diff options
55 files changed, 1136 insertions, 134 deletions
@@ -1,5 +1,5 @@ -Libpng 1.0.21rc1 - November 8, 2006 +Libpng 1.0.21rc2 - November 13, 2006 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. @@ -9,32 +9,32 @@ Files available for download: Source files with LF line endings (for Unix/Linux) and with a "configure" script - libpng-1.0.21rc1.tar.gz - libpng-1.0.21rc1.tar.bz2 + libpng-1.0.21rc2.tar.gz + libpng-1.0.21rc2.tar.bz2 Source files with LF line endings (for Unix/Linux) without the "configure" script - libpng-1.0.21rc1-no-config.tar.gz - libpng-1.0.21rc1-no-config.tar.bz2 + libpng-1.0.21rc2-no-config.tar.gz + libpng-1.0.21rc2-no-config.tar.bz2 Source files with CRLF line endings (for Windows), without the "configure" script - lp1021r01.zip - lp1021r01.tar.bz2 + lp1021r02.zip + lp1021r02.tar.bz2 Project files - libpng-1.0.21rc1-project-netware.zip - libpng-1.0.21rc1-project-wince.zip + libpng-1.0.21rc2-project-netware.zip + libpng-1.0.21rc2-project-wince.zip Other information: - libpng-1.0.21rc1-README.txt - libpng-1.0.21rc1-KNOWNBUGS.txt - libpng-1.0.21rc1-LICENSE.txt - libpng-1.0.21rc1-Y2K-compliance.txt + libpng-1.0.21rc2-README.txt + libpng-1.0.21rc2-KNOWNBUGS.txt + libpng-1.0.21rc2-LICENSE.txt + libpng-1.0.21rc2-Y2K-compliance.txt Changes since the last public release (1.0.20): @@ -43,11 +43,14 @@ version 1.2.13beta1 [October 2, 2006] Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h Change "logical" to "bitwise" throughout documentation. -version 1.2.13rc1 [November 8, 2006] +version 1.0.21rc1.2.13rc1 [November 10, 2006] Fix potential buffer overflow in sPLT chunk handler. Fix Makefile.am to not try to link to noexistent files. Fix pngerror.c to not use NULL png_ptr. +version 1.0.21rc2, 1.2.13rc2 [November 13, 2006] + Check all exported functions for NULL png_ptr. + Send comments/corrections/commendations to png-mng-implement at lists.sf.net (subscription required; visit https://lists.sourceforge.net/lists/listinfo/png-mng-implement @@ -1609,11 +1609,14 @@ version 1.2.13beta1 [October 2, 2006] Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h Change "logical" to "bitwise" throughout documentation. -version 1.0.21rc1, 1.2.13rc1 [November 8, 2006] +version 1.0.21rc1, 1.2.13rc1 [November 10, 2006] Fix potential buffer overflow in sPLT chunk handler. Fix Makefile.am to not try to link to noexistent files. Fix pngerror.c to not use NULL png_ptr. +version 1.0.21rc2, 1.2.13rc2 [November 13, 2006] + Check all exported functions for NULL png_ptr. + 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 1.0.21rc1 - November 8, 2006 +Installing libpng version 1.0.21rc2 - November 13, 2006 On Unix/Linux and similar systems, you can simply type @@ -37,7 +37,7 @@ 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-1.0.21rc1" or "lpng109" and "zlib-1.2.1" +might be called "libpng-1.0.21rc2" 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: @@ -93,11 +93,11 @@ include makefile.std => Generic UNIX makefile (cc, creates static libpng.a) makefile.elf => Linux/ELF makefile symbol versioning, - gcc, creates libpng10.so.0.1.0.21rc1) + gcc, creates libpng10.so.0.1.0.21rc2) makefile.linux => Linux/ELF makefile - (gcc, creates libpng10.so.0.1.0.21rc1) + (gcc, creates libpng10.so.0.1.0.21rc2) makefile.gcmmx => Linux/ELF makefile - (gcc, creates libpng10.so.0.1.0.21rc1, + (gcc, creates libpng10.so.0.1.0.21rc2, 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 @@ -120,12 +120,12 @@ include makefile.openbsd => OpenBSD makefile makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib) makefile.sggcc => Silicon Graphics (gcc, - creates libpng10.so.0.1.0.21rc1) + creates libpng10.so.0.1.0.21rc2) makefile.sunos => Sun makefile makefile.solaris => Solaris 2.X makefile (gcc, - creates libpng10.so.0.1.0.21rc1) + creates libpng10.so.0.1.0.21rc2) makefile.so9 => Solaris 9 makefile (gcc, - creates libpng10.so.0.1.0.21rc1) + creates libpng10.so.0.1.0.21rc2) 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 1.0.21rc1 +Known bugs in libpng version 1.0.21rc2 1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when reading interlaced PNG files, when assembler code is enabled but running @@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: If you modify libpng you may insert additional notices immediately following this sentence. -libpng versions 1.2.6, August 15, 2004, through 1.0.21rc1, November 8, 2006, are +libpng versions 1.2.6, August 15, 2004, through 1.0.21rc2, November 13, 2006, are Copyright (c) 2004, 2006 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 -November 8, 2006 +November 13, 2006 @@ -1,4 +1,4 @@ -README for libpng version 1.0.21rc1 - November 8, 2006 (shared library 10.0) +README for libpng version 1.0.21rc2 - November 13, 2006 (shared library 10.0) See the note about version numbers near the top of png.h See INSTALL for instructions on how to install libpng. @@ -190,11 +190,11 @@ 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 libpng10.so.0.1.0.21rc1) + gcc, creates libpng10.so.0.1.0.21rc2) makefile.linux => Linux/ELF makefile - (gcc, creates libpng10.so.0.1.0.21rc1) + (gcc, creates libpng10.so.0.1.0.21rc2) makefile.gcmmx => Linux/ELF makefile - (gcc, creates libpng10.so.0.1.0.21rc1, + (gcc, creates libpng10.so.0.1.0.21rc2, 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 @@ -216,12 +216,12 @@ Files in this distribution: makefile.openbsd => OpenBSD makefile makefile.sgi => Silicon Graphics IRIX (cc, creates static lib) makefile.sggcc => Silicon Graphics - (gcc, creates libpng10.so.0.1.0.21rc1) + (gcc, creates libpng10.so.0.1.0.21rc2) makefile.sunos => Sun makefile makefile.solaris => Solaris 2.X makefile - (gcc, creates libpng10.so.0.1.0.21rc1) + (gcc, creates libpng10.so.0.1.0.21rc2) makefile.so9 => Solaris 9 makefile - (gcc, creates libpng10.so.0.1.0.21rc1) + (gcc, creates libpng10.so.0.1.0.21rc2) 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: ========================= - November 8, 2006 + November 13, 2006 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 1.0.21rc1 are Y2K compliant. It is my belief that earlier + upward through 1.0.21rc2 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 2.59 for libpng 1.0.21rc1. +# Generated by GNU Autoconf 2.59 for libpng 1.0.21rc2. # # Report bugs to <png-mng-implement@lists.sourceforge.net>. # @@ -423,8 +423,8 @@ SHELL=${CONFIG_SHELL-/bin/sh} # Identity of this package. PACKAGE_NAME='libpng' PACKAGE_TARNAME='libpng' -PACKAGE_VERSION='1.0.21rc1' -PACKAGE_STRING='libpng 1.0.21rc1' +PACKAGE_VERSION='1.0.21rc2' +PACKAGE_STRING='libpng 1.0.21rc2' PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net' ac_unique_file="pngget.c" @@ -954,7 +954,7 @@ if test "$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 1.0.21rc1 to adapt to many kinds of systems. +\`configure' configures libpng 1.0.21rc2 to adapt to many kinds of systems. Usage: $0 [OPTION]... [VAR=VALUE]... @@ -1020,7 +1020,7 @@ fi if test -n "$ac_init_help"; then case $ac_init_help in - short | recursive ) echo "Configuration of libpng 1.0.21rc1:";; + short | recursive ) echo "Configuration of libpng 1.0.21rc2:";; esac cat <<\_ACEOF @@ -1167,7 +1167,7 @@ fi test -n "$ac_init_help" && exit 0 if $ac_init_version; then cat <<\_ACEOF -libpng configure 1.0.21rc1 +libpng configure 1.0.21rc2 generated by GNU Autoconf 2.59 Copyright (C) 2003 Free Software Foundation, Inc. @@ -1181,7 +1181,7 @@ cat >&5 <<_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 1.0.21rc1, which was +It was created by libpng $as_me 1.0.21rc2, which was generated by GNU Autoconf 2.59. Invocation command line was $ $0 $@ @@ -1824,7 +1824,7 @@ fi # Define the identity of the package. PACKAGE='libpng' - VERSION='1.0.21rc1' + VERSION='1.0.21rc2' cat >>confdefs.h <<_ACEOF @@ -1979,7 +1979,7 @@ fi -PNGLIB_VERSION=1.0.21rc1 +PNGLIB_VERSION=1.0.21rc2 PNGLIB_MAJOR=10 PNGLIB_MINOR=21 @@ -20601,7 +20601,7 @@ _ASBOX } >&5 cat >&5 <<_CSEOF -This file was extended by libpng $as_me 1.0.21rc1, which was +This file was extended by libpng $as_me 1.0.21rc2, which was generated by GNU Autoconf 2.59. Invocation command line was CONFIG_FILES = $CONFIG_FILES @@ -20664,7 +20664,7 @@ _ACEOF cat >>$CONFIG_STATUS <<_ACEOF ac_cs_version="\\ -libpng config.status 1.0.21rc1 +libpng config.status 1.0.21rc2 configured by $0, generated by GNU Autoconf 2.59, with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\" diff --git a/configure.ac b/configure.ac index 529b6e0da..43a501511 100644 --- a/configure.ac +++ b/configure.ac @@ -18,12 +18,12 @@ AC_PREREQ(2.59) dnl Version number stuff here: -AC_INIT([libpng], [1.0.21rc1], [png-mng-implement@lists.sourceforge.net]) +AC_INIT([libpng], [1.0.21rc2], [png-mng-implement@lists.sourceforge.net]) AM_INIT_AUTOMAKE dnl stop configure from automagically running automake AM_MAINTAINER_MODE -PNGLIB_VERSION=1.0.21rc1 +PNGLIB_VERSION=1.0.21rc2 PNGLIB_MAJOR=10 PNGLIB_MINOR=21 @@ -1,404 +1,815 @@ -.TH LIBPNG 3 "November 8, 2006" +.TH LIBPNG 3 "November 13, 2006" .SH NAME -libpng \- Portable Network Graphics (PNG) Reference Library 1.0.21rc1 +libpng \- Portable Network Graphics (PNG) Reference Library 1.0.21rc2 .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 1.0.21rc1 - November 8, 2006 + libpng version 1.0.21rc2 - November 13, 2006 Updated and distributed by Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Copyright (c) 1998-2005 Glenn Randers-Pehrson @@ -3172,13 +3583,13 @@ application: .SH VIII. Y2K Compliance in libpng -November 8, 2006 +November 13, 2006 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 1.0.21rc1 are Y2K compliant. It is my belief that earlier +upward through 1.0.21rc2 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 @@ -3345,8 +3756,8 @@ the first widely used release: 1.2.11 13 10211 12.so.0.11[.0] 1.0.20 10 10020 10.so.0.20[.0] 1.2.12 13 10212 12.so.0.12[.0] - 1.0.21rc1 10 10021 10.so.0.21[.0] - 1.2.13rc1 13 10213 12.so.0.13[.0] + 1.0.21rc1-2 10 10021 10.so.0.21[.0] + 1.2.13rc1-2 13 10213 12.so.0.13[.0] Henceforth the source version will match the shared-library minor and patch numbers; the shared-library major version number will be @@ -3402,7 +3813,7 @@ possible without all of you. Thanks to Frank J. T. Wojcik for helping with the documentation. -Libpng version 1.0.21rc1 - November 8, 2006: +Libpng version 1.0.21rc2 - November 13, 2006: Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc. Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net). @@ -3423,7 +3834,7 @@ 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 1.0.21rc1, November 8, 2006, are +libpng versions 1.2.6, August 15, 2004, through 1.0.21rc2, November 13, 2006, are Copyright (c) 2004-2006 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 @@ -3522,7 +3933,7 @@ certification mark of the Open Source Initiative. Glenn Randers-Pehrson glennrp at users.sourceforge.net -November 8, 2006 +November 13, 2006 .