diff options
66 files changed, 436 insertions, 153 deletions
@@ -1,5 +1,5 @@ -Libpng 1.4.0beta51 - March 21, 2009 +Libpng 1.4.0beta52 - March 28, 2009 This is not intended to be a public release. It will be replaced within a few weeks by a public version or by another test version. @@ -9,27 +9,27 @@ Files available for download: Source files with LF line endings (for Unix/Linux) and with a "configure" script - 1.4.0beta51.tar.gz - 1.4.0beta51.tar.bz2 + 1.4.0beta52.tar.gz + 1.4.0beta52.tar.bz2 Source files with LF line endings (for Unix/Linux) without the "configure" script - 1.4.0beta51-no-config.tar.gz - 1.4.0beta51-no-config.tar.bz2 + 1.4.0beta52-no-config.tar.gz + 1.4.0beta52-no-config.tar.bz2 Source files with CRLF line endings (for Windows), without the "configure" script - lp140b51.zip - lp140b51.tar.bz2 + lp140b52.zip + lp140b52.tar.bz2 Other information: - 1.4.0beta51-README.txt - 1.4.0beta51-KNOWNBUGS.txt - 1.4.0beta51-LICENSE.txt - 1.4.0beta51-Y2K-compliance.txt + 1.4.0beta52-README.txt + 1.4.0beta52-KNOWNBUGS.txt + 1.4.0beta52-LICENSE.txt + 1.4.0beta52-Y2K-compliance.txt Changes since the last public release (1.2.10): @@ -343,7 +343,7 @@ version 1.4.0beta38 [November 22, 2008] Added check for zero-area RGB cHRM triange in png_check_cHRM() and png_check_cHRM_fixed(). -version 1.4.0beta39 [March 21, 2009] +version 1.4.0beta39 [November 23, 2008] Revised png_warning() to write its message on standard output by default when warning_fn is NULL. @@ -392,7 +392,7 @@ version 1.4.0beta49 [February 28, 2009] (bug introduced in libpng-1.2.34/1.4.0beta29). Revised comments in png_set_read_fn() and png_set_write_fn(). -version 1.4.0beta50 [March 21, 2009] +version 1.4.0beta50 [March 18, 2009] Use png_calloc() instead of png_malloc() to allocate big_row_buf when reading an interlaced file, to avoid a possible UMR. Undid recent revision of PNG_NO_STDIO version of png_write_flush(). Users @@ -406,6 +406,10 @@ version 1.4.0beta50 [March 21, 2009] version 1.4.0beta51 [March 21, 2009] Removed new png_fileno() macro from pngconf.h . +version 1.4.0beta52 [March 28, 2009] + Relocated png_do_chop() ahead of building gamma tables in pngrtran.c + This avoids building 16-bit gamma tables unnecessarily. + version 1.4.0betaN [future] Build shared libraries with -lz and sometimes -lm. @@ -2068,7 +2068,7 @@ version 1.4.0beta49 [February 28, 2009] (bug introduced in libpng-1.2.34/1.4.0beta29). Revised comments in png_set_read_fn() and png_set_write_fn(). -version 1.4.0beta50 [March 21, 2009] +version 1.4.0beta50 [March 18, 2009] Use png_calloc() instead of png_malloc() to allocate big_row_buf when reading an interlaced file, to avoid a possible UMR. Undid revision of PNG_NO_STDIO version of png_write_flush(). Users @@ -2082,6 +2082,10 @@ version 1.4.0beta50 [March 21, 2009] version 1.4.0beta51 [March 21, 2009] Removed new png_fileno() macro from pngconf.h . +version 1.4.0beta52 [March 28, 2009] + Relocated png_do_chop() ahead of building gamma tables in pngrtran.c + This avoids building 16-bit gamma tables unnecessarily. + version 1.4.0betaN [future] Build shared libraries with -lz and sometimes -lm. @@ -1,5 +1,5 @@ -Installing libpng version 1.4.0beta51 - March 21, 2009 +Installing libpng version 1.4.0beta52 - March 28, 2009 On Unix/Linux and similar systems, you can simply type @@ -44,7 +44,7 @@ to have access to the zlib.h and zconf.h include files that correspond to the version of zlib that's installed. You can rename the directories that you downloaded (they -might be called "libpng-1.4.0beta51" or "lpng109" and "zlib-1.2.1" +might be called "libpng-1.4.0beta52" or "lpng109" and "zlib-1.2.1" or "zlib121") so that you have directories called "zlib" and "libpng". Your directory structure should look like this: @@ -95,14 +95,14 @@ include CMakeLists.txt => "cmake" script makefile.std => Generic UNIX makefile (cc, creates static libpng.a) makefile.elf => Linux/ELF makefile symbol versioning, - gcc, creates libpng14.so.14.1.4.0beta51) + gcc, creates libpng14.so.14.1.4.0beta52) makefile.linux => Linux/ELF makefile - (gcc, creates libpng14.so.14.1.4.0beta51) + (gcc, creates libpng14.so.14.1.4.0beta52) makefile.gcmmx => Linux/ELF makefile - (gcc, creates libpng14.so.14.1.4.0beta51, + (gcc, creates libpng14.so.14.1.4.0beta52, uses assembler code tuned for Intel MMX platform) makefile.nommx => Linux/ELF makefile - (gcc, creates libpng14.so.14.1.4.0beta51 + (gcc, creates libpng14.so.14.1.4.0beta52 does not use Intel MMX assembler code) makefile.gcc => Generic makefile (gcc, creates static libpng.a) makefile.knr => Archaic UNIX Makefile that converts files with @@ -125,12 +125,12 @@ include makefile.openbsd => OpenBSD makefile makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib) makefile.sggcc => Silicon Graphics (gcc, - creates libpng14.so.14.1.4.0beta51) + creates libpng14.so.14.1.4.0beta52) makefile.sunos => Sun makefile makefile.solaris => Solaris 2.X makefile (gcc, - creates libpng14.so.14.1.4.0beta51) + creates libpng14.so.14.1.4.0beta52) makefile.so9 => Solaris 9 makefile (gcc, - creates libpng14.so.14.1.4.0beta51) + creates libpng14.so.14.1.4.0beta52) makefile.32sunu => Sun Ultra 32-bit makefile makefile.64sunu => Sun Ultra 64-bit makefile makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc @@ -1,5 +1,5 @@ -Known bugs in libpng version 1.4.0beta51 +Known bugs in libpng version 1.4.0beta52 1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when reading interlaced PNG files, when assembler code is enabled but running @@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: If you modify libpng you may insert additional notices immediately following this sentence. -libpng versions 1.2.6, August 15, 2004, through 1.4.0beta51, March 21, 2009, are +libpng versions 1.2.6, August 15, 2004, through 1.4.0beta52, March 28, 2009, 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 @@ -106,4 +106,4 @@ certification mark of the Open Source Initiative. Glenn Randers-Pehrson glennrp at users.sourceforge.net -March 21, 2009 +March 