - -/* Flags for png_create_struct */ -#define PNG_STRUCT_PNG 0x0001 -#define PNG_STRUCT_INFO 0x0002 - -/* Scaling factor for filter heuristic weighting calculations */ -#define PNG_WEIGHT_SHIFT 8 -#define PNG_WEIGHT_FACTOR (1<<(PNG_WEIGHT_SHIFT)) -#define PNG_COST_SHIFT 3 -#define PNG_COST_FACTOR (1<<(PNG_COST_SHIFT)) - -/* Flags for the png_ptr->flags rather than declaring a byte for each one */ -#define PNG_FLAG_ZLIB_CUSTOM_STRATEGY 0x0001 -#define PNG_FLAG_ZLIB_CUSTOM_LEVEL 0x0002 -#define PNG_FLAG_ZLIB_CUSTOM_MEM_LEVEL 0x0004 -#define PNG_FLAG_ZLIB_CUSTOM_WINDOW_BITS 0x0008 -#define PNG_FLAG_ZLIB_CUSTOM_METHOD 0x0010 -#define PNG_FLAG_ZLIB_FINISHED 0x0020 -#define PNG_FLAG_ROW_INIT 0x0040 -#define PNG_FLAG_FILLER_AFTER 0x0080 -#define PNG_FLAG_CRC_ANCILLARY_USE 0x0100 -#define PNG_FLAG_CRC_ANCILLARY_NOWARN 0x0200 -#define PNG_FLAG_CRC_CRITICAL_USE 0x0400 -#define PNG_FLAG_CRC_CRITICAL_IGNORE 0x0800 -#define PNG_FLAG_FREE_PLTE 0x1000 -#define PNG_FLAG_FREE_TRNS 0x2000 -#define PNG_FLAG_FREE_HIST 0x4000 -#define PNG_FLAG_KEEP_UNKNOWN_CHUNKS 0x8000L -#define PNG_FLAG_KEEP_UNSAFE_CHUNKS 0x10000L -#define PNG_FLAG_LIBRARY_MISMATCH 0x20000L -#define PNG_FLAG_STRIP_ERROR_NUMBERS 0x40000L -#define PNG_FLAG_STRIP_ERROR_TEXT 0x80000L -#define PNG_FLAG_MALLOC_NULL_MEM_OK 0x100000L -#define PNG_FLAG_ADD_ALPHA 0x200000L /* Added to libpng-1.2.8 */ -#define PNG_FLAG_STRIP_ALPHA 0x400000L /* Added to libpng-1.2.8 */ - /* 0x800000L unused */ - /* 0x1000000L unused */ - /* 0x2000000L unused */ - /* 0x4000000L unused */ - /* 0x8000000L unused */ - /* 0x10000000L unused */ - /* 0x20000000L unused */ - /* 0x40000000L unused */ - -#define PNG_FLAG_CRC_ANCILLARY_MASK (PNG_FLAG_CRC_ANCILLARY_USE | \ - PNG_FLAG_CRC_ANCILLARY_NOWARN) - -#define PNG_FLAG_CRC_CRITICAL_MASK (PNG_FLAG_CRC_CRITICAL_USE | \ - PNG_FLAG_CRC_CRITICAL_IGNORE) - -#define PNG_FLAG_CRC_MASK (PNG_FLAG_CRC_ANCILLARY_MASK | \ - PNG_FLAG_CRC_CRITICAL_MASK) - -/* Save typing and make code easier to understand */ - -#define PNG_COLOR_DIST(c1, c2) (abs((int)((c1).red) - (int)((c2).red)) + \ - abs((int)((c1).green) - (int)((c2).green)) + \ - abs((int)((c1).blue) - (int)((c2).blue))) - -/* Added to libpng-1.2.6 JB */ -#define PNG_ROWBYTES(pixel_bits, width) \ - ((pixel_bits) >= 8 ? \ - ((width) * (((png_uint_32)(pixel_bits)) >> 3)) : \ - (( ((width) * ((png_uint_32)(pixel_bits))) + 7) >> 3) ) - -/* PNG_OUT_OF_RANGE returns true if value is outside the range - * ideal-delta..ideal+delta. Each argument is evaluated twice. - * "ideal" and "delta" should be constants, normally simple - * integers, "value" a variable. Added to libpng-1.2.6 JB - */ -#define PNG_OUT_OF_RANGE(value, ideal, delta) \ - ( (value) < (ideal)-(delta) || (value) > (ideal)+(delta) ) - -/* Variables declared in png.c - only it needs to define PNG_NO_EXTERN */ -#if !defined(PNG_NO_EXTERN) || defined(PNG_ALWAYS_EXTERN) -/* Place to hold the signature string for a PNG file. */ -#ifdef PNG_USE_GLOBAL_ARRAYS - PNG_EXPORT_VAR (PNG_CONST png_byte FARDATA) png_sig[8]; -#else -#endif -#endif /* PNG_NO_EXTERN */ - -/* Constant strings for known chunk types. If you need to add a chunk, - * define the name here, and add an invocation of the macro in png.c and - * wherever it's needed. - */ -#define PNG_IHDR png_byte png_IHDR[5] = { 73, 72, 68, 82, '\0'} -#define PNG_IDAT png_byte png_IDAT[5] = { 73, 68, 65, 84, '\0'} -#define PNG_IEND png_byte png_IEND[5] = { 73, 69, 78, 68, '\0'} -#define PNG_PLTE png_byte png_PLTE[5] = { 80, 76, 84, 69, '\0'} -#define PNG_bKGD png_byte png_bKGD[5] = { 98, 75, 71, 68, '\0'} -#define PNG_cHRM png_byte png_cHRM[5] = { 99, 72, 82, 77, '\0'} -#define PNG_gAMA png_byte png_gAMA[5] = {103, 65, 77, 65, '\0'} -#define PNG_hIST png_byte png_hIST[5] = {104, 73, 83, 84, '\0'} -#define PNG_iCCP png_byte png_iCCP[5] = {105, 67, 67, 80, '\0'} -#define PNG_iTXt png_byte png_iTXt[5] = {105, 84, 88, 116, '\0'} -#define PNG_oFFs png_byte png_oFFs[5] = {111, 70, 70, 115, '\0'} -#define PNG_pCAL png_byte png_pCAL[5] = {112, 67, 65, 76, '\0'} -#define PNG_sCAL png_byte png_sCAL[5] = {115, 67, 65, 76, '\0'} -#define PNG_pHYs png_byte png_pHYs[5] = {112, 72, 89, 115, '\0'} -#define PNG_sBIT png_byte png_sBIT[5] = {115, 66, 73, 84, '\0'} -#define PNG_sPLT png_byte png_sPLT[5] = {115, 80, 76, 84, '\0'} -#define PNG_sRGB png_byte png_sRGB[5] = {115, 82, 71, 66, '\0'} -#define PNG_tEXt png_byte png_tEXt[5] = {116, 69, 88, 116, '\0'} -#define PNG_tIME png_byte png_tIME[5] = {116, 73, 77, 69, '\0'} -#define PNG_tRNS png_byte png_tRNS[5] = {116, 82, 78, 83, '\0'} -#define PNG_zTXt png_byte png_zTXt[5] = {122, 84, 88, 116, '\0'} - -#ifdef PNG_USE_GLOBAL_ARRAYS -PNG_EXPORT_VAR (png_byte FARDATA) png_IHDR[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_IDAT[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_IEND[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_PLTE[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_bKGD[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_cHRM[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_gAMA[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_hIST[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_iCCP[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_iTXt[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_oFFs[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_pCAL[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_sCAL[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_pHYs[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_sBIT[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_sPLT[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_sRGB[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_tEXt[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_tIME[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_tRNS[5]; -PNG_EXPORT_VAR (png_byte FARDATA) png_zTXt[5]; -#endif /* PNG_USE_GLOBAL_ARRAYS */ - -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* Initialize png_ptr struct for reading, and allocate any other memory. - * (old interface - DEPRECATED - use png_create_read_struct instead). - */ -extern PNG_EXPORT(void,png_read_init) PNGARG((png_structp png_ptr)) - PNG_DEPRECATED; -#undef png_read_init -#define png_read_init(png_ptr) png_read_init_3(&png_ptr, \ - PNG_LIBPNG_VER_STRING, png_sizeof(png_struct)); -#endif - -extern PNG_EXPORT(void,png_read_init_3) PNGARG((png_structpp ptr_ptr, - png_const_charp user_png_ver, png_size_t png_struct_size)); -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -extern PNG_EXPORT(void,png_read_init_2) PNGARG((png_structp png_ptr, - png_const_charp user_png_ver, png_size_t png_struct_size, png_size_t - png_info_size)); -#endif - -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* Initialize png_ptr struct for writing, and allocate any other memory. - * (old interface - DEPRECATED - use png_create_write_struct instead). - */ -extern PNG_EXPORT(void,png_write_init) PNGARG((png_structp png_ptr)) - PNG_DEPRECATED; -#undef png_write_init -#define png_write_init(png_ptr) png_write_init_3(&png_ptr, \ - PNG_LIBPNG_VER_STRING, png_sizeof(png_struct)); -#endif - -extern PNG_EXPORT(void,png_write_init_3) PNGARG((png_structpp ptr_ptr, - png_const_charp user_png_ver, png_size_t png_struct_size)); -extern PNG_EXPORT(void,png_write_init_2) PNGARG((png_structp png_ptr, - png_const_charp user_png_ver, png_size_t png_struct_size, png_size_t - png_info_size)); - -/* Allocate memory for an internal libpng struct */ -PNG_EXTERN png_voidp png_create_struct PNGARG((int type)) PNG_PRIVATE; - -/* Free memory from internal libpng struct */ -PNG_EXTERN void png_destroy_struct PNGARG((png_voidp struct_ptr)) PNG_PRIVATE; - -PNG_EXTERN png_voidp png_create_struct_2 PNGARG((int type, png_malloc_ptr - malloc_fn, png_voidp mem_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_destroy_struct_2 PNGARG((png_voidp struct_ptr, - png_free_ptr free_fn, png_voidp mem_ptr)) PNG_PRIVATE; - -/* Free any memory that info_ptr points to and reset struct. */ -PNG_EXTERN void png_info_destroy PNGARG((png_structp png_ptr, - png_infop info_ptr)) PNG_PRIVATE; - -#ifndef PNG_1_0_X -/* Function to allocate memory for zlib. */ -PNG_EXTERN voidpf png_zalloc PNGARG((voidpf png_ptr, uInt items, - uInt size)) PNG_PRIVATE; - -/* Function to free memory for zlib */ -PNG_EXTERN void png_zfree PNGARG((voidpf png_ptr, voidpf ptr)) PNG_PRIVATE; - -#ifdef PNG_SIZE_T -/* Function to convert a sizeof an item to png_sizeof item */ - PNG_EXTERN png_size_t PNGAPI png_convert_size PNGARG((size_t size)) - PNG_PRIVATE; -#endif - -/* Next four functions are used internally as callbacks. PNGAPI is required - * but not PNG_EXPORT. PNGAPI added at libpng version 1.2.3. - */ - -PNG_EXTERN void PNGAPI png_default_read_data PNGARG((png_structp png_ptr, - png_bytep data, png_size_t length)) PNG_PRIVATE; - -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -PNG_EXTERN void PNGAPI png_push_fill_buffer PNGARG((png_structp png_ptr, - png_bytep buffer, png_size_t length)) PNG_PRIVATE; -#endif - -PNG_EXTERN void PNGAPI png_default_write_data PNGARG((png_structp png_ptr, - png_bytep data, png_size_t length)) PNG_PRIVATE; - -#ifdef PNG_WRITE_FLUSH_SUPPORTED -#ifdef PNG_STDIO_SUPPORTED -PNG_EXTERN void PNGAPI png_default_flush PNGARG((png_structp png_ptr)) - PNG_PRIVATE; -#endif -#endif -#else /* PNG_1_0_X */ -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -PNG_EXTERN void png_push_fill_buffer PNGARG((png_structp png_ptr, - png_bytep buffer, png_size_t length)) PNG_PRIVATE; -#endif -#endif /* PNG_1_0_X */ - -/* Reset the CRC variable */ -PNG_EXTERN void png_reset_crc PNGARG((png_structp png_ptr)) PNG_PRIVATE; - -/* Write the "data" buffer to whatever output you are using. */ -PNG_EXTERN void png_write_data PNGARG((png_structp png_ptr, png_bytep data, - png_size_t length)) PNG_PRIVATE; - -/* Read data from whatever input you are using into the "data" buffer */ -PNG_EXTERN void png_read_data PNGARG((png_structp png_ptr, png_bytep data, - png_size_t length)) PNG_PRIVATE; - -/* Read bytes into buf, and update png_ptr->crc */ -PNG_EXTERN void png_crc_read PNGARG((png_structp png_ptr, png_bytep buf, - png_size_t length)) PNG_PRIVATE; - -/* Decompress data in a chunk that uses compression */ -#if defined(PNG_zTXt_SUPPORTED) || defined(PNG_iTXt_SUPPORTED) || \ - defined(PNG_iCCP_SUPPORTED) || defined(PNG_sPLT_SUPPORTED) -PNG_EXTERN void png_decompress_chunk PNGARG((png_structp png_ptr, - int comp_type, png_size_t chunklength, - png_size_t prefix_length, png_size_t *data_length)) PNG_PRIVATE; -#endif - -/* Read "skip" bytes, read the file crc, and (optionally) verify png_ptr->crc */ -PNG_EXTERN int png_crc_finish PNGARG((png_structp png_ptr, png_uint_32 skip) - PNG_PRIVATE); - -/* Read the CRC from the file and compare it to the libpng calculated CRC */ -PNG_EXTERN int png_crc_error PNGARG((png_structp png_ptr)) PNG_PRIVATE; - -/* Calculate the CRC over a section of data. Note that we are only - * passing a maximum of 64K on systems that have this as a memory limit, - * since this is the maximum buffer size we can specify. - */ -PNG_EXTERN void png_calculate_crc PNGARG((png_structp png_ptr, png_bytep ptr, - png_size_t length)) PNG_PRIVATE; - -#ifdef PNG_WRITE_FLUSH_SUPPORTED -PNG_EXTERN void png_flush PNGARG((png_structp png_ptr)) PNG_PRIVATE; -#endif - -/* Simple function to write the signature */ -PNG_EXTERN void png_write_sig PNGARG((png_structp png_ptr)) PNG_PRIVATE; - -/* Write various chunks */ - -/* Write the IHDR chunk, and update the png_struct with the necessary - * information. - */ -PNG_EXTERN void png_write_IHDR PNGARG((png_structp png_ptr, png_uint_32 width, - png_uint_32 height, - int bit_depth, int color_type, int compression_method, int filter_method, - int interlace_method)) PNG_PRIVATE; - -PNG_EXTERN void png_write_PLTE PNGARG((png_structp png_ptr, png_colorp palette, - png_uint_32 num_pal)) PNG_PRIVATE; - -PNG_EXTERN void png_write_IDAT PNGARG((png_structp png_ptr, png_bytep data, - png_size_t length)) PNG_PRIVATE; - -PNG_EXTERN void png_write_IEND PNGARG((png_structp png_ptr)) PNG_PRIVATE; - -#ifdef PNG_WRITE_gAMA_SUPPORTED -#ifdef PNG_FLOATING_POINT_SUPPORTED -PNG_EXTERN void png_write_gAMA PNGARG((png_structp png_ptr, double file_gamma)) - PNG_PRIVATE; -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED -PNG_EXTERN void png_write_gAMA_fixed PNGARG((png_structp png_ptr, - png_fixed_point file_gamma)) PNG_PRIVATE; -#endif -#endif - -#ifdef PNG_WRITE_sBIT_SUPPORTED -PNG_EXTERN void png_write_sBIT PNGARG((png_structp png_ptr, png_color_8p sbit, - int color_type)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_cHRM_SUPPORTED -#ifdef PNG_FLOATING_POINT_SUPPORTED -PNG_EXTERN void png_write_cHRM PNGARG((png_structp png_ptr, - double white_x, double white_y, - double red_x, double red_y, double green_x, double green_y, - double blue_x, double blue_y)) PNG_PRIVATE; -#endif -#ifdef PNG_FIXED_POINT_SUPPORTED -PNG_EXTERN void png_write_cHRM_fixed PNGARG((png_structp png_ptr, - png_fixed_point int_white_x, png_fixed_point int_white_y, - png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point - int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x, - png_fixed_point int_blue_y)) PNG_PRIVATE; -#endif -#endif - -#ifdef PNG_WRITE_sRGB_SUPPORTED -PNG_EXTERN void png_write_sRGB PNGARG((png_structp png_ptr, - int intent)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_iCCP_SUPPORTED -PNG_EXTERN void png_write_iCCP PNGARG((png_structp png_ptr, - png_charp name, int compression_type, - png_charp profile, int proflen)) PNG_PRIVATE; - /* Note to maintainer: profile should be png_bytep */ -#endif - -#ifdef PNG_WRITE_sPLT_SUPPORTED -PNG_EXTERN void png_write_sPLT PNGARG((png_structp png_ptr, - png_sPLT_tp palette)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_tRNS_SUPPORTED -PNG_EXTERN void png_write_tRNS PNGARG((png_structp png_ptr, png_bytep trans, - png_color_16p values, int number, int color_type)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_bKGD_SUPPORTED -PNG_EXTERN void png_write_bKGD PNGARG((png_structp png_ptr, - png_color_16p values, int color_type)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_hIST_SUPPORTED -PNG_EXTERN void png_write_hIST PNGARG((png_structp png_ptr, png_uint_16p hist, - int num_hist)) PNG_PRIVATE; -#endif - -#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_pCAL_SUPPORTED) || \ - defined(PNG_WRITE_iCCP_SUPPORTED) || defined(PNG_WRITE_sPLT_SUPPORTED) -PNG_EXTERN png_size_t png_check_keyword PNGARG((png_structp png_ptr, - png_charp key, png_charpp new_key)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_tEXt_SUPPORTED -PNG_EXTERN void png_write_tEXt PNGARG((png_structp png_ptr, png_charp key, - png_charp text, png_size_t text_len)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_zTXt_SUPPORTED -PNG_EXTERN void png_write_zTXt PNGARG((png_structp png_ptr, png_charp key, - png_charp text, png_size_t text_len, int compression)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_iTXt_SUPPORTED -PNG_EXTERN void png_write_iTXt PNGARG((png_structp png_ptr, - int compression, png_charp key, png_charp lang, png_charp lang_key, - png_charp text)) PNG_PRIVATE; -#endif - -#ifdef PNG_TEXT_SUPPORTED /* Added at version 1.0.14 and 1.2.4 */ -PNG_EXTERN int png_set_text_2 PNGARG((png_structp png_ptr, - png_infop info_ptr, png_textp text_ptr, int num_text)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_oFFs_SUPPORTED -PNG_EXTERN void png_write_oFFs PNGARG((png_structp png_ptr, - png_int_32 x_offset, png_int_32 y_offset, int unit_type)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_pCAL_SUPPORTED -PNG_EXTERN void png_write_pCAL PNGARG((png_structp png_ptr, png_charp purpose, - png_int_32 X0, png_int_32 X1, int type, int nparams, - png_charp units, png_charpp params)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_pHYs_SUPPORTED -PNG_EXTERN void png_write_pHYs PNGARG((png_structp png_ptr, - png_uint_32 x_pixels_per_unit, png_uint_32 y_pixels_per_unit, - int unit_type)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_tIME_SUPPORTED -PNG_EXTERN void png_write_tIME PNGARG((png_structp png_ptr, - png_timep mod_time)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_sCAL_SUPPORTED -#if defined(PNG_FLOATING_POINT_SUPPORTED) && !defined(PNG_NO_STDIO) -PNG_EXTERN void png_write_sCAL PNGARG((png_structp png_ptr, - int unit, double width, double height)) PNG_PRIVATE; -#else -#ifdef PNG_FIXED_POINT_SUPPORTED -PNG_EXTERN void png_write_sCAL_s PNGARG((png_structp png_ptr, - int unit, png_charp width, png_charp height)) PNG_PRIVATE; -#endif -#endif -#endif - -/* Called when finished processing a row of data */ -PNG_EXTERN void png_write_finish_row PNGARG((png_structp png_ptr)) PNG_PRIVATE; - -/* Internal use only. Called before first row of data */ -PNG_EXTERN void png_write_start_row PNGARG((png_structp png_ptr)) PNG_PRIVATE; - -#ifdef PNG_READ_GAMMA_SUPPORTED -PNG_EXTERN void png_build_gamma_table PNGARG((png_structp png_ptr)) PNG_PRIVATE; -#endif - -/* Combine a row of data, dealing with alpha, etc. if requested */ -PNG_EXTERN void png_combine_row PNGARG((png_structp png_ptr, png_bytep row, - int mask)) PNG_PRIVATE; - -#ifdef PNG_READ_INTERLACING_SUPPORTED -/* Expand an interlaced row */ -/* OLD pre-1.0.9 interface: -PNG_EXTERN void png_do_read_interlace PNGARG((png_row_infop row_info, - png_bytep row, int pass, png_uint_32 transformations)) PNG_PRIVATE; - */ -PNG_EXTERN void png_do_read_interlace PNGARG((png_structp png_ptr)) PNG_PRIVATE; -#endif - -/* GRR TO DO (2.0 or whenever): simplify other internal calling interfaces */ - -#ifdef PNG_WRITE_INTERLACING_SUPPORTED -/* Grab pixels out of a row for an interlaced pass */ -PNG_EXTERN void png_do_write_interlace PNGARG((png_row_infop row_info, - png_bytep row, int pass)) PNG_PRIVATE; -#endif - -/* Unfilter a row */ -PNG_EXTERN void png_read_filter_row PNGARG((png_structp png_ptr, - png_row_infop row_info, png_bytep row, png_bytep prev_row, - int filter)) PNG_PRIVATE; - -/* Choose the best filter to use and filter the row data */ -PNG_EXTERN void png_write_find_filter PNGARG((png_structp png_ptr, - png_row_infop row_info)) PNG_PRIVATE; - -/* Write out the filtered row. */ -PNG_EXTERN void png_write_filtered_row PNGARG((png_structp png_ptr, - png_bytep filtered_row)) PNG_PRIVATE; -/* Finish a row while reading, dealing with interlacing passes, etc. */ -PNG_EXTERN void png_read_finish_row PNGARG((png_structp png_ptr)); - -/* Initialize the row buffers, etc. */ -PNG_EXTERN void png_read_start_row PNGARG((png_structp png_ptr)) PNG_PRIVATE; -/* Optional call to update the users info structure */ -PNG_EXTERN void png_read_transform_info PNGARG((png_structp png_ptr, - png_infop info_ptr)) PNG_PRIVATE; - -/* These are the functions that do the transformations */ -#ifdef PNG_READ_FILLER_SUPPORTED -PNG_EXTERN void png_do_read_filler PNGARG((png_row_infop row_info, - png_bytep row, png_uint_32 filler, png_uint_32 flags)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_SWAP_ALPHA_SUPPORTED -PNG_EXTERN void png_do_read_swap_alpha PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_SWAP_ALPHA_SUPPORTED -PNG_EXTERN void png_do_write_swap_alpha PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_INVERT_ALPHA_SUPPORTED -PNG_EXTERN void png_do_read_invert_alpha PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_INVERT_ALPHA_SUPPORTED -PNG_EXTERN void png_do_write_invert_alpha PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -#endif - -#if defined(PNG_WRITE_FILLER_SUPPORTED) || \ - defined(PNG_READ_STRIP_ALPHA_SUPPORTED) -PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info, - png_bytep row, png_uint_32 flags)) PNG_PRIVATE; -#endif - -#if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED) -PNG_EXTERN void png_do_swap PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -#endif - -#if defined(PNG_READ_PACKSWAP_SUPPORTED) || defined(PNG_WRITE_PACKSWAP_SUPPORTED) -PNG_EXTERN void png_do_packswap PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED -PNG_EXTERN int png_do_rgb_to_gray PNGARG((png_structp png_ptr, png_row_infop - row_info, png_bytep row)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED -PNG_EXTERN void png_do_gray_to_rgb PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_PACK_SUPPORTED -PNG_EXTERN void png_do_unpack PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_SHIFT_SUPPORTED -PNG_EXTERN void png_do_unshift PNGARG((png_row_infop row_info, png_bytep row, - png_color_8p sig_bits)) PNG_PRIVATE; -#endif - -#if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED) -PNG_EXTERN void png_do_invert PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_16_TO_8_SUPPORTED -PNG_EXTERN void png_do_chop PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_DITHER_SUPPORTED -PNG_EXTERN void png_do_dither PNGARG((png_row_infop row_info, - png_bytep row, png_bytep palette_lookup, - png_bytep dither_lookup)) PNG_PRIVATE; - -# ifdef PNG_CORRECT_PALETTE_SUPPORTED -PNG_EXTERN void png_correct_palette PNGARG((png_structp png_ptr, - png_colorp palette, int num_palette)) PNG_PRIVATE; -# endif -#endif - -#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) -PNG_EXTERN void png_do_bgr PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_PACK_SUPPORTED -PNG_EXTERN void png_do_pack PNGARG((png_row_infop row_info, - png_bytep row, png_uint_32 bit_depth)) PNG_PRIVATE; -#endif - -#ifdef PNG_WRITE_SHIFT_SUPPORTED -PNG_EXTERN void png_do_shift PNGARG((png_row_infop row_info, png_bytep row, - png_color_8p bit_depth)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_BACKGROUND_SUPPORTED -#ifdef PNG_READ_GAMMA_SUPPORTED -PNG_EXTERN void png_do_background PNGARG((png_row_infop row_info, png_bytep row, - png_color_16p trans_values, png_color_16p background, - png_color_16p background_1, - png_bytep gamma_table, png_bytep gamma_from_1, png_bytep gamma_to_1, - png_uint_16pp gamma_16, png_uint_16pp gamma_16_from_1, - png_uint_16pp gamma_16_to_1, int gamma_shift)) PNG_PRIVATE; -#else -PNG_EXTERN void png_do_background PNGARG((png_row_infop row_info, png_bytep row, - png_color_16p trans_values, png_color_16p background)) PNG_PRIVATE; -#endif -#endif - -#ifdef PNG_READ_GAMMA_SUPPORTED -PNG_EXTERN void png_do_gamma PNGARG((png_row_infop row_info, png_bytep row, - png_bytep gamma_table, png_uint_16pp gamma_16_table, - int gamma_shift)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_EXPAND_SUPPORTED -PNG_EXTERN void png_do_expand_palette PNGARG((png_row_infop row_info, - png_bytep row, png_colorp palette, png_bytep trans, - int num_trans)) PNG_PRIVATE; -PNG_EXTERN void png_do_expand PNGARG((png_row_infop row_info, - png_bytep row, png_color_16p trans_value)) PNG_PRIVATE; -#endif - -/* The following decodes the appropriate chunks, and does error correction, - * then calls the appropriate callback for the chunk if it is valid. - */ - -/* Decode the IHDR chunk */ -PNG_EXTERN void png_handle_IHDR PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -PNG_EXTERN void png_handle_PLTE PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -PNG_EXTERN void png_handle_IEND PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); - -#ifdef PNG_READ_bKGD_SUPPORTED -PNG_EXTERN void png_handle_bKGD PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_cHRM_SUPPORTED -PNG_EXTERN void png_handle_cHRM PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_gAMA_SUPPORTED -PNG_EXTERN void png_handle_gAMA PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_hIST_SUPPORTED -PNG_EXTERN void png_handle_hIST PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_iCCP_SUPPORTED -extern void png_handle_iCCP PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)); -#endif /* PNG_READ_iCCP_SUPPORTED */ - -#ifdef PNG_READ_iTXt_SUPPORTED -PNG_EXTERN void png_handle_iTXt PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_oFFs_SUPPORTED -PNG_EXTERN void png_handle_oFFs PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_pCAL_SUPPORTED -PNG_EXTERN void png_handle_pCAL PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_pHYs_SUPPORTED -PNG_EXTERN void png_handle_pHYs PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_sBIT_SUPPORTED -PNG_EXTERN void png_handle_sBIT PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_sCAL_SUPPORTED -PNG_EXTERN void png_handle_sCAL PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_sPLT_SUPPORTED -extern void png_handle_sPLT PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif /* PNG_READ_sPLT_SUPPORTED */ - -#ifdef PNG_READ_sRGB_SUPPORTED -PNG_EXTERN void png_handle_sRGB PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_tEXt_SUPPORTED -PNG_EXTERN void png_handle_tEXt PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_tIME_SUPPORTED -PNG_EXTERN void png_handle_tIME PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_tRNS_SUPPORTED -PNG_EXTERN void png_handle_tRNS PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -#ifdef PNG_READ_zTXt_SUPPORTED -PNG_EXTERN void png_handle_zTXt PNGARG((png_structp png_ptr, png_infop info_ptr, - png_uint_32 length)) PNG_PRIVATE; -#endif - -PNG_EXTERN void png_handle_unknown PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 length)) PNG_PRIVATE; - -PNG_EXTERN void png_check_chunk_name PNGARG((png_structp png_ptr, - png_bytep chunk_name)) PNG_PRIVATE; - -/* Handle the transformations for reading and writing */ -PNG_EXTERN void png_do_read_transformations - PNGARG((png_structp png_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_do_write_transformations - PNGARG((png_structp png_ptr)) PNG_PRIVATE; - -PNG_EXTERN void png_init_read_transformations - PNGARG((png_structp png_ptr)) PNG_PRIVATE; - -#ifdef PNG_PROGRESSIVE_READ_SUPPORTED -PNG_EXTERN void png_push_read_chunk PNGARG((png_structp png_ptr, - png_infop info_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_push_read_sig PNGARG((png_structp png_ptr, - png_infop info_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_push_check_crc PNGARG((png_structp png_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_push_crc_skip PNGARG((png_structp png_ptr, - png_uint_32 length)) PNG_PRIVATE; -PNG_EXTERN void png_push_crc_finish PNGARG((png_structp png_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_push_save_buffer PNGARG((png_structp png_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_push_restore_buffer PNGARG((png_structp png_ptr, - png_bytep buffer, png_size_t buffer_length)) PNG_PRIVATE; -PNG_EXTERN void png_push_read_IDAT PNGARG((png_structp png_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_process_IDAT_data PNGARG((png_structp png_ptr, - png_bytep buffer, png_size_t buffer_length)) PNG_PRIVATE; -PNG_EXTERN void png_push_process_row PNGARG((png_structp png_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_push_handle_unknown PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 length)) PNG_PRIVATE; -PNG_EXTERN void png_push_have_info PNGARG((png_structp png_ptr, - png_infop info_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_push_have_end PNGARG((png_structp png_ptr, - png_infop info_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_push_have_row PNGARG((png_structp png_ptr, - png_bytep row)) PNG_PRIVATE; -PNG_EXTERN void png_push_read_end PNGARG((png_structp png_ptr, - png_infop info_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_process_some_data PNGARG((png_structp png_ptr, - png_infop info_ptr)) PNG_PRIVATE; -PNG_EXTERN void png_read_push_finish_row - PNGARG((png_structp png_ptr)) PNG_PRIVATE; -#ifdef PNG_READ_tEXt_SUPPORTED -PNG_EXTERN void png_push_handle_tEXt PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 length)) PNG_PRIVATE; -PNG_EXTERN void png_push_read_tEXt PNGARG((png_structp png_ptr, - png_infop info_ptr)) PNG_PRIVATE; -#endif -#ifdef PNG_READ_zTXt_SUPPORTED -PNG_EXTERN void png_push_handle_zTXt PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 length)) PNG_PRIVATE; -PNG_EXTERN void png_push_read_zTXt PNGARG((png_structp png_ptr, - png_infop info_ptr)) PNG_PRIVATE; -#endif -#ifdef PNG_READ_iTXt_SUPPORTED -PNG_EXTERN void png_push_handle_iTXt PNGARG((png_structp png_ptr, - png_infop info_ptr, png_uint_32 length)) PNG_PRIVATE; -PNG_EXTERN void png_push_read_iTXt PNGARG((png_structp png_ptr, - png_infop info_ptr)) PNG_PRIVATE; -#endif - -#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ - -#ifdef PNG_MNG_FEATURES_SUPPORTED -PNG_EXTERN void png_do_read_intrapixel PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -PNG_EXTERN void png_do_write_intrapixel PNGARG((png_row_infop row_info, - png_bytep row)) PNG_PRIVATE; -#endif - -#ifdef PNG_ASSEMBLER_CODE_SUPPORTED -#ifdef PNG_MMX_CODE_SUPPORTED -/* png.c */ /* PRIVATE */ -PNG_EXTERN void png_init_mmx_flags PNGARG((png_structp png_ptr)) PNG_PRIVATE; -#endif -#endif - - -/* The following six functions will be exported in libpng-1.4.0. */ -#if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED) -PNG_EXTERN png_uint_32 png_get_pixels_per_inch PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -PNG_EXTERN png_uint_32 png_get_x_pixels_per_inch PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -PNG_EXTERN png_uint_32 png_get_y_pixels_per_inch PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -PNG_EXTERN float png_get_x_offset_inches PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -PNG_EXTERN float png_get_y_offset_inches PNGARG((png_structp png_ptr, -png_infop info_ptr)); - -#ifdef PNG_pHYs_SUPPORTED -PNG_EXTERN png_uint_32 png_get_pHYs_dpi PNGARG((png_structp png_ptr, -png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type)); -#endif /* PNG_pHYs_SUPPORTED */ -#endif /* PNG_INCH_CONVERSIONS && PNG_FLOATING_POINT_SUPPORTED */ - -/* Read the chunk header (length + type name) */ -PNG_EXTERN png_uint_32 png_read_chunk_header - PNGARG((png_structp png_ptr)) PNG_PRIVATE; - -/* Added at libpng version 1.2.34 */ -#ifdef PNG_cHRM_SUPPORTED -PNG_EXTERN int png_check_cHRM_fixed PNGARG((png_structp png_ptr, - png_fixed_point int_white_x, png_fixed_point int_white_y, - png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point - int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x, - png_fixed_point int_blue_y)) PNG_PRIVATE; -#endif - -#ifdef PNG_cHRM_SUPPORTED -#ifdef PNG_CHECK_cHRM_SUPPORTED -/* Added at libpng version 1.2.34 */ -PNG_EXTERN void png_64bit_product PNGARG((long v1, long v2, - unsigned long *hi_product, unsigned long *lo_product)) PNG_PRIVATE; -#endif -#endif - -/* Added at libpng version 1.2.41 */ -PNG_EXTERN void png_check_IHDR PNGARG((png_structp png_ptr, - png_uint_32 width, png_uint_32 height, int bit_depth, - int color_type, int interlace_type, int compression_type, - int filter_type)) PNG_PRIVATE; - -/* Added at libpng version 1.2.41 */ -PNG_EXTERN png_voidp png_calloc PNGARG((png_structp png_ptr, - png_uint_32 size)); - -/* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */ - -#endif /* PNG_INTERNAL */ #ifdef __cplusplus } #endif diff -ru4NwbB libpng-1.2.41beta18/pngconf.h libpng-1.4.0beta98/pngconf.h --- libpng-1.2.41beta18/pngconf.h 2009-11-11 15:01:32.621398411 -0600 +++ libpng-1.4.0beta98/pngconf.h 2009-11-13 05:18:10.378899602 -0600 @@ -1,15 +1,17 @@ /* pngconf.h - machine configurable file for libpng * * libpng version 1.4.0beta98 - November 13, 2009 + * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * * This code is released under the libpng license. * For conditions of distribution and use, see the disclaimer * and license in png.h + * */ /* Any machine specific code is near the front of this file, so if you * are configuring libpng for a machine, you may want to read the section @@ -19,11 +21,24 @@ #ifndef PNGCONF_H #define PNGCONF_H -#define PNG_1_2_X +#ifndef PNG_NO_LIMITS_H +# include +#endif + +/* Added at libpng-1.2.9 */ + +/* config.h is created by and PNG_CONFIGURE_LIBPNG is set by the "configure" script. */ +#ifdef PNG_CONFIGURE_LIBPNG +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif +#endif /* + * Added at libpng-1.2.8 + * * PNG_USER_CONFIG has to be defined on the compiler command line. This * includes the resource compiler for Windows DLL configurations. */ #ifdef PNG_USER_CONFIG @@ -32,18 +47,9 @@ # endif #include "pngusr.h" #endif -/* PNG_CONFIGURE_LIBPNG is set by the "configure" script. */ -#ifdef PNG_CONFIGURE_LIBPNG -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#endif - /* - * Added at libpng-1.2.8 - * * If you create a private DLL you need to define in "pngusr.h" the followings: * #define PNG_USER_PRIVATEBUILD * e.g. #define PNG_USER_PRIVATEBUILD "Build by MyCompany for xyz reasons." @@ -73,19 +79,11 @@ # define PNG_USER_PRIVATEBUILD PRIVATEBUILD #endif #endif /* __STDC__ */ -#ifndef PNG_VERSION_INFO_ONLY - /* End of material added to libpng-1.2.8 */ -/* Added at libpng-1.2.19, removed at libpng-1.2.20 because it caused trouble - Restored at libpng-1.2.21 */ -#if !defined(PNG_NO_WARN_UNINITIALIZED_ROW) && \ - !defined(PNG_WARN_UNINITIALIZED_ROW) -# define PNG_WARN_UNINITIALIZED_ROW 1 -#endif -/* End of material added at libpng-1.2.19/1.2.21 */ +#ifndef PNG_VERSION_INFO_ONLY /* This is the size of the compression buffer, and thus the size of * an IDAT chunk. Make this whatever size you feel is best for your * machine. One of these will be allocated per png_struct. When this @@ -114,9 +112,9 @@ #ifndef PNG_NO_WRITE_SUPPORTED # define PNG_WRITE_SUPPORTED #endif -/* Enabled in 1.2.41. */ +/* Enabled in 1.4.0. */ #ifdef PNG_ALLOW_BENIGN_ERRORS # define png_benign_error png_warning # define png_chunk_benign_error png_chunk_warning #else @@ -125,9 +123,9 @@ # define png_chunk_benign_error png_chunk_error # endif #endif -/* Added in libpng-1.2.41 */ +/* Added at libpng version 1.4.0 */ #if !defined(PNG_NO_WARNINGS) && !defined(PNG_WARNINGS_SUPPORTED) # define PNG_WARNINGS_SUPPORTED #endif @@ -139,22 +137,27 @@ # define PNG_CHECK_cHRM_SUPPORTED #endif /* Enabled by default in 1.2.0. You can disable this if you don't need to - * support PNGs that are embedded in MNG datastreams - */ -#if !defined(PNG_1_0_X) && !defined(PNG_NO_MNG_FEATURES) + support PNGs that are embedded in MNG datastreams */ +#ifndef PNG_NO_MNG_FEATURES # ifndef PNG_MNG_FEATURES_SUPPORTED # define PNG_MNG_FEATURES_SUPPORTED # endif #endif +/* Added at libpng version 1.4.0 */ #ifndef PNG_NO_FLOATING_POINT_SUPPORTED # ifndef PNG_FLOATING_POINT_SUPPORTED # define PNG_FLOATING_POINT_SUPPORTED # endif #endif +/* Added at libpng-1.4.0beta49 for testing (this test is no longer used + in libpng and png_calloc() is always present) + */ +#define PNG_CALLOC_SUPPORTED + /* If you are running on a machine where you cannot allocate more * than 64K of memory at once, uncomment this. While libpng will not * normally need that much memory in a chunk (unless you load up a very * large file), zlib needs to know how big of a chunk it can use, and @@ -196,9 +199,9 @@ * __declspec(dllexport) / __declspec(dllimport) and friends. Therefore, * we don't need to worry about PNG_STATIC or ALL_STATIC when it comes * to __declspec() stuff. However, we DO need to worry about * PNG_BUILD_DLL and PNG_STATIC because those change some defaults - * such as CONSOLE_IO and whether GLOBAL_ARRAYS are allowed. + * such as CONSOLE_IO. */ #ifdef __CYGWIN__ # ifdef ALL_STATIC # ifdef PNG_BUILD_DLL @@ -260,26 +263,14 @@ #if !defined(PNG_NO_STDIO) && !defined(PNG_STDIO_SUPPORTED) # define PNG_STDIO_SUPPORTED #endif -#ifdef _WIN32_WCE -# include - /* Console I/O functions are not supported on WindowsCE */ -# define PNG_NO_CONSOLE_IO - /* abort() may not be supported on some/all Windows CE platforms */ -# define PNG_ABORT() exit(-1) -# ifdef PNG_DEBUG -# undef PNG_DEBUG -# endif -#endif #ifdef PNG_BUILD_DLL -# ifndef PNG_CONSOLE_IO_SUPPORTED -# ifndef PNG_NO_CONSOLE_IO +# if !defined(PNG_CONSOLE_IO_SUPPORTED) && !defined(PNG_NO_CONSOLE_IO) # define PNG_NO_CONSOLE_IO # endif # endif -#endif # ifdef PNG_NO_STDIO # ifndef PNG_NO_CONSOLE_IO # define PNG_NO_CONSOLE_IO @@ -289,13 +280,10 @@ # include # endif # endif # else -# ifndef _WIN32_WCE -/* "stdio.h" functions are not supported on WindowsCE */ # include # endif -# endif #if !