diff options
| author | Glenn Randers-Pehrson <glennrp at users.sourceforge.net> | 2008-07-06 06:05:04 -0500 |
|---|---|---|
| committer | Glenn Randers-Pehrson <glennrp at users.sourceforge.net> | 2009-04-06 16:17:10 -0500 |
| commit | b96b342561f170a05a0173f4c15502ef84d8e759 (patch) | |
| tree | b868c338fdb5d14e8db730afe4ff10ca90ec3a6f | |
| parent | eb1cd11d57ae4907febdc2f58f5ae4ca7b0a4b67 (diff) | |
| download | libpng-b96b342561f170a05a0173f4c15502ef84d8e759.tar.gz | |
Imported from libpng-1.2.30beta03.tarv1.2.30beta03
62 files changed, 1574 insertions, 478 deletions
@@ -1,5 +1,5 @@ -Libpng 1.2.30beta02 - June 25, 2008 +Libpng 1.2.30beta03 - July 6, 2008 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. @@ -9,37 +9,37 @@ Files available for download: Source files with LF line endings (for Unix/Linux) and with a "configure" script - libpng-1.2.30beta02.tar.gz - libpng-1.2.30beta02.tar.lzma + libpng-1.2.30beta03.tar.gz + libpng-1.2.30beta03.tar.lzma (Get the lzma codec from <http://tukaani.org/lzma>). - libpng-1.2.30beta02.tar.bz2 + libpng-1.2.30beta03.tar.bz2 Source files with LF line endings (for Unix/Linux) without the "configure" script - libpng-1.2.30beta02-no-config.tar.gz - libpng-1.2.30beta02-no-config.tar.lzma - libpng-1.2.30beta02-no-config.tar.bz2 + libpng-1.2.30beta03-no-config.tar.gz + libpng-1.2.30beta03-no-config.tar.lzma + libpng-1.2.30beta03-no-config.tar.bz2 Source files with CRLF line endings (for Windows), without the "configure" script - lp1230b02.zip - lp1230b02.7z - lp1230b02.tar.bz2 + lp1230b03.zip + lp1230b03.7z + lp1230b03.tar.bz2 Project files - libpng-1.2.30beta02-project-netware.zip - libpng-1.2.30beta02-project-wince.zip + libpng-1.2.30beta03-project-netware.zip + libpng-1.2.30beta03-project-wince.zip Other information: - libpng-1.2.30beta02-README.txt - libpng-1.2.30beta02-KNOWNBUGS.txt - libpng-1.2.30beta02-LICENSE.txt - libpng-1.2.30beta02-Y2K-compliance.txt - libpng-1.2.30beta02-[previous version]-diff.txt + libpng-1.2.30beta03-README.txt + libpng-1.2.30beta03-KNOWNBUGS.txt + libpng-1.2.30beta03-LICENSE.txt + libpng-1.2.30beta03-Y2K-compliance.txt + libpng-1.2.30beta03-[previous version]-diff.txt Changes since the last public release (1.2.29): @@ -70,6 +70,17 @@ version 1.2.30beta01 [May 29, 2008] Updated libpng.pc-configure.in and libpng-config.in per debian bug reports. version 1.2.30beta02 [June 25, 2008] + Restored png_flush(png_ptr) at the end of png_write_end(), that was + removed from libpng-1.0.9beta03. + +version 1.2.30beta03 [July 6, 2008] + Merged some cosmetic whitespace changes from libpng-1.4.0beta19. + Inline call of png_get_uint_32() in png_get_uint_31(), as in 1.4.0beta19. + Added demo of decoding vpAg and sTER chunks to pngtest.c, from 1.4.0beta19. + Changed PNGMAJ from 0 to 12 in makefile.darwin, which does not like 0. + Added new private function png_read_chunk_header() from 1.4.0beta19. + Merge reading of chunk length and chunk type into a single 8-byte read. + Merge writing of chunk length and chunk type into a single 8-byte write. Send comments/corrections/commendations to png-mng-implement at lists.sf.net @@ -2174,6 +2174,15 @@ version 1.2.30beta02 [June 25, 2008] Restored png_flush(png_ptr) at the end of png_write_end(), that was removed from libpng-1.0.9beta03. +version 1.2.30beta03 [July 6, 2008] + Merged some cosmetic whitespace changes from libpng-1.4.0beta19. + Inline call of png_get_uint_32() in png_get_uint_31(), as in 1.4.0beta19. + Added demo of decoding vpAg and sTER chunks to pngtest.c, from 1.4.0beta19. + Changed PNGMAJ from 0 to 12 in makefile.darwin, which does not like 0. + Added new private function png_read_chunk_header() from 1.4.0beta19. + Merge reading of chunk length and chunk type into a single 8-byte read. + Merge writing of chunk length and chunk type into a single 8-byte write. + Send comments/corrections/commendations to png-mng-implement at lists.sf.net (subscription required; visit https://lists.sourceforge.net/lists/listinfo/png-mng-implement @@ -1,5 +1,5 @@ -Installing libpng version 1.2.30beta02 - June 25, 2008 +Installing libpng version 1.2.30beta03 - July 6, 2008 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-1.2.30beta02" or "lpng109" and "zlib-1.2.1" +might be called "libpng-1.2.30beta03" 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: @@ -101,9 +101,9 @@ include CMakeLists.txt => "cmake" script makefile.std => Generic UNIX makefile (cc, creates static libpng.a) makefile.elf => Linux/ELF makefile symbol versioning, - gcc, creates libpng12.so.0.1.2.30beta02) + gcc, creates libpng12.so.0.1.2.30beta03) makefile.linux => Linux/ELF makefile - (gcc, creates libpng12.so.0.1.2.30beta02) + (gcc, creates libpng12.so.0.1.2.30beta03) makefile.gcc => Generic makefile (gcc, creates static libpng.a) makefile.knr => Archaic UNIX Makefile that converts files with ansi2knr (Requires ansi2knr.c from @@ -125,14 +125,14 @@ include makefile.openbsd => OpenBSD makefile makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib) makefile.sggcc => Silicon Graphics (gcc, - creates libpng12.so.0.1.2.30beta02) + creates libpng12.so.0.1.2.30beta03) makefile.sunos => Sun makefile makefile.solaris => Solaris 2.X makefile (gcc, - creates libpng12.so.0.1.2.30beta02) + creates libpng12.so.0.1.2.30beta03) makefile.solaris-x86 => Solaris/intelMMX 2.X makefile (gcc, - creates libpng12.so.0.1.2.30beta02) + creates libpng12.so.0.1.2.30beta03) makefile.so9 => Solaris 9 makefile (gcc, - creates libpng12.so.0.1.2.30beta02) + creates libpng12.so.0.1.2.30beta03) 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 1.2.30beta02 +Known bugs in libpng version 1.2.30beta03 1. February 23, 2006: The custom makefiles don't build libpng with -lz. @@ -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 1.2.30beta02, June 25, 2008, are +libpng versions 1.2.6, August 15, 2004, through 1.2.30beta03, July 6, 2008, are Copyright (c) 2004, 2006-2008 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 -June 25, 2008 +July 6, 2008 diff --git a/Makefile.am b/Makefile.am index 0f02c0267..783025f15 100644 --- a/Makefile.am +++ b/Makefile.am @@ -86,7 +86,7 @@ EXTRA_DIST= \ ${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/visupng/* \ $(TESTS) \ - example.c libpng-1.2.30beta02.txt pngvcrd.c + example.c libpng-1.2.30beta03.txt pngvcrd.c CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \ libpng.sym diff --git a/Makefile.in b/Makefile.in index 266e51635..fe676cae6 100644 --- a/Makefile.in +++ b/Makefile.in @@ -331,7 +331,7 @@ EXTRA_DIST = \ ${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/visupng/* \ $(TESTS) \ - example.c libpng-1.2.30beta02.txt pngvcrd.c + example.c libpng-1.2.30beta03.txt pngvcrd.c CLEANFILES = pngout.png libpng12.pc libpng12-config libpng.vers \ libpng.sym @@ -1,4 +1,4 @@ -README for libpng version 1.2.30beta02 - June 25, 2008 (shared library 12.0) +README for libpng version 1.2.30beta03 - July 6, 2008 (shared library 12.0) See the note about version numbers near the top of png.h See INSTALL for instructions on how to install libpng. @@ -194,11 +194,11 @@ 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 libpng12.so.0.1.2.30beta02) + gcc, creates libpng12.so.0.1.2.30beta03) makefile.linux => Linux/ELF makefile - (gcc, creates libpng12.so.0.1.2.30beta02) + (gcc, creates libpng12.so.0.1.2.30beta03) makefile.gcmmx => Linux/ELF makefile - (gcc, creates libpng12.so.0.1.2.30beta02, + (gcc, creates libpng12.so.0.1.2.30beta03, 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 @@ -220,12 +220,12 @@ Files in this distribution: makefile.openbsd => OpenBSD makefile makefile.sgi => Silicon Graphics IRIX (cc, creates static lib) makefile.sggcc => Silicon Graphics - (gcc, creates libpng12.so.0.1.2.30beta02) + (gcc, creates libpng12.so.0.1.2.30beta03) makefile.sunos => Sun makefile makefile.solaris => Solaris 2.X makefile - (gcc, creates libpng12.so.0.1.2.30beta02) + (gcc, creates libpng12.so.0.1.2.30beta03) makefile.so9 => Solaris 9 makefile - (gcc, creates libpng12.so.0.1.2.30beta02) + (gcc, creates libpng12.so.0.1.2.30beta03) 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 @@ -1,13 +1,13 @@ Y2K compliance in libpng: ========================= - June 25, 2008 + July 6, 2008 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 1.2.30beta02 are Y2K compliant. It is my belief that earlier + upward through 1.2.30beta03 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 @@ -1,6 +1,6 @@ #! /bin/sh # Guess values for system-dependent variables and create Makefiles. -# Generated by GNU Autoconf 2.62 for libpng 1.2.30beta02. +# Generated by GNU Autoconf 2.62 for libpng 1.2.30beta03. # # 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='1.2.30beta02' -PACKAGE_STRING='libpng 1.2.30beta02' +PACKAGE_VERSION='1.2.30beta03' +PACKAGE_STRING='libpng 1.2.30beta03' 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 1.2.30beta02 to adapt to many kinds of systems. +\`configure' configures libpng 1.2.30beta03 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 $ac_init_help in - short | recursive ) echo "Configuration of libpng 1.2.30beta02:";; + short | recursive ) echo "Configuration of libpng 1.2.30beta03:";; esac cat <<\_ACEOF @@ -1661,7 +1661,7 @@ fi test -n "$ac_init_help" && exit $ac_status if $ac_init_version; then cat <<\_ACEOF -libpng configure 1.2.30beta02 +libpng configure 1.2.30beta03 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 1.2.30beta02, which was +It was created by libpng $as_me 1.2.30beta03, 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='1.2.30beta02' + VERSION='1.2.30beta03' cat >>confdefs.h <<_ACEOF @@ -2558,7 +2558,7 @@ fi -PNGLIB_VERSION=1.2.30beta02 +PNGLIB_VERSION=1.2.30beta03 PNGLIB_MAJOR=1 PNGLIB_MINOR=2 PNGLIB_RELEASE=30 @@ -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 1.2.30beta02, which was +This file was extended by libpng $as_me 1.2.30beta03, 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 1.2.30beta02 +libpng config.status 1.2.30beta03 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 21f459ad7..40d62f900 100644 --- a/configure.ac +++ b/configure.ac @@ -18,12 +18,12 @@ AC_PREREQ(2.59) dnl Version number stuff here: -AC_INIT([libpng], [1.2.30beta02], [png-mng-implement@lists.sourceforge.net]) +AC_INIT([libpng], [1.2.30beta03], [png-mng-implement@lists.sourceforge.net]) AM_INIT_AUTOMAKE dnl stop configure from automagically running automake AM_MAINTAINER_MODE -PNGLIB_VERSION=1.2.30beta02 +PNGLIB_VERSION=1.2.30beta03 PNGLIB_MAJOR=1 PNGLIB_MINOR=2 PNGLIB_RELEASE=30 @@ -2,9 +2,9 @@ #if 0 /* in case someone actually tries to compile this */ /* example.c - an example of using libpng - * Last changed in libpng 1.2.1 December 7, 2001. + * Last changed in libpng 1.2.30 [July 6, 2008] * This file has been placed in the public domain by the authors. - * Maintained 1998-2007 Glenn Randers-Pehrson + * Maintained 1998-2008 Glenn Randers-Pehrson * Maintained 1996, 1997 Andreas Dilger) * Written 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) */ @@ -637,7 +637,7 @@ void write_png(char *file_name /* , ... other image information ... */) /* set the palette if there is one. REQUIRED for indexed-color images */ palette = (png_colorp)png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH - * png_sizeof (png_color)); + * png_sizeof(png_color)); /* ... set palette colors ... */ png_set_PLTE(png_ptr, info_ptr, palette, PNG_MAX_PALETTE_LENGTH); /* You must not free palette here, because png_set_PLTE only makes a link to diff --git a/libpng-1.2.30beta02.txt b/libpng-1.2.30beta03.txt index f062e032b..2e0f5eb28 100644 --- a/libpng-1.2.30beta02.txt +++ b/libpng-1.2.30beta03.txt @@ -1,6 +1,6 @@ libpng.txt - A description on how to use and modify libpng - libpng version 1.2.30beta02 - June 25, 2008 + libpng version 1.2.30beta03 - July 6, 2008 Updated and distributed by Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Copyright (c) 1998-2008 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 1.2.30beta02 - June 25, 2008 + libpng versions 0.97, January 1998, through 1.2.30beta03 - July 6, 2008 Updated and distributed by Glenn Randers-Pehrson Copyright (c) 1998-2008 Glenn Randers-Pehrson @@ -2851,13 +2851,13 @@ application: IX. Y2K Compliance in libpng -June 25, 2008 +July 6, 2008 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 1.2.30beta02 are Y2K compliant. It is my belief that earlier +upward through 1.2.30beta03 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 @@ -1,404 +1,815 @@ -.TH LIBPNG 3 "June 25, 2008" +.TH LIBPNG 3 "July 6, 2008" .SH NAME -libpng \- Portable Network Graphics (PNG) Reference Library 1.2.30beta02 +libpng \- Portable Network Graphics (PNG) Reference Library 1.2.30beta03 .SH SYNOPSIS -\fB -#include <png.h>\fP +\fI\fB + +\fB#include <png.h>\fP + +\fI\fB \fBpng_uint_32 png_access_version_number \fI(void\fP\fB);\fP +\fI\fB + \fBint png_check_sig (png_bytep \fP\fIsig\fP\fB, int \fInum\fP\fB);\fP +\fI\fB + \fBvoid png_chunk_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP +\fI\fB + \fBvoid png_chunk_warning (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fImessage\fP\fB);\fP +\fI\fB + \fBvoid png_convert_from_struct_tm (png_timep \fP\fIptime\fP\fB, struct tm FAR * \fIttime\fP\fB);\fP +\fI\fB + \fBvoid png_convert_from_time_t (png_timep \fP\fIptime\fP\fB, time_t \fIttime\fP\fB);\fP +\fI\fB + \fBpng_charp png_convert_to_rfc1123 (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fIptime\fP\fB);\fP +\fI\fB + \fBpng_infop png_create_info_struct (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_structp png_create_read_struct (png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarn_fn\fP\fB);\fP +\fI\fB + \fBpng_structp png_create_read_struct_2(png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fP\fIwarn_fn\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP +\fI\fB + \fBpng_structp png_create_write_struct (png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarn_fn\fP\fB);\fP +\fI\fB + \fBpng_structp png_create_write_struct_2(png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fP\fIwarn_fn\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP +\fI\fB + \fBint png_debug(int \fP\fIlevel\fP\fB, png_const_charp \fImessage\fP\fB);\fP +\fI\fB + \fBint png_debug1(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fIp1\fP\fB);\fP +\fI\fB + \fBint png_debug2(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fP\fIp1\fP\fB, \fIp2\fP\fB);\fP +\fI\fB + \fBvoid png_destroy_info_struct (png_structp \fP\fIpng_ptr\fP\fB, png_infopp \fIinfo_ptr_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_destroy_read_struct (png_structpp \fP\fIpng_ptr_ptr\fP\fB, png_infopp \fP\fIinfo_ptr_ptr\fP\fB, png_infopp \fIend_info_ptr_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_destroy_write_struct (png_structpp \fP\fIpng_ptr_ptr\fP\fB, png_infopp \fIinfo_ptr_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP +\fI\fB + \fBvoid png_free (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fIptr\fP\fB);\fP +\fI\fB + \fBvoid png_free_chunk_list (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_free_default(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fIptr\fP\fB);\fP +\fI\fB + \fBvoid png_free_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fInum\fP\fB);\fP +\fI\fB + \fBpng_byte png_get_bit_depth (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_16p \fI*background\fP\fB);\fP +\fI\fB + \fBpng_byte png_get_channels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fI*white_x\fP\fB, double \fP\fI*white_y\fP\fB, double \fP\fI*red_x\fP\fB, double \fP\fI*red_y\fP\fB, double \fP\fI*green_x\fP\fB, double \fP\fI*green_y\fP\fB, double \fP\fI*blue_x\fP\fB, double \fI*blue_y\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*white_x\fP\fB, png_uint_32 \fP\fI*white_y\fP\fB, png_uint_32 \fP\fI*red_x\fP\fB, png_uint_32 \fP\fI*red_y\fP\fB, png_uint_32 \fP\fI*green_x\fP\fB, png_uint_32 \fP\fI*green_y\fP\fB, png_uint_32 \fP\fI*blue_x\fP\fB, png_uint_32 \fI*blue_y\fP\fB);\fP +\fI\fB + \fBpng_byte png_get_color_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_byte png_get_compression_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_byte png_get_copyright (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_voidp png_get_error_ptr (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_byte png_get_filter_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fI*file_gamma\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fI*int_file_gamma\fP\fB);\fP +\fI\fB + \fBpng_byte png_get_header_ver (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_byte png_get_header_version (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fI*hist\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charpp \fP\fIname\fP\fB, int \fP\fI*compression_type\fP\fB, png_charpp \fP\fIprofile\fP\fB, png_uint_32 \fI*proflen\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*width\fP\fB, png_uint_32 \fP\fI*height\fP\fB, int \fP\fI*bit_depth\fP\fB, int \fP\fI*color_type\fP\fB, int \fP\fI*interlace_type\fP\fB, int \fP\fI*compression_type\fP\fB, int \fI*filter_type\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_image_height (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_image_width (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP -\fB#if !defined(PNG_1_0_X) png_int_32 png_get_int_32 (png_bytep buf); \fI#endif +\fI\fB + +\fB#if \fI!defined(PNG_1_0_X) + +\fBpng_int_32 png_get_int_32 (png_bytep \fIbuf\fP\fB);\fP + +\fI\fB#endif + +\fI\fB \fBpng_byte png_get_interlace_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_voidp png_get_io_ptr (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_byte png_get_libpng_ver (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_voidp png_get_mem_ptr(png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*offset_x\fP\fB, png_uint_32 \fP\fI*offset_y\fP\fB, int \fI*unit_type\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fI*purpose\fP\fB, png_int_32 \fP\fI*X0\fP\fB, png_int_32 \fP\fI*X1\fP\fB, int \fP\fI*type\fP\fB, int \fP\fI*nparams\fP\fB, png_charp \fP\fI*units\fP\fB, png_charpp \fI*params\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*res_x\fP\fB, png_uint_32 \fP\fI*res_y\fP\fB, int \fI*unit_type\fP\fB);\fP +\fI\fB + \fBfloat png_get_pixel_aspect_ratio (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_voidp png_get_progressive_ptr (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_colorp \fP\fI*palette\fP\fB, int \fI*num_palette\fP\fB);\fP -\fBpng_byte png_get_rgb_to_gray_status (png_structp png_ptr) png_uint_32 png_get_rowbytes (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + +\fBpng_byte png_get_rgb_to_gray_status (png_structp \fIpng_ptr) + +\fBpng_uint_32 png_get_rowbytes (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP + +\fI\fB \fBpng_bytepp png_get_rows (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_8p \fI*sig_bit\fP\fB);\fP +\fI\fB + \fBpng_bytep png_get_signature (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_spalette_p \fI*splt_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fI*intent\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_text (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fI*text_ptr\fP\fB, int \fI*num_text\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_timep \fI*mod_time\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fI*trans\fP\fB, int \fP\fI*num_trans\fP\fB, png_color_16p \fI*trans_values\fP\fB);\fP -\fB#if !defined(PNG_1_0_X) png_uint_16 png_get_uint_16 (png_bytep \fIbuf\fP\fB);\fP +\fI\fB + +\fB#if \fI!defined(PNG_1_0_X) + +\fBpng_uint_16 png_get_uint_16 (png_bytep \fIbuf\fP\fB);\fP + +\fI\fB \fBpng_uint_32 png_get_uint_31 (png_bytep \fIbuf\fP\fB);\fP -\fBpng_uint_32 png_get_uint_32 (png_bytep buf); \fI#endif +\fI\fB + +\fBpng_uint_32 png_get_uint_32 (png_bytep \fIbuf\fP\fB);\fP + +\fI\fB#endif + +\fI\fB \fBpng_uint_32 png_get_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_unknown_chunkpp \fIunknowns\fP\fB);\fP +\fI\fB + \fBpng_voidp png_get_user_chunk_ptr (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_user_height_max( png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_voidp png_get_user_transform_ptr (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_user_width_max (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_valid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIflag\fP\fB);\fP +\fI\fB + \fBpng_int_32 png_get_x_offset_microns (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_int_32 png_get_x_offset_pixels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_x_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_int_32 png_get_y_offset_microns (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_int_32 png_get_y_offset_pixels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_y_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_get_compression_buffer_size (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBint png_handle_as_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP +\fI\fB + \fBvoid png_init_io (png_structp \fP\fIpng_ptr\fP\fB, FILE \fI*fp\fP\fB);\fP +\fI\fB + \fBDEPRECATED: void png_info_init (png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBDEPRECATED: void png_info_init_2 (png_infopp \fP\fIptr_ptr\fP\fB, png_size_t \fIpng_info_struct_size\fP\fB);\fP +\fI\fB + \fBpng_voidp png_malloc (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP +\fI\fB + \fBpng_voidp png_malloc_default(png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP +\fI\fB + \fBvoidp png_memcpy (png_voidp \fP\fIs1\fP\fB, png_voidp \fP\fIs2\fP\fB, png_size_t \fIsize\fP\fB);\fP +\fI\fB + \fBpng_voidp png_memcpy_check (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIs1\fP\fB, png_voidp \fP\fIs2\fP\fB, png_uint_32 \fIsize\fP\fB);\fP +\fI\fB + \fBvoidp png_memset (png_voidp \fP\fIs1\fP\fB, int \fP\fIvalue\fP\fB, png_size_t \fIsize\fP\fB);\fP +\fI\fB + \fBpng_voidp png_memset_check (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIs1\fP\fB, int \fP\fIvalue\fP\fB, png_uint_32 \fIsize\fP\fB);\fP +\fI\fB + \fBDEPRECATED: void png_permit_empty_plte (png_structp \fP\fIpng_ptr\fP\fB, int \fIempty_plte_permitted\fP\fB);\fP +\fI\fB + \fBvoid png_process_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_size\fP\fB);\fP +\fI\fB + \fBvoid png_progressive_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIold_row\fP\fB, png_bytep \fInew_row\fP\fB);\fP +\fI\fB + \fBvoid png_read_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_infop \fIend_info_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_read_image (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fIimage\fP\fB);\fP +\fI\fB + \fBDEPRECATED: void png_read_init (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBDEPRECATED: void png_read_init_2 (png_structpp \fP\fIptr_ptr\fP\fB, png_const_charp \fP\fIuser_png_ver\fP\fB, png_size_t \fP\fIpng_struct_size\fP\fB, png_size_t \fIpng_info_size\fP\fB);\fP +\fI\fB + \fBvoid png_read_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_read_png (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fItransforms\fP\fB, png_voidp \fIparams\fP\fB);\fP +\fI\fB + \fBvoid png_read_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fIdisplay_row\fP\fB);\fP +\fI\fB + \fBvoid png_read_rows (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fP\fIrow\fP\fB, png_bytepp \fP\fIdisplay_row\fP\fB, png_uint_32 \fInum_rows\fP\fB);\fP +\fI\fB + \fBvoid png_read_update_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP -\fB#if !defined(PNG_1_0_X) png_save_int_32 (png_bytep \fP\fIbuf\fP\fB, png_int_32 \fIi\fP\fB);\fP +\fI\fB + +\fB#if \fI!defined(PNG_1_0_X) + +\fBpng_save_int_32 (png_bytep \fP\fIbuf\fP\fB, png_int_32 \fIi\fP\fB);\fP + +\fI\fB \fBvoid png_save_uint_16 (png_bytep \fP\fIbuf\fP\fB, unsigned int \fIi\fP\fB);\fP +\fI\fB + \fBvoid png_save_uint_32 (png_bytep \fP\fIbuf\fP\fB, png_uint_32 \fIi\fP\fB);\fP -\fBvoid png_set_add_alpha (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int flags); \fI#endif +\fI\fB + +\fBvoid png_set_add_alpha (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int \fIflags\fP\fB);\fP + +\fI\fB#endif + +\fI\fB \fBvoid png_set_background (png_structp \fP\fIpng_ptr\fP\fB, png_color_16p \fP\fIbackground_color\fP\fB, int \fP\fIbackground_gamma_code\fP\fB, int \fP\fIneed_expand\fP\fB, double \fIbackground_gamma\fP\fB);\fP +\fI\fB + \fBvoid png_set_bgr (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_16p \fIbackground\fP\fB);\fP +\fI\fB + \fBvoid png_set_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP +\fI\fB + \fBvoid png_set_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP +\fI\fB + \fBvoid png_set_compression_level (png_structp \fP\fIpng_ptr\fP\fB, int \fIlevel\fP\fB);\fP +\fI\fB + \fBvoid png_set_compression_mem_level (png_structp \fP\fIpng_ptr\fP\fB, int \fImem_level\fP\fB);\fP +\fI\fB + \fBvoid png_set_compression_method (png_structp \fP\fIpng_ptr\fP\fB, int \fImethod\fP\fB);\fP +\fI\fB + \fBvoid png_set_compression_strategy (png_structp \fP\fIpng_ptr\fP\fB, int \fIstrategy\fP\fB);\fP +\fI\fB + \fBvoid png_set_compression_window_bits (png_structp \fP\fIpng_ptr\fP\fB, int \fIwindow_bits\fP\fB);\fP +\fI\fB + \fBvoid png_set_crc_action (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcrit_action\fP\fB, int \fIancil_action\fP\fB);\fP +\fI\fB + \fBvoid png_set_dither (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fP\fInum_palette\fP\fB, int \fP\fImaximum_colors\fP\fB, png_uint_16p \fP\fIhistogram\fP\fB, int \fIfull_dither\fP\fB);\fP +\fI\fB + \fBvoid png_set_error_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarning_fn\fP\fB);\fP +\fI\fB + \fBvoid png_set_expand (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_expand_gray_1_2_4_to_8(png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_filler (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int \fIflags\fP\fB);\fP +\fI\fB + \fBvoid png_set_filter (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fImethod\fP\fB, int \fIfilters\fP\fB);\fP +\fI\fB + \fBvoid png_set_filter_heuristics (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIheuristic_method\fP\fB, int \fP\fInum_weights\fP\fB, png_doublep \fP\fIfilter_weights\fP\fB, png_doublep \fIfilter_costs\fP\fB);\fP +\fI\fB + \fBvoid png_set_flush (png_structp \fP\fIpng_ptr\fP\fB, int \fInrows\fP\fB);\fP +\fI\fB + \fBvoid png_set_gamma (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIscreen_gamma\fP\fB, double \fIdefault_file_gamma\fP\fB);\fP +\fI\fB + \fBvoid png_set_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP +\fI\fB + \fBvoid png_set_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIfile_gamma\fP\fB);\fP +\fI\fB + \fBvoid png_set_gray_1_2_4_to_8(png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_gray_to_rgb (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fIhist\fP\fB);\fP +\fI\fB + \fBvoid png_set_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, png_uint_32 \fIproflen\fP\fB);\fP +\fI\fB + \fBint png_set_interlace_handling (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_invalid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fImask\fP\fB);\fP +\fI\fB + \fBvoid png_set_invert_alpha (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_invert_mono (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIinterlace_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fIfilter_type\fP\fB);\fP +\fI\fB + \fBvoid png_set_keep_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIkeep\fP\fB, png_bytep \fP\fIchunk_list\fP\fB, int \fInum_chunks\fP\fB);\fP +\fI\fB + \fBvoid png_set_mem_fn(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP +\fI\fB + \fBvoid png_set_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIoffset_x\fP\fB, png_uint_32 \fP\fIoffset_y\fP\fB, int \fIunit_type\fP\fB);\fP +\fI\fB + \fBvoid png_set_packing (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_packswap (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_palette_to_rgb(png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP +\fI\fB + \fBvoid png_set_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIres_x\fP\fB, png_uint_32 \fP\fIres_y\fP\fB, int \fIunit_type\fP\fB);\fP +\fI\fB + \fBvoid png_set_progressive_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIprogressive_ptr\fP\fB, png_progressive_info_ptr \fP\fIinfo_fn\fP\fB, png_progressive_row_ptr \fP\fIrow_fn\fP\fB, png_progressive_end_ptr \fIend_fn\fP\fB);\fP +\fI\fB + \fBvoid png_set_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP +\fI\fB + \fBvoid png_set_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIio_ptr\fP\fB, png_rw_ptr \fIread_data_fn\fP\fB);\fP +\fI\fB + \fBvoid png_set_read_status_fn (png_structp \fP\fIpng_ptr\fP\fB, png_read_status_ptr \fIread_row_fn\fP\fB);\fP +\fI\fB + \fBvoid png_set_read_user_transform_fn (png_structp \fP\fIpng_ptr\fP\fB, png_user_transform_ptr \fIread_user_transform_fn\fP\fB);\fP +\fI\fB + \fBvoid png_set_rgb_to_gray (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIerror_action\fP\fB, double \fP\fIred\fP\fB, double \fIgreen\fP\fB);\fP +\fI\fB + \fBvoid png_set_rgb_to_gray_fixed (png_structp \fP\fIpng_ptr\fP\fB, int error_action png_fixed_point \fP\fIred\fP\fB, png_fixed_point \fIgreen\fP\fB);\fP +\fI\fB + \fBvoid png_set_rows (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytepp \fIrow_pointers\fP\fB);\fP +\fI\fB + \fBvoid png_set_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_8p \fIsig_bit\fP\fB);\fP +\fI\fB + \fBvoid png_set_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP +\fI\fB + \fBvoid png_set_shift (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fItrue_bits\fP\fB);\fP +\fI\fB + \fBvoid png_set_sig_bytes (png_structp \fP\fIpng_ptr\fP\fB, int \fInum_bytes\fP\fB);\fP +\fI\fB + \fBvoid png_set_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_spalette_p \fP\fIsplt_ptr\fP\fB, int \fInum_spalettes\fP\fB);\fP +\fI\fB + \fBvoid png_set_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fIintent\fP\fB);\fP +\fI\fB + \fBvoid png_set_sRGB_gAMA_and_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fIintent\fP\fB);\fP +\fI\fB + \fBvoid png_set_strip_16 (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_strip_alpha (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_swap (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_swap_alpha (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_set_text (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP +\fI\fB + \fBvoid png_set_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP +\fI\fB + \fBvoid png_set_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fP\fInum_trans\fP\fB, png_color_16p \fItrans_values\fP\fB);\fP +\fI\fB + \fBvoid png_set_tRNS_to_alpha(png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBpng_uint_32 png_set_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_unknown_chunkp \fP\fIunknowns\fP\fB, int \fP\fInum\fP\fB, int \fIlocation\fP\fB);\fP +\fI\fB + \fBvoid png_set_unknown_chunk_location(png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fIchunk\fP\fB, int \fIlocation\fP\fB);\fP +\fI\fB + \fBvoid png_set_read_user_chunk_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_chunk_ptr\fP\fB, png_user_chunk_ptr \fIread_user_chunk_fn\fP\fB);\fP +\fI\fB + \fBvoid png_set_user_limits (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIuser_width_max\fP\fB, png_uint_32 \fIuser_height_max\fP\fB);\fP +\fI\fB + \fBvoid png_set_user_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_transform_ptr\fP\fB, int \fP\fIuser_transform_depth\fP\fB, int \fIuser_transform_channels\fP\fB);\fP +\fI\fB + \fBvoid png_set_write_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIio_ptr\fP\fB, png_rw_ptr \fP\fIwrite_data_fn\fP\fB, png_flush_ptr \fIoutput_flush_fn\fP\fB);\fP +\fI\fB + \fBvoid png_set_write_status_fn (png_structp \fP\fIpng_ptr\fP\fB, png_write_status_ptr \fIwrite_row_fn\fP\fB);\fP +\fI\fB + \fBvoid png_set_write_user_transform_fn (png_structp \fP\fIpng_ptr\fP\fB, png_user_transform_ptr \fIwrite_user_transform_fn\fP\fB);\fP +\fI\fB + \fBvoid png_set_compression_buffer_size(png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP +\fI\fB + \fBint png_sig_cmp (png_bytep \fP\fIsig\fP\fB, png_size_t \fP\fIstart\fP\fB, png_size_t \fInum_to_check\fP\fB);\fP +\fI\fB + \fBvoid png_start_read_image (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_warning (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fImessage\fP\fB);\fP +\fI\fB + \fBvoid png_write_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIchunk_name\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP +\fI\fB + \fBvoid png_write_chunk_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP +\fI\fB + \fBvoid png_write_chunk_end (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_write_chunk_start (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIchunk_name\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + \fBvoid png_write_destroy (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_write_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_write_flush (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_write_image (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fIimage\fP\fB);\fP +\fI\fB + \fBDEPRECATED: void png_write_init (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + \fBDEPRECATED: void png_write_init_2 (png_structpp \fP\fIptr_ptr\fP\fB, png_const_charp \fP\fIuser_png_ver\fP\fB, png_size_t \fP\fIpng_struct_size\fP\fB, png_size_t \fIpng_info_size\fP\fB);\fP +\fI\fB + \fBvoid png_write_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_write_info_before_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + \fBvoid png_write_png (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fItransforms\fP\fB, png_voidp \fIparams\fP\fB);\fP +\fI\fB + \fBvoid png_write_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + \fBvoid png_write_rows (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fP\fIrow\fP\fB, png_uint_32 \fInum_rows\fP\fB);\fP +\fI\fB + \fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP +\fI\fB + \fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP +\fI\fB + .SH DESCRIPTION The .I libpng @@ -410,7 +821,7 @@ 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 1.2.30beta02 - June 25, 2008 + libpng version 1.2.30beta03 - July 6, 2008 Updated and distributed by Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Copyright (c) 1998-2008 Glenn Randers-Pehrson @@ -419,7 +830,7 @@ libpng.txt - A description on how to use and modify libpng Based on: - libpng versions 0.97, January 1998, through 1.2.30beta02 - June 25, 2008 + libpng versions 0.97, January 1998, through 1.2.30beta03 - July 6, 2008 Updated and distributed by Glenn Randers-Pehrson Copyright (c) 1998-2008 Glenn Randers-Pehrson @@ -3261,13 +3672,13 @@ application: .SH IX. Y2K Compliance in libpng -June 25, 2008 +July 6, 2008 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 1.2.30beta02 are Y2K compliant. It is my belief that earlier +upward through 1.2.30beta03 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 @@ -3500,7 +3911,7 @@ the first widely used release: 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] - 1.2.30beta01-02 13 10230 12.so.0.30[.0] + 1.2.30beta01-03 13 10230 12.so.0.30[.0] Henceforth the source version will match the shared-library minor and patch numbers; the shared-library major version number will be @@ -3556,7 +3967,7 @@ possible without all of you. Thanks to Frank J. T. Wojcik for helping with the documentation. -Libpng version 1.2.30beta02 - June 25, 2008: +Libpng version 1.2.30beta03 - July 6, 2008: Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc. Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net). @@ -3577,7 +3988,7 @@ 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 1.2.30beta02, June 25, 2008, are +libpng versions 1.2.6, August 15, 2004, through 1.2.30beta03, July 6, 2008, are Copyright (c) 2004,2006-2008 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 @@ -3676,7 +4087,7 @@ certification mark of the Open Source Initiative. Glenn Randers-Pehrson glennrp at users.sourceforge.net -June 25, 2008 +July 6, 2008 .\" end of man page diff --git a/libpngpf.3 b/libpngpf.3 index 9bfba1890..f6736f1d2 100644 --- a/libpngpf.3 +++ b/libpngpf.3 @@ -1,266 +1,782 @@ -.TH LIBPNGPF 3 "June 25, 2008" +.TH LIBPNGPF 3 "July 6, 2008" .SH NAME -libpng \- Portable Network Graphics (PNG) Reference Library 1.2.30beta02 +libpng \- Portable Network Graphics (PNG) Reference Library 1.2.30beta03 (private functions) .SH SYNOPSIS \fB#include <png.h>\fP +\fI\fB + +\fI\fB + \fBvoid png_build_gamma_table (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_build_grayscale_palette (int \fP\fIbit_depth\fP\fB, png_colorp \fIpalette\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_calculate_crc (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIptr\fP\fB, png_size_t \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_check_chunk_name (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP +\fI\fB + +\fI\fB + \fBpng_size_t png_check_keyword (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charpp \fInew_key\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fImask\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_correct_palette (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP +\fI\fB + +\fI\fB + \fBint png_crc_error (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBint png_crc_finish (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIskip\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_crc_read (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuf\fP\fB, png_size_t \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBpng_voidp png_create_struct (int \fItype\fP\fB);\fP +\fI\fB + +\fI\fB + \fBpng_voidp png_create_struct_2 (int \fP\fItype\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBpng_charp png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_charp \fP\fIchunkdata\fP\fB, png_size_t \fP\fIchunklength\fP\fB, png_size_t \fP\fIprefix_length\fP\fB, png_size_t \fI*data_length\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_destroy_struct (png_voidp \fIstruct_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_destroy_struct_2 (png_voidp \fP\fIstruct_ptr\fP\fB, png_free_ptr \fP\fIfree_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_background (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fP\fItrans_values\fP\fB, png_color_16p \fP\fIbackground\fP\fB, png_color_16p \fP\fIbackground_1\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_bytep \fP\fIgamma_from_1\fP\fB, png_bytep \fP\fIgamma_to_1\fP\fB, png_uint_16pp \fP\fIgamma_16\fP\fB, png_uint_16pp \fP\fIgamma_16_from_1\fP\fB, png_uint_16pp \fP\fIgamma_16_to_1\fP\fB, int \fIgamma_shift\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_bgr (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_chop (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_dither (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIpalette_lookup\fP\fB, png_bytep \fIdither_lookup\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_expand (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fItrans_value\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_expand_palette (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fInum_trans\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_gamma (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_uint_16pp \fP\fIgamma_16_table\fP\fB, int \fIgamma_shift\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_gray_to_rgb (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_invert (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_pack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIbit_depth\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_packswap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_read_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, png_uint_32 \fIflags\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_read_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fP\fIpass\fP\fB, png_uint_32 \fItransformations\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_read_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_read_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBint png_do_rgb_to_gray (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_shift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIbit_depth\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_strip_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIflags\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_swap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_unpack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_unshift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIsig_bits\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_write_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fIpass\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_write_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_write_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_do_write_transformations (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid *png_far_to_near (png_structp png_ptr,png_voidp \fP\fIptr\fP\fB, int \fIcheck\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_flush (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_IEND (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_iTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_info_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_init_mmx_flags (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_init_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_process_IDAT_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_process_some_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_check_crc (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_crc_finish (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_crc_skip (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_fill_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_have_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_have_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_have_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_process_row (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_read_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_read_IDAT (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_read_sig (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_read_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_read_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_restore_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_push_save_buffer (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + +\fBpng_uint_32 png_read_chunk_header (png_structp \fIpng_ptr\fP\fB);\fP + +\fI\fB + +\fI\fB + \fBvoid png_read_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_read_filter_row (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIprev_row\fP\fB, int \fIfilter\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_read_finish_row (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_read_push_finish_row (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_read_start_row (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_read_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_reset_crc (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBint png_set_text_2 (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_cHRM (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_filtered_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIfiltered_row\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_find_filter (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fIrow_info\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_finish_row (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_gAMA (png_structp \fP\fIpng_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIint_file_gamma\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_uint_16p \fP\fIhist\fP\fB, int \fInum_hist\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, int \fIproflen\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_IDAT (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_IEND (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fP\fIfilter_type\fP\fB, int \fIinterlace_type\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_iTXt (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcompression\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fIlang\fP\fB, png_charp \fP\fItranslated_key\fP\fB, png_charp \fItext\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_offset\fP\fB, png_uint_32 \fP\fIy_offset\fP\fB, int \fIunit_type\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_pixels_per_unit\fP\fB, png_uint_32 \fP\fIy_pixels_per_unit\fP\fB, int \fIunit_type\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_uint_32 \fInum_pal\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fP\fIsbit\fP\fB, int \fIcolor_type\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_sCAL_s (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, png_charp \fP\fIwidth\fP\fB, png_charp \fIheight\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_sig (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_sRGB (png_structp \fP\fIpng_ptr\fP\fB, int \fIintent\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_spalette_p \fIpalette\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_start_row (png_structp \fIpng_ptr\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fItext_len\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, png_color_16p \fP\fIvalues\fP\fB, int \fP\fInumber\fP\fB, int \fIcolor_type\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_write_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fP\fItext_len\fP\fB, int \fIcompression\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP +\fI\fB + +\fI\fB + \fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP \fI\fB +\fI\fB + .SH DESCRIPTION The functions listed above are used privately by libpng and are not recommended for use by applications. They are @@ -1,4 +1,4 @@ -.TH PNG 5 "June 25, 2008" +.TH PNG 5 "July 6, 2008" .SH NAME png \- Portable Network Graphics (PNG) format .SH DESCRIPTION @@ -1,9 +1,9 @@ /* png.c - location for general purpose libpng functions * - * Last changed in libpng 1.2.21 October 4, 2007 + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2007 Glenn Randers-Pehrson + * Copyright (c) 1998-2008 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.) */ @@ -13,7 +13,7 @@ #include "png.h" /* Generate a compiler error if there is an old png.h in the search path. */ -typedef version_1_2_30beta02 Your_png_h_is_not_version_1_2_30beta02; +typedef version_1_2_30beta03 Your_png_h_is_not_version_1_2_30beta03; /* Version information for C files. This had better match the version * string defined in png.h. */ @@ -314,7 +314,7 @@ png_info_init_3(png_infopp ptr_ptr, png_size_t png_info_struct_size) } /* set everything to 0 */ - png_memset(info_ptr, 0, png_sizeof (png_info)); + png_memset(info_ptr, 0, png_sizeof(png_info)); } #ifdef PNG_FREE_ME_SUPPORTED @@ -669,7 +669,7 @@ png_convert_to_rfc1123(png_structp png_ptr, png_timep ptime) #ifdef USE_FAR_KEYWORD { char near_time_buf[29]; - png_snprintf6(near_time_buf,29,"%d %s %d %02d:%02d:%02d +0000", + png_snprintf6(near_time_buf, 29, "%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); @@ -677,7 +677,7 @@ png_convert_to_rfc1123(png_structp png_ptr, png_timep ptime) 29*png_sizeof(char)); } #else - png_snprintf6(png_ptr->time_buffer,29,"%d %s %d %02d:%02d:%02d +0000", + png_snprintf6(png_ptr->time_buffer, 29, "%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); @@ -693,7 +693,7 @@ png_charp PNGAPI png_get_copyright(png_structp png_ptr) { png_ptr = png_ptr; /* silence compiler warning about unused png_ptr */ - return ((png_charp) "\n libpng version 1.2.30beta02 - June 25, 2008\n\ + return ((png_charp) "\n libpng version 1.2.30beta03 - July 6, 2008\n\ Copyright (c) 1998-2008 Glenn Randers-Pehrson\n\ Copyright (c) 1996-1997 Andreas Dilger\n\ Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n"); @@ -1,6 +1,6 @@ /* png.h - header file for PNG reference library * - * libpng version 1.2.30beta02 - June 25, 2008 + * libpng version 1.2.30beta03 - July 6, 2008 * Copyright (c) 1998-2008 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.) @@ -8,7 +8,7 @@ * 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 1.2.30beta02 - June 25, 2008: Glenn + * libpng versions 0.97, January 1998, through 1.2.30beta03 - July 6, 2008: Glenn * See also "Contributing Authors", below. * * Note about libpng version numbers: @@ -193,7 +193,7 @@ * 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] - * 1.2.30beta01-02 13 10230 12.so.0.30[.0] + * 1.2.30beta01-03 13 10230 12.so.0.30[.0] * * Henceforth the source version will match the shared-library major * and minor numbers; the shared-library major version number will be @@ -223,7 +223,7 @@ * If you modify libpng you may insert additional notices immediately following * this sentence. * - * libpng versions 1.2.6, August 15, 2004, through 1.2.30beta02, June 25, 2008, are + * libpng versions 1.2.6, August 