28, 2009 diff --git a/Makefile.am b/Makefile.am index 9329f655b..8785ca4ad 100644 --- a/Makefile.am +++ b/Makefile.am @@ -86,7 +86,7 @@ EXTRA_DIST= \ ${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/visupng/* \ $(TESTS) \ - example.c libpng-1.4.0beta51.txt pngvcrd.c + example.c libpng-1.4.0beta52.txt pngvcrd.c CLEANFILES= pngout.png libpng14.pc libpng14-config libpng.vers \ libpng.sym diff --git a/Makefile.in b/Makefile.in index 8cf7ac239..ab7ce8791 100644 --- a/Makefile.in +++ b/Makefile.in @@ -331,7 +331,7 @@ EXTRA_DIST = \ ${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/visupng/* \ $(TESTS) \ - example.c libpng-1.4.0beta51.txt pngvcrd.c + example.c libpng-1.4.0beta52.txt pngvcrd.c CLEANFILES = pngout.png libpng14.pc libpng14-config libpng.vers \ libpng.sym @@ -1,4 +1,4 @@ -README for libpng version 1.4.0beta51 - March 21, 2009 (shared library 14.0) +README for libpng version 1.4.0beta52 - March 28, 2009 (shared library 14.0) See the note about version numbers near the top of png.h See INSTALL for instructions on how to install libpng. @@ -184,11 +184,11 @@ Files in this distribution: descrip.mms => VMS makefile for MMS or MMK makefile.std => Generic UNIX makefile (cc, creates static libpng.a) makefile.elf => Linux/ELF makefile symbol versioning, - gcc, creates libpng14.so.14.1.4.0beta51) + gcc, creates libpng14.so.14.1.4.0beta52) makefile.linux => Linux/ELF makefile - (gcc, creates libpng14.so.14.1.4.0beta51) + (gcc, creates libpng14.so.14.1.4.0beta52) makefile.gcmmx => Linux/ELF makefile - (gcc, creates libpng14.so.14.1.4.0beta51, + (gcc, creates libpng14.so.14.1.4.0beta52, uses assembler code tuned for Intel MMX platform) makefile.gcc => Generic makefile (gcc, creates static libpng.a) makefile.knr => Archaic UNIX Makefile that converts files with @@ -210,12 +210,12 @@ Files in this distribution: makefile.openbsd => OpenBSD makefile makefile.sgi => Silicon Graphics IRIX (cc, creates static lib) makefile.sggcc => Silicon Graphics - (gcc, creates libpng14.so.14.1.4.0beta51) + (gcc, creates libpng14.so.14.1.4.0beta52) makefile.sunos => Sun makefile makefile.solaris => Solaris 2.X makefile - (gcc, creates libpng14.so.14.1.4.0beta51) + (gcc, creates libpng14.so.14.1.4.0beta52) makefile.so9 => Solaris 9 makefile - (gcc, creates libpng14.so.14.1.4.0beta51) + (gcc, creates libpng14.so.14.1.4.0beta52) makefile.32sunu => Sun Ultra 32-bit makefile makefile.64sunu => Sun Ultra 64-bit makefile makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc @@ -1,6 +1,6 @@ #! /bin/sh # Guess values for system-dependent variables and create Makefiles. -# Generated by GNU Autoconf 2.62 for libpng 1.4.0beta51. +# Generated by GNU Autoconf 2.62 for libpng 1.4.0beta52. # # Report bugs to <png-mng-implement@lists.sourceforge.net>. # @@ -745,8 +745,8 @@ SHELL=${CONFIG_SHELL-/bin/sh} # Identity of this package. PACKAGE_NAME='libpng' PACKAGE_TARNAME='libpng' -PACKAGE_VERSION='1.4.0beta51' -PACKAGE_STRING='libpng 1.4.0beta51' +PACKAGE_VERSION='1.4.0beta52' +PACKAGE_STRING='libpng 1.4.0beta52' PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net' ac_unique_file="pngget.c" @@ -1484,7 +1484,7 @@ if test "$ac_init_help" = "long"; then # Omit some internal or obsolete options to make the list less imposing. # This message is too long to be a string in the A/UX 3.1 sh. cat <<_ACEOF -\`configure' configures libpng 1.4.0beta51 to adapt to many kinds of systems. +\`configure' configures libpng 1.4.0beta52 to adapt to many kinds of systems. Usage: $0 [OPTION]... [VAR=VALUE]... @@ -1554,7 +1554,7 @@ fi if test -n "$ac_init_help"; then case $ac_init_help in - short | recursive ) echo "Configuration of libpng 1.4.0beta51:";; + short | recursive ) echo "Configuration of libpng 1.4.0beta52:";; esac cat <<\_ACEOF @@ -1661,7 +1661,7 @@ fi test -n "$ac_init_help" && exit $ac_status if $ac_init_version; then cat <<\_ACEOF -libpng configure 1.4.0beta51 +libpng configure 1.4.0beta52 generated by GNU Autoconf 2.62 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, @@ -1675,7 +1675,7 @@ cat >config.log <<_ACEOF This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. -It was created by libpng $as_me 1.4.0beta51, which was +It was created by libpng $as_me 1.4.0beta52, which was generated by GNU Autoconf 2.62. Invocation command line was $ $0 $@ @@ -2389,7 +2389,7 @@ fi # Define the identity of the package. PACKAGE='libpng' - VERSION='1.4.0beta51' + VERSION='1.4.0beta52' cat >>confdefs.h <<_ACEOF @@ -2558,7 +2558,7 @@ fi -PNGLIB_VERSION=1.4.0beta51 +PNGLIB_VERSION=1.4.0beta52 PNGLIB_MAJOR=1 PNGLIB_MINOR=4 PNGLIB_RELEASE=0 @@ -13125,7 +13125,7 @@ exec 6>&1 # report actual input values of CONFIG_FILES etc. instead of their # values after options handling. ac_log=" -This file was extended by libpng $as_me 1.4.0beta51, which was +This file was extended by libpng $as_me 1.4.0beta52, which was generated by GNU Autoconf 2.62. Invocation command line was CONFIG_FILES = $CONFIG_FILES @@ -13178,7 +13178,7 @@ Report bugs to <bug-autoconf@gnu.org>." _ACEOF cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 ac_cs_version="\\ -libpng config.status 1.4.0beta51 +libpng config.status 1.4.0beta52 configured by $0, generated by GNU Autoconf 2.62, with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\" diff --git a/configure.ac b/configure.ac index 46c8a5496..0745579c8 100644 --- a/configure.ac +++ b/configure.ac @@ -18,12 +18,12 @@ AC_PREREQ(2.59) dnl Version number stuff here: -AC_INIT([libpng], [1.4.0beta51], [png-mng-implement@lists.sourceforge.net]) +AC_INIT([libpng], [1.4.0beta52], [png-mng-implement@lists.sourceforge.net]) AM_INIT_AUTOMAKE dnl stop configure from automagically running automake AM_MAINTAINER_MODE -PNGLIB_VERSION=1.4.0beta51 +PNGLIB_VERSION=1.4.0beta52 PNGLIB_MAJOR=1 PNGLIB_MINOR=4 PNGLIB_RELEASE=0 diff --git a/contrib/gregbook/Makefile.sgi b/contrib/gregbook/Makefile.sgi index e3ca6ce4c..3a5044aa8 100644 --- a/contrib/gregbook/Makefile.sgi +++ b/contrib/gregbook/Makefile.sgi @@ -23,9 +23,9 @@ # macros -------------------------------------------------------------------- -PNGINC = -I/usr/local/include/libpng12 -PNGLIB = -L/usr/local/lib -lpng12 # dynamically linked against libpng -#PNGLIB = /usr/local/lib/libpng12.a # statically linked against libpng +PNGINC = -I/usr/local/include/libpng%NN% +PNGLIB = -L/usr/local/lib -lpng%NN% # dynamically linked against libpng +#PNGLIB = /usr/local/lib/libpng%NN%.a # statically linked against libpng # or: #PNGINC = -I../.. #PNGLIB = -L../.. -lpng diff --git a/contrib/gregbook/Makefile.unx b/contrib/gregbook/Makefile.unx index 7ff65bfb7..3c08719ce 100644 --- a/contrib/gregbook/Makefile.unx +++ b/contrib/gregbook/Makefile.unx @@ -26,14 +26,14 @@ # macros -------------------------------------------------------------------- #PNGDIR = /usr/local/lib -#PNGINC = -I/usr/local/include/libpng12 -#PNGLIBd = -L$(PNGDIR) -lpng12 # dynamically linked, installed libpng -#PNGLIBs = $(PNGDIR)/libpng12.a # statically linked, installed libpng +#PNGINC = -I/usr/local/include/libpng%NN% +#PNGLIBd = -L$(PNGDIR) -lpng%NN% # dynamically linked, installed libpng +#PNGLIBs = $(PNGDIR)/libpng%NN%.a # statically linked, installed libpng # or: PNGDIR = ../..# this one is for libpng-x.y.z/contrib/gregbook builds #PNGDIR = ../libpng PNGINC = -I$(PNGDIR) -PNGLIBd = -Wl,-rpath,$(PNGDIR) -L$(PNGDIR) -lpng12 # dynamically linked +PNGLIBd = -Wl,-rpath,$(PNGDIR) -L$(PNGDIR) -lpng%NN% # dynamically linked PNGLIBs = $(PNGDIR)/libpng.a # statically linked, local libpng ZDIR = /usr/local/lib diff --git a/contrib/gregbook/readpng.c b/contrib/gregbook/readpng.c index d87f6c7ed..abfc1fb4c 100644 --- a/contrib/gregbook/readpng.c +++ b/contrib/gregbook/readpng.c @@ -93,7 +93,7 @@ int readpng_init(FILE *infile, ulg *pWidth, ulg *pHeight) * have used slightly more general png_sig_cmp() function instead */ fread(sig, 1, 8, infile); - if (!png_check_sig(sig, 8)) + if (png_sig_cmp(sig, 0, 8)) return 1; /* bad signature */ diff --git a/contrib/gregbook/readpng2.c b/contrib/gregbook/readpng2.c index 921504285..0874b0a1c 100644 --- a/contrib/gregbook/readpng2.c +++ b/contrib/gregbook/readpng2.c @@ -159,7 +159,7 @@ void readpng2_version_info(void) int readpng2_check_sig(uch *sig, int num) { - return png_check_sig(sig, num); + return (!png_sig_cmp(sig, 0, num)); } @@ -2,7 +2,7 @@ #if 0 /* in case someone actually tries to compile this */ /* example.c - an example of using libpng - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 2009] * This file has been placed in the public domain by the authors. * Maintained 1998-2009 Glenn Randers-Pehrson * Maintained 1996, 1997 Andreas Dilger) diff --git a/libpng-1.4.0beta51.txt b/libpng-1.4.0beta52.txt index b974dc77a..3fb41504c 100644 --- a/libpng-1.4.0beta51.txt +++ b/libpng-1.4.0beta52.txt @@ -1,6 +1,6 @@ libpng.txt - A description on how to use and modify libpng - libpng version 1.4.0beta51 - March 21, 2009 + libpng version 1.4.0beta52 - March 28, 2009 Updated and distributed by Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Copyright (c) 1998-2009 Glenn Randers-Pehrson @@ -9,7 +9,7 @@ libpng.txt - A description on how to use and modify libpng Based on: - libpng versions 0.97, January 1998, through 1.4.0beta51 - March 21, 2009 + libpng versions 0.97, January 1998, through 1.4.0beta52 - March 28, 2009 Updated and distributed by Glenn Randers-Pehrson Copyright (c) 1998-2008 Glenn Randers-Pehrson @@ -141,9 +141,10 @@ so if it doesn't work, you don't have much to undo. Of course, you will also want to insure that you are, in fact, dealing with a PNG file. Libpng provides a simple check to see if a file is a PNG file. To use it, pass in the first 1 to 8 bytes of the file to the function -png_sig_cmp(), and it will return 0 if the bytes match the corresponding -bytes of the PNG signature, or nonzero otherwise. Of course, the more bytes -you pass in, the greater the accuracy of the prediction. +png_sig_cmp(), and it will return 0 (false) if the bytes match the +corresponding bytes of the PNG signature, or nonzero (true) otherwise. +Of course, the more bytes you pass in, the greater the accuracy of the +prediction. If you are intending to keep the file pointer open for use in libpng, you must ensure you don't read more than 8 bytes from the beginning @@ -882,7 +883,7 @@ things. As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was added. It expands the sample depth without changing tRNS to alpha. -As of libpng version 1.4.0beta51, not all possible expansions are supported. +As of libpng version 1.4.0beta52, not all possible expansions are supported. In the following table, the 01 means grayscale with depth<8, 31 means indexed with depth<8, other numerals represent the color type, "T" means @@ -2904,15 +2905,153 @@ application: png_uint_32 application_vn = PNG_LIBPNG_VER; -VIII. Y2K Compliance in libpng +VIII. Changes to Libpng from version 1.0.x to 1.2.x -March 21, 2009 +Support for user memory management was enabled by default. To +accomplish this, the functions png_create_read_struct_2(), +png_create_write_struct_2(), png_set_mem_fn(), png_get_mem_ptr(), +png_malloc_default(), and png_free_default() were added. + +Support for certain MNG features was enabled. + +Support for numbered error messages was added. However, we never got +around to actually numbering the error messages. The function +png_set_strip_error_numbers() was added (Note: the prototype for this +function was inadvertently removed from png.h in PNG_NO_ASSEMBLER_CODE +builds of libpng-1.2.15. It was restored in libpng-1.2.36). + +The png_malloc_warn() function was added at libpng-1.2.3. This issues +a png_warning and returns NULL instead of aborting when it fails to +acquire the requested memory allocation. + +Support for setting user limits on image width and height was enabled +by default. The functions png_set_user_limits(), png_get_user_width_max(), +and png_get_user_height_max() were added at libpng-1.2.6. + +The png_set_add_alpha() function was added at libpng-1.2.7. + +The function png_set_expand_gray_1_2_4_to_8() was added at