\" end of man page diff --git a/libpng.txt b/libpng.txt index a2baf3f93..ea36cd5fb 100644 --- a/libpng.txt +++ b/libpng.txt @@ -1,6 +1,6 @@ libpng.txt - A description on how to use and modify libpng - libpng version 1.0.21rc1 - November 8, 2006 + libpng version 1.0.21rc2 - November 13, 2006 Updated and distributed by Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Copyright (c) 1998-2005 Glenn Randers-Pehrson @@ -2762,13 +2762,13 @@ application: VIII. Y2K Compliance in libpng -November 8, 2006 +November 13, 2006 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 1.0.21rc1 are Y2K compliant. It is my belief that earlier +upward through 1.0.21rc2 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 diff --git a/libpngpf.3 b/libpngpf.3 index 632eaef8d..828f2a73b 100644 --- a/libpngpf.3 +++ b/libpngpf.3 @@ -1,266 +1,776 @@ -.TH LIBPNGPF 3 "November 8, 2006" +.TH LIBPNGPF 3 "November 13, 2006" .SH NAME -libpng \- Portable Network Graphics (PNG) Reference Library 1.0.21rc1 +libpng \- Portable Network Graphics (PNG) Reference Library 1.0.21rc2 (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 + \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 "November 8, 2006" +.TH PNG 5 "November 13, 2006" .SH NAME png \- Portable Network Graphics (PNG) format .SH DESCRIPTION @@ -1,7 +1,7 @@ /* png.c - location for general purpose libpng functions * - * Last changed in libpng 1.2.9 April 14, 2006 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -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_0_21rc1 Your_png_h_is_not_version_1_0_21rc1; +typedef version_1_0_21rc2 Your_png_h_is_not_version_1_0_21rc2; /* Version information for C files. This had better match the version * string defined in png.h. */ @@ -97,6 +97,7 @@ const int FARDATA png_pass_dsp_mask[] void PNGAPI png_set_sig_bytes(png_structp png_ptr, int num_bytes) { + if(png_ptr == NULL) return; png_debug(1, "in png_set_sig_bytes\n"); if (num_bytes > 8) png_error(png_ptr, "Too many bytes for PNG signature."); @@ -157,6 +158,7 @@ png_zalloc(voidpf png_ptr, uInt items, uInt size) png_uint_32 save_flags=p->flags; png_uint_32 num_bytes; + if(png_ptr == NULL) return (NULL); if (items > PNG_UINT_32_MAX/size) { png_warning (png_ptr, "Potential overflow in png_zalloc()"); @@ -265,6 +267,7 @@ png_create_info_struct(png_structp png_ptr) void PNGAPI png_destroy_info_struct(png_structp png_ptr, png_infopp info_ptr_ptr) { + if(png_ptr == NULL) return; png_infop info_ptr = NULL; png_debug(1, "in png_destroy_info_struct\n"); @@ -304,6 +307,8 @@ png_info_init_3(png_infopp ptr_ptr, png_size_t png_info_struct_size) { png_infop info_ptr = *ptr_ptr; + if(info_ptr == NULL) return; + png_debug(1, "in png_info_init_3\n"); if(png_sizeof(png_info) > png_info_struct_size) @@ -611,6 +616,7 @@ png_info_destroy(png_structp png_ptr, png_infop info_ptr) png_voidp PNGAPI png_get_io_ptr(png_structp png_ptr) { + if(png_ptr == NULL) return (NULL); return (png_ptr->io_ptr); } @@ -626,6 +632,7 @@ void PNGAPI png_init_io(png_structp png_ptr, png_FILE_p fp) { png_debug(1, "in png_init_io\n"); + if(png_ptr == NULL) return; png_ptr->io_ptr = (png_voidp)fp; } #endif @@ -641,6 +648,7 @@ png_convert_to_rfc1123(png_structp png_ptr, png_timep ptime) {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; + if(png_ptr == NULL) return (NULL); if (png_ptr->time_buffer == NULL) { png_ptr->time_buffer = (png_charp)png_malloc(png_ptr, (png_uint_32)(29* @@ -693,7 +701,7 @@ png_charp PNGAPI png_get_copyright(png_structp png_ptr) { if (&png_ptr != NULL) /* silence compiler warning about unused png_ptr */ - return ((png_charp) "\n libpng version 1.0.21rc1 - November 8, 2006\n\ + return ((png_charp) "\n libpng version 1.0.21rc2 - November 13, 2006\n\ Copyright (c) 1998-2006 Glenn Randers-Pehrson\n\ Copyright (c) 1996-1997 Andreas Dilger\n\ Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n"); @@ -757,6 +765,7 @@ png_handle_as_unknown(png_structp png_ptr, png_bytep chunk_name) int PNGAPI png_reset_zstream(png_structp png_ptr) { + if (png_ptr == NULL) return Z_STREAM_ERROR; return (inflateReset(&png_ptr->zstream)); } #endif /* defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED) */ @@ -778,6 +787,7 @@ png_access_version_number(void) void /* PRIVATE */ png_init_mmx_flags (png_structp png_ptr) { + if(png_ptr == NULL) return; png_ptr->mmx_rowbytes_threshold = 0; png_ptr->mmx_bitdepth_threshold = 0; @@ -1,7 +1,7 @@ /* png.h - header file for PNG reference library * - * libpng version 1.0.21rc1 - November 8, 2006 + * libpng version 1.0.21rc2 - November 13, 2006 * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -9,7 +9,7 @@ * Authors and maintainers: * libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat * libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger - * libpng versions 0.97, January 1998, through 1.0.21rc1 - November 8, 2006: Glenn + * libpng versions 0.97, January 1998, through 1.0.21rc2 - November 13, 2006: Glenn * See also "Contributing Authors", below. * * Note about libpng version numbers: @@ -126,8 +126,8 @@ * 1.2.11 13 10211 12.so.0.11[.0] * 1.0.20 10 10020 10.so.0.20[.0] * 1.2.12 13 10212 12.so.0.12[.0] - * 1.0.21rc1 10 10021 10.so.0.21[.0] - * 1.2.13rc1 13 10213 12.so.0.13[.0] + * 1.0.21rc1-2 10 10021 10.so.0.21[.0] + * 1.2.13rc1-2 13 10213 12.so.0.13[.0] * * Henceforth the source version will match the shared-library major * and minor numbers; the shared-library major version number will be @@ -157,7 +157,7 @@ * If you modify libpng you may insert additional notices immediately following * this sentence. * - * libpng versions 1.2.6, August 15, 2004, through 1.0.21rc1, November 8, 2006, are + * libpng versions 1.2.6, August 15, 2004, through 1.0.21rc2, November 13, 2006, are * Copyright (c) 2004, 2006 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: @@ -269,13 +269,13 @@ * Y2K compliance in libpng: * ========================= * - * November 