(defined PNG_NO_CONSOLE_IO) && !defined(PNG_CONSOLE_IO_SUPPORTED) # define PNG_CONSOLE_IO_SUPPORTED #endif @@ -314,11 +302,8 @@ #else #ifdef _NO_PROTO # define PNGARG(arglist) () -# ifndef PNG_TYPECAST_NULL -# define PNG_TYPECAST_NULL -# endif #else # define PNGARG(arglist) arglist #endif /* _NO_PROTO */ @@ -337,14 +321,16 @@ # define MACOS # endif #endif -/* enough people need this for various reasons to include it here */ -#if !defined(MACOS) && !defined(RISCOS) && !defined(_WIN32_WCE) +/* Enough people need this for various reasons to include it here */ +#if !defined(MACOS) && !defined(RISCOS) # include #endif -#if !defined(PNG_SETJMP_NOT_SUPPORTED) && !defined(PNG_NO_SETJMP_SUPPORTED) +/* PNG_SETJMP_NOT_SUPPORTED and PNG_NO_SETJMP_SUPPORTED are deprecated. */ +#if !defined(PNG_NO_SETJMP) && \ + !defined(PNG_SETJMP_NOT_SUPPORTED) && !defined(PNG_NO_SETJMP_SUPPORTED) # define PNG_SETJMP_SUPPORTED #endif #ifdef PNG_SETJMP_SUPPORTED @@ -373,16 +359,17 @@ # endif # endif /* __linux__ */ # endif /* PNG_SKIP_SETJMP_CHECK */ - /* include setjmp.h for error handling */ + /* Include setjmp.h for error handling */ # include # ifdef __linux__ # ifdef PNG_SAVE_BSD_SOURCE -# ifndef _BSD_SOURCE -# define _BSD_SOURCE +# ifdef _BSD_SOURCE +# undef _BSD_SOURCE # endif +# define _BSD_SOURCE # undef PNG_SAVE_BSD_SOURCE # endif # endif /* __linux__ */ #endif /* PNG_SETJMP_SUPPORTED */ @@ -393,61 +380,8 @@ # include #endif /* Other defines for things like memory and the like can go here. */ -#ifdef PNG_INTERNAL - -#include - -/* The functions exported by PNG_EXTERN are PNG_INTERNAL functions, which - * aren't usually used outside the library (as far as I know), so it is - * debatable if they should be exported at all. In the future, when it is - * possible to have run-time registry of chunk-handling functions, some of - * these will be made available again. -#define PNG_EXTERN extern - */ -#define PNG_EXTERN - -/* Other defines specific to compilers can go here. Try to keep - * them inside an appropriate ifdef/endif pair for portability. - */ - -#ifdef PNG_FLOATING_POINT_SUPPORTED -# ifdef MACOS - /* We need to check that hasn't already been included earlier - * as it seems it doesn't agree with , yet we should really use - * if possible. - */ -# if !defined(__MATH_H__) && !defined(__MATH_H) && !defined(__cmath__) -# include -# endif -# else -# include -# endif -# if defined(_AMIGA) && defined(__SASC) && defined(_M68881) - /* Amiga SAS/C: We must include builtin FPU functions when compiling using - * MATH=68881 - */ -# include -# endif -#endif - -/* Codewarrior on NT has linking problems without this. */ -#if (defined(__MWERKS__) && defined(WIN32)) || defined(__STDC__) -# define PNG_ALWAYS_EXTERN -#endif - -/* This provides the non-ANSI (far) memory allocation routines. */ -#if defined(__TURBOC__) && defined(__MSDOS__) -# include -# include -#endif - -/* I have no idea why is this necessary... */ -#if defined(_MSC_VER) && (defined(WIN32) || defined(_Windows) || \ - defined(_WINDOWS) || defined(_WIN32) || defined(__WIN32__)) -# include -#endif /* This controls how fine the dithering gets. As this allocates * a largish chunk of memory (32K), those who are not as concerned * with dithering quality can decrease some or all of these. @@ -479,10 +413,8 @@ #ifndef PNG_GAMMA_THRESHOLD # define PNG_GAMMA_THRESHOLD 0.05 #endif -#endif /* PNG_INTERNAL */ - /* The following uses const char * instead of char * for error * and warning message functions, so some compilers won't complain. * If you do not want to use const, define PNG_NO_CONST here. */ @@ -509,87 +441,27 @@ /* Any features you will not be using can be undef'ed here */ /* GR-P, 0.96a: Set "*TRANSFORMS_SUPPORTED as default but allow user - * to turn it off with "*TRANSFORMS_NOT_SUPPORTED" or *PNG_NO_*_TRANSFORMS - * on the compile line, then pick and choose which ones to define without - * having to edit this file. It is safe to use the *TRANSFORMS_NOT_SUPPORTED + * to turn it off with PNG_NO_READ|WRITE_TRANSFORMS on the compile line, + * then pick and choose which ones to define without having to edit this + * file. It is safe to use the PNG_NO_READ|WRITE_TRANSFORMS * if you only want to have a png-compliant reader/writer but don't need * any of the extra transformations. This saves about 80 kbytes in a * typical installation of the library. (PNG_NO_* form added in version - * 1.0.1c, for consistency) - */ - -/* The size of the png_text structure changed in libpng-1.0.6 when - * iTXt support was added. iTXt support was turned off by default through - * libpng-1.2.x, to support old apps that malloc the png_text structure - * instead of calling png_set_text() and letting libpng malloc it. It - * will be turned on by default in libpng-1.4.0. + * 1.0.1c, for consistency; PNG_*_TRANSFORMS_NOT_SUPPORTED deprecated in + * 1.4.0) */ -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -# ifndef PNG_NO_iTXt_SUPPORTED -# define PNG_NO_iTXt_SUPPORTED -# endif -# ifndef PNG_NO_READ_iTXt -# define PNG_NO_READ_iTXt -# endif -# ifndef PNG_NO_WRITE_iTXt -# define PNG_NO_WRITE_iTXt -# endif -#endif - -#if !defined(PNG_NO_iTXt_SUPPORTED) -# if !defined(PNG_READ_iTXt_SUPPORTED) && !defined(PNG_NO_READ_iTXt) -# define PNG_READ_iTXt -# endif -# if !defined(PNG_WRITE_iTXt_SUPPORTED) && !defined(PNG_NO_WRITE_iTXt) -# define PNG_WRITE_iTXt -# endif -#endif - -/* The following support, added after version 1.0.0, can be turned off here en - * masse by defining PNG_LEGACY_SUPPORTED in case you need binary compatibility - * with old applications that require the length of png_struct and png_info - * to remain unchanged. - */ - -#ifdef PNG_LEGACY_SUPPORTED -# define PNG_NO_FREE_ME -# define PNG_NO_READ_UNKNOWN_CHUNKS -# define PNG_NO_WRITE_UNKNOWN_CHUNKS -# define PNG_NO_HANDLE_AS_UNKNOWN -# define PNG_NO_READ_USER_CHUNKS -# define PNG_NO_READ_iCCP -# define PNG_NO_WRITE_iCCP -# define PNG_NO_READ_iTXt -# define PNG_NO_WRITE_iTXt -# define PNG_NO_READ_sCAL -# define PNG_NO_WRITE_sCAL -# define PNG_NO_READ_sPLT -# define PNG_NO_WRITE_sPLT -# define PNG_NO_INFO_IMAGE -# define PNG_NO_READ_RGB_TO_GRAY -# define PNG_NO_READ_USER_TRANSFORM -# define PNG_NO_WRITE_USER_TRANSFORM -# define PNG_NO_USER_MEM -# define PNG_NO_READ_EMPTY_PLTE -# define PNG_NO_MNG_FEATURES -# define PNG_NO_FIXED_POINT_SUPPORTED -#endif - /* Ignore attempt to turn off both floating and fixed point support */ #if !defined(PNG_FLOATING_POINT_SUPPORTED) || \ !defined(PNG_NO_FIXED_POINT_SUPPORTED) # define PNG_FIXED_POINT_SUPPORTED #endif -#ifndef PNG_NO_FREE_ME -# define PNG_FREE_ME_SUPPORTED -#endif - #ifdef PNG_READ_SUPPORTED +/* PNG_READ_TRANSFORMS_NOT_SUPPORTED is deprecated. */ #if !defined(PNG_READ_TRANSFORMS_NOT_SUPPORTED) && \ !defined(PNG_NO_READ_TRANSFORMS) # define PNG_READ_TRANSFORMS_SUPPORTED #endif @@ -615,36 +487,37 @@ # endif # ifndef PNG_NO_READ_INVERT # define PNG_READ_INVERT_SUPPORTED # endif +#if 0 /* removed from libpng-1.4.0 */ # ifndef PNG_NO_READ_DITHER # define PNG_READ_DITHER_SUPPORTED # endif +#endif /* 0 */ # ifndef PNG_NO_READ_BACKGROUND # define PNG_READ_BACKGROUND_SUPPORTED # endif -#ifndef PNG_1_0_X # ifndef PNG_NO_READ_16_TO_8 # define PNG_READ_16_TO_8_SUPPORTED # endif -#endif # ifndef PNG_NO_READ_FILLER # define PNG_READ_FILLER_SUPPORTED # endif # ifndef PNG_NO_READ_GAMMA # define PNG_READ_GAMMA_SUPPORTED # endif -#ifndef PNG_1_0_X # ifndef PNG_NO_READ_GRAY_TO_RGB # define PNG_READ_GRAY_TO_RGB_SUPPORTED # endif -#endif # ifndef PNG_NO_READ_SWAP_ALPHA # define PNG_READ_SWAP_ALPHA_SUPPORTED # endif # ifndef PNG_NO_READ_INVERT_ALPHA # define PNG_READ_INVERT_ALPHA_SUPPORTED # endif +# ifndef PNG_NO_READ_PREMULTIPLY_ALPHA +# define PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED +# endif # ifndef PNG_NO_READ_STRIP_ALPHA # define PNG_READ_STRIP_ALPHA_SUPPORTED # endif # ifndef PNG_NO_READ_USER_TRANSFORM @@ -669,28 +543,26 @@ !defined(PNG_NO_SEQUENTIAL_READ_SUPPORTED) # define PNG_SEQUENTIAL_READ_SUPPORTED #endif -#define PNG_READ_INTERLACING_SUPPORTED /* required in PNG-compliant decoders */ - #ifndef PNG_NO_READ_COMPOSITE_NODIV # ifndef PNG_NO_READ_COMPOSITED_NODIV /* libpng-1.0.x misspelling */ # define PNG_READ_COMPOSITE_NODIV_SUPPORTED /* well tested on Intel, SGI */ # endif #endif -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* Deprecated, will be removed from version 2.0.0. - Use PNG_MNG_FEATURES_SUPPORTED instead. */ -#ifndef PNG_NO_READ_EMPTY_PLTE -# define PNG_READ_EMPTY_PLTE_SUPPORTED +#if !defined(PNG_NO_GET_INT_32) || defined(PNG_READ_oFFS_SUPPORTED) || \ + defined(PNG_READ_pCAL_SUPPORTED) +# ifndef PNG_GET_INT_32_SUPPORTED +# define PNG_GET_INT_32_SUPPORTED #endif #endif #endif /* PNG_READ_SUPPORTED */ #ifdef PNG_WRITE_SUPPORTED +/* PNG_WRITE_TRANSFORMS_NOT_SUPPORTED is deprecated. */ # if !defined(PNG_WRITE_TRANSFORMS_NOT_SUPPORTED) && \ !defined(PNG_NO_WRITE_TRANSFORMS) # define PNG_WRITE_TRANSFORMS_SUPPORTED #endif @@ -719,23 +591,22 @@ # endif # ifndef PNG_NO_WRITE_SWAP_ALPHA # define PNG_WRITE_SWAP_ALPHA_SUPPORTED # endif -#ifndef PNG_1_0_X # ifndef PNG_NO_WRITE_INVERT_ALPHA # define PNG_WRITE_INVERT_ALPHA_SUPPORTED # endif -#endif # ifndef PNG_NO_WRITE_USER_TRANSFORM # define PNG_WRITE_USER_TRANSFORM_SUPPORTED # endif #endif /* PNG_WRITE_TRANSFORMS_SUPPORTED */ #if !defined(PNG_NO_WRITE_INTERLACING_SUPPORTED) && \ !defined(PNG_WRITE_INTERLACING_SUPPORTED) -#define PNG_WRITE_INTERLACING_SUPPORTED /* not required for PNG-compliant - encoders, but can cause trouble - if left undefined */ + /* This is not required for PNG-compliant encoders, but can cause + * trouble if left undefined + */ +# define PNG_WRITE_INTERLACING_SUPPORTED #endif #if !defined(PNG_NO_WRITE_WEIGHTED_FILTER) && \ !defined(PNG_WRITE_WEIGHTED_FILTER) && \ @@ -746,32 +617,27 @@ #ifndef PNG_NO_WRITE_FLUSH # define PNG_WRITE_FLUSH_SUPPORTED #endif -#if defined(PNG_1_0_X) || defined (PNG_1_2_X) -/* Deprecated, see PNG_MNG_FEATURES_SUPPORTED, above */ -#ifndef PNG_NO_WRITE_EMPTY_PLTE -# define PNG_WRITE_EMPTY_PLTE_SUPPORTED +#if !defined(PNG_NO_SAVE_INT_32) || defined(PNG_WRITE_oFFS_SUPPORTED) || \ + defined(PNG_WRITE_pCAL_SUPPORTED) +# ifndef PNG_SAVE_INT_32_SUPPORTED +# define PNG_SAVE_INT_32_SUPPORTED #endif #endif #endif /* PNG_WRITE_SUPPORTED */ #define PNG_NO_ERROR_NUMBERS -#ifndef PNG_1_0_X -# ifndef PNG_NO_ERROR_NUMBERS -# define PNG_ERROR_NUMBERS_SUPPORTED -# endif -#endif /* PNG_1_0_X */ #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) # ifndef PNG_NO_USER_TRANSFORM_PTR # define PNG_USER_TRANSFORM_PTR_SUPPORTED # endif #endif -#ifndef PNG_NO_STDIO +#if defined(PNG_STDIO_SUPPORTED) && !defined(PNG_TIME_RFC1123_SUPPORTED) # define PNG_TIME_RFC1123_SUPPORTED #endif /* This adds extra functions in pngget.c for accessing data from the @@ -793,67 +659,21 @@ #if !defined(PNG_NO_EASY_ACCESS) && !defined(PNG_EASY_ACCESS_SUPPORTED) # define PNG_EASY_ACCESS_SUPPORTED #endif -/* PNG_ASSEMBLER_CODE was enabled by default in version 1.2.0 - * and removed from version 1.2.20. The following will be removed - * from libpng-1.4.0 -*/ - -#if defined(PNG_READ_SUPPORTED) && !defined(PNG_NO_OPTIMIZED_CODE) -# ifndef PNG_OPTIMIZED_CODE_SUPPORTED -# define PNG_OPTIMIZED_CODE_SUPPORTED -# endif -#endif - -#if defined(PNG_READ_SUPPORTED) && !defined(PNG_NO_ASSEMBLER_CODE) -# ifndef PNG_ASSEMBLER_CODE_SUPPORTED -# define PNG_ASSEMBLER_CODE_SUPPORTED -# endif - -# if defined(__GNUC__) && defined(__x86_64__) && (__GNUC__ < 4) - /* work around 64-bit gcc compiler bugs in gcc-3.x */ -# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) -# define PNG_NO_MMX_CODE -# endif -# endif - -# ifdef __APPLE__ -# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) -# define PNG_NO_MMX_CODE -# endif -# endif - -# if (defined(__MWERKS__) && ((__MWERKS__ < 0x0900) || macintosh)) -# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) -# define PNG_NO_MMX_CODE -# endif -# endif - -# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) -# define PNG_MMX_CODE_SUPPORTED -# endif - -#endif -/* end of obsolete code to be removed from libpng-1.4.0 */ - /* Added at libpng-1.2.0 */ -#ifndef PNG_1_0_X #if !defined(PNG_NO_USER_MEM) && !defined(PNG_USER_MEM_SUPPORTED) # define PNG_USER_MEM_SUPPORTED #endif -#endif /* PNG_1_0_X */ /* Added at libpng-1.2.6 */ -#ifndef PNG_1_0_X # ifndef PNG_SET_USER_LIMITS_SUPPORTED # ifndef PNG_NO_SET_USER_LIMITS # define PNG_SET_USER_LIMITS_SUPPORTED # endif # endif -#endif /* PNG_1_0_X */ -/* Added at libpng-1.0.16 and 1.2.6. To accept all valid PNGS no matter +/* Added at libpng-1.0.16 and 1.2.6. To accept all valid PNGs no matter * how large, set these limits to 0x7fffffffL */ #ifndef PNG_USER_WIDTH_MAX # define PNG_USER_WIDTH_MAX 1000000L @@ -861,13 +681,16 @@ #ifndef PNG_USER_HEIGHT_MAX # define PNG_USER_HEIGHT_MAX 1000000L #endif -#ifndef PNG_1_0_X -/* Added at libpng-1.2.41 */ +/* Added at libpng-1.4.0 */ #ifndef PNG_USER_CHUNK_CACHE_MAX # define PNG_USER_CHUNK_CACHE_MAX 0x7fffffffL #endif + +/* Added at libpng-1.4.0 */ +#if !defined(PNG_NO_IO_STATE) && !defined(PNG_IO_STATE_SUPPORTED) +# define PNG_IO_STATE_SUPPORTED #endif #ifndef PNG_LITERAL_SHARP # define PNG_LITERAL_SHARP 0x23 @@ -877,17 +700,15 @@ #endif #ifndef PNG_LITERAL_RIGHT_SQUARE_BRACKET # define PNG_LITERAL_RIGHT_SQUARE_BRACKET 0x5d #endif - -/* Added at libpng-1.2.34 */ #ifndef PNG_STRING_NEWLINE #define PNG_STRING_NEWLINE "\n" #endif /* These are currently experimental features, define them if you want */ -/* very little testing */ +/* Very little testing */ /* #ifdef PNG_READ_SUPPORTED # ifndef PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED # define PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED @@ -902,36 +723,41 @@ # define PNG_READ_BIG_ENDIAN_SUPPORTED #endif */ -/* Buggy compilers (e.g., gcc 2.7.2.2) need this */ -/* -#define PNG_NO_POINTER_INDEXING -*/ +#if !defined(PNG_NO_USE_READ_MACROS) && !defined(PNG_USE_READ_MACROS) +# define PNG_USE_READ_MACROS +#endif + +/* Buggy compilers (e.g., gcc 2.7.2.2) need PNG_NO_POINTER_INDEXING */ #if !defined(PNG_NO_POINTER_INDEXING) && \ !defined(PNG_POINTER_INDEXING_SUPPORTED) # define PNG_POINTER_INDEXING_SUPPORTED #endif -/* These functions are turned off by default, as they will be phased out. */ -/* -#define PNG_USELESS_TESTS_SUPPORTED -#define PNG_CORRECT_PALETTE_SUPPORTED -*/ /* Any chunks you are not interested in, you can undef here. The * ones that allocate memory may be expecially important (hIST, * tEXt, zTXt, tRNS, pCAL). Others will just save time and make png_info * a bit smaller. */ +/* The size of the png_text structure changed in libpng-1.0.6 when + * iTXt support was added. iTXt support was turned off by default through + * libpng-1.2.x, to support old apps that malloc the png_text structure + * instead of calling png_set_text() and letting libpng malloc it. It + * was turned on by default in libpng-1.4.0. + */ + +/* PNG_READ_ANCILLARY_CHUNKS_NOT_SUPPORTED is deprecated. */ #if defined(PNG_READ_SUPPORTED) && \ !defined(PNG_READ_ANCILLARY_CHUNKS_NOT_SUPPORTED) && \ !defined(PNG_NO_READ_ANCILLARY_CHUNKS) # define PNG_READ_ANCILLARY_CHUNKS_SUPPORTED #endif +/* PNG_WRITE_ANCILLARY_CHUNKS_NOT_SUPPORTED is deprecated. */ #if defined(PNG_WRITE_SUPPORTED) && \ !defined(PNG_WRITE_ANCILLARY_CHUNKS_NOT_SUPPORTED) && \ !defined(PNG_NO_WRITE_ANCILLARY_CHUNKS) # define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED @@ -1220,39 +1045,41 @@ * common platforms. The typedefs should be at least as large as the * numbers suggest (a png_uint_32 must be at least 32 bits long), but they * don't have to be exactly that size. Some compilers dislike passing * unsigned shorts as function parameters, so you may be better off using - * unsigned int for png_uint_16. Likewise, for 64-bit systems, you may - * want to have unsigned int for png_uint_32 instead of unsigned long. + * unsigned int for png_uint_16. */ +#if defined(INT_MAX) && (INT_MAX > 0x7ffffffeL) +typedef unsigned int png_uint_32; +typedef int png_int_32; +#else typedef unsigned long png_uint_32; typedef long png_int_32; +#endif typedef unsigned short png_uint_16; typedef short png_int_16; typedef unsigned char png_byte; -/* This is usually size_t. It is typedef'ed just in case you need it to - change (I'm not sure if you will or not, so I thought I'd be safe) */ -#ifdef PNG_SIZE_T - typedef PNG_SIZE_T png_size_t; -# define png_sizeof(x) png_convert_size(sizeof(x)) +#ifdef PNG_NO_SIZE_T + typedef unsigned int png_size_t; #else typedef size_t png_size_t; -# define png_sizeof(x) sizeof(x) #endif +#define png_sizeof(x) sizeof(x) /* The following is needed for medium model support. It cannot be in the - * PNG_INTERNAL section. Needs modification for other compilers besides + * pngpriv.h header. Needs modification for other compilers besides * MSC. Model independent support declares all arrays and pointers to be * large using the far keyword. The zlib version used must also support * model independent data. As of version zlib 1.0.4, the necessary changes * have been made in zlib. The USE_FAR_KEYWORD define triggers other * changes that are needed. (Tim Wegner) */ /* Separate compiler dependencies (problem here is that zlib.h always - defines FAR. (SJT) */ + * defines FAR. (SJT) + */ #ifdef __BORLANDC__ # if defined(__LARGE__) || defined(__HUGE__) || defined(__COMPACT__) # define LDATA 1 # else @@ -1315,14 +1142,10 @@ typedef char FAR * png_charp; typedef png_fixed_point FAR * png_fixed_point_p; #ifndef PNG_NO_STDIO -#ifdef _WIN32_WCE -typedef HANDLE png_FILE_p; -#else typedef FILE * png_FILE_p; #endif -#endif #ifdef PNG_FLOATING_POINT_SUPPORTED typedef double FAR * png_doublep; #endif @@ -1342,22 +1165,9 @@ /* Pointers to pointers to pointers; i.e., pointer to array */ typedef char FAR * FAR * FAR * png_charppp; -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -/* SPC - Is this stuff deprecated? */ -/* It'll be removed as of libpng-1.4.0 - GR-P */ -/* libpng typedefs for types in zlib. If zlib changes - * or another compression library is used, then change these. - * Eliminates need to change all the source files. - */ -typedef charf * png_zcharp; -typedef charf * FAR * png_zcharpp; -typedef z_stream FAR * png_zstreamp; -#endif /* (PNG_1_0_X) || defined(PNG_1_2_X) */ - -/* - * Define PNG_BUILD_DLL if the module being built is a Windows +/* Define PNG_BUILD_DLL if the module being built is a Windows * LIBPNG DLL. * * Define PNG_USE_DLL if you want to *link* to the Windows LIBPNG DLL. * It is equivalent to Microsoft predefined macro _DLL that is @@ -1375,52 +1185,18 @@ #if !defined(PNG_DLL) && (defined(PNG_BUILD_DLL) || defined(PNG_USE_DLL)) # define PNG_DLL #endif -/* If CYGWIN, then disallow GLOBAL ARRAYS unless building a static lib. - * When building a static lib, default to no GLOBAL ARRAYS, but allow - * command-line override - */ -#ifdef __CYGWIN__ -# ifndef PNG_STATIC -# ifdef PNG_USE_GLOBAL_ARRAYS -# undef PNG_USE_GLOBAL_ARRAYS -# endif -# ifndef PNG_USE_LOCAL_ARRAYS -# define PNG_USE_LOCAL_ARRAYS -# endif -# else -# if defined(PNG_USE_LOCAL_ARRAYS) || defined(PNG_NO_GLOBAL_ARRAYS) -# ifdef PNG_USE_GLOBAL_ARRAYS -# undef PNG_USE_GLOBAL_ARRAYS -# endif -# endif -# endif -# if !defined(PNG_USE_LOCAL_ARRAYS) && !defined(PNG_USE_GLOBAL_ARRAYS) -# define PNG_USE_LOCAL_ARRAYS -# endif -#endif - -/* Do not use global arrays (helps with building DLL's) - * They are no longer used in libpng itself, since version 1.0.5c, - * but might be required for some pre-1.0.5c applications. - */ -#if !defined(PNG_USE_LOCAL_ARRAYS) && !defined(PNG_USE_GLOBAL_ARRAYS) -# if defined(PNG_NO_GLOBAL_ARRAYS) || \ - (defined(__GNUC__) && defined(PNG_DLL)) || defined(_MSC_VER) -# define PNG_USE_LOCAL_ARRAYS -# else -# define PNG_USE_GLOBAL_ARRAYS -# endif -#endif #ifdef __CYGWIN__ # undef PNGAPI # define PNGAPI __cdecl # undef PNG_IMPEXP # define PNG_IMPEXP #endif +#define PNG_USE_LOCAL_ARRAYS /* Not used in libpng, defined for legacy apps */ + /* If you define PNGAPI, e.g., with compiler option "-DPNGAPI=__stdcall", * you may get warnings regarding the linkage of png_zalloc and png_zfree. * Don't ignore those warnings; you must also reset the default calling * convention in your compiler to match your PNGAPI, and you must build @@ -1467,10 +1243,9 @@ # define PNG_EXPORT PNG_EXPORT_TYPE2 # ifdef PNG_BUILD_DLL # define PNG_IMPEXP __export # else -# define PNG_IMPEXP /*__import */ /* doesn't exist AFAIK in - VC++ */ +# define PNG_IMPEXP /*__import */ /* doesn't exist AFAIK in VC++ */ # endif /* Exists in Borland C++ for C++ classes (== huge) */ # endif # endif @@ -1504,31 +1279,24 @@ #ifdef PNG_BUILDSYMS # ifndef PNG_EXPORT # define PNG_EXPORT(type,symbol) PNG_FUNCTION_EXPORT symbol END # endif -# ifdef PNG_USE_GLOBAL_ARRAYS -# ifndef PNG_EXPORT_VAR -# define PNG_EXPORT_VAR(type) PNG_DATA_EXPORT -# endif -# endif #endif #ifndef PNG_EXPORT # define PNG_EXPORT(type,symbol) PNG_IMPEXP type PNGAPI symbol #endif -#ifdef PNG_USE_GLOBAL_ARRAYS -# ifndef PNG_EXPORT_VAR -# define PNG_EXPORT_VAR(type) extern PNG_IMPEXP type -# endif -#endif - /* Support for compiler specific function attributes. These are used * so that where compiler support is available incorrect use of API - * functions in png.h will generate compiler warnings. Added at libpng - * version 1.2.41. + * functions in png.h will generate compiler warnings. + * + * Added at libpng-1.2.41. */ #ifdef __GNUC__ +# ifndef PNG_DEPRECATED +# define PNG_DEPRECATED __attribute__((__deprecated__)) +# endif # ifndef PNG_USE_RESULT # define PNG_USE_RESULT __attribute__((__warn_unused_result__)) # endif # ifndef PNG_NORETURN @@ -1542,22 +1310,13 @@ /* This specifically protects structure members that should only be * accessed from within the library, therefore should be empty during * a library build. */ -# ifndef PNG_DEPRECATED -# define PNG_DEPRECATED __attribute__((__deprecated__)) -# endif # ifndef PNG_DEPSTRUCT # define PNG_DEPSTRUCT __attribute__((__deprecated__)) # endif # ifndef PNG_PRIVATE -#if 0 /* Doesn't work so we use deprecated instead*/ -# define PNG_PRIVATE \ - __attribute__((warning("This function is not exported by libpng."))) -#else -# define PNG_PRIVATE \ - __attribute__((__deprecated__)) -#endif +# define PNG_PRIVATE __attribute__((__deprecated__)) # endif # endif #endif @@ -1579,37 +1338,62 @@ #ifndef PNG_PRIVATE # define PNG_PRIVATE /* This is a private libpng function */ #endif -/* User may want to use these so they are not in PNG_INTERNAL. Any library - * functions that are passed far data must be model independent. +/* Users may want to use these so they are not private. Any library + * functions that are passed far data must be model-independent. */ -#ifndef PNG_ABORT -# define PNG_ABORT() abort() -#endif - #ifdef PNG_SETJMP_SUPPORTED # define png_jmpbuf(png_ptr) ((png_ptr)->jmpbuf) #else # define png_jmpbuf(png_ptr) \ - (LIBPNG_WAS_COMPILED_WITH__PNG_SETJMP_NOT_SUPPORTED) + (LIBPNG_WAS_COMPILED_WITH__PNG_NO_SETJMP) #endif -#ifdef USE_FAR_KEYWORD /* memory model independent fns */ +/* memory model/platform independent fns */ +#ifndef PNG_ABORT +# ifdef _WINDOWS_ +# define PNG_ABORT() ExitProcess(0) +# else +# define PNG_ABORT() abort() +# endif +#endif + +#ifdef USE_FAR_KEYWORD /* Use this to make far-to-near assignments */ # define CHECK 1 # define NOCHECK 0 # define CVT_PTR(ptr) (png_far_to_near(png_ptr,ptr,CHECK)) # define CVT_PTR_NOCHECK(ptr) (png_far_to_near(png_ptr,ptr,NOCHECK)) -# define png_snprintf _fsnprintf /* Added to v 1.2.19 */ +# define png_strcpy _fstrcpy +# define png_strncpy _fstrncpy /* Added to v 1.2.6 */ # define png_strlen _fstrlen # define png_memcmp _fmemcmp /* SJT: added */ # define png_memcpy _fmemcpy # define png_memset _fmemset -#else /* Use the usual functions */ +# define png_sprintf sprintf +#else +# ifdef _WINDOWS_ /* Favor Windows over C runtime fns */ # define CVT_PTR(ptr) (ptr) # define CVT_PTR_NOCHECK(ptr) (ptr) +# define png_strcpy lstrcpyA +# define png_strncpy lstrcpynA +# define png_strlen lstrlenA +# define png_memcmp memcmp +# define png_memcpy CopyMemory +# define png_memset memset +# define png_sprintf wsprintfA +# else +# define CVT_PTR(ptr) (ptr) +# define CVT_PTR_NOCHECK(ptr) (ptr) +# define png_strcpy strcpy +# define png_strncpy strncpy /* Added to v 1.2.6 */ +# define png_strlen strlen +# define png_memcmp memcmp /* SJT: added */ +# define png_memcpy memcpy +# define png_memset memset +# define png_sprintf sprintf # ifndef PNG_NO_SNPRINTF # ifdef _MSC_VER # define png_snprintf _snprintf /* Added to v 1.2.19 */ # define png_snprintf2 _snprintf @@ -1630,14 +1414,42 @@ # define png_snprintf2(s1,n,fmt,x1,x2) sprintf(s1,fmt,x1,x2) # define png_snprintf6(s1,n,fmt,x1,x2,x3,x4,x5,x6) \ sprintf(s1,fmt,x1,x2,x3,x4,x5,x6) # endif -# define png_strlen strlen -# define png_memcmp memcmp /* SJT: added */ -# define png_memcpy memcpy -# define png_memset memset #endif -/* End of memory model independent support */ +#endif + +/* png_alloc_size_t is guaranteed to be no smaller than png_size_t, + * and no smaller than png_uint_32. Casts from png_size_t or png_uint_32 + * to png_alloc_size_t are not necessary; in fact, it is recommended + * not to use them at all so that the compiler can complain when something + * turns out to be problematic. + * Casts in the other direction (from png_alloc_size_t to png_size_t or + * png_uint_32) should be explicitly applied; however, we do not expect + * to encounter practical situations that require such conversions. + */ +#if defined(__TURBOC__) && !defined(__FLAT__) +# define png_mem_alloc farmalloc +# define png_mem_free farfree + typedef unsigned long png_alloc_size_t; +#else +# if defined(_MSC_VER) && defined(MAXSEG_64K) +# define png_mem_alloc(s) halloc(s, 1) +# define png_mem_free hfree + typedef unsigned long png_alloc_size_t; +# else +# if defined(_WINDOWS_) && (!defined(INT_MAX) || INT_MAX <= 0x7ffffffeL) +# define png_mem_alloc(s) HeapAlloc(GetProcessHeap(), 0, s) +# define png_mem_free(p) HeapFree(GetProcessHeap(), 0, p) + typedef DWORD png_alloc_size_t; +# else +# define png_mem_alloc malloc +# define png_mem_free free + typedef png_size_t png_alloc_size_t; +# endif +# endif +#endif +/* End of memory model/platform independent support */ /* Just a little check that someone hasn't tried to define something * contradictory. */ diff -ru4NwbB libpng-1.2.41beta18/pngerror.c libpng-1.4.0beta98/pngerror.c --- libpng-1.2.41beta18/pngerror.c 2009-11-11 15:01:32.642498323 -0600 +++ libpng-1.4.0beta98/pngerror.c 2009-11-13 05:18:10.406834841 -0600 @@ -1,8 +1,8 @@ /* pngerror.c - stub functions for i/o and memory allocation * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -15,11 +15,11 @@ * and use png_set_error_fn() to use those functions. See the instructions * at each function. */ -#define PNG_INTERNAL #include "png.h" #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) +#include "pngpriv.h" static void /* PRIVATE */ png_default_error PNGARG((png_structp png_ptr, png_const_charp error_message)) PNG_NORETURN; diff -ru4NwbB libpng-1.2.41beta18/pnggccrd.c libpng-1.4.0beta98/pnggccrd.c --- libpng-1.2.41beta18/pnggccrd.c 2009-11-11 15:01:32.647373169 -0600 +++ libpng-1.4.0beta98/pnggccrd.c 1969-12-31 18:00:00.000000000 -0600 @@ -1,103 +0,0 @@ -/* pnggccrd.c was removed from libpng-1.2.20. */ - -/* This code snippet is for use by configure's compilation test. */ - -#if (!defined _MSC_VER) && \ - defined(PNG_ASSEMBLER_CODE_SUPPORTED) && \ - defined(PNG_MMX_CODE_SUPPORTED) - -int PNGAPI png_dummy_mmx_support(void); - -static int _mmx_supported = 2; // 0: no MMX; 1: MMX supported; 2: not tested - -int PNGAPI -png_dummy_mmx_support(void) __attribute__((noinline)); - -int PNGAPI -png_dummy_mmx_support(void) -{ - int result; -#ifdef PNG_MMX_CODE_SUPPORTED // superfluous, but what the heck - __asm__ __volatile__ ( -#ifdef __x86_64__ - "pushq %%rbx \n\t" // rbx gets clobbered by CPUID instruction - "pushq %%rcx \n\t" // so does rcx... - "pushq %%rdx \n\t" // ...and rdx (but rcx & rdx safe on Linux) - "pushfq \n\t" // save Eflag to stack - "popq %%rax \n\t" // get Eflag from stack into rax - "movq %%rax, %%rcx \n\t" // make another copy of Eflag in rcx - "xorl $0x200000, %%eax \n\t" // toggle ID bit in Eflag (i.e., bit 21) - "pushq %%rax \n\t" // save modified Eflag back to stack - "popfq \n\t" // restore modified value to Eflag reg - "pushfq \n\t" // save Eflag to stack - "popq %%rax \n\t" // get Eflag from stack - "pushq %%rcx \n\t" // save original Eflag to stack - "popfq \n\t" // restore original Eflag -#else - "pushl %%ebx \n\t" // ebx gets clobbered by CPUID instruction - "pushl %%ecx \n\t" // so does ecx... - "pushl %%edx \n\t" // ...and edx (but ecx & edx safe on Linux) - "pushfl \n\t" // save Eflag to stack - "popl %%eax \n\t" // get Eflag from stack into eax - "movl %%eax, %%ecx \n\t" // make another copy of Eflag in ecx - "xorl $0x200000, %%eax \n\t" // toggle ID bit in Eflag (i.e., bit 21) - "pushl %%eax \n\t" // save modified Eflag back to stack - "popfl \n\t" // restore modified value to Eflag reg - "pushfl \n\t" // save Eflag to stack - "popl %%eax \n\t" // get Eflag from stack - "pushl %%ecx \n\t" // save original Eflag to stack - "popfl \n\t" // restore original Eflag -#endif - "xorl %%ecx, %%eax \n\t" // compare new Eflag with original Eflag - "jz 0f \n\t" // if same, CPUID instr. is not supported - - "xorl %%eax, %%eax \n\t" // set eax to zero -// ".byte 0x0f, 0xa2 \n\t" // CPUID instruction (two-byte opcode) - "cpuid \n\t" // get the CPU identification info - "cmpl $1, %%eax \n\t" // make sure eax return non-zero value - "jl 0f \n\t" // if eax is zero, MMX is not supported - - "xorl %%eax, %%eax \n\t" // set eax to zero and... - "incl %%eax \n\t" // ...increment eax to 1. This pair is - // faster than the instruction "mov eax, 1" - "cpuid \n\t" // get the CPU identification info again - "andl $0x800000, %%edx \n\t" // mask out all bits but MMX bit (23) - "cmpl $0, %%edx \n\t" // 0 = MMX not supported - "jz 0f \n\t" // non-zero = yes, MMX IS supported - - "movl $1, %%eax \n\t" // set return value to 1 - "jmp 1f \n\t" // DONE: have MMX support - - "0: \n\t" // .NOT_SUPPORTED: target label for jump instructions - "movl $0, %%eax \n\t" // set return value to 0 - "1: \n\t" // .RETURN: target label for jump instructions -#ifdef __x86_64__ - "popq %%rdx \n\t" // restore rdx - "popq %%rcx \n\t" // restore rcx - "popq %%rbx \n\t" // restore rbx -#else - "popl %%edx \n\t" // restore edx - "popl %%ecx \n\t" // restore ecx - "popl %%ebx \n\t" // restore ebx -#endif - -// "ret \n\t" // DONE: no MMX support - // (fall through to standard C "ret") - - : "=a" (result) // output list - - : // any variables used on input (none) - - // no clobber list -// , "%ebx", "%ecx", "%edx" // GRR: we handle these manually -// , "memory" // if write to a variable gcc thought was in a reg -// , "cc" // "condition codes" (flag bits) - ); - _mmx_supported = result; -#else - _mmx_supported = 0; -#endif /* PNG_MMX_CODE_SUPPORTED */ - - return _mmx_supported; -} -#endif diff -ru4NwbB libpng-1.2.41beta18/pngget.c libpng-1.4.0beta98/pngget.c --- libpng-1.2.41beta18/pngget.c 2009-11-11 15:01:32.654219125 -0600 +++ libpng-1.4.0beta98/pngget.c 2009-11-13 05:18:10.413901652 -0600 @@ -1,8 +1,8 @@ /* pngget.c - retrieval of values from info struct * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -11,11 +11,11 @@ * and license in png.h * */ -#define PNG_INTERNAL #include "png.h" #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) +#include "pngpriv.h" png_uint_32 PNGAPI png_get_valid(png_structp png_ptr, png_infop info_ptr, png_uint_32 flag) { @@ -25,9 +25,9 @@ else return(0); } -png_uint_32 PNGAPI +png_size_t PNGAPI png_get_rowbytes(png_structp png_ptr, png_infop info_ptr) { if (png_ptr != NULL && info_ptr != NULL) return(info_ptr->rowbytes); @@ -801,36 +801,36 @@ #ifdef PNG_tRNS_SUPPORTED png_uint_32 PNGAPI png_get_tRNS(png_structp png_ptr, png_infop info_ptr, - png_bytep *trans, int *num_trans, png_color_16p *trans_values) + png_bytep *trans_alpha, int *num_trans, png_color_16p *trans_color) { png_uint_32 retval = 0; if (png_ptr != NULL && info_ptr != NULL && (info_ptr->valid & PNG_INFO_tRNS)) { png_debug1(1, "in %s retrieval function", "tRNS"); if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) { - if (trans != NULL) + if (trans_alpha != NULL) { - *trans = info_ptr->trans; + *trans_alpha = info_ptr->trans_alpha; retval |= PNG_INFO_tRNS; } - if (trans_values != NULL) - *trans_values = &(info_ptr->trans_values); + if (trans_color != NULL) + *trans_color = &(info_ptr->trans_color); } else /* if (info_ptr->color_type != PNG_COLOR_TYPE_PALETTE) */ { - if (trans_values != NULL) + if (trans_color != NULL) { - *trans_values = &(info_ptr->trans_values); + *trans_color = &(info_ptr->trans_color); retval |= PNG_INFO_tRNS; } - if (trans != NULL) - *trans = NULL; + if (trans_alpha != NULL) + *trans_alpha = NULL; } if (num_trans != NULL) { *num_trans = info_ptr->num_trans; @@ -871,74 +871,48 @@ } #endif #ifdef PNG_WRITE_SUPPORTED -png_uint_32 PNGAPI +png_size_t PNGAPI png_get_compression_buffer_size(png_structp png_ptr) { - return (png_uint_32)(png_ptr? png_ptr->zbuf_size : 0L); + return (png_ptr ? png_ptr->zbuf_size : 0L); } #endif -#ifdef PNG_ASSEMBLER_CODE_SUPPORTED -#ifndef PNG_1_0_X -/* This function was added to libpng 1.2.0 and should exist by default */ -png_uint_32 PNGAPI -png_get_asm_flags (png_structp png_ptr) -{ - /* Obsolete, to be removed from libpng-1.4.0 */ - return (png_ptr? 0L: 0L); -} -/* This function was added to libpng 1.2.0 and should exist by default */ +#ifdef PNG_SET_USER_LIMITS_SUPPORTED +/* These functions were added to libpng 1.2.6 */ png_uint_32 PNGAPI -png_get_asm_flagmask (int flag_select) +png_get_user_width_max (png_structp png_ptr) { - /* Obsolete, to be removed from libpng-1.4.0 */ - flag_select=flag_select; - return 0L; + return (png_ptr? png_ptr->user_width_max : 0); } - - /* GRR: could add this: && defined(PNG_MMX_CODE_SUPPORTED) */ -/* This function was added to libpng 1.2.0 */ png_uint_32 PNGAPI -png_get_mmx_flagmask (int flag_select, int *compilerID) -{ - /* Obsolete, to be removed from libpng-1.4.0 */ - flag_select=flag_select; - *compilerID = -1; /* unknown (i.e., no asm/MMX code compiled) */ - return 0L; -} - -/* This function was added to libpng 1.2.0 */ -png_byte PNGAPI -png_get_mmx_bitdepth_threshold (png_structp png_ptr) +png_get_user_height_max (png_structp png_ptr) { - /* Obsolete, to be removed from libpng-1.4.0 */ - return (png_ptr? 0: 0); + return (png_ptr? png_ptr->user_height_max : 0); } - -/* This function was added to libpng 1.2.0 */ +/* This function was added to libpng 1.4.0 */ png_uint_32 PNGAPI -png_get_mmx_rowbytes_threshold (png_structp png_ptr) +png_get_chunk_cache_max (png_structp png_ptr) { - /* Obsolete, to be removed from libpng-1.4.0 */ - return (png_ptr? 0L: 0L); + return (png_ptr? png_ptr->user_chunk_cache_max? 0x7fffffffL : + png_ptr->user_chunk_cache_max - 1 : 0); } -#endif /* ?PNG_1_0_X */ -#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */ +#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */ -#ifdef PNG_SET_USER_LIMITS_SUPPORTED -/* These functions were added to libpng 1.2.6 */ +#ifdef PNG_IO_STATE_SUPPORTED png_uint_32 PNGAPI -png_get_user_width_max (png_structp png_ptr) +png_get_io_state (png_structp png_ptr) { - return (png_ptr? png_ptr->user_width_max : 0); + return png_ptr->io_state; } -png_uint_32 PNGAPI -png_get_user_height_max (png_structp png_ptr) + +png_bytep PNGAPI +png_get_io_chunk_name (png_structp png_ptr) { - return (png_ptr? png_ptr->user_height_max : 0); + return png_ptr->chunk_name; } -#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */ +#endif /* ?PNG_IO_STATE_SUPPORTED */ #endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ diff -ru4NwbB libpng-1.2.41beta18/pngmem.c libpng-1.4.0beta98/pngmem.c --- libpng-1.2.41beta18/pngmem.c 2009-11-11 15:01:32.660497463 -0600 +++ libpng-1.4.0beta98/pngmem.c 2009-11-13 05:18:10.420166682 -0600 @@ -1,8 +1,8 @@ /* pngmem.c - stub functions for memory allocation * - * Last changed in libpng 1.2.37 [June 4, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -16,11 +16,11 @@ * png_create_read_struct_2() and png_create_write_struct_2() to * identify the replacement functions. */ -#define PNG_INTERNAL #include "png.h" #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) +#include "pngpriv.h" /* Borland DOS special memory handler */ #if defined(__TURBOC__) && !defined(_Windows) && !defined(__FLAT__) /* If you change this, be sure to change the one in png.h also */ @@ -30,9 +30,9 @@ png_voidp /* PRIVATE */ png_create_struct(int type) { #ifdef PNG_USER_MEM_SUPPORTED - return (png_create_struct_2(type, png_malloc_ptr_NULL, png_voidp_NULL)); + return (png_create_struct_2(type, NULL, NULL)); } /* Alternate version of png_create_struct, for use with user-defined malloc. */ png_voidp /* PRIVATE */ @@ -69,9 +69,9 @@ void /* PRIVATE */ png_destroy_struct(png_voidp struct_ptr) { #ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2(struct_ptr, png_free_ptr_NULL, png_voidp_NULL); + png_destroy_struct_2(struct_ptr, NULL, NULL); } /* Free memory allocated by a png_create_struct() call */ void /* PRIVATE */ @@ -114,9 +114,9 @@ * result, we would be truncating potentially larger memory requests * (which should cause a fatal error) and introducing major problems. */ png_voidp PNGAPI -png_calloc(png_structp png_ptr, png_uint_32 size) +png_calloc(png_structp png_ptr, png_alloc_size_t size) { png_voidp ret; ret = (png_malloc(png_ptr, size)); @@ -125,9 +125,9 @@ return (ret); } png_voidp PNGAPI -png_malloc(png_structp png_ptr, png_uint_32 size) +png_malloc(png_structp png_ptr, png_alloc_size_t size) { png_voidp ret; if (png_ptr == NULL || size == 0) @@ -138,14 +138,14 @@ ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, (png_size_t)size)); else ret = (png_malloc_default(png_ptr, size)); if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out of memory!"); + png_error(png_ptr, "Out of memory"); return (ret); } png_voidp PNGAPI -png_malloc_default(png_structp png_ptr, png_uint_32 size) +png_malloc_default(png_structp png_ptr, png_alloc_size_t size) { png_voidp ret; #endif /* PNG_USER_MEM_SUPPORTED */ @@ -199,11 +199,11 @@ if (table == NULL) { #ifndef PNG_USER_MEM_SUPPORTED if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out Of Memory."); /* Note "O" and "M" */ + png_error(png_ptr, "Out Of Memory"); /* Note "O" and "M" */ else - png_warning(png_ptr, "Out Of Memory."); + png_warning(png_ptr, "Out Of Memory"); #endif return (NULL); } @@ -227,11 +227,11 @@ if (png_ptr->offset_table_ptr == NULL) { #ifndef PNG_USER_MEM_SUPPORTED if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out Of memory."); /* Note "O" and "M" */ + png_error(png_ptr, "Out Of memory"); /* Note "O" and "M" */ else - png_warning(png_ptr, "Out Of memory."); + png_warning(png_ptr, "Out Of memory"); #endif return (NULL); } @@ -256,11 +256,11 @@ if (png_ptr->offset_table_count >= png_ptr->offset_table_number) { #ifndef PNG_USER_MEM_SUPPORTED if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out of Memory."); /* Note "o" and "M" */ + png_error(png_ptr, "Out of Memory"); /* Note "o" and "M" */ else - png_warning(png_ptr, "Out of Memory."); + png_warning(png_ptr, "Out of Memory"); #endif return (NULL); } @@ -272,11 +272,11 @@ #ifndef PNG_USER_MEM_SUPPORTED if (ret == NULL) { if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out of memory."); /* Note "o" and "m" */ + png_error(png_ptr, "Out of memory"); /* Note "o" and "m" */ else - png_warning(png_ptr, "Out of memory."); /* Note "o" and "m" */ + png_warning(png_ptr, "Out of memory"); /* Note "o" and "m" */ } #endif return (ret); @@ -346,9 +346,9 @@ png_voidp /* PRIVATE */ png_create_struct(int type) { #ifdef PNG_USER_MEM_SUPPORTED - return (png_create_struct_2(type, png_malloc_ptr_NULL, png_voidp_NULL)); + return (png_create_struct_2(type, NULL, NULL)); } /* Allocate memory for a png_struct or a png_info. The malloc and memset can be replaced by a single call to calloc() if this is thought @@ -400,9 +400,9 @@ void /* PRIVATE */ png_destroy_struct(png_voidp struct_ptr) { #ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2(struct_ptr, png_free_ptr_NULL, png_voidp_NULL); + png_destroy_struct_2(struct_ptr, NULL, NULL); } /* Free memory allocated by a png_create_struct() call */ void /* PRIVATE */ @@ -441,9 +441,9 @@ * have the ability to do that. */ png_voidp PNGAPI -png_calloc(png_structp png_ptr, png_uint_32 size) +png_calloc(png_structp png_ptr, png_alloc_size_t size) { png_voidp ret; ret = (png_malloc(png_ptr, size)); @@ -452,9 +452,9 @@ return (ret); } png_voidp PNGAPI -png_malloc(png_structp png_ptr, png_uint_32 size) +png_malloc(png_structp png_ptr, png_alloc_size_t size) { png_voidp ret; #ifdef PNG_USER_MEM_SUPPORTED @@ -465,14 +465,14 @@ ret = ((png_voidp)(*(png_ptr->malloc_fn))(png_ptr, (png_size_t)size)); else ret = (png_malloc_default(png_ptr, size)); if (ret == NULL && (png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0) - png_error(png_ptr, "Out of Memory!"); + png_error(png_ptr, "Out of Memory"); return (ret); } png_voidp PNGAPI -png_malloc_default(png_structp png_ptr, png_uint_32 size) +png_malloc_default(png_structp png_ptr, png_alloc_size_t size) { png_voidp ret; #endif /* PNG_USER_MEM_SUPPORTED */ @@ -557,18 +557,15 @@ } #endif /* Not Borland DOS special memory handler */ -#ifdef PNG_1_0_X -# define png_malloc_warn png_malloc -#else /* This function was added at libpng version 1.2.3. The png_malloc_warn() * function will set up png_malloc() to issue a png_warning and return NULL * instead of issuing a png_error, if it fails to allocate the requested * memory. */ png_voidp PNGAPI -png_malloc_warn(png_structp png_ptr, png_uint_32 size) +png_malloc_warn(png_structp png_ptr, png_alloc_size_t size) { png_voidp ptr; png_uint_32 save_flags; if (png_ptr == NULL) @@ -579,36 +576,9 @@ ptr = (png_voidp)png_malloc((png_structp)png_ptr, size); png_ptr->flags=save_flags; return(ptr); } -#endif -png_voidp PNGAPI -png_memcpy_check (png_structp png_ptr, png_voidp s1, png_voidp s2, - png_uint_32 length) -{ - png_size_t size; - - size = (png_size_t)length; - if ((png_uint_32)size != length) - png_error(png_ptr, "Overflow in png_memcpy_check."); - - return(png_memcpy (s1, s2, size)); -} - -png_voidp PNGAPI -png_memset_check (png_structp png_ptr, png_voidp s1, int value, - png_uint_32 length) -{ - png_size_t size; - - size = (png_size_t)length; - if ((png_uint_32)size != length) - png_error(png_ptr, "Overflow in png_memset_check."); - - return (png_memset (s1, value, size)); - -} #ifdef PNG_USER_MEM_SUPPORTED /* This function is called when the application wants to use another method * of allocating and freeing memory. diff -ru4NwbB libpng-1.2.41beta18/pngpread.c libpng-1.4.0beta98/pngpread.c --- libpng-1.2.41beta18/pngpread.c 2009-11-11 15:01:32.669074055 -0600 +++ libpng-1.4.0beta98/pngpread.c 2009-11-13 05:18:10.428761457 -0600 @@ -1,8 +1,8 @@ /* pngpread.c - read a png file in push mode * - * Last changed in libpng 1.2.38 [July 16, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -10,11 +10,11 @@ * For conditions of distribution and use, see the disclaimer * and license in png.h */ -#define PNG_INTERNAL #include "png.h" #ifdef PNG_PROGRESSIVE_READ_SUPPORTED +#include "pngpriv.h" /* Push model modes */ #define PNG_READ_SIG_MODE 0 #define PNG_READ_CHUNK_MODE 1 @@ -148,65 +148,63 @@ void /* PRIVATE */ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) { -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IHDR; - PNG_CONST PNG_IDAT; - PNG_CONST PNG_IEND; - PNG_CONST PNG_PLTE; + PNG_IHDR; + PNG_IDAT; + PNG_IEND; + PNG_PLTE; #ifdef PNG_READ_bKGD_SUPPORTED - PNG_CONST PNG_bKGD; + PNG_bKGD; #endif #ifdef PNG_READ_cHRM_SUPPORTED - PNG_CONST PNG_cHRM; + PNG_cHRM; #endif #ifdef PNG_READ_gAMA_SUPPORTED - PNG_CONST PNG_gAMA; + PNG_gAMA; #endif #ifdef PNG_READ_hIST_SUPPORTED - PNG_CONST PNG_hIST; + PNG_hIST; #endif #ifdef PNG_READ_iCCP_SUPPORTED - PNG_CONST PNG_iCCP; + PNG_iCCP; #endif #ifdef PNG_READ_iTXt_SUPPORTED - PNG_CONST PNG_iTXt; + PNG_iTXt; #endif #ifdef PNG_READ_oFFs_SUPPORTED - PNG_CONST PNG_oFFs; + PNG_oFFs; #endif #ifdef PNG_READ_pCAL_SUPPORTED - PNG_CONST PNG_pCAL; + PNG_pCAL; #endif #ifdef PNG_READ_pHYs_SUPPORTED - PNG_CONST PNG_pHYs; + PNG_pHYs; #endif #ifdef PNG_READ_sBIT_SUPPORTED - PNG_CONST PNG_sBIT; + PNG_sBIT; #endif #ifdef PNG_READ_sCAL_SUPPORTED - PNG_CONST PNG_sCAL; + PNG_sCAL; #endif #ifdef PNG_READ_sRGB_SUPPORTED - PNG_CONST PNG_sRGB; + PNG_sRGB; #endif #ifdef PNG_READ_sPLT_SUPPORTED - PNG_CONST PNG_sPLT; + PNG_sPLT; #endif #ifdef PNG_READ_tEXt_SUPPORTED - PNG_CONST PNG_tEXt; + PNG_tEXt; #endif #ifdef PNG_READ_tIME_SUPPORTED - PNG_CONST PNG_tIME; + PNG_tIME; #endif #ifdef PNG_READ_tRNS_SUPPORTED - PNG_CONST PNG_tRNS; + PNG_tRNS; #endif #ifdef PNG_READ_zTXt_SUPPORTED - PNG_CONST PNG_zTXt; + PNG_zTXt; #endif -#endif /* PNG_USE_LOCAL_ARRAYS */ /* First we make sure we have enough data for the 4 byte chunk name * and the 4 byte chunk length before proceeding with decoding the * chunk data. To fully decode each of these chunks, we also make @@ -322,9 +320,9 @@ if (png_ptr->push_length == 0) return; if (png_ptr->mode & PNG_AFTER_IDAT) - png_error(png_ptr, "Too many IDAT's found"); + png_benign_error(png_ptr, "Too many IDATs found"); } png_ptr->idat_size = png_ptr->push_length; png_ptr->mode |= PNG_HAVE_IDAT; @@ -699,9 +697,9 @@ new_max = png_ptr->save_buffer_size + png_ptr->current_buffer_size + 256; old_buffer = png_ptr->save_buffer; png_ptr->save_buffer = (png_bytep)png_malloc(png_ptr, - (png_uint_32)new_max); + (png_size_t)new_max); png_memcpy(png_ptr->save_buffer, old_buffer, png_ptr->save_buffer_size); png_free(png_ptr, old_buffer); png_ptr->save_buffer_max = new_max; } @@ -728,11 +726,9 @@ void /* PRIVATE */ png_push_read_IDAT(png_structp png_ptr) { -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IDAT; -#endif + PNG_IDAT; if (!