15, 2004, through 1.2.30beta03, July 6, 2008, are * Copyright (c) 2004, 2006-2008 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: @@ -335,13 +335,13 @@ * Y2K compliance in libpng: * ========================= * - * June 25, 2008 + * July 6, 2008 * * 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 1.2.30beta02 are Y2K compliant. It is my belief that earlier + * upward through 1.2.30beta03 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 @@ -397,9 +397,9 @@ */ /* Version information for png.h - this should match the version in png.c */ -#define PNG_LIBPNG_VER_STRING "1.2.30beta02" +#define PNG_LIBPNG_VER_STRING "1.2.30beta03" #define PNG_HEADER_VERSION_STRING \ - " libpng version 1.2.30beta02 - June 25, 2008\n" + " libpng version 1.2.30beta03 - July 6, 2008\n" #define PNG_LIBPNG_VER_SONUM 0 #define PNG_LIBPNG_VER_DLLNUM 13 @@ -411,7 +411,7 @@ /* This should match the numeric part of the final component of * PNG_LIBPNG_VER_STRING, omitting any leading zero: */ -#define PNG_LIBPNG_VER_BUILD 02 +#define PNG_LIBPNG_VER_BUILD 03 /* Release Status */ #define PNG_LIBPNG_BUILD_ALPHA 1 @@ -1206,7 +1206,7 @@ struct png_struct_def png_uint_32 row_number; /* current row in interlace pass */ png_bytep prev_row; /* buffer to save previous (unfiltered) row */ png_bytep row_buf; /* buffer to save current (unfiltered) row */ -#ifndef PNG_NO_WRITE_FILTERING +#ifndef PNG_NO_WRITE_FILTER png_bytep sub_row; /* buffer to save "sub" row when filtering */ png_bytep up_row; /* buffer to save "up" row when filtering */ png_bytep avg_row; /* buffer to save "avg" row when filtering */ @@ -1446,13 +1446,14 @@ struct png_struct_def /* New members added in libpng-1.2.26 */ png_uint_32 old_big_row_buf_size, old_prev_row_size; + }; /* 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_2_30beta02; +typedef png_structp version_1_2_30beta03; typedef png_struct FAR * FAR * png_structpp; @@ -2647,6 +2648,7 @@ extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp png_ptr)); #endif + /* Maintainer: Put new public prototypes here ^, in libpng.3, and project defs */ #ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED @@ -3558,6 +3560,9 @@ 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)); + /* Maintainer: Put new private prototypes here ^ and in libpngpf.3 */ #endif /* PNG_INTERNAL */ @@ -1,7 +1,7 @@ /* pngconf.h - machine configurable file for libpng * - * libpng version 1.2.30beta02 - June 25, 2008 + * libpng version 1.2.30beta03 - July 6, 2008 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2008 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -1123,10 +1123,10 @@ typedef unsigned char png_byte; 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)) +# define png_sizeof(x) png_convert_size(sizeof(x)) #else typedef size_t png_size_t; -# define png_sizeof(x) sizeof (x) +# define png_sizeof(x) sizeof(x) #endif /* The following is needed for medium model support. It cannot be in the diff --git a/pngerror.c b/pngerror.c index b364fc00a..b3f4caa3a 100644 --- a/pngerror.c +++ b/pngerror.c @@ -1,9 +1,9 @@ /* pngerror.c - stub functions for i/o and memory allocation * - * Last changed in libpng 1.2.22 [October 13, 2007] + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2007 Glenn Randers-Pehrson + * Copyright (c) 1998-2008 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.) * @@ -15,8 +15,8 @@ #define PNG_INTERNAL #include "png.h" - #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) + static void /* PRIVATE */ png_default_error PNGARG((png_structp png_ptr, png_const_charp error_message)); @@ -231,7 +231,7 @@ png_default_error(png_structp png_ptr, png_const_charp error_message) error_message+offset); } else - fprintf(stderr, "libpng error: %s, offset=%d\n", error_message,offset); + fprintf(stderr, "libpng error: %s, offset=%d\n", error_message, offset); } else #endif @@ -1,16 +1,15 @@ /* pngget.c - retrieval of values from info struct * - * Last changed in libpng 1.2.15 January 5, 2007 + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2007 Glenn Randers-Pehrson + * Copyright (c) 1998-2008 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.) */ #define PNG_INTERNAL #include "png.h" - #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) png_uint_32 PNGAPI @@ -1,7 +1,7 @@ /* pngmem.c - stub functions for memory allocation * - * Last changed in libpng 1.2.27 [April 29, 2008] + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2008 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -16,7 +16,6 @@ #define PNG_INTERNAL #include "png.h" - #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) /* Borland DOS special memory handler */ @@ -210,7 +209,7 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size) png_ptr->offset_table = table; png_ptr->offset_table_ptr = farmalloc(num_blocks * - png_sizeof (png_bytep)); + png_sizeof(png_bytep)); if (png_ptr->offset_table_ptr == NULL) { @@ -369,7 +368,7 @@ png_create_struct_2(int type, png_malloc_ptr malloc_fn, png_voidp mem_ptr) struct_ptr = (png_voidp)farmalloc(size); #else # if defined(_MSC_VER) && defined(MAXSEG_64K) - struct_ptr = (png_voidp)halloc(size,1); + struct_ptr = (png_voidp)halloc(size, 1); # else struct_ptr = (png_voidp)malloc(size); # endif @@ -560,7 +559,7 @@ png_memcpy_check (png_structp png_ptr, png_voidp s1, png_voidp s2, size = (png_size_t)length; if ((png_uint_32)size != length) - png_error(png_ptr,"Overflow in png_memcpy_check."); + png_error(png_ptr, "Overflow in png_memcpy_check."); return(png_memcpy (s1, s2, size)); } @@ -573,7 +572,7 @@ png_memset_check (png_structp png_ptr, png_voidp s1, int value, size = (png_size_t)length; if ((png_uint_32)size != length) - png_error(png_ptr,"Overflow in png_memset_check."); + png_error(png_ptr, "Overflow in png_memset_check."); return (png_memset (s1, value, size)); diff --git a/pngpread.c b/pngpread.c index aa7151c4b..70a06f09a 100644 --- a/pngpread.c +++ b/pngpread.c @@ -1,7 +1,7 @@ /* pngpread.c - read a png file in push mode * - * Last changed in libpng 1.2.27 [April 29, 2008] + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2008 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -10,7 +10,6 @@ #define PNG_INTERNAL #include "png.h" - #ifdef PNG_PROGRESSIVE_READ_SUPPORTED /* push model modes */ @@ -210,7 +209,7 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr) } png_push_fill_buffer(png_ptr, chunk_length, 4); - png_ptr->push_length = png_get_uint_31(png_ptr,chunk_length); + png_ptr->push_length = png_get_uint_31(png_ptr, chunk_length); png_reset_crc(png_ptr); png_crc_read(png_ptr, png_ptr->chunk_name, 4); png_ptr->mode |= PNG_HAVE_CHUNK_HEADER; @@ -606,7 +605,7 @@ png_push_save_buffer(png_structp png_ptr) { if (png_ptr->save_buffer_ptr != png_ptr->save_buffer) { - png_size_t i,istop; + png_size_t i, istop; png_bytep sp; png_bytep dp; @@ -675,7 +674,7 @@ png_push_read_IDAT(png_structp png_ptr) } png_push_fill_buffer(png_ptr, chunk_length, 4); - png_ptr->push_length = png_get_uint_31(png_ptr,chunk_length); + png_ptr->push_length = png_get_uint_31(png_ptr, chunk_length); png_reset_crc(png_ptr); png_crc_read(png_ptr, png_ptr->chunk_name, 4); png_ptr->mode |= PNG_HAVE_CHUNK_HEADER; @@ -1020,37 +1019,32 @@ png_read_push_finish_row(png_structp png_ptr) png_ptr->rowbytes + 1); do { - int pass; - pass = png_ptr->pass; - pass++; - if ((pass == 1 && png_ptr->width < 5) || - (pass == 3 && png_ptr->width < 3) || - (pass == 5 && png_ptr->width < 2)) - pass++; - - if (pass > 7) - pass--; - png_ptr->pass = (png_byte) pass; - if (pass < 7) - { - png_ptr->iwidth = (png_ptr->width + - png_pass_inc[pass] - 1 - - png_pass_start[pass]) / - png_pass_inc[pass]; - - png_ptr->irowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, - png_ptr->iwidth) + 1; - - if (png_ptr->transformations & PNG_INTERLACE) - break; - - png_ptr->num_rows = (png_ptr->height + - png_pass_yinc[pass] - 1 - - png_pass_ystart[pass]) / - png_pass_yinc[pass]; - } - else - break; + png_ptr->pass++; + if ((png_ptr->pass == 1 && png_ptr->width < 5) || + (png_ptr->pass == 3 && png_ptr->width < 3) || + (png_ptr->pass == 5 && png_ptr->width < 2)) + png_ptr->pass++; + + if (png_ptr->pass > 7) + png_ptr->pass--; + if (png_ptr->pass >= 7) + break; + + png_ptr->iwidth = (png_ptr->width + + png_pass_inc[png_ptr->pass] - 1 - + png_pass_start[png_ptr->pass]) / + png_pass_inc[png_ptr->pass]; + + png_ptr->irowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, + png_ptr->iwidth) + 1; + + if (png_ptr->transformations & PNG_INTERLACE) + break; + + png_ptr->num_rows = (png_ptr->height + + png_pass_yinc[png_ptr->pass] - 1 - + png_pass_ystart[png_ptr->pass]) / + png_pass_yinc[png_ptr->pass]; } while (png_ptr->iwidth == 0 || png_ptr->num_rows == 0); } @@ -1064,7 +1058,8 @@ png_push_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 if (!(png_ptr->mode & PNG_HAVE_IHDR) || (png_ptr->mode & PNG_HAVE_IEND)) { png_error(png_ptr, "Out of place tEXt"); - info_ptr = info_ptr; /* to quiet some compiler warnings */ + /* to quiet some compiler warnings */ + if(info_ptr == NULL) return; } #ifdef PNG_MAX_MALLOC_64K @@ -1079,7 +1074,7 @@ png_push_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 #endif png_ptr->current_text = (png_charp)png_malloc(png_ptr, - (png_uint_32)(length+1)); + (png_uint_32)(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; @@ -1507,7 +1502,8 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 png_ptr->unknown_chunk.data = NULL; else { - png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr, length); + png_ptr->unknown_chunk.data = (png_bytep)png_malloc(png_ptr, + (png_uint_32)length); png_crc_read(png_ptr, (png_bytep)png_ptr->unknown_chunk.data, length); } #if defined(PNG_READ_USER_CHUNKS_SUPPORTED) @@ -1,7 +1,7 @@ /* pngread.c - read a PNG file * - * Last changed in libpng 1.2.25 [February 18, 2008] + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2008 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -13,7 +13,6 @@ #define PNG_INTERNAL #include "png.h" - #if defined(PNG_READ_SUPPORTED) /* Create a PNG structure for reading, and allocate any memory needed. */ @@ -79,7 +78,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr, return (NULL); } #ifdef USE_FAR_KEYWORD - png_memcpy(png_ptr->jmpbuf,jmpbuf,png_sizeof(jmp_buf)); + png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf)); #endif #endif @@ -164,7 +163,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr, #ifdef USE_FAR_KEYWORD if (setjmp(jmpbuf)) PNG_ABORT(); - png_memcpy(png_ptr->jmpbuf,jmpbuf,png_sizeof(jmp_buf)); + png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf)); #else if (setjmp(png_ptr->jmpbuf)) PNG_ABORT(); @@ -265,7 +264,7 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, #ifdef PNG_SETJMP_SUPPORTED /* save jump buffer and error functions */ - png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof (jmp_buf)); + png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf)); #endif if(png_sizeof(png_struct) > png_struct_size) @@ -276,11 +275,11 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, } /* reset all variables to 0 */ - png_memset(png_ptr, 0, png_sizeof (png_struct)); + 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)); + png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf)); #endif /* added at libpng-1.2.6 */ @@ -406,38 +405,31 @@ png_read_info(png_structp png_ptr, png_infop info_ptr) PNG_CONST PNG_zTXt; #endif #endif /* PNG_USE_LOCAL_ARRAYS */ - png_byte chunk_length[4]; - png_uint_32 length; - - png_read_data(png_ptr, chunk_length, 4); - length = png_get_uint_31(png_ptr,chunk_length); - - png_reset_crc(png_ptr); - png_crc_read(png_ptr, png_ptr->chunk_name, 4); + png_uint_32 length = png_read_chunk_header(png_ptr); + png_bytep chunk_name = png_ptr->chunk_name; - png_debug2(0, "Reading %s chunk, length=%lu.\n", png_ptr->chunk_name, - length); + chunk_name = png_ptr->chunk_name; /* This should be a binary subdivision search or a hash for * matching the chunk name rather than a linear search. */ - if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) + if (!png_memcmp(chunk_name, png_IDAT, 4)) if(png_ptr->mode & PNG_AFTER_IDAT) png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT; - if (!png_memcmp(png_ptr->chunk_name, png_IHDR, 4)) + if (!png_memcmp(chunk_name, png_IHDR, 4)) png_handle_IHDR(png_ptr, info_ptr, length); - else if (!png_memcmp(png_ptr->chunk_name, png_IEND, 4)) + else if (!png_memcmp(chunk_name, png_IEND, 4)) png_handle_IEND(png_ptr, info_ptr, length); #ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED - else if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name)) + else if (png_handle_as_unknown(png_ptr, chunk_name)) { - if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) + if (!png_memcmp(chunk_name, png_IDAT, 4)) png_ptr->mode |= PNG_HAVE_IDAT; png_handle_unknown(png_ptr, info_ptr, length); - if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4)) + if (!png_memcmp(chunk_name, png_PLTE, 4)) png_ptr->mode |= PNG_HAVE_PLTE; - else if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) + else if (!png_memcmp(chunk_name, png_IDAT, 4)) { if (!(png_ptr->mode & PNG_HAVE_IHDR)) png_error(png_ptr, "Missing IHDR before IDAT"); @@ -448,9 +440,9 @@ png_read_info(png_structp png_ptr, png_infop info_ptr) } } #endif - else if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4)) + else if (!png_memcmp(chunk_name, png_PLTE, 4)) png_handle_PLTE(png_ptr, info_ptr, length); - else if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) + else if (!png_memcmp(chunk_name, png_IDAT, 4)) { if (!(png_ptr->mode & PNG_HAVE_IHDR)) png_error(png_ptr, "Missing IHDR before IDAT"); @@ -463,71 +455,71 @@ png_read_info(png_structp png_ptr, png_infop info_ptr) break; } #if defined(PNG_READ_bKGD_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_bKGD, 4)) + else if (!png_memcmp(chunk_name, png_bKGD, 4)) png_handle_bKGD(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_cHRM_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_cHRM, 4)) + else if (!png_memcmp(chunk_name, png_cHRM, 4)) png_handle_cHRM(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_gAMA_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_gAMA, 4)) + else if (!png_memcmp(chunk_name, png_gAMA, 4)) png_handle_gAMA(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_hIST_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_hIST, 4)) + else if (!png_memcmp(chunk_name, png_hIST, 4)) png_handle_hIST(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_oFFs_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_oFFs, 4)) + else if (!png_memcmp(chunk_name, png_oFFs, 4)) png_handle_oFFs(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_pCAL_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_pCAL, 4)) + else if (!png_memcmp(chunk_name, png_pCAL, 4)) png_handle_pCAL(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_sCAL_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_sCAL, 4)) + else if (!png_memcmp(chunk_name, png_sCAL, 4)) png_handle_sCAL(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_pHYs_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_pHYs, 4)) + else if (!png_memcmp(chunk_name, png_pHYs, 4)) png_handle_pHYs(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_sBIT_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_sBIT, 4)) + else if (!png_memcmp(chunk_name, png_sBIT, 4)) png_handle_sBIT(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_sRGB_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_sRGB, 4)) + else if (!png_memcmp(chunk_name, png_sRGB, 4)) png_handle_sRGB(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_iCCP_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_iCCP, 4)) + else if (!png_memcmp(chunk_name, png_iCCP, 4)) png_handle_iCCP(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_sPLT_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_sPLT, 4)) + else if (!png_memcmp(chunk_name, png_sPLT, 4)) png_handle_sPLT(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_tEXt_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_tEXt, 4)) + else if (!png_memcmp(chunk_name, png_tEXt, 4)) png_handle_tEXt(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_tIME_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_tIME, 4)) + else if (!png_memcmp(chunk_name, png_tIME, 4)) png_handle_tIME(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_tRNS_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_tRNS, 4)) + else if (!png_memcmp(chunk_name, png_tRNS, 4)) png_handle_tRNS(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_zTXt_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_zTXt, 4)) + else if (!png_memcmp(chunk_name, png_zTXt, 4)) png_handle_zTXt(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_iTXt_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_iTXt, 4)) + else if (!png_memcmp(chunk_name, png_iTXt, 4)) png_handle_iTXt(png_ptr, info_ptr, length); #endif else @@ -703,15 +695,9 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row) { while (!png_ptr->idat_size) { - png_byte chunk_length[4]; - png_crc_finish(png_ptr, 0); - png_read_data(png_ptr, chunk_length, 4); - png_ptr->idat_size = png_get_uint_31(png_ptr,chunk_length); - - png_reset_crc(png_ptr); - png_crc_read(png_ptr, png_ptr->chunk_name, 4); + png_ptr->idat_size = png_read_chunk_header(png_ptr); if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) png_error(png_ptr, "Not enough image data"); } @@ -880,7 +866,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row, void PNGAPI png_read_image(png_structp png_ptr, png_bytepp image) { - png_uint_32 i,image_height; + png_uint_32 i, image_height; int pass, j; png_bytepp rp; @@ -986,33 +972,35 @@ png_read_end(png_structp png_ptr, png_infop info_ptr) PNG_CONST PNG_zTXt; #endif #endif /* PNG_USE_LOCAL_ARRAYS */ + png_bytep chunk_name; png_read_data(png_ptr, chunk_length, 4); - length = png_get_uint_31(png_ptr,chunk_length); + length = png_get_uint_31(png_ptr, chunk_length); png_reset_crc(png_ptr); png_crc_read(png_ptr, png_ptr->chunk_name, 4); + chunk_name = png_ptr->chunk_name; - png_debug1(0, "Reading %s chunk.