8, 2006 + * November 13, 2006 * * 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 1.0.21rc1 are Y2K compliant. It is my belief that earlier + * upward through 1.0.21rc2 are Y2K compliant. It is my belief that earlier * versions were also Y2K compliant. * * Libpng only has three year fields. One is a 2-byte unsigned integer @@ -331,9 +331,9 @@ */ /* Version information for png.h - this should match the version in png.c */ -#define PNG_LIBPNG_VER_STRING "1.0.21rc1" +#define PNG_LIBPNG_VER_STRING "1.0.21rc2" #define PNG_HEADER_VERSION_STRING \ - " libpng version 1.0.21rc1 - November 8, 2006 (header)\n" + " libpng version 1.0.21rc2 - November 13, 2006 (header)\n" #define PNG_LIBPNG_VER_SONUM 0 #define PNG_LIBPNG_VER_DLLNUM 10 @@ -345,7 +345,7 @@ /* This should match the numeric part of the final component of * PNG_LIBPNG_VER_STRING, omitting any leading zero: */ -#define PNG_LIBPNG_VER_BUILD 1 +#define PNG_LIBPNG_VER_BUILD 2 /* Release Status */ #define PNG_LIBPNG_BUILD_ALPHA 1 @@ -1375,7 +1375,7 @@ struct png_struct_def /* This triggers a compiler error in png.c, if png.c and png.h * do not agree upon the version number. */ -typedef png_structp version_1_0_21rc1; +typedef png_structp version_1_0_21rc2; typedef png_struct FAR * FAR * png_structpp; @@ -1,7 +1,7 @@ /* pngconf.h - machine configurable file for libpng * - * libpng version 1.0.21rc1 - November 8, 2006 + * libpng version 1.0.21rc2 - November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2005 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) diff --git a/pngerror.c b/pngerror.c index 4228a0bcd..c8c58b91d 100644 --- a/pngerror.c +++ b/pngerror.c @@ -1,7 +1,7 @@ /* pngerror.c - stub functions for i/o and memory allocation * - * Last changed in libpng 1.2.9 April 14, 2006 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -212,6 +212,8 @@ png_default_error(png_structp png_ptr, png_const_charp error_message) #endif #ifdef PNG_SETJMP_SUPPORTED + if (png_ptr) + { # ifdef USE_FAR_KEYWORD { jmp_buf jmpbuf; @@ -220,10 +222,9 @@ png_default_error(png_structp png_ptr, png_const_charp error_message) } # else longjmp(png_ptr->jmpbuf, 1); -# endif +# endif + } #else - /* make compiler happy */ ; - if (png_ptr) PNG_ABORT(); #endif #ifdef PNG_NO_CONSOLE_IO @@ -1,7 +1,7 @@ /* pngmem.c - stub functions for memory allocation * - * Last changed in libpng 1.2.9 April 14, 2006 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -137,6 +137,9 @@ png_malloc_default(png_structp png_ptr, png_uint_32 size) png_voidp ret; #endif /* PNG_USER_MEM_SUPPORTED */ + if (png_ptr == NULL || size == 0) + return (NULL); + #ifdef PNG_MAX_MALLOC_64K if (size > (png_uint_32)65536L) { @@ -290,6 +293,8 @@ png_free_default(png_structp png_ptr, png_voidp ptr) { #endif /* PNG_USER_MEM_SUPPORTED */ + if(png_ptr == NULL) return; + if (png_ptr->offset_table != NULL) { int i; @@ -536,6 +541,7 @@ png_voidp PNGAPI png_malloc_warn(png_structp png_ptr, png_uint_32 size) { png_voidp ptr; + if(png_ptr == NULL) return (NULL); png_uint_32 save_flags=png_ptr->flags; png_ptr->flags|=PNG_FLAG_MALLOC_NULL_MEM_OK; @@ -580,9 +586,11 @@ void PNGAPI png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr malloc_fn, png_free_ptr free_fn) { + if(png_ptr != NULL) { png_ptr->mem_ptr = mem_ptr; png_ptr->malloc_fn = malloc_fn; png_ptr->free_fn = free_fn; + } } /* This function returns a pointer to the mem_ptr associated with the user @@ -592,6 +600,7 @@ png_set_mem_fn(png_structp png_ptr, png_voidp mem_ptr, png_malloc_ptr png_voidp PNGAPI png_get_mem_ptr(png_structp png_ptr) { + if(png_ptr == NULL) return (NULL); return ((png_voidp)png_ptr->mem_ptr); } #endif /* PNG_USER_MEM_SUPPORTED */ diff --git a/pngpread.c b/pngpread.c index 7a0d13a78..d226c75d3 100644 --- a/pngpread.c +++ b/pngpread.c @@ -1,7 +1,7 @@ /* pngpread.c - read a png file in push mode * - * Last changed in libpng 1.2.11 - June 7, 2004 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -28,6 +28,7 @@ void PNGAPI png_process_data(png_structp png_ptr, png_infop info_ptr, png_bytep buffer, png_size_t buffer_size) { + if(png_ptr == NULL) return; png_push_restore_buffer(png_ptr, buffer, buffer_size); while (png_ptr->buffer_size) @@ -42,6 +43,7 @@ png_process_data(png_structp png_ptr, png_infop info_ptr, void /* PRIVATE */ png_process_some_data(png_structp png_ptr, png_infop info_ptr) { + if(png_ptr == NULL) return; switch (png_ptr->process_mode) { case PNG_READ_SIG_MODE: @@ -561,6 +563,7 @@ png_push_fill_buffer(png_structp png_ptr, png_bytep buffer, png_size_t length) { png_bytep ptr; + if(png_ptr == NULL) return; ptr = buffer; if (png_ptr->save_buffer_size) { @@ -1550,6 +1553,7 @@ void PNGAPI png_progressive_combine_row (png_structp png_ptr, png_bytep old_row, png_bytep new_row) { + if(png_ptr == NULL) return; #ifdef PNG_USE_LOCAL_ARRAYS const int FARDATA png_pass_dsp_mask[7] = {0xff, 0x0f, 0xff, 0x33, 0xff, 0x55, 0xff}; @@ -1563,6 +1567,7 @@ png_set_progressive_read_fn(png_structp png_ptr, png_voidp progressive_ptr, png_progressive_info_ptr info_fn, png_progressive_row_ptr row_fn, png_progressive_end_ptr end_fn) { + if(png_ptr == NULL) return; png_ptr->info_fn = info_fn; png_ptr->row_fn = row_fn; png_ptr->end_fn = end_fn; @@ -1573,6 +1578,7 @@ png_set_progressive_read_fn(png_structp png_ptr, png_voidp progressive_ptr, png_voidp PNGAPI png_get_progressive_ptr(png_structp png_ptr) { + if(png_ptr == NULL) return (NULL); return png_ptr->io_ptr; } #endif /* PNG_PROGRESSIVE_READ_SUPPORTED */ @@ -1,7 +1,7 @@ /* pngread.c - read a PNG file * - * Last changed in libpng 1.2.11 June 7, 2006 