(png_ptr->mode & PNG_HAVE_CHUNK_HEADER)) { png_byte chunk_length[4]; @@ -827,9 +823,9 @@ { int ret; if ((png_ptr->flags & PNG_FLAG_ZLIB_FINISHED) && buffer_length) - png_error(png_ptr, "Extra compression data"); + png_benign_error(png_ptr, "Extra compression data"); png_ptr->zstream.next_in = buffer; png_ptr->zstream.avail_in = (uInt)buffer_length; for (;;) @@ -839,9 +835,9 @@ { if (ret == Z_STREAM_END) { if (png_ptr->zstream.avail_in) - png_error(png_ptr, "Extra compressed data"); + png_benign_error(png_ptr, "Extra compressed data"); if (!(png_ptr->zstream.avail_out)) { png_push_process_row(png_ptr); @@ -896,10 +892,9 @@ png_read_filter_row(png_ptr, &(png_ptr->row_info), png_ptr->row_buf + 1, png_ptr->prev_row + 1, (int)(png_ptr->row_buf[0])); - png_memcpy_check(png_ptr, png_ptr->prev_row, png_ptr->row_buf, - png_ptr->rowbytes + 1); + png_memcpy(png_ptr->prev_row, png_ptr->row_buf, png_ptr->rowbytes + 1); if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA)) png_do_read_transformations(png_ptr); @@ -928,25 +923,25 @@ if (png_ptr->pass == 2) /* Pass 1 might be empty */ { for (i = 0; i < 4 && png_ptr->pass == 2; i++) { - png_push_have_row(png_ptr, png_bytep_NULL); + png_push_have_row(png_ptr, NULL); png_read_push_finish_row(png_ptr); } } if (png_ptr->pass == 4 && png_ptr->height <= 4) { for (i = 0; i < 2 && png_ptr->pass == 4; i++) { - png_push_have_row(png_ptr, png_bytep_NULL); + png_push_have_row(png_ptr, NULL); png_read_push_finish_row(png_ptr); } } if (png_ptr->pass == 6 && png_ptr->height <= 4) { - png_push_have_row(png_ptr, png_bytep_NULL); + png_push_have_row(png_ptr, NULL); png_read_push_finish_row(png_ptr); } break; @@ -964,9 +959,9 @@ if (png_ptr->pass == 2) /* Skip top 4 generated rows */ { for (i = 0; i < 4 && png_ptr->pass == 2; i++) { - png_push_have_row(png_ptr, png_bytep_NULL); + png_push_have_row(png_ptr, NULL); png_read_push_finish_row(png_ptr); } } @@ -984,17 +979,17 @@ } for (i = 0; i < 4 && png_ptr->pass == 2; i++) { - png_push_have_row(png_ptr, png_bytep_NULL); + png_push_have_row(png_ptr, NULL); png_read_push_finish_row(png_ptr); } if (png_ptr->pass == 4) /* Pass 3 might be empty */ { for (i = 0; i < 2 && png_ptr->pass == 4; i++) { - png_push_have_row(png_ptr, png_bytep_NULL); + png_push_have_row(png_ptr, NULL); png_read_push_finish_row(png_ptr); } } @@ -1014,9 +1009,9 @@ if (png_ptr->pass == 4) /* Skip top two generated rows */ { for (i = 0; i < 2 && png_ptr->pass == 4; i++) { - png_push_have_row(png_ptr, png_bytep_NULL); + png_push_have_row(png_ptr, NULL); png_read_push_finish_row(png_ptr); } } @@ -1034,15 +1029,15 @@ } for (i = 0; i < 2 && png_ptr->pass == 4; i++) { - png_push_have_row(png_ptr, png_bytep_NULL); + png_push_have_row(png_ptr, NULL); png_read_push_finish_row(png_ptr); } if (png_ptr->pass == 6) /* Pass 5 might be empty */ { - png_push_have_row(png_ptr, png_bytep_NULL); + png_push_have_row(png_ptr, NULL); png_read_push_finish_row(png_ptr); } break; @@ -1059,9 +1054,9 @@ } if (png_ptr->pass == 6) /* Skip top generated row */ { - png_push_have_row(png_ptr, png_bytep_NULL); + png_push_have_row(png_ptr, NULL); png_read_push_finish_row(png_ptr); } break; @@ -1073,9 +1068,9 @@ if (png_ptr->pass != 6) break; - png_push_have_row(png_ptr, png_bytep_NULL); + png_push_have_row(png_ptr, NULL); png_read_push_finish_row(png_ptr); } } } @@ -1089,9 +1084,8 @@ void /* PRIVATE */ png_read_push_finish_row(png_structp png_ptr) { -#ifdef PNG_USE_LOCAL_ARRAYS /* Arrays to facilitate easy interlacing - use pass (0 - 6) as index */ /* Start of interlace block */ PNG_CONST int FARDATA png_pass_start[] = {0, 4, 0, 2, 0, 1, 0}; @@ -1108,9 +1102,8 @@ /* Height of interlace block. This is not currently used - if you need * it, uncomment it here and in png.h PNG_CONST int FARDATA png_pass_height[] = {8, 8, 4, 4, 2, 2, 1}; */ -#endif png_ptr->row_number++; if (png_ptr->row_number < png_ptr->num_rows) return; @@ -1118,9 +1111,9 @@ #ifdef PNG_READ_INTERLACING_SUPPORTED if (png_ptr->interlaced) { png_ptr->row_number = 0; - png_memset_check(png_ptr, png_ptr->prev_row, 0, + png_memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1); do { png_ptr->pass++; @@ -1178,9 +1171,9 @@ } #endif png_ptr->current_text = (png_charp)png_malloc(png_ptr, - (png_uint_32)(length + 1)); + (png_size_t)(length + 1)); png_ptr->current_text[length] = '\0'; png_ptr->current_text_ptr = png_ptr->current_text; png_ptr->current_text_size = (png_size_t)length; png_ptr->current_text_left = (png_size_t)length; @@ -1232,9 +1225,9 @@ if (text < key + png_ptr->current_text_size) text++; text_ptr = (png_textp)png_malloc(png_ptr, - (png_uint_32)png_sizeof(png_text)); + png_sizeof(png_text)); text_ptr->compression = PNG_TEXT_COMPRESSION_NONE; text_ptr->key = key; #ifdef PNG_iTXt_SUPPORTED text_ptr->lang = NULL; @@ -1248,9 +1241,9 @@ png_free(png_ptr, text_ptr); png_ptr->current_text = NULL; if (ret) - png_warning(png_ptr, "Insufficient memory to store text chunk."); + png_warning(png_ptr, "Insufficient memory to store text chunk"); } } #endif @@ -1278,9 +1271,9 @@ } #endif png_ptr->current_text = (png_charp)png_malloc(png_ptr, - (png_uint_32)(length + 1)); + (png_size_t)(length + 1)); png_ptr->current_text[length] = '\0'; png_ptr->current_text_ptr = png_ptr->current_text; png_ptr->current_text_size = (png_size_t)length; png_ptr->current_text_left = (png_size_t)length; @@ -1371,9 +1364,9 @@ { if (text == NULL) { text = (png_charp)png_malloc(png_ptr, - (png_uint_32)(png_ptr->zbuf_size + (png_ptr->zbuf_size - png_ptr->zstream.avail_out + key_size + 1)); png_memcpy(text + key_size, png_ptr->zbuf, png_ptr->zbuf_size - png_ptr->zstream.avail_out); @@ -1390,9 +1383,9 @@ png_charp tmp; tmp = text; text = (png_charp)png_malloc(png_ptr, text_size + - (png_uint_32)(png_ptr->zbuf_size + (png_ptr->zbuf_size - png_ptr->zstream.avail_out + 1)); png_memcpy(text, tmp, text_size); png_free(png_ptr, tmp); @@ -1434,9 +1427,9 @@ key = text; text += key_size; text_ptr = (png_textp)png_malloc(png_ptr, - (png_uint_32)png_sizeof(png_text)); + png_sizeof(png_text)); text_ptr->compression = PNG_TEXT_COMPRESSION_zTXt; text_ptr->key = key; #ifdef PNG_iTXt_SUPPORTED text_ptr->lang = NULL; @@ -1449,9 +1442,9 @@ png_free(png_ptr, key); png_free(png_ptr, text_ptr); if (ret) - png_warning(png_ptr, "Insufficient memory to store text chunk."); + png_warning(png_ptr, "Insufficient memory to store text chunk"); } } #endif @@ -1477,9 +1470,9 @@ } #endif png_ptr->current_text = (png_charp)png_malloc(png_ptr, - (png_uint_32)(length + 1)); + (png_size_t)(length + 1)); png_ptr->current_text[length] = '\0'; png_ptr->current_text_ptr = png_ptr->current_text; png_ptr->current_text_size = (png_size_t)length; png_ptr->current_text_left = (png_size_t)length; @@ -1554,9 +1547,9 @@ if (text < key + png_ptr->current_text_size) text++; text_ptr = (png_textp)png_malloc(png_ptr, - (png_uint_32)png_sizeof(png_text)); + png_sizeof(png_text)); text_ptr->compression = comp_flag + 2; text_ptr->key = key; text_ptr->lang = lang; @@ -1570,9 +1563,9 @@ png_ptr->current_text = NULL; png_free(png_ptr, text_ptr); if (ret) - png_warning(png_ptr, "Insufficient memory to store iTXt chunk."); + png_warning(png_ptr, "Insufficient memory to store iTXt chunk"); } } #endif @@ -1625,9 +1618,9 @@ else { png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr, - (png_uint_32)length); + (png_size_t)length); png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length); } #ifdef PNG_READ_USER_CHUNKS_SUPPORTED @@ -1690,12 +1683,10 @@ void PNGAPI png_progressive_combine_row (png_structp png_ptr, png_bytep old_row, png_bytep new_row) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_CONST int FARDATA png_pass_dsp_mask[7] = {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff}; -#endif if (png_ptr == NULL) return; diff -ru4NwbB libpng-1.2.41beta18/pngpriv.h libpng-1.4.0beta98/pngpriv.h --- libpng-1.2.41beta18/pngpriv.h 1969-12-31 18:00:00.000000000 -0600 +++ libpng-1.4.0beta98/pngpriv.h 2009-11-13 05:18:10.386554637 -0600 @@ -0,0 +1,964 @@ + +/* pngpriv.h - private declarations for use inside libpng + * + * libpng version 1.4.0beta98 - November 13, 2009 + * For conditions of distribution and use, see copyright notice in png.h + * Copyright (c) 1998-2009 Glenn Randers-Pehrson + * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) + * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) + * + * This code is released under the libpng license. + * For conditions of distribution and use, see the disclaimer + * and license in png.h + */ + +/* The symbols declared in this file (including the functions declared + * as PNG_EXTERN) are PRIVATE. They are not part of the libpng public + * interface, and are not recommended for use by regular applications. + * Some of them may become public in the future; others may stay private, + * change in an incompatible way, or even disappear. + * Although the libpng users are not forbidden to include this header, + * they should be well aware of the issues that may arise from doing so. + */ + +#ifndef PNGPRIV_H +#define PNGPRIV_H + +#ifndef PNG_VERSION_INFO_ONLY + +#include + +/* The functions exported by PNG_EXTERN are internal functions, which + * aren't usually used outside the library (as far as I know), so it is + * debatable if they should be exported at all. In the future, when it + * is possible to have run-time registry of chunk-handling functions, + * some of these will be made available again. +#define PNG_EXTERN extern + */ +#define PNG_EXTERN + +/* Other defines specific to compilers can go here. Try to keep + * them inside an appropriate ifdef/endif pair for portability. + */ + +#ifdef PNG_FLOATING_POINT_SUPPORTED +# ifdef MACOS + /* We need to check that hasn't already been included earlier + * as it seems it doesn't agree with , yet we should really use + * if possible. + */ +# if !defined(__MATH_H__) && !defined(__MATH_H) && !defined(__cmath__) +# include +# endif +# else +# include +# endif +# if defined(_AMIGA) && defined(__SASC) && defined(_M68881) + /* Amiga SAS/C: We must include builtin FPU functions when compiling using + * MATH=68881 + */ +# include +# endif +#endif + +/* Codewarrior on NT has linking problems without this. */ +#if (defined(__MWERKS__) && defined(WIN32)) || defined(__STDC__) +# define PNG_ALWAYS_EXTERN +#endif + +/* This provides the non-ANSI (far) memory allocation routines. */ +#if defined(__TURBOC__) && defined(__MSDOS__) +# include +# include +#endif + +#if defined(WIN32) || defined(_Windows) || defined(_WINDOWS) || \ + defined(_WIN32) || defined(__WIN32__) +# include /* defines _WINDOWS_ macro */ +/* I have no idea why is this necessary... */ +# ifdef _MSC_VER +# include +# endif +#endif + +/* Various modes of operation. Note that after an init, mode is set to + * zero automatically when the structure is created. + */ +#define PNG_HAVE_IHDR 0x01 +#define PNG_HAVE_PLTE 0x02 +#define PNG_HAVE_IDAT 0x04 +#define PNG_AFTER_IDAT 0x08 /* Have complete zlib datastream */ +#define PNG_HAVE_IEND 0x10 +#define PNG_HAVE_gAMA 0x20 +#define PNG_HAVE_cHRM 0x40 +#define PNG_HAVE_sRGB 0x80 +#define PNG_HAVE_CHUNK_HEADER 0x100 +#define PNG_WROTE_tIME 0x200 +#define PNG_WROTE_INFO_BEFORE_PLTE 0x400 +#define PNG_BACKGROUND_IS_GRAY 0x800 +#define PNG_HAVE_PNG_SIGNATURE 0x1000 +#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */ + +/* Flags for the transformations the PNG library does on the image data */ +#define PNG_BGR 0x0001 +#define PNG_INTERLACE 0x0002 +#define PNG_PACK 0x0004 +#define PNG_SHIFT 0x0008 +#define PNG_SWAP_BYTES 0x0010 +#define PNG_INVERT_MONO 0x0020 +#define PNG_DITHER 0x0040 +#define PNG_BACKGROUND 0x0080 +#define PNG_BACKGROUND_EXPAND 0x0100 + /* 0x0200 unused */ +#define PNG_16_TO_8 0x0400 +#define PNG_RGBA 0x0800 +#define PNG_EXPAND 0x1000 +#define PNG_GAMMA 0x2000 +#define PNG_GRAY_TO_RGB 0x4000 +#define PNG_FILLER 0x8000L +#define PNG_PACKSWAP 0x10000L +#define PNG_SWAP_ALPHA 0x20000L +#define PNG_STRIP_ALPHA 0x40000L +#define PNG_INVERT_ALPHA 0x80000L +#define PNG_USER_TRANSFORM 0x100000L +#define PNG_RGB_TO_GRAY_ERR 0x200000L +#define PNG_RGB_TO_GRAY_WARN 0x400000L +#define PNG_RGB_TO_GRAY 0x600000L /* two bits, RGB_TO_GRAY_ERR|WARN */ + /* 0x800000L Unused */ +#define PNG_ADD_ALPHA 0x1000000L /* Added to libpng-1.2.7 */ +#define PNG_EXPAND_tRNS 0x2000000L /* Added to libpng-1.2.9 */ +#define PNG_PREMULTIPLY_ALPHA 0x4000000L /* Added to libpng-1.4.0 */ + /* by volker */ + /* 0x8000000L unused */ + /* 0x10000000L unused */ + /* 0x20000000L unused */ + /* 0x40000000L unused */ + +/* Flags for png_create_struct */ +#define PNG_STRUCT_PNG 0x0001 +#define PNG_STRUCT_INFO 0x0002 + +/* Scaling factor for filter heuristic weighting calculations */ +#define PNG_WEIGHT_SHIFT 8 +#define PNG_WEIGHT_FACTOR (1<<(PNG_WEIGHT_SHIFT)) +#define PNG_COST_SHIFT 3 +#define PNG_COST_FACTOR (1<<(PNG_COST_SHIFT)) + +/* Flags for the png_ptr->flags rather than declaring a byte for each one */ +#define PNG_FLAG_ZLIB_CUSTOM_STRATEGY 0x0001 +#define PNG_FLAG_ZLIB_CUSTOM_LEVEL 0x0002 +#define PNG_FLAG_ZLIB_CUSTOM_MEM_LEVEL 0x0004 +#define PNG_FLAG_ZLIB_CUSTOM_WINDOW_BITS 0x0008 +#define PNG_FLAG_ZLIB_CUSTOM_METHOD 0x0010 +#define PNG_FLAG_ZLIB_FINISHED 0x0020 +#define PNG_FLAG_ROW_INIT 0x0040 +#define PNG_FLAG_FILLER_AFTER 0x0080 +#define PNG_FLAG_CRC_ANCILLARY_USE 0x0100 +#define PNG_FLAG_CRC_ANCILLARY_NOWARN 0x0200 +#define PNG_FLAG_CRC_CRITICAL_USE 0x0400 +#define PNG_FLAG_CRC_CRITICAL_IGNORE 0x0800 + /* 0x1000 unused */ + /* 0x2000 unused */ + /* 0x4000 unused */ +#define PNG_FLAG_KEEP_UNKNOWN_CHUNKS 0x8000L +#define PNG_FLAG_KEEP_UNSAFE_CHUNKS 0x10000L +#define PNG_FLAG_LIBRARY_MISMATCH 0x20000L +#define PNG_FLAG_STRIP_ERROR_NUMBERS 0x40000L +#define PNG_FLAG_STRIP_ERROR_TEXT 0x80000L +#define PNG_FLAG_MALLOC_NULL_MEM_OK 0x100000L +#define PNG_FLAG_ADD_ALPHA 0x200000L /* Added to libpng-1.2.8 */ +#define PNG_FLAG_STRIP_ALPHA 0x400000L /* Added to libpng-1.2.8 */ +#define PNG_FLAG_BENIGN_ERRORS_WARN 0x800000L /* Added to libpng-1.4.0 */ + /* 0x1000000L unused */ + /* 0x2000000L unused */ + /* 0x4000000L unused */ + /* 0x8000000L unused */ + /* 0x10000000L unused */ + /* 0x20000000L unused */ + /* 0x40000000L unused */ + +#define PNG_FLAG_CRC_ANCILLARY_MASK (PNG_FLAG_CRC_ANCILLARY_USE | \ + PNG_FLAG_CRC_ANCILLARY_NOWARN) + +#define PNG_FLAG_CRC_CRITICAL_MASK (PNG_FLAG_CRC_CRITICAL_USE | \ + PNG_FLAG_CRC_CRITICAL_IGNORE) + +#define PNG_FLAG_CRC_MASK (PNG_FLAG_CRC_ANCILLARY_MASK | \ + PNG_FLAG_CRC_CRITICAL_MASK) + +/* Save typing and make code easier to understand */ + +#define PNG_COLOR_DIST(c1, c2) (abs((int)((c1).red) - (int)((c2).red)) + \ + abs((int)((c1).green) - (int)((c2).green)) + \ + abs((int)((c1).blue) - (int)((c2).blue))) + +/* Added to libpng-1.2.6 JB */ +#define PNG_ROWBYTES(pixel_bits, width) \ + ((pixel_bits) >= 8 ? \ + ((png_size_t)(width) * (((png_size_t)(pixel_bits)) >> 3)) : \ + (( ((png_size_t)(width) * ((png_size_t)(pixel_bits))) + 7) >> 3) ) + +/* PNG_OUT_OF_RANGE returns true if value is outside the range + * ideal-delta..ideal+delta. Each argument is evaluated twice. + * "ideal" and "delta" should be constants, normally simple + * integers, "value" a variable. Added to libpng-1.2.6 JB + */ +#define PNG_OUT_OF_RANGE(value, ideal, delta) \ + ( (value) < (ideal)-(delta) || (value) > (ideal)+(delta) ) + +/* Constant strings for known chunk types. If you need to add a chunk, + * define the name here, and add an invocation of the macro wherever it's + * needed. + */ +#define PNG_IHDR PNG_CONST png_byte png_IHDR[5] = { 73, 72, 68, 82, '\0'} +#define PNG_IDAT PNG_CONST png_byte png_IDAT[5] = { 73, 68, 65, 84, '\0'} +#define PNG_IEND PNG_CONST png_byte png_IEND[5] = { 73, 69, 78, 68, '\0'} +#define PNG_PLTE PNG_CONST png_byte png_PLTE[5] = { 80, 76, 84, 69, '\0'} +#define PNG_bKGD PNG_CONST png_byte png_bKGD[5] = { 98, 75, 71, 68, '\0'} +#define PNG_cHRM PNG_CONST png_byte png_cHRM[5] = { 99, 72, 82, 77, '\0'} +#define PNG_gAMA PNG_CONST png_byte png_gAMA[5] = {103, 65, 77, 65, '\0'} +#define PNG_hIST PNG_CONST png_byte png_hIST[5] = {104, 73, 83, 84, '\0'} +#define PNG_iCCP PNG_CONST png_byte png_iCCP[5] = {105, 67, 67, 80, '\0'} +#define PNG_iTXt PNG_CONST png_byte png_iTXt[5] = {105, 84, 88, 116, '\0'} +#define PNG_oFFs PNG_CONST png_byte png_oFFs[5] = {111, 70, 70, 115, '\0'} +#define PNG_pCAL PNG_CONST png_byte png_pCAL[5] = {112, 67, 65, 76, '\0'} +#define PNG_sCAL PNG_CONST png_byte png_sCAL[5] = {115, 67, 65, 76, '\0'} +#define PNG_pHYs PNG_CONST png_byte png_pHYs[5] = {112, 72, 89, 115, '\0'} +#define PNG_sBIT PNG_CONST png_byte png_sBIT[5] = {115, 66, 73, 84, '\0'} +#define PNG_sPLT PNG_CONST png_byte png_sPLT[5] = {115, 80, 76, 84, '\0'} +#define PNG_sRGB PNG_CONST png_byte png_sRGB[5] = {115, 82, 71, 66, '\0'} +#define PNG_sTER PNG_CONST png_byte png_sTER[5] = {115, 84, 69, 82, '\0'} +#define PNG_tEXt PNG_CONST png_byte png_tEXt[5] = {116, 69, 88, 116, '\0'} +#define PNG_tIME PNG_CONST png_byte png_tIME[5] = {116, 73, 77, 69, '\0'} +#define PNG_tRNS PNG_CONST png_byte png_tRNS[5] = {116, 82, 78, 83, '\0'} +#define PNG_zTXt PNG_CONST png_byte png_zTXt[5] = {122, 84, 88, 116, '\0'} + + +/* Inhibit C++ name-mangling for libpng functions but not for system calls. */ +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* These functions are used internally in the code. They generally + * shouldn't be used unless you are writing code to add or replace some + * functionality in libpng. More information about most functions can + * be found in the files where the functions are located. + */ + +/* Allocate memory for an internal libpng struct */ +PNG_EXTERN png_voidp png_create_struct PNGARG((int type)); + +/* Free memory from internal libpng struct */ +PNG_EXTERN void png_destroy_struct PNGARG((png_voidp struct_ptr)); + +PNG_EXTERN png_voidp png_create_struct_2 PNGARG((int type, png_malloc_ptr + malloc_fn, png_voidp mem_ptr)); +PNG_EXTERN void png_destroy_struct_2 PNGARG((png_voidp struct_ptr, + png_free_ptr free_fn, png_voidp mem_ptr)); + +/* Free any memory that info_ptr points to and reset struct. */ +PNG_EXTERN void png_info_destroy PNGARG((png_structp png_ptr, + png_infop info_ptr)); + +/* Function to allocate memory for zlib. PNGAPI is disallowed. */ +PNG_EXTERN voidpf png_zalloc PNGARG((voidpf png_ptr, uInt items, uInt size)); + +/* Function to free memory for zlib. PNGAPI is disallowed. */ +PNG_EXTERN void png_zfree PNGARG((voidpf png_ptr, voidpf ptr)); + +/* Next four functions are used internally as callbacks. PNGAPI is required + * but not PNG_EXPORT. PNGAPI added at libpng version 1.2.3. */ + +PNG_EXTERN void PNGAPI png_default_read_data PNGARG((png_structp png_ptr, + png_bytep data, png_size_t length)); + +#ifdef PNG_PROGRESSIVE_READ_SUPPORTED +PNG_EXTERN void PNGAPI png_push_fill_buffer PNGARG((png_structp png_ptr, + png_bytep buffer, png_size_t length)); +#endif + +PNG_EXTERN void PNGAPI png_default_write_data PNGARG((png_structp png_ptr, + png_bytep data, png_size_t length)); + +#ifdef PNG_WRITE_FLUSH_SUPPORTED +#ifdef PNG_STDIO_SUPPORTED +PNG_EXTERN void PNGAPI png_default_flush PNGARG((png_structp png_ptr)); +#endif +#endif + +/* Reset the CRC variable */ +PNG_EXTERN void png_reset_crc PNGARG((png_structp png_ptr)); + +/* Write the "data" buffer to whatever output you are using */ +PNG_EXTERN void png_write_data PNGARG((png_structp png_ptr, png_bytep data, + png_size_t length)); + +/* Read the chunk header (length + type name) */ +PNG_EXTERN png_uint_32 png_read_chunk_header PNGARG((png_structp png_ptr)); + +/* Read data from whatever input you are using into the "data" buffer */ +PNG_EXTERN void png_read_data PNGARG((png_structp png_ptr, png_bytep data, + png_size_t length)); + +/* Read bytes into buf, and update png_ptr->crc */ +PNG_EXTERN void png_crc_read PNGARG((png_structp png_ptr, png_bytep buf, + png_size_t length)); + +/* Decompress data in a chunk that uses compression */ +#if defined(PNG_zTXt_SUPPORTED) || defined(PNG_iTXt_SUPPORTED) || \ + defined(PNG_iCCP_SUPPORTED) || defined(PNG_sPLT_SUPPORTED) +PNG_EXTERN void png_decompress_chunk PNGARG((png_structp png_ptr, + int comp_type, png_size_t chunklength, png_size_t prefix_length, + png_size_t *data_length)); +#endif + +/* Read "skip" bytes, read the file crc, and (optionally) verify png_ptr->crc */ +PNG_EXTERN int png_crc_finish PNGARG((png_structp png_ptr, png_uint_32 skip)); + +/* Read the CRC from the file and compare it to the libpng calculated CRC */ +PNG_EXTERN int png_crc_error PNGARG((png_structp png_ptr)); + +/* Calculate the CRC over a section of data. Note that we are only + * passing a maximum of 64K on systems that have this as a memory limit, + * since this is the maximum buffer size we can specify. + */ +PNG_EXTERN void png_calculate_crc PNGARG((png_structp png_ptr, png_bytep ptr, + png_size_t length)); + +#ifdef PNG_WRITE_FLUSH_SUPPORTED +PNG_EXTERN void png_flush PNGARG((png_structp png_ptr)); +#endif + +/* Write various chunks */ + +/* Write the IHDR chunk, and update the png_struct with the necessary + * information. + */ +PNG_EXTERN void png_write_IHDR PNGARG((png_structp png_ptr, png_uint_32 width, + png_uint_32 height, + int bit_depth, int color_type, int compression_method, int filter_method, + int interlace_method)); + +PNG_EXTERN void png_write_PLTE PNGARG((png_structp png_ptr, png_colorp palette, + png_uint_32 num_pal)); + +PNG_EXTERN void png_write_IDAT PNGARG((png_structp png_ptr, png_bytep data, + png_size_t length)); + +PNG_EXTERN void png_write_IEND PNGARG((png_structp png_ptr)); + +#ifdef PNG_WRITE_gAMA_SUPPORTED +#ifdef PNG_FLOATING_POINT_SUPPORTED +PNG_EXTERN void png_write_gAMA PNGARG((png_structp png_ptr, double file_gamma)); +#endif +#ifdef PNG_FIXED_POINT_SUPPORTED +PNG_EXTERN void png_write_gAMA_fixed PNGARG((png_structp png_ptr, png_fixed_point + file_gamma)); +#endif +#endif + +#ifdef PNG_WRITE_sBIT_SUPPORTED +PNG_EXTERN void png_write_sBIT PNGARG((png_structp png_ptr, png_color_8p sbit, + int color_type)); +#endif + +#ifdef PNG_WRITE_cHRM_SUPPORTED +#ifdef PNG_FLOATING_POINT_SUPPORTED +PNG_EXTERN void png_write_cHRM PNGARG((png_structp png_ptr, + double white_x, double white_y, + double red_x, double red_y, double green_x, double green_y, + double blue_x, double blue_y)); +#endif +PNG_EXTERN void png_write_cHRM_fixed PNGARG((png_structp png_ptr, + png_fixed_point int_white_x, png_fixed_point int_white_y, + png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point + int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x, + png_fixed_point int_blue_y)); +#endif + +#ifdef PNG_WRITE_sRGB_SUPPORTED +PNG_EXTERN void png_write_sRGB PNGARG((png_structp png_ptr, + int intent)); +#endif + +#ifdef PNG_WRITE_iCCP_SUPPORTED +PNG_EXTERN void png_write_iCCP PNGARG((png_structp png_ptr, + png_charp name, int compression_type, + png_charp profile, int proflen)); + /* Note to maintainer: profile should be png_bytep */ +#endif + +#ifdef PNG_WRITE_sPLT_SUPPORTED +PNG_EXTERN void png_write_sPLT PNGARG((png_structp png_ptr, + png_sPLT_tp palette)); +#endif + +#ifdef PNG_WRITE_tRNS_SUPPORTED +PNG_EXTERN void png_write_tRNS PNGARG((png_structp png_ptr, png_bytep trans, + png_color_16p values, int number, int color_type)); +#endif + +#ifdef PNG_WRITE_bKGD_SUPPORTED +PNG_EXTERN void png_write_bKGD PNGARG((png_structp png_ptr, + png_color_16p values, int color_type)); +#endif + +#ifdef PNG_WRITE_hIST_SUPPORTED +PNG_EXTERN void png_write_hIST PNGARG((png_structp png_ptr, png_uint_16p hist, + int num_hist)); +#endif + +#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_pCAL_SUPPORTED) || \ + defined(PNG_WRITE_iCCP_SUPPORTED) || defined(PNG_WRITE_sPLT_SUPPORTED) +PNG_EXTERN png_size_t png_check_keyword PNGARG((png_structp png_ptr, + png_charp key, png_charpp new_key)); +#endif + +#ifdef PNG_WRITE_tEXt_SUPPORTED +PNG_EXTERN void png_write_tEXt PNGARG((png_structp png_ptr, png_charp key, + png_charp text, png_size_t text_len)); +#endif + +#ifdef PNG_WRITE_zTXt_SUPPORTED +PNG_EXTERN void png_write_zTXt PNGARG((png_structp png_ptr, png_charp key, + png_charp text, png_size_t text_len, int compression)); +#endif + +#ifdef PNG_WRITE_iTXt_SUPPORTED +PNG_EXTERN void png_write_iTXt PNGARG((png_structp png_ptr, + int compression, png_charp key, png_charp lang, png_charp lang_key, + png_charp text)); +#endif + +#ifdef PNG_TEXT_SUPPORTED /* Added at version 1.0.14 and 1.2.4 */ +PNG_EXTERN int png_set_text_2 PNGARG((png_structp png_ptr, + png_infop info_ptr, png_textp text_ptr, int num_text)); +#endif + +#ifdef PNG_WRITE_oFFs_SUPPORTED +PNG_EXTERN void png_write_oFFs PNGARG((png_structp png_ptr, + png_int_32 x_offset, png_int_32 y_offset, int unit_type)); +#endif + +#ifdef PNG_WRITE_pCAL_SUPPORTED +PNG_EXTERN void png_write_pCAL PNGARG((png_structp png_ptr, png_charp purpose, + png_int_32 X0, png_int_32 X1, int type, int nparams, + png_charp units, png_charpp params)); +#endif + +#ifdef PNG_WRITE_pHYs_SUPPORTED +PNG_EXTERN void png_write_pHYs PNGARG((png_structp png_ptr, + png_uint_32 x_pixels_per_unit, png_uint_32 y_pixels_per_unit, + int unit_type)); +#endif + +#ifdef PNG_WRITE_tIME_SUPPORTED +PNG_EXTERN void png_write_tIME PNGARG((png_structp png_ptr, + png_timep mod_time)); +#endif + +#ifdef PNG_WRITE_sCAL_SUPPORTED +#if defined(PNG_FLOATING_POINT_SUPPORTED) && defined(PNG_STDIO_SUPPORTED) +PNG_EXTERN void png_write_sCAL PNGARG((png_structp png_ptr, + int unit, double width, double height)); +#else +#ifdef PNG_FIXED_POINT_SUPPORTED +PNG_EXTERN void png_write_sCAL_s PNGARG((png_structp png_ptr, + int unit, png_charp width, png_charp height)); +#endif +#endif +#endif + +/* Called when finished processing a row of data */ +PNG_EXTERN void png_write_finish_row PNGARG((png_structp png_ptr)); + +/* Internal use only. Called before first row of data */ +PNG_EXTERN void png_write_start_row PNGARG((png_structp png_ptr)); + +#ifdef PNG_READ_GAMMA_SUPPORTED +PNG_EXTERN void png_build_gamma_table PNGARG((png_structp png_ptr)); +#endif + +/* Combine a row of data, dealing with alpha, etc. if requested */ +PNG_EXTERN void png_combine_row PNGARG((png_structp png_ptr, png_bytep row, + int mask)); + +#ifdef PNG_READ_INTERLACING_SUPPORTED +/* Expand an interlaced row */ +/* OLD pre-1.0.9 interface: +PNG_EXTERN void png_do_read_interlace PNGARG((png_row_infop row_info, + png_bytep row, int pass, png_uint_32 transformations)); + */ +PNG_EXTERN void png_do_read_interlace PNGARG((png_structp png_ptr)); +#endif + +/* GRR TO DO (2.0 or whenever): simplify other internal calling interfaces */ + +#ifdef PNG_WRITE_INTERLACING_SUPPORTED +/* Grab pixels out of a row for an interlaced pass */ +PNG_EXTERN void png_do_write_interlace PNGARG((png_row_infop row_info, + png_bytep row, int pass)); +#endif + +/* Unfilter a row */ +PNG_EXTERN void png_read_filter_row PNGARG((png_structp png_ptr, + png_row_infop row_info, png_bytep row, png_bytep prev_row, int filter)); + +/* Choose the best filter to use and filter the row data */ +PNG_EXTERN void png_write_find_filter PNGARG((png_structp png_ptr, + png_row_infop row_info)); + +/* Write out the filtered row. */ +PNG_EXTERN void png_write_filtered_row PNGARG((png_structp png_ptr, + png_bytep filtered_row)); +/* Finish a row while reading, dealing with interlacing passes, etc. */ +PNG_EXTERN void png_read_finish_row PNGARG((png_structp png_ptr)); + +/* Initialize the row buffers, etc. */ +PNG_EXTERN void png_read_start_row PNGARG((png_structp png_ptr)); +/* Optional call to update the users info structure */ +PNG_EXTERN void png_read_transform_info PNGARG((png_structp png_ptr, + png_infop info_ptr)); + +/* These are the functions that do the transformations */ +#ifdef PNG_READ_FILLER_SUPPORTED +PNG_EXTERN void png_do_read_filler PNGARG((png_row_infop row_info, + png_bytep row, png_uint_32 filler, png_uint_32 flags)); +#endif + +#ifdef PNG_READ_SWAP_ALPHA_SUPPORTED +PNG_EXTERN void png_do_read_swap_alpha PNGARG((png_row_infop row_info, + png_bytep row)); +#endif + +#ifdef PNG_WRITE_SWAP_ALPHA_SUPPORTED +PNG_EXTERN void png_do_write_swap_alpha PNGARG((png_row_infop row_info, + png_bytep row)); +#endif + +#ifdef PNG_READ_INVERT_ALPHA_SUPPORTED +PNG_EXTERN void png_do_read_invert_alpha PNGARG((png_row_infop row_info, + png_bytep row)); +#endif + +#ifdef PNG_WRITE_INVERT_ALPHA_SUPPORTED +PNG_EXTERN void png_do_write_invert_alpha PNGARG((png_row_infop row_info, + png_bytep row)); +#endif + +#if defined(PNG_WRITE_FILLER_SUPPORTED) || \ + defined(PNG_READ_STRIP_ALPHA_SUPPORTED) +PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info, + png_bytep row, png_uint_32 flags)); +#endif + +#ifdef PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED +PNG_EXTERN void png_do_read_premultiply_alpha + PNGARG((png_row_infop row_info, png_bytep row)); +#endif + +#if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED) +PNG_EXTERN void png_do_swap PNGARG((png_row_infop row_info, png_bytep row)); +#endif + +#if defined(PNG_READ_PACKSWAP_SUPPORTED) || defined(PNG_WRITE_PACKSWAP_SUPPORTED) +PNG_EXTERN void png_do_packswap PNGARG((png_row_infop row_info, png_bytep row)); +#endif + +#ifdef PNG_READ_RGB_TO_GRAY_SUPPORTED +PNG_EXTERN int png_do_rgb_to_gray PNGARG((png_structp png_ptr, png_row_infop + row_info, png_bytep row)); +#endif + +#ifdef PNG_READ_GRAY_TO_RGB_SUPPORTED +PNG_EXTERN void png_do_gray_to_rgb PNGARG((png_row_infop row_info, + png_bytep row)); +#endif + +#ifdef PNG_READ_PACK_SUPPORTED +PNG_EXTERN void png_do_unpack PNGARG((png_row_infop row_info, png_bytep row)); +#endif + +#ifdef PNG_READ_SHIFT_SUPPORTED +PNG_EXTERN void png_do_unshift PNGARG((png_row_infop row_info, png_bytep row, + png_color_8p sig_bits)); +#endif + +#if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED) +PNG_EXTERN void png_do_invert PNGARG((png_row_infop row_info, png_bytep row)); +#endif + +#ifdef PNG_READ_16_TO_8_SUPPORTED +PNG_EXTERN void png_do_chop PNGARG((png_row_infop row_info, png_bytep row)); +#endif + +#ifdef PNG_READ_DITHER_SUPPORTED +PNG_EXTERN void png_do_dither PNGARG((png_row_infop row_info, + png_bytep row, png_bytep palette_lookup, png_bytep dither_lookup)); + +# ifdef PNG_CORRECT_PALETTE_SUPPORTED +PNG_EXTERN void png_correct_palette PNGARG((png_structp png_ptr, + png_colorp palette, int num_palette)); +# endif +#endif + +#if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) +PNG_EXTERN void png_do_bgr PNGARG((png_row_infop row_info, png_bytep row)); +#endif + +#ifdef PNG_WRITE_PACK_SUPPORTED +PNG_EXTERN void png_do_pack PNGARG((png_row_infop row_info, + png_bytep row, png_uint_32 bit_depth)); +#endif + +#ifdef PNG_WRITE_SHIFT_SUPPORTED +PNG_EXTERN void png_do_shift PNGARG((png_row_infop row_info, png_bytep row, + png_color_8p bit_depth)); +#endif + +#ifdef PNG_READ_BACKGROUND_SUPPORTED +#ifdef PNG_READ_GAMMA_SUPPORTED +PNG_EXTERN void png_do_background PNGARG((png_row_infop row_info, png_bytep row, + png_color_16p trans_color, png_color_16p background, + png_color_16p background_1, + png_bytep gamma_table, png_bytep gamma_from_1, png_bytep gamma_to_1, + png_uint_16pp gamma_16, png_uint_16pp gamma_16_from_1, + png_uint_16pp gamma_16_to_1, int gamma_shift)); +#else +PNG_EXTERN void png_do_background PNGARG((png_row_infop row_info, png_bytep row, + png_color_16p trans_color, png_color_16p background)); +#endif +#endif + +#ifdef PNG_READ_GAMMA_SUPPORTED +PNG_EXTERN void png_do_gamma PNGARG((png_row_infop row_info, png_bytep row, + png_bytep gamma_table, png_uint_16pp gamma_16_table, + int gamma_shift)); +#endif + +#ifdef PNG_READ_EXPAND_SUPPORTED +PNG_EXTERN void png_do_expand_palette PNGARG((png_row_infop row_info, + png_bytep row, png_colorp palette, png_bytep trans, int num_trans)); +PNG_EXTERN void png_do_expand PNGARG((png_row_infop row_info, + png_bytep row, png_color_16p trans_value)); +#endif + +/* The following decodes the appropriate chunks, and does error correction, + * then calls the appropriate callback for the chunk if it is valid. + */ + +/* Decode the IHDR chunk */ +PNG_EXTERN void png_handle_IHDR PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +PNG_EXTERN void png_handle_PLTE PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +PNG_EXTERN void png_handle_IEND PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); + +#ifdef PNG_READ_bKGD_SUPPORTED +PNG_EXTERN void png_handle_bKGD PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_cHRM_SUPPORTED +PNG_EXTERN void png_handle_cHRM PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_gAMA_SUPPORTED +PNG_EXTERN void png_handle_gAMA PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_hIST_SUPPORTED +PNG_EXTERN void png_handle_hIST PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_iCCP_SUPPORTED +extern void png_handle_iCCP PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif /* PNG_READ_iCCP_SUPPORTED */ + +#ifdef PNG_READ_iTXt_SUPPORTED +PNG_EXTERN void png_handle_iTXt PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_oFFs_SUPPORTED +PNG_EXTERN void png_handle_oFFs PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_pCAL_SUPPORTED +PNG_EXTERN void png_handle_pCAL PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_pHYs_SUPPORTED +PNG_EXTERN void png_handle_pHYs PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_sBIT_SUPPORTED +PNG_EXTERN void png_handle_sBIT PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_sCAL_SUPPORTED +PNG_EXTERN void png_handle_sCAL PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_sPLT_SUPPORTED +extern void png_handle_sPLT PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif /* PNG_READ_sPLT_SUPPORTED */ + +#ifdef PNG_READ_sRGB_SUPPORTED +PNG_EXTERN void png_handle_sRGB PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_tEXt_SUPPORTED +PNG_EXTERN void png_handle_tEXt PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_tIME_SUPPORTED +PNG_EXTERN void png_handle_tIME PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_tRNS_SUPPORTED +PNG_EXTERN void png_handle_tRNS PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +#ifdef PNG_READ_zTXt_SUPPORTED +PNG_EXTERN void png_handle_zTXt PNGARG((png_structp png_ptr, png_infop info_ptr, + png_uint_32 length)); +#endif + +PNG_EXTERN void png_handle_unknown PNGARG((png_structp png_ptr, + png_infop info_ptr, png_uint_32 length)); + +PNG_EXTERN void png_check_chunk_name PNGARG((png_structp png_ptr, + png_bytep chunk_name)); + +/* Handle the transformations for reading and writing */ +PNG_EXTERN void png_do_read_transformations PNGARG((png_structp png_ptr)); +PNG_EXTERN void png_do_write_transformations PNGARG((png_structp png_ptr)); + +PNG_EXTERN void png_init_read_transformations PNGARG((png_structp png_ptr)); + +#ifdef PNG_PROGRESSIVE_READ_SUPPORTED +PNG_EXTERN void png_push_read_chunk PNGARG((png_structp png_ptr, + png_infop info_ptr)); +PNG_EXTERN void png_push_read_sig PNGARG((png_structp png_ptr, + png_infop info_ptr)); +PNG_EXTERN void png_push_check_crc PNGARG((png_structp png_ptr)); +PNG_EXTERN void png_push_crc_skip PNGARG((png_structp png_ptr, + png_uint_32 length)); +PNG_EXTERN void png_push_crc_finish PNGARG((png_structp png_ptr)); +PNG_EXTERN void png_push_save_buffer PNGARG((png_structp png_ptr)); +PNG_EXTERN void png_push_restore_buffer PNGARG((png_structp png_ptr, + png_bytep buffer, png_size_t buffer_length)); +PNG_EXTERN void png_push_read_IDAT PNGARG((png_structp png_ptr)); +PNG_EXTERN void png_process_IDAT_data PNGARG((png_structp png_ptr, + png_bytep buffer, png_size_t buffer_length)); +PNG_EXTERN void png_push_process_row PNGARG((png_structp png_ptr)); +PNG_EXTERN void png_push_handle_unknown PNGARG((png_structp png_ptr, + png_infop info_ptr, png_uint_32 length)); +PNG_EXTERN void png_push_have_info PNGARG((png_structp png_ptr, + png_infop info_ptr)); +PNG_EXTERN void png_push_have_end PNGARG((png_structp png_ptr, + png_infop info_ptr)); +PNG_EXTERN void png_push_have_row PNGARG((png_structp png_ptr, png_bytep row)); +PNG_EXTERN void png_push_read_end PNGARG((png_structp png_ptr, + png_infop info_ptr)); +PNG_EXTERN void png_process_some_data PNGARG((png_structp png_ptr, + png_infop info_ptr)); +PNG_EXTERN void png_read_push_finish_row PNGARG((png_structp png_ptr)); +#ifdef PNG_READ_tEXt_SUPPORTED +PNG_EXTERN void png_push_handle_tEXt PNGARG((png_structp png_ptr, + png_infop info_ptr, png_uint_32 length)); +PNG_EXTERN void png_push_read_tEXt PNGARG((png_structp png_ptr, + png_infop info_ptr)); +#endif +#ifdef PNG_READ_zTXt_SUPPORTED +PNG_EXTERN void png_push_handle_zTXt PNGARG((png_structp png_ptr, + png_infop info_ptr, png_uint_32 length)); +PNG_EXTERN void png_push_read_zTXt PNGARG((png_structp png_ptr, + png_infop info_ptr)); +#endif +#ifdef PNG_READ_iTXt_SUPPORTED +PNG_EXTERN void png_push_handle_iTXt PNGARG((png_structp png_ptr, + png_infop info_ptr, png_uint_32 length)); +PNG_EXTERN void png_push_read_iTXt PNGARG((png_structp png_ptr, + png_infop info_ptr)); +#endif + +#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ + +#ifdef PNG_MNG_FEATURES_SUPPORTED +PNG_EXTERN void png_do_read_intrapixel PNGARG((png_row_infop row_info, + png_bytep row)); +PNG_EXTERN void png_do_write_intrapixel PNGARG((png_row_infop row_info, + png_bytep row)); +#endif + +/* Added at libpng version 1.4.0 */ +#ifdef PNG_cHRM_SUPPORTED +PNG_EXTERN int png_check_cHRM_fixed PNGARG((png_structp png_ptr, + png_fixed_point int_white_x, png_fixed_point int_white_y, + png_fixed_point int_red_x, png_fixed_point int_red_y, png_fixed_point + int_green_x, png_fixed_point int_green_y, png_fixed_point int_blue_x, + png_fixed_point int_blue_y)); +#endif + +#ifdef PNG_cHRM_SUPPORTED +#ifdef PNG_CHECK_cHRM_SUPPORTED +/* Added at libpng version 1.2.34 and 1.4.0 */ +PNG_EXTERN void png_64bit_product PNGARG((long v1, long v2, + unsigned long *hi_product, unsigned long *lo_product)); +#endif +#endif + +/* Added at libpng version 1.4.0 */ +PNG_EXTERN void png_check_IHDR PNGARG((png_structp png_ptr, + png_uint_32 width, png_uint_32 height, int bit_depth, + int color_type, int interlace_type, int compression_type, + int filter_type)); + +/* Free all memory used by the read (old method - NOT DLL EXPORTED) */ +extern void png_read_destroy PNGARG((png_structp png_ptr, png_infop info_ptr, + png_infop end_info_ptr)); + +/* Free any memory used in png_ptr struct (old method - NOT DLL EXPORTED) */ +extern void png_write_destroy PNGARG((png_structp png_ptr)); + +#ifdef USE_FAR_KEYWORD /* memory model conversion function */ +extern void *png_far_to_near PNGARG((png_structp png_ptr,png_voidp ptr, + int check)); +#endif /* USE_FAR_KEYWORD */ + +/* Define PNG_DEBUG at compile time for debugging information. Higher + * numbers for PNG_DEBUG mean more debugging information. This has + * only been added since version 0.95 so it is not implemented throughout + * libpng yet, but more support will be added as needed. + */ +#ifdef PNG_DEBUG +#if (PNG_DEBUG > 0) +#if !defined(PNG_DEBUG_FILE) && defined(_MSC_VER) +#include +#if (PNG_DEBUG > 1) +#ifndef _DEBUG +# define _DEBUG +#endif +#ifndef png_debug +#define png_debug(l,m) _RPT0(_CRT_WARN,m PNG_STRING_NEWLINE) +#endif +#ifndef png_debug1 +#define png_debug1(l,m,p1) _RPT1(_CRT_WARN,m PNG_STRING_NEWLINE,p1) +#endif +#ifndef png_debug2 +#define png_debug2(l,m,p1,p2) _RPT2(_CRT_WARN,m PNG_STRING_NEWLINE,p1,p2) +#endif +#endif +#else /* PNG_DEBUG_FILE || !