libpng-1.2.9. +Unlike png_set_gray_1_2_4_to_8(), the new function does not expand the +tRNS chunk to alpha. The png_set_gray_1_2_4_to_8() function is +deprecated. + +A number of macro definitions in support of runtime selection of +assembler code features (especially Intel MMX code support) were +added at libpng-1.2.0: + + PNG_ASM_FLAG_MMX_SUPPORT_COMPILED + PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU + 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 + PNG_ASM_FLAGS_INITIALIZED + PNG_MMX_READ_FLAGS + PNG_MMX_FLAGS + PNG_MMX_WRITE_FLAGS + PNG_MMX_FLAGS + +We added the following functions in support of runtime +selection of assembler code features: + + png_get_mmx_flagmask() + png_set_mmx_thresholds() + png_get_asm_flags() + png_get_mmx_bitdepth_threshold() + png_get_mmx_rowbytes_threshold() + png_set_asm_flags() + +We replaced all of these functions with simple stubs in libpng-1.2.20, +when the Intel assembler code was removed due to a licensing issue. + +IX. Changes to Libpng from version 1.0.x/1.2.x to 1.4.x + +Private libpng prototypes and macro definitions were moved from +png.h and pngconf.h into a new pngpriv.h header file. + +Support for the iTXt chunk has been enabled by default. + +Support for global arrays was disabled by default. + +Some obsolete/deprecated macros and functions have been removed. + +The PNG_1_0_X and PNG_1_2_X macros were eliminated. + +Many WIN32_WCE #ifdefs were removed. + +PNG_MAX_UINT was replaced with PNG_UINT_31_MAX. It has been +deprecated since libpng-1.0.16 and libpng-1.2.6. + +The function + png_check_sig(sig, num) +was replaced with + !png_sig_cmp(sig, 0, num) +It has been deprecated since libpng-0.90. + +The functions png_read_init(info_ptr), png_write_init(info_ptr), +png_info_init(info_ptr), png_read_destroy(), and png_write_destroy() +have been removed. They have been deprecated since libpng-0.95. + +The function + png_set_gray_1_2_4_to_8() +which also expands tRNS to alpha was replaced with + png_set_expand_gray_1_2_4_to_8() +which does not. It has been deprecated since libpng-1.0.18 and 1.2.9. + +Support for numbered error messages was removed by default, since we +never got around to actually numbering the error messages. The function +png_set_strip_error_numbers() was removed from the library by default. + +Functions png_set_benign_errors(), png_benign_error(), and +png_chunk_benign_error() were added. + +Support for setting the maximum amount of memory that the application +will allocate for reading chunks was added, as a security measure. +The functions png_set_chunk_cache_max() and png_get_chunk_cache_max() +were added to the library. + +We implemented support for I/O states. Added png_ptr member io_state, and +functions png_get_io_chunk_name() and png_get_io_state() in pngget.c + +The png_permit_empty_plte() was removed. It has been deprecated +since libpng-1.0.9. Use png_permit_mng_features() instead. + +We removed the obsolete stub functions png_get_mmx_flagmask(), +png_set_mmx_thresholds(), png_get_asm_flags(), +png_get_mmx_bitdepth_threshold(), png_get_mmx_rowbytes_threshold(), +png_set_asm_flags(), and png_mmx_supported() + +We removed the png_memcpy_check() and png_memset_check() functions. + +We changed the prototype for png_malloc() from + png_malloc(png_structp png_ptr, png_uint_32 size) +to + png_malloc(png_structp png_ptr, png_alloc_size_t size) + +We changed the prototypes of png_get_compression_buffer_size() and +png_set_compression_buffer_size() to work with png_size_t instead of +png_uint_32. + +The png_zalloc() function no longer zeroes out the memory that it +allocates. + +The png_zalloc() and png_zfree() functions are no longer exported. + +The png_calloc() function was added. + +We removed the trailing '.' from the warning and error messages. + +X. Y2K Compliance in libpng + +March 28, 2009 Since the PNG Development group is an ad-hoc body, we can't make an official declaration. This is your unofficial assurance that libpng from version 0.71 and -upward through 1.4.0beta51 are Y2K compliant. It is my belief that earlier +upward through 1.4.0beta52 are Y2K compliant. It is my belief that earlier versions were also Y2K compliant. Libpng only has three year fields. One is a 2-byte unsigned integer that @@ -1,6 +1,6 @@ -.TH LIBPNG 3 "March 21, 2009" +.TH LIBPNG 3 "March 28, 2009" .SH NAME -libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta51 +libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta52 .SH SYNOPSIS \fI\fB @@ -809,7 +809,7 @@ Following is a copy of the libpng.txt file that accompanies libpng. .SH LIBPNG.TXT libpng.txt - A description on how to use and modify libpng - libpng version 1.4.0beta51 - March 21, 2009 + libpng version 1.4.0beta52 - March 28, 2009 Updated and distributed by Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Copyright (c) 1998-2009 Glenn Randers-Pehrson @@ -818,7 +818,7 @@ libpng.txt - A description on how to use and modify libpng Based on: - libpng versions 0.97, January 1998, through 1.4.0beta51 - March 21, 2009 + libpng versions 0.97, January 1998, through 1.4.0beta52 - March 28, 2009 Updated and distributed by Glenn Randers-Pehrson Copyright (c) 1998-2008 Glenn Randers-Pehrson @@ -950,9 +950,10 @@ so if it doesn't work, you don't have much to undo. Of course, you will also want to insure that you are, in fact, dealing with a PNG file. Libpng provides a simple check to see if a file is a PNG file. To use it, pass in the first 1 to 8 bytes of the file to the function -png_sig_cmp(), and it will return 0 if the bytes match the corresponding -bytes of the PNG signature, or nonzero otherwise. Of course, the more bytes -you pass in, the greater the accuracy of the prediction. +png_sig_cmp(), and it will return 0 (false) if the bytes match the +corresponding bytes of the PNG signature, or nonzero (true) otherwise. +Of course, the more bytes you pass in, the greater the accuracy of the +prediction. If you are intending to keep the file pointer open for use in libpng, you must ensure you