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -188,6 +188,7 @@ png_read_init_2(png_structp png_ptr, png_const_charp user_png_ver, png_size_t png_struct_size, png_size_t png_info_size) { /* We only come here via pre-1.0.12-compiled applications */ + if(png_ptr == NULL) return; #if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) if(png_sizeof(png_struct) > png_struct_size || png_sizeof(png_info) > png_info_size) @@ -239,6 +240,8 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, png_structp png_ptr=*ptr_ptr; + if(png_ptr == NULL) return; + do { if(user_png_ver[i] != png_libpng_ver[i]) @@ -317,6 +320,7 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver, void PNGAPI png_read_info(png_structp png_ptr, png_infop info_ptr) { + if(png_ptr == NULL) return; png_debug(1, "in png_read_info\n"); /* If we haven't checked all of the PNG signature bytes, do so now. */ if (png_ptr->sig_bytes < 8) @@ -533,6 +537,7 @@ void PNGAPI png_read_update_info(png_structp png_ptr, png_infop info_ptr) { png_debug(1, "in png_read_update_info\n"); + if(png_ptr == NULL) return; if (!(png_ptr->flags & PNG_FLAG_ROW_INIT)) png_read_start_row(png_ptr); else @@ -551,6 +556,7 @@ void PNGAPI png_start_read_image(png_structp png_ptr) { png_debug(1, "in png_start_read_image\n"); + if(png_ptr == NULL) return; if (!(png_ptr->flags & PNG_FLAG_ROW_INIT)) png_read_start_row(png_ptr); } @@ -566,6 +572,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row) const int png_pass_mask[7] = {0x80, 0x08, 0x88, 0x22, 0xaa, 0x55, 0xff}; #endif int ret; + if(png_ptr == NULL) return; png_debug2(1, "in png_read_row (row %lu, pass %d)\n", png_ptr->row_number, png_ptr->pass); if (!(png_ptr->flags & PNG_FLAG_ROW_INIT)) @@ -824,6 +831,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row, png_bytepp dp; png_debug(1, "in png_read_rows\n"); + if(png_ptr == NULL) return; rp = row; dp = display_row; if (rp != NULL && dp != NULL) @@ -872,6 +880,7 @@ png_read_image(png_structp png_ptr, png_bytepp image) png_bytepp rp; png_debug(1, "in png_read_image\n"); + if(png_ptr == NULL) return; #ifdef PNG_READ_INTERLACING_SUPPORTED pass = png_set_interlace_handling(png_ptr); @@ -910,6 +919,7 @@ png_read_end(png_structp png_ptr, png_infop info_ptr) png_uint_32 length; png_debug(1, "in png_read_end\n"); + if(png_ptr == NULL) return; png_crc_finish(png_ptr, 0); /* Finish off CRC from last IDAT chunk */ do @@ -1300,6 +1310,7 @@ png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr void PNGAPI png_set_read_status_fn(png_structp png_ptr, png_read_status_ptr read_row_fn) { + if(png_ptr == NULL) return; png_ptr->read_row_fn = read_row_fn; } @@ -1313,6 +1324,7 @@ png_read_png(png_structp png_ptr, png_infop info_ptr, { int row; + if(png_ptr == NULL) return; #if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) /* invert the alpha channel from opacity to transparency */ @@ -1,7 +1,7 @@ /* pngrio.c - functions for data input * - * Last changed in libpng 1.2.9 April 14, 2006 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -46,6 +46,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length) { png_size_t check; + if(png_ptr == NULL) return; /* fread() returns 0 on error, so it is OK to store this in a png_size_t * instead of an int, which is what fread() actually returns. */ @@ -76,6 +77,7 @@ png_default_read_data(png_structp png_ptr, png_bytep data, png_size_t length) png_byte *n_data; png_FILE_p io_ptr; + if(png_ptr == NULL) return; /* Check if data really is near. If so, use usual code. */ n_data = (png_byte *)CVT_PTR_NOCHECK(data); io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr); @@ -136,6 +138,7 @@ void PNGAPI png_set_read_fn(png_structp png_ptr, png_voidp io_ptr, png_rw_ptr read_data_fn) { + if(png_ptr == NULL) return; png_ptr->io_ptr = io_ptr; #if !defined(PNG_NO_STDIO) diff --git a/pngrtran.c b/pngrtran.c index bd1f59787..8f6860367 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 1.2.11 June 15, 2006 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -24,6 +24,7 @@ png_set_crc_action(png_structp png_ptr, int crit_action, int ancil_action) { png_debug(1, "in png_set_crc_action\n"); /* Tell libpng how we react to CRC errors in critical chunks */ + if(png_ptr == NULL) return; switch (crit_action) { case PNG_CRC_NO_CHANGE: /* leave setting as is */ @@ -80,6 +81,7 @@ png_set_background(png_structp png_ptr, int need_expand, double background_gamma) { png_debug(1, "in png_set_background\n"); + if(png_ptr == NULL) return; if (background_gamma_code == PNG_BACKGROUND_GAMMA_UNKNOWN) { png_warning(png_ptr, "Application must supply a known background gamma"); @@ -112,6 +114,7 @@ void PNGAPI png_set_strip_16(png_structp png_ptr) { png_debug(1, "in png_set_strip_16\n"); + if(png_ptr == NULL) return; png_ptr->transformations |= PNG_16_TO_8; } #endif @@ -121,6 +124,7 @@ void PNGAPI png_set_strip_alpha(png_structp png_ptr) { png_debug(1, "in png_set_strip_alpha\n"); + if(png_ptr == NULL) return; png_ptr->flags |= PNG_FLAG_STRIP_ALPHA; } #endif @@ -150,6 +154,7 @@ png_set_dither(png_structp png_ptr, png_colorp palette, int full_dither) { png_debug(1, "in png_set_dither\n"); + if(png_ptr == NULL) return; png_ptr->transformations |= PNG_DITHER; if (!full_dither) @@ -533,6 +538,7 @@ void PNGAPI png_set_gamma(png_structp png_ptr, double scrn_gamma, double file_gamma) { png_debug(1, "in png_set_gamma\n"); + if(png_ptr == NULL) return; if ((fabs(scrn_gamma * file_gamma - 1.0) > PNG_GAMMA_THRESHOLD) || (png_ptr->color_type & PNG_COLOR_MASK_ALPHA) || (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE)) @@ -551,6 +557,7 @@ void PNGAPI png_set_expand(png_structp