_MSC_VER */ +#ifndef PNG_DEBUG_FILE +#define PNG_DEBUG_FILE stderr +#endif /* PNG_DEBUG_FILE */ + +#if (PNG_DEBUG > 1) +/* Note: ["%s"m PNG_STRING_NEWLINE] probably does not work on + * non-ISO compilers + */ +# ifdef __STDC__ +# ifndef png_debug +# define png_debug(l,m) \ + { \ + int num_tabs=l; \ + fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \ + (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":"")))); \ + } +# endif +# ifndef png_debug1 +# define png_debug1(l,m,p1) \ + { \ + int num_tabs=l; \ + fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \ + (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1); \ + } +# endif +# ifndef png_debug2 +# define png_debug2(l,m,p1,p2) \ + { \ + int num_tabs=l; \ + fprintf(PNG_DEBUG_FILE,"%s"m PNG_STRING_NEWLINE,(num_tabs==1 ? "\t" : \ + (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))),p1,p2); \ + } +# endif +# else /* __STDC __ */ +# ifndef png_debug +# define png_debug(l,m) \ + { \ + int num_tabs=l; \ + char format[256]; \ + snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \ + (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \ + m,PNG_STRING_NEWLINE); \ + fprintf(PNG_DEBUG_FILE,format); \ + } +# endif +# ifndef png_debug1 +# define png_debug1(l,m,p1) \ + { \ + int num_tabs=l; \ + char format[256]; \ + snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \ + (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \ + m,PNG_STRING_NEWLINE); \ + fprintf(PNG_DEBUG_FILE,format,p1); \ + } +# endif +# ifndef png_debug2 +# define png_debug2(l,m,p1,p2) \ + { \ + int num_tabs=l; \ + char format[256]; \ + snprintf(format,256,"%s%s%s",(num_tabs==1 ? "\t" : \ + (num_tabs==2 ? "\t\t":(num_tabs>2 ? "\t\t\t":""))), \ + m,PNG_STRING_NEWLINE); \ + fprintf(PNG_DEBUG_FILE,format,p1,p2); \ + } +# endif +# endif /* __STDC __ */ +#endif /* (PNG_DEBUG > 1) */ + +#endif /* _MSC_VER */ +#endif /* (PNG_DEBUG > 0) */ +#endif /* PNG_DEBUG */ +#ifndef png_debug +#define png_debug(l, m) +#endif +#ifndef png_debug1 +#define png_debug1(l, m, p1) +#endif +#ifndef png_debug2 +#define png_debug2(l, m, p1, p2) +#endif + +#if 0 +extern PNG_EXPORT(png_bytep,png_sig_bytes) PNGARG((void)); +#endif + +/* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */ + +#ifdef __cplusplus +} +#endif + +#endif /* PNG_VERSION_INFO_ONLY */ +#endif /* PNGPRIV_H */ diff -ru4NwbB libpng-1.2.41beta18/pngread.c libpng-1.4.0beta98/pngread.c --- libpng-1.2.41beta18/pngread.c 2009-11-11 15:01:32.678002997 -0600 +++ libpng-1.4.0beta98/pngread.c 2009-11-13 05:18:10.437333866 -0600 @@ -1,8 +1,8 @@ /* pngread.c - read a PNG file * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -13,11 +13,11 @@ * This file contains routines that an application calls directly to * read a PNG file or stream. */ -#define PNG_INTERNAL #include "png.h" #ifdef PNG_READ_SUPPORTED +#include "pngpriv.h" /* Create a PNG structure for reading, and allocate any memory needed. */ png_structp PNGAPI @@ -26,9 +26,9 @@ { #ifdef PNG_USER_MEM_SUPPORTED return (png_create_read_struct_2(user_png_ver, error_ptr, error_fn, - warn_fn, png_voidp_NULL, png_malloc_ptr_NULL, png_free_ptr_NULL)); + warn_fn, NULL, NULL, NULL)); } /* Alternate create PNG structure for reading, and allocate any memory needed. */ png_structp PNGAPI @@ -41,8 +41,9 @@ #ifdef PNG_SETJMP_SUPPORTED volatile #endif png_structp png_ptr; + int png_cleanup_needed = 0; #ifdef PNG_SETJMP_SUPPORTED #ifdef USE_FAR_KEYWORD jmp_buf jmpbuf; @@ -54,9 +55,9 @@ png_debug(1, "in png_create_read_struct"); #ifdef PNG_USER_MEM_SUPPORTED png_ptr = (png_structp)png_create_struct_2(PNG_STRUCT_PNG, - (png_malloc_ptr)malloc_fn, (png_voidp)mem_ptr); + malloc_fn, mem_ptr); #else png_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG); #endif if (png_ptr == NULL) @@ -65,30 +66,22 @@ /* Added at libpng-1.2.6 */ #ifdef PNG_SET_USER_LIMITS_SUPPORTED png_ptr->user_width_max = PNG_USER_WIDTH_MAX; png_ptr->user_height_max = PNG_USER_HEIGHT_MAX; + /* Added at libpng-1.4.0 */ + png_ptr->user_chunk_cache_max = PNG_USER_CHUNK_CACHE_MAX; #endif #ifdef PNG_SETJMP_SUPPORTED +/* Applications that neglect to set up their own setjmp() and then + encounter a png_error() will longjmp here. Since the jmpbuf is + then meaningless we abort instead of returning. */ #ifdef USE_FAR_KEYWORD if (setjmp(jmpbuf)) #else if (setjmp(png_ptr->jmpbuf)) #endif - { - png_free(png_ptr, png_ptr->zbuf); - png_ptr->zbuf = NULL; -#ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2((png_voidp)png_ptr, - (png_free_ptr)free_fn, (png_voidp)mem_ptr); -#else - png_destroy_struct((png_voidp)png_ptr); -#endif - return (NULL); - } -#ifdef USE_FAR_KEYWORD - png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf)); -#endif + PNG_ABORT(); #endif /* PNG_SETJMP_SUPPORTED */ #ifdef PNG_USER_MEM_SUPPORTED png_set_mem_fn(png_ptr, mem_ptr, malloc_fn, free_fn); @@ -119,9 +112,9 @@ if (user_png_ver == NULL || user_png_ver[0] != png_libpng_ver[0] || (user_png_ver[0] == '1' && user_png_ver[2] != png_libpng_ver[2]) || (user_png_ver[0] == '0' && user_png_ver[2] < '9')) { -#if defined(PNG_STDIO_SUPPORTED) && !defined(_WIN32_WCE) +#ifdef PNG_STDIO_SUPPORTED char msg[80]; if (user_png_ver) { png_snprintf(msg, 80, @@ -136,196 +129,66 @@ #endif #ifdef PNG_ERROR_NUMBERS_SUPPORTED png_ptr->flags = 0; #endif - png_error(png_ptr, + png_warning(png_ptr, "Incompatible libpng version in application and library"); + + png_cleanup_needed = 1; } } + if (!png_cleanup_needed) + { /* Initialize zbuf - compression buffer */ png_ptr->zbuf_size = PNG_ZBUF_SIZE; - png_ptr->zbuf = (png_bytep)png_malloc(png_ptr, - (png_uint_32)png_ptr->zbuf_size); + png_ptr->zbuf = (png_bytep)png_malloc_warn(png_ptr, + png_ptr->zbuf_size); + if (png_ptr->zbuf == NULL) + png_cleanup_needed = 1; + } png_ptr->zstream.zalloc = png_zalloc; png_ptr->zstream.zfree = png_zfree; png_ptr->zstream.opaque = (voidpf)png_ptr; + if (!png_cleanup_needed) + { switch (inflateInit(&png_ptr->zstream)) { case Z_OK: /* Do nothing */ break; case Z_MEM_ERROR: - case Z_STREAM_ERROR: png_error(png_ptr, "zlib memory error"); - break; - case Z_VERSION_ERROR: png_error(png_ptr, "zlib version error"); - break; - default: png_error(png_ptr, "Unknown zlib error"); - } - - - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - - png_set_read_fn(png_ptr, png_voidp_NULL, png_rw_ptr_NULL); - -#ifdef PNG_SETJMP_SUPPORTED -/* Applications that neglect to set up their own setjmp() and then - encounter a png_error() will longjmp here. Since the jmpbuf is - then meaningless we abort instead of returning. */ -#ifdef USE_FAR_KEYWORD - if (setjmp(jmpbuf)) - PNG_ABORT(); - png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf)); -#else - if (setjmp(png_ptr->jmpbuf)) - PNG_ABORT(); -#endif -#endif /* PNG_SETJMP_SUPPORTED */ - - return (png_ptr); -} - -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -/* Initialize PNG structure for reading, and allocate any memory needed. - * This interface is deprecated in favour of the png_create_read_struct(), - * and it will disappear as of libpng-1.3.0. - */ -#undef png_read_init -void PNGAPI -png_read_init(png_structp png_ptr) -{ - /* We only come here via pre-1.0.7-compiled applications */ - png_read_init_2(png_ptr, "1.0.6 or earlier", 0, 0); -} - -void PNGAPI -png_read_init_2(png_structp png_ptr, png_const_charp user_png_ver, - png_size_t png_struct_size, png_size_t png_info_size) -{ - /* We only come here via pre-1.0.12-compiled applications */ - if (png_ptr == NULL) - return; -#if defined(PNG_STDIO_SUPPORTED) && !defined(_WIN32_WCE) - if (png_sizeof(png_struct) > png_struct_size || - png_sizeof(png_info) > png_info_size) - { - char msg[80]; - png_ptr->warning_fn = NULL; - if (user_png_ver) - { - png_snprintf(msg, 80, - "Application was compiled with png.h from libpng-%.20s", - user_png_ver); - png_warning(png_ptr, msg); - } - png_snprintf(msg, 80, - "Application is running with png.c from libpng-%.20s", - png_libpng_ver); - png_warning(png_ptr, msg); - } -#endif - if (png_sizeof(png_struct) > png_struct_size) - { - png_ptr->error_fn = NULL; -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - png_ptr->flags = 0; -#endif - png_error(png_ptr, - "The png struct allocated by the application for reading is too small."); - } - if (png_sizeof(png_info) > png_info_size) - { - png_ptr->error_fn = NULL; -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - png_ptr->flags = 0; -#endif - png_error(png_ptr, - "The info struct allocated by application for reading is too small."); + case Z_STREAM_ERROR: png_warning(png_ptr, "zlib memory error"); + png_cleanup_needed = 1; break; + case Z_VERSION_ERROR: png_warning(png_ptr, "zlib version error"); + png_cleanup_needed = 1; break; + default: png_warning(png_ptr, "Unknown zlib error"); + png_cleanup_needed = 1; } - png_read_init_3(&png_ptr, user_png_ver, png_struct_size); } -#endif /* PNG_1_0_X || PNG_1_2_X */ - -void PNGAPI -png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, - png_size_t png_struct_size) -{ -#ifdef PNG_SETJMP_SUPPORTED - jmp_buf tmp_jmp; /* to save current jump buffer */ -#endif - - int i = 0; - - png_structp png_ptr=*ptr_ptr; - if (png_ptr == NULL) - return; - - do - { - if (user_png_ver[i] != png_libpng_ver[i]) + if (png_cleanup_needed) { -#ifdef PNG_LEGACY_SUPPORTED - png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH; + /* Clean up PNG structure and deallocate any memory. */ + png_free(png_ptr, png_ptr->zbuf); + png_ptr->zbuf = NULL; +#ifdef PNG_USER_MEM_SUPPORTED + png_destroy_struct_2((png_voidp)png_ptr, + (png_free_ptr)free_fn, (png_voidp)mem_ptr); #else - png_ptr->warning_fn = NULL; - png_warning(png_ptr, - "Application uses deprecated png_read_init() and should be recompiled."); - break; -#endif - } - } while (png_libpng_ver[i++]); - - png_debug(1, "in png_read_init_3"); - -#ifdef PNG_SETJMP_SUPPORTED - /* Save jump buffer and error functions */ - png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf)); + png_destroy_struct((png_voidp)png_ptr); #endif - - if (png_sizeof(png_struct) > png_struct_size) - { - png_destroy_struct(png_ptr); - *ptr_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG); - png_ptr = *ptr_ptr; + return (NULL); } - /* Reset all variables to 0 */ - png_memset(png_ptr, 0, png_sizeof(png_struct)); - -#ifdef PNG_SETJMP_SUPPORTED - /* Restore jump buffer */ - png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf)); -#endif + png_ptr->zstream.next_out = png_ptr->zbuf; + png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - /* Added at libpng-1.2.6 */ -#ifdef PNG_SET_USER_LIMITS_SUPPORTED - png_ptr->user_width_max = PNG_USER_WIDTH_MAX; - png_ptr->user_height_max = PNG_USER_HEIGHT_MAX; -#endif + png_set_read_fn(png_ptr, NULL, NULL); - /* Initialize zbuf - compression buffer */ - png_ptr->zbuf_size = PNG_ZBUF_SIZE; - png_ptr->zstream.zalloc = png_zalloc; - png_ptr->zbuf = (png_bytep)png_malloc(png_ptr, - (png_uint_32)png_ptr->zbuf_size); - png_ptr->zstream.zalloc = png_zalloc; - png_ptr->zstream.zfree = png_zfree; - png_ptr->zstream.opaque = (voidpf)png_ptr; - switch (inflateInit(&png_ptr->zstream)) - { - case Z_OK: /* Do nothing */ break; - case Z_STREAM_ERROR: png_error(png_ptr, "zlib memory error"); break; - case Z_VERSION_ERROR: png_error(png_ptr, "zlib version error"); break; - default: png_error(png_ptr, "Unknown zlib error"); + return (png_ptr); } - png_ptr->zstream.next_out = png_ptr->zbuf; - png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; - - png_set_read_fn(png_ptr, png_voidp_NULL, png_rw_ptr_NULL); -} #ifdef PNG_SEQUENTIAL_READ_SUPPORTED /* Read the information before the actual image data. This has been * changed in v0.90 to allow reading a file that already has the magic @@ -348,8 +211,12 @@ { png_size_t num_checked = png_ptr->sig_bytes, num_to_check = 8 - num_checked; +#ifdef PNG_IO_STATE_SUPPORTED + png_ptr->io_state = PNG_IO_READING | PNG_IO_SIGNATURE; +#endif + png_read_data(png_ptr, &(info_ptr->signature[num_checked]), num_to_check); png_ptr->sig_bytes = 8; if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check)) @@ -365,65 +232,63 @@ } for (;;) { -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IHDR; - PNG_CONST PNG_IDAT; - PNG_CONST PNG_IEND; - PNG_CONST PNG_PLTE; + PNG_IHDR; + PNG_IDAT; + PNG_IEND; + PNG_PLTE; #ifdef PNG_READ_bKGD_SUPPORTED - PNG_CONST PNG_bKGD; + PNG_bKGD; #endif #ifdef PNG_READ_cHRM_SUPPORTED - PNG_CONST PNG_cHRM; + PNG_cHRM; #endif #ifdef PNG_READ_gAMA_SUPPORTED - PNG_CONST PNG_gAMA; + PNG_gAMA; #endif #ifdef PNG_READ_hIST_SUPPORTED - PNG_CONST PNG_hIST; + PNG_hIST; #endif #ifdef PNG_READ_iCCP_SUPPORTED - PNG_CONST PNG_iCCP; + PNG_iCCP; #endif #ifdef PNG_READ_iTXt_SUPPORTED - PNG_CONST PNG_iTXt; + PNG_iTXt; #endif #ifdef PNG_READ_oFFs_SUPPORTED - PNG_CONST PNG_oFFs; + PNG_oFFs; #endif #ifdef PNG_READ_pCAL_SUPPORTED - PNG_CONST PNG_pCAL; + PNG_pCAL; #endif #ifdef PNG_READ_pHYs_SUPPORTED - PNG_CONST PNG_pHYs; + PNG_pHYs; #endif #ifdef PNG_READ_sBIT_SUPPORTED - PNG_CONST PNG_sBIT; + PNG_sBIT; #endif #ifdef PNG_READ_sCAL_SUPPORTED - PNG_CONST PNG_sCAL; + PNG_sCAL; #endif #ifdef PNG_READ_sPLT_SUPPORTED - PNG_CONST PNG_sPLT; + PNG_sPLT; #endif #ifdef PNG_READ_sRGB_SUPPORTED - PNG_CONST PNG_sRGB; + PNG_sRGB; #endif #ifdef PNG_READ_tEXt_SUPPORTED - PNG_CONST PNG_tEXt; + PNG_tEXt; #endif #ifdef PNG_READ_tIME_SUPPORTED - PNG_CONST PNG_tIME; + PNG_tIME; #endif #ifdef PNG_READ_tRNS_SUPPORTED - PNG_CONST PNG_tRNS; + PNG_tRNS; #endif #ifdef PNG_READ_zTXt_SUPPORTED - PNG_CONST PNG_zTXt; + PNG_zTXt; #endif -#endif /* PNG_USE_LOCAL_ARRAYS */ png_uint_32 length = png_read_chunk_header(png_ptr); PNG_CONST png_bytep chunk_name = png_ptr->chunk_name; /* This should be a binary subdivision search or a hash for @@ -581,9 +446,9 @@ #ifdef PNG_SEQUENTIAL_READ_SUPPORTED void PNGAPI png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row) { - PNG_CONST PNG_IDAT; + PNG_IDAT; PNG_CONST int png_pass_dsp_mask[7] = {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff}; PNG_CONST int png_pass_mask[7] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff}; int ret; @@ -591,42 +456,42 @@ if (png_ptr == NULL) return; png_debug2(1, "in png_read_row (row %lu, pass %d)", - png_ptr->row_number, png_ptr->pass); + (unsigned long) png_ptr->row_number, png_ptr->pass); if (!(png_ptr->flags & PNG_FLAG_ROW_INIT)) png_read_start_row(png_ptr); if (png_ptr->row_number == 0 && png_ptr->pass == 0) { /* Check for transforms that have been set but were defined out */ #if defined(PNG_WRITE_INVERT_SUPPORTED) && !defined(PNG_READ_INVERT_SUPPORTED) if (png_ptr->transformations & PNG_INVERT_MONO) - png_warning(png_ptr, "PNG_READ_INVERT_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_READ_INVERT_SUPPORTED is not defined"); #endif #if defined(PNG_WRITE_FILLER_SUPPORTED) && !defined(PNG_READ_FILLER_SUPPORTED) if (png_ptr->transformations & PNG_FILLER) - png_warning(png_ptr, "PNG_READ_FILLER_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_READ_FILLER_SUPPORTED is not defined"); #endif #if defined(PNG_WRITE_PACKSWAP_SUPPORTED) && !defined(PNG_READ_PACKSWAP_SUPPORTED) if (png_ptr->transformations & PNG_PACKSWAP) - png_warning(png_ptr, "PNG_READ_PACKSWAP_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_READ_PACKSWAP_SUPPORTED is not defined"); #endif #if defined(PNG_WRITE_PACK_SUPPORTED) && !defined(PNG_READ_PACK_SUPPORTED) if (png_ptr->transformations & PNG_PACK) - png_warning(png_ptr, "PNG_READ_PACK_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_READ_PACK_SUPPORTED is not defined"); #endif #if defined(PNG_WRITE_SHIFT_SUPPORTED) && !defined(PNG_READ_SHIFT_SUPPORTED) if (png_ptr->transformations & PNG_SHIFT) - png_warning(png_ptr, "PNG_READ_SHIFT_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_READ_SHIFT_SUPPORTED is not defined"); #endif #if defined(PNG_WRITE_BGR_SUPPORTED) && !defined(PNG_READ_BGR_SUPPORTED) if (png_ptr->transformations & PNG_BGR) - png_warning(png_ptr, "PNG_READ_BGR_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_READ_BGR_SUPPORTED is not defined"); #endif #if defined(PNG_WRITE_SWAP_SUPPORTED) && !defined(PNG_READ_SWAP_SUPPORTED) if (png_ptr->transformations & PNG_SWAP_BYTES) - png_warning(png_ptr, "PNG_READ_SWAP_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_READ_SWAP_SUPPORTED is not defined"); #endif } #ifdef PNG_READ_INTERLACING_SUPPORTED @@ -735,9 +600,9 @@ if (ret == Z_STREAM_END) { if (png_ptr->zstream.avail_out || png_ptr->zstream.avail_in || png_ptr->idat_size) - png_error(png_ptr, "Extra compressed data"); + png_benign_error(png_ptr, "Extra compressed data"); png_ptr->mode |= PNG_AFTER_IDAT; png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED; break; } @@ -759,10 +624,9 @@ png_read_filter_row(png_ptr, &(png_ptr->row_info), png_ptr->row_buf + 1, png_ptr->prev_row + 1, (int)(png_ptr->row_buf[0])); - png_memcpy_check(png_ptr, png_ptr->prev_row, png_ptr->row_buf, - png_ptr->rowbytes + 1); + png_memcpy(png_ptr->prev_row, png_ptr->row_buf, png_ptr->rowbytes + 1); #ifdef PNG_MNG_FEATURES_SUPPORTED if ((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && (png_ptr->filter_type == PNG_INTRAPIXEL_DIFFERENCING)) @@ -860,16 +724,16 @@ else if (rp != NULL) for (i = 0; i < num_rows; i++) { png_bytep rptr = *rp; - png_read_row(png_ptr, rptr, png_bytep_NULL); + png_read_row(png_ptr, rptr, NULL); rp++; } else if (dp != NULL) for (i = 0; i < num_rows; i++) { png_bytep dptr = *dp; - png_read_row(png_ptr, png_bytep_NULL, dptr); + png_read_row(png_ptr, NULL, dptr); dp++; } } #endif /* PNG_SEQUENTIAL_READ_SUPPORTED */ @@ -903,9 +767,9 @@ pass = png_set_interlace_handling(png_ptr); #else if (png_ptr->interlaced) png_error(png_ptr, - "Cannot read interlaced image -- interlace handler disabled."); + "Cannot read interlaced image -- interlace handler disabled"); pass = 1; #endif @@ -916,9 +780,9 @@ { rp = image; for (i = 0; i < image_height; i++) { - png_read_row(png_ptr, *rp, png_bytep_NULL); + png_read_row(png_ptr, *rp, NULL); rp++; } } } @@ -939,65 +803,63 @@ png_crc_finish(png_ptr, 0); /* Finish off CRC from last IDAT chunk */ do { -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IHDR; - PNG_CONST PNG_IDAT; - PNG_CONST PNG_IEND; - PNG_CONST PNG_PLTE; + PNG_IHDR; + PNG_IDAT; + PNG_IEND; + PNG_PLTE; #ifdef PNG_READ_bKGD_SUPPORTED - PNG_CONST PNG_bKGD; + PNG_bKGD; #endif #ifdef PNG_READ_cHRM_SUPPORTED - PNG_CONST PNG_cHRM; + PNG_cHRM; #endif #ifdef PNG_READ_gAMA_SUPPORTED - PNG_CONST PNG_gAMA; + PNG_gAMA; #endif #ifdef PNG_READ_hIST_SUPPORTED - PNG_CONST PNG_hIST; + PNG_hIST; #endif #ifdef PNG_READ_iCCP_SUPPORTED - PNG_CONST PNG_iCCP; + PNG_iCCP; #endif #ifdef PNG_READ_iTXt_SUPPORTED - PNG_CONST PNG_iTXt; + PNG_iTXt; #endif #ifdef PNG_READ_oFFs_SUPPORTED - PNG_CONST PNG_oFFs; + PNG_oFFs; #endif #ifdef PNG_READ_pCAL_SUPPORTED - PNG_CONST PNG_pCAL; + PNG_pCAL; #endif #ifdef PNG_READ_pHYs_SUPPORTED - PNG_CONST PNG_pHYs; + PNG_pHYs; #endif #ifdef PNG_READ_sBIT_SUPPORTED - PNG_CONST PNG_sBIT; + PNG_sBIT; #endif #ifdef PNG_READ_sCAL_SUPPORTED - PNG_CONST PNG_sCAL; + PNG_sCAL; #endif #ifdef PNG_READ_sPLT_SUPPORTED - PNG_CONST PNG_sPLT; + PNG_sPLT; #endif #ifdef PNG_READ_sRGB_SUPPORTED - PNG_CONST PNG_sRGB; + PNG_sRGB; #endif #ifdef PNG_READ_tEXt_SUPPORTED - PNG_CONST PNG_tEXt; + PNG_tEXt; #endif #ifdef PNG_READ_tIME_SUPPORTED - PNG_CONST PNG_tIME; + PNG_tIME; #endif #ifdef PNG_READ_tRNS_SUPPORTED - PNG_CONST PNG_tRNS; + PNG_tRNS; #endif #ifdef PNG_READ_zTXt_SUPPORTED - PNG_CONST PNG_zTXt; + PNG_zTXt; #endif -#endif /* PNG_USE_LOCAL_ARRAYS */ png_uint_32 length = png_read_chunk_header(png_ptr); PNG_CONST png_bytep chunk_name = png_ptr->chunk_name; if (!png_memcmp(chunk_name, png_IHDR, 4)) @@ -1009,9 +871,9 @@ { if (!png_memcmp(chunk_name, png_IDAT, 4)) { if ((length > 0) || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT)) - png_error(png_ptr, "Too many IDAT's found"); + png_benign_error(png_ptr, "Too many IDATs found"); } png_handle_unknown(png_ptr, info_ptr, length); if (!png_memcmp(chunk_name, png_PLTE, 4)) png_ptr->mode |= PNG_HAVE_PLTE; @@ -1022,9 +884,9 @@ /* Zero length IDATs are legal after the last IDAT has been * read, but not after other chunks have been read. */ if ((length > 0) || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT)) - png_error(png_ptr, "Too many IDAT's found"); + png_benign_error(png_ptr, "Too many IDATs found"); png_crc_finish(png_ptr, length); } else if (!png_memcmp(chunk_name, png_PLTE, 4)) png_handle_PLTE(png_ptr, info_ptr, length); @@ -1211,39 +1073,21 @@ #ifdef PNG_READ_BACKGROUND_SUPPORTED png_free(png_ptr, png_ptr->gamma_from_1); png_free(png_ptr, png_ptr->gamma_to_1); #endif -#ifdef PNG_FREE_ME_SUPPORTED if (png_ptr->free_me & PNG_FREE_PLTE) png_zfree(png_ptr, png_ptr->palette); png_ptr->free_me &= ~PNG_FREE_PLTE; -#else - if (png_ptr->flags & PNG_FLAG_FREE_PLTE) - png_zfree(png_ptr, png_ptr->palette); - png_ptr->flags &= ~PNG_FLAG_FREE_PLTE; -#endif #if defined(PNG_tRNS_SUPPORTED) || \ defined(PNG_READ_EXPAND_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) -#ifdef PNG_FREE_ME_SUPPORTED if (png_ptr->free_me & PNG_FREE_TRNS) - png_free(png_ptr, png_ptr->trans); + png_free(png_ptr, png_ptr->trans_alpha); png_ptr->free_me &= ~PNG_FREE_TRNS; -#else - if (png_ptr->flags & PNG_FLAG_FREE_TRNS) - png_free(png_ptr, png_ptr->trans); - png_ptr->flags &= ~PNG_FLAG_FREE_TRNS; -#endif #endif #ifdef PNG_READ_hIST_SUPPORTED -#ifdef PNG_FREE_ME_SUPPORTED if (png_ptr->free_me & PNG_FREE_HIST) png_free(png_ptr, png_ptr->hist); png_ptr->free_me &= ~PNG_FREE_HIST; -#else - if (png_ptr->flags & PNG_FLAG_FREE_HIST) - png_free(png_ptr, png_ptr->hist); - png_ptr->flags &= ~PNG_FLAG_FREE_HIST; -#endif #endif #ifdef PNG_READ_GAMMA_SUPPORTED if (png_ptr->gamma_16_table != NULL) { @@ -1341,14 +1185,8 @@ int row; if (png_ptr == NULL) return; -#ifdef PNG_READ_INVERT_ALPHA_SUPPORTED - /* Invert the alpha channel from opacity to transparency - */ - if (transforms & PNG_TRANSFORM_INVERT_ALPHA) - png_set_invert_alpha(png_ptr); -#endif /* png_read_info() gives us all of the information from the * PNG file before the first IDAT (image data chunk). */ @@ -1473,21 +1311,19 @@ png_read_update_info(png_ptr, info_ptr); /* -------------- image transformations end here ------------------- */ -#ifdef PNG_FREE_ME_SUPPORTED png_free_data(png_ptr, info_ptr, PNG_FREE_ROWS, 0); -#endif if (info_ptr->row_pointers == NULL) { + png_uint_32 iptr; + info_ptr->row_pointers = (png_bytepp)png_malloc(png_ptr, info_ptr->height * png_sizeof(png_bytep)); - png_memset(info_ptr->row_pointers, 0, info_ptr->height - * png_sizeof(png_bytep)); + for (iptr=0; iptrheight; iptr++) + info_ptr->row_pointers[iptr] = NULL; -#ifdef PNG_FREE_ME_SUPPORTED info_ptr->free_me |= PNG_FREE_ROWS; -#endif for (row = 0; row < (int)info_ptr->height; row++) info_ptr->row_pointers[row] = (png_bytep)png_malloc(png_ptr, png_get_rowbytes(png_ptr, info_ptr)); diff -ru4NwbB libpng-1.2.41beta18/pngrio.c libpng-1.4.0beta98/pngrio.c --- libpng-1.2.41beta18/pngrio.c 2009-11-11 15:01:32.682962572 -0600 +++ libpng-1.4.0beta98/pngrio.c 2009-11-13 05:18:10.442229597 -0600 @@ -1,8 +1,8 @@ /* pngrio.c - functions for data input * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -17,11 +17,11 @@ * function, but rather write a replacement function and then make * libpng use it at run time with png_set_read_fn(...). */ -#define PNG_INTERNAL #include "png.h" #ifdef PNG_READ_SUPPORTED +#include "pngpriv.h" /* Read the data from whatever input you are using. The default routine * reads from a file pointer. Note that this routine sometimes gets called * with very small lengths, so you should implement some kind of simple @@ -55,15 +55,9 @@ return; /* fread() returns 0 on error, so it is OK to store this in a png_size_t * instead of an int, which is what fread() actually returns. */ -#ifdef _WIN32_WCE - if ( !ReadFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) ) - check = 0; -#else - check = (png_size_t)fread(data, (png_size_t)1, length, - (png_FILE_p)png_ptr->io_ptr); -#endif + check = fread(data, 1, length, (png_FILE_p)png_ptr->io_ptr); if (check != length) png_error(png_ptr, "Read Error"); } @@ -78,9 +72,9 @@ static void PNGAPI png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length) { - int check; + png_size_t check; png_byte *n_data; png_FILE_p io_ptr; if (png_ptr == NULL) @@ -89,14 +83,9 @@ n_data = (png_byte *)CVT_PTR_NOCHECK(data); io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr); if ((png_bytep)n_data == data) { -#ifdef _WIN32_WCE - if ( !ReadFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) ) - check = 0; -#else check = fread(n_data, 1, length, io_ptr); -#endif } else { png_byte buf[NEAR_BUF_SIZE]; @@ -105,14 +94,9 @@ remaining = length; do { read = MIN(NEAR_BUF_SIZE, remaining); -#ifdef _WIN32_WCE - if ( !ReadFile((HANDLE)(io_ptr), buf, read, &err, NULL) ) - err = 0; -#else - err = fread(buf, (png_size_t)1, read, io_ptr); -#endif + err = fread(buf, 1, read, io_ptr); png_memcpy(data, buf, read); /* copy far buffer to near buffer */ if (err != read) break; else @@ -167,9 +151,9 @@ png_ptr->write_data_fn = NULL; png_warning(png_ptr, "It's an error to set both read_data_fn and write_data_fn in the "); png_warning(png_ptr, - "same structure. Resetting write_data_fn to NULL."); + "same structure. Resetting write_data_fn to NULL"); } #ifdef PNG_WRITE_FLUSH_SUPPORTED png_ptr->output_flush_fn = NULL; diff -ru4NwbB libpng-1.2.41beta18/pngrtran.c libpng-1.4.0beta98/pngrtran.c --- libpng-1.2.41beta18/pngrtran.c 2009-11-11 15:01:32.698280551 -0600 +++ libpng-1.4.0beta98/pngrtran.c 2009-11-13 05:18:10.457358670 -0600 @@ -1,8 +1,8 @@ /* pngrtran.c - transforms the data in a row for PNG readers * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -15,11 +15,11 @@ * Transformations that are used in both reading and writing are * in pngtrans.c. */ -#define PNG_INTERNAL #include "png.h" #ifdef PNG_READ_SUPPORTED +#include "pngpriv.h" /* Set the action on getting a CRC error for an ancillary or critical chunk. */ void PNGAPI png_set_crc_action(png_structp png_ptr, int crit_action, int ancil_action) @@ -47,9 +47,9 @@ break; case PNG_CRC_WARN_DISCARD: /* Not a valid action for critical data */ png_warning(png_ptr, - "Can't discard critical data on CRC error."); + "Can't discard critical data on CRC error"); case PNG_CRC_ERROR_QUIT: /* Error/quit */ case PNG_CRC_DEFAULT: default: @@ -139,8 +139,24 @@ png_ptr->flags |= PNG_FLAG_STRIP_ALPHA; } #endif +#ifdef PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED +void PNGAPI +png_set_premultiply_alpha(png_structp png_ptr) +{ + png_debug(1, "in png_set_premultiply_alpha"); + + if(png_ptr == NULL) + return; + png_ptr->transformations |= + (PNG_PREMULTIPLY_ALPHA | PNG_EXPAND_tRNS); + png_ptr->transformations |= + PNG_EXPAND; /* This shouldn't be necessary */ + png_ptr->flags &= ~PNG_FLAG_ROW_INIT; +} +#endif + #ifdef PNG_READ_DITHER_SUPPORTED /* Dither file to 8 bit. Supply a palette, the current number * of elements in the palette, the maximum number of elements * allowed, and a histogram if possible. If the current number @@ -608,9 +624,8 @@ png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); png_ptr->flags &= ~PNG_FLAG_ROW_INIT; } -#ifndef PNG_1_0_X /* Expand grayscale images of less than 8-bit depth to 8 bits. */ void PNGAPI png_set_expand_gray_1_2_4_to_8(png_structp png_ptr) { @@ -621,24 +636,9 @@ png_ptr->transformations |= PNG_EXPAND; png_ptr->flags &= ~PNG_FLAG_ROW_INIT; } -#endif -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -/* Expand grayscale images of less than 8-bit depth to 8 bits. */ -/* Deprecated as of libpng-1.2.9 */ -void PNGAPI -png_set_gray_1_2_4_to_8(png_structp png_ptr) -{ - png_debug(1, "in png_set_gray_1_2_4_to_8"); - - if (png_ptr == NULL) - return; - - png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); -} -#endif /* Expand tRNS chunks to alpha channels. */ void PNGAPI @@ -704,9 +704,9 @@ png_ptr->transformations |= PNG_EXPAND; #else { png_warning(png_ptr, - "Cannot do RGB_TO_GRAY without EXPAND_SUPPORTED."); + "Cannot do RGB_TO_GRAY without EXPAND_SUPPORTED"); png_ptr->transformations &= ~PNG_RGB_TO_GRAY; } #endif { @@ -735,9 +735,8 @@ } #endif #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_LEGACY_SUPPORTED) || \ defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) void PNGAPI png_set_read_user_transform_fn(png_structp png_ptr, png_user_transform_ptr read_user_transform_fn) @@ -750,13 +749,8 @@ #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED png_ptr->transformations |= PNG_USER_TRANSFORM; png_ptr->read_user_transform_fn = read_user_transform_fn; #endif -#ifdef PNG_LEGACY_SUPPORTED - if (read_user_transform_fn) - png_warning(png_ptr, - "This version of libpng does not support user transforms"); -#endif } #endif /* Initialize everything needed for the read. This includes modifying @@ -766,11 +760,8 @@ png_init_read_transformations(png_structp png_ptr) { png_debug(1, "in png_init_read_transformations"); -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (png_ptr != NULL) -#endif { #if defined(PNG_READ_BACKGROUND_SUPPORTED) || defined(PNG_READ_SHIFT_SUPPORTED) \ || defined(PNG_READ_GAMMA_SUPPORTED) int color_type = png_ptr->color_type; @@ -817,11 +808,11 @@ png_ptr->background.red = png_ptr->background.green = png_ptr->background.blue = png_ptr->background.gray; if (!(png_ptr->transformations & PNG_EXPAND_tRNS)) { - png_ptr->trans_values.gray *= (png_uint_16)0xff; - png_ptr->trans_values.red = png_ptr->trans_values.green - = png_ptr->trans_values.blue = png_ptr->trans_values.gray; + png_ptr->trans_color.gray *= (png_uint_16)0xff; + png_ptr->trans_color.red = png_ptr->trans_color.green + = png_ptr->trans_color.blue = png_ptr->trans_color.gray; } break; case 2: @@ -829,11 +820,11 @@ png_ptr->background.red = png_ptr->background.green = png_ptr->background.blue = png_ptr->background.gray; if (!(png_ptr->transformations & PNG_EXPAND_tRNS)) { - png_ptr->trans_values.gray *= (png_uint_16)0x55; - png_ptr->trans_values.red = png_ptr->trans_values.green - = png_ptr->trans_values.blue = png_ptr->trans_values.gray; + png_ptr->trans_color.gray *= (png_uint_16)0x55; + png_ptr->trans_color.red = png_ptr->trans_color.green + = png_ptr->trans_color.blue = png_ptr->trans_color.gray; } break; case 4: @@ -841,11 +832,11 @@ png_ptr->background.red = png_ptr->background.green = png_ptr->background.blue = png_ptr->background.gray; if (!(png_ptr->transformations & PNG_EXPAND_tRNS)) { - png_ptr->trans_values.gray *= (png_uint_16)0x11; - png_ptr->trans_values.red = png_ptr->trans_values.green - = png_ptr->trans_values.blue = png_ptr->trans_values.gray; + png_ptr->trans_color.gray *= (png_uint_16)0x11; + png_ptr->trans_color.red = png_ptr->trans_color.green + = png_ptr->trans_color.blue = png_ptr->trans_color.gray; } break; case 8: @@ -877,9 +868,9 @@ */ int i, istop; istop=(int)png_ptr->num_trans; for (i=0; itrans[i] = (png_byte)(255 - png_ptr->trans[i]); + png_ptr->trans_alpha[i] = (png_byte)(255 - png_ptr->trans_alpha[i]); } } #endif @@ -899,9 +890,9 @@ int i, k; k=0; for (i=0; inum_trans; i++) { - if (png_ptr->trans[i] != 0 && png_ptr->trans[i] != 0xff) + if (png_ptr->trans_alpha[i] != 0 && png_ptr->trans_alpha[i] != 0xff) k=1; /* Partial transparency is present */ } if (k == 0) png_ptr->transformations &= ~PNG_GAMMA; @@ -981,28 +972,28 @@ (double)png_ptr->background.blue/255, g) * 255.0 + .5); } for (i = 0; i < num_palette; i++) { - if (i < (int)png_ptr->num_trans && png_ptr->trans[i] != 0xff) + if (i < (int)png_ptr->num_trans && png_ptr->trans_alpha[i] != 0xff) { - if (png_ptr->trans[i] == 0) + if (png_ptr->trans_alpha[i] == 0) { palette[i] = back; } - else /* if (png_ptr->trans[i] != 0xff) */ + else /* if (png_ptr->trans_alpha[i] != 0xff) */ { png_byte v, w; v = png_ptr->gamma_to_1[palette[i].red]; - png_composite(w, v, png_ptr->trans[i], back_1.red); + png_composite(w, v, png_ptr->trans_alpha[i], back_1.red); palette[i].red = png_ptr->gamma_from_1[w]; v = png_ptr->gamma_to_1[palette[i].green]; - png_composite(w, v, png_ptr->trans[i], back_1.green); + png_composite(w, v, png_ptr->trans_alpha[i], back_1.green); palette[i].green = png_ptr->gamma_from_1[w]; v = png_ptr->gamma_to_1[palette[i].blue]; - png_composite(w, v, png_ptr->trans[i], back_1.blue); + png_composite(w, v, png_ptr->trans_alpha[i], back_1.blue); palette[i].blue = png_ptr->gamma_from_1[w]; } } else @@ -1120,21 +1111,21 @@ back.blue = (png_byte)png_ptr->background.blue; for (i = 0; i < istop; i++) { - if (png_ptr->trans[i] == 0) + if (png_ptr->trans_alpha[i] == 0) { palette[i] = back; } - else if (png_ptr->trans[i] != 0xff) + else if (png_ptr->trans_alpha[i] != 0xff) { /* The png_composite() macro is defined in png.h */ png_composite(palette[i].red, palette[i].red, - png_ptr->trans[i], back.red); + png_ptr->trans_alpha[i], back.red); png_composite(palette[i].green, palette[i].green, - png_ptr->trans[i], back.green); + png_ptr->trans_alpha[i], back.green); png_composite(palette[i].blue, palette[i].blue, - png_ptr->trans[i], back.blue); + png_ptr->trans_alpha[i], back.blue); } } /* Handled alpha, still need to strip the channel. */ @@ -1286,12 +1277,10 @@ (info_ptr->color_type == PNG_COLOR_TYPE_GRAY))) { info_ptr->channels++; /* If adding a true alpha channel not just filler */ -#ifndef PNG_1_0_X if (png_ptr->transformations & PNG_ADD_ALPHA) info_ptr->color_type |= PNG_COLOR_MASK_ALPHA; -#endif } #endif #if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) && \ @@ -1326,9 +1315,9 @@ png_debug(1, "in png_do_read_transformations"); if (png_ptr->row_buf == NULL) { -#if defined(PNG_STDIO_SUPPORTED) && !defined(_WIN32_WCE) +#ifdef PNG_STDIO_SUPPORTED char msg[50]; png_snprintf2(msg, 50, "NULL row buffer for row %ld, pass %d", (long)png_ptr->row_number, @@ -1356,16 +1345,16 @@ { if (png_ptr->row_info.color_type == PNG_COLOR_TYPE_PALETTE) { png_do_expand_palette(&(png_ptr->row_info), png_ptr->row_buf + 1, - png_ptr->palette, png_ptr->trans, png_ptr->num_trans); + png_ptr->palette, png_ptr->trans_alpha, png_ptr->num_trans); } else { if (png_ptr->num_trans && (png_ptr->transformations & PNG_EXPAND_tRNS)) png_do_expand(&(png_ptr->row_info), png_ptr->row_buf + 1, - &(png_ptr->trans_values)); + &(png_ptr->trans_color)); else png_do_expand(&(png_ptr->row_info), png_ptr->row_buf + 1, NULL); } @@ -1445,9 +1434,9 @@ if ((png_ptr->transformations & PNG_BACKGROUND) && ((png_ptr->num_trans != 0 ) || (png_ptr->color_type & PNG_COLOR_MASK_ALPHA))) png_do_background(&(png_ptr->row_info), png_ptr->row_buf + 1, - &(png_ptr->trans_values), &(png_ptr->background) + &(png_ptr->trans_color), &(png_ptr->background) #ifdef PNG_READ_GAMMA_SUPPORTED , &(png_ptr->background_1), png_ptr->gamma_table, png_ptr->gamma_from_1, png_ptr->gamma_to_1, png_ptr->gamma_16_table, @@ -1518,8 +1507,14 @@ png_do_read_filler(&(png_ptr->row_info), png_ptr->row_buf + 1, (png_uint_32)png_ptr->filler, png_ptr->flags); #endif +#ifdef PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED + if (png_ptr->transformations & PNG_PREMULTIPLY_ALPHA) + png_do_read_premultiply_alpha(&(png_ptr->row_info), + png_ptr->row_buf + 1); +#endif + #ifdef PNG_READ_INVERT_ALPHA_SUPPORTED if (png_ptr->transformations & PNG_INVERT_ALPHA) png_do_read_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif @@ -1574,13 +1569,9 @@ png_do_unpack(png_row_infop row_info, png_bytep row) { png_debug(1, "in png_do_unpack"); -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (row != NULL && row_info != NULL && row_info->bit_depth < 8) -#else if (row_info->bit_depth < 8) -#endif { png_uint_32 i; png_uint_32 row_width=row_info->width; @@ -1668,11 +1659,8 @@ { png_debug(1, "in png_do_unshift"); if ( -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && sig_bits != NULL && -#endif row_info->color_type != PNG_COLOR_TYPE_PALETTE) { int shift[4]; int channels = 0; @@ -1777,13 +1765,9 @@ png_do_chop(png_row_infop row_info, png_bytep row) { png_debug(1, "in png_do_chop"); -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (row != NULL && row_info != NULL && row_info->bit_depth == 16) -#else if (row_info->bit_depth == 16) -#endif { png_bytep sp = row; png_bytep dp = row; png_uint_32 i; @@ -1835,11 +1819,8 @@ png_do_read_swap_alpha(png_row_infop row_info, png_bytep row) { png_debug(1, "in png_do_read_swap_alpha"); -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (row != NULL && row_info != NULL) -#endif { png_uint_32 row_width = row_info->width; if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) { @@ -1928,11 +1909,8 @@ png_do_read_invert_alpha(png_row_infop row_info, png_bytep row) { png_debug(1, "in png_do_read_invert_alpha"); -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (row != NULL && row_info != NULL) -#endif { png_uint_32 row_width = row_info->width; if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) { @@ -2021,8 +1999,87 @@ } } #endif +#ifdef PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED +void /* PRIVATE */ +png_do_read_premultiply_alpha(png_row_infop row_info, png_bytep row) +{ + png_debug(1, "in png_do_read_premultiply_alpha"); + + { + png_uint_32 row_width = row_info->width; + if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) + { + /* This premultiplies the pixels with the alpha channel in RGBA */ + if (row_info->bit_depth == 8) + { + png_bytep sp = row + row_info->rowbytes; + png_bytep dp = sp; + png_uint_16 a = 0; + png_uint_32 i; + + for (i = 0; i < row_width; i++) + { + a = *(--sp); --dp; + + *(--dp) = (*(--sp) * a) / 255; + *(--dp) = (*(--sp) * a) / 255; + *(--dp) = (*(--sp) * a) / 255; + } + } + /* This premultiplies the pixels with the alpha channel in RRGGBBAA */ + else + { + png_uint_16p sp = (png_uint_16p)(row + row_info->rowbytes); + png_uint_16p dp = sp; + png_uint_32 a = 0; + png_uint_32 i; + + for (i = 0; i < row_width; i++) + { + a = *(--sp); --dp; + *(--dp) = (png_uint_16) ((*(--sp) * a) / 65535); + *(--dp) = (png_uint_16) ((*(--sp) * a) / 65535); + *(--dp) = (png_uint_16) ((*(--sp) * a) / 65535); + } + } + } + else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA) + { + /* This premultiplies the pixels with the alpha channel in GA */ + if (row_info->bit_depth == 8) + { + png_bytep sp = row + row_info->rowbytes; + png_bytep dp = sp; + png_uint_16 a = 0; + png_uint_32 i; + + for (i = 0; i < row_width; i++) + { + a = *(--sp); --dp; + *(--dp) = (*(--sp) * a) / 255; + } + } + /* This premultiplies the pixels with the alpha channel in GGAA */ + else + { + png_uint_16p sp = (png_uint_16p) (row + row_info->rowbytes); + png_uint_16p dp = sp; + png_uint_32 a = 0; + png_uint_32 i; + + for (i = 0; i < row_width; i++) + { + a = *(--sp); --dp; + *(--dp) = (png_uint_16) ((*(--sp) * a) / 65535); + } + } + } + } +} +#endif + #ifdef PNG_READ_FILLER_SUPPORTED /* Add filler channel if we have RGB color */ void /* PRIVATE */ png_do_read_filler(png_row_infop row_info, png_bytep row, @@ -2036,11 +2093,8 @@ png_debug(1, "in png_do_read_filler"); if ( -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && -#endif row_info->color_type == PNG_COLOR_TYPE_GRAY) { if (row_info->bit_depth == 8) { @@ -2209,11 +2263,8 @@ png_debug(1, "in png_do_gray_to_rgb"); if (row_info->bit_depth >= 8 && -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && -#endif !