\n", png_ptr->chunk_name); + png_debug1(0, "Reading %s chunk.\n", chunk_name); - if (!png_memcmp(png_ptr->chunk_name, png_IHDR, 4)) + if (!png_memcmp(chunk_name, png_IHDR, 4)) png_handle_IHDR(png_ptr, info_ptr, length); - else if (!png_memcmp(png_ptr->chunk_name, png_IEND, 4)) + else if (!png_memcmp(chunk_name, png_IEND, 4)) png_handle_IEND(png_ptr, info_ptr, length); #ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED - else if (png_handle_as_unknown(png_ptr, png_ptr->chunk_name)) + else if (png_handle_as_unknown(png_ptr, chunk_name)) { - if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) + 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_handle_unknown(png_ptr, info_ptr, length); - if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4)) + if (!png_memcmp(chunk_name, png_PLTE, 4)) png_ptr->mode |= PNG_HAVE_PLTE; } #endif - else if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4)) + else if (!png_memcmp(chunk_name, png_IDAT, 4)) { /* Zero length IDATs are legal after the last IDAT has been * read, but not after other chunks have been read. @@ -1021,74 +1009,74 @@ png_read_end(png_structp png_ptr, png_infop info_ptr) png_error(png_ptr, "Too many IDAT's found"); png_crc_finish(png_ptr, length); } - else if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4)) + else if (!png_memcmp(chunk_name, png_PLTE, 4)) png_handle_PLTE(png_ptr, info_ptr, length); #if defined(PNG_READ_bKGD_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_bKGD, 4)) + else if (!png_memcmp(chunk_name, png_bKGD, 4)) png_handle_bKGD(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_cHRM_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_cHRM, 4)) + else if (!png_memcmp(chunk_name, png_cHRM, 4)) png_handle_cHRM(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_gAMA_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_gAMA, 4)) + else if (!png_memcmp(chunk_name, png_gAMA, 4)) png_handle_gAMA(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_hIST_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_hIST, 4)) + else if (!png_memcmp(chunk_name, png_hIST, 4)) png_handle_hIST(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_oFFs_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_oFFs, 4)) + else if (!png_memcmp(chunk_name, png_oFFs, 4)) png_handle_oFFs(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_pCAL_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_pCAL, 4)) + else if (!png_memcmp(chunk_name, png_pCAL, 4)) png_handle_pCAL(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_sCAL_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_sCAL, 4)) + else if (!png_memcmp(chunk_name, png_sCAL, 4)) png_handle_sCAL(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_pHYs_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_pHYs, 4)) + else if (!png_memcmp(chunk_name, png_pHYs, 4)) png_handle_pHYs(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_sBIT_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_sBIT, 4)) + else if (!png_memcmp(chunk_name, png_sBIT, 4)) png_handle_sBIT(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_sRGB_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_sRGB, 4)) + else if (!png_memcmp(chunk_name, png_sRGB, 4)) png_handle_sRGB(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_iCCP_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_iCCP, 4)) + else if (!png_memcmp(chunk_name, png_iCCP, 4)) png_handle_iCCP(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_sPLT_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_sPLT, 4)) + else if (!png_memcmp(chunk_name, png_sPLT, 4)) png_handle_sPLT(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_tEXt_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_tEXt, 4)) + else if (!png_memcmp(chunk_name, png_tEXt, 4)) png_handle_tEXt(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_tIME_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_tIME, 4)) + else if (!png_memcmp(chunk_name, png_tIME, 4)) png_handle_tIME(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_tRNS_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_tRNS, 4)) + else if (!png_memcmp(chunk_name, png_tRNS, 4)) png_handle_tRNS(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_zTXt_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_zTXt, 4)) + else if (!png_memcmp(chunk_name, png_zTXt, 4)) png_handle_zTXt(png_ptr, info_ptr, length); #endif #if defined(PNG_READ_iTXt_SUPPORTED) - else if (!png_memcmp(png_ptr->chunk_name, png_iTXt, 4)) + else if (!png_memcmp(chunk_name, png_iTXt, 4)) png_handle_iTXt(png_ptr, info_ptr, length); #endif else @@ -1288,7 +1276,7 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr * being used again. */ #ifdef PNG_SETJMP_SUPPORTED - png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof (jmp_buf)); + png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf)); #endif error_fn = png_ptr->error_fn; @@ -1298,7 +1286,7 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr free_fn = png_ptr->free_fn; #endif - png_memset(png_ptr, 0, png_sizeof (png_struct)); + png_memset(png_ptr, 0, png_sizeof(png_struct)); png_ptr->error_fn = error_fn; png_ptr->warning_fn = warning_fn; @@ -1308,7 +1296,7 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr #endif #ifdef PNG_SETJMP_SUPPORTED - png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof (jmp_buf)); + png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf)); #endif } @@ -1343,7 +1331,7 @@ png_read_png(png_structp png_ptr, png_infop info_ptr, */ png_read_info(png_ptr, info_ptr); if (info_ptr->height > PNG_UINT_32_MAX/png_sizeof(png_bytep)) - png_error(png_ptr,"Image is too high to process with png_read_png()"); + png_error(png_ptr, "Image is too high to process with png_read_png()"); /* -------------- image transformations start here ------------------- */ @@ -1,9 +1,9 @@ /* pngrio.c - functions for data input * - * Last changed in libpng 1.2.13 November 13, 2006 + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2006 Glenn Randers-Pehrson + * Copyright (c) 1998-2008 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.) * @@ -17,7 +17,6 @@ #define PNG_INTERNAL #include "png.h" - #if defined(PNG_READ_SUPPORTED) /* Read the data from whatever input you are using. The default routine @@ -28,7 +27,7 @@ void /* PRIVATE */ png_read_data(png_structp png_ptr, png_bytep data, png_size_t length) { - png_debug1(4,"reading %d bytes\n", (int)length); + png_debug1(4, "reading %d bytes\n", (int)length); if (png_ptr->read_data_fn != NULL) (*(png_ptr->read_data_fn))(png_ptr, data, length); else diff --git a/pngrtran.c b/pngrtran.c index 873b22cf3..7e51bfcfb 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 1.2.27 [April 29, 2008] + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2008 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -15,7 +15,6 @@ #define PNG_INTERNAL #include "png.h" - #if defined(PNG_READ_SUPPORTED) /* Set the action on getting a CRC error for an ancillary or critical chunk. */ @@ -39,7 +38,8 @@ png_set_crc_action(png_structp png_ptr, int crit_action, int ancil_action) PNG_FLAG_CRC_CRITICAL_IGNORE; 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."); + png_warning(png_ptr, + "Can't discard critical data on CRC error."); case PNG_CRC_ERROR_QUIT: /* error/quit */ case PNG_CRC_DEFAULT: default: @@ -151,7 +151,7 @@ png_set_dither(png_structp png_ptr, png_colorp palette, int i; png_ptr->dither_index = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(num_palette * png_sizeof (png_byte))); + (png_uint_32)(num_palette * png_sizeof(png_byte))); for (i = 0; i < num_palette; i++) png_ptr->dither_index[i] = (png_byte)i; } @@ -167,7 +167,7 @@ png_set_dither(png_structp png_ptr, png_colorp palette, /* initialize an array to sort colors */ png_ptr->dither_sort = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(num_palette * png_sizeof (png_byte))); + (png_uint_32)(num_palette * png_sizeof(png_byte))); /* initialize the dither_sort array */ for (i = 0; i < num_palette; i++) @@ -296,9 +296,9 @@ png_set_dither(png_structp png_ptr, png_colorp palette, /* initialize palette index arrays */ png_ptr->index_to_palette = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(num_palette * png_sizeof (png_byte))); + (png_uint_32)(num_palette * png_sizeof(png_byte))); png_ptr->palette_to_index = (png_bytep)png_malloc(png_ptr, - (png_uint_32)(num_palette * png_sizeof (png_byte))); + (png_uint_32)(num_palette * png_sizeof(png_byte))); /* initialize the sort array */ for (i = 0; i < num_palette; i++) @@ -308,10 +308,10 @@ png_set_dither(png_structp png_ptr, png_colorp palette, } hash = (png_dsortpp)png_malloc(png_ptr, (png_uint_32)(769 * - png_sizeof (png_dsortp))); + png_sizeof(png_dsortp))); for (i = 0; i < 769; i++) hash[i] = NULL; -/* png_memset(hash, 0, 769 * png_sizeof (png_dsortp)); */ +/* png_memset(hash, 0, 769 * png_sizeof(png_dsortp)); */ num_new_palette = num_palette; @@ -459,10 +459,10 @@ png_set_dither(png_structp png_ptr, png_colorp palette, png_size_t num_entries = ((png_size_t)1 << total_bits); png_ptr->palette_lookup = (png_bytep )png_malloc(png_ptr, - (png_uint_32)(num_entries * png_sizeof (png_byte))); + (png_uint_32)(num_entries * png_sizeof(png_byte))); png_memset(png_ptr->palette_lookup, 0, num_entries * - png_sizeof (png_byte)); + png_sizeof(png_byte)); distance = (png_bytep)png_malloc(png_ptr, (png_uint_32)(num_entries * png_sizeof(png_byte))); @@ -659,7 +659,8 @@ png_set_rgb_to_gray_fixed(png_structp png_ptr, int error_action, png_ptr->transformations |= PNG_EXPAND; #else { - png_warning(png_ptr, "Cannot do RGB_TO_GRAY without EXPAND_SUPPORTED."); + png_warning(png_ptr, + "Cannot do RGB_TO_GRAY without EXPAND_SUPPORTED."); png_ptr->transformations &= ~PNG_RGB_TO_GRAY; } #endif @@ -818,7 +819,7 @@ png_init_read_transformations(png_structp png_ptr) { /* invert the alpha channel (in tRNS) unless the pixels are going to be expanded, in which case leave it for later */ - int i,istop; + int i, istop; istop=(int)png_ptr->num_trans; for (i=0; i<istop; i++) png_ptr->trans[i] = (png_byte)(255 - png_ptr->trans[i]); @@ -839,7 +840,7 @@ png_init_read_transformations(png_structp png_ptr) && (fabs(png_ptr->screen_gamma * png_ptr->gamma - 1.0) < PNG_GAMMA_THRESHOLD)) { - int i,k; + int i, k; k=0; for (i=0; i<png_ptr->num_trans; i++) { @@ -1251,7 +1252,7 @@ defined(PNG_READ_USER_TRANSFORM_SUPPORTED) info_ptr->pixel_depth = (png_byte)(info_ptr->channels * info_ptr->bit_depth); - info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth,info_ptr->width); + info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, info_ptr->width); #if !defined(PNG_READ_EXPAND_SUPPORTED) if(png_ptr) @@ -1273,7 +1274,7 @@ png_do_read_transformations(png_structp png_ptr) char msg[50]; png_snprintf2(msg, 50, - "NULL row buffer for row %ld, pass %d", png_ptr->row_number, + "NULL row buffer for row %ld, pass %d", (long)png_ptr->row_number, png_ptr->pass); png_error(png_ptr, msg); #else @@ -2202,7 +2203,7 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row) row_info->color_type |= PNG_COLOR_MASK_COLOR; row_info->pixel_depth = (png_byte)(row_info->channels * row_info->bit_depth); - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,row_width); + row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); } } #endif @@ -2210,8 +2211,11 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row) #if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED) /* reduce RGB files to grayscale, with or without alpha * using the equation given in Poynton's ColorFAQ at - * <http://www.inforamp.net/~poynton/> + * <http://www.inforamp.net/~poynton/> (THIS LINK IS DEAD June 2008) * Copyright (c) 1998-01-04 Charles Poynton poynton at inforamp.net + * New links: + * <http://www.poynton.com/notes/colour_and_gamma/> + * Copyright (c) 2006-11-28 Charles Poynton poynton at poynton.com * * Y = 0.212671 * R + 0.715160 * G + 0.072169 * B * @@ -2455,7 +2459,7 @@ png_do_rgb_to_gray(png_structp png_ptr, png_row_infop row_info, png_bytep row) row_info->color_type &= ~PNG_COLOR_MASK_COLOR; row_info->pixel_depth = (png_byte)(row_info->channels * row_info->bit_depth); - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,row_width); + row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); } return rgb_error; } @@ -3373,7 +3377,7 @@ png_do_background(png_row_infop row_info, png_bytep row, row_info->channels--; row_info->pixel_depth = (png_byte)(row_info->channels * row_info->bit_depth); - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,row_width); + row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); } } } @@ -3911,7 +3915,7 @@ png_do_expand(png_row_infop row_info, png_bytep row, row_info->color_type = PNG_COLOR_TYPE_RGB_ALPHA; row_info->channels = 4; row_info->pixel_depth = (png_byte)(row_info->bit_depth << 2); - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,row_width); + row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); } } } @@ -3964,7 +3968,7 @@ png_do_dither(png_row_infop row_info, png_bytep row, row_info->color_type = PNG_COLOR_TYPE_PALETTE; row_info->channels = 1; row_info->pixel_depth = row_info->bit_depth; - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,row_width); + row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); } else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA && palette_lookup != NULL && row_info->bit_depth == 8) @@ -3993,7 +3997,7 @@ png_do_dither(png_row_infop row_info, png_bytep row, row_info->color_type = PNG_COLOR_TYPE_PALETTE; row_info->channels = 1; row_info->pixel_depth = row_info->bit_depth; - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,row_width); + row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width); } else if (row_info->color_type == PNG_COLOR_TYPE_PALETTE && dither_lookup && row_info->bit_depth == 8) @@ -4122,7 +4126,7 @@ png_build_gamma_table(png_structp png_ptr) g = 1.0; png_ptr->gamma_16_table = (png_uint_16pp)png_malloc(png_ptr, - (png_uint_32)(num * png_sizeof (png_uint_16p))); + (png_uint_32)(num * png_sizeof(png_uint_16p))); if (png_ptr->transformations & (PNG_16_TO_8 | PNG_BACKGROUND)) { @@ -4132,7 +4136,7 @@ png_build_gamma_table(png_structp png_ptr) for (i = 0; i < num; i++) { png_ptr->gamma_16_table[i] = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(256 * png_sizeof (png_uint_16))); + (png_uint_32)(256 * png_sizeof(png_uint_16))); } g = 1.0 / g; @@ -4162,7 +4166,7 @@ png_build_gamma_table(png_structp png_ptr) for (i = 0; i < num; i++) { png_ptr->gamma_16_table[i] = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(256 * png_sizeof (png_uint_16))); + (png_uint_32)(256 * png_sizeof(png_uint_16))); ig = (((png_uint_32)i * (png_uint_32)png_gamma_shift[shift]) >> 4); for (j = 0; j < 256; j++) @@ -4182,12 +4186,12 @@ png_build_gamma_table(png_structp png_ptr) g = 1.0 / (png_ptr->gamma); png_ptr->gamma_16_to_1 = (png_uint_16pp)png_malloc(png_ptr, - (png_uint_32)(num * png_sizeof (png_uint_16p ))); + (png_uint_32)(num * png_sizeof(png_uint_16p ))); for (i = 0; i < num; i++) { png_ptr->gamma_16_to_1[i] = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(256 * png_sizeof (png_uint_16))); + (png_uint_32)(256 * png_sizeof(png_uint_16))); ig = (((png_uint_32)i * (png_uint_32)png_gamma_shift[shift]) >> 4); @@ -4205,12 +4209,12 @@ png_build_gamma_table(png_structp png_ptr) g = png_ptr->gamma; /* probably doing rgb_to_gray */ png_ptr->gamma_16_from_1 = (png_uint_16pp)png_malloc(png_ptr, - (png_uint_32)(num * png_sizeof (png_uint_16p))); + (png_uint_32)(num * png_sizeof(png_uint_16p))); for (i = 0; i < num; i++) { png_ptr->gamma_16_from_1[i] = (png_uint_16p)png_malloc(png_ptr, - (png_uint_32)(256 * png_sizeof (png_uint_16))); + (png_uint_32)(256 * png_sizeof(png_uint_16))); ig = (((png_uint_32)i * (png_uint_32)png_gamma_shift[shift]) >> 4); diff --git a/pngrutil.c b/pngrutil.c index 531cb0570..62fc605eb 100644 --- a/pngrutil.c +++ b/pngrutil.c @@ -1,7 +1,7 @@ /* pngrutil.c - utilities to read a PNG file * - * Last changed in libpng 1.2.27 [April 29, 2008] + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2008 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -13,7 +13,6 @@ #define PNG_INTERNAL #include "png.h" - #if defined(PNG_READ_SUPPORTED) #if defined(_WIN32_WCE) && (_WIN32_WCE<0x500) @@ -30,7 +29,7 @@ __inline double png_strtod(png_structp png_ptr, PNG_CONST char *nptr, char **end wchar_t *str, *end; len = MultiByteToWideChar(CP_ACP, 0, nptr, -1, NULL, 0); - str = (wchar_t *)png_malloc(png_ptr, len * sizeof(wchar_t)); + str = (wchar_t *)png_malloc(png_ptr, len * png_sizeof(wchar_t)); if ( NULL != str ) { MultiByteToWideChar(CP_ACP, 0, nptr, -1, str, len); @@ -49,7 +48,15 @@ __inline double png_strtod(png_structp png_ptr, PNG_CONST char *nptr, char **end 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."); return (i); @@ -92,6 +99,32 @@ png_get_uint_16(png_bytep buf) } #endif /* PNG_READ_BIG_ENDIAN_SUPPORTED */ +/* Read the chunk header (length + type name). + * Put the type name into png_ptr->chunk_name, and return the length. + */ +png_uint_32 /* PRIVATE */ +png_read_chunk_header(png_structp png_ptr) +{ + png_byte buf[8]; + png_uint_32 length; + + /* read the length and the chunk name */ + png_read_data(png_ptr, buf, 8); + length = png_get_uint_31(png_ptr, buf); + + /* put the chunk name into png_ptr->chunk_name */ + png_memcpy(png_ptr->chunk_name, buf + 4, 4); + + png_debug2(0, "Reading %s chunk, length = %lu\n", + png_ptr->chunk_name, length); + + /* reset the crc and run it over the chunk name */ + png_reset_crc(png_ptr); + png_calculate_crc(png_ptr, png_ptr->chunk_name, 4); + + return length; +} + /* Read data, and (optionally) run it through the CRC. */ void /* PRIVATE */ png_crc_read(png_structp png_ptr, png_bytep buf, png_size_t length) @@ -218,8 +251,8 @@ png_decompress_chunk(png_structp png_ptr, int comp_type, text = (png_charp)png_malloc_warn(png_ptr, text_size); if (text == NULL) { - png_free(png_ptr,chunkdata); - png_error(png_ptr,"Not enough memory to decompress chunk"); + png_free(png_ptr, chunkdata); + png_error(png_ptr, "Not enough memory to decompress chunk"); } png_memcpy(text, chunkdata, prefix_size); } @@ -242,8 +275,9 @@ png_decompress_chunk(png_structp png_ptr, int comp_type, text = (png_charp)png_malloc_warn(png_ptr, text_size + 1); if (text == NULL) { - png_free(png_ptr,chunkdata); - png_error(png_ptr,"Not enough memory to decompress chunk."); + png_free(png_ptr, chunkdata); + png_error(png_ptr, + "Not enough memory to decompress chunk."); } png_memcpy(text + prefix_size, png_ptr->zbuf, text_size - prefix_size); @@ -262,7 +296,8 @@ png_decompress_chunk(png_structp png_ptr, int comp_type, { png_free(png_ptr, tmp); png_free(png_ptr, chunkdata); - png_error(png_ptr,"Not enough memory to decompress chunk.."); + png_error(png_ptr, + "Not enough memory to decompress chunk.."); } png_memcpy(text, tmp, text_size); png_free(png_ptr, tmp); @@ -309,7 +344,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type, if (text == NULL) { png_free(png_ptr, chunkdata); - png_error(png_ptr,"Not enough memory for text."); + png_error(png_ptr, "Not enough memory for text."); } png_memcpy(text, chunkdata, prefix_size); } @@ -406,10 +441,10 @@ png_handle_IHDR(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) /* set up other useful info */ png_ptr->pixel_depth = (png_byte)(png_ptr->bit_depth * png_ptr->channels); - png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,png_ptr->width); - png_debug1(3,"bit_depth = %d\n", png_ptr->bit_depth); - png_debug1(3,"channels = %d\n", png_ptr->channels); - png_debug1(3,"rowbytes = %lu\n", png_ptr->rowbytes); + png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, png_ptr->width); + png_debug1(3, "bit_depth = %d\n", png_ptr->bit_depth); + png_debug1(3, "channels = %d\n", png_ptr->channels); + png_debug1(3, "rowbytes = %lu\n", png_ptr->rowbytes); png_set_IHDR(png_ptr, info_ptr, width, height, bit_depth, color_type, interlace_type, compression_type, filter_type); } @@ -571,7 +606,7 @@ png_handle_IEND(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) } png_crc_finish(png_ptr, length); - info_ptr =info_ptr; /* quiet compiler warnings about unused info_ptr */ + info_ptr = info_ptr; /* quiet compiler warnings about unused info_ptr */ } #if defined(PNG_READ_gAMA_SUPPORTED) @@ -854,14 +889,14 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) "Ignoring incorrect cHRM value when sRGB is also present"); #ifndef PNG_NO_CONSOLE_IO #ifdef PNG_FLOATING_POINT_SUPPORTED - fprintf(stderr,"wx=%f, wy=%f, rx=%f, ry=%f\n", + fprintf(stderr, "wx=%f, wy=%f, rx=%f, ry=%f\n", white_x, white_y, red_x, red_y); - fprintf(stderr,"gx=%f, gy=%f, bx=%f, by=%f\n", + fprintf(stderr, "gx=%f, gy=%f, bx=%f, by=%f\n", green_x, green_y, blue_x, blue_y); #else - fprintf(stderr,"wx=%ld, wy=%ld, rx=%ld, ry=%ld\n", + fprintf(stderr, "wx=%ld, wy=%ld, rx=%ld, ry=%ld\n", int_x_white, int_y_white, int_x_red, int_y_red); - fprintf(stderr,"gx=%ld, gy=%ld, bx=%ld, by=%ld\n", + fprintf(stderr, "gx=%ld, gy=%ld, bx=%ld, by=%ld\n", int_x_green, int_y_green, int_x_blue, int_y_blue); #endif #endif /* PNG_NO_CONSOLE_IO */ @@ -949,10 +984,11 @@ png_handle_sRGB(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) "Ignoring incorrect gAMA value when sRGB is also present"); #ifndef PNG_NO_CONSOLE_IO # ifdef PNG_FIXED_POINT_SUPPORTED - fprintf(stderr,"incorrect gamma=(%d/100000)\n",(int)png_ptr->int_gamma); + fprintf(stderr, "incorrect gamma=(%d/100000)\n", + (int)png_ptr->int_gamma); # else # ifdef PNG_FLOATING_POINT_SUPPORTED - fprintf(stderr,"incorrect gamma=%f\n",png_ptr->gamma); + fprintf(stderr, "incorrect gamma=%f\n", png_ptr->gamma); # endif # endif #endif @@ -1973,7 +2009,7 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) there is no hard and fast rule to tell us where to stop. */ if (length > (png_uint_32)65535L) { - png_warning(png_ptr,"zTXt chunk too large to fit in memory"); + png_warning(png_ptr, "zTXt chunk too large to fit in memory"); png_crc_finish(png_ptr, length); return; } @@ -1982,7 +2018,7 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) chunkdata = (png_charp)png_malloc_warn(png_ptr, length + 1); if (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; @@ -2024,7 +2060,7 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) (png_uint_32)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, chunkdata); return; } @@ -2073,7 +2109,7 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) there is no hard and fast rule to tell us where to stop. */ if (length > (png_uint_32)65535L) { - png_warning(png_ptr,"iTXt chunk too large to fit in memory"); + png_warning(png_ptr, "iTXt chunk too large to fit in memory"); png_crc_finish(png_ptr, length); return; } @@ -2148,7 +2184,7 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) (png_uint_32)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, chunkdata); return; } @@ -2298,7 +2334,7 @@ png_check_chunk_name(png_structp png_ptr, png_bytep chunk_name) void /* PRIVATE */ png_combine_row(png_structp png_ptr, png_bytep row, int mask) { - png_debug(1,"in png_combine_row\n"); + png_debug(1, "in png_combine_row\n"); if (mask == 0xff) { png_memcpy(row, png_ptr->row_buf + 1, @@ -2514,7 +2550,7 @@ png_do_read_interlace(png_structp png_ptr) PNG_CONST int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1}; #endif - png_debug(1,"in png_do_read_interlace\n"); + png_debug(1, "in png_do_read_interlace\n"); if (row != NULL && row_info != NULL) { png_uint_32 final_width; @@ -2715,7 +2751,7 @@ png_do_read_interlace(png_structp png_ptr) } } row_info->width = final_width; - row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,final_width); + row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, final_width); } #if !defined(PNG_READ_PACKSWAP_SUPPORTED) transformations = transformations; /* silence compiler warning */ @@ -2728,7 +2764,7 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep row, png_bytep prev_row, int filter) { png_debug(1, "in png_read_filter_row\n"); - png_debug2(2,"row = %lu, filter = %d\n", png_ptr->row_number, filter); + png_debug2(2, "row = %lu, filter = %d\n", png_ptr->row_number, filter); switch (filter) { case PNG_FILTER_VALUE_NONE: @@ -3019,7 +3055,7 @@ png_read_start_row(png_structp png_ptr) png_pass_start[png_ptr->pass]) / png_pass_inc[png_ptr->pass]; - row_bytes = PNG_ROWBYTES(png_ptr->pixel_depth,png_ptr->iwidth) + 1; + row_bytes = PNG_ROWBYTES(png_ptr->pixel_depth, png_ptr->iwidth) + 1; png_ptr->irowbytes = (png_size_t)row_bytes; if((png_uint_32)png_ptr->irowbytes != row_bytes) @@ -3139,7 +3175,7 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) row_bytes = ((png_ptr->width + 7) & ~((png_uint_32)7)); /* calculate the maximum bytes needed, adding a byte and a pixel for safety's sake */ - row_bytes = PNG_ROWBYTES(max_pixel_depth,row_bytes) + + row_bytes = PNG_ROWBYTES(max_pixel_depth, row_bytes) + 1 + ((max_pixel_depth + 7) >> 3); #ifdef PNG_MAX_MALLOC_64K if (row_bytes > (png_uint_32)65536L) @@ -3148,7 +3184,7 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) if(row_bytes + 64 > png_ptr->old_big_row_buf_size) { - png_free(png_ptr,png_ptr->big_row_buf); + png_free(png_ptr, png_ptr->big_row_buf); png_ptr->big_row_buf = (png_bytep)png_malloc(png_ptr, row_bytes+64); png_ptr->row_buf = png_ptr->big_row_buf+32; png_ptr->old_big_row_buf_size = row_bytes+64; @@ -3163,7 +3199,7 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) if(png_ptr->rowbytes+1 > png_ptr->old_prev_row_size) { - png_free(png_ptr,png_ptr->prev_row); + png_free(png_ptr, png_ptr->prev_row); png_ptr->prev_row = (png_bytep)png_malloc(png_ptr, (png_uint_32)( png_ptr->rowbytes + 1)); png_ptr->old_prev_row_size = png_ptr->rowbytes+1; @@ -1,7 +1,7 @@ /* pngset.c - storage of image information into info struct * - * Last changed in libpng 1.2.27 [April 29, 2008] + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2008 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -15,7 +15,6 @@ #define PNG_INTERNAL #include "png.h" - #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) #if defined(PNG_bKGD_SUPPORTED) @@ -238,7 +237,7 @@ png_set_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_16p hist) /* 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_uint_32)(PNG_MAX_PALETTE_LENGTH * png_sizeof(png_uint_16))); if (png_ptr->hist == NULL) { png_warning(png_ptr, "Insufficient memory for hIST chunk data."); @@ -320,7 +319,7 @@ png_set_IHDR(png_structp png_ptr, png_infop info_ptr, * 5. The color_type is RGB or RGBA */ if((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&png_ptr->mng_features_permitted) - png_warning(png_ptr,"MNG features are not allowed in a PNG datastream"); + png_warning(png_ptr, "MNG features are not allowed in a PNG datastream"); if(filter_type != PNG_FILTER_TYPE_BASE) { if(!((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) && @@ -363,7 +362,7 @@ png_set_IHDR(png_structp png_ptr, png_infop info_ptr, - 8) /* extra max_pixel_depth pad */ info_ptr->rowbytes = (png_size_t)0; else - info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth,width); + info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width); } #if defined(PNG_oFFs_SUPPORTED) @@ -564,7 +563,7 @@ png_set_PLTE(png_structp png_ptr, png_infop info_ptr, PNG_MAX_PALETTE_LENGTH * png_sizeof(png_color)); png_memset(png_ptr->palette, 0, PNG_MAX_PALETTE_LENGTH * png_sizeof(png_color)); - png_memcpy(png_ptr->palette, palette, num_palette * png_sizeof (png_color)); + 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; @@ -586,7 +585,7 @@ png_set_sBIT(png_structp png_ptr, png_infop info_ptr, if (png_ptr == NULL || info_ptr == NULL) return; - png_memcpy(&(info_ptr->sig_bit), sig_bit, png_sizeof (png_color_8)); + png_memcpy(&(info_ptr->sig_bit), sig_bit, png_sizeof(png_color_8)); info_ptr->valid |= PNG_INFO_sBIT; } #endif @@ -757,7 +756,7 @@ png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr, 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_uint_32)(info_ptr->max_text * png_sizeof(png_text))); if (info_ptr->text == NULL) { png_free(png_ptr, old_text); @@ -772,7 +771,7 @@ png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr, 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_uint_32)(info_ptr->max_text * png_sizeof(png_text))); if (info_ptr->text == NULL) return(1); #ifdef PNG_FREE_ME_SUPPORTED @@ -784,8 +783,8 @@ png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr, } for (i = 0; i < num_text; i++) { - png_size_t text_length,key_len; - png_size_t lang_len,lang_key_len; + png_size_t text_length, key_len; + png_size_t lang_len, lang_key_len; png_textp textp = &(info_ptr->text[info_ptr->num_text]); if (text_ptr[i].key == NULL) @@ -900,7 +899,7 @@ png_set_tIME(png_structp png_ptr, png_infop info_ptr, png_timep mod_time) (png_ptr->mode & PNG_WROTE_tIME)) return; - png_memcpy(&(info_ptr->mod_time), mod_time, png_sizeof (png_time)); + png_memcpy(&(info_ptr->mod_time), mod_time, png_sizeof(png_time)); info_ptr->valid |= PNG_INFO_tIME; } #endif @@ -1006,7 +1005,7 @@ png_set_sPLT(png_structp png_ptr, { png_warning(png_ptr, "Out of memory while processing sPLT chunk"); - png_free(png_ptr,to->name); + png_free(png_ptr, to->name); to->name = NULL; continue; } @@ -1,7 +1,7 @@ /* pngtest.c - a simple test program to test libpng * - * Last changed in libpng 1.2.27 - [April 29, 2008] + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2008 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -37,7 +37,7 @@ # include <windows.h> # include <stdlib.h> # define READFILE(file, data, length, check) \ - if (ReadFile(file, data, length, &check,NULL)) check = 0 + 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) @@ -45,9 +45,9 @@ # include <stdio.h> # include <stdlib.h> # define READFILE(file, data, length, check) \ - check=(png_size_t)fread(data,(png_size_t)1,length,file) + 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) + check=(png_size_t)fwrite(data, (png_size_t)1, length, file) # define FCLOSE(file) fclose(file) #endif @@ -99,11 +99,6 @@ int test_one_file PNGARG((PNG_CONST char *inname, PNG_CONST char *outname)); /* #define STDERR stderr */ #define STDERR stdout /* for DOS */ -/* example of using row callbacks to make a simple progress meter */ -static int status_pass=1; -static int status_dots_requested=0; -static int status_dots=1; - /* In case a system header (e.g., on AIX) defined jmpbuf */ #ifdef jmpbuf # undef jmpbuf @@ -114,6 +109,11 @@ static int status_dots=1; # define png_jmpbuf(png_ptr) png_ptr->jmpbuf #endif +/* example of using row callbacks to make a simple progress meter */ +static int status_pass=1; +static int status_dots_requested=0; +static int status_dots=1; + void #ifdef PNG_1_0_X PNGAPI @@ -128,7 +128,7 @@ 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; if(status_pass != pass) { - fprintf(stdout,"\n Pass %d: ",pass); + fprintf(stdout, "\n Pass %d: ", pass); status_pass = pass; status_dots = 31; } @@ -511,7 +511,7 @@ png_debug_malloc(png_structp png_ptr, png_uint_32 size) 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_uint_32)png_sizeof(*pinfo)); pinfo->size = size; current_allocation += size; total_allocation += size; @@ -534,7 +534,7 @@ png_debug_malloc(png_structp png_ptr, png_uint_32 size) /* Make sure the caller isn't assuming zeroed memory. */ png_memset(pinfo->pointer, 0xdd, pinfo->size); if(verbose) - printf("png_malloc %lu bytes at %x\n",(unsigned long)size, + printf("png_malloc %lu bytes at %x\n", (unsigned long)size, pinfo->pointer); return (png_voidp)(pinfo->pointer); } @@ -584,13 +584,80 @@ png_debug_free(png_structp png_ptr, png_voidp ptr) /* Finally free the data. */ if(verbose) - printf("Freeing %x\n",ptr); + printf("Freeing %x\n", ptr); png_free_default(png_ptr, ptr); ptr=NULL; } #endif /* PNG_USER_MEM_SUPPORTED && PNG_DEBUG */ /* END of code to test memory allocation/deallocation */ + +/* Demonstration of user chunk support of the sTER and vpAg chunks */ +#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) + +/* (sTER is a public chunk not yet understood by libpng. vpAg is a private +chunk used in ImageMagick to store "virtual page" size). */ + +static png_uint_32 user_chunk_data[4]; + + /* 0: sTER mode + 1 + * 1: vpAg width + * 2: vpAg height + * 3: vpAg units + */ + +static int read_user_chunk_callback(png_struct *png_ptr, + png_unknown_chunkp chunk) +{ + png_uint_32 + *user_chunk_data; + + /* Return one of the following: */ + /* return (-n); chunk had an error */ + /* return (0); did not recognize */ + /* return (n); success */ + + /* The unknown chunk structure contains the chunk data: + * png_byte name[5]; + * png_byte *data; + * png_size_t size; + * + * Note that libpng has already taken care of the CRC handling. + */ + + if (chunk->name[0] == 115 && chunk->name[1] == 84 && /* s T */ + chunk->name[2] == 69 && chunk->name[3] == 82) /* E R */ + { + /* Found sTER chunk */ + if (chunk->size != 1) + return (-1); /* Error return */ + if (chunk->data[0] != 0 && chunk->data[0] != 1) + return (-1); /* Invalid mode */ + user_chunk_data=(png_uint_32 *) png_get_user_chunk_ptr(png_ptr); + user_chunk_data[0]=chunk->data[0]+1; + return (1); + } + if (chunk->name[0] != 118 || chunk->name[1] != 112 || /* v p */ + chunk->name[2] != 65 || chunk->name[3] != 103) /* A g */ + return (0); /* Did not recognize */ + + /* Found ImageMagick vpAg chunk */ + + if (chunk->size != 9) + return (-1); /* Error return */ + + user_chunk_data=(png_uint_32 *) png_get_user_chunk_ptr(png_ptr); + + user_chunk_data[1]=png_get_uint_31(png_ptr, chunk->data); + user_chunk_data[2]=png_get_uint_31(png_ptr, chunk->data + 4); + user_chunk_data[3]=(png_uint_32)chunk->data[8]; + + return (1); + +} +#endif +/* END of code to demonstrate user chunk support */ + /* Test one file */ int test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) @@ -660,6 +727,16 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #endif png_set_error_fn(read_ptr, (png_voidp)inname, pngtest_error, pngtest_warning); + +#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) + user_chunk_data[0]=0; + user_chunk_data[1]=0; + user_chunk_data[2]=0; + user_chunk_data[3]=0; + png_set_read_user_chunk_fn(read_ptr, user_chunk_data, + read_user_chunk_callback); + +#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, @@ -700,7 +777,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) return (1); } #ifdef USE_FAR_KEYWORD - png_memcpy(png_jmpbuf(read_ptr),jmpbuf,png_sizeof(jmp_buf)); + png_memcpy(png_jmpbuf(read_ptr), jmpbuf, png_sizeof(jmp_buf)); #endif #ifdef PNG_WRITE_SUPPORTED @@ -722,7 +799,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) return (1); } #ifdef USE_FAR_KEYWORD - png_memcpy(png_jmpbuf(write_ptr),jmpbuf,png_sizeof(jmp_buf)); + png_memcpy(png_jmpbuf(write_ptr), jmpbuf, png_sizeof(jmp_buf)); #endif #endif #endif @@ -913,7 +990,8 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) png_int_32 offset_x, offset_y; int unit_type; - if (png_get_oFFs(read_ptr, read_info_ptr,&offset_x,&offset_y,&unit_type)) + if (png_get_oFFs(read_ptr, read_info_ptr, &offset_x, &offset_y, + &unit_type)) { png_set_oFFs(write_ptr, write_info_ptr, offset_x, offset_y, unit_type); } @@ -1063,6 +1141,40 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) png_write_info_before_PLTE(write_ptr, write_info_ptr); */ png_write_info(write_ptr, write_info_ptr); + +#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) + if (user_chunk_data[0] != 0) + { + png_byte png_sTER[5] = {115, 84, 69, 82, '\0'}; + + unsigned char + ster_chunk_data[1]; + + if(verbose) + fprintf(STDERR, "stereo mode = %lu\n", + (unsigned long)(user_chunk_data[0]-1)); + ster_chunk_data[0]=(unsigned char)(user_chunk_data[0]-1); + png_write_chunk(write_ptr, png_sTER, ster_chunk_data, 1); + } + if (user_chunk_data[1] != 0 || user_chunk_data[2] != 0) + { + png_byte png_vpAg[5] = {118, 112, 65, 103, '\0'}; + + unsigned char + vpag_chunk_data[9]; + + if(verbose) + fprintf(STDERR, "vpAg = %lu x %lu, units=%lu\n", + (unsigned long)user_chunk_data[1], + (unsigned long)user_chunk_data[2], + (unsigned long)user_chunk_data[3]); + png_save_uint_32(vpag_chunk_data, user_chunk_data[1]); + png_save_uint_32(vpag_chunk_data + 4, user_chunk_data[2]); + vpag_chunk_data[8] = (unsigned char)(user_chunk_data[3] & 0xff); + png_write_chunk(write_ptr, png_vpAg, vpag_chunk_data, 9); + } + +#endif #endif #ifdef SINGLE_ROWBUF_ALLOC @@ -1090,11 +1202,11 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) #endif for (pass = 0; pass < num_pass; pass++) { - png_debug1(0, "Writing row data for pass %d\n",pass); + png_debug1(0, "Writing row data for pass %d\n", pass); for (y = 0; y < height; y++) { #ifndef SINGLE_ROWBUF_ALLOC - png_debug2(0, "\nAllocating row buffer (pass %d, y = %ld)...", pass,y); + png_debug2(0, "\nAllocating row buffer (pass %d, y = %ld)...", pass, y); row_buf = (png_bytep)png_malloc(read_ptr, png_get_rowbytes(read_ptr, read_info_ptr)); png_debug2(0, "0x%08lx (%ld bytes)\n", (unsigned long)row_buf, @@ -1258,7 +1370,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) { fprintf(STDERR, " Was %s written with the same maximum IDAT chunk size (%d bytes),", - inname,PNG_ZBUF_SIZE); + inname, PNG_ZBUF_SIZE); fprintf(STDERR, "\n filtering heuristic (libpng default), compression"); fprintf(STDERR, @@ -1281,7 +1393,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname) { fprintf(STDERR, " Was %s written with the same maximum IDAT chunk size (%d bytes),", - inname,PNG_ZBUF_SIZE); + inname, PNG_ZBUF_SIZE); fprintf(STDERR, "\n filtering heuristic (libpng default), compression"); fprintf(STDERR, @@ -1318,15 +1430,15 @@ main(int argc, char *argv[]) fprintf(STDERR, "Testing libpng version %s\n", PNG_LIBPNG_VER_STRING); fprintf(STDERR, " with zlib version %s\n", ZLIB_VERSION); - fprintf(STDERR,"%s",png_get_copyright(NULL)); + fprintf(STDERR, "%s", png_get_copyright(NULL)); /* Show the version of libpng used in building the library */ - fprintf(STDERR," library (%lu):%s", + fprintf(STDERR, " library (%lu):%s", (unsigned long)png_access_version_number(), png_get_header_version(NULL)); /* Show the version of libpng used in building the application */ - fprintf(STDERR," pngtest (%lu):%s", (unsigned long)PNG_LIBPNG_VER, + fprintf(STDERR, " pngtest (%lu):%s", (unsigned long)PNG_LIBPNG_VER, PNG_HEADER_VERSION_STRING); - fprintf(STDERR," png_sizeof(png_struct)=%ld, png_sizeof(png_info)=%ld\n", + fprintf(STDERR, " sizeof(png_struct)=%ld, sizeof(png_info)=%ld\n", (long)png_sizeof(png_struct), (long)png_sizeof(png_info)); /* Do some consistency checking on the memory allocation settings, I'm @@ -1404,7 +1516,7 @@ main(int argc, char *argv[]) int k; #endif int kerror; - fprintf(STDERR, "Testing %s:",argv[i]); + fprintf(STDERR, "Testing %s:", argv[i]); kerror = test_one_file(argv[i], outname); if (kerror == 0) { @@ -1418,11 +1530,11 @@ main(int argc, char *argv[]) for (k=0; k<256; k++) if(filters_used[k]) fprintf(STDERR, " Filter %d was used %lu times\n", - k,(unsigned long)filters_used[k]); + k, (unsigned long)filters_used[k]); #endif #if defined(PNG_TIME_RFC1123_SUPPORTED) if(tIME_chunk_present != 0) - fprintf(STDERR, " tIME = %s\n",tIME_string); + fprintf(STDERR, " tIME = %s\n", tIME_string); tIME_chunk_present = 0; #endif /* PNG_TIME_RFC1123_SUPPORTED */ } @@ -1473,7 +1585,7 @@ main(int argc, char *argv[]) if (i == 1) status_dots_requested = 1; else if(verbose == 0)status_dots_requested = 0; if (i == 0 || verbose == 1 || ierror != 0) - fprintf(STDERR, "Testing %s:",inname); + fprintf(STDERR, "Testing %s:", inname); kerror = test_one_file(inname, outname); if(kerror == 0) { @@ -1492,18 +1604,18 @@ main(int argc, char *argv[]) for (k=0; k<256; k++) if(filters_used[k]) fprintf(STDERR, " Filter %d was used %lu times\n", - k,(unsigned long)filters_used[k]); + k, (unsigned long)filters_used[k]); #endif #if defined(PNG_TIME_RFC1123_SUPPORTED) if(tIME_chunk_present != 0) - fprintf(STDERR, " tIME = %s\n",tIME_string); + fprintf(STDERR, " tIME = %s\n", tIME_string); #endif /* PNG_TIME_RFC1123_SUPPORTED */ } } else { if(verbose == 0 && i != 2) - fprintf(STDERR, "Testing %s:",inname); + fprintf(STDERR, "Testing %s:", inname); fprintf(STDERR, " FAIL\n"); ierror += kerror; } @@ -1519,7 +1631,7 @@ main(int argc, char *argv[]) current_allocation); while (pinfo != NULL) { - fprintf(STDERR," %lu bytes at %x\n", + fprintf(STDERR, " %lu bytes at %x\n", (unsigned long)pinfo->size, (unsigned int)pinfo->pointer); pinfo = pinfo->next; } @@ -1542,13 +1654,13 @@ main(int argc, char *argv[]) t_stop = (float)clock(); t_misc += (t_stop - t_start); t_start = t_stop; - fprintf(STDERR," CPU time used = %.3f seconds", + fprintf(STDERR, " CPU time used = %.3f seconds", (t_misc+t_decode+t_encode)/(float)CLOCKS_PER_SEC); - fprintf(STDERR," (decoding %.3f,\n", + fprintf(STDERR, " (decoding %.3f,\n", t_decode/(float)CLOCKS_PER_SEC); - fprintf(STDERR," encoding %.3f ,", + fprintf(STDERR, " encoding %.3f ,", t_encode/(float)CLOCKS_PER_SEC); - fprintf(STDERR," other %.3f seconds)\n\n", + fprintf(STDERR, " other %.3f seconds)\n\n", t_misc/(float)CLOCKS_PER_SEC); #endif @@ -1560,4 +1672,4 @@ main(int argc, char *argv[]) } /* Generate a compiler error if there is an old png.h in the search path. */ -typedef version_1_2_30beta02 your_png_h_is_not_version_1_2_30beta02; +typedef version_1_2_30beta03 your_png_h_is_not_version_1_2_30beta03; diff --git a/pngtrans.c b/pngtrans.c index 164009502..635655d7c 100644 --- a/pngtrans.c +++ b/pngtrans.c @@ -1,17 +1,17 @@ /* pngtrans.c - transforms the data in a row (used by both readers and writers) * - * Last changed in libpng 1.2.17 May 15, 2007 + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2007 Glenn Randers-Pehrson + * Copyright (c) 1998-2008 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.) */ #define PNG_INTERNAL #include "png.h" - #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) + #if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED) /* turn on BGR-to-RGB mapping */ void PNGAPI @@ -652,8 +652,8 @@ png_set_user_transform_info(png_structp png_ptr, png_voidp png_voidp PNGAPI png_get_user_transform_ptr(png_structp png_ptr) { -#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) if (png_ptr == NULL) return (NULL); +#if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) return ((png_voidp)png_ptr->user_transform_ptr); #else return (NULL); @@ -1,9 +1,9 @@ /* pngwio.c - functions for data output * - * Last changed in libpng 1.2.13 November 13, 2006 + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h - * Copyright (c) 1998-2006 Glenn Randers-Pehrson + * Copyright (c) 1998-2008 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.) * @@ -206,7 +206,7 @@ png_set_write_fn(png_structp png_ptr, png_voidp io_ptr, #if defined(USE_FAR_KEYWORD) #if defined(_MSC_VER) -void *png_far_to_near(png_structp png_ptr,png_voidp ptr, int check) +void *png_far_to_near(png_structp png_ptr, png_voidp ptr, int check) { void *near_ptr; void FAR *far_ptr; @@ -214,11 +214,11 @@ void *png_far_to_near(png_structp png_ptr,png_voidp ptr, int check) far_ptr = (void FAR *)near_ptr; if(check != 0) if(FP_SEG(ptr) != FP_SEG(far_ptr)) - png_error(png_ptr,"segment lost in conversion"); + png_error(png_ptr, "segment lost in conversion"); return(near_ptr); } # else -void *png_far_to_near(png_structp png_ptr,png_voidp ptr, int check) +void *png_far_to_near(png_structp png_ptr, png_voidp ptr, int check) { void *near_ptr; void FAR *far_ptr; @@ -226,7 +226,7 @@ void *png_far_to_near(png_structp png_ptr,png_voidp ptr, int check) far_ptr = (void FAR *)near_ptr; if(check != 0) if(far_ptr != ptr) - png_error(png_ptr,"segment lost in conversion"); + png_error(png_ptr, "segment lost in conversion"); return(near_ptr); } # endif diff --git a/pngwrite.c b/pngwrite.c index 60a726e7e..daf3e38de 100644 --- a/pngwrite.c +++ b/pngwrite.c @@ -1,7 +1,7 @@ /* pngwrite.c - general routines to write a PNG file * - * Last changed in libpng 1.2.27 [April 29, 2008] + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2008 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -34,7 +34,7 @@ png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr) #if defined(PNG_MNG_FEATURES_SUPPORTED) if((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&(png_ptr->mng_features_permitted)) { - png_warning(png_ptr,"MNG features are not allowed in a PNG datastream"); + png_warning(png_ptr, "MNG features are not allowed in a PNG datastream"); png_ptr->mng_features_permitted=0; } #endif @@ -393,6 +393,12 @@ png_write_end(png_structp png_ptr, png_infop info_ptr) /* write end of PNG file */ 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 this problem, please report the event to + * png-mng-implement at lists.sf.net . + */ png_flush(png_ptr); } @@ -476,7 +482,7 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr, return (NULL); } #ifdef USE_FAR_KEYWORD - png_memcpy(png_ptr->jmpbuf,jmpbuf,png_sizeof(jmp_buf)); + png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf)); #endif #endif @@ -548,7 +554,7 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr, #ifdef USE_FAR_KEYWORD if (setjmp(jmpbuf)) PNG_ABORT(); - png_memcpy(png_ptr->jmpbuf,jmpbuf,png_sizeof(jmp_buf)); + png_memcpy(png_ptr->jmpbuf, jmpbuf, png_sizeof(jmp_buf)); #else if (setjmp(png_ptr->jmpbuf)) PNG_ABORT(); @@ -639,7 +645,7 @@ png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, #else png_ptr->warning_fn=NULL; png_warning(png_ptr, - "Application uses deprecated png_write_init() and should be recompiled."); + "Application uses deprecated png_write_init() and should be recompiled."); break; #endif } @@ -649,7 +655,7 @@ png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, #ifdef PNG_SETJMP_SUPPORTED /* save jump buffer and error functions */ - png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof (jmp_buf)); + png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf)); #endif if (png_sizeof(png_struct) > png_struct_size) @@ -660,7 +666,7 @@ png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, } /* reset all variables to 0 */ - png_memset(png_ptr, 0, png_sizeof (png_struct)); + png_memset(png_ptr, 0, png_sizeof(png_struct)); /* added at libpng-1.2.6 */ #ifdef PNG_SET_USER_LIMITS_SUPPORTED @@ -670,7 +676,7 @@ png_write_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, #ifdef PNG_SETJMP_SUPPORTED /* restore jump buffer */ - png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof (jmp_buf)); + 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, @@ -1077,7 +1083,7 @@ png_write_destroy(png_structp png_ptr) /* free our memory. png_free checks NULL for us. */ png_free(png_ptr, png_ptr->zbuf); png_free(png_ptr, png_ptr->row_buf); -#ifndef PNG_NO_WRITE_FILTERING +#ifndef PNG_NO_WRITE_FILTER png_free(png_ptr, png_ptr->prev_row); png_free(png_ptr, png_ptr->sub_row); png_free(png_ptr, png_ptr->up_row); @@ -1099,7 +1105,7 @@ png_write_destroy(png_structp png_ptr) #ifdef PNG_SETJMP_SUPPORTED /* reset structure */ - png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof (jmp_buf)); + png_memcpy(tmp_jmp, png_ptr->jmpbuf, png_sizeof(jmp_buf)); #endif error_fn = png_ptr->error_fn; @@ -1109,7 +1115,7 @@ png_write_destroy(png_structp png_ptr) free_fn = png_ptr->free_fn; #endif - png_memset(png_ptr, 0, png_sizeof (png_struct)); + png_memset(png_ptr, 0, png_sizeof(png_struct)); png_ptr->error_fn = error_fn; png_ptr->warning_fn = warning_fn; @@ -1119,7 +1125,7 @@ png_write_destroy(png_structp png_ptr) #endif #ifdef PNG_SETJMP_SUPPORTED - png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof (jmp_buf)); + png_memcpy(png_ptr->jmpbuf, tmp_jmp, png_sizeof(jmp_buf)); #endif } diff --git a/pngwutil.c b/pngwutil.c