png_ptr) { png_debug(1, "in png_set_expand\n"); + if(png_ptr == NULL) return; png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); } @@ -576,6 +583,7 @@ void PNGAPI png_set_palette_to_rgb(png_structp png_ptr) { png_debug(1, "in png_set_palette_to_rgb\n"); + if(png_ptr == NULL) return; png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); } @@ -585,6 +593,7 @@ void PNGAPI png_set_expand_gray_1_2_4_to_8(png_structp png_ptr) { png_debug(1, "in png_set_expand_gray_1_2_4_to_8\n"); + if(png_ptr == NULL) return; png_ptr->transformations |= PNG_EXPAND_tRNS; } #endif @@ -596,6 +605,7 @@ void PNGAPI png_set_gray_1_2_4_to_8(png_structp png_ptr) { png_debug(1, "in png_set_gray_1_2_4_to_8\n"); + if(png_ptr == NULL) return; png_ptr->transformations |= (PNG_EXPAND | PNG_EXPAND_tRNS); } #endif @@ -631,6 +641,7 @@ png_set_rgb_to_gray(png_structp png_ptr, int error_action, double red, { int red_fixed = (int)((float)red*100000.0 + 0.5); int green_fixed = (int)((float)green*100000.0 + 0.5); + if(png_ptr == NULL) return; png_set_rgb_to_gray_fixed(png_ptr, error_action, red_fixed, green_fixed); } #endif @@ -640,6 +651,7 @@ png_set_rgb_to_gray_fixed(png_structp png_ptr, int error_action, png_fixed_point red, png_fixed_point green) { png_debug(1, "in png_set_rgb_to_gray\n"); + if(png_ptr == NULL) return; switch(error_action) { case 1: png_ptr->transformations |= PNG_RGB_TO_GRAY; @@ -690,6 +702,7 @@ png_set_read_user_transform_fn(png_structp png_ptr, png_user_transform_ptr read_user_transform_fn) { png_debug(1, "in png_set_read_user_transform_fn\n"); + if(png_ptr == NULL) return; #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) png_ptr->transformations |= PNG_USER_TRANSFORM; png_ptr->read_user_transform_fn = read_user_transform_fn; diff --git a/pngrutil.c b/pngrutil.c index 78527e078..39c7595e1 100644 --- a/pngrutil.c +++ b/pngrutil.c @@ -1,7 +1,7 @@ /* pngrutil.c - utilities to read a PNG file * - * Last changed in libpng 1.2.11 June 4, 2006 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -90,6 +90,7 @@ png_get_uint_16(png_bytep buf) void /* PRIVATE */ png_crc_read(png_structp png_ptr, png_bytep buf, png_size_t length) { + if(png_ptr == NULL) return; png_read_data(png_ptr, buf, length); png_calculate_crc(png_ptr, buf, length); } @@ -1,7 +1,7 @@ /* pngset.c - storage of image information into info struct * - * Last changed in libpng 1.2.9 April 14, 2006 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -1256,6 +1256,7 @@ png_set_user_limits (png_structp png_ptr, png_uint_32 user_width_max, * rejected by png_set_IHDR(). To accept any PNG datastream * regardless of dimensions, set both limits to 0x7ffffffL. */ + if(png_ptr == NULL) return; png_ptr->user_width_max = user_width_max; png_ptr->user_height_max = user_height_max; } @@ -1549,4 +1549,4 @@ main(int argc, char *argv[]) } /* Generate a compiler error if there is an old png.h in the search path. */ -typedef version_1_0_21rc1 your_png_h_is_not_version_1_0_21rc1; +typedef version_1_0_21rc2 your_png_h_is_not_version_1_0_21rc2; diff --git a/pngtrans.c b/pngtrans.c index 9c4d67cd0..25f42c871 100644 --- a/pngtrans.c +++ b/pngtrans.c @@ -1,7 +1,7 @@ /* pngtrans.c - transforms the data in a row (used by both readers and writers) * - * Last changed in libpng 1.2.9 April 14, 2006 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -18,6 +18,7 @@ void PNGAPI png_set_bgr(png_structp png_ptr) { png_debug(1, "in png_set_bgr\n"); + if(png_ptr == NULL) return; png_ptr->transformations |= PNG_BGR; } #endif @@ -28,6 +29,7 @@ void PNGAPI png_set_swap(png_structp png_ptr) { png_debug(1, "in png_set_swap\n"); + if(png_ptr == NULL) return; if (png_ptr->bit_depth == 16) png_ptr->transformations |= PNG_SWAP_BYTES; } @@ -39,6 +41,7 @@ void PNGAPI png_set_packing(png_structp png_ptr) { png_debug(1, "in png_set_packing\n"); + if(png_ptr == NULL) return; if (png_ptr->bit_depth < 8) { png_ptr->transformations |= PNG_PACK; @@ -53,6 +56,7 @@ void PNGAPI png_set_packswap(png_structp png_ptr) { png_debug(1, "in png_set_packswap\n"); + if(png_ptr == NULL) return; if (png_ptr->bit_depth < 8) png_ptr->transformations |= PNG_PACKSWAP; } @@ -63,6 +67,7 @@ void PNGAPI png_set_shift(png_structp png_ptr, png_color_8p true_bits) { png_debug(1, "in png_set_shift\n"); + if(png_ptr == NULL) return; png_ptr->transformations |= PNG_SHIFT; png_ptr->shift = *true_bits; } @@ -74,7 +79,7 @@ int PNGAPI png_set_interlace_handling(png_structp png_ptr) { png_debug(1, "in png_set_interlace handling\n"); - if (png_ptr->interlaced) + if (png_ptr && png_ptr->interlaced) { png_ptr->transformations |= PNG_INTERLACE; return (7); @@ -94,6 +99,7 @@ void PNGAPI png_set_filler(png_structp png_ptr, png_uint_32 filler, int filler_loc) { png_debug(1, "in png_set_filler\n"); + if(png_ptr == NULL) return; png_ptr->transformations |= PNG_FILLER; png_ptr->filler = (png_byte)filler; if (filler_loc == PNG_FILLER_AFTER) @@ -126,6 +132,7 @@ void PNGAPI png_set_add_alpha(png_structp png_ptr, png_uint_32 filler, int filler_loc) { png_debug(1, "in png_set_add_alpha\n"); + if(png_ptr == NULL) return; png_set_filler(png_ptr, filler, filler_loc); png_ptr->transformations |= PNG_ADD_ALPHA; } @@ -139,6 +146,7 @@ void PNGAPI png_set_swap_alpha(png_structp png_ptr) { png_debug(1, "in png_set_swap_alpha\n"); + if(png_ptr == NULL) return; png_ptr->transformations |= PNG_SWAP_ALPHA; } #endif @@ -149,6 +157,7 @@ void PNGAPI png_set_invert_alpha(png_structp png_ptr) { png_debug(1, "in png_set_invert_alpha\n"); + if(png_ptr == NULL) return; png_ptr->transformations |= PNG_INVERT_ALPHA; } #endif @@ -158,6 +167,7 @@ void PNGAPI png_set_invert_mono(png_structp png_ptr) { png_debug(1, "in png_set_invert_mono\n"); + if(png_ptr == NULL) return; png_ptr->transformations |= PNG_INVERT_MONO; } @@ -621,6 +631,7 @@ png_set_user_transform_info(png_structp png_ptr, png_voidp user_transform_ptr, int user_transform_depth, int user_transform_channels) { png_debug(1, "in png_set_user_transform_info\n"); + if(png_ptr == NULL) return; #if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) png_ptr->user_transform_ptr = user_transform_ptr; png_ptr->user_transform_depth = (png_byte)user_transform_depth; @@ -641,12 +652,10 @@ png_set_user_transform_info(png_structp png_ptr, png_voidp png_voidp PNGAPI png_get_user_transform_ptr(png_structp png_ptr) { + if (png_ptr == NULL) return (NULL); #if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED) return ((png_voidp)png_ptr->user_transform_ptr); -#else - if(png_ptr) - return (NULL); - return (NULL); #endif + return (NULL); } #endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */ @@ -1,7 +1,7 @@ /* pngwio.c - functions for data output * - * Last changed in libpng 1.2.3 - May 21, 2002 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2002 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -45,6 +45,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length) { png_uint_32 check; + if(png_ptr == NULL) return; #if defined(_WIN32_WCE) if ( !WriteFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) ) check = 0; @@ -70,6 +71,7 @@ png_default_write_data(png_structp png_ptr, png_bytep data, png_size_t length) png_byte *near_data; /* Needs to be "png_byte *" instead of "png_bytep" */ png_FILE_p io_ptr; + if(png_ptr == NULL) return; /* Check if data really is near. If so, use usual code. */ near_data = (png_byte *)CVT_PTR_NOCHECK(data); io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr); @@ -129,6 +131,7 @@ png_flush(png_structp png_ptr) void PNGAPI png_default_flush(png_structp png_ptr) { + if(png_ptr == NULL) return; #if !defined(_WIN32_WCE) png_FILE_p io_ptr; io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr)); @@ -165,6 +168,7 @@ void PNGAPI png_set_write_fn(png_structp png_ptr, png_voidp io_ptr, png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn) { + if(png_ptr == NULL) return; png_ptr->io_ptr = io_ptr; #if !defined(PNG_NO_STDIO) diff --git a/pngwrite.c b/pngwrite.c index 95984f6e5..bc4821869 100644 --- a/pngwrite.c +++ b/pngwrite.c @@ -1,7 +1,7 @@ /* pngwrite.c - general routines to write a PNG file * - * Last changed in libpng 1.2.9 April 14, 2006 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -576,6 +576,7 @@ png_write_init_2(png_structp png_ptr, png_const_charp user_png_ver, png_size_t png_struct_size, png_size_t png_info_size) { /* We only come here via pre-1.0.12-compiled applications */ + if(png_ptr == NULL) return; #if !defined(PNG_NO_STDIO) && !defined(_WIN32_WCE) if(png_sizeof(png_struct) > png_struct_size || png_sizeof(png_info) > png_info_size) diff --git a/pngwutil.c b/pngwutil.c index 920c1e053..f7e72e36f 100644 --- a/pngwutil.c +++ b/pngwutil.c @@ -1,7 +1,7 @@ /* pngwutil.c - utilities to write a PNG file * - * Last changed in libpng 1.2.13 July 20, 2006 + * Last changed in libpng 1.2.13 November 13, 2006 * For conditions of distribution and use, see copyright notice in png.h * Copyright (c) 1998-2006 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) @@ -62,6 +62,7 @@ void PNGAPI png_write_chunk(png_structp png_ptr, png_bytep chunk_name, png_bytep data, png_size_t length) { + if(png_ptr == NULL) return; png_write_chunk_start(png_ptr, chunk_name, (png_uint_32)length); png_write_chunk_data(png_ptr, data, length); png_write_chunk_end(png_ptr); @@ -77,6 +78,7 @@ png_write_chunk_start(png_structp png_ptr, png_bytep chunk_name, { png_byte buf[4]; png_debug2(0, "Writing %s chunk (%lu bytes)\n", chunk_name, length); + if(png_ptr == NULL) return; /* write the length */ png_save_uint_32(buf, length); @@ -98,6 +100,7 @@ void PNGAPI png_write_chunk_data(png_structp png_ptr, png_bytep data, png_size_t length) { /* write the data, and run the CRC over it */ + if(png_ptr == NULL) return; if (data != NULL && length > 0) { png_calculate_crc(png_ptr, data, length); @@ -111,6 +114,8 @@ png_write_chunk_end(png_structp png_ptr) { png_byte buf[4]; + if(png_ptr == NULL) return; + /* write the crc */ png_save_uint_32(buf, png_ptr->crc); diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in index 07f51c982..da4b7b263 100755 --- a/scripts/libpng-config-head.in +++ b/scripts/libpng-config-head.in @@ -8,7 +8,7 @@ # Modeled after libxml-config. -version=1.0.21rc1 +version=1.0.21rc2 prefix="" libdir="" libs="" diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in index d14119a97..3ac28dda9 100644 --- a/scripts/libpng.pc.in +++ b/scripts/libpng.pc.in @@ -5,6 +5,6 @@ includedir=@includedir@/libpng10 Name: libpng Description: Loads and saves PNG files -Version: 1.0.21rc1 +Version: 1.0.21rc2 Libs: -L${libdir} -lpng10 Cflags: -I${includedir} diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu index 0b22bd635..64cec18e5 100644 --- a/scripts/makefile.32sunu +++ b/scripts/makefile.32sunu @@ -8,7 +8,7 @@ # Library name: LIBNAME=libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu index c9dba3a18..448fdad6f 100644 --- a/scripts/makefile.64sunu +++ b/scripts/makefile.64sunu @@ -8,7 +8,7 @@ # Library name: LIBNAME=libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.aix b/scripts/makefile.aix index dd7f21188..12671efc4 100644 --- a/scripts/makefile.aix +++ b/scripts/makefile.aix @@ -20,7 +20,7 @@ LN_SF = ln -f -s