(row_info->color_type & PNG_COLOR_MASK_COLOR)) { if (row_info->color_type == PNG_COLOR_TYPE_GRAY) { @@ -2316,11 +2367,8 @@ png_debug(1, "in png_do_rgb_to_gray"); if ( -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && -#endif (row_info->color_type & PNG_COLOR_MASK_COLOR)) { png_uint_32 rc = png_ptr->rgb_to_gray_red_coeff; png_uint_32 gc = png_ptr->rgb_to_gray_green_coeff; @@ -2593,199 +2641,17 @@ palette[i].blue = (png_byte)v; } } -/* This function is currently unused. Do we really need it? */ -#if defined(PNG_READ_DITHER_SUPPORTED) && defined(PNG_CORRECT_PALETTE_SUPPORTED) -void /* PRIVATE */ -png_correct_palette(png_structp png_ptr, png_colorp palette, - int num_palette) -{ - png_debug(1, "in png_correct_palette"); - -#if defined(PNG_READ_BACKGROUND_SUPPORTED) && \ - defined(PNG_READ_GAMMA_SUPPORTED) && defined(PNG_FLOATING_POINT_SUPPORTED) - if (png_ptr->transformations & (PNG_GAMMA | PNG_BACKGROUND)) - { - png_color back, back_1; - - if (png_ptr->background_gamma_type == PNG_BACKGROUND_GAMMA_FILE) - { - back.red = png_ptr->gamma_table[png_ptr->background.red]; - back.green = png_ptr->gamma_table[png_ptr->background.green]; - back.blue = png_ptr->gamma_table[png_ptr->background.blue]; - - back_1.red = png_ptr->gamma_to_1[png_ptr->background.red]; - back_1.green = png_ptr->gamma_to_1[png_ptr->background.green]; - back_1.blue = png_ptr->gamma_to_1[png_ptr->background.blue]; - } - else - { - double g; - - g = 1.0 / (png_ptr->background_gamma * png_ptr->screen_gamma); - - if (png_ptr->background_gamma_type == PNG_BACKGROUND_GAMMA_SCREEN || - fabs(g - 1.0) < PNG_GAMMA_THRESHOLD) - { - back.red = png_ptr->background.red; - back.green = png_ptr->background.green; - back.blue = png_ptr->background.blue; - } - else - { - back.red = - (png_byte)(pow((double)png_ptr->background.red/255, g) * - 255.0 + 0.5); - back.green = - (png_byte)(pow((double)png_ptr->background.green/255, g) * - 255.0 + 0.5); - back.blue = - (png_byte)(pow((double)png_ptr->background.blue/255, g) * - 255.0 + 0.5); - } - - g = 1.0 / png_ptr->background_gamma; - - back_1.red = - (png_byte)(pow((double)png_ptr->background.red/255, g) * - 255.0 + 0.5); - back_1.green = - (png_byte)(pow((double)png_ptr->background.green/255, g) * - 255.0 + 0.5); - back_1.blue = - (png_byte)(pow((double)png_ptr->background.blue/255, g) * - 255.0 + 0.5); - } - - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - { - png_uint_32 i; - - for (i = 0; i < (png_uint_32)num_palette; i++) - { - if (i < png_ptr->num_trans && png_ptr->trans[i] == 0) - { - palette[i] = back; - } - else if (i < png_ptr->num_trans && png_ptr->trans[i] != 0xff) - { - png_byte v, w; - - v = png_ptr->gamma_to_1[png_ptr->palette[i].red]; - png_composite(w, v, png_ptr->trans[i], back_1.red); - palette[i].red = png_ptr->gamma_from_1[w]; - - v = png_ptr->gamma_to_1[png_ptr->palette[i].green]; - png_composite(w, v, png_ptr->trans[i], back_1.green); - palette[i].green = png_ptr->gamma_from_1[w]; - - v = png_ptr->gamma_to_1[png_ptr->palette[i].blue]; - png_composite(w, v, png_ptr->trans[i], back_1.blue); - palette[i].blue = png_ptr->gamma_from_1[w]; - } - else - { - palette[i].red = png_ptr->gamma_table[palette[i].red]; - palette[i].green = png_ptr->gamma_table[palette[i].green]; - palette[i].blue = png_ptr->gamma_table[palette[i].blue]; - } - } - } - else - { - int i; - - for (i = 0; i < num_palette; i++) - { - if (palette[i].red == (png_byte)png_ptr->trans_values.gray) - { - palette[i] = back; - } - else - { - palette[i].red = png_ptr->gamma_table[palette[i].red]; - palette[i].green = png_ptr->gamma_table[palette[i].green]; - palette[i].blue = png_ptr->gamma_table[palette[i].blue]; - } - } - } - } - else -#endif -#ifdef PNG_READ_GAMMA_SUPPORTED - if (png_ptr->transformations & PNG_GAMMA) - { - int i; - - for (i = 0; i < num_palette; i++) - { - palette[i].red = png_ptr->gamma_table[palette[i].red]; - palette[i].green = png_ptr->gamma_table[palette[i].green]; - palette[i].blue = png_ptr->gamma_table[palette[i].blue]; - } - } -#ifdef PNG_READ_BACKGROUND_SUPPORTED - else -#endif -#endif -#ifdef PNG_READ_BACKGROUND_SUPPORTED - if (png_ptr->transformations & PNG_BACKGROUND) - { - if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) - { - png_color back; - - back.red = (png_byte)png_ptr->background.red; - back.green = (png_byte)png_ptr->background.green; - back.blue = (png_byte)png_ptr->background.blue; - - for (i = 0; i < (int)png_ptr->num_trans; i++) - { - if (png_ptr->trans[i] == 0) - { - palette[i].red = back.red; - palette[i].green = back.green; - palette[i].blue = back.blue; - } - else if (png_ptr->trans[i] != 0xff) - { - png_composite(palette[i].red, png_ptr->palette[i].red, - png_ptr->trans[i], back.red); - png_composite(palette[i].green, png_ptr->palette[i].green, - png_ptr->trans[i], back.green); - png_composite(palette[i].blue, png_ptr->palette[i].blue, - png_ptr->trans[i], back.blue); - } - } - } - else /* Assume grayscale palette (what else could it be?) */ - { - int i; - - for (i = 0; i < num_palette; i++) - { - if (i == (png_byte)png_ptr->trans_values.gray) - { - palette[i].red = (png_byte)png_ptr->background.red; - palette[i].green = (png_byte)png_ptr->background.green; - palette[i].blue = (png_byte)png_ptr->background.blue; - } - } - } - } -#endif -} -#endif #ifdef PNG_READ_BACKGROUND_SUPPORTED /* Replace any alpha or transparency with the supplied background color. * "background" is already in the screen gamma, while "background_1" is * at a gamma of 1.0. Paletted files have already been taken care of. */ void /* PRIVATE */ png_do_background(png_row_infop row_info, png_bytep row, - png_color_16p trans_values, png_color_16p background + png_color_16p trans_color, png_color_16p background #ifdef PNG_READ_GAMMA_SUPPORTED , png_color_16p background_1, png_bytep gamma_table, png_bytep gamma_from_1, png_bytep gamma_to_1, png_uint_16pp gamma_16, png_uint_16pp gamma_16_from_1, @@ -2800,13 +2666,10 @@ png_debug(1, "in png_do_background"); if (background != NULL && -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && -#endif (!(row_info->color_type & PNG_COLOR_MASK_ALPHA) || - (row_info->color_type != PNG_COLOR_TYPE_PALETTE && trans_values))) + (row_info->color_type != PNG_COLOR_TYPE_PALETTE && trans_color))) { switch (row_info->color_type) { case PNG_COLOR_TYPE_GRAY: @@ -2819,9 +2682,9 @@ shift = 7; for (i = 0; i < row_width; i++) { if ((png_uint_16)((*sp >> shift) & 0x01) - == trans_values->gray) + == trans_color->gray) { *sp &= (png_byte)((0x7f7f >> (7 - shift)) & 0xff); *sp |= (png_byte)(background->gray << shift); } @@ -2845,9 +2708,9 @@ shift = 6; for (i = 0; i < row_width; i++) { if ((png_uint_16)((*sp >> shift) & 0x03) - == trans_values->gray) + == trans_color->gray) { *sp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff); *sp |= (png_byte)(background->gray << shift); } @@ -2875,9 +2738,9 @@ shift = 6; for (i = 0; i < row_width; i++) { if ((png_uint_16)((*sp >> shift) & 0x03) - == trans_values->gray) + == trans_color->gray) { *sp &= (png_byte)((0x3f3f >> (6 - shift)) & 0xff); *sp |= (png_byte)(background->gray << shift); } @@ -2902,9 +2765,9 @@ shift = 4; for (i = 0; i < row_width; i++) { if ((png_uint_16)((*sp >> shift) & 0x0f) - == trans_values->gray) + == trans_color->gray) { *sp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff); *sp |= (png_byte)(background->gray << shift); } @@ -2932,9 +2795,9 @@ shift = 4; for (i = 0; i < row_width; i++) { if ((png_uint_16)((*sp >> shift) & 0x0f) - == trans_values->gray) + == trans_color->gray) { *sp &= (png_byte)((0xf0f >> (4 - shift)) & 0xff); *sp |= (png_byte)(background->gray << shift); } @@ -2957,9 +2820,9 @@ { sp = row; for (i = 0; i < row_width; i++, sp++) { - if (*sp == trans_values->gray) + if (*sp == trans_color->gray) { *sp = (png_byte)background->gray; } else @@ -2973,9 +2836,9 @@ { sp = row; for (i = 0; i < row_width; i++, sp++) { - if (*sp == trans_values->gray) + if (*sp == trans_color->gray) { *sp = (png_byte)background->gray; } } @@ -2993,9 +2856,9 @@ { png_uint_16 v; v = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - if (v == trans_values->gray) + if (v == trans_color->gray) { /* Background is already in screen gamma */ *sp = (png_byte)((background->gray >> 8) & 0xff); *(sp + 1) = (png_byte)(background->gray & 0xff); @@ -3016,9 +2879,9 @@ { png_uint_16 v; v = (png_uint_16)(((*sp) << 8) + *(sp + 1)); - if (v == trans_values->gray) + if (v == trans_color->gray) { *sp = (png_byte)((background->gray >> 8) & 0xff); *(sp + 1) = (png_byte)(background->gray & 0xff); } @@ -3039,11 +2902,11 @@ { sp = row; for (i = 0; i < row_width; i++, sp += 3) { - if (*sp == trans_values->red && - *(sp + 1) == trans_values->green && - *(sp + 2) == trans_values->blue) + if (*sp == trans_color->red && + *(sp + 1) == trans_color->green && + *(sp + 2) == trans_color->blue) { *sp = (png_byte)background->red; *(sp + 1) = (png_byte)background->green; *(sp + 2) = (png_byte)background->blue; @@ -3061,11 +2924,11 @@ { sp = row; for (i = 0; i < row_width; i++, sp += 3) { - if (*sp == trans_values->red && - *(sp + 1) == trans_values->green && - *(sp + 2) == trans_values->blue) + if (*sp == trans_color->red && + *(sp + 1) == trans_color->green && + *(sp + 2) == trans_color->blue) { *sp = (png_byte)background->red; *(sp + 1) = (png_byte)background->green; *(sp + 2) = (png_byte)background->blue; @@ -3083,10 +2946,10 @@ { png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp + 1)); png_uint_16 g = (png_uint_16)(((*(sp+2)) << 8) + *(sp+3)); png_uint_16 b = (png_uint_16)(((*(sp+4)) << 8) + *(sp+5)); - if (r == trans_values->red && g == trans_values->green && - b == trans_values->blue) + if (r == trans_color->red && g == trans_color->green && + b == trans_color->blue) { /* Background is already in screen gamma */ *sp = (png_byte)((background->red >> 8) & 0xff); *(sp + 1) = (png_byte)(background->red & 0xff); @@ -3118,10 +2981,10 @@ png_uint_16 r = (png_uint_16)(((*sp) << 8) + *(sp+1)); png_uint_16 g = (png_uint_16)(((*(sp+2)) << 8) + *(sp+3)); png_uint_16 b = (png_uint_16)(((*(sp+4)) << 8) + *(sp+5)); - if (r == trans_values->red && g == trans_values->green && - b == trans_values->blue) + if (r == trans_color->red && g == trans_color->green && + b == trans_color->blue) { *sp = (png_byte)((background->red >> 8) & 0xff); *(sp + 1) = (png_byte)(background->red & 0xff); *(sp + 2) = (png_byte)((background->green >> 8) & 0xff); @@ -3490,11 +3353,8 @@ png_debug(1, "in png_do_gamma"); if ( -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && -#endif ((row_info->bit_depth <= 8 && gamma_table != NULL) || (row_info->bit_depth == 16 && gamma_16_table != NULL))) { switch (row_info->color_type) @@ -3669,9 +3529,9 @@ * upon whether you supply trans and num_trans. */ void /* PRIVATE */ png_do_expand_palette(png_row_infop row_info, png_bytep row, - png_colorp palette, png_bytep trans, int num_trans) + png_colorp palette, png_bytep trans_alpha, int num_trans) { int shift, value; png_bytep sp, dp; png_uint_32 i; @@ -3679,11 +3539,8 @@ png_debug(1, "in png_do_expand_palette"); if ( -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && -#endif row_info->color_type == PNG_COLOR_TYPE_PALETTE) { if (row_info->bit_depth < 8) { @@ -3764,9 +3621,9 @@ switch (row_info->bit_depth) { case 8: { - if (trans != NULL) + if (trans_alpha != NULL) { sp = row + (png_size_t)row_width - 1; dp = row + (png_size_t)(row_width << 2) - 1; @@ -3774,9 +3631,9 @@ { if ((int)(*sp) >= num_trans) *dp-- = 0xff; else - *dp-- = trans[*sp]; + *dp-- = trans_alpha[*sp]; *dp-- = palette[*sp].blue; *dp-- = palette[*sp].green; *dp-- = palette[*sp].red; sp--; @@ -3825,11 +3682,8 @@ png_uint_32 row_width=row_info->width; png_debug(1, "in png_do_expand"); -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (row != NULL && row_info != NULL) -#endif { if (row_info->color_type == PNG_COLOR_TYPE_GRAY) { png_uint_16 gray = (png_uint_16)(trans_value ? trans_value->gray : 0); @@ -4037,11 +3891,8 @@ png_uint_32 row_width=row_info->width; png_debug(1, "in png_do_dither"); -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (row != NULL && row_info != NULL) -#endif { if (row_info->color_type == PNG_COLOR_TYPE_RGB && palette_lookup && row_info->bit_depth == 8) { @@ -4139,8 +3990,9 @@ * * AND * { * the screen_gamma is known + * * OR * * RGB_to_gray transformation is being performed * } @@ -4384,11 +4236,8 @@ { png_debug(1, "in png_do_read_intrapixel"); if ( -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && -#endif (row_info->color_type & PNG_COLOR_MASK_COLOR)) { int bytes_per_pixel; png_uint_32 row_width = row_info->width; diff -ru4NwbB libpng-1.2.41beta18/pngrutil.c libpng-1.4.0beta98/pngrutil.c --- libpng-1.2.41beta18/pngrutil.c 2009-11-11 15:01:32.711532089 -0600 +++ libpng-1.4.0beta98/pngrutil.c 2009-11-13 05:18:10.470696949 -0600 @@ -1,8 +1,8 @@ /* pngrutil.c - utilities to read a PNG file * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -13,59 +13,22 @@ * This file contains routines that are only called from within * libpng itself during the course of reading an image. */ -#define PNG_INTERNAL #include "png.h" #ifdef PNG_READ_SUPPORTED +#include "pngpriv.h" -#if defined(_WIN32_WCE) && (_WIN32_WCE<0x500) -# define WIN32_WCE_OLD -#endif - -#ifdef PNG_FLOATING_POINT_SUPPORTED -# ifdef WIN32_WCE_OLD -/* The strtod() function is not supported on WindowsCE */ -__inline double png_strtod(png_structp png_ptr, PNG_CONST char *nptr, char **endptr) -{ - double result = 0; - int len; - wchar_t *str, *end; - - len = MultiByteToWideChar(CP_ACP, 0, nptr, -1, NULL, 0); - str = (wchar_t *)png_malloc(png_ptr, len * png_sizeof(wchar_t)); - if ( NULL != str ) - { - MultiByteToWideChar(CP_ACP, 0, nptr, -1, str, len); - result = wcstod(str, &end); - len = WideCharToMultiByte(CP_ACP, 0, end, -1, NULL, 0, NULL, NULL); - *endptr = (char *)nptr + (png_strlen(nptr) - len + 1); - png_free(png_ptr, str); - } - return result; -} -# else # define png_strtod(p,a,b) strtod(a,b) -# endif -#endif - png_uint_32 PNGAPI png_get_uint_31(png_structp png_ptr, png_bytep buf) { -#ifdef PNG_READ_BIG_ENDIAN_SUPPORTED png_uint_32 i = png_get_uint_32(buf); -#else - /* Avoid an extra function call by inlining the result. */ - png_uint_32 i = ((png_uint_32)(*buf) << 24) + - ((png_uint_32)(*(buf + 1)) << 16) + - ((png_uint_32)(*(buf + 2)) << 8) + - (png_uint_32)(*(buf + 3)); -#endif if (i > PNG_UINT_31_MAX) - png_error(png_ptr, "PNG unsigned integer out of range."); + png_error(png_ptr, "PNG unsigned integer out of range"); return (i); } -#ifndef PNG_READ_BIG_ENDIAN_SUPPORTED +#ifndef PNG_USE_READ_MACROS /* Grab an unsigned 32-bit integer from a buffer in big-endian format. */ png_uint_32 PNGAPI png_get_uint_32(png_bytep buf) { @@ -100,9 +63,9 @@ (png_uint_16)(*(buf + 1))); return (i); } -#endif /* PNG_READ_BIG_ENDIAN_SUPPORTED */ +#endif /* PNG_USE_READ_MACROS */ /* Read the chunk header (length + type name). * Put the type name into png_ptr->chunk_name, and return the length. */ @@ -111,8 +74,15 @@ { png_byte buf[8]; png_uint_32 length; +#ifdef PNG_IO_STATE_SUPPORTED + /* Inform the I/O callback that the chunk header is being read. + * PNG_IO_CHUNK_HDR requires a single I/O call. + */ + png_ptr->io_state = PNG_IO_READING | PNG_IO_CHUNK_HDR; +#endif + /* Read the length and the chunk name */ png_read_data(png_ptr, buf, 8); length = png_get_uint_31(png_ptr, buf); @@ -128,8 +98,15 @@ /* Check to see if chunk name is valid */ png_check_chunk_name(png_ptr, png_ptr->chunk_name); +#ifdef PNG_IO_STATE_SUPPORTED + /* Inform the I/O callback that chunk data will (possibly) be read. + * PNG_IO_CHUNK_DATA does NOT require a specific number of I/O calls. + */ + png_ptr->io_state = PNG_IO_READING | PNG_IO_CHUNK_DATA; +#endif + return length; } /* Read data, and (optionally) run it through the CRC. */ @@ -172,9 +149,10 @@ png_chunk_warning(png_ptr, "CRC error"); } else { - png_chunk_error(png_ptr, "CRC error"); + png_chunk_benign_error(png_ptr, "CRC error"); + return (0); } return (1); } @@ -202,8 +180,14 @@ if (png_ptr->flags & PNG_FLAG_CRC_CRITICAL_IGNORE) need_crc = 0; } +#ifdef PNG_IO_STATE_SUPPORTED + /* Inform the I/O callback that the chunk CRC is being read */ + /* PNG_IO_CHUNK_CRC requires the I/O to be done at once */ + png_ptr->io_state = PNG_IO_READING | PNG_IO_CHUNK_CRC; +#endif + png_read_data(png_ptr, crc_bytes, 4); if (need_crc) { @@ -289,9 +273,9 @@ { png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = NULL; png_error(png_ptr, - "Not enough memory to decompress chunk."); + "Not enough memory to decompress chunk"); } png_memcpy(text + prefix_size, png_ptr->zbuf, text_size - prefix_size); png_memcpy(text, png_ptr->chunkdata, prefix_size); @@ -301,18 +285,32 @@ { png_charp tmp; tmp = text; +#ifdef PNG_SET_USER_LIMITS_SUPPORTED + if ((png_ptr->user_chunk_cache_max != 0) && + (--png_ptr->user_chunk_cache_max == 0)) + { + png_warning(png_ptr, "No space in chunk cache"); + text = NULL; + } + + else + { +#endif text = (png_charp)png_malloc_warn(png_ptr, - (png_uint_32)(text_size + + (png_size_t)(text_size + png_ptr->zbuf_size - png_ptr->zstream.avail_out + 1)); +#ifdef PNG_SET_USER_LIMITS_SUPPORTED + } +#endif if (text == NULL) { png_free(png_ptr, tmp); png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = NULL; png_error(png_ptr, - "Not enough memory to decompress chunk.."); + "Not enough memory to decompress chunk"); } png_memcpy(text, tmp, text_size); png_free(png_ptr, tmp); png_memcpy(text + text_size, png_ptr->zbuf, @@ -330,9 +328,9 @@ } } if (ret != Z_STREAM_END) { -#if defined(PNG_STDIO_SUPPORTED) && !defined(_WIN32_WCE) +#ifdef PNG_STDIO_SUPPORTED char umsg[52]; if (ret == Z_BUF_ERROR) png_snprintf(umsg, 52, @@ -361,9 +359,9 @@ if (text == NULL) { png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = NULL; - png_error(png_ptr, "Not enough memory for text."); + png_error(png_ptr, "Not enough memory for text"); } png_memcpy(text, png_ptr->chunkdata, prefix_size); } *(text + text_size) = 0x00; @@ -377,9 +375,9 @@ *newlength=text_size; } else /* if (comp_type != PNG_COMPRESSION_TYPE_BASE) */ { -#if defined(PNG_STDIO_SUPPORTED) && !defined(_WIN32_WCE) +#ifdef PNG_STDIO_SUPPORTED char umsg[50]; png_snprintf(umsg, 50, "Unknown zTXt compression type %d", comp_type); png_warning(png_ptr, umsg); @@ -570,9 +568,9 @@ if (!(png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_USE)) { if (png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_NOWARN) { - png_chunk_error(png_ptr, "CRC error"); + png_chunk_benign_error(png_ptr, "CRC error"); } else { png_chunk_warning(png_ptr, "CRC error"); @@ -1108,9 +1106,9 @@ if (profile_size > profile_length) { png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = NULL; - png_warning(png_ptr, "Ignoring truncated iCCP profile."); + png_warning(png_ptr, "Ignoring truncated iCCP profile"); return; } png_set_iCCP(png_ptr, info_ptr, png_ptr->chunkdata, @@ -1135,8 +1133,26 @@ png_size_t slength; png_debug(1, "in png_handle_sPLT"); +#ifdef PNG_SET_USER_LIMITS_SUPPORTED + + if (png_ptr->user_chunk_cache_max != 0) + { + if (png_ptr->user_chunk_cache_max == 1) + { + png_crc_finish(png_ptr, length); + return; + } + if (--png_ptr->user_chunk_cache_max == 1) + { + png_warning(png_ptr, "No space in chunk cache for sPLT"); + png_crc_finish(png_ptr, length); + return; + } + } +#endif + if (!(png_ptr->mode & PNG_HAVE_IHDR)) png_error(png_ptr, "Missing IHDR before sPLT"); else if (png_ptr->mode & PNG_HAVE_IDAT) { @@ -1299,9 +1315,9 @@ } png_crc_read(png_ptr, buf, 2); png_ptr->num_trans = 1; - png_ptr->trans_values.gray = png_get_uint_16(buf); + png_ptr->trans_color.gray = png_get_uint_16(buf); } else if (png_ptr->color_type == PNG_COLOR_TYPE_RGB) { png_byte buf[6]; @@ -1313,11 +1329,11 @@ return; } png_crc_read(png_ptr, buf, (png_size_t)length); png_ptr->num_trans = 1; - png_ptr->trans_values.red = png_get_uint_16(buf); - png_ptr->trans_values.green = png_get_uint_16(buf + 2); - png_ptr->trans_values.blue = png_get_uint_16(buf + 4); + png_ptr->trans_color.red = png_get_uint_16(buf); + png_ptr->trans_color.green = png_get_uint_16(buf + 2); + png_ptr->trans_color.blue = png_get_uint_16(buf + 4); } else if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE) { if (!(png_ptr->mode & PNG_HAVE_PLTE)) @@ -1354,9 +1370,9 @@ return; } png_set_tRNS(png_ptr, info_ptr, readbuf, png_ptr->num_trans, - &(png_ptr->trans_values)); + &(png_ptr->trans_color)); } #endif #ifdef PNG_READ_bKGD_SUPPORTED @@ -1622,9 +1638,9 @@ png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1); if (png_ptr->chunkdata == NULL) { - png_warning(png_ptr, "No memory for pCAL purpose."); + png_warning(png_ptr, "No memory for pCAL purpose"); return; } slength = (png_size_t)length; png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength); @@ -1683,14 +1699,14 @@ /* Empty loop to move past the units string. */ ; png_debug(3, "Allocating pCAL parameters array"); params = (png_charpp)png_malloc_warn(png_ptr, - (png_uint_32)(nparams * png_sizeof(png_charp))) ; + (png_size_t)(nparams * png_sizeof(png_charp))); if (params == NULL) { png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = NULL; - png_warning(png_ptr, "No memory for pCAL params."); + png_warning(png_ptr, "No memory for pCAL params"); return; } /* Get pointers to the start of each parameter string. */ @@ -1791,9 +1807,9 @@ { png_warning(png_ptr, "Out of memory while processing sCAL chunk width"); return; } - png_memcpy(swidth, ep, (png_size_t)png_strlen(ep)); + png_memcpy(swidth, ep, png_strlen(ep)); #endif #endif for (ep = png_ptr->chunkdata; *ep; ep++) @@ -1826,9 +1842,9 @@ { png_warning(png_ptr, "Out of memory while processing sCAL chunk height"); return; } - png_memcpy(sheight, ep, (png_size_t)png_strlen(ep)); + png_memcpy(sheight, ep, png_strlen(ep)); #endif #endif if (png_ptr->chunkdata + slength < ep @@ -1921,8 +1937,25 @@ int ret; png_debug(1, "in png_handle_tEXt"); +#ifdef PNG_SET_USER_LIMITS_SUPPORTED + if (png_ptr->user_chunk_cache_max != 0) + { + if (png_ptr->user_chunk_cache_max == 1) + { + png_crc_finish(png_ptr, length); + return; + } + if (--png_ptr->user_chunk_cache_max == 1) + { + png_warning(png_ptr, "No space in chunk cache for tEXt"); + png_crc_finish(png_ptr, length); + return; + } + } +#endif + if (!(png_ptr->mode & PNG_HAVE_IHDR)) png_error(png_ptr, "Missing IHDR before tEXt"); if (png_ptr->mode & PNG_HAVE_IDAT) @@ -1941,9 +1974,9 @@ png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1); if (png_ptr->chunkdata == NULL) { - png_warning(png_ptr, "No memory to process text chunk."); + png_warning(png_ptr, "No memory to process text chunk"); return; } slength = (png_size_t)length; png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength); @@ -1965,12 +1998,12 @@ if (text != key + slength) text++; text_ptr = (png_textp)png_malloc_warn(png_ptr, - (png_uint_32)png_sizeof(png_text)); + png_sizeof(png_text)); if (text_ptr == NULL) { - png_warning(png_ptr, "Not enough memory to process text chunk."); + png_warning(png_ptr, "Not enough memory to process text chunk"); png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = NULL; return; } @@ -1989,9 +2022,9 @@ png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = NULL; png_free(png_ptr, text_ptr); if (ret) - png_warning(png_ptr, "Insufficient memory to process text chunk."); + png_warning(png_ptr, "Insufficient memory to process text chunk"); } #endif #ifdef PNG_READ_zTXt_SUPPORTED @@ -2006,8 +2039,25 @@ png_size_t slength, prefix_len, data_len; png_debug(1, "in png_handle_zTXt"); +#ifdef PNG_SET_USER_LIMITS_SUPPORTED + if (png_ptr->user_chunk_cache_max != 0) + { + if (png_ptr->user_chunk_cache_max == 1) + { + png_crc_finish(png_ptr, length); + return; + } + if (--png_ptr->user_chunk_cache_max == 1) + { + png_warning(png_ptr, "No space in chunk cache for zTXt"); + png_crc_finish(png_ptr, length); + return; + } + } +#endif + if (!(png_ptr->mode & PNG_HAVE_IHDR)) png_error(png_ptr, "Missing IHDR before zTXt"); if (png_ptr->mode & PNG_HAVE_IDAT) @@ -2027,9 +2077,9 @@ png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1); if (png_ptr->chunkdata == NULL) { - png_warning(png_ptr, "Out of memory processing zTXt chunk."); + png_warning(png_ptr, "Out of memory processing zTXt chunk"); return; } slength = (png_size_t)length; png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength); @@ -2068,12 +2118,12 @@ png_decompress_chunk(png_ptr, comp_type, (png_size_t)length, prefix_len, &data_len); text_ptr = (png_textp)png_malloc_warn(png_ptr, - (png_uint_32)png_sizeof(png_text)); + png_sizeof(png_text)); if (text_ptr == NULL) { - png_warning(png_ptr, "Not enough memory to process zTXt chunk."); + png_warning(png_ptr, "Not enough memory to process zTXt chunk"); png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = NULL; return; } @@ -2092,9 +2142,9 @@ png_free(png_ptr, text_ptr); png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = NULL; if (ret) - png_error(png_ptr, "Insufficient memory to store zTXt chunk."); + png_error(png_ptr, "Insufficient memory to store zTXt chunk"); } #endif #ifdef PNG_READ_iTXt_SUPPORTED @@ -2110,8 +2160,25 @@ png_size_t slength, prefix_len, data_len; png_debug(1, "in png_handle_iTXt"); +#ifdef PNG_SET_USER_LIMITS_SUPPORTED + if (png_ptr->user_chunk_cache_max != 0) + { + if (png_ptr->user_chunk_cache_max == 1) + { + png_crc_finish(png_ptr, length); + return; + } + if (--png_ptr->user_chunk_cache_max == 1) + { + png_warning(png_ptr, "No space in chunk cache for iTXt"); + png_crc_finish(png_ptr, length); + return; + } + } +#endif + if (!(png_ptr->mode & PNG_HAVE_IHDR)) png_error(png_ptr, "Missing IHDR before iTXt"); if (png_ptr->mode & PNG_HAVE_IDAT) @@ -2131,9 +2198,9 @@ png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1); if (png_ptr->chunkdata == NULL) { - png_warning(png_ptr, "No memory to process iTXt chunk."); + png_warning(png_ptr, "No memory to process iTXt chunk"); return; } slength = (png_size_t)length; png_crc_read(png_ptr, (png_bytep)png_ptr->chunkdata, slength); @@ -2199,12 +2266,12 @@ (size_t)length, prefix_len, &data_len); else data_len = png_strlen(png_ptr->chunkdata + prefix_len); text_ptr = (png_textp)png_malloc_warn(png_ptr, - (png_uint_32)png_sizeof(png_text)); + png_sizeof(png_text)); if (text_ptr == NULL) { - png_warning(png_ptr, "Not enough memory to process iTXt chunk."); + png_warning(png_ptr, "Not enough memory to process iTXt chunk"); png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = NULL; return; } @@ -2221,9 +2288,9 @@ png_free(png_ptr, text_ptr); png_free(png_ptr, png_ptr->chunkdata); png_ptr->chunkdata = NULL; if (ret) - png_error(png_ptr, "Insufficient memory to store iTXt chunk."); + png_error(png_ptr, "Insufficient memory to store iTXt chunk"); } #endif /* This function is called when we haven't found a handler for a @@ -2237,13 +2304,28 @@ png_uint_32 skip = 0; png_debug(1, "in png_handle_unknown"); - if (png_ptr->mode & PNG_HAVE_IDAT) +#ifdef PNG_SET_USER_LIMITS_SUPPORTED + if (png_ptr->user_chunk_cache_max != 0) + { + if (png_ptr->user_chunk_cache_max == 1) + { + png_crc_finish(png_ptr, length); + return; + } + if (--png_ptr->user_chunk_cache_max == 1) { -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IDAT; + png_warning(png_ptr, "No space in chunk cache for unknown chunk"); + png_crc_finish(png_ptr, length); + return; + } + } #endif + + if (png_ptr->mode & PNG_HAVE_IDAT) + { + PNG_IDAT; if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) /* Not an IDAT */ png_ptr->mode |= PNG_AFTER_IDAT; } @@ -2932,9 +3014,9 @@ #ifdef PNG_READ_INTERLACING_SUPPORTED if (png_ptr->interlaced) { png_ptr->row_number = 0; - png_memset_check(png_ptr, png_ptr->prev_row, 0, + png_memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1); do { png_ptr->pass++; @@ -2967,11 +3049,9 @@ #endif /* PNG_READ_INTERLACING_SUPPORTED */ if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED)) { -#ifdef PNG_USE_LOCAL_ARRAYS - PNG_CONST PNG_IDAT; -#endif + PNG_IDAT; char extra; int ret; png_ptr->zstream.next_out = (Byte *)&extra; @@ -3016,9 +3096,9 @@ "Decompression Error"); if (!(png_ptr->zstream.avail_out)) { - png_warning(png_ptr, "Extra compressed data."); + png_warning(png_ptr, "Extra compressed data"); png_ptr->mode |= PNG_AFTER_IDAT; png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED; break; } @@ -3212,24 +3292,23 @@ png_ptr->old_big_row_buf_size = row_bytes + 64; } #ifdef PNG_MAX_MALLOC_64K - if ((png_uint_32)row_bytes + 1 > (png_uint_32)65536L) + if ((png_uint_32)png_ptr->rowbytes + 1 > (png_uint_32)65536L) png_error(png_ptr, "This image requires a row greater than 64KB"); #endif - if ((png_uint_32)row_bytes > (png_uint_32)(PNG_SIZE_MAX - 1)) - png_error(png_ptr, "Row has too many bytes to allocate in memory."); + if ((png_uint_32)png_ptr->rowbytes > (png_uint_32)(PNG_SIZE_MAX - 1)) + png_error(png_ptr, "Row has too many bytes to allocate in memory"); - if (row_bytes + 1 > png_ptr->old_prev_row_size) + if (png_ptr->rowbytes + 1 > png_ptr->old_prev_row_size) { png_free(png_ptr, png_ptr->prev_row); png_ptr->prev_row = (png_bytep)png_malloc(png_ptr, (png_uint_32)( - row_bytes + 1)); - png_memset_check(png_ptr, png_ptr->prev_row, 0, row_bytes + 1); - png_ptr->old_prev_row_size = row_bytes + 1; + png_ptr->rowbytes + 1)); + png_ptr->old_prev_row_size = png_ptr->rowbytes + 1; } - png_ptr->rowbytes = row_bytes; + png_memset(png_ptr->prev_row, 0, png_ptr->rowbytes + 1); png_debug1(3, "width = %lu,", png_ptr->width); png_debug1(3, "height = %lu,", png_ptr->height); png_debug1(3, "iwidth = %lu,", png_ptr->iwidth); diff -ru4NwbB libpng-1.2.41beta18/pngset.c libpng-1.4.0beta98/pngset.c --- libpng-1.2.41beta18/pngset.c 2009-11-11 15:01:32.719815019 -0600 +++ libpng-1.4.0beta98/pngset.c 2009-11-13 05:18:10.479018348 -0600 @@ -1,8 +1,8 @@ /* pngset.c - storage of image information into info struct * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -15,11 +15,11 @@ * into the info struct for writing into the file. This abstracts the * info struct and allows us to change the structure in the future. */ -#define PNG_INTERNAL #include "png.h" #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) +#include "pngpriv.h" #ifdef PNG_bKGD_SUPPORTED void PNGAPI png_set_bKGD(png_structp png_ptr, png_infop info_ptr, png_color_16p background) @@ -190,36 +190,30 @@ if (info_ptr->num_palette == 0 || info_ptr->num_palette > PNG_MAX_PALETTE_LENGTH) { png_warning(png_ptr, - "Invalid palette size, hIST allocation skipped."); + "Invalid palette size, hIST allocation skipped"); return; } -#ifdef PNG_FREE_ME_SUPPORTED png_free_data(png_ptr, info_ptr, PNG_FREE_HIST, 0); -#endif /* Changed from info->num_palette to PNG_MAX_PALETTE_LENGTH in * version 1.2.1 */ png_ptr->hist = (png_uint_16p)png_malloc_warn(png_ptr, - (png_uint_32)(PNG_MAX_PALETTE_LENGTH * png_sizeof(png_uint_16))); + PNG_MAX_PALETTE_LENGTH * png_sizeof(png_uint_16)); if (png_ptr->hist == NULL) { - png_warning(png_ptr, "Insufficient memory for hIST chunk data."); + png_warning(png_ptr, "Insufficient memory for hIST chunk data"); return; } for (i = 0; i < info_ptr->num_palette; i++) png_ptr->hist[i] = hist[i]; info_ptr->hist = png_ptr->hist; info_ptr->valid |= PNG_INFO_hIST; -#ifdef PNG_FREE_ME_SUPPORTED info_ptr->free_me |= PNG_FREE_HIST; -#else - png_ptr->flags |= PNG_FLAG_FREE_HIST; -#endif } #endif void PNGAPI @@ -261,9 +255,9 @@ - 64 /* bigrowbuf hack */ - 1 /* filter byte */ - 7*8 /* rounding of width to multiple of 8 pixels */ - 8) /* extra max_pixel_depth pad */ - info_ptr->rowbytes = (png_size_t)0; + info_ptr->rowbytes = 0; else info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width); } @@ -289,9 +283,9 @@ png_set_pCAL(png_structp png_ptr, png_infop info_ptr, png_charp purpose, png_int_32 X0, png_int_32 X1, int type, int nparams, png_charp units, png_charpp params) { - png_uint_32 length; + png_size_t length; int i; png_debug1(1, "in %s storage function", "pCAL"); @@ -303,12 +297,12 @@ (unsigned long)length); info_ptr->pcal_purpose = (png_charp)png_malloc_warn(png_ptr, length); if (info_ptr->pcal_purpose == NULL) { - png_warning(png_ptr, "Insufficient memory for pCAL purpose."); + png_warning(png_ptr, "Insufficient memory for pCAL purpose"); return; } - png_memcpy(info_ptr->pcal_purpose, purpose, (png_size_t)length); + png_memcpy(info_ptr->pcal_purpose, purpose, length); png_debug(3, "storing X0, X1, type, and nparams in info"); info_ptr->pcal_X0 = X0; info_ptr->pcal_X1 = X1; @@ -320,18 +314,18 @@ (unsigned long)length); info_ptr->pcal_units = (png_charp)png_malloc_warn(png_ptr, length); if (info_ptr->pcal_units == NULL) { - png_warning(png_ptr, "Insufficient memory for pCAL units."); + png_warning(png_ptr, "Insufficient memory for pCAL units"); return; } - png_memcpy(info_ptr->pcal_units, units, (png_size_t)length); + png_memcpy(info_ptr->pcal_units, units, length); info_ptr->pcal_params = (png_charpp)png_malloc_warn(png_ptr, - (png_uint_32)((nparams + 1) * png_sizeof(png_charp))); + (png_size_t)((nparams + 1) * png_sizeof(png_charp))); if (info_ptr->pcal_params == NULL) { - png_warning(png_ptr, "Insufficient memory for pCAL params."); + png_warning(png_ptr, "Insufficient memory for pCAL params"); return; } png_memset(info_ptr->pcal_params, 0, (nparams + 1) * png_sizeof(png_charp)); @@ -343,18 +337,16 @@ (unsigned long)length); info_ptr->pcal_params[i] = (png_charp)png_malloc_warn(png_ptr, length); if (info_ptr->pcal_params[i] == NULL) { - png_warning(png_ptr, "Insufficient memory for pCAL parameter."); + png_warning(png_ptr, "Insufficient memory for pCAL parameter"); return; } - png_memcpy(info_ptr->pcal_params[i], params[i], (png_size_t)length); + png_memcpy(info_ptr->pcal_params[i], params[i], length); } info_ptr->valid |= PNG_INFO_pCAL; -#ifdef PNG_FREE_ME_SUPPORTED info_ptr->free_me |= PNG_FREE_PCAL; -#endif } #endif #if defined(PNG_READ_sCAL_SUPPORTED) || defined(PNG_WRITE_sCAL_SUPPORTED) @@ -379,9 +371,9 @@ void PNGAPI png_set_sCAL_s(png_structp png_ptr, png_infop info_ptr, int unit, png_charp swidth, png_charp sheight) { - png_uint_32 length; + png_size_t length; png_debug1(1, "in %s storage function", "sCAL"); if (png_ptr == NULL || info_ptr == NULL) @@ -395,12 +387,12 @@ info_ptr->scal_s_width = (png_charp)png_malloc_warn(png_ptr, length); if (info_ptr->scal_s_width == NULL) { png_warning(png_ptr, - "Memory allocation failed while processing sCAL."); + "Memory allocation failed while processing sCAL"); return; } - png_memcpy(info_ptr->scal_s_width, swidth, (png_size_t)length); + png_memcpy(info_ptr->scal_s_width, swidth, length); length = png_strlen(sheight) + 1; png_debug1(3, "allocating unit for info (%u bytes)", (unsigned int)length); @@ -409,16 +401,14 @@ { png_free (png_ptr, info_ptr->scal_s_width); info_ptr->scal_s_width = NULL; png_warning(png_ptr, - "Memory allocation failed while processing sCAL."); + "Memory allocation failed while processing sCAL"); return; } - png_memcpy(info_ptr->scal_s_height, sheight, (png_size_t)length); + png_memcpy(info_ptr->scal_s_height, sheight, length); info_ptr->valid |= PNG_INFO_sCAL; -#ifdef PNG_FREE_ME_SUPPORTED info_ptr->free_me |= PNG_FREE_SCAL; -#endif } #endif #endif #endif @@ -465,11 +455,9 @@ * It may not actually be necessary to set png_ptr->palette here; * we do it for backward compatibility with the way the png_handle_tRNS * function used to do the allocation. */ -#ifdef PNG_FREE_ME_SUPPORTED png_free_data(png_ptr, info_ptr, PNG_FREE_PLTE, 0); -#endif /* Changed in libpng-1.2.1 to allocate PNG_MAX_PALETTE_LENGTH instead * of num_palette entries, in case of an invalid PNG file that has * too-large sample values. @@ -479,13 +467,9 @@ png_memcpy(png_ptr->palette, palette, num_palette * png_sizeof(png_color)); info_ptr->palette = png_ptr->palette; info_ptr->num_palette = png_ptr->num_palette = (png_uint_16)num_palette; -#ifdef PNG_FREE_ME_SUPPORTED info_ptr->free_me |= PNG_FREE_PLTE; -#else - png_ptr->flags |= PNG_FLAG_FREE_PLTE; -#endif info_ptr->valid |= PNG_INFO_PLTE; } @@ -607,18 +591,18 @@ length = png_strlen(name)+1; new_iccp_name = (png_charp)png_malloc_warn(png_ptr, length); if (new_iccp_name == NULL) { - png_warning(png_ptr, "Insufficient memory to process iCCP chunk."); + png_warning(png_ptr, "Insufficient memory to process iCCP chunk"); return; } png_memcpy(new_iccp_name, name, length); new_iccp_profile = (png_charp)png_malloc_warn(png_ptr, proflen); if (new_iccp_profile == NULL) { png_free (png_ptr, new_iccp_name); png_warning(png_ptr, - "Insufficient memory to process iCCP profile."); + "Insufficient memory to process iCCP profile"); return; } png_memcpy(new_iccp_profile, profile, (png_size_t)proflen); @@ -629,11 +613,9 @@ info_ptr->iccp_profile = new_iccp_profile; /* Compression is always zero but is here so the API and info structure * does not have to change if we introduce multiple compression types */ info_ptr->iccp_compression = (png_byte)compression_type; -#ifdef PNG_FREE_ME_SUPPORTED info_ptr->free_me |= PNG_FREE_ICCP; -#endif info_ptr->valid |= PNG_INFO_iCCP; } #endif @@ -674,9 +656,9 @@ old_max = info_ptr->max_text; info_ptr->max_text = info_ptr->num_text + num_text + 8; old_text = info_ptr->text; info_ptr->text = (png_textp)png_malloc_warn(png_ptr, - (png_uint_32)(info_ptr->max_text * png_sizeof(png_text))); + (png_size_t)(info_ptr->max_text * png_sizeof(png_text))); if (info_ptr->text == NULL) { png_free(png_ptr, old_text); return(1); @@ -689,14 +671,12 @@ { info_ptr->max_text = num_text + 8; info_ptr->num_text = 0; info_ptr->text = (png_textp)png_malloc_warn(png_ptr, - (png_uint_32)(info_ptr->max_text * png_sizeof(png_text))); + (png_size_t)(info_ptr->max_text * png_sizeof(png_text))); if (info_ptr->text == NULL) return(1); -#ifdef PNG_FREE_ME_SUPPORTED info_ptr->free_me |= PNG_FREE_TEXT; -#endif } png_debug1(3, "allocated %d entries for info_ptr->text", info_ptr->max_text); } @@ -732,9 +712,9 @@ lang_key_len = 0; } #else /* PNG_iTXt_SUPPORTED */ { - png_warning(png_ptr, "iTXt chunk not supported."); + png_warning(png_ptr, "iTXt chunk not supported"); continue; } #endif @@ -755,14 +735,14 @@ textp->compression = text_ptr[i].compression; } textp->key = (png_charp)png_malloc_warn(png_ptr, - (png_uint_32) + (png_size_t) (key_len + text_length + lang_len + lang_key_len + 4)); if (textp->key == NULL) return(1); png_debug2(2, "Allocated %lu bytes at %x in png_set_text", - (png_uint_32) + (unsigned long)(png_uint_32) (key_len + lang_len + lang_key_len + text_length + 4), (int)textp->key); png_memcpy(textp->key, text_ptr[i].key,(png_size_t)(key_len)); @@ -831,45 +811,43 @@ #ifdef PNG_tRNS_SUPPORTED void PNGAPI png_set_tRNS(png_structp png_ptr, png_infop info_ptr, - png_bytep trans, int num_trans, png_color_16p trans_values) + png_bytep trans_alpha, int num_trans, png_color_16p trans_color) { png_debug1(1, "in %s storage function", "tRNS"); if (png_ptr == NULL || info_ptr == NULL) return; - if (trans != NULL) + if (trans_alpha != NULL) { - /* It may not actually be necessary to set png_ptr->trans here; + /* It may not actually be necessary to set png_ptr->trans_alpha here; * we do it for backward compatibility with the way the png_handle_tRNS * function used to do the allocation. */ -#ifdef PNG_FREE_ME_SUPPORTED png_free_data(png_ptr, info_ptr, PNG_FREE_TRNS, 0); -#endif /* Changed from num_trans to PNG_MAX_PALETTE_LENGTH in version 1.2.1 */ - png_ptr->trans = info_ptr->trans = (png_bytep)png_malloc(png_ptr, - (png_uint_32)PNG_MAX_PALETTE_LENGTH); + png_ptr->trans_alpha = info_ptr->trans_alpha = (png_bytep)png_malloc(png_ptr, + (png_size_t)PNG_MAX_PALETTE_LENGTH); if (num_trans > 0 && num_trans <= PNG_MAX_PALETTE_LENGTH) - png_memcpy(info_ptr->trans, trans, (png_size_t)num_trans); + png_memcpy(info_ptr->trans_alpha, trans_alpha, (png_size_t)num_trans); } - if (trans_values != NULL) + if (trans_color != NULL) { int sample_max = (1 << info_ptr->bit_depth); if ((info_ptr->color_type == PNG_COLOR_TYPE_GRAY && - (int)trans_values->gray > sample_max) || + (int)trans_color->gray > sample_max) || (info_ptr->color_type == PNG_COLOR_TYPE_RGB && - ((int)trans_values->red > sample_max || - (int)trans_values->green > sample_max || - (int)trans_values->blue > sample_max))) + ((int)trans_color->red > sample_max || + (int)trans_color->green > sample_max || + (int)trans_color->blue > sample_max))) png_warning(png_ptr, "tRNS chunk has out-of-range samples for bit_depth"); - png_memcpy(&(info_ptr->trans_values), trans_values, + png_memcpy(&(info_ptr->trans_color), trans_color, png_sizeof(png_color_16)); if (num_trans == 0) num_trans = 1; } @@ -877,13 +855,9 @@ info_ptr->num_trans = (png_uint_16)num_trans; if (num_trans != 0) { info_ptr->valid |= PNG_INFO_tRNS; -#ifdef PNG_FREE_ME_SUPPORTED info_ptr->free_me |= PNG_FREE_TRNS; -#else - png_ptr->flags |= PNG_FLAG_FREE_TRNS; -#endif } } #endif @@ -906,12 +880,12 @@ return; np = (png_sPLT_tp)png_malloc_warn(png_ptr, (info_ptr->splt_palettes_num + nentries) * - (png_uint_32)png_sizeof(png_sPLT_t)); + (png_size_t)png_sizeof(png_sPLT_t)); if (np == NULL) { - png_warning(png_ptr, "No memory for sPLT palettes."); + png_warning(png_ptr, "No memory for sPLT palettes"); return; } png_memcpy(np, info_ptr->splt_palettes, @@ -925,18 +899,18 @@ png_sPLT_tp from = entries + i; png_uint_32 length; length = png_strlen(from->name) + 1; - to->name = (png_charp)png_malloc_warn(png_ptr, length); + to->name = (png_charp)png_malloc_warn(png_ptr, (png_size_t)length); if (to->name == NULL) { png_warning(png_ptr, "Out of memory while processing sPLT chunk"); continue; } png_memcpy(to->name, from->name, length); to->entries = (png_sPLT_entryp)png_malloc_warn(png_ptr, - (png_uint_32)(from->nentries * png_sizeof(png_sPLT_entry))); + (png_size_t)(from->nentries * png_sizeof(png_sPLT_entry))); if (to->entries == NULL) { png_warning(png_ptr, "Out of memory while processing sPLT chunk"); @@ -952,11 +926,9 @@ info_ptr->splt_palettes = np; info_ptr->splt_palettes_num += nentries; info_ptr->valid |= PNG_INFO_sPLT; -#ifdef PNG_FREE_ME_SUPPORTED info_ptr->free_me |= PNG_FREE_SPLT; -#endif } #endif /* PNG_sPLT_SUPPORTED */ #ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED @@ -970,21 +942,20 @@ if (png_ptr == NULL || info_ptr == NULL || num_unknowns == 0) return; np = (png_unknown_chunkp)png_malloc_warn(png_ptr, - (png_uint_32)((info_ptr->unknown_chunks_num + num_unknowns) * + (png_size_t)((info_ptr->unknown_chunks_num + num_unknowns) * png_sizeof(png_unknown_chunk))); if (np == NULL) { png_warning(png_ptr, - "Out of memory while processing unknown chunk."); + "Out of memory while processing unknown chunk"); return; } png_memcpy(np, info_ptr->unknown_chunks, info_ptr->unknown_chunks_num * png_sizeof(png_unknown_chunk)); png_free(png_ptr, info_ptr->unknown_chunks); - info_ptr->unknown_chunks=NULL; for (i = 0; i < num_unknowns; i++) { png_unknown_chunkp to = np + info_ptr->unknown_chunks_num + i; @@ -1002,13 +973,13 @@ to->data=NULL; else { to->data = (png_bytep)png_malloc_warn(png_ptr, - (png_uint_32)from->size); + (png_size_t)from->size); if (to->data == NULL) { png_warning(png_ptr, - "Out of memory while processing unknown chunk."); + "Out of memory while processing unknown chunk"); to->size = 0; } else png_memcpy(to->data, from->data, from->size); @@ -1016,11 +987,9 @@ } info_ptr->unknown_chunks = np; info_ptr->unknown_chunks_num += num_unknowns; -#ifdef PNG_FREE_ME_SUPPORTED info_ptr->free_me |= PNG_FREE_UNKN; -#endif } void PNGAPI png_set_unknown_chunk_location(png_structp png_ptr, png_infop info_ptr, int chunk, int location) @@ -1030,27 +999,8 @@ info_ptr->unknown_chunks[chunk].location = (png_byte)location; } #endif -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -#if defined(PNG_READ_EMPTY_PLTE_SUPPORTED) || \ - defined(PNG_WRITE_EMPTY_PLTE_SUPPORTED) -void