don't read more than 8 bytes from the beginning @@ -1691,7 +1692,7 @@ things. As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was added. It expands the sample depth without changing tRNS to alpha. -As of libpng version 1.4.0beta51, not all possible expansions are supported. +As of libpng version 1.4.0beta52, not all possible expansions are supported. In the following table, the 01 means grayscale with depth<8, 31 means indexed with depth<8, other numerals represent the color type, "T" means @@ -3713,15 +3714,153 @@ application: png_uint_32 application_vn = PNG_LIBPNG_VER; -.SH VIII. Y2K Compliance in libpng +.SH VIII. Changes to Libpng from version 1.0.x to 1.2.x -March 21, 2009 +Support for user memory management was enabled by default. To +accomplish this, the functions png_create_read_struct_2(), +png_create_write_struct_2(), png_set_mem_fn(), png_get_mem_ptr(), +png_malloc_default(), and png_free_default() were added. + +Support for certain MNG features was enabled. + +Support for numbered error messages was added. However, we never got +around to actually numbering the error messages. The function +png_set_strip_error_numbers() was added (Note: the prototype for this +function was inadvertently removed from png.h in PNG_NO_ASSEMBLER_CODE +builds of libpng-1.2.15. It was restored in libpng-1.2.36). + +The png_malloc_warn() function was added at libpng-1.2.3. This issues +a png_warning and returns NULL instead of aborting when it fails to +acquire the requested memory allocation. + +Support for setting user limits on image width and height was enabled +by default. The functions png_set_user_limits(), png_get_user_width_max(), +and png_get_user_height_max() were added at libpng-1.2.6. + +The png_set_add_alpha() function was added at libpng-1.2.7. + +The function png_set_expand_gray_1_2_4_to_8() was added at libpng-1.2.9. +Unlike png_set_gray_1_2_4_to_8(), the new function does not expand the +tRNS chunk to alpha. The png_set_gray_1_2_4_to_8() function is +deprecated. + +A number of macro definitions in support of runtime selection of +assembler code features (especially Intel MMX code support) were +added at libpng-1.2.0: + + PNG_ASM_FLAG_MMX_SUPPORT_COMPILED + PNG_ASM_FLAG_MMX_SUPPORT_IN_CPU + 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 + PNG_ASM_FLAGS_INITIALIZED + PNG_MMX_READ_FLAGS + PNG_MMX_FLAGS + PNG_MMX_WRITE_FLAGS + PNG_MMX_FLAGS + +We added the following functions in support of runtime +selection of assembler code features: + + png_get_mmx_flagmask() + png_set_mmx_thresholds() + png_get_asm_flags() + png_get_mmx_bitdepth_threshold() + png_get_mmx_rowbytes_threshold() + png_set_asm_flags() + +We replaced all of these functions with simple stubs in libpng-1.2.20, +when the Intel assembler code was removed due to a licensing issue. + +.SH IX. Changes to Libpng from version 1.0.x/1.2.x to 1.4.x + +Private libpng prototypes and macro definitions were moved from +png.h and pngconf.h into a new pngpriv.h header file. + +Support for the iTXt chunk has been enabled by default. + +Support for global arrays was disabled by default. + +Some obsolete/deprecated macros and functions have been removed. + +The PNG_1_0_X and PNG_1_2_X macros were eliminated. + +Many WIN32_WCE #ifdefs were removed. + +PNG_MAX_UINT was replaced with PNG_UINT_31_MAX. It has been +deprecated since libpng-1.0.16 and libpng-1.2.6. + +The function + png_check_sig(sig, num) +was replaced with + !png_sig_cmp(sig, 0, num) +It has been deprecated since libpng-0.90. + +The functions png_read_init(info_ptr), png_write_init(info_ptr), +png_info_init(info_ptr), png_read_destroy(), and png_write_destroy() +have been removed. They have been deprecated since libpng-0.95. + +The function + png_set_gray_1_2_4_to_8() +which also expands tRNS to alpha was replaced with + png_set_expand_gray_1_2_4_to_8() +which does not. It has been deprecated since libpng-1.0.18 and 1.2.9. + +Support for numbered error messages was removed by default, since we +never got around to actually numbering the error messages. The function +png_set_strip_error_numbers() was removed from the library by default. + +Functions png_set_benign_errors(), png_benign_error(), and +png_chunk_benign_error() were added. + +Support for setting the maximum amount of memory that the application +will allocate for reading chunks was added, as a security measure. +The functions png_set_chunk_cache_max() and png_get_chunk_cache_max() +were added to the library. + +We implemented support for I/O states. Added png_ptr member io_state, and +functions png_get_io_chunk_name() and png_get_io_state() in pngget.c + +The png_permit_empty_plte() was removed. It has been deprecated +since libpng-1.0.9. Use png_permit_mng_features() instead. + +We removed the obsolete stub functions png_get_mmx_flagmask(), +png_set_mmx_thresholds(), png_get_asm_flags(), +png_get_mmx_bitdepth_threshold(), png_get_mmx_rowbytes_threshold(), +png_set_asm_flags(), and png_mmx_supported() + +We removed the png_memcpy_check() and png_memset_check() functions. + +We changed the prototype for png_malloc() from + png_malloc(png_structp png_ptr, png_uint_32 size) +to + png_malloc(png_structp png_ptr, png_alloc_size_t size) + +We changed the prototypes of png_get_compression_buffer_size() and +png_set_compression_buffer_size() to work with png_size_t instead of +png_uint_32. + +The png_zalloc() function no longer zeroes out the memory that it +allocates. + +The png_zalloc() and png_zfree() functions are no longer exported. + +The png_calloc() function was added. + +We removed the trailing '.' from the warning and error messages. + +.SH X. Y2K Compliance in libpng + +March 28, 2009 Since the PNG Development group is an ad-hoc body, we can't make an official declaration. This is your unofficial assurance that libpng from version 0.71 and -upward through 1.4.0beta51 are Y2K compliant. It is my belief that earlier +upward through 1.4.0beta52 are Y2K compliant. It is my belief that earlier versions were also Y2K compliant. Libpng only has three year fields. One is a 2-byte unsigned integer that @@ -3889,7 +4028,7 @@ the first widely used release: 1.4.0beta9-14 14 10400 14.so.0.0[.0] 1.2.13 13 10213 12.so.0.13[.0] 1.4.0beta15-36 14 10400 14.so.0.0[.0] - 1.4.0beta37-51 14 10400 14.so.14.0[.0] + 1.4.0beta37-52 14 10400 14.so.14.0[.0] Henceforth the source version will match the shared-library minor and patch numbers; the shared-library major version number will be @@ -3945,7 +4084,7 @@ possible without all of you. Thanks to Frank J. T. Wojcik for helping with the documentation. -Libpng version 1.4.0beta51 - March 21, 2009: +Libpng version 1.4.0beta52 - March 28, 2009: Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc. Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net). @@ -3966,7 +4105,7 @@ included in the libpng distribution, the latter shall prevail.) If you modify libpng you may insert additional notices immediately following this sentence. -libpng versions 1.2.6, August 15, 2004, through 1.4.0beta51, March 21, 2009, are +libpng versions 1.2.6, August 15, 2004, through 1.4.0beta52, March 28, 2009, 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 @@ -4065,7 +4204,7 @@ certification mark of the Open Source Initiative. Glenn Randers-Pehrson glennrp at users.sourceforge.net -March 21, 2009 +March 28, 2009 .\" end of man page diff --git a/libpngpf.3 b/libpngpf.3 index 158567d76..99b1f0831 100644 --- a/libpngpf.3 +++ b/libpngpf.3 @@ -1,6 +1,6 @@ -.TH LIBPNGPF 3 "March 21, 2009" +.TH LIBPNGPF 3 "March 28, 2009" .SH NAME -libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta51 +libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta52 (private functions) .SH SYNOPSIS \fB#include <png.h>\fP @@ -1,4 +1,4 @@ -.TH PNG 5 "March 21, 2009" +.TH PNG 5 "March 28, 2009" .SH NAME png \- Portable Network Graphics (PNG) format .SH DESCRIPTION @@ -1,7 +1,7 @@ /* png.c - location for general purpose libpng functions * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) @@ -13,7 +13,7 @@ #include "pngpriv.h" /* Generate a compiler error if there is an old png.h in the search path. */ -typedef version_1_4_0beta51 Your_png_h_is_not_version_1_4_0beta51; +typedef version_1_4_0beta52 Your_png_h_is_not_version_1_4_0beta52; /* Version information for C files. This had better match the version * string defined in png.h. */ @@ -641,13 +641,13 @@ png_get_copyright(png_structp png_ptr) #else #ifdef __STDC__ return ((png_charp) PNG_STRING_NEWLINE \ - "libpng version x 1.4.0beta51 - March 21, 2009" PNG_STRING_NEWLINE \ + "libpng version x 1.4.0beta52 - March 28, 2009" PNG_STRING_NEWLINE \ "Copyright (c) 1998-2009 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \ "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \ "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \ PNG_STRING_NEWLINE); #else - return ((png_charp) "libpng version 1.4.0beta51 - March 21, 2009\ + return ((png_charp) "libpng version 1.4.0beta52 - March 28, 2009\ Copyright (c) 1998-2009 Glenn Randers-Pehrson\ Copyright (c) 1996-1997 Andreas Dilger\ Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc."); @@ -1,7 +1,7 @@ /* png.h - header file for PNG reference library * - * libpng version 1.4.0beta51 - March 21, 2009 + * libpng version 1.4.0beta52 - March 28, 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.) @@ -9,7 +9,7 @@ * Authors and maintainers: * libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat * libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger - * libpng versions 0.97, January 1998, through 1.4.0beta51 - March 21, 2009: Glenn + * libpng versions 0.97, January 1998, through 1.4.0beta52 - March 28, 2009: Glenn * See also "Contributing Authors", below. * * Note about libpng version numbers: @@ -127,7 +127,7 @@ * 1.4.0beta9-14 14 10400 14.so.0.0[.0] * 1.2.13 13 10213 12.so.0.10[.0] * 1.4.0beta15-36 14 10400 14.so.0.0[.0] - * 1.4.0beta37-51 14 10400 14.so.14.0[.0] + * 1.4.0beta37-52 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 @@ -157,7 +157,7 @@ * If you modify libpng you may insert additional notices immediately following * this sentence. * - * libpng versions 1.2.6, August 15, 2004, through 1.4.0beta51, March 21, 2009, are + * libpng versions 1.2.6, August 15, 2004, through 1.4.0beta52, March 28, 2009, 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: @@ -275,7 +275,7 @@ * an official declaration. * * This is your unofficial assurance that libpng from version 0.71 and - * upward through 1.4.0beta51 are Y2K compliant. It is my belief that earlier + * upward through 1.4.0beta52 are Y2K compliant. It is my belief that earlier * versions were also Y2K compliant. * * Libpng only has three year fields. One is a 2-byte unsigned integer @@ -331,9 +331,9 @@ */ /* Version information for png.h - this should match the version in png.c */ -#define PNG_LIBPNG_VER_STRING "1.4.0beta51" +#define PNG_LIBPNG_VER_STRING "1.4.0beta52" #define PNG_HEADER_VERSION_STRING \ - " libpng version 1.4.0beta51 - March 21, 2009\n" + " libpng version 1.4.0beta52 - March 28, 2009\n" #define PNG_LIBPNG_VER_SONUM 14 #define PNG_LIBPNG_VER_DLLNUM 14 @@ -345,7 +345,7 @@ /* This should match the numeric part of the final component of * PNG_LIBPNG_VER_STRING, omitting any leading zero: */ -#define PNG_LIBPNG_VER_BUILD 51 +#define PNG_LIBPNG_VER_BUILD 52 /* Release Status */ #define PNG_LIBPNG_BUILD_ALPHA 1 @@ -1356,7 +1356,7 @@ struct png_struct_def /* This triggers a compiler error in png.c, if png.c and png.h * do not agree upon the version number. */ -typedef png_structp version_1_4_0beta51; +typedef png_structp version_1_4_0beta52; typedef png_struct FAR * FAR * png_structpp; @@ -2509,7 +2509,6 @@ extern PNG_EXPORT(void,png_set_strip_error_numbers) PNGARG((png_structp png_ptr, png_uint_32 strip_mode)); #endif - /* Added in libpng-1.2.6 */ #ifdef PNG_SET_USER_LIMITS_SUPPORTED extern PNG_EXPORT(void,png_set_user_limits) PNGARG((png_structp @@ -1,7 +1,7 @@ /* pngconf.h - machine configurable file for libpng * - * libpng version 1.4.0beta51 - March 21, 2009 + * libpng