index 0774080b4..88b2945a4 100644 --- a/pngwutil.c +++ b/pngwutil.c @@ -1,7 +1,7 @@ /* pngwutil.c - utilities to write a PNG file * - * Last changed in libpng 1.2.27 [April 29, 2008] + * Last changed in libpng 1.2.30 [July 6, 2008] * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2008 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -49,6 +49,24 @@ png_save_uint_16(png_bytep buf, unsigned int i) buf[1] = (png_byte)(i & 0xff); } +/* Simple function to write the signature. If we have already written + * the magic bytes of the signature, or more likely, the PNG stream is + * being embedded into another stream and doesn't need its own signature, + * we should call png_set_sig_bytes() to tell libpng how many of the + * bytes have already been written. + */ +void /* PRIVATE */ +png_write_sig(png_structp png_ptr) +{ + png_byte png_signature[8] = {137, 80, 78, 71, 13, 10, 26, 10}; + + /* 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) + png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE; +} + /* Write a PNG chunk all at once. The type is an array of ASCII characters * representing the chunk name. The array must be at least 4 bytes in * length, and does not need to be null terminated. To be safe, pass the @@ -76,16 +94,18 @@ void PNGAPI png_write_chunk_start(png_structp png_ptr, png_bytep chunk_name, png_uint_32 length) { - png_byte buf[4]; - png_debug2(0, "Writing %s chunk (%lu bytes)\n", chunk_name, length); + png_byte buf[8]; + + png_debug2(0, "Writing %s chunk, length = %lu\n", chunk_name, + (unsigned long)length); if(png_ptr == NULL) return; - /* write the length */ + /* write the length and the chunk name */ png_save_uint_32(buf, length); - png_write_data(png_ptr, buf, (png_size_t)4); - - /* write the chunk name */ - png_write_data(png_ptr, chunk_name, (png_size_t)4); + png_memcpy(buf + 4, chunk_name, 4); + png_write_data(png_ptr, buf, 8); + /* 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); @@ -103,6 +123,9 @@ png_write_chunk_data(png_structp png_ptr, png_bytep data, png_size_t length) if(png_ptr == NULL) return; if (data != NULL && length > 0) { + /* update the CRC after writing the data, + * in case that the user I/O routine alters it. + */ png_calculate_crc(png_ptr, data, length); png_write_data(png_ptr, data, length); } @@ -116,29 +139,12 @@ png_write_chunk_end(png_structp png_ptr) if(png_ptr == NULL) return; - /* write the crc */ + /* 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); } -/* Simple function to write the signature. If we have already written - * the magic bytes of the signature, or more likely, the PNG stream is - * being embedded into another stream and doesn't need its own signature, - * we should call png_set_sig_bytes() to tell libpng how many of the - * bytes have already been written. - */ -void /* PRIVATE */ -png_write_sig(png_structp png_ptr) -{ - png_byte png_signature[8] = {137, 80, 78, 71, 13, 10, 26, 10}; - /* 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) - png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE; -} - #if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_iCCP_SUPPORTED) /* * This pair of functions encapsulates the operation of (a) compressing a @@ -240,15 +246,15 @@ png_text_compress(png_structp png_ptr, old_ptr = comp->output_ptr; comp->output_ptr = (png_charpp)png_malloc(png_ptr, (png_uint_32)(comp->max_output_ptr * - png_sizeof (png_charpp))); + png_sizeof(png_charpp))); png_memcpy(comp->output_ptr, old_ptr, old_max - * png_sizeof (png_charp)); + * 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_sizeof (png_charp))); + png_sizeof(png_charp))); } /* save the data */ @@ -291,15 +297,15 @@ png_text_compress(png_structp png_ptr, /* This could be optimized to realloc() */ comp->output_ptr = (png_charpp)png_malloc(png_ptr, (png_uint_32)(comp->max_output_ptr * - png_sizeof (png_charpp))); + png_sizeof(png_charpp))); png_memcpy(comp->output_ptr, old_ptr, - old_max * png_sizeof (png_charp)); + 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_sizeof (png_charp))); + png_sizeof(png_charp))); } /* save off the data */ @@ -349,7 +355,7 @@ png_write_compressed_data_out(png_structp png_ptr, compression_state *comp) /* write saved output buffers, if any */ for (i = 0; i < comp->num_output_ptr; i++) { - png_write_chunk_data(png_ptr,(png_bytep)comp->output_ptr[i], + png_write_chunk_data(png_ptr, (png_bytep)comp->output_ptr[i], png_ptr->zbuf_size); png_free(png_ptr, comp->output_ptr[i]); comp->output_ptr[i]=NULL; @@ -396,7 +402,7 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height, case 4: case 8: case 16: png_ptr->channels = 1; break; - default: png_error(png_ptr,"Invalid bit depth for grayscale image"); + default: png_error(png_ptr, "Invalid bit depth for grayscale image"); } break; case PNG_COLOR_TYPE_RGB: @@ -843,45 +849,45 @@ png_write_sPLT(png_structp png_ptr, png_sPLT_tp spalette) #ifndef PNG_NO_POINTER_INDEXING for (ep = spalette->entries; ep<spalette->entries+spalette->nentries; ep++) { - if (spalette->depth == 8) - { - entrybuf[0] = (png_byte)ep->red; - entrybuf[1] = (png_byte)ep->green; - entrybuf[2] = (png_byte)ep->blue; - entrybuf[3] = (png_byte)ep->alpha; - png_save_uint_16(entrybuf + 4, ep->frequency); - } - else - { - png_save_uint_16(entrybuf + 0, ep->red); - png_save_uint_16(entrybuf + 2, ep->green); - png_save_uint_16(entrybuf + 4, ep->blue); - png_save_uint_16(entrybuf + 6, ep->alpha); - png_save_uint_16(entrybuf + 8, ep->frequency); - } - png_write_chunk_data(png_ptr, entrybuf, (png_size_t)entry_size); + if (spalette->depth == 8) + { + entrybuf[0] = (png_byte)ep->red; + entrybuf[1] = (png_byte)ep->green; + entrybuf[2] = (png_byte)ep->blue; + entrybuf[3] = (png_byte)ep->alpha; + png_save_uint_16(entrybuf + 4, ep->frequency); + } + else + { + png_save_uint_16(entrybuf + 0, ep->red); + png_save_uint_16(entrybuf + 2, ep->green); + png_save_uint_16(entrybuf + 4, ep->blue); + png_save_uint_16(entrybuf + 6, ep->alpha); + png_save_uint_16(entrybuf + 8, ep->frequency); + } + png_write_chunk_data(png_ptr, entrybuf, (png_size_t)entry_size); } #else ep=spalette->entries; for (i=0; i>spalette->nentries; i++) { - if (spalette->depth == 8) - { - entrybuf[0] = (png_byte)ep[i].red; - entrybuf[1] = (png_byte)ep[i].green; - entrybuf[2] = (png_byte)ep[i].blue; - entrybuf[3] = (png_byte)ep[i].alpha; - png_save_uint_16(entrybuf + 4, ep[i].frequency); - } - else - { - png_save_uint_16(entrybuf + 0, ep[i].red); - png_save_uint_16(entrybuf + 2, ep[i].green); - png_save_uint_16(entrybuf + 4, ep[i].blue); - png_save_uint_16(entrybuf + 6, ep[i].alpha); - png_save_uint_16(entrybuf + 8, ep[i].frequency); - } - png_write_chunk_data(png_ptr, entrybuf, entry_size); + if (spalette->depth == 8) + { + entrybuf[0] = (png_byte)ep[i].red; + entrybuf[1] = (png_byte)ep[i].green; + entrybuf[2] = (png_byte)ep[i].blue; + entrybuf[3] = (png_byte)ep[i].alpha; + png_save_uint_16(entrybuf + 4, ep[i].frequency); + } + else + { + png_save_uint_16(entrybuf + 0, ep[i].red); + png_save_uint_16(entrybuf + 2, ep[i].green); + png_save_uint_16(entrybuf + 4, ep[i].blue); + png_save_uint_16(entrybuf + 6, ep[i].alpha); + png_save_uint_16(entrybuf + 8, ep[i].frequency); + } + png_write_chunk_data(png_ptr, entrybuf, entry_size); } #endif @@ -967,7 +973,7 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y, { png_warning(png_ptr, "Invalid cHRM white point specified"); #if !defined(PNG_NO_CONSOLE_IO) - fprintf(stderr,"white_x=%f, white_y=%f\n",white_x, white_y); + fprintf(stderr, "white_x=%f, white_y=%f\n", white_x, white_y); #endif return; } @@ -1027,7 +1033,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x, { png_warning(png_ptr, "Invalid fixed cHRM white point specified"); #if !defined(PNG_NO_CONSOLE_IO) - fprintf(stderr,"white_x=%ld, white_y=%ld\n",white_x, white_y); + fprintf(stderr, "white_x=%ld, white_y=%ld\n", white_x, white_y); #endif return; } @@ -1079,7 +1085,7 @@ png_write_tRNS(png_structp png_ptr, png_bytep trans, png_color_16p tran, { if (num_trans <= 0 || num_trans > (int)png_ptr->num_palette) { - png_warning(png_ptr,"Invalid number of transparent colors specified"); + png_warning(png_ptr, "Invalid number of transparent colors specified"); return; } /* write the chunk out as it is */ @@ -1758,13 +1764,13 @@ png_write_start_row(png_structp png_ptr) png_debug(1, "in png_write_start_row\n"); buf_size = (png_size_t)(PNG_ROWBYTES( - png_ptr->usr_channels*png_ptr->usr_bit_depth,png_ptr->width)+1); + 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_ptr->row_buf[0] = PNG_FILTER_VALUE_NONE; -#ifndef PNG_NO_WRITE_FILTERING +#ifndef PNG_NO_WRITE_FILTER /* set up filtering buffer, if using this filter */ if (png_ptr->do_filter & PNG_FILTER_SUB) { @@ -1800,7 +1806,7 @@ png_write_start_row(png_structp png_ptr) (png_ptr->rowbytes + 1)); png_ptr->paeth_row[0] = PNG_FILTER_VALUE_PAETH; } -#endif /* PNG_NO_WRITE_FILTERING */ +#endif /* PNG_NO_WRITE_FILTER */ } #ifdef PNG_WRITE_INTERLACING_SUPPORTED @@ -1899,7 +1905,7 @@ png_write_finish_row(png_structp png_ptr) if (png_ptr->prev_row != NULL) png_memset(png_ptr->prev_row, 0, (png_size_t)(PNG_ROWBYTES(png_ptr->usr_channels* - png_ptr->usr_bit_depth,png_ptr->width))+1); + png_ptr->usr_bit_depth, png_ptr->width))+1); return; } } diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt index 50ae56d07..892b452f3 100644 --- a/scripts/CMakeLists.txt +++ b/scripts/CMakeLists.txt @@ -169,7 +169,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in # SET UP LINKS set_target_properties(${PNG_LIB_NAME} PROPERTIES -# VERSION 0.${PNGLIB_RELEASE}.1.2.30beta02 +# VERSION 0.${PNGLIB_RELEASE}.1.2.30beta03 VERSION 0.${PNGLIB_RELEASE}.0 SOVERSION 0 CLEAN_DIRECT_OUTPUT 1) diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in index 92a63df0c..7c1411ddc 100755 --- a/scripts/libpng-config-head.in +++ b/scripts/libpng-config-head.in @@ -8,7 +8,7 @@ # Modeled after libxml-config. -version=1.2.30beta02 +version=1.2.30beta03 prefix="" libdir="" libs="" diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in index 924788550..53ca508ae 100644 --- a/scripts/libpng.pc.in +++ b/scripts/libpng.pc.in @@ -5,6 +5,6 @@ includedir=@includedir@/libpng12 Name: libpng Description: Loads and saves PNG files -Version: 1.2.30beta02 +Version: 1.2.30beta03 Libs: -L${libdir} -lpng12 Cflags: -I${includedir} diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu index d893eb91c..0a07ab02a 100644 --- a/scripts/makefile.32sunu +++ b/scripts/makefile.32sunu @@ -8,7 +8,7 @@ # Library name: LIBNAME=libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu index 0606cec65..f13f461b8 100644 --- a/scripts/makefile.64sunu +++ b/scripts/makefile.64sunu @@ -8,7 +8,7 @@ # Library name: LIBNAME=libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.aix b/scripts/makefile.aix index e20097a1f..a676a4ea6 100644 --- a/scripts/makefile.aix +++ b/scripts/makefile.aix @@ -20,7 +20,7 @@ LN_SF = ln -f -s LIBNAME=libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) prefix=/usr/local diff --git a/scripts/makefile.beos b/scripts/makefile.beos index 5ada99afc..cfd5ebf2f 100644 --- a/scripts/makefile.beos +++ b/scripts/makefile.beos @@ -8,7 +8,7 @@ # Library name: LIBNAME=libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin index 4f4a01da4..b8afcab44 100644 --- a/scripts/makefile.cygwin +++ b/scripts/makefile.cygwin @@ -74,7 +74,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ LIBNAME = libpng12 PNGMAJ = 0 CYGDLL = 12 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) SHAREDLIB=cygpng$(CYGDLL).dll diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin index 2106ea0b7..003075a29 100644 --- a/scripts/makefile.darwin +++ b/scripts/makefile.darwin @@ -18,8 +18,8 @@ ZLIBINC=../zlib # Library name: LIBNAME = libpng12 -PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMAJ = 12 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.dec b/scripts/makefile.dec index de1e29056..6a286680f 100644 --- a/scripts/makefile.dec +++ b/scripts/makefile.dec @@ -5,7 +5,7 @@ # Library name: PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) LIBNAME = libpng12 diff --git a/scripts/makefile.elf b/scripts/makefile.elf index 60a455370..abd424f03 100644 --- a/scripts/makefile.elf +++ b/scripts/makefile.elf @@ -12,7 +12,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx index 223fe17cd..b4911135e 100644 --- a/scripts/makefile.gcmmx +++ b/scripts/makefile.gcmmx @@ -14,7 +14,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64 index bb2df71ae..aad2e5947 100644 --- a/scripts/makefile.hp64 +++ b/scripts/makefile.hp64 @@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc index 0de49ca92..6ba885dad 100644 --- a/scripts/makefile.hpgcc +++ b/scripts/makefile.hpgcc @@ -8,7 +8,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux index f82912a88..4c58dc704 100644 --- a/scripts/makefile.hpux +++ b/scripts/makefile.hpux @@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.linux b/scripts/makefile.linux index 59dd89315..888f84978 100644 --- a/scripts/makefile.linux +++ b/scripts/makefile.linux @@ -6,7 +6,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw index 4cde0cc51..9c8d08748 100644 --- a/scripts/makefile.mingw +++ b/scripts/makefile.mingw @@ -74,7 +74,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ LIBNAME = libpng12 PNGMAJ = 0 MINGDLL = 12 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) SHAREDLIB=libpng$(MINGDLL).dll diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd index 97409c43c..43634a5ff 100644 --- a/scripts/makefile.ne12bsd +++ b/scripts/makefile.ne12bsd @@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng12 LIB= png12 SHLIB_MAJOR= 0 -SHLIB_MINOR= 1.2.30beta02 +SHLIB_MINOR= 1.2.30beta03 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 --git a/scripts/makefile.netbsd b/scripts/makefile.netbsd index 7b6b71eb9..cb4af4d16 100644 --- a/scripts/makefile.netbsd +++ b/scripts/makefile.netbsd @@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng LIB= png SHLIB_MAJOR= 3 -SHLIB_MINOR= 1.2.30beta02 +SHLIB_MINOR= 1.2.30beta03 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 --git a/scripts/makefile.nommx b/scripts/makefile.nommx index 4d1aeb64a..157e2ca2a 100644 --- a/scripts/makefile.nommx +++ b/scripts/makefile.nommx @@ -7,7 +7,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd index 17a8fa93a..e629c1fd5 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= 1.2.30beta02 +SHLIB_MINOR= 1.2.30beta03 LIB= png SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \ diff --git a/scripts/makefile.sco b/scripts/makefile.sco index 7035e880c..da7eeec4f 100644 --- a/scripts/makefile.sco +++ b/scripts/makefile.sco @@ -9,7 +9,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc index 27ad4f7bf..319f3daf8 100644 --- a/scripts/makefile.sggcc +++ b/scripts/makefile.sggcc @@ -6,7 +6,7 @@ # Library name: LIBNAME=libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi index 50baaffc2..b3ab4076f 100644 --- a/scripts/makefile.sgi +++ b/scripts/makefile.sgi @@ -6,7 +6,7 @@ # Library name: LIBNAME=libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.so9 b/scripts/makefile.so9 index 436ec4dbf..e88979cdd 100644 --- a/scripts/makefile.so9 +++ b/scripts/makefile.so9 @@ -8,7 +8,7 @@ # Library name: PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) LIBNAME = libpng12 diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris index e575138ce..d65517e5c 100644 --- a/scripts/makefile.solaris +++ b/scripts/makefile.solaris @@ -8,7 +8,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.solaris-x86 b/scripts/makefile.solaris-x86 index f28078adb..1fffa27dc 100644 --- a/scripts/makefile.solaris-x86 +++ b/scripts/makefile.solaris-x86 @@ -8,7 +8,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.30beta02 +PNGMIN = 1.2.30beta03 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/pngos2.def b/scripts/pngos2.def index 13dcfcbc6..602bdf946 100644 --- a/scripts/pngos2.def +++ b/scripts/pngos2.def @@ -2,7 +2,7 @@ ; PNG.LIB module definition file for OS/2 ;---------------------------------------- -; Version 1.2.30beta02 +; Version 1.2.30beta03 LIBRARY PNG DESCRIPTION "PNG image compression library for OS/2" diff --git a/scripts/pngw32.def b/scripts/pngw32.def index c0f2dc651..cea534850 100644 --- a/scripts/pngw32.def +++ b/scripts/pngw32.def @@ -5,7 +5,7 @@ LIBRARY EXPORTS -;Version 1.2.30beta02 +;Version 1.2.30beta03 png_build_grayscale_palette @1 png_check_sig @2 png_chunk_error @3 |