PNGAPI -png_permit_empty_plte (png_structp png_ptr, int empty_plte_permitted) -{ - /* This function is deprecated in favor of png_permit_mng_features() - and will be removed from libpng-1.3.0 */ - - png_debug(1, "in png_permit_empty_plte, DEPRECATED."); - - if (png_ptr == NULL) - return; - png_ptr->mng_features_permitted = (png_byte) - ((png_ptr->mng_features_permitted & (~PNG_FLAG_MNG_EMPTY_PLTE)) | - ((empty_plte_permitted & PNG_FLAG_MNG_EMPTY_PLTE))); -} -#endif -#endif #ifdef PNG_MNG_FEATURES_SUPPORTED png_uint_32 PNGAPI png_permit_mng_features (png_structp png_ptr, png_uint_32 mng_features) @@ -1090,9 +1040,9 @@ if (chunk_list == NULL) return; old_num_chunks = png_ptr->num_chunk_list; new_list=(png_bytep)png_malloc(png_ptr, - (png_uint_32) + (png_size_t) (5*(num_chunks + old_num_chunks))); if (png_ptr->chunk_list != NULL) { png_memcpy(new_list, png_ptr->chunk_list, @@ -1105,11 +1055,9 @@ for (p = new_list + 5*old_num_chunks + 4, i = 0; inum_chunk_list = old_num_chunks + num_chunks; png_ptr->chunk_list = new_list; -#ifdef PNG_FREE_ME_SUPPORTED png_ptr->free_me |= PNG_FREE_LIST; -#endif } #endif #ifdef PNG_READ_USER_CHUNKS_SUPPORTED @@ -1146,14 +1094,14 @@ #ifdef PNG_WRITE_SUPPORTED void PNGAPI png_set_compression_buffer_size(png_structp png_ptr, - png_uint_32 size) + png_size_t size) { if (png_ptr == NULL) return; png_free(png_ptr, png_ptr->zbuf); - png_ptr->zbuf_size = (png_size_t)size; + png_ptr->zbuf_size = size; png_ptr->zbuf = (png_bytep)png_malloc(png_ptr, size); png_ptr->zstream.next_out = png_ptr->zbuf; png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size; } @@ -1166,34 +1114,8 @@ info_ptr->valid &= ~mask; } -#ifndef PNG_1_0_X -#ifdef PNG_ASSEMBLER_CODE_SUPPORTED -/* Function was added to libpng 1.2.0 and should always exist by default */ -void PNGAPI -png_set_asm_flags (png_structp png_ptr, png_uint_32 asm_flags) -{ -/* Obsolete as of libpng-1.2.20 and will be removed from libpng-1.4.0 */ - if (png_ptr != NULL) - png_ptr->asm_flags = 0; - asm_flags = asm_flags; /* Quiet the compiler */ -} - -/* This function was added to libpng 1.2.0 */ -void PNGAPI -png_set_mmx_thresholds (png_structp png_ptr, - png_byte mmx_bitdepth_threshold, - png_uint_32 mmx_rowbytes_threshold) -{ -/* Obsolete as of libpng-1.2.20 and will be removed from libpng-1.4.0 */ - if (png_ptr == NULL) - return; - /* Quiet the compiler */ - mmx_bitdepth_threshold = mmx_bitdepth_threshold; - mmx_rowbytes_threshold = mmx_rowbytes_threshold; -} -#endif /* ?PNG_ASSEMBLER_CODE_SUPPORTED */ #ifdef PNG_SET_USER_LIMITS_SUPPORTED /* This function was added to libpng 1.2.6 */ void PNGAPI @@ -1208,8 +1130,21 @@ return; png_ptr->user_width_max = user_width_max; png_ptr->user_height_max = user_height_max; } +/* This function was added to libpng 1.4.0 */ +void PNGAPI +png_set_chunk_cache_max (png_structp png_ptr, + png_uint_32 user_chunk_cache_max) +{ + if (png_ptr == NULL) + return; + png_ptr->user_chunk_cache_max = user_chunk_cache_max; + if (user_chunk_cache_max == 0x7fffffffL) /* Unlimited */ + png_ptr->user_chunk_cache_max = 0; + else + png_ptr->user_chunk_cache_max = user_chunk_cache_max + 1; +} #endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */ #ifdef PNG_BENIGN_ERRORS_SUPPORTED @@ -1223,6 +1158,5 @@ else png_ptr->flags &= ~PNG_FLAG_BENIGN_ERRORS_WARN; } #endif /* PNG_BENIGN_ERRORS_SUPPORTED */ -#endif /* ?PNG_1_0_X */ #endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ diff -ru4NwbB libpng-1.2.41beta18/pngtest.c libpng-1.4.0beta98/pngtest.c --- libpng-1.2.41beta18/pngtest.c 2009-11-11 15:01:32.728609718 -0600 +++ libpng-1.4.0beta98/pngtest.c 2009-11-13 05:18:10.487738265 -0600 @@ -1,8 +1,8 @@ /* pngtest.c - a simple test program to test libpng * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -31,37 +31,17 @@ * of files at once by typing "pngtest -m file1.png file2.png ..." */ #include "png.h" +#include "pngpriv.h" -#ifdef _WIN32_WCE -# if _WIN32_WCE < 211 - __error__ (f|w)printf functions are not supported on old WindowsCE.; -# endif -# include -# include -# define READFILE(file, data, length, check) \ - if (ReadFile(file, data, length, &check, NULL)) check = 0 -# define WRITEFILE(file, data, length, check)) \ - if (WriteFile(file, data, length, &check, NULL)) check = 0 -# define FCLOSE(file) CloseHandle(file) -#else # include # include -# define READFILE(file, data, length, check) \ - check=(png_size_t)fread(data, (png_size_t)1, length, file) -# define WRITEFILE(file, data, length, check) \ - check=(png_size_t)fwrite(data, (png_size_t)1, length, file) # define FCLOSE(file) fclose(file) -#endif #ifndef PNG_STDIO_SUPPORTED -# ifdef _WIN32_WCE - typedef HANDLE png_FILE_p; -# else typedef FILE * png_FILE_p; # endif -#endif /* Makes pngtest verbose so we can find problems (needs to be before png.h) */ #ifndef PNG_DEBUG # define PNG_DEBUG 0 @@ -117,16 +97,10 @@ static int status_dots_requested = 0; static int status_dots = 1; void -#ifdef PNG_1_0_X -PNGAPI -#endif read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass); void -#ifdef PNG_1_0_X -PNGAPI -#endif read_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass) { if (png_ptr == NULL || row_number > PNG_UINT_31_MAX) return; @@ -145,16 +119,10 @@ fprintf(stdout, "r"); } void -#ifdef PNG_1_0_X -PNGAPI -#endif write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass); void -#ifdef PNG_1_0_X -PNGAPI -#endif write_row_callback(png_structp png_ptr, png_uint_32 row_number, int pass) { if (png_ptr == NULL || row_number > PNG_UINT_31_MAX || pass > 7) return; @@ -168,16 +136,10 @@ * 5 in case illegal filter values are present.) */ static png_uint_32 filters_used[256]; void -#ifdef PNG_1_0_X -PNGAPI -#endif count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data); void -#ifdef PNG_1_0_X -PNGAPI -#endif count_filters(png_structp png_ptr, png_row_infop row_info, png_bytep data) { if (png_ptr != NULL && row_info != NULL) ++filters_used[*(data - 1)]; @@ -191,16 +153,10 @@ static png_uint_32 zero_samples; void -#ifdef PNG_1_0_X -PNGAPI -#endif count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data); void -#ifdef PNG_1_0_X -PNGAPI -#endif count_zero_samples(png_structp png_ptr, png_row_infop row_info, png_bytep data) { png_bytep dp = data; if (png_ptr == NULL)return; @@ -315,9 +271,9 @@ /* fread() returns 0 on error, so it is OK to store this in a png_size_t * instead of an int, which is what fread() actually returns. */ - READFILE((png_FILE_p)png_ptr->io_ptr, data, length, check); + check = fread(data, 1, length, (png_FILE_p)png_ptr->io_ptr); if (check != length) { png_error(png_ptr, "Read Error!"); @@ -334,18 +290,18 @@ static void pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length) { - int check; + png_size_t check; png_byte *n_data; png_FILE_p io_ptr; /* Check if data really is near. If so, use usual code. */ n_data = (png_byte *)CVT_PTR_NOCHECK(data); io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr); if ((png_bytep)n_data == data) { - READFILE(io_ptr, n_data, length, check); + check = fread(n_data, 1, length, io_ptr); } else { png_byte buf[NEAR_BUF_SIZE]; @@ -354,9 +310,9 @@ remaining = length; do { read = MIN(NEAR_BUF_SIZE, remaining); - READFILE(io_ptr, buf, 1, err); + err = fread(buf, 1, 1, io_ptr); png_memcpy(data, buf, read); /* Copy far buffer to near buffer */ if (err != read) break; else @@ -388,11 +344,11 @@ #ifndef USE_FAR_KEYWORD static void pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length) { - png_uint_32 check; + png_size_t check; - WRITEFILE((png_FILE_p)png_ptr->io_ptr, data, length, check); + check = fwrite(data, 1, length, (png_FILE_p)png_ptr->io_ptr); if (check != length) { png_error(png_ptr, "Write Error"); } @@ -408,18 +364,18 @@ static void pngtest_write_data(png_structp png_ptr, png_bytep data, png_size_t length) { - png_uint_32 check; + png_size_t check; png_byte *near_data; /* Needs to be "png_byte *" instead of "png_bytep" */ png_FILE_p io_ptr; /* Check if data really is near. If so, use usual code. */ near_data = (png_byte *)CVT_PTR_NOCHECK(data); io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr); if ((png_bytep)near_data == data) { - WRITEFILE(io_ptr, near_data, length, check); + check = fwrite(near_data, 1, length, io_ptr); } else { png_byte buf[NEAR_BUF_SIZE]; @@ -429,9 +385,9 @@ do { written = MIN(NEAR_BUF_SIZE, remaining); png_memcpy(buf, data, written); /* Copy far buffer to near buffer */ - WRITEFILE(io_ptr, buf, written, err); + err = fwrite(buf, 1, written, io_ptr); if (err != written) break; else check += err; @@ -490,9 +446,9 @@ * by setting MAXSEG_64K in zlib zconf.h *or* PNG_MAX_MALLOC_64K. */ typedef struct memory_information { - png_uint_32 size; + png_alloc_size_t size; png_voidp pointer; struct memory_information FAR *next; } memory_information; typedef memory_information FAR *memory_infop; @@ -502,13 +458,14 @@ static int maximum_allocation = 0; static int total_allocation = 0; static int num_allocations = 0; -png_voidp png_debug_malloc PNGARG((png_structp png_ptr, png_uint_32 size)); +png_voidp png_debug_malloc + PNGARG((png_structp png_ptr, png_alloc_size_t size)); void png_debug_free PNGARG((png_structp png_ptr, png_voidp ptr)); png_voidp -png_debug_malloc(png_structp png_ptr, png_uint_32 size) +png_debug_malloc(png_structp png_ptr, png_alloc_size_t size) { /* png_malloc has already tested for NULL; png_create_struct calls * png_debug_malloc directly, with png_ptr == NULL which is OK @@ -523,26 +480,25 @@ /* Disable malloc_fn and free_fn */ memory_infop pinfo; png_set_mem_fn(png_ptr, NULL, NULL, NULL); pinfo = (memory_infop)png_malloc(png_ptr, - (png_uint_32)png_sizeof(*pinfo)); + png_sizeof(*pinfo)); pinfo->size = size; current_allocation += size; total_allocation += size; num_allocations ++; if (current_allocation > maximum_allocation) maximum_allocation = current_allocation; - pinfo->pointer = (png_voidp)png_malloc(png_ptr, size); + pinfo->pointer = png_malloc(png_ptr, size); /* Restore malloc_fn and free_fn */ png_set_mem_fn(png_ptr, - png_voidp_NULL, (png_malloc_ptr)png_debug_malloc, - (png_free_ptr)png_debug_free); + NULL, png_debug_malloc, png_debug_free); if (size != 0 && pinfo->pointer == NULL) { current_allocation -= size; total_allocation -= size; png_error(png_ptr, - "out of memory in pngtest->png_debug_malloc."); + "out of memory in pngtest->png_debug_malloc"); } pinfo->next = pinformation; pinformation = pinfo; /* Make sure the caller isn't assuming zeroed memory. */ @@ -700,32 +656,19 @@ jmp_buf jmpbuf; #endif #endif -#ifdef _WIN32_WCE - TCHAR path[MAX_PATH]; -#endif char inbuf[256], outbuf[256]; row_buf = NULL; -#ifdef _WIN32_WCE - MultiByteToWideChar(CP_ACP, 0, inname, -1, path, MAX_PATH); - if ((fpin = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE) -#else if ((fpin = fopen(inname, "rb")) == NULL) -#endif { fprintf(STDERR, "Could not find input file %s\n", inname); return (1); } -#ifdef _WIN32_WCE - MultiByteToWideChar(CP_ACP, 0, outname, -1, path, MAX_PATH); - if ((fpout = CreateFile(path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL)) == INVALID_HANDLE_VALUE) -#else if ((fpout = fopen(outname, "wb")) == NULL) -#endif { fprintf(STDERR, "Could not open output file %s\n", outname); FCLOSE(fpin); return (1); @@ -733,15 +676,14 @@ png_debug(0, "Allocating read and write structures"); #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG read_ptr = - png_create_read_struct_2(PNG_LIBPNG_VER_STRING, png_voidp_NULL, - png_error_ptr_NULL, png_error_ptr_NULL, png_voidp_NULL, + png_create_read_struct_2(PNG_LIBPNG_VER_STRING, NULL, + NULL, NULL, NULL, (png_malloc_ptr)png_debug_malloc, (png_free_ptr)png_debug_free); #else read_ptr = - png_create_read_struct(PNG_LIBPNG_VER_STRING, png_voidp_NULL, - png_error_ptr_NULL, png_error_ptr_NULL); + png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); #endif #ifndef PNG_STDIO_SUPPORTED png_set_error_fn(read_ptr, (png_voidp)inname, pngtest_error, pngtest_warning); @@ -758,15 +700,13 @@ #endif #ifdef PNG_WRITE_SUPPORTED #if defined(PNG_USER_MEM_SUPPORTED) && PNG_DEBUG write_ptr = - png_create_write_struct_2(PNG_LIBPNG_VER_STRING, png_voidp_NULL, - png_error_ptr_NULL, png_error_ptr_NULL, png_voidp_NULL, - (png_malloc_ptr)png_debug_malloc, (png_free_ptr)png_debug_free); + png_create_write_struct_2(PNG_LIBPNG_VER_STRING, NULL, + NULL, NULL, NULL, png_debug_malloc, png_debug_free); #else write_ptr = - png_create_write_struct(PNG_LIBPNG_VER_STRING, png_voidp_NULL, - png_error_ptr_NULL, png_error_ptr_NULL); + png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); #endif #ifndef PNG_STDIO_SUPPORTED png_set_error_fn(write_ptr, (png_voidp)inname, pngtest_error, pngtest_warning); @@ -854,11 +794,11 @@ } else { #ifdef PNG_WRITE_SUPPORTED - png_set_write_status_fn(write_ptr, png_write_status_ptr_NULL); + png_set_write_status_fn(write_ptr, NULL); #endif - png_set_read_status_fn(read_ptr, png_read_status_ptr_NULL); + png_set_read_status_fn(read_ptr, NULL); } #ifdef PNG_READ_USER_TRANSFORM_SUPPORTED { @@ -877,16 +817,16 @@ # ifndef PNG_HANDLE_CHUNK_ALWAYS # define PNG_HANDLE_CHUNK_ALWAYS 3 # endif png_set_keep_unknown_chunks(read_ptr, PNG_HANDLE_CHUNK_ALWAYS, - png_bytep_NULL, 0); + NULL, 0); #endif #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED # ifndef PNG_HANDLE_CHUNK_IF_SAFE # define PNG_HANDLE_CHUNK_IF_SAFE 2 # endif png_set_keep_unknown_chunks(write_ptr, PNG_HANDLE_CHUNK_IF_SAFE, - png_bytep_NULL, 0); + NULL, 0); #endif png_debug(0, "Reading info struct"); png_read_info(read_ptr, read_info_ptr); @@ -1104,25 +1044,25 @@ } #endif #ifdef PNG_tRNS_SUPPORTED { - png_bytep trans; + png_bytep trans_alpha; int num_trans; - png_color_16p trans_values; + png_color_16p trans_color; - if (png_get_tRNS(read_ptr, read_info_ptr, &trans, &num_trans, - &trans_values)) + if (png_get_tRNS(read_ptr, read_info_ptr, &trans_alpha, &num_trans, + &trans_color)) { int sample_max = (1 << bit_depth); /* libpng doesn't reject a tRNS chunk with out-of-range samples */ if (!((color_type == PNG_COLOR_TYPE_GRAY && - (int)trans_values->gray > sample_max) || + (int)trans_color->gray > sample_max) || (color_type == PNG_COLOR_TYPE_RGB && - ((int)trans_values->red > sample_max || - (int)trans_values->green > sample_max || - (int)trans_values->blue > sample_max)))) - png_set_tRNS(write_ptr, write_info_ptr, trans, num_trans, - trans_values); + ((int)trans_color->red > sample_max || + (int)trans_color->green > sample_max || + (int)trans_color->blue > sample_max)))) + png_set_tRNS(write_ptr, write_info_ptr, trans_alpha, num_trans, + trans_color); } } #endif #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED @@ -1223,9 +1163,9 @@ png_get_rowbytes(read_ptr, read_info_ptr)); png_debug2(0, "0x%08lx (%ld bytes)", (unsigned long)row_buf, png_get_rowbytes(read_ptr, read_info_ptr)); #endif /* !SINGLE_ROWBUF_ALLOC */ - png_read_rows(read_ptr, (png_bytepp)&row_buf, png_bytepp_NULL, 1); + png_read_rows(read_ptr, (png_bytepp)&row_buf, NULL, 1); #ifdef PNG_WRITE_SUPPORTED #ifdef PNGTEST_TIMING t_stop = (float)clock(); @@ -1345,25 +1285,15 @@ FCLOSE(fpin); FCLOSE(fpout); png_debug(0, "Opening files for comparison"); -#ifdef _WIN32_WCE - MultiByteToWideChar(CP_ACP, 0, inname, -1, path, MAX_PATH); - if ((fpin = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE) -#else if ((fpin = fopen(inname, "rb")) == NULL) -#endif { fprintf(STDERR, "Could not find file %s\n", inname); return (1); } -#ifdef _WIN32_WCE - MultiByteToWideChar(CP_ACP, 0, outname, -1, path, MAX_PATH); - if ((fpout = CreateFile(path, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE) -#else if ((fpout = fopen(outname, "rb")) == NULL) -#endif { fprintf(STDERR, "Could not find file %s\n", outname); FCLOSE(fpin); return (1); @@ -1372,10 +1302,10 @@ for (;;) { png_size_t num_in, num_out; - READFILE(fpin, inbuf, 1, num_in); - READFILE(fpout, outbuf, 1, num_out); + num_in = fread(inbuf, 1, 1, fpin); + num_out = fread(outbuf, 1, 1, fpout); if (num_in != num_out) { fprintf(STDERR, "\nFiles %s and %s are of a different size\n", diff -ru4NwbB libpng-1.2.41beta18/pngtrans.c libpng-1.4.0beta98/pngtrans.c --- libpng-1.2.41beta18/pngtrans.c 2009-11-11 15:01:32.735034840 -0600 +++ libpng-1.4.0beta98/pngtrans.c 2009-11-13 05:18:10.494484919 -0600 @@ -1,8 +1,8 @@ /* pngtrans.c - transforms the data in a row (used by both readers and writers) * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -10,11 +10,11 @@ * For conditions of distribution and use, see the disclaimer * and license in png.h */ -#define PNG_INTERNAL #include "png.h" #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) +#include "pngpriv.h" #if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) /* Turn on BGR-to-RGB mapping */ void PNGAPI @@ -116,13 +116,9 @@ if (png_ptr == NULL) return; png_ptr->transformations |= PNG_FILLER; -#ifdef PNG_LEGACY_SUPPORTED - png_ptr->filler = (png_byte)filler; -#else png_ptr->filler = (png_uint_16)filler; -#endif if (filler_loc == PNG_FILLER_AFTER) png_ptr->flags |= PNG_FLAG_FILLER_AFTER; else png_ptr->flags &= ~PNG_FLAG_FILLER_AFTER; @@ -145,9 +141,8 @@ png_ptr->usr_channels = 2; } } -#ifndef PNG_1_0_X /* Added to libpng-1.2.7 */ void PNGAPI png_set_add_alpha(png_structp png_ptr, png_uint_32 filler, int filler_loc) { @@ -157,9 +152,8 @@ return; png_set_filler(png_ptr, filler, filler_loc); png_ptr->transformations |= PNG_ADD_ALPHA; } -#endif #endif #if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) || \ @@ -207,12 +201,8 @@ /* This test removed from libpng version 1.0.13 and 1.2.0: * if (row_info->bit_depth == 1 && */ -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (row == NULL || row_info == NULL) - return; -#endif if (row_info->color_type == PNG_COLOR_TYPE_GRAY) { png_bytep rp = row; png_uint_32 i; @@ -261,11 +251,8 @@ { png_debug(1, "in png_do_swap"); if ( -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && -#endif row_info->bit_depth == 16) { png_bytep rp = row; png_uint_32 i; @@ -393,11 +380,8 @@ { png_debug(1, "in png_do_packswap"); if ( -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && -#endif row_info->bit_depth < 8) { png_bytep rp, end, table; @@ -425,11 +409,8 @@ png_do_strip_filler(png_row_infop row_info, png_bytep row, png_uint_32 flags) { png_debug(1, "in png_do_strip_filler"); -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (row != NULL && row_info != NULL) -#endif { png_bytep sp=row; png_bytep dp=row; png_uint_32 row_width=row_info->width; @@ -585,11 +566,8 @@ { png_debug(1, "in png_do_bgr"); if ( -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && -#endif (row_info->color_type & PNG_COLOR_MASK_COLOR)) { png_uint_32 row_width = row_info->width; if (row_info->bit_depth == 8) @@ -656,9 +634,8 @@ } #endif /* PNG_READ_BGR_SUPPORTED or PNG_WRITE_BGR_SUPPORTED */ #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \ - defined(PNG_LEGACY_SUPPORTED) || \ defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) void PNGAPI png_set_user_transform_info(png_structp png_ptr, png_voidp user_transform_ptr, int user_transform_depth, int user_transform_channels) diff -ru4NwbB libpng-1.2.41beta18/pngvcrd.c libpng-1.4.0beta98/pngvcrd.c --- libpng-1.2.41beta18/pngvcrd.c 2009-11-11 15:01:32.739271448 -0600 +++ libpng-1.4.0beta98/pngvcrd.c 1969-12-31 18:00:00.000000000 -0600 @@ -1 +0,0 @@ -/* pnggvrd.c was removed from libpng-1.2.20. */ diff -ru4NwbB libpng-1.2.41beta18/pngwio.c libpng-1.4.0beta98/pngwio.c --- libpng-1.2.41beta18/pngwio.c 2009-11-11 15:01:32.744289618 -0600 +++ libpng-1.4.0beta98/pngwio.c 2009-11-13 05:18:10.499871056 -0600 @@ -1,8 +1,8 @@ /* pngwio.c - functions for data output * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -17,11 +17,11 @@ * functions, but rather write replacement functions and then change * them at run time with png_set_write_fn(...). */ -#define PNG_INTERNAL #include "png.h" #ifdef PNG_WRITE_SUPPORTED +#include "pngpriv.h" /* Write the data to whatever output you are using. The default routine * writes to a file pointer. Note that this routine sometimes gets called * with very small lengths, so you should implement some kind of simple @@ -51,14 +51,9 @@ png_uint_32 check; if (png_ptr == NULL) return; -#ifdef _WIN32_WCE - if ( !WriteFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) ) - check = 0; -#else check = fwrite(data, 1, length, (png_FILE_p)(png_ptr->io_ptr)); -#endif if (check != length) png_error(png_ptr, "Write Error"); } #else @@ -83,14 +78,9 @@ near_data = (png_byte *)CVT_PTR_NOCHECK(data); io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr); if ((png_bytep)near_data == data) { -#ifdef _WIN32_WCE - if ( !WriteFile(io_ptr, near_data, length, &check, NULL) ) - check = 0; -#else check = fwrite(near_data, 1, length, io_ptr); -#endif } else { png_byte buf[NEAR_BUF_SIZE]; @@ -100,14 +90,9 @@ do { written = MIN(NEAR_BUF_SIZE, remaining); png_memcpy(buf, data, written); /* Copy far buffer to near buffer */ -#ifdef _WIN32_WCE - if ( !WriteFile(io_ptr, buf, written, &err, NULL) ) - err = 0; -#else err = fwrite(buf, 1, written, io_ptr); -#endif if (err != written) break; else @@ -140,17 +125,13 @@ #ifdef PNG_STDIO_SUPPORTED void PNGAPI png_default_flush(png_structp png_ptr) { -#ifndef _WIN32_WCE png_FILE_p io_ptr; -#endif if (png_ptr == NULL) return; -#ifndef _WIN32_WCE io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr)); fflush(io_ptr); -#endif } #endif #endif @@ -220,9 +201,9 @@ png_ptr->read_data_fn = NULL; png_warning(png_ptr, "Attempted to set both read_data_fn and write_data_fn in"); png_warning(png_ptr, - "the same structure. Resetting read_data_fn to NULL."); + "the same structure. Resetting read_data_fn to NULL"); } } #ifdef USE_FAR_KEYWORD diff -ru4NwbB libpng-1.2.41beta18/pngwrite.c libpng-1.4.0beta98/pngwrite.c --- libpng-1.2.41beta18/pngwrite.c 2009-11-11 15:01:32.753000108 -0600 +++ libpng-1.4.0beta98/pngwrite.c 2009-11-13 05:18:10.508562969 -0600 @@ -1,8 +1,8 @@ /* pngwrite.c - general routines to write a PNG file * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -11,11 +11,11 @@ * and license in png.h */ /* Get internal access to png.h */ -#define PNG_INTERNAL #include "png.h" #ifdef PNG_WRITE_SUPPORTED +#include "pngpriv.h" /* Writes all the PNG information. This is the suggested way to use the * library. If you have a new chunk to add, make a function to write it, * and put it in the correct location here. If you want the chunk written @@ -158,12 +158,12 @@ info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) { int j; for (j = 0; j<(int)info_ptr->num_trans; j++) - info_ptr->trans[j] = (png_byte)(255 - info_ptr->trans[j]); + info_ptr->trans_alpha[j] = (png_byte)(255 - info_ptr->trans_alpha[j]); } #endif - png_write_tRNS(png_ptr, info_ptr->trans, &(info_ptr->trans_values), + png_write_tRNS(png_ptr, info_ptr->trans_alpha, &(info_ptr->trans_color), info_ptr->num_trans, info_ptr->color_type); } #endif #ifdef PNG_WRITE_bKGD_SUPPORTED @@ -199,9 +199,9 @@ #endif /* FIXED_POINT */ #endif /* FLOATING_POINT */ #else /* !WRITE_sCAL */ png_warning(png_ptr, - "png_write_sCAL not supported; sCAL chunk not written."); + "png_write_sCAL not supported; sCAL chunk not written"); #endif /* WRITE_sCAL */ #endif /* sCAL */ #ifdef PNG_WRITE_pHYs_SUPPORTED @@ -411,15 +411,12 @@ png_write_IEND(png_ptr); /* This flush, added in libpng-1.0.8, removed from libpng-1.0.9beta03, * and restored again in libpng-1.2.30, may cause some applications that * do not set png_ptr->output_flush_fn to crash. If your application - * experiences a problem, please try building libpng with - * PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED defined, and report the event to - * png-mng-implement at lists.sf.net . This kludge will be removed - * from libpng-1.4.0. + * experiences a problem, please report the event to + * png-mng-implement at lists.sf.net . */ -#if defined(PNG_WRITE_FLUSH_SUPPORTED) && \ - defined(PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED) +#ifdef PNG_WRITE_FLUSH_SUPPORTED png_flush(png_ptr); #endif } @@ -456,9 +453,9 @@ png_error_ptr error_fn, png_error_ptr warn_fn) { #ifdef PNG_USER_MEM_SUPPORTED return (png_create_write_struct_2(user_png_ver, error_ptr, error_fn, - warn_fn, png_voidp_NULL, png_malloc_ptr_NULL, png_free_ptr_NULL)); + warn_fn, NULL, NULL, NULL)); } /* Alternate initialize png_ptr structure, and allocate any memory needed */ png_structp PNGAPI @@ -466,8 +463,9 @@ png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr, png_malloc_ptr malloc_fn, png_free_ptr free_fn) { #endif /* PNG_USER_MEM_SUPPORTED */ + int png_cleanup_needed = 0; #ifdef PNG_SETJMP_SUPPORTED volatile #endif png_structp png_ptr; @@ -495,27 +493,17 @@ png_ptr->user_height_max = PNG_USER_HEIGHT_MAX; #endif #ifdef PNG_SETJMP_SUPPORTED +/* Applications that neglect to set up their own setjmp() and then + encounter a png_error() will longjmp here. Since the jmpbuf is + then meaningless we abort instead of returning. */ #ifdef USE_FAR_KEYWORD if (setjmp(jmpbuf)) #else if (setjmp(png_ptr->jmpbuf)) #endif - { - png_free(png_ptr, png_ptr->zbuf); - png_ptr->zbuf = NULL; -#ifdef PNG_USER_MEM_SUPPORTED - png_destroy_struct_2((png_voidp)png_ptr, - (png_free_ptr)free_fn, (png_voidp)mem_ptr); -#else - png_destroy_struct((png_voidp)png_ptr); -#endif - return (NULL); - } -#ifdef USE_FAR_KEYWORD - png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf)); -#endif + PNG_ABORT(); #endif #ifdef PNG_USER_MEM_SUPPORTED png_set_mem_fn(png_ptr, mem_ptr, malloc_fn, free_fn); @@ -542,9 +530,9 @@ if (user_png_ver == NULL || user_png_ver[0] != png_libpng_ver[0] || (user_png_ver[0] == '1' && user_png_ver[2] != png_libpng_ver[2]) || (user_png_ver[0] == '0' && user_png_ver[2] < '9')) { -#if defined(PNG_STDIO_SUPPORTED) && !defined(_WIN32_WCE) +#ifdef PNG_STDIO_SUPPORTED char msg[80]; if (user_png_ver) { png_snprintf(msg, 80, @@ -559,171 +547,48 @@ #endif #ifdef PNG_ERROR_NUMBERS_SUPPORTED png_ptr->flags = 0; #endif - png_error(png_ptr, + png_warning(png_ptr, "Incompatible libpng version in application and library"); + png_cleanup_needed = 1; } } /* Initialize zbuf - compression buffer */ png_ptr->zbuf_size = PNG_ZBUF_SIZE; - png_ptr->zbuf = (png_bytep)png_malloc(png_ptr, - (png_uint_32)png_ptr->zbuf_size); - - png_set_write_fn(png_ptr, png_voidp_NULL, png_rw_ptr_NULL, - png_flush_ptr_NULL); - -#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED - png_set_filter_heuristics(png_ptr, PNG_FILTER_HEURISTIC_DEFAULT, - 1, png_doublep_NULL, png_doublep_NULL); -#endif - -#ifdef PNG_SETJMP_SUPPORTED - /* Applications that neglect to set up their own setjmp() and then - * encounter a png_error() will longjmp here. Since the jmpbuf is - * then meaningless we abort instead of returning. - */ -#ifdef USE_FAR_KEYWORD - if (setjmp(jmpbuf)) - PNG_ABORT(); - png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf)); -#else - if (setjmp(png_ptr->jmpbuf)) - PNG_ABORT(); -#endif -#endif - return (png_ptr); -} - -/* Initialize png_ptr structure, and allocate any memory needed */ -#if defined(PNG_1_0_X) || defined(PNG_1_2_X) -/* Deprecated. */ -#undef png_write_init -void PNGAPI -png_write_init(png_structp png_ptr) -{ - /* We only come here via pre-1.0.7-compiled applications */ - png_write_init_2(png_ptr, "1.0.6 or earlier", 0, 0); -} - -void PNGAPI -png_write_init_2(png_structp png_ptr, png_const_charp user_png_ver, - png_size_t png_struct_size, png_size_t png_info_size) -{ - /* We only come here via pre-1.0.12-compiled applications */ - if (png_ptr == NULL) return; -#if defined(PNG_STDIO_SUPPORTED) && !defined(_WIN32_WCE) - if (png_sizeof(png_struct) > png_struct_size || - png_sizeof(png_info) > png_info_size) - { - char msg[80]; - png_ptr->warning_fn = NULL; - if (user_png_ver) - { - png_snprintf(msg, 80, - "Application was compiled with png.h from libpng-%.20s", - user_png_ver); - png_warning(png_ptr, msg); - } - png_snprintf(msg, 80, - "Application is running with png.c from libpng-%.20s", - png_libpng_ver); - png_warning(png_ptr, msg); - } -#endif - if (png_sizeof(png_struct) > png_struct_size) - { - png_ptr->error_fn = NULL; -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - png_ptr->flags = 0; -#endif - png_error(png_ptr, - "The png struct allocated by the application for writing is too small."); - } - if (png_sizeof(png_info) > png_info_size) + if (!png_cleanup_needed) { - png_ptr->error_fn = NULL; -#ifdef PNG_ERROR_NUMBERS_SUPPORTED - png_ptr->flags = 0; -#endif - png_error(png_ptr, - "The info struct allocated by the application for writing is too small."); - } - png_write_init_3(&png_ptr, user_png_ver, png_struct_size); + png_ptr->zbuf = (png_bytep)png_malloc_warn(png_ptr, + png_ptr->zbuf_size); + if (png_ptr->zbuf == NULL) + png_cleanup_needed = 1; } -#endif /* PNG_1_0_X || PNG_1_2_X */ - - -void PNGAPI -png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, - png_size_t png_struct_size) + if (png_cleanup_needed) { - png_structp png_ptr = *ptr_ptr; -#ifdef PNG_SETJMP_SUPPORTED - jmp_buf tmp_jmp; /* to save current jump buffer */ -#endif - - int i = 0; - - if (png_ptr == NULL) - return; - - do - { - if (user_png_ver[i] != png_libpng_ver[i]) - { -#ifdef PNG_LEGACY_SUPPORTED - png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH; + /* Clean up PNG structure and deallocate any memory. */ + png_free(png_ptr, png_ptr->zbuf); + png_ptr->zbuf = NULL; +#ifdef PNG_USER_MEM_SUPPORTED + png_destroy_struct_2((png_voidp)png_ptr, + (png_free_ptr)free_fn, (png_voidp)mem_ptr); #else - png_ptr->warning_fn = NULL; - png_warning(png_ptr, - "Application uses deprecated png_write_init() and should be recompiled."); -#endif - } - } while (png_libpng_ver[i++]); - - png_debug(1, "in png_write_init_3"); - -#ifdef PNG_SETJMP_SUPPORTED - /* Save jump buffer and error functions */ - png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf)); + png_destroy_struct((png_voidp)png_ptr); #endif - - if (png_sizeof(png_struct) > png_struct_size) - { - png_destroy_struct(png_ptr); - png_ptr = (png_structp)png_create_struct(PNG_STRUCT_PNG); - *ptr_ptr = png_ptr; + return (NULL); } - /* Reset all variables to 0 */ - png_memset(png_ptr, 0, png_sizeof(png_struct)); - - /* Added at libpng-1.2.6 */ -#ifdef PNG_SET_USER_LIMITS_SUPPORTED - png_ptr->user_width_max = PNG_USER_WIDTH_MAX; - png_ptr->user_height_max = PNG_USER_HEIGHT_MAX; -#endif + png_set_write_fn(png_ptr, NULL, NULL, NULL); -#ifdef PNG_SETJMP_SUPPORTED - /* Restore jump buffer */ - png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf)); -#endif - - png_set_write_fn(png_ptr, png_voidp_NULL, png_rw_ptr_NULL, - png_flush_ptr_NULL); - - /* Initialize zbuf - compression buffer */ - png_ptr->zbuf_size = PNG_ZBUF_SIZE; - png_ptr->zbuf = (png_bytep)png_malloc(png_ptr, - (png_uint_32)png_ptr->zbuf_size); #ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED png_set_filter_heuristics(png_ptr, PNG_FILTER_HEURISTIC_DEFAULT, - 1, png_doublep_NULL, png_doublep_NULL); + 1, NULL, NULL); #endif + + return (png_ptr); } + /* Write a few rows of image data. If the image is interlaced, * either you will have to write the 7 sub images, or, if you * have called png_set_interlace_handling(), you will have to * "write" the image seven times. @@ -796,38 +661,38 @@ { /* Make sure we wrote the header info */ if (!(png_ptr->mode & PNG_WROTE_INFO_BEFORE_PLTE)) png_error(png_ptr, - "png_write_info was never called before png_write_row."); + "png_write_info was never called before png_write_row"); /* Check for transforms that have been set but were defined out */ #if !defined(PNG_WRITE_INVERT_SUPPORTED) && defined(PNG_READ_INVERT_SUPPORTED) if (png_ptr->transformations & PNG_INVERT_MONO) - png_warning(png_ptr, "PNG_WRITE_INVERT_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_WRITE_INVERT_SUPPORTED is not defined"); #endif #if !defined(PNG_WRITE_FILLER_SUPPORTED) && defined(PNG_READ_FILLER_SUPPORTED) if (png_ptr->transformations & PNG_FILLER) - png_warning(png_ptr, "PNG_WRITE_FILLER_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_WRITE_FILLER_SUPPORTED is not defined"); #endif #if !defined(PNG_WRITE_PACKSWAP_SUPPORTED) && defined(PNG_READ_PACKSWAP_SUPPORTED) if (png_ptr->transformations & PNG_PACKSWAP) - png_warning(png_ptr, "PNG_WRITE_PACKSWAP_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_WRITE_PACKSWAP_SUPPORTED is not defined"); #endif #if !defined(PNG_WRITE_PACK_SUPPORTED) && defined(PNG_READ_PACK_SUPPORTED) if (png_ptr->transformations & PNG_PACK) - png_warning(png_ptr, "PNG_WRITE_PACK_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_WRITE_PACK_SUPPORTED is not defined"); #endif #if !defined(PNG_WRITE_SHIFT_SUPPORTED) && defined(PNG_READ_SHIFT_SUPPORTED) if (png_ptr->transformations & PNG_SHIFT) - png_warning(png_ptr, "PNG_WRITE_SHIFT_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_WRITE_SHIFT_SUPPORTED is not defined"); #endif #if !defined(PNG_WRITE_BGR_SUPPORTED) && defined(PNG_READ_BGR_SUPPORTED) if (png_ptr->transformations & PNG_BGR) - png_warning(png_ptr, "PNG_WRITE_BGR_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_WRITE_BGR_SUPPORTED is not defined"); #endif #if !defined(PNG_WRITE_SWAP_SUPPORTED) && defined(PNG_READ_SWAP_SUPPORTED) if (png_ptr->transformations & PNG_SWAP_BYTES) - png_warning(png_ptr, "PNG_WRITE_SWAP_SUPPORTED is not defined."); + png_warning(png_ptr, "PNG_WRITE_SWAP_SUPPORTED is not defined"); #endif png_write_start_row(png_ptr); } @@ -909,10 +774,9 @@ png_debug1(3, "row_info->pixel_depth = %d", png_ptr->row_info.pixel_depth); png_debug1(3, "row_info->rowbytes = %lu", png_ptr->row_info.rowbytes); /* Copy user's row into buffer, leaving room for filter byte. */ - png_memcpy_check(png_ptr, png_ptr->row_buf + 1, row, - png_ptr->row_info.rowbytes); + png_memcpy(png_ptr->row_buf + 1, row, png_ptr->row_info.rowbytes); #ifdef PNG_WRITE_INTERLACING_SUPPORTED /* Handle interlacing */ if (png_ptr->interlaced && png_ptr->pass < 6 && @@ -1068,9 +932,8 @@ #ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED if (png_ptr->num_chunk_list) { png_free(png_ptr, png_ptr->chunk_list); - png_ptr->chunk_list = NULL; png_ptr->num_chunk_list = 0; } #endif } diff -ru4NwbB libpng-1.2.41beta18/pngwtran.c libpng-1.4.0beta98/pngwtran.c --- libpng-1.2.41beta18/pngwtran.c 2009-11-11 15:01:32.759165379 -0600 +++ libpng-1.4.0beta98/pngwtran.c 2009-11-13 05:18:10.514787263 -0600 @@ -1,8 +1,8 @@ /* pngwtran.c - transforms the data in a row for PNG writers * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -10,11 +10,11 @@ * For conditions of distribution and use, see the disclaimer * and license in png.h */ -#define PNG_INTERNAL #include "png.h" #ifdef PNG_WRITE_SUPPORTED +#include "pngpriv.h" /* Transform the data according to the user's wishes. The order of * transformations is significant. */ @@ -91,11 +91,8 @@ { png_debug(1, "in png_do_pack"); if (row_info->bit_depth == 8 && -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && -#endif row_info->channels == 1) { switch ((int)bit_depth) { @@ -217,13 +214,9 @@ png_do_shift(png_row_infop row_info, png_bytep row, png_color_8p bit_depth) { png_debug(1, "in png_do_shift"); -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (row != NULL && row_info != NULL && -#else if ( -#endif row_info->color_type != PNG_COLOR_TYPE_PALETTE) { int shift_start[4], shift_dec[4]; int channels = 0; @@ -342,11 +335,8 @@ png_do_write_swap_alpha(png_row_infop row_info, png_bytep row) { png_debug(1, "in png_do_write_swap_alpha"); -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (row != NULL && row_info != NULL) -#endif { if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) { /* This converts from ARGB to RGBA */ @@ -431,11 +421,8 @@ png_do_write_invert_alpha(png_row_infop row_info, png_bytep row) { png_debug(1, "in png_do_write_invert_alpha"); -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (row != NULL && row_info != NULL) -#endif { if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) { /* This inverts the alpha channel in RGBA */ @@ -523,11 +510,8 @@ { png_debug(1, "in png_do_write_intrapixel"); if ( -#ifdef PNG_USELESS_TESTS_SUPPORTED - row != NULL && row_info != NULL && -#endif (row_info->color_type & PNG_COLOR_MASK_COLOR)) { int bytes_per_pixel; png_uint_32 row_width = row_info->width; diff -ru4NwbB libpng-1.2.41beta18/pngwutil.c libpng-1.4.0beta98/pngwutil.c --- libpng-1.2.41beta18/pngwutil.c 2009-11-11 15:01:32.770149741 -0600 +++ libpng-1.4.0beta98/pngwutil.c 2009-11-13 05:18:10.526100103 -0600 @@ -1,8 +1,8 @@ /* pngwutil.c - utilities to write a PNG file * - * Last changed in libpng 1.2.41 [November 13, 2009] + * Last changed in libpng 1.4.0 [November 13, 2009] * Copyright (c) 1998-2009 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -10,11 +10,11 @@ * For conditions of distribution and use, see the disclaimer * and license in png.h */ -#define PNG_INTERNAL #include "png.h" #ifdef PNG_WRITE_SUPPORTED +#include "pngpriv.h" /* Place a 32-bit number into a buffer in PNG byte order. We work * with unsigned numbers for convenience, although one supported * ancillary chunk uses signed (two's complement) numbers. @@ -27,8 +27,9 @@ buf[2] = (png_byte)((i >> 8) & 0xff); buf[3] = (png_byte)(i & 0xff); } +#ifdef PNG_SAVE_INT_32_SUPPORTED /* The png_save_int_32 function assumes integers are stored in two's * complement format. If this isn't the case, then this routine needs to * be modified to write data in two's complement format. */ @@ -39,8 +40,9 @@ buf[1] = (png_byte)((i >> 16) & 0xff); buf[2] = (png_byte)((i >> 8) & 0xff); buf[3] = (png_byte)(i & 0xff); } +#endif /* Place a 16-bit number into a buffer in PNG byte order. * The parameter is declared unsigned int, not png_uint_16, * just to avoid potential problems on pre-ANSI C compilers. @@ -62,8 +64,13 @@ png_write_sig(png_structp png_ptr) { png_byte png_signature[8] = {137, 80, 78, 71, 13, 10, 26, 10}; +#ifdef PNG_IO_STATE_SUPPORTED + /* Inform the I/O callback that the signature is being written */ + png_ptr->io_state = PNG_IO_WRITING | PNG_IO_SIGNATURE; +#endif + /* Write the rest of the 8 byte signature */ png_write_data(png_ptr, &png_signature[png_ptr->sig_bytes], (png_size_t)(8 - png_ptr->sig_bytes)); if (png_ptr->sig_bytes < 3) @@ -105,8 +112,14 @@ if (png_ptr == NULL) return; +#ifdef PNG_IO_STATE_SUPPORTED + /* Inform the I/O callback that the chunk header is being written. + * PNG_IO_CHUNK_HDR requires a single I/O call. + */ + png_ptr->io_state = PNG_IO_WRITING | PNG_IO_CHUNK_HDR; +#endif /* Write the length and the chunk name */ png_save_uint_32(buf, length); png_memcpy(buf + 4, chunk_name, 4); @@ -114,9 +127,16 @@ /* Put the chunk name into png_ptr->chunk_name */ png_memcpy(png_ptr->chunk_name, chunk_name, 4); /* Reset the crc and run it over the chunk name */ png_reset_crc(png_ptr); - png_calculate_crc(png_ptr, chunk_name, (png_size_t)4); + png_calculate_crc(png_ptr, chunk_name, 4); + +#ifdef PNG_IO_STATE_SUPPORTED + /* Inform the I/O callback that chunk data will (possibly) be written. + * PNG_IO_CHUNK_DATA does NOT require a specific number of I/O calls. + */ + png_ptr->io_state = PNG_IO_WRITING | PNG_IO_CHUNK_DATA; +#endif } /* Write the data of a PNG chunk started with png_write_chunk_start(). * Note that multiple calls to this function are allowed, and that the @@ -146,8 +166,15 @@ png_byte buf[4]; if (png_ptr == NULL) return; +#ifdef PNG_IO_STATE_SUPPORTED + /* Inform the I/O callback that the chunk CRC is being written. + * PNG_IO_CHUNK_CRC requires a single I/O function call. + */ + png_ptr->io_state = PNG_IO_WRITING | PNG_IO_CHUNK_CRC; +#endif + /* Write the crc in a single operation */ png_save_uint_32(buf, png_ptr->crc); png_write_data(png_ptr, buf, (png_size_t)4); @@ -192,9 +219,9 @@ } if (compression >= PNG_TEXT_COMPRESSION_LAST) { -#if defined(PNG_STDIO_SUPPORTED) && !defined(_WIN32_WCE) +#ifdef PNG_STDIO_SUPPORTED char msg[50]; png_snprintf(msg, 50, "Unknown compression type %d", compression); png_warning(png_ptr, msg); #else @@ -251,24 +278,24 @@ png_charpp old_ptr; old_ptr = comp->output_ptr; comp->output_ptr = (png_charpp)png_malloc(png_ptr, - (png_uint_32) + (png_alloc_size_t) (comp->max_output_ptr * png_sizeof(png_charpp))); png_memcpy(comp->output_ptr, old_ptr, old_max * png_sizeof(png_charp)); png_free(png_ptr, old_ptr); } else comp->output_ptr = (png_charpp)png_malloc(png_ptr, - (png_uint_32) + (png_alloc_size_t) (comp->max_output_ptr * png_sizeof(png_charp))); } /* Save the data */ comp->output_ptr[comp->num_output_ptr] = (png_charp)png_malloc(png_ptr, - (png_uint_32)png_ptr->zbuf_size); + (png_alloc_size_t)png_ptr->zbuf_size); png_memcpy(comp->output_ptr[comp->num_output_ptr], png_ptr->zbuf, png_ptr->zbuf_size); comp->num_output_ptr++; @@ -303,24 +330,24 @@ old_ptr = comp->output_ptr; /* This could be optimized to realloc() */ comp->output_ptr = (png_charpp)png_malloc(png_ptr, - (png_uint_32)(comp->max_output_ptr * + (png_alloc_size_t)(comp->max_output_ptr * png_sizeof(png_charp))); png_memcpy(comp->output_ptr, old_ptr, old_max * png_sizeof(png_charp)); png_free(png_ptr, old_ptr); } else comp->output_ptr = (png_charpp)png_malloc(png_ptr, - (png_uint_32)(comp->max_output_ptr * + (png_alloc_size_t)(comp->max_output_ptr * png_sizeof(png_charp))); } /* Save the data */ comp->output_ptr[comp->num_output_ptr] = (png_charp)png_malloc(png_ptr, - (png_uint_32)png_ptr->zbuf_size); + (png_alloc_size_t)png_ptr->zbuf_size); png_memcpy(comp->output_ptr[comp->num_output_ptr], png_ptr->zbuf, png_ptr->zbuf_size); comp->num_output_ptr++; @@ -366,13 +393,11 @@ { png_write_chunk_data(png_ptr, (png_bytep)comp->output_ptr[i], (png_size_t)png_ptr->zbuf_size); png_free(png_ptr, comp->output_ptr[i]); - comp->output_ptr[i]=NULL; } if (comp->max_output_ptr != 0) png_free(png_ptr, comp->output_ptr); - comp->output_ptr=NULL; /* Write anything left in zbuf */ if (png_ptr->zstream.avail_out < (png_uint_32)png_ptr->zbuf_size) png_write_chunk_data(png_ptr, png_ptr->zbuf, (png_size_t)(png_ptr->zbuf_size - png_ptr->zstream.avail_out)); @@ -391,11 +416,9 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height, int bit_depth, int color_type, int compression_type, int filter_type, int interlace_type) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_IHDR; -#endif int ret; png_byte buf[13]; /* Buffer to store the IHDR info */ @@ -569,11 +592,9 @@ */ void /* PRIVATE */ png_write_PLTE(png_structp png_ptr, png_colorp palette, png_uint_32 num_pal) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_PLTE; -#endif png_uint_32 i; png_colorp pal_ptr; png_byte buf[3]; @@ -634,11 +655,9 @@ /* Write an IDAT chunk */ void /* PRIVATE */ png_write_IDAT(png_structp png_ptr, png_bytep data, png_size_t length) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_IDAT; -#endif png_debug(1, "in png_write_IDAT"); /* Optimize the CMF field in the zlib stream. */ @@ -689,15 +708,13 @@ /* Write an IEND chunk */ void /* PRIVATE */ png_write_IEND(png_structp png_ptr) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_IEND; -#endif png_debug(1, "in png_write_IEND"); - png_write_chunk(png_ptr, (png_bytep)png_IEND, png_bytep_NULL, + png_write_chunk(png_ptr, (png_bytep)png_IEND, NULL, (png_size_t)0); png_ptr->mode |= PNG_HAVE_IEND; } @@ -706,11 +723,9 @@ #ifdef PNG_FLOATING_POINT_SUPPORTED void /* PRIVATE */ png_write_gAMA(png_structp png_ptr, double file_gamma) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_gAMA; -#endif png_uint_32 igamma; png_byte buf[4]; png_debug(1, "in png_write_gAMA"); @@ -724,11 +739,9 @@ #ifdef PNG_FIXED_POINT_SUPPORTED void /* PRIVATE */ png_write_gAMA_fixed(png_structp png_ptr, png_fixed_point file_gamma) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_gAMA; -#endif png_byte buf[4]; png_debug(1, "in png_write_gAMA"); @@ -743,11 +756,9 @@ /* Write a sRGB chunk */ void /* PRIVATE */ png_write_sRGB(png_structp png_ptr, int srgb_intent) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_sRGB; -#endif png_byte buf[1]; png_debug(1, "in png_write_sRGB"); @@ -764,11 +775,9 @@ void /* PRIVATE */ png_write_iCCP(png_structp png_ptr, png_charp name, int compression_type, png_charp profile, int profile_len) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_iCCP; -#endif png_size_t name_len; png_charp new_name; compression_state comp; int embedded_profile_len = 0; @@ -844,16 +853,14 @@ /* Write a sPLT chunk */ void /* PRIVATE */ png_write_sPLT(png_structp png_ptr, png_sPLT_tp spalette) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_sPLT; -#endif png_size_t name_len; png_charp new_name; png_byte entrybuf[10]; - int entry_size = (spalette->depth == 8 ? 