version 1.4.0beta52 - March 28, 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) @@ -1046,7 +1046,7 @@ typedef unsigned char png_byte; #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 diff --git a/pngerror.c b/pngerror.c index f98e1f2c4..0820cd725 100644 --- a/pngerror.c +++ b/pngerror.c @@ -1,7 +1,7 @@ /* pngerror.c - stub functions for i/o and memory allocation * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) @@ -1,7 +1,7 @@ /* pngget.c - retrieval of values from info struct * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) @@ -1,7 +1,7 @@ /* pngmem.c - stub functions for memory allocation * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) diff --git a/pngpread.c b/pngpread.c index d1806a7e6..7b187cd53 100644 --- a/pngpread.c +++ b/pngpread.c @@ -1,7 +1,7 @@ /* pngpread.c - read a png file in push mode * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) @@ -1,7 +1,7 @@ /* pngpriv.h - private declarations for use inside libpng * - * libpng version 1.4.0beta51 - March 21, 2009 + * libpng version 1.4.0beta52 - March 28, 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) @@ -1,7 +1,7 @@ /* pngread.c - read a PNG file * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) @@ -1,7 +1,7 @@ /* pngrio.c - functions for data input * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) diff --git a/pngrtran.c b/pngrtran.c index 9335c9140..51c487239 100644 --- a/pngrtran.c +++ b/pngrtran.c @@ -1,7 +1,7 @@ /* pngrtran.c - transforms the data in a row for PNG readers * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) @@ -1380,6 +1380,11 @@ From Andreas Dilger e-mail to png-implement, 26 March 1998: png_do_gray_to_rgb(&(png_ptr->row_info), png_ptr->row_buf + 1); #endif +#if defined(PNG_READ_16_TO_8_SUPPORTED) + if (png_ptr->transformations & PNG_16_TO_8) + png_do_chop(&(png_ptr->row_info), png_ptr->row_buf + 1); +#endif + #if defined(PNG_READ_BACKGROUND_SUPPORTED) if ((png_ptr->transformations & PNG_BACKGROUND) && ((png_ptr->num_trans != 0 ) || @@ -1409,11 +1414,6 @@ From Andreas Dilger e-mail to png-implement, 26 March 1998: png_ptr->gamma_shift); #endif -#if defined(PNG_READ_16_TO_8_SUPPORTED) - if (png_ptr->transformations & PNG_16_TO_8) - png_do_chop(&(png_ptr->row_info), png_ptr->row_buf + 1); -#endif - #if defined(PNG_READ_DITHER_SUPPORTED) if (png_ptr->transformations & PNG_DITHER) { diff --git a/pngrutil.c b/pngrutil.c index e1a41909d..61a069aac 100644 --- a/pngrutil.c +++ b/pngrutil.c @@ -1,7 +1,7 @@ /* pngrutil.c - utilities to read a PNG file * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) @@ -1,7 +1,7 @@ /* pngset.c - storage of image information into info struct * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) @@ -1,7 +1,7 @@ /* pngtest.c - a simple test program to test libpng * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) @@ -1611,4 +1611,4 @@ main(int argc, char *argv[]) } /* Generate a compiler error if there is an old png.h in the search path. */ -typedef version_1_4_0beta51 your_png_h_is_not_version_1_4_0beta51; +typedef version_1_4_0beta52 your_png_h_is_not_version_1_4_0beta52; diff --git a/pngtrans.c b/pngtrans.c index c6d0a8418..2bba86cd8 100644 --- a/pngtrans.c +++ b/pngtrans.c @@ -1,7 +1,7 @@ /* pngtrans.c - transforms the data in a row (used by both readers and writers) * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) @@ -126,7 +126,6 @@ png_set_filler(png_structp png_ptr, png_uint_32 filler, int filler_loc) } } -#if !defined(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) @@ -136,7 +135,6 @@ png_set_add_alpha(png_structp png_ptr, png_uint_32 filler, int filler_loc) png_set_filler(png_ptr, filler, filler_loc); png_ptr->transformations |= PNG_ADD_ALPHA; } -#endif #endif @@ -1,7 +1,7 @@ /* pngwio.c - functions for data output * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) diff --git a/pngwrite.c b/pngwrite.c index f5ce49348..cf3ea8656 100644 --- a/pngwrite.c +++ b/pngwrite.c @@ -1,7 +1,7 @@ /* pngwrite.c - general routines to write a PNG file * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) diff --git a/pngwtran.c b/pngwtran.c index 6b4419639..7740123f2 100644 --- a/pngwtran.c +++ b/pngwtran.c @@ -1,7 +1,7 @@ /* pngwtran.c - transforms the data in a row for PNG writers * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) diff --git a/pngwutil.c b/pngwutil.c index ad9f29b9f..f5e2253a6 100644 --- a/pngwutil.c +++ b/pngwutil.c @@ -1,7 +1,7 @@ /* pngwutil.c - utilities to write a PNG file * - * Last changed in libpng 1.4.0 [March 21, 2009] + * Last changed in libpng 1.4.0 [March 28, 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) diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt index 46d70b535..277f8a595 100644 --- a/scripts/CMakeLists.txt +++ b/scripts/CMakeLists.txt @@ -178,7 +178,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in # SET UP LINKS set_target_properties(${PNG_LIB_NAME} PROPERTIES -# VERSION 0.${PNGLIB_RELEASE}.1.4.0beta51 +# VERSION 0.${PNGLIB_RELEASE}.1.4.0beta52 VERSION 0.${PNGLIB_RELEASE}.0 SOVERSION 0 CLEAN_DIRECT_OUTPUT 1) diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in index 6da2168e5..d60d28e83 100755 --- a/scripts/libpng-config-head.in +++ b/scripts/libpng-config-head.in @@ -8,7 +8,7 @@ # Modeled after libxml-config. -version=1.4.0beta51 +version=1.4.0beta52 prefix="" libdir="" libs="" diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in index 4f4d1c41f..b8632db01 100644 --- a/scripts/libpng.pc.in +++ b/scripts/libpng.pc.in @@ -5,6 +5,6 @@ includedir=@includedir@/libpng14 Name: libpng Description: Loads and saves PNG files -Version: 1.4.0beta51 +Version: 1.4.0beta52 Libs: -L${libdir} -lpng14 Cflags: -I${includedir} diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu index 498b4fb98..8b9c88ced 100644 --- a/scripts/makefile.32sunu +++ b/scripts/makefile.32sunu @@ -8,7 +8,7 @@ # Library name: LIBNAME=libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu index 919b528c4..c030ad1f4 100644 --- a/scripts/makefile.64sunu +++ b/scripts/makefile.64sunu @@ -8,7 +8,7 @@ # Library name: LIBNAME=libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.aix b/scripts/makefile.aix index 085b3354f..05a4b1857 100644 --- a/scripts/makefile.aix +++ b/scripts/makefile.aix @@ -20,7 +20,7 @@ LN_SF = ln -f -s LIBNAME=libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) prefix=/usr/local diff --git a/scripts/makefile.beos b/scripts/makefile.beos index 5d227ff8c..b694aa227 100644 --- a/scripts/makefile.beos +++ b/scripts/makefile.beos @@ -8,7 +8,7 @@ # Library name: LIBNAME=libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin index 19aab83e4..b62dcd3e6 100644 --- a/scripts/makefile.cygwin +++ b/scripts/makefile.cygwin @@ -65,7 +65,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ LIBNAME = libpng14 PNGMAJ = 14 CYGDLL = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) SHAREDLIB=cygpng$(CYGDLL).dll diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin index 3fc9ef604..2328057a9 100644 --- a/scripts/makefile.darwin +++ b/scripts/makefile.darwin @@ -19,7 +19,7 @@ ZLIBINC=../zlib # Library name: LIBNAME = libpng14 PNGMAJ = 12 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.dec b/scripts/makefile.dec index 23294865b..48d377275 100644 --- a/scripts/makefile.dec +++ b/scripts/makefile.dec @@ -5,7 +5,7 @@ # Library name: PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) LIBNAME = libpng14 diff --git a/scripts/makefile.elf b/scripts/makefile.elf index b43b1e94b..4059e1b90 100644 --- a/scripts/makefile.elf +++ b/scripts/makefile.elf @@ -12,7 +12,7 @@ # Library name: LIBNAME = libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx index 4917ffdcb..2e5edeed2 100644 --- a/scripts/makefile.gcmmx +++ b/scripts/makefile.gcmmx @@ -16,7 +16,7 @@ # Library name: LIBNAME = libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64 index 4add23d91..a3f3648b5 100644 --- a/scripts/makefile.hp64 +++ b/scripts/makefile.hp64 @@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include # Library name: LIBNAME = libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc index 67ae91a16..8da44d233 100644 --- a/scripts/makefile.hpgcc +++ b/scripts/makefile.hpgcc @@ -8,7 +8,7 @@ # Library name: LIBNAME = libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux index 8a49a6f92..3a66c77a4 100644 --- a/scripts/makefile.hpux +++ b/scripts/makefile.hpux @@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include # Library name: LIBNAME = libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.linux b/scripts/makefile.linux index b5ff13eed..5f5c7f7b0 100644 --- a/scripts/makefile.linux +++ b/scripts/makefile.linux @@ -6,7 +6,7 @@ # Library name: LIBNAME = libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw index 29d9ca235..d66276f52 100644 --- a/scripts/makefile.mingw +++ b/scripts/makefile.mingw @@ -81,7 +81,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ LIBNAME = libpng14 PNGMAJ = 14 MINGDLL = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) SHAREDLIB=libpng$(MINGDLL).dll diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd index e8fa81d99..a50badb7f 100644 --- a/scripts/makefile.ne12bsd +++ b/scripts/makefile.ne12bsd @@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng14 LIB= png14 SHLIB_MAJOR= 0 -SHLIB_MINOR= 1.4.0beta51 +SHLIB_MINOR= 1.4.0beta52 SRCS= pnggccrd.c 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 --git a/scripts/makefile.netbsd b/scripts/makefile.netbsd index 1e0b07f2a..2f15f5dbe 100644 --- a/scripts/makefile.netbsd +++ b/scripts/makefile.netbsd @@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng LIB= png SHLIB_MAJOR= 3 -SHLIB_MINOR= 1.4.0beta51 +SHLIB_MINOR= 1.4.0beta52 SRCS= pnggccrd.c 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 --git a/scripts/makefile.nommx b/scripts/makefile.nommx index b654fdd5f..0decaf048 100644 --- a/scripts/makefile.nommx +++ b/scripts/makefile.nommx @@ -16,7 +16,7 @@ # Library name: LIBNAME = libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd index 7d6446f14..6d0f490d4 100644 --- a/scripts/makefile.openbsd +++ b/scripts/makefile.openbsd @@ -8,7 +8,7 @@ LIBDIR= ${PREFIX}/lib MANDIR= ${PREFIX}/man/cat SHLIB_MAJOR= 0 -SHLIB_MINOR= 1.4.0beta51 +SHLIB_MINOR= 1.4.0beta52 LIB= png SRCS= png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \ diff --git a/scripts/makefile.sco b/scripts/makefile.sco index 04e478d61..45653fba4 100644 --- a/scripts/makefile.sco +++ b/scripts/makefile.sco @@ -9,7 +9,7 @@ # Library name: LIBNAME = libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc index 4c17c7def..f0129ff7a 100644 --- a/scripts/makefile.sggcc +++ b/scripts/makefile.sggcc @@ -6,7 +6,7 @@ # Library name: LIBNAME=libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi index 4734325e1..17540739a 100644 --- a/scripts/makefile.sgi +++ b/scripts/makefile.sgi @@ -6,7 +6,7 @@ # Library name: LIBNAME=libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.so9 b/scripts/makefile.so9 index 62b9584b9..6ca4290be 100644 --- a/scripts/makefile.so9 +++ b/scripts/makefile.so9 @@ -8,7 +8,7 @@ # Library name: PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) LIBNAME = libpng14 diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris index 9734eb773..8e1d01baa 100644 --- a/scripts/makefile.solaris +++ b/scripts/makefile.solaris @@ -8,7 +8,7 @@ # Library name: LIBNAME = libpng14 PNGMAJ = 14 -PNGMIN = 1.4.0beta51 +PNGMIN = 1.4.0beta52 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/pngos2.def b/scripts/pngos2.def index bdc2e40d3..bf482360c 100644 --- a/scripts/pngos2.def +++ b/scripts/pngos2.def @@ -2,7 +2,7 @@ ; PNG.LIB module definition file for OS/2 ;---------------------------------------- -; Version 1.4.0beta51 +; Version 1.4.0beta52 LIBRARY PNG DESCRIPTION "PNG image compression library for OS/2" diff --git a/scripts/pngwin.def b/scripts/pngwin.def index 953a68ad8..ddd430a71 100644 --- a/scripts/pngwin.def +++ b/scripts/pngwin.def @@ -5,7 +5,7 @@ LIBRARY EXPORTS -;Version 1.4.0beta51 +;Version 1.4.0beta52 png_build_grayscale_palette png_chunk_error png_chunk_warning |