6 : 10); - int palette_size = entry_size * spalette->nentries; + png_size_t entry_size = (spalette->depth == 8 ? 6 : 10); + png_size_t palette_size = entry_size * spalette->nentries; png_sPLT_entryp ep; #ifndef PNG_POINTER_INDEXING_SUPPORTED int i; #endif @@ -925,11 +932,9 @@ /* Write the sBIT chunk */ void /* PRIVATE */ png_write_sBIT(png_structp png_ptr, png_color_8p sbit, int color_type) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_sBIT; -#endif png_byte buf[4]; png_size_t size; png_debug(1, "in png_write_sBIT"); @@ -985,11 +990,9 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y, double red_x, double red_y, double green_x, double green_y, double blue_x, double blue_y) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_cHRM; -#endif png_byte buf[32]; png_fixed_point int_white_x, int_white_y, int_red_x, int_red_y, int_green_x, int_green_y, int_blue_x, int_blue_y; @@ -1034,11 +1037,9 @@ png_fixed_point white_y, png_fixed_point red_x, png_fixed_point red_y, png_fixed_point green_x, png_fixed_point green_y, png_fixed_point blue_x, png_fixed_point blue_y) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_cHRM; -#endif png_byte buf[32]; png_debug(1, "in png_write_cHRM"); @@ -1068,14 +1069,12 @@ #ifdef PNG_WRITE_tRNS_SUPPORTED /* Write the tRNS chunk */ void /* PRIVATE */ -png_write_tRNS(png_structp png_ptr, png_bytep trans, png_color_16p tran, +png_write_tRNS(png_structp png_ptr, png_bytep trans_alpha, png_color_16p tran, int num_trans, int color_type) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_tRNS; -#endif png_byte buf[6]; png_debug(1, "in png_write_tRNS"); @@ -1086,9 +1085,9 @@ png_warning(png_ptr, "Invalid number of transparent colors specified"); return; } /* Write the chunk out as it is */ - png_write_chunk(png_ptr, (png_bytep)png_tRNS, trans, + png_write_chunk(png_ptr, (png_bytep)png_tRNS, trans_alpha, (png_size_t)num_trans); } else if (color_type == PNG_COLOR_TYPE_GRAY) { @@ -1127,11 +1126,9 @@ /* Write the background chunk */ void /* PRIVATE */ png_write_bKGD(png_structp png_ptr, png_color_16p back, int color_type) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_bKGD; -#endif png_byte buf[6]; png_debug(1, "in png_write_bKGD"); @@ -1181,11 +1178,9 @@ /* Write the histogram */ void /* PRIVATE */ png_write_hIST(png_structp png_ptr, png_uint_16p hist, int num_hist) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_hIST; -#endif int i; png_byte buf[3]; png_debug(1, "in png_write_hIST"); @@ -1253,9 +1248,9 @@ { if ((png_byte)*kp < 0x20 || ((png_byte)*kp > 0x7E && (png_byte)*kp < 0xA1)) { -#if defined(PNG_STDIO_SUPPORTED) && !defined(_WIN32_WCE) +#ifdef PNG_STDIO_SUPPORTED char msg[40]; png_snprintf(msg, 40, "invalid keyword character 0x%02X", (png_byte)*kp); @@ -1325,9 +1320,8 @@ if (key_len == 0) { png_free(png_ptr, *new_key); - *new_key=NULL; png_warning(png_ptr, "Zero length keyword"); } if (key_len > 79) @@ -1346,11 +1340,9 @@ void /* PRIVATE */ png_write_tEXt(png_structp png_ptr, png_charp key, png_charp text, png_size_t text_len) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_tEXt; -#endif png_size_t key_len; png_charp new_key; png_debug(1, "in png_write_tEXt"); @@ -1387,11 +1379,9 @@ void /* PRIVATE */ png_write_zTXt(png_structp png_ptr, png_charp key, png_charp text, png_size_t text_len, int compression) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_zTXt; -#endif png_size_t key_len; char buf[1]; png_charp new_key; compression_state comp; @@ -1447,11 +1437,9 @@ void /* PRIVATE */ png_write_iTXt(png_structp png_ptr, int compression, png_charp key, png_charp lang, png_charp lang_key, png_charp text) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_iTXt; -#endif png_size_t lang_len, key_len, lang_key_len, text_len; png_charp new_lang; png_charp new_key = NULL; png_byte cbuf[2]; @@ -1536,11 +1524,9 @@ void /* PRIVATE */ png_write_oFFs(png_structp png_ptr, png_int_32 x_offset, png_int_32 y_offset, int unit_type) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_oFFs; -#endif png_byte buf[9]; png_debug(1, "in png_write_oFFs"); @@ -1559,11 +1545,9 @@ void /* PRIVATE */ png_write_pCAL(png_structp png_ptr, png_charp purpose, png_int_32 X0, png_int_32 X1, int type, int nparams, png_charp units, png_charpp params) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_pCAL; -#endif png_size_t purpose_len, units_len, total_len; png_uint_32p params_len; png_byte buf[10]; png_charp new_purpose; @@ -1580,9 +1564,9 @@ png_debug1(3, "pCAL units length = %d", (int)units_len); total_len = purpose_len + units_len + 10; params_len = (png_uint_32p)png_malloc(png_ptr, - (png_uint_32)(nparams * png_sizeof(png_uint_32))); + (png_alloc_size_t)(nparams * png_sizeof(png_uint_32))); /* Find the length of each parameter, making sure we don't count the null terminator for the last parameter. */ for (i = 0; i < nparams; i++) @@ -1622,38 +1606,19 @@ #if defined(PNG_FLOATING_POINT_SUPPORTED) && defined(PNG_STDIO_SUPPORTED) void /* PRIVATE */ png_write_sCAL(png_structp png_ptr, int unit, double width, double height) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_sCAL; -#endif char buf[64]; png_size_t total_len; png_debug(1, "in png_write_sCAL"); buf[0] = (char)unit; -#ifdef _WIN32_WCE -/* sprintf() function is not supported on WindowsCE */ - { - wchar_t wc_buf[32]; - size_t wc_len; - swprintf(wc_buf, TEXT("%12.12e"), width); - wc_len = wcslen(wc_buf); - WideCharToMultiByte(CP_ACP, 0, wc_buf, -1, buf + 1, wc_len, NULL, NULL); - total_len = wc_len + 2; - swprintf(wc_buf, TEXT("%12.12e"), height); - wc_len = wcslen(wc_buf); - WideCharToMultiByte(CP_ACP, 0, wc_buf, -1, buf + total_len, wc_len, - NULL, NULL); - total_len += wc_len; - } -#else png_snprintf(buf + 1, 63, "%12.12e", width); total_len = 1 + png_strlen(buf + 1) + 1; png_snprintf(buf + total_len, 64-total_len, "%12.12e", height); total_len += png_strlen(buf + total_len); -#endif png_debug1(3, "sCAL total length = %u", (unsigned int)total_len); png_write_chunk(png_ptr, (png_bytep)png_sCAL, (png_bytep)buf, total_len); } @@ -1662,11 +1627,9 @@ void /* PRIVATE */ png_write_sCAL_s(png_structp png_ptr, int unit, png_charp width, png_charp height) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_sCAL; -#endif png_byte buf[64]; png_size_t wlen, hlen, total_len; png_debug(1, "in png_write_sCAL_s"); @@ -1697,11 +1660,9 @@ png_write_pHYs(png_structp png_ptr, png_uint_32 x_pixels_per_unit, png_uint_32 y_pixels_per_unit, int unit_type) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_pHYs; -#endif png_byte buf[9]; png_debug(1, "in png_write_pHYs"); @@ -1722,11 +1683,9 @@ */ void /* PRIVATE */ png_write_tIME(png_structp png_ptr, png_timep mod_time) { -#ifdef PNG_USE_LOCAL_ARRAYS PNG_tIME; -#endif png_byte buf[7]; png_debug(1, "in png_write_tIME"); @@ -1777,45 +1736,45 @@ png_ptr->usr_channels*png_ptr->usr_bit_depth, png_ptr->width) + 1); /* Set up row buffer */ png_ptr->row_buf = (png_bytep)png_malloc(png_ptr, - (png_uint_32)buf_size); + (png_alloc_size_t)buf_size); png_ptr->row_buf[0] = PNG_FILTER_VALUE_NONE; #ifdef PNG_WRITE_FILTER_SUPPORTED /* Set up filtering buffer, if using this filter */ if (png_ptr->do_filter & PNG_FILTER_SUB) { png_ptr->sub_row = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(png_ptr->rowbytes + 1)); + (png_alloc_size_t)(png_ptr->rowbytes + 1)); png_ptr->sub_row[0] = PNG_FILTER_VALUE_SUB; } /* We only need to keep the previous row if we are using one of these. */ if (png_ptr->do_filter & (PNG_FILTER_AVG | PNG_FILTER_UP | PNG_FILTER_PAETH)) { /* Set up previous row buffer */ png_ptr->prev_row = (png_bytep)png_calloc(png_ptr, - (png_uint_32)buf_size); + (png_alloc_size_t)buf_size); if (png_ptr->do_filter & PNG_FILTER_UP) { png_ptr->up_row = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(png_ptr->rowbytes + 1)); + (png_size_t)(png_ptr->rowbytes + 1)); png_ptr->up_row[0] = PNG_FILTER_VALUE_UP; } if (png_ptr->do_filter & PNG_FILTER_AVG) { png_ptr->avg_row = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(png_ptr->rowbytes + 1)); + (png_alloc_size_t)(png_ptr->rowbytes + 1)); png_ptr->avg_row[0] = PNG_FILTER_VALUE_AVG; } if (png_ptr->do_filter & PNG_FILTER_PAETH) { png_ptr->paeth_row = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(png_ptr->rowbytes + 1)); + (png_size_t)(png_ptr->rowbytes + 1)); png_ptr->paeth_row[0] = PNG_FILTER_VALUE_PAETH; } } #endif /* PNG_WRITE_FILTER_SUPPORTED */ @@ -1979,13 +1938,9 @@ png_debug(1, "in png_do_write_interlace"); /* We don't have to do anything on the last pass (6) */ -#ifdef PNG_USELESS_TESTS_SUPPORTED - if (row != NULL && row_info != NULL && pass < 6) -#else if (pass < 6) -#endif { /* Each pixel depth is handled separately */ switch (row_info->pixel_depth) { Files libpng-1.2.41beta18/projects/beos/x86-shared.proj and libpng-1.4.0beta98/projects/beos/x86-shared.proj differ diff -ru4NwbB libpng-1.2.41beta18/projects/beos/x86-shared.txt libpng-1.4.0beta98/projects/beos/x86-shared.txt --- libpng-1.2.41beta18/projects/beos/x86-shared.txt 2001-03-27 07:37:36.000000000 -0600 +++ libpng-1.4.0beta98/projects/beos/x86-shared.txt 1969-12-31 18:00:00.000000000 -0600 @@ -1,22 +0,0 @@ -This project builds a shared library version of libpng on x86 BeOS. - -It defines PNG_USE_PNGGCCRD, which activates the assembly code in -pnggccrd.c; this hasn't been extensively tested on BeOS. - -To install: - -1) build - - Note: As of version 1.0.10, you'll get a fair number of warnings when - you compile pnggccrd.c. As far as I know, these are harmless, - but it would be better if someone fixed them. - -2) copy and png.h, pngconf.h somewhere; /boot/home/config/include (which - you'll have to make) is a good choice - -3) copy libpng.so to /boot/home/config/lib - -4) build your libpng.so applications (remember to include libz.a as - well when you link) - -- Chris Herborth, March 27, 2001 Files libpng-1.2.41beta18/projects/beos/x86-static.proj and libpng-1.4.0beta98/projects/beos/x86-static.proj differ diff -ru4NwbB libpng-1.2.41beta18/projects/beos/x86-static.txt libpng-1.4.0beta98/projects/beos/x86-static.txt --- libpng-1.2.41beta18/projects/beos/x86-static.txt 2001-03-27 07:37:54.000000000 -0600 +++ libpng-1.4.0beta98/projects/beos/x86-static.txt 1969-12-31 18:00:00.000000000 -0600 @@ -1,22 +0,0 @@ -This project builds a static library version of libpng on x86 BeOS. - -It defines PNG_USE_PNGGCCRD, which activates the assembly code in -pnggccrd.c; this hasn't been extensively tested on BeOS. - -To install: - -1) build - - Note: As of version 1.0.10, you'll get a fair number of warnings when - you compile pnggccrd.c. As far as I know, these are harmless, - but it would be better if someone fixed them. - -2) copy and png.h, pngconf.h somewhere; /boot/home/config/include (which - you'll have to make) is a good choice - -3) copy libpng.a to /boot/home/config/lib - -4) build your libpng.a applications (remember to include libz.a as - well when you link) - -- Chris Herborth, March 27, 2001 diff -ru4NwbB libpng-1.2.41beta18/projects/cbuilder5/README.txt libpng-1.4.0beta98/projects/cbuilder5/README.txt --- libpng-1.2.41beta18/projects/cbuilder5/README.txt 1969-12-31 18:00:00.000000000 -0600 +++ libpng-1.4.0beta98/projects/cbuilder5/README.txt 2009-11-07 09:01:26.000000000 -0600 @@ -0,0 +1,11 @@ +The cbuilder5 project has not been updated to libpng-1.4.0. + +It needs to depend on pngpriv.h + +It needs to *not* depend on pnggccrd.c or pngvcrd.c + +It needs to DEFINE PNG_CONFIGURE_LIBPNG while building +the library, but not while building an application. + +If an updated version is not received, this project will +be removed when libpng-1.4.0 is released. diff -ru4NwbB libpng-1.2.41beta18/projects/netware.txt libpng-1.4.0beta98/projects/netware.txt --- libpng-1.2.41beta18/projects/netware.txt 2009-11-11 15:01:35.136873712 -0600 +++ libpng-1.4.0beta98/projects/netware.txt 1969-12-31 18:00:00.000000000 -0600 @@ -1,6 +0,0 @@ -A set of project files is available for Netware. Get -libpng-1.2.5-project-netware.zip from a libpng distribution -site such as http://libpng.sourceforge.net - -Put the zip file in this directory (projects) and then run -"unzip -a libpng-1.2.5-project-netware.zip" diff -ru4NwbB libpng-1.2.41beta18/projects/visualc6/README.txt libpng-1.4.0beta98/projects/visualc6/README.txt --- libpng-1.2.41beta18/projects/visualc6/README.txt 2009-11-11 15:01:35.064117340 -0600 +++ libpng-1.4.0beta98/projects/visualc6/README.txt 2009-11-13 05:18:12.777919636 -0600 @@ -1,8 +1,10 @@ Microsoft Developer Studio Project File, Format Version 6.00 for libpng. Copyright (C) 2000-2004 Simon-Pierre Cadieux. Copyright (C) 2004 Cosmin Truta. + +This code is released under the libpng license. For conditions of distribution and use, see copyright notice in png.h Assumptions: @@ -30,13 +32,13 @@ This project builds the libpng binaries as follows: -* Win32_DLL_Release\libpng13.dll DLL build -* Win32_DLL_Debug\libpng13d.dll DLL build (debug version) -* Win32_DLL_ASM_Release\libpng13.dll DLL build using ASM code -* Win32_DLL_ASM_Debug\libpng13d.dll DLL build using ASM (debug version) -* Win32_DLL_VB\libpng13vb.dll DLL build for Visual Basic, using stdcall +* Win32_DLL_Release\libpng14.dll DLL build +* Win32_DLL_Debug\libpng14d.dll DLL build (debug version) +* Win32_DLL_ASM_Release\libpng14.dll DLL build using ASM code +* Win32_DLL_ASM_Debug\libpng14d.dll DLL build using ASM (debug version) +* Win32_DLL_VB\libpng14vb.dll DLL build for Visual Basic, using stdcall * Win32_LIB_Release\libpng.lib static build * Win32_LIB_Debug\libpngd.lib static build (debug version) * Win32_LIB_ASM_Release\libpng.lib static build using ASM code * Win32_LIB_ASM_Debug\libpngd.lib static build using ASM (debug version) diff -ru4NwbB libpng-1.2.41beta18/projects/visualc6/libpng.dsp libpng-1.4.0beta98/projects/visualc6/libpng.dsp --- libpng-1.2.41beta18/projects/visualc6/libpng.dsp 2009-11-11 15:01:35.075157159 -0600 +++ libpng-1.4.0beta98/projects/visualc6/libpng.dsp 2009-11-13 05:18:12.788709932 -0600 @@ -49,9 +49,9 @@ # PROP Target_Dir "" CPP=cl.exe # ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c # SUBTRACT BASE CPP /YX /Yc /Yu -# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_BUILD_DLL" /D "PNG_NO_MMX_CODE" /D "ZLIB_DLL" /D "_CRT_SECURE_NO_WARNINGS" /FD /c +# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_BUILD_DLL" /D "ZLIB_DLL" /FD /c # SUBTRACT CPP /YX /Yc /Yu MTL=midl.exe # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32 @@ -62,9 +62,9 @@ # ADD BASE BSC32 /nologo # ADD BSC32 /nologo LINK32=link.exe # ADD BASE LINK32 /nologo /dll /machine:I386 -# ADD LINK32 zlib1.lib /nologo /dll /machine:I386 /out:"Win32_DLL_Release\libpng13.dll" /libpath:"..\..\..\zlib\projects\visualc6\Win32_DLL_Release" +# ADD LINK32 zlib1.lib /nologo /dll /machine:I386 /out:"Win32_DLL_Release\libpng14.dll" /libpath:"..\..\..\zlib\projects\visualc6\Win32_DLL_Release" !ELSEIF "$(CFG)" == "libpng - Win32 DLL Debug" # PROP BASE Use_MFC 0 @@ -80,9 +80,9 @@ # PROP Target_Dir "" CPP=cl.exe # ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c # SUBTRACT BASE CPP /YX /Yc /Yu -# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "DEBUG" /D "PNG_NO_MMX_CODE" /D PNG_DEBUG=1 /D "PNG_BUILD_DLL" /D "ZLIB_DLL" /D "_CRT_SECURE_NO_WARNINGS" /FD /GZ /c +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "DEBUG" /D PNG_DEBUG=1 /D "PNG_BUILD_DLL" /D "ZLIB_DLL" /FD /GZ /c # SUBTRACT CPP /YX /Yc /Yu MTL=midl.exe # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32 @@ -93,9 +93,9 @@ # ADD BASE BSC32 /nologo # ADD BSC32 /nologo LINK32=link.exe # ADD BASE LINK32 /nologo /dll /debug /machine:I386 /pdbtype:sept -# ADD LINK32 zlib1d.lib /nologo /dll /debug /machine:I386 /out:"Win32_DLL_Debug\libpng13d.dll" /libpath:"..\..\..\zlib\projects\visualc6\Win32_DLL_Debug" +# ADD LINK32 zlib1d.lib /nologo /dll /debug /machine:I386 /out:"Win32_DLL_Debug\libpng14d.dll" /libpath:"..\..\..\zlib\projects\visualc6\Win32_DLL_Debug" !ELSEIF "$(CFG)" == "libpng - Win32 DLL ASM Release" # PROP BASE Use_MFC 0 @@ -111,9 +111,9 @@ # PROP Target_Dir "" CPP=cl.exe # ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c # SUBTRACT BASE CPP /YX /Yc /Yu -# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_USE_PNGVCRD" /D "PNG_BUILD_DLL" /D "ZLIB_DLL" /D "PNG_LIBPNG_SPECIALBUILD" /D "_CRT_SECURE_NO_WARNINGS" /FD /c +# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_USE_PNGVCRD" /D "PNG_BUILD_DLL" /D "ZLIB_DLL" /D "PNG_LIBPNG_SPECIALBUILD" /FD /c # SUBTRACT CPP /YX /Yc /Yu MTL=midl.exe # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32 @@ -124,9 +124,9 @@ # ADD BASE BSC32 /nologo # ADD BSC32 /nologo LINK32=link.exe # ADD BASE LINK32 /nologo /dll /machine:I386 -# ADD LINK32 zlib1.lib /nologo /dll /machine:I386 /out:"Win32_DLL_ASM_Release\libpng13.dll" /libpath:"..\..\..\zlib\projects\visualc6\Win32_DLL_ASM_Release" +# ADD LINK32 zlib1.lib /nologo /dll /machine:I386 /out:"Win32_DLL_ASM_Release\libpng14.dll" /libpath:"..\..\..\zlib\projects\visualc6\Win32_DLL_ASM_Release" !ELSEIF "$(CFG)" == "libpng - Win32 DLL ASM Debug" # PROP BASE Use_MFC 0 @@ -142,9 +142,9 @@ # PROP Target_Dir "" CPP=cl.exe # ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c # SUBTRACT BASE CPP /YX /Yc /Yu -# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "DEBUG" /D PNG_DEBUG=1 /D "PNG_USE_PNGVCRD" /D "PNG_BUILD_DLL" /D "ZLIB_DLL" /D "PNG_LIBPNG_SPECIALBUILD" /D "_CRT_SECURE_NO_WARNINGS" /FD /GZ /c +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "DEBUG" /D PNG_DEBUG=1 /D "PNG_USE_PNGVCRD" /D "PNG_BUILD_DLL" /D "ZLIB_DLL" /D "PNG_LIBPNG_SPECIALBUILD" /FD /GZ /c # SUBTRACT CPP /YX /Yc /Yu MTL=midl.exe # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32 @@ -155,9 +155,9 @@ # ADD BASE BSC32 /nologo # ADD BSC32 /nologo LINK32=link.exe # ADD BASE LINK32 /nologo /dll /debug /machine:I386 /pdbtype:sept -# ADD LINK32 zlib1d.lib /nologo /dll /debug /machine:I386 /out:"Win32_DLL_ASM_Debug\libpng13d.dll" /libpath:"..\..\..\zlib\projects\visualc6\Win32_DLL_ASM_Debug" +# ADD LINK32 zlib1d.lib /nologo /dll /debug /machine:I386 /out:"Win32_DLL_ASM_Debug\libpng14d.dll" /libpath:"..\..\..\zlib\projects\visualc6\Win32_DLL_ASM_Debug" !ELSEIF "$(CFG)" == "libpng - Win32 DLL VB" # PROP BASE Use_MFC 0 @@ -173,9 +173,9 @@ # PROP Target_Dir "" CPP=cl.exe # ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c # SUBTRACT BASE CPP /YX /Yc /Yu -# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_BUILD_DLL" /D "ZLIB_DLL" /D PNGAPI=__stdcall /D "PNG_NO_MODULEDEF" /D "PNG_LIBPNG_SPECIALBUILD" /D "_CRT_SECURE_NO_WARNINGS" /FD /c +# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_BUILD_DLL" /D "ZLIB_DLL" /D PNGAPI=__stdcall /D "PNG_NO_MODULEDEF" /D "PNG_LIBPNG_SPECIALBUILD" /FD /c # SUBTRACT CPP /YX /Yc /Yu MTL=midl.exe # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32 @@ -186,12 +186,12 @@ # ADD BASE BSC32 /nologo # ADD BSC32 /nologo LINK32=link.exe # ADD BASE LINK32 /nologo /dll /machine:I386 -# ADD LINK32 zlib1.lib /nologo /dll /machine:I386 /out:"Win32_DLL_VB\libpng13vb.dll" /libpath:"..\..\..\zlib\projects\visualc6\Win32_DLL_Release" +# ADD LINK32 zlib1.lib /nologo /dll /machine:I386 /out:"Win32_DLL_VB\libpng14vb.dll" /libpath:"..\..\..\zlib\projects\visualc6\Win32_DLL_Release" # Begin Special Build Tool OutDir=.\Win32_DLL_VB -TargetName=libpng13vb +TargetName=libpng14vb SOURCE="$(InputPath)" PostBuild_Cmds=echo Deleting $(targetname) import library and export file (Not required for VB projects) del $(outdir)\$(targetname).lib del $(outdir)\$(targetname).exp # End Special Build Tool @@ -209,9 +209,9 @@ # PROP Target_Dir "" CPP=cl.exe # ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c # SUBTRACT BASE CPP /YX /Yc /Yu -# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "PNG_NO_MMX_CODE" /D "WIN32" /D "NDEBUG" /D "_CRT_SECURE_NO_WARNINGS" /FD /c +# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /FD /c # SUBTRACT CPP /YX /Yc /Yu RSC=rc.exe # ADD BASE RSC /l 0x409 /d "PNG_CONFIGURE_LIBPNG" /d "NDEBUG" # ADD RSC /l 0x409 /i "..\.." /d "PNG_CONFIGURE_LIBPNG" /d "NDEBUG" @@ -236,9 +236,9 @@ # PROP Target_Dir "" CPP=cl.exe # ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c # SUBTRACT BASE CPP /YX /Yc /Yu -# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "DEBUG" /D "PNG_NO_MMX_CODE" /D PNG_DEBUG=1 /D "_CRT_SECURE_NO_WARNINGS" /FD /GZ /c +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "DEBUG" /D PNG_DEBUG=1 /FD /GZ /c # SUBTRACT CPP /YX /Yc /Yu RSC=rc.exe # ADD BASE RSC /l 0x409 /d "PNG_CONFIGURE_LIBPNG" /d "_DEBUG" # ADD RSC /l 0x409 /d "PNG_CONFIGURE_LIBPNG" /d "_DEBUG" @@ -263,9 +263,9 @@ # PROP Target_Dir "" CPP=cl.exe # ADD BASE CPP /nologo /MD /W3 /O2 /D "WIN32" /D "NDEBUG" /FD /c # SUBTRACT BASE CPP /YX /Yc /Yu -# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_USE_PNGVCRD" /D "PNG_LIBPNG_SPECIALBUILD" /D "_CRT_SECURE_NO_WARNINGS" /FD /c +# ADD CPP /nologo /MD /W3 /O2 /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "NDEBUG" /D "PNG_USE_PNGVCRD" /D "PNG_LIBPNG_SPECIALBUILD" /FD /c # SUBTRACT CPP /YX /Yc /Yu RSC=rc.exe # ADD BASE RSC /l 0x409 /d "PNG_CONFIGURE_LIBPNG" /d "NDEBUG" # ADD RSC /l 0x409 /i "..\.." /d "PNG_CONFIGURE_LIBPNG" /d "NDEBUG" @@ -290,9 +290,9 @@ # PROP Target_Dir "" CPP=cl.exe # ADD BASE CPP /nologo /MDd /W3 /Gm /ZI /Od /D "WIN32" /D "_DEBUG" /FD /GZ /c # SUBTRACT BASE CPP /YX /Yc /Yu -# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "DEBUG" /D PNG_DEBUG=1 /D "PNG_USE_PNGVCRD" /D "PNG_LIBPNG_SPECIALBUILD" /D "_CRT_SECURE_NO_WARNINGS" /FD /GZ /c +# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "DEBUG" /D PNG_DEBUG=1 /D "PNG_USE_PNGVCRD" /D "PNG_LIBPNG_SPECIALBUILD" /FD /GZ /c # SUBTRACT CPP /YX /Yc /Yu RSC=rc.exe # ADD BASE RSC /l 0x409 /d "PNG_CONFIGURE_LIBPNG" /d "_DEBUG" # ADD RSC /l 0x409 /d "PNG_CONFIGURE_LIBPNG" /d "_DEBUG" @@ -364,9 +364,42 @@ SOURCE=..\..\pngtrans.c # End Source File # Begin Source File -SOURCE=..\..\scripts\pngw32.def +!IF "$(CFG)" == "libpng - Win32 DLL Release" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "libpng - Win32 DLL Debug" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "libpng - Win32 DLL ASM Release" + +!ELSEIF "$(CFG)" == "libpng - Win32 DLL ASM Debug" + +!ELSEIF "$(CFG)" == "libpng - Win32 DLL VB" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "libpng - Win32 LIB Release" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "libpng - Win32 LIB Debug" + +# PROP Exclude_From_Build 1 + +!ELSEIF "$(CFG)" == "libpng - Win32 LIB ASM Release" + +!ELSEIF "$(CFG)" == "libpng - Win32 LIB ASM Debug" + +!ENDIF + +# End Source File +# Begin Source File + +SOURCE=..\..\scripts\pngwin.def !IF "$(CFG)" == "libpng - Win32 DLL Release" !ELSEIF "$(CFG)" == "libpng - Win32 DLL Debug" @@ -425,15 +458,19 @@ # Begin Source File SOURCE=..\..\pngconf.h # End Source File +# Begin Source File + +SOURCE=..\..\pngpriv.h +# End Source File # End Group # Begin Group "Resource Files" # PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe" # Begin Source File -SOURCE=..\..\scripts\pngw32.rc +SOURCE=..\..\scripts\pngwin.rc !IF "$(CFG)" == "libpng - Win32 DLL Release" !ELSEIF "$(CFG)" == "libpng - Win32 DLL Debug" diff -ru4NwbB libpng-1.2.41beta18/projects/visualc6/pngtest.dsp libpng-1.4.0beta98/projects/visualc6/pngtest.dsp --- libpng-1.2.41beta18/projects/visualc6/pngtest.dsp 2009-11-11 15:01:35.085438925 -0600 +++ libpng-1.4.0beta98/projects/visualc6/pngtest.dsp 2009-11-13 05:18:12.798893511 -0600 @@ -57,9 +57,9 @@ # ADD BASE BSC32 /nologo # ADD BSC32 /nologo LINK32=link.exe # ADD BASE LINK32 /nologo /subsystem:console /machine:I386 -# ADD LINK32 Win32_DLL_Release\libpng13.lib ..\..\..\zlib\projects\visualc6\Win32_DLL_Release\zlib1.lib /nologo /subsystem:console /machine:I386 +# ADD LINK32 Win32_DLL_Release\libpng14.lib ..\..\..\zlib\projects\visualc6\Win32_DLL_Release\zlib1.lib /nologo /subsystem:console /machine:I386 # Begin Special Build Tool OutDir=.\Win32_DLL_Release SOURCE="$(InputPath)" PostBuild_Desc=[Run Test] @@ -89,9 +89,9 @@ # ADD BASE BSC32 /nologo # ADD BSC32 /nologo LINK32=link.exe # ADD BASE LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept -# ADD LINK32 Win32_DLL_Debug\libpng13d.lib ..\..\..\zlib\projects\visualc6\Win32_DLL_Debug\zlib1d.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept +# ADD LINK32 Win32_DLL_Debug\libpng14d.lib ..\..\..\zlib\projects\visualc6\Win32_DLL_Debug\zlib1d.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept # Begin Special Build Tool OutDir=.\Win32_DLL_Debug SOURCE="$(InputPath)" PostBuild_Desc=[Run Test] @@ -121,9 +121,9 @@ # ADD BASE BSC32 /nologo # ADD BSC32 /nologo LINK32=link.exe # ADD BASE LINK32 /nologo /subsystem:console /machine:I386 -# ADD LINK32 Win32_DLL_ASM_Release\libpng13.lib ..\..\..\zlib\projects\visualc6\Win32_DLL_ASM_Release\zlib1.lib /nologo /subsystem:console /machine:I386 +# ADD LINK32 Win32_DLL_ASM_Release\libpng14.lib ..\..\..\zlib\projects\visualc6\Win32_DLL_ASM_Release\zlib1.lib /nologo /subsystem:console /machine:I386 # Begin Special Build Tool OutDir=.\Win32_DLL_ASM_Release SOURCE="$(InputPath)" PostBuild_Desc=[Run Test] @@ -153,9 +153,9 @@ # ADD BASE BSC32 /nologo # ADD BSC32 /nologo LINK32=link.exe # ADD BASE LINK32 /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept -# ADD LINK32 Win32_DLL_ASM_Debug\libpng13d.lib ..\..\..\zlib\projects\visualc6\Win32_DLL_ASM_Debug\zlib1d.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept +# ADD LINK32 Win32_DLL_ASM_Debug\libpng14d.lib ..\..\..\zlib\projects\visualc6\Win32_DLL_ASM_Debug\zlib1d.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept # Begin Special Build Tool OutDir=.\Win32_DLL_ASM_Debug SOURCE="$(InputPath)" PostBuild_Desc=[Run Test] diff -ru4NwbB libpng-1.2.41beta18/projects/visualc71/PRJ0041.mak libpng-1.4.0beta98/projects/visualc71/PRJ0041.mak --- libpng-1.2.41beta18/projects/visualc71/PRJ0041.mak 2004-11-29 03:16:32.000000000 -0600 +++ libpng-1.4.0beta98/projects/visualc71/PRJ0041.mak 2006-08-15 14:08:14.000000000 -0500 @@ -1,6 +1,6 @@ # Prevent "Cannot find missing dependency..." warnings while compiling -# pngw32.rc (PRJ0041). +# pngwin.rc (PRJ0041). all: $(IntDir)\alloc.h \ $(IntDir)\fp.h \ $(IntDir)\m68881.h \ diff -ru4NwbB libpng-1.2.41beta18/projects/visualc71/README.txt libpng-1.4.0beta98/projects/visualc71/README.txt --- libpng-1.2.41beta18/projects/visualc71/README.txt 2004-12-02 17:47:48.000000000 -0600 +++ libpng-1.4.0beta98/projects/visualc71/README.txt 2009-06-26 21:44:28.000000000 -0500 @@ -1,7 +1,9 @@ Microsoft Developer Studio Project File, Format Version 7.10 for libpng. Copyright (C) 2004 Simon-Pierre Cadieux. + +This code is released under the libpng license. For conditions of distribution and use, see copyright notice in png.h Assumptions: * The libpng source files are in ..\.. diff -ru4NwbB libpng-1.2.41beta18/projects/visualc71/README_zlib.txt libpng-1.4.0beta98/projects/visualc71/README_zlib.txt --- libpng-1.2.41beta18/projects/visualc71/README_zlib.txt 2004-12-02 17:53:14.000000000 -0600 +++ libpng-1.4.0beta98/projects/visualc71/README_zlib.txt 2009-06-26 21:44:28.000000000 -0500 @@ -5,8 +5,10 @@ Microsoft Developer Studio Project File, Format Version 7.10 for zlib. Copyright (C) 2004 Simon-Pierre Cadieux. Copyright (C) 2004 Cosmin Truta. + +This code is released under the libpng license. For conditions of distribution and use, see copyright notice in zlib.h. To use: diff -ru4NwbB libpng-1.2.41beta18/projects/visualc71/libpng.vcproj libpng-1.4.0beta98/projects/visualc71/libpng.vcproj --- libpng-1.2.41beta18/projects/visualc71/libpng.vcproj 2009-11-08 19:07:21.000000000 -0600 +++ libpng-1.4.0beta98/projects/visualc71/libpng.vcproj 2009-11-07 08:38:44.000000000 -0600 @@ -17,9 +17,9 @@ + ModuleDefinitionFile="..\..\scripts\pngwin.def"/> @@ -42,9 +42,9 @@ @@ -65,9 +65,9 @@ @@ -113,9 +113,9 @@ + ModuleDefinitionFile="..\..\scripts\pngwin.def"/> @@ -139,9 +139,9 @@ Name="VCPreLinkEventTool"/> @@ -162,9 +162,9 @@ @@ -211,9 +211,9 @@ @@ -259,9 +259,9 @@ + RelativePath="..\..\pngvcrd.c"> + + + + + + + + + + + + + + + + + + + + RelativePath="..\..\scripts\pngwin.rc"> $@ $(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF) diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.darwin libpng-1.4.0beta98/scripts/makefile.darwin --- libpng-1.2.41beta18/scripts/makefile.darwin 2009-11-11 15:01:34.671580936 -0600 +++ libpng-1.4.0beta98/scripts/makefile.darwin 2009-11-13 05:18:12.404404040 -0600 @@ -40,9 +40,9 @@ LN_SF=ln -sf RANLIB=ranlib RM_F=/bin/rm -f -# CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE +# CFLAGS=--DPNG_CONFIGURE_LIBPNG I$(ZLIBINC) -W -Wall -O3 -funroll-loops CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O -funroll-loops LDFLAGS=-L. -L$(ZLIBLIB) -lpng%N% -lz INCPATH=$(prefix)/include diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.freebsd libpng-1.4.0beta98/scripts/makefile.freebsd --- libpng-1.2.41beta18/scripts/makefile.freebsd 2009-11-11 15:01:34.711834853 -0600 +++ libpng-1.4.0beta98/scripts/makefile.freebsd 2009-11-13 05:18:12.444370423 -0600 @@ -5,9 +5,9 @@ # For conditions of distribution and use, see the disclaimer # and license in png.h PREFIX?= /usr/local -SHLIB_VER?= 5 +SHLIB_VER?= %SONUM% LIB= png SHLIB_MAJOR= ${SHLIB_VER} SHLIB_MINOR= 0 @@ -27,11 +27,8 @@ LDADD+= -lm -lz DPADD+= ${LIBM} ${LIBZ} CFLAGS+= -DPNG_CONFIGURE_LIBPNG -I. -.if (${MACHINE_ARCH} != "i386") -CFLAGS+= -DPNG_CONFIGURE_LIBPNG -DPNG_NO_MMX_CODE -.endif SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ pngwtran.c pngmem.c pngerror.c pngpread.c diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.gcmmx libpng-1.4.0beta98/scripts/makefile.gcmmx --- libpng-1.2.41beta18/scripts/makefile.gcmmx 2009-11-11 15:01:34.731893762 -0600 +++ libpng-1.4.0beta98/scripts/makefile.gcmmx 1969-12-31 18:00:00.000000000 -0600 @@ -1,274 +0,0 @@ -# makefile for libpng.a and libpng%N%.so on Linux ELF with gcc using MMX -# assembler code -# Copyright 2002, 2006, 2008 Greg Roelofs and Glenn Randers-Pehrson -# Copyright 1998-2001 Greg Roelofs -# Copyright 1996-1997 Andreas Dilger - -# This code is released under the libpng license. -# For conditions of distribution and use, see the disclaimer -# and license in png.h - -# CAUTION: Do not use this makefile with gcc versions 2.7.2.2 and earlier. - -# NOTE: When testing MMX performance on a multitasking system, make sure -# there are no floating-point programs (e.g., SETI@Home) running in -# the background! Context switches between MMX and FPU are expensive. - -# Library name: -LIBNAME = libpng%N% -PNGMAJ = %SONUM% -PNGMIN = 1.4.0beta98 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.%OLDNUM% -OLDSOVER=libpng.so.%OLDNUM%.$(PNGMIN) - -# Utilities: -CC = gcc -LD = $(CC) -AR_RC = ar rc -LN_SF = ln -sf -MKDIR_P = mkdir -p -RANLIB = ranlib -RM_F = /bin/rm -f - -# where "make install" puts libpng%N%.a, libpng%N%.so*, -# libpng%N%/png.h and libpng%N%/pngconf.h -# Prefix must be a full pathname. -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located. -#ZLIBLIB=/usr/local/lib -#ZLIBINC=/usr/local/include -ZLIBLIB=../zlib -ZLIBINC=../zlib - -ALIGN= -# for i386: -#ALIGN=-malign-loops=2 -malign-functions=2 - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion - -# for pgcc version 2.95.1, -O3 is buggy; don't use it. - -# Remove -DPNG_THREAD_UNSAFE_OK if you need thread safety -### for generic gcc: -CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \ - $(ALIGN) -funroll-loops \ - -fomit-frame-pointer # $(WARNMORE) -g -DPNG_DEBUG=5 -### for gcc 2.95.2 on 686: -#CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \ -# -mcpu=i686 -malign-double -ffast-math -fstrict-aliasing \ -# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer -### for gcc 2.7.2.3 on 486 and up: -#CFLAGS=-DPNG_THREAD_UNSAFE_OK -I$(ZLIBINC) -W -Wall -O \ -# -m486 -malign-double -ffast-math \ -# $(ALIGN) -funroll-loops -funroll-all-loops -fomit-frame-pointer - -LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng%N% -lz -lm -LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm - - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng%N%!-lpng%N%\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo cppflags=\"-DPNG_THREAD_UNSAFE_OK \"; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ - echo libs=\"-lpng%N% -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - $(CC) -shared -Wl,-soname,$(LIBSOMAJ) \ - -o $(LIBSOVER) \ - $(OBJSDLL) - -$(OLDSOVER): $(OBJSDLL) - $(CC) -shared -Wl,-soname,$(OLDSOMAJ) \ - -o $(OLDSOVER) \ - $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -pngtest-static: pngtest.o libpng.a - $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) - -test: pngtest pngtest-static - @echo "" - @echo " Running pngtest dynamically linked with $(LIBSO):" - @echo "" - ./pngtest - @echo "" - @echo " Running pngtest statically linked with libpng.a:" - @echo "" - ./pngtest-static - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ); \ - $(LN_SF) $(LIBSOMAJ) $(LIBSO)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtestd pngtest.png - -test-installed: - $(CC) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \ - $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -png.o png.pic.o: %HEADERS% png.c -pngerror.o pngerror.pic.o: %HEADERS% pngerror.c -pngrio.o pngrio.pic.o: %HEADERS% pngrio.c -pngwio.o pngwio.pic.o: %HEADERS% pngwio.c -pngmem.o pngmem.pic.o: %HEADERS% pngmem.c -pngset.o pngset.pic.o: %HEADERS% pngset.c -pngget.o pngget.pic.o: %HEADERS% pngget.c -pngread.o pngread.pic.o: %HEADERS% pngread.c -pngrtran.o pngrtran.pic.o: %HEADERS% pngrtran.c -pngrutil.o pngrutil.pic.o: %HEADERS% pngrutil.c -pngtrans.o pngtrans.pic.o: %HEADERS% pngtrans.c -pngwrite.o pngwrite.pic.o: %HEADERS% pngwrite.c -pngwtran.o pngwtran.pic.o: %HEADERS% pngwtran.c -pngwutil.o pngwutil.pic.o: %HEADERS% pngwutil.c -pngpread.o pngpread.pic.o: %HEADERS% pngpread.c - -pngtest.o: png.h pngconf.h pngtest.c diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.hpux libpng-1.4.0beta98/scripts/makefile.hpux --- libpng-1.2.41beta18/scripts/makefile.hpux 2009-11-11 15:01:34.763492418 -0600 +++ libpng-1.4.0beta98/scripts/makefile.hpux 2009-11-13 05:18:12.485544750 -0600 @@ -47,9 +47,9 @@ LIBPATH=$(exec_prefix)/lib MANPATH=$(prefix)/man BINPATH=$(exec_prefix)/bin -CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0 -DPNG_NO_MMX_CODE +CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0 # Caution: be sure you have built zlib with the same CFLAGS. CCFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -O -Ae +DA1.1 +DS2.0 LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.linux libpng-1.4.0beta98/scripts/makefile.linux --- libpng-1.2.41beta18/scripts/makefile.linux 2009-11-11 15:01:34.802657309 -0600 +++ libpng-1.4.0beta98/scripts/makefile.linux 2009-11-13 05:18:12.525704989 -0600 @@ -50,9 +50,9 @@ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion # for pgcc version 2.95.1, -O3 is buggy; don't use it. -CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \ +CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O3 -funroll-loops \ $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng%N% -lz -lm LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.mingw libpng-1.4.0beta98/scripts/makefile.mingw --- libpng-1.2.41beta18/scripts/makefile.mingw 2009-11-11 15:01:34.813571189 -0600 +++ libpng-1.4.0beta98/scripts/makefile.mingw 2009-11-13 05:18:12.536843312 -0600 @@ -60,19 +60,10 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ -Wmissing-declarations -Wtraditional -Wcast-align \ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion -### if you don't need thread safety, but want the asm accel -#CFLAGS= -DPNG_CONFIGURE_LIBPNG $(strip $(MINGW_CCFLAGS) -DPNG_THREAD_UNSAFE_OK \ -# $(addprefix -I,$(ZLIBINC)) -W -Wall -O $(ALIGN) -funroll-loops \ -# -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5 -### if you need thread safety and want (minimal) asm accel -#CFLAGS= -DPNG_CONFIGURE_LIBPNG $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ -# -W -Wall -O $(ALIGN) -funroll-loops \ -# -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5 -### Normal (non-asm) compilation CFLAGS= -DPNG_CONFIGURE_LIBPNG $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ - -W -Wall -O3 $(ALIGN) -funroll-loops -DPNG_NO_MMX_CODE \ + -W -Wall -O3 $(ALIGN) -funroll-loops \ -fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5 LIBNAME = libpng%N% PNGMAJ = %SONUM% @@ -159,9 +150,9 @@ $(STATLIB): $(OBJS) $(AR) rc $@ $(OBJS) $(RANLIB) $@ -$(SHAREDDEF): scripts/pngw32.def +$(SHAREDDEF): scripts/pngwin.def cat $< | sed -e '1{G;s/^\(.*\)\(\n\)/EXPORTS/;};2,/^EXPORTS/d' | \ sed -e 's/\([^;]*\);/;/' > $@ $(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF) diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.ne12bsd libpng-1.4.0beta98/scripts/makefile.ne12bsd --- libpng-1.2.41beta18/scripts/makefile.ne12bsd 2009-11-11 15:01:34.841745384 -0600 +++ libpng-1.4.0beta98/scripts/makefile.ne12bsd 2009-11-13 05:18:12.565039259 -0600 @@ -28,12 +28,9 @@ # We should be able to do something like this instead of the manual # uncommenting, but it core dumps for me at the moment: # .if ${MACHINE_ARCH} == "i386" -# CPPFLAGS+=-DPNG_CONFIGURE_LIBPNG -DPNG_THREAD_UNSAFE_OK # MKLINT= no -# .else - CPPFLAGS+=-DPNG_CONFIGURE_LIBPNG -DPNG_NO_MMX_CODE # .endif CLEANFILES+=pngtest.o pngtest diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.netbsd libpng-1.4.0beta98/scripts/makefile.netbsd --- libpng-1.2.41beta18/scripts/makefile.netbsd 2009-11-11 15:01:34.850864078 -0600 +++ libpng-1.4.0beta98/scripts/makefile.netbsd 2009-11-13 05:18:12.574279040 -0600 @@ -28,12 +28,9 @@ # We should be able to do something like this instead of the manual # uncommenting, but it core dumps for me at the moment: # .if ${MACHINE_ARCH} == "i386" -# CPPFLAGS+=-DPNG_CONFIGURE_LIBPNG -DPNG_THREAD_UNSAFE_OK # MKLINT= no -# .else - CPPFLAGS+=-DPNG_CONFIGURE_LIBPNG -DPNG_NO_MMX_CODE # .endif CLEANFILES+=pngtest.o pngtest diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.nommx libpng-1.4.0beta98/scripts/makefile.nommx --- libpng-1.2.41beta18/scripts/makefile.nommx 2009-11-11 15:01:34.861501015 -0600 +++ libpng-1.4.0beta98/scripts/makefile.nommx 2009-11-13 05:18:12.584927964 -0600 @@ -50,9 +50,9 @@ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion # for pgcc version 2.95.1, -O3 is buggy; don't use it. -CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O3 -funroll-loops -DPNG_NO_MMX_CODE \ +CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O3 -funroll-loops \ $(ALIGN) # $(WARNMORE) -g -DPNG_DEBUG=5 LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng%N% -lz -lm LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm @@ -100,14 +100,13 @@ -e s!@libdir@!$(LIBPATH)! \ -e s!@includedir@!$(INCPATH)! \ -e s!@includedir@!$(INCPATH)! \ -e s!-lpng%N%!-lpng%N%\ -lz\ -lm! \ - -e s!Cflags: !Cflags:\ -DPNG_NO_MMX_CODE!> libpng.pc libpng-config: ( cat scripts/libpng-config-head.in; \ echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME) -DPNG_NO_MMX_CODE\"; \ + echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ echo L_opts=\"-L$(LIBPATH)\"; \ echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \ echo libs=\"-lpng%N% -lz -lm\"; \ cat scripts/libpng-config-body.in ) > libpng-config diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.openbsd libpng-1.4.0beta98/scripts/makefile.openbsd --- libpng-1.2.41beta18/scripts/makefile.openbsd 2009-11-11 15:01:34.870912301 -0600 +++ libpng-1.4.0beta98/scripts/makefile.openbsd 2009-11-13 05:18:12.594334019 -0600 @@ -20,9 +20,9 @@ HDRS= png.h pngconf.h CFLAGS+= -DPNG_CONFIGURE_LIBPNG -W -Wall -CPPFLAGS+= -I${.CURDIR} -DPNG_NO_MMX_CODE +CPPFLAGS+= -I${.CURDIR} NOPROFILE= Yes CLEANFILES+= pngtest.o pngtest diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.sco libpng-1.4.0beta98/scripts/makefile.sco --- libpng-1.2.41beta18/scripts/makefile.sco 2009-11-11 15:01:34.890656302 -0600 +++ libpng-1.4.0beta98/scripts/makefile.sco 2009-11-13 05:18:12.614212925 -0600 @@ -40,9 +40,9 @@ #ZLIBINC=/usr/local/include ZLIBLIB=../zlib ZLIBINC=../zlib -CFLAGS= -DPNG_CONFIGURE_LIBPNG -dy -belf -I$(ZLIBINC) -O3 -DPNG_NO_MMX_CODE +CFLAGS= -DPNG_CONFIGURE_LIBPNG -dy -belf -I$(ZLIBINC) -O3 LDFLAGS=-L. -L$(ZLIBLIB) -lpng%N% -lz -lm INCPATH=$(prefix)/include/libpng LIBPATH=$(exec_prefix)/lib diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.sggcc libpng-1.4.0beta98/scripts/makefile.sggcc --- libpng-1.2.41beta18/scripts/makefile.sggcc 2009-11-11 15:01:34.901298566 -0600 +++ libpng-1.4.0beta98/scripts/makefile.sggcc 2009-11-13 05:18:12.624848161 -0600 @@ -46,9 +46,9 @@ # See "man abi". zlib must be built with the same ABI. ABI= WARNMORE= # -g -DPNG_DEBUG=5 -CFLAGS=-DPNG_CONFIGURE_LIBPNG $(ABI) -I$(ZLIBINC) -O $(WARNMORE) -fPIC -mabi=n32 -DPNG_NO_MMX_CODE +CFLAGS=-DPNG_CONFIGURE_LIBPNG $(ABI) -I$(ZLIBINC) -O $(WARNMORE) -fPIC -mabi=n32 LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm LDSHARED=cc $(ABI) -shared -soname $(LIBSOMAJ) \ -set_version sgi$(PNGMAJ).0 LDLEGACY=cc $(ABI) -shared -soname $(OLDSOMAJ) \ @@ -99,9 +99,9 @@ ( cat scripts/libpng-config-head.in; \ echo prefix=\"$(prefix)\"; \ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ echo ccopts=\"$(ABI)\"; \ - echo cppflags=\"-DPNG_NO_MMX_CODE\"; \ + echo cppflags=\"\"; \ echo ldopts=\"$(ABI)\"; \ echo L_opts=\"-L$(LIBPATH)\"; \ echo libdir=\"$(LIBPATH)\"; \ echo libs=\"-lpng%N% -lz -lm\"; \ diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.sgi libpng-1.4.0beta98/scripts/makefile.sgi --- libpng-1.2.41beta18/scripts/makefile.sgi 2009-11-11 15:01:34.911936980 -0600 +++ libpng-1.4.0beta98/scripts/makefile.sgi 2009-11-13 05:18:12.635609459 -0600 @@ -47,10 +47,10 @@ ABI= WARNMORE=-fullwarn # Note: -KPIC is the default anyhow -#CFLAGS= -DPNG_CONFIGURE_LIBPNG $(ABI) -I$(ZLIBINC) -O $(WARNMORE) -KPIC -DPNG_NO_MMX_CODE # -g -DPNG_DEBUG=5 -CFLAGS=-DPNG_CONFIGURE_LIBPNG $(ABI) -I$(ZLIBINC) -O $(WARNMORE) -DPNG_NO_MMX_CODE +#CFLAGS= -DPNG_CONFIGURE_LIBPNG $(ABI) -I$(ZLIBINC) -O $(WARNMORE) -KPIC # -g -DPNG_DEBUG=5 +CFLAGS=-DPNG_CONFIGURE_LIBPNG $(ABI) -I$(ZLIBINC) -O $(WARNMORE) LDFLAGS_A=$(ABI) -L. -L$(ZLIBLIB) -lpng%N% -lz -lm LDFLAGS=$(ABI) -L. -L$(ZLIBLIB) -lpng -lz -lm LDSHARED=cc $(ABI) -shared -soname $(LIBSOMAJ) \ -set_version sgi$(PNGMAJ).0 @@ -101,9 +101,8 @@ libpng-config: ( cat scripts/libpng-config-head.in; \ echo prefix=\"$(prefix)\"; \ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo cppflags=\"-DPNG_NO_MMX_CODE\"; \ echo ccopts=\"$(ABI)\"; \ echo ldopts=\"$(ABI)\"; \ echo L_opts=\"-L$(LIBPATH)\"; \ echo libdir=\"$(LIBPATH)\"; \ diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.solaris libpng-1.4.0beta98/scripts/makefile.solaris --- libpng-1.2.41beta18/scripts/makefile.solaris 2009-11-11 15:01:34.933549282 -0600 +++ libpng-1.4.0beta98/scripts/makefile.solaris 2009-11-13 05:18:12.656609333 -0600 @@ -45,9 +45,9 @@ WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ -Wmissing-declarations -Wtraditional -Wcast-align \ -Wstrict-prototypes -Wmissing-prototypes #-Wconversion -CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O -DPNG_NO_MMX_CODE; \ +CFLAGS=-DPNG_CONFIGURE_LIBPNG -I$(ZLIBINC) -W -Wall -O \ # $(WARNMORE) -g -DPNG_DEBUG=5 LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng%N% -lz -lm INCPATH=$(prefix)/include @@ -97,9 +97,9 @@ libpng-config: ( cat scripts/libpng-config-head.in; \ echo prefix=\"$(prefix)\"; \ echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo cppflags=\"-DPNG_NO_MMX_CODE\"; \ + echo cppflags=\"\"; \ echo L_opts=\"-L$(LIBPATH)\"; \ echo R_opts=\"-R$(LIBPATH)\"; \ echo libs=\"-lpng%N% -lz -lm\"; \ cat scripts/libpng-config-body.in ) > libpng-config diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.solaris-x86 libpng-1.4.0beta98/scripts/makefile.solaris-x86 --- libpng-1.2.41beta18/scripts/makefile.solaris-x86 2009-11-11 15:01:34.944069441 -0600 +++ libpng-1.4.0beta98/scripts/makefile.solaris-x86 1969-12-31 18:00:00.000000000 -0600 @@ -1,251 +0,0 @@ -# makefile for libpng on Solaris 2.x with gcc -# Copyright (C) 2004, 2006-2008 Glenn Randers-Pehrson -# Contributed by William L. Sebok, based on makefile.linux -# Copyright (C) 1998 Greg Roelofs -# Copyright (C) 1996, 1997 Andreas Dilger - -# This code is released under the libpng license. -# For conditions of distribution and use, see the disclaimer -# and license in png.h - -# Library name: -LIBNAME = libpng%N% -PNGMAJ = %SONUM% -PNGMIN = 1.4.0beta98 -PNGVER = $(PNGMAJ).$(PNGMIN) - -# Shared library names: -LIBSO=$(LIBNAME).so -LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) -LIBSOVER=$(LIBNAME).so.$(PNGVER) -OLDSO=libpng.so -OLDSOMAJ=libpng.so.%OLDNUM% -OLDSOVER=libpng.so.%OLDNUM%.$(PNGMIN) - -# Utilities: -AR_RC=ar rc -CC=gcc -MKDIR_P=mkdir -p -LN_SF=ln -f -s -RANLIB=echo -RM_F=/bin/rm -f - -# Where make install puts libpng.a, libpng%N%.so*, and png.h -prefix=/usr/local -exec_prefix=$(prefix) - -# Where the zlib library and include files are located -# Changing these to ../zlib poses a security risk. If you want -# to have zlib in an adjacent directory, specify the full path instead of "..". -#ZLIBLIB=../zlib -#ZLIBINC=../zlib - -ZLIBLIB=/usr/local/lib -ZLIBINC=/usr/local/include - -WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \ - -Wmissing-declarations -Wtraditional -Wcast-align \ - -Wstrict-prototypes -Wmissing-prototypes #-Wconversion -CFLAGS=-I$(ZLIBINC) -W -Wall -O \ - # $(WARNMORE) -g -DPNG_DEBUG=5 -LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng%N% -lz -lm - -INCPATH=$(prefix)/include -LIBPATH=$(exec_prefix)/lib -MANPATH=$(prefix)/man -BINPATH=$(exec_prefix)/bin - -# override DESTDIR= on the make install command line to easily support -# installing into a temporary location. Example: -# -# make install DESTDIR=/tmp/build/libpng -# -# If you're going to install into a temporary location -# via DESTDIR, $(DESTDIR)$(prefix) must already exist before -# you execute make install. -DESTDIR= - -DB=$(DESTDIR)$(BINPATH) -DI=$(DESTDIR)$(INCPATH) -DL=$(DESTDIR)$(LIBPATH) -DM=$(DESTDIR)$(MANPATH) - -OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \ - pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \ - pngwtran.o pngmem.o pngerror.o pngpread.o - -OBJSDLL = $(OBJS:.o=.pic.o) - -.SUFFIXES: .c .o .pic.o - -.c.pic.o: - $(CC) -c $(CFLAGS) -fPIC -o $@ $*.c - -all: libpng.a $(LIBSO) pngtest libpng.pc libpng-config - -libpng.a: $(OBJS) - $(AR_RC) $@ $(OBJS) - $(RANLIB) $@ - -libpng.pc: - cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \ - -e s!@exec_prefix@!$(exec_prefix)! \ - -e s!@libdir@!$(LIBPATH)! \ - -e s!@includedir@!$(INCPATH)! \ - -e s!-lpng%N%!-lpng%N%\ -lz\ -lm! > libpng.pc - -libpng-config: - ( cat scripts/libpng-config-head.in; \ - echo prefix=\"$(prefix)\"; \ - echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \ - echo cppflags=\""; \ - echo L_opts=\"-L$(LIBPATH)\"; \ - echo R_opts=\"-R$(LIBPATH)\"; \ - echo libs=\"-lpng%N% -lz -lm\"; \ - cat scripts/libpng-config-body.in ) > libpng-config - chmod +x libpng-config - -$(LIBSO): $(LIBSOMAJ) - $(LN_SF) $(LIBSOMAJ) $(LIBSO) - -$(LIBSOMAJ): $(LIBSOVER) - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ) - -$(LIBSOVER): $(OBJSDLL) - @case "`type ld`" in *ucb*) \ - echo; \ - echo '## WARNING:'; \ - echo '## The commands "CC" and "LD" must NOT refer to /usr/ucb/cc'; \ - echo '## and /usr/ucb/ld. If they do, you need to adjust your PATH'; \ - echo '## environment variable to put /usr/ccs/bin ahead of /usr/ucb.'; \ - echo '## The environment variable LD_LIBRARY_PATH should not be set'; \ - echo '## at all. If it is, things are likely to break because of'; \ - echo '## the libucb dependency that is created.'; \ - echo; \ - ;; \ - esac - $(LD) -G -h $(LIBSOMAJ) \ - -o $(LIBSOVER) $(OBJSDLL) - -$(OLDSOVER): $(OBJS) - $(LD) -G -h $(OLDSOMAJ) \ - -o $(OLDSOVER) $(OBJSDLL) - -pngtest: pngtest.o $(LIBSO) - $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) - -test: pngtest - ./pngtest - -install-headers: png.h pngconf.h - -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi - -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi - cp png.h pngconf.h $(DI)/$(LIBNAME) - chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h - -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h - -@$(RM_F) $(DI)/libpng - (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .) - -install-static: install-headers libpng.a - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - cp libpng.a $(DL)/$(LIBNAME).a - chmod 644 $(DL)/$(LIBNAME).a - -@$(RM_F) $(DL)/libpng.a - (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a) - -install-shared: install-headers $(LIBSOVER) libpng.pc \ - $(OLDSOVER) - -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi - -@$(RM_F) $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO) - -@$(RM_F) $(DL)/$(LIBSOMAJ) - -@$(RM_F) $(DL)/$(OLDSO) - -@$(RM_F) $(DL)/$(OLDSOMAJ) - -@$(RM_F) $(DL)/$(OLDSOVER)* - cp $(LIBSOVER) $(DL) - cp $(OLDSOVER) $(DL) - chmod 755 $(DL)/$(LIBSOVER) - chmod 755 $(DL)/$(OLDSOVER) - (cd $(DL); \ - $(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \ - $(LN_SF) $(OLDSOMAJ) $(OLDSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSO); \ - $(LN_SF) $(LIBSOVER) $(LIBSOMAJ)) - -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi - -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc - -@$(RM_F) $(DL)/pkgconfig/libpng.pc - cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc - chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc - (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc) - -install-man: libpng.3 libpngpf.3 png.5 - -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi - -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi - -@$(RM_F) $(DM)/man3/libpng.3 - -@$(RM_F) $(DM)/man3/libpngpf.3 - cp libpng.3 $(DM)/man3 - cp libpngpf.3 $(DM)/man3 - -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi - -@$(RM_F) $(DM)/man5/png.5 - cp png.5 $(DM)/man5 - -install-config: libpng-config - -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi - -@$(RM_F) $(DB)/libpng-config - -@$(RM_F) $(DB)/$(LIBNAME)-config - cp libpng-config $(DB)/$(LIBNAME)-config - chmod 755 $(DB)/$(LIBNAME)-config - (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config) - -install: install-static install-shared install-man install-config - -# If you installed in $(DESTDIR), test-installed won't work until you -# move the library to its final location. Use test-dd to test it -# before then. - -test-dd: - echo - echo Testing installed dynamic shared library in $(DL). - $(CC) -I$(DI) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags` \ - -L$(DL) -L$(ZLIBLIB) -R$(ZLIBLIB) -R$(DL) - ./pngtestd pngtest.png - -test-installed: - echo - echo Testing installed dynamic shared library. - $(CC) -I$(ZLIBINC) \ - `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \ - -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags` \ - -L$(ZLIBLIB) -R$(ZLIBLIB) - ./pngtesti pngtest.png - -clean: - $(RM_F) *.o libpng.a pngtest pngtesti pngout.png \ - libpng-config $(LIBSO) $(LIBSOMAJ)* \ - $(OLDSOVER) \ - libpng.pc - -DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO -writelock: - chmod a-w *.[ch35] $(DOCS) scripts/* - -# DO NOT DELETE THIS LINE -- make depend depends on it. - -png.o png.pic.o: %HEADERS% -pngerror.o pngerror.pic.o: %HEADERS% -pngrio.o pngrio.pic.o: %HEADERS% -pngwio.o pngwio.pic.o: %HEADERS% -pngmem.o pngmem.pic.o: %HEADERS% -pngset.o pngset.pic.o: %HEADERS% -pngget.o pngget.pic.o: %HEADERS% -pngread.o pngread.pic.o: %HEADERS% -pngrtran.o pngrtran.pic.o: %HEADERS% -pngrutil.o pngrutil.pic.o: %HEADERS% -pngtrans.o pngtrans.pic.o: %HEADERS% -pngwrite.o pngwrite.pic.o: %HEADERS% -pngwtran.o pngwtran.pic.o: %HEADERS% -pngwutil.o pngwutil.pic.o: %HEADERS% -pngpread.o pngpread.pic.o: %HEADERS% - -pngtest.o: png.h pngconf.h diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.vcawin32 libpng-1.4.0beta98/scripts/makefile.vcawin32 --- libpng-1.2.41beta18/scripts/makefile.vcawin32 2009-11-11 15:01:34.981993678 -0600 +++ libpng-1.4.0beta98/scripts/makefile.vcawin32 2009-11-13 05:18:12.695554925 -0600 @@ -9,15 +9,14 @@ # Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib # To use, do "nmake /f scripts\makefile.vcawin32" # -------- Microsoft Visual C++ 2.0 and later, no assembler code -------- -# If you don't want to use assembler (MMX) code, use makefile.vcwin32 instead. # Compiler, linker, librarian, and other tools CC = cl LD = link AR = lib -CFLAGS = -DPNG_CONFIGURE_LIBPNG -nologo -DPNG_USE_PNGVCRD -MD -O2 -W3 -I..\zlib +CFLAGS = -DPNG_CONFIGURE_LIBPNG -nologo -MD -O2 -W3 -I..\zlib LDFLAGS = -nologo ARFLAGS = -nologo RM = del diff -ru4NwbB libpng-1.2.41beta18/scripts/makefile.vcwin32 libpng-1.4.0beta98/scripts/makefile.vcwin32 --- libpng-1.2.41beta18/scripts/makefile.vcwin32 2009-11-11 15:01:34.991612707 -0600 +++ libpng-1.4.0beta98/scripts/makefile.vcwin32 2009-11-13 05:18:12.705293851 -0600 @@ -9,15 +9,14 @@ # Assumes that zlib.lib, zconf.h, and zlib.h have been copied to ..\zlib # To use, do "nmake /f scripts\makefile.vcwin32" # -------- Microsoft Visual C++ 2.0 and later, no assembler code -------- -# If you want to use assembler (MMX) code, use makefile.vcawin32 instead. # Compiler, linker, librarian, and other tools CC = cl LD = link AR = lib -CFLAGS = -DPNG_CONFIGURE_LIBPNG -nologo -DPNG_NO_MMX_CODE -MD -O2 -W3 -I..\zlib +CFLAGS = -DPNG_CONFIGURE_LIBPNG -nologo -MD -O2 -W3 -I..\zlib LDFLAGS = -nologo ARFLAGS = -nologo RM = del diff -ru4NwbB libpng-1.2.41beta18/scripts/png32ce.def libpng-1.4.0beta98/scripts/png32ce.def --- libpng-1.2.41beta18/scripts/png32ce.def 2009-11-11 15:01:35.022375317 -0600 +++ libpng-1.4.0beta98/scripts/png32ce.def 2009-11-13 05:18:12.735398965 -0600 @@ -3,12 +3,22 @@ ;------------------------------------------ LIBRARY lpngce + png_memcpy_check + png_memset_check + png_set_dither + png_read_init_3 + png_write_init_3 + png_set_strip_error_numbers + png_get_uint_32 + png_get_uint_16 + png_get_int_32 + EXPORTS ;Version 1.4.0beta98 png_build_grayscale_palette @1 - png_check_sig @2 +; png_check_sig @2 png_chunk_error @3 png_chunk_warning @4 ; png_convert_from_struct_tm @5 ; png_convert_from_time_t @6 @@ -73,10 +83,10 @@ png_get_y_offset_microns @65 png_get_y_offset_pixels @66 png_get_y_pixels_per_meter @67 png_malloc @68 - png_memcpy_check @69 - png_memset_check @70 +; png_memcpy_check @69 +; png_memset_check @70 png_permit_empty_plte @71 png_process_data @72 png_progressive_combine_row @73 png_read_end @74 @@ -102,9 +112,9 @@ png_set_compression_method @93 png_set_compression_strategy @94 png_set_compression_window_bits @95 png_set_crc_action @96 - png_set_dither @97 +; png_set_dither @97 png_set_error_fn @98 png_set_expand @99 png_set_filler @100 png_set_filter @101 @@ -184,10 +194,10 @@ png_set_invalid @173 ; Added at version 1.0.12 ; For compatiblity with 1.0.7-1.0.11 png_info_init @174 - png_read_init_3 @175 - png_write_init_3 @176 +; png_read_init_3 @175 +; png_write_init_3 @176 png_info_init_3 @177 png_destroy_struct @178 ; Added at version 1.2.0 ; For use with PNG_USER_MEM_SUPPORTED @@ -223,13 +233,13 @@ png_set_user_limits @198 ; Added at version 1.2.7 png_set_add_alpha @199 ; Added at version 1.2.9 - png_get_uint_32 @200 +; png_get_uint_32 @200 png_save_uint_32 @201 - png_get_uint_16 @202 +; png_get_uint_16 @202 png_save_uint_16 @203 - png_get_int_32 @204 +; png_get_int_32 @204 png_save_int_32 @205 png_get_uint_31 @206 png_set_expand_gray_1_2_4_to_8 @207 ; Added at version 1.2.41 @@ -242,4 +252,5 @@ png_set_premultiply_alpha @214 png_get_chunk_cache_max @215 png_set_chunk_cache_max @216 png_check_cHRM_fixed @217 + png_calloc @218 diff -ru4NwbB libpng-1.2.41beta18/scripts/pngos2.def libpng-1.4.0beta98/scripts/pngos2.def --- libpng-1.2.41beta18/scripts/pngos2.def 2009-11-11 15:01:35.032891894 -0600 +++ libpng-1.4.0beta98/scripts/pngos2.def 2009-11-13 05:18:12.745648591 -0600 @@ -10,11 +10,9 @@ DATA PRELOAD MOVEABLE MULTIPLE EXPORTS - png_build_grayscale_palette - png_check_sig png_chunk_error png_chunk_warning png_convert_from_struct_tm png_convert_from_time_t @@ -79,17 +77,13 @@ png_get_y_offset_microns png_get_y_offset_pixels png_get_y_pixels_per_meter png_malloc - png_memcpy_check - png_memset_check - png_permit_empty_plte png_process_data png_progressive_combine_row png_read_end png_read_image png_read_info -; png_read_init ; deprecated png_read_png png_read_row png_read_rows png_read_update_info @@ -107,9 +101,8 @@ png_set_compression_method png_set_compression_strategy png_set_compression_window_bits png_set_crc_action - png_set_dither png_set_error_fn png_set_expand png_set_filler png_set_filter @@ -117,9 +110,8 @@ png_set_flush png_set_gAMA png_set_gAMA_fixed png_set_gamma -; png_set_gray_1_2_4_to_8 ; deprecated as of libpng-1.2.9 png_set_gray_to_rgb png_set_hIST png_set_iCCP png_set_interlace_handling @@ -172,30 +164,20 @@ png_write_flush png_write_image png_write_info png_write_info_before_PLTE -; png_write_init ; deprecated png_write_png png_write_row png_write_rows - png_read_init_2 - png_write_init_2 + png_write_sig png_access_version_number png_init_io png_convert_to_rfc1123 png_set_invalid ; Added at version 1.2.0: - png_mmx_support png_permit_empty_plte png_permit_mng_features - png_get_mmx_flagmask - png_get_asm_flagmask - png_get_asm_flags - png_get_mmx_bitdepth_threshold - png_get_mmx_rowbytes_threshold - png_set_asm_flags - png_init_mmx_flags ; Added at version 1.2.2: png_handle_as_unknown @@ -213,30 +195,29 @@ ; Added at version 1.2.7 png_set_add_alpha ; Added at version 1.2.9 - png_get_uint_32 png_save_uint_32 - png_get_uint_16 png_save_uint_16 - png_get_int_32 png_save_int_32 png_get_uint_31 png_set_expand_gray_1_2_4_to_8 ; Added at version 1.2.41 png_write_sig - png_benign_error - png_benign_chunk_error - png_set_benign_error +; png_benign_error +; png_benign_chunk_error +; png_set_benign_error png_get_io_chunk_name png_get_io_state png_set_premultiply_alpha png_get_chunk_cache_max png_set_chunk_cache_max png_check_cHRM_fixed + png_calloc ; These are not present when libpng is compiled with PNG_NO_GLOBAL_ARRAYS + png_libpng_ver png_pass_start png_pass_inc png_pass_ystart png_pass_yinc diff -ru4NwbB libpng-1.2.41beta18/scripts/pngw32.def libpng-1.4.0beta98/scripts/pngw32.def --- libpng-1.2.41beta18/scripts/pngw32.def 2009-11-11 15:01:35.043645430 -0600 +++ libpng-1.4.0beta98/scripts/pngw32.def 1969-12-31 18:00:00.000000000 -0600 @@ -1,250 +0,0 @@ -;------------------------------------------ -; LIBPNG module definition file for Windows -;------------------------------------------ - -LIBRARY - -EXPORTS -;Version 1.4.0beta98 - png_build_grayscale_palette @1 - png_check_sig @2 - png_chunk_error @3 - png_chunk_warning @4 - png_convert_from_struct_tm @5 - png_convert_from_time_t @6 - png_create_info_struct @7 - png_create_read_struct @8 - png_create_write_struct @9 - png_data_freer @10 - png_destroy_info_struct @11 - png_destroy_read_struct @12 - png_destroy_write_struct @13 - png_error @14 - png_free @15 - png_free_data @16 - png_get_IHDR @17 - png_get_PLTE @18 - png_get_bKGD @19 - png_get_bit_depth @20 - png_get_cHRM @21 - png_get_cHRM_fixed @22 - png_get_channels @23 - png_get_color_type @24 - png_get_compression_buffer_size @25 - png_get_compression_type @26 - png_get_copyright @27 - png_get_error_ptr @28 - png_get_filter_type @29 - png_get_gAMA @30 - png_get_gAMA_fixed @31 - png_get_hIST @32 - png_get_header_ver @33 - png_get_header_version @34 - png_get_iCCP @35 - png_get_image_height @36 - png_get_image_width @37 - png_get_interlace_type @38 - png_get_io_ptr @39 - ; png_get_libpng_ver @40 - png_get_oFFs @41 - png_get_pCAL @42 - png_get_pHYs @43 - png_get_pixel_aspect_ratio @44 - png_get_pixels_per_meter @45 - png_get_progressive_ptr @46 - png_get_rgb_to_gray_status @47 - png_get_rowbytes @48 - png_get_rows @49 - png_get_sBIT @50 - png_get_sCAL @51 - png_get_sPLT @52 - png_get_sRGB @53 - png_get_signature @54 - png_get_tIME @55 - png_get_tRNS @56 - png_get_text @57 - png_get_unknown_chunks @58 - png_get_user_chunk_ptr @59 - png_get_user_transform_ptr @60 - png_get_valid @61 - png_get_x_offset_microns @62 - png_get_x_offset_pixels @63 - png_get_x_pixels_per_meter @64 - png_get_y_offset_microns @65 - png_get_y_offset_pixels @66 - png_get_y_pixels_per_meter @67 - png_malloc @68 - png_memcpy_check @69 - png_memset_check @70 -; png_permit_empty_plte is deprecated - png_permit_empty_plte @71 - png_process_data @72 - png_progressive_combine_row @73 - png_read_end @74 - png_read_image @75 - png_read_info @76 -; png_read_init is deprecated - png_read_init @77 - png_read_png @78 - png_read_row @79 - png_read_rows @80 - png_read_update_info @81 - png_reset_zstream @82 - png_set_IHDR @83 - png_set_PLTE @84 - png_set_bKGD @85 - png_set_background @86 - png_set_bgr @87 - png_set_cHRM @88 - png_set_cHRM_fixed @89 - png_set_compression_buffer_size @90 - png_set_compression_level @91 - png_set_compression_mem_level @92 - png_set_compression_method @93 - png_set_compression_strategy @94 - png_set_compression_window_bits @95 - png_set_crc_action @96 - png_set_dither @97 - png_set_error_fn @98 - png_set_expand @99 - png_set_filler @100 - png_set_filter @101 - png_set_filter_heuristics @102 - png_set_flush @103 - png_set_gAMA @104 - png_set_gAMA_fixed @105 - png_set_gamma @106 -; png_set_gray_1_2_4_to_8 is deprecated - png_set_gray_1_2_4_to_8 @107 - png_set_gray_to_rgb @108 - png_set_hIST @109 - png_set_iCCP @110 - png_set_interlace_handling @111 - png_set_invert_alpha @112 - png_set_invert_mono @113 - png_set_keep_unknown_chunks @114 - png_set_oFFs @115 - png_set_pCAL @116 - png_set_pHYs @117 - png_set_packing @118 - png_set_packswap @119 - png_set_palette_to_rgb @120 - png_set_progressive_read_fn @121 - png_set_read_fn @122 - png_set_read_status_fn @123 - png_set_read_user_chunk_fn @124 - png_set_read_user_transform_fn @125 - png_set_rgb_to_gray @126 - png_set_rgb_to_gray_fixed @127 - png_set_rows @128 - png_set_sBIT @129 - png_set_sCAL @130 - png_set_sPLT @131 - png_set_sRGB @132 - png_set_sRGB_gAMA_and_cHRM @133 - png_set_shift @134 - png_set_sig_bytes @135 - png_set_strip_16 @136 - png_set_strip_alpha @137 - png_set_swap @138 - png_set_swap_alpha @139 - png_set_tIME @140 - png_set_tRNS @141 - png_set_tRNS_to_alpha @142 - png_set_text @143 - png_set_unknown_chunk_location @144 - png_set_unknown_chunks @145 - png_set_user_transform_info @146 - png_set_write_fn @147 - png_set_write_status_fn @148 - png_set_write_user_transform_fn @149 - png_sig_cmp @150 - png_start_read_image @151 - png_warning @152 - png_write_chunk @153 - png_write_chunk_data @154 - png_write_chunk_end @155 - png_write_chunk_start @156 - png_write_end @157 - png_write_flush @158 - png_write_image @159 - png_write_info @160 - png_write_info_before_PLTE @161 -; png_write_init is deprecated - png_write_init @162 - png_write_png @163 - png_write_row @164 - png_write_rows @165 -; png_read_init_2 and png_write_init_2 are deprecated. - png_read_init_2 @166 - png_write_init_2 @167 - png_access_version_number @168 -; png_sig_bytes @169 -; Removed from version 1.2.20 -; png_libpng_ver @170 -; - png_init_io @171 - png_convert_to_rfc1123 @172 - png_set_invalid @173 -; Added at version 1.0.12 -; For compatibility with 1.0.7-1.0.11 -; png_info_init @174 -; png_read_init_3, png_info_init_3, and png_write_init_3 are deprecated. - png_read_init_3 @175 - png_write_init_3 @176 - png_info_init_3 @177 - png_destroy_struct @178 -; Added at version 1.2.0 -; For use with PNG_USER_MEM_SUPPORTED - png_destroy_struct_2 @179 - png_create_read_struct_2 @180 - png_create_write_struct_2 @181 - png_malloc_default @182 - png_free_default @183 -; MNG features - png_permit_mng_features @184 -; MMX support - png_mmx_support @185 -; png_get_mmx_flagmask @186 - png_get_asm_flagmask @187 - png_get_asm_flags @188 -; png_get_mmx_bitdepth_threshold @189 -; png_get_mmx_rowbytes_threshold @190 - png_set_asm_flags @191 -; png_init_mmx_flags @192 -; Strip error numbers - png_set_strip_error_numbers @193 -; Added at version 1.2.2 - png_handle_as_unknown @194 -; Added at version 1.2.2 and deleted from 1.2.3 -; png_zalloc @195 -; png_zfree @196 -; Added at version 1.2.4 - png_malloc_warn @195 -; Added at version 1.2.6 - png_malloc_warn @195 - png_get_user_height_max @196 - png_get_user_width_max @197 - png_set_user_limits @198 -; Added at version 1.2.7 - png_set_add_alpha @199 -; Added at version 1.2.9 - png_get_uint_32 @200 - png_save_uint_32 @201 - png_get_uint_16 @202 - png_save_uint_16 @203 - png_get_int_32 @204 - png_save_int_32 @205 - png_get_uint_31 @206 - png_set_expand_gray_1_2_4_to_8 @207 -; Added at version 1.2.41 - png_write_sig @208 - png_benign_error @209 - png_benign_chunk_error @210 - png_set_benign_error @211 - png_get_io_chunk_name @212 - png_get_io_state @213 - png_set_premultiply_alpha @214 - png_get_chunk_cache_max @215 - png_set_chunk_cache_max @216 - png_check_cHRM_fixed @217 diff -ru4NwbB libpng-1.2.41beta18/scripts/pngw32.rc libpng-1.4.0beta98/scripts/pngw32.rc --- libpng-1.2.41beta18/scripts/pngw32.rc 2004-11-29 14:57:51.000000000 -0600 +++ libpng-1.4.0beta98/scripts/pngw32.rc 1969-12-31 18:00:00.000000000 -0600 @@ -1,112 +0,0 @@ -#define PNG_VERSION_INFO_ONLY - -#include -#include "../png.h" - -#define _QUOTE(x) # x -#define QUOTE(x) _QUOTE(x) - -#define PNG_LIBPNG_DLLFNAME "LIBPNG" - -/* Support deprecated PRIVATEBUILD macro */ -#if defined(PRIVATEBUILD) && !defined(PNG_USER_PRIVATEBUILD) -# define PNG_USER_PRIVATEBUILD PRIVATEBUILD -#endif - -#if defined(PNG_USER_DLLFNAME_POSTFIX) && !defined(PNG_USER_PRIVATEBUILD) -# error "PNG_USER_PRIVATEBUILD must be defined as a string describing the\ - custom changes made to the library." -#endif - -/* Prioritize PNG_USER_x over PNG_LIBPNG_x */ -#ifdef PNG_USER_DLLFNAME_POSTFIX -# undef PNG_LIBPNG_DLLFNAME_POSTFIX -# define PNG_LIBPNG_DLLFNAME_POSTFIX PNG_USER_DLLFNAME_POSTFIX -#endif - -#ifdef PNG_USER_VERSIONINFO_COMMENTS -# undef PNG_LIBPNG_VERSIONINFO_COMMENTS -# define PNG_LIBPNG_VERSIONINFO_COMMENTS PNG_USER_VERSIONINFO_COMMENTS -#endif - -#if defined(PNG_DEBUG) && (PNG_DEBUG > 0) -# define VS_DEBUG VS_FF_DEBUG -# ifndef PNG_LIBPNG_DLLFNAME_POSTFIX -# define PNG_LIBPNG_DLLFNAME_POSTFIX "D" -# endif /* PNG_LIBPNG_DLLFNAME_POSTFIX */ -# ifndef PNG_LIBPNG_VERSIONINFO_COMMENTS -# define PNG_LIBPNG_VERSIONINFO_COMMENTS "PNG_DEBUG=" QUOTE(PNG_DEBUG) -# endif /* PNG_LIBPNG_VERSIONINFO_COMMENTS */ -#else -# define VS_DEBUG 0 -# ifndef PNG_LIBPNG_DLLFNAME_POSTFIX -# define PNG_LIBPNG_DLLFNAME_POSTFIX -# endif /* PNG_LIBPNG_DLLFNAME_POSTFIX */ -#endif /* defined(DEBUG)... */ - -#ifdef PNG_USER_PRIVATEBUILD -# define VS_PRIVATEBUILD VS_FF_PRIVATEBUILD -#else -# define VS_PRIVATEBUILD 0 -#endif /* PNG_USER_PRIVATEBUILD */ - -#ifdef PNG_LIBPNG_SPECIALBUILD -# define VS_SPECIALBUILD VS_FF_SPECIALBUILD -#else -# define VS_SPECIALBUILD 0 -#endif /* PNG_LIBPNG_BUILD_SPECIAL */ - -#if ((PNG_LIBPNG_BUILD_BASE_TYPE & PNG_LIBPNG_RELEASE_STATUS_MASK) !=\ - PNG_LIBPNG_BUILD_STABLE) -# define VS_PRERELEASE VS_FF_PRERELEASE -# define VS_PATCHED 0 -#else -# define VS_PRERELEASE 0 -# if (PNG_LIBPNG_BUILD_BASE_TYPE & PNG_LIBPNG_BUILD_PATCHED) -# define VS_PATCHED VS_FF_PATCHED -# else -# define VS_PATCHED 0 -# endif -#endif - -VS_VERSION_INFO VERSIONINFO -FILEVERSION PNG_LIBPNG_VER_MAJOR, PNG_LIBPNG_VER_MINOR, PNG_LIBPNG_VER_RELEASE, PNG_LIBPNG_VER_BUILD -PRODUCTVERSION PNG_LIBPNG_VER_MAJOR, PNG_LIBPNG_VER_MINOR, PNG_LIBPNG_VER_RELEASE, PNG_LIBPNG_VER_BUILD -FILEFLAGSMASK VS_FFI_FILEFLAGSMASK -FILEFLAGS VS_DEBUG | VS_PRIVATEBUILD | VS_SPECIALBUILD | VS_PRERELEASE | VS_PATCHED -FILEOS VOS__WINDOWS32 -FILETYPE VFT_DLL -FILESUBTYPE VFT2_UNKNOWN -BEGIN - BLOCK "StringFileInfo" - BEGIN BLOCK "040904E4" /* Language type = U.S English(0x0409) and Character Set = Windows, Multilingual(0x04E4) */ - BEGIN -#ifdef PNG_LIBPNG_VERSIONINFO_COMMENTS - VALUE "Comments", PNG_LIBPNG_VERSIONINFO_COMMENTS "\000" -#endif /* PNG_LIBPNG_VERSIONINFO_COMMENTS */ -#ifdef PNG_USER_VERSIONINFO_COMPANYNAME - VALUE "CompanyName", PNG_USER_VERSIONINFO_COMPANYNAME "\000" -#endif /* PNG_USER_VERSIONINFO_COMPANYNAME */ - VALUE "FileDescription", "PNG image compression library\000" - VALUE "FileVersion", PNG_LIBPNG_VER_STRING "\000" - VALUE "InternalName", PNG_LIBPNG_DLLFNAME QUOTE(PNG_LIBPNG_VER_DLLNUM) PNG_LIBPNG_DLLFNAME_POSTFIX " (Windows 32 bit)\000" - VALUE "LegalCopyright", "\251 1998-2004 Glenn Randers-Pehrson et al.\000" -#ifdef PNG_USER_VERSIONINFO_LEGALTRADEMARKS - VALUE "LegalTrademarks", PNG_USER_VERSIONINFO_LEGALTRADEMARKS "\000" -#endif /* PNG_USER_VERSIONINFO_LEGALTRADEMARKS */ - VALUE "OriginalFilename", PNG_LIBPNG_DLLFNAME QUOTE(PNG_LIBPNG_VER_DLLNUM) PNG_LIBPNG_DLLFNAME_POSTFIX ".DLL\000" -#ifdef PNG_USER_PRIVATEBUILD - VALUE "PrivateBuild", PNG_USER_PRIVATEBUILD "\000" -#endif /* PNG_USER_PRIVATEBUILD */ - VALUE "ProductName", "LibPNG\000" - VALUE "ProductVersion", "1\000" -#ifdef PNG_LIBPNG_SPECIALBUILD - VALUE "SpecialBuild", PNG_LIBPNG_SPECIALBUILD "\000" -#endif /* PNG_LIBPNG_SPECIALBUILD */ - END - END - BLOCK "VarFileInfo" - BEGIN - VALUE "Translation", 0x0409, 0x04E4 - END -END diff -ru4NwbB libpng-1.2.41beta18/scripts/pngwin.def libpng-1.4.0beta98/scripts/pngwin.def --- libpng-1.2.41beta18/scripts/pngwin.def 1969-12-31 18:00:00.000000000 -0600 +++ libpng-1.4.0beta98/scripts/pngwin.def 2009-11-13 05:18:12.756140253 -0600 @@ -0,0 +1,211 @@ +;------------------------------------------ +; LIBPNG module definition file for Windows +;------------------------------------------ + +LIBRARY + +EXPORTS +;Version 1.4.0beta98 + png_build_grayscale_palette + png_chunk_error + png_chunk_warning + png_convert_from_struct_tm + png_convert_from_time_t + png_create_info_struct + png_create_read_struct + png_create_write_struct + png_data_freer + png_destroy_info_struct + png_destroy_read_struct + png_destroy_write_struct + png_error + png_free + png_free_data + png_get_IHDR + png_get_PLTE + png_get_bKGD + png_get_bit_depth + png_get_cHRM + png_get_cHRM_fixed + png_get_channels + png_get_color_type + png_get_compression_buffer_size + png_get_compression_type + png_get_copyright + png_get_error_ptr + png_get_filter_type + png_get_gAMA + png_get_gAMA_fixed + png_get_hIST + png_get_header_ver + png_get_header_version + png_get_iCCP + png_get_image_height + png_get_image_width + png_get_interlace_type + png_get_io_ptr + png_get_libpng_ver + png_get_oFFs + png_get_pCAL + png_get_pHYs + png_get_pixel_aspect_ratio + png_get_pixels_per_meter + png_get_progressive_ptr + png_get_rgb_to_gray_status + png_get_rowbytes + png_get_rows + png_get_sBIT + png_get_sCAL + png_get_sPLT + png_get_sRGB + png_get_signature + png_get_tIME + png_get_tRNS + png_get_text + png_get_unknown_chunks + png_get_user_chunk_ptr + png_get_user_transform_ptr + png_get_valid + png_get_x_offset_microns + png_get_x_offset_pixels + png_get_x_pixels_per_meter + png_get_y_offset_microns + png_get_y_offset_pixels + png_get_y_pixels_per_meter + png_malloc + png_process_data + png_progressive_combine_row + png_read_end + png_read_image + png_read_info + png_read_png + png_read_row + png_read_rows + png_read_update_info + png_reset_zstream + png_set_IHDR + png_set_PLTE + png_set_bKGD + png_set_background + png_set_bgr + png_set_cHRM + png_set_cHRM_fixed + png_set_compression_buffer_size + png_set_compression_level + png_set_compression_mem_level + png_set_compression_method + png_set_compression_strategy + png_set_compression_window_bits + png_set_crc_action + png_set_error_fn + png_set_expand + png_set_filler + png_set_filter + png_set_filter_heuristics + png_set_flush + png_set_gAMA + png_set_gAMA_fixed + png_set_gamma + png_set_gray_to_rgb + png_set_hIST + png_set_iCCP + png_set_interlace_handling + png_set_invert_alpha + png_set_invert_mono + png_set_keep_unknown_chunks + png_set_oFFs + png_set_pCAL + png_set_pHYs + png_set_packing + png_set_packswap + png_set_palette_to_rgb + png_set_progressive_read_fn + png_set_read_fn + png_set_read_status_fn + png_set_read_user_chunk_fn + png_set_read_user_transform_fn + png_set_rgb_to_gray + png_set_rgb_to_gray_fixed + png_set_rows + png_set_sBIT + png_set_sCAL + png_set_sPLT + png_set_sRGB + png_set_sRGB_gAMA_and_cHRM + png_set_shift + png_set_sig_bytes + png_set_strip_16 + png_set_strip_alpha + png_set_swap + png_set_swap_alpha + png_set_tIME + png_set_tRNS + png_set_tRNS_to_alpha + png_set_text + png_set_unknown_chunk_location + png_set_unknown_chunks + png_set_user_transform_info + png_set_write_fn + png_set_write_status_fn + png_set_write_user_transform_fn + png_sig_cmp + png_start_read_image + png_warning + png_write_chunk + png_write_chunk_data + png_write_chunk_end + png_write_chunk_start + png_write_end + png_write_flush + png_write_image + png_write_info + png_write_info_before_PLTE + png_write_png + png_write_row + png_write_rows + png_access_version_number + png_init_io + png_convert_to_rfc1123 + png_set_invalid +; Added at version 1.0.12 + png_info_init_3 + png_destroy_struct +; Added at version 1.2.0 +; For use with PNG_USER_MEM_SUPPORTED + png_destroy_struct_2 + png_create_read_struct_2 + png_create_write_struct_2 + png_malloc_default + png_free_default +; MNG features + png_permit_mng_features +; Added at version 1.2.2 + png_handle_as_unknown +; Added at version 1.2.2 and deleted from 1.2.3 +; png_zalloc +; png_zfree +; Added at version 1.2.4 + png_malloc_warn + png_get_user_height_max + png_get_user_width_max + png_set_user_limits +; Added at version 1.2.7 + png_set_add_alpha +; Added at version 1.2.9 + png_save_uint_32 + png_save_uint_16 + png_save_int_32 + png_get_uint_31 + png_set_expand_gray_1_2_4_to_8 +; Added at version 1.2.41 + png_write_sig +; png_benign_error +; png_benign_chunk_error +; png_set_benign_error + png_get_io_chunk_name + png_get_io_state + png_set_premultiply_alpha + png_get_chunk_cache_max + png_set_chunk_cache_max + png_check_cHRM_fixed + png_calloc diff -ru4NwbB libpng-1.2.41beta18/scripts/pngwin.rc libpng-1.4.0beta98/scripts/pngwin.rc --- libpng-1.2.41beta18/scripts/pngwin.rc 1969-12-31 18:00:00.000000000 -0600 +++ libpng-1.4.0beta98/scripts/pngwin.rc 2006-08-15 12:28:09.000000000 -0500 @@ -0,0 +1,112 @@ +#define PNG_VERSION_INFO_ONLY + +#include +#include "../png.h" + +#define _QUOTE(x) # x +#define QUOTE(x) _QUOTE(x) + +#define PNG_LIBPNG_DLLFNAME "LIBPNG" + +/* Support deprecated PRIVATEBUILD macro */ +#if defined(PRIVATEBUILD) && !defined(PNG_USER_PRIVATEBUILD) +# define PNG_USER_PRIVATEBUILD PRIVATEBUILD +#endif + +#if defined(PNG_USER_DLLFNAME_POSTFIX) && !defined(PNG_USER_PRIVATEBUILD) +# error "PNG_USER_PRIVATEBUILD must be defined as a string describing the\ + custom changes made to the library." +#endif + +/* Prioritize PNG_USER_x over PNG_LIBPNG_x */ +#ifdef PNG_USER_DLLFNAME_POSTFIX +# undef PNG_LIBPNG_DLLFNAME_POSTFIX +# define PNG_LIBPNG_DLLFNAME_POSTFIX PNG_USER_DLLFNAME_POSTFIX +#endif + +#ifdef PNG_USER_VERSIONINFO_COMMENTS +# undef PNG_LIBPNG_VERSIONINFO_COMMENTS +# define PNG_LIBPNG_VERSIONINFO_COMMENTS PNG_USER_VERSIONINFO_COMMENTS +#endif + +#if defined(PNG_DEBUG) && (PNG_DEBUG > 0) +# define VS_DEBUG VS_FF_DEBUG +# ifndef PNG_LIBPNG_DLLFNAME_POSTFIX +# define PNG_LIBPNG_DLLFNAME_POSTFIX "D" +# endif /* PNG_LIBPNG_DLLFNAME_POSTFIX */ +# ifndef PNG_LIBPNG_VERSIONINFO_COMMENTS +# define PNG_LIBPNG_VERSIONINFO_COMMENTS "PNG_DEBUG=" QUOTE(PNG_DEBUG) +# endif /* PNG_LIBPNG_VERSIONINFO_COMMENTS */ +#else +# define VS_DEBUG 0 +# ifndef PNG_LIBPNG_DLLFNAME_POSTFIX +# define PNG_LIBPNG_DLLFNAME_POSTFIX +# endif /* PNG_LIBPNG_DLLFNAME_POSTFIX */ +#endif /* defined(DEBUG)... */ + +#ifdef PNG_USER_PRIVATEBUILD +# define VS_PRIVATEBUILD VS_FF_PRIVATEBUILD +#else +# define VS_PRIVATEBUILD 0 +#endif /* PNG_USER_PRIVATEBUILD */ + +#ifdef PNG_LIBPNG_SPECIALBUILD +# define VS_SPECIALBUILD VS_FF_SPECIALBUILD +#else +# define VS_SPECIALBUILD 0 +#endif /* PNG_LIBPNG_BUILD_SPECIAL */ + +#if ((PNG_LIBPNG_BUILD_BASE_TYPE & PNG_LIBPNG_RELEASE_STATUS_MASK) !=\ + PNG_LIBPNG_BUILD_STABLE) +# define VS_PRERELEASE VS_FF_PRERELEASE +# define VS_PATCHED 0 +#else +# define VS_PRERELEASE 0 +# if (PNG_LIBPNG_BUILD_BASE_TYPE & PNG_LIBPNG_BUILD_PATCHED) +# define VS_PATCHED VS_FF_PATCHED +# else +# define VS_PATCHED 0 +# endif +#endif + +VS_VERSION_INFO VERSIONINFO +FILEVERSION PNG_LIBPNG_VER_MAJOR, PNG_LIBPNG_VER_MINOR, PNG_LIBPNG_VER_RELEASE, PNG_LIBPNG_VER_BUILD +PRODUCTVERSION PNG_LIBPNG_VER_MAJOR, PNG_LIBPNG_VER_MINOR, PNG_LIBPNG_VER_RELEASE, PNG_LIBPNG_VER_BUILD +FILEFLAGSMASK VS_FFI_FILEFLAGSMASK +FILEFLAGS VS_DEBUG | VS_PRIVATEBUILD | VS_SPECIALBUILD | VS_PRERELEASE | VS_PATCHED +FILEOS VOS__WINDOWS32 +FILETYPE VFT_DLL +FILESUBTYPE VFT2_UNKNOWN +BEGIN + BLOCK "StringFileInfo" + BEGIN BLOCK "040904E4" /* Language type = U.S English(0x0409) and Character Set = Windows, Multilingual(0x04E4) */ + BEGIN +#ifdef PNG_LIBPNG_VERSIONINFO_COMMENTS + VALUE "Comments", PNG_LIBPNG_VERSIONINFO_COMMENTS "\000" +#endif /* PNG_LIBPNG_VERSIONINFO_COMMENTS */ +#ifdef PNG_USER_VERSIONINFO_COMPANYNAME + VALUE "CompanyName", PNG_USER_VERSIONINFO_COMPANYNAME "\000" +#endif /* PNG_USER_VERSIONINFO_COMPANYNAME */ + VALUE "FileDescription", "PNG image compression library\000" + VALUE "FileVersion", PNG_LIBPNG_VER_STRING "\000" + VALUE "InternalName", PNG_LIBPNG_DLLFNAME QUOTE(PNG_LIBPNG_VER_DLLNUM) PNG_LIBPNG_DLLFNAME_POSTFIX " (Windows 32 bit)\000" + VALUE "LegalCopyright", "\251 1998-2006 Glenn Randers-Pehrson et al.\000" +#ifdef PNG_USER_VERSIONINFO_LEGALTRADEMARKS + VALUE "LegalTrademarks", PNG_USER_VERSIONINFO_LEGALTRADEMARKS "\000" +#endif /* PNG_USER_VERSIONINFO_LEGALTRADEMARKS */ + VALUE "OriginalFilename", PNG_LIBPNG_DLLFNAME QUOTE(PNG_LIBPNG_VER_DLLNUM) PNG_LIBPNG_DLLFNAME_POSTFIX ".DLL\000" +#ifdef PNG_USER_PRIVATEBUILD + VALUE "PrivateBuild", PNG_USER_PRIVATEBUILD "\000" +#endif /* PNG_USER_PRIVATEBUILD */ + VALUE "ProductName", "LibPNG\000" + VALUE "ProductVersion", "1\000" +#ifdef PNG_LIBPNG_SPECIALBUILD + VALUE "SpecialBuild", PNG_LIBPNG_SPECIALBUILD "\000" +#endif /* PNG_LIBPNG_SPECIALBUILD */ + END + END + BLOCK "VarFileInfo" + BEGIN + VALUE "Translation", 0x0409, 0x04E4 + END +END