LIBNAME=libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) prefix=/usr/local diff --git a/scripts/makefile.beos b/scripts/makefile.beos index 4116866e2..7eb46e06e 100644 --- a/scripts/makefile.beos +++ b/scripts/makefile.beos @@ -8,7 +8,7 @@ # Library name: LIBNAME=libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin index 445709736..5c4000ee6 100644 --- a/scripts/makefile.cygwin +++ b/scripts/makefile.cygwin @@ -80,7 +80,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ LIBNAME = libpng10 PNGMAJ = 0 CYGDLL = 10 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) SHAREDLIB=cygpng$(CYGDLL).dll diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin index 45a44eada..c2c4d9d8f 100644 --- a/scripts/makefile.darwin +++ b/scripts/makefile.darwin @@ -19,7 +19,7 @@ ZLIBINC=../zlib # Library name: LIBNAME = libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.dec b/scripts/makefile.dec index 6725f65d6..53435aeb0 100644 --- a/scripts/makefile.dec +++ b/scripts/makefile.dec @@ -5,7 +5,7 @@ # Library name: PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) LIBNAME = libpng10 diff --git a/scripts/makefile.elf b/scripts/makefile.elf index dfe79fc7f..bc980cd9a 100644 --- a/scripts/makefile.elf +++ b/scripts/makefile.elf @@ -12,7 +12,7 @@ # Library name: LIBNAME = libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx index 6443d1da5..5273b30db 100644 --- a/scripts/makefile.gcmmx +++ b/scripts/makefile.gcmmx @@ -16,7 +16,7 @@ # Library name: LIBNAME = libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64 index 08975c1b7..89ebf0e2a 100644 --- a/scripts/makefile.hp64 +++ b/scripts/makefile.hp64 @@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include # Library name: LIBNAME = libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc index bd21e66d5..d3da714b2 100644 --- a/scripts/makefile.hpgcc +++ b/scripts/makefile.hpgcc @@ -8,7 +8,7 @@ # Library name: LIBNAME = libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux index c12fb5cd6..63f186900 100644 --- a/scripts/makefile.hpux +++ b/scripts/makefile.hpux @@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include # Library name: LIBNAME = libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.linux b/scripts/makefile.linux index 531a2944e..ffbc7870a 100644 --- a/scripts/makefile.linux +++ b/scripts/makefile.linux @@ -6,7 +6,7 @@ # Library name: LIBNAME = libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw index f9a520787..f92bc1dc5 100644 --- a/scripts/makefile.mingw +++ b/scripts/makefile.mingw @@ -76,7 +76,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ LIBNAME = libpng10 PNGMAJ = 0 MINGDLL = 10 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) SHAREDLIB=libpng$(MINGDLL).dll diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd index 2589c3a08..4a995238a 100644 --- a/scripts/makefile.ne12bsd +++ b/scripts/makefile.ne12bsd @@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng10 LIB= png12 SHLIB_MAJOR= 0 -SHLIB_MINOR= 1.0.21rc1 +SHLIB_MINOR= 1.0.21rc2 SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ pngwtran.c pngmem.c pngerror.c pngpread.c diff --git a/scripts/makefile.netbsd b/scripts/makefile.netbsd index 5bc1bbd3b..f8e8731f5 100644 --- a/scripts/makefile.netbsd +++ b/scripts/makefile.netbsd @@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng LIB= png SHLIB_MAJOR= 3 -SHLIB_MINOR= 1.0.21rc1 +SHLIB_MINOR= 1.0.21rc2 SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ pngwtran.c pngmem.c pngerror.c pngpread.c diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd index b38688584..915f32495 100644 --- a/scripts/makefile.openbsd +++ b/scripts/makefile.openbsd @@ -7,7 +7,7 @@ LIBDIR= ${PREFIX}/lib MANDIR= ${PREFIX}/man/cat SHLIB_MAJOR= 0 -SHLIB_MINOR= 1.0.21rc1 +SHLIB_MINOR= 1.0.21rc2 LIB= png SRCS= png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \ diff --git a/scripts/makefile.sco b/scripts/makefile.sco index 2a50a71d8..c69dc6365 100644 --- a/scripts/makefile.sco +++ b/scripts/makefile.sco @@ -9,7 +9,7 @@ # Library name: LIBNAME = libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc index 129601845..2f8ddbdfa 100644 --- a/scripts/makefile.sggcc +++ b/scripts/makefile.sggcc @@ -6,7 +6,7 @@ # Library name: LIBNAME=libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi index 648603207..c7abd71e9 100644 --- a/scripts/makefile.sgi +++ b/scripts/makefile.sgi @@ -6,7 +6,7 @@ # Library name: LIBNAME=libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.so9 b/scripts/makefile.so9 index 9ac029b94..b46c4c97c 100644 --- a/scripts/makefile.so9 +++ b/scripts/makefile.so9 @@ -8,7 +8,7 @@ # Library name: PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) LIBNAME = libpng10 diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris index 4e35f3d08..d8b4e7643 100644 --- a/scripts/makefile.solaris +++ b/scripts/makefile.solaris @@ -8,7 +8,7 @@ # Library name: LIBNAME = libpng10 PNGMAJ = 0 -PNGMIN = 1.0.21rc1 +PNGMIN = 1.0.21rc2 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/pngos2.def b/scripts/pngos2.def index 73f03fa6a..8a937a7de 100644 --- a/scripts/pngos2.def +++ b/scripts/pngos2.def @@ -2,7 +2,7 @@ ; PNG.LIB module definition file for OS/2 ;---------------------------------------- -; Version 1.0.21rc1 +; Version 1.0.21rc2 LIBRARY PNG DESCRIPTION "PNG image compression library for OS/2" diff --git a/scripts/pngw32.def b/scripts/pngw32.def index db44878a0..892121376 100644 --- a/scripts/pngw32.def +++ b/scripts/pngw32.def @@ -5,7 +5,7 @@ LIBRARY EXPORTS -;Version 1.0.21rc1 +;Version 1.0.21rc2 png_build_grayscale_palette @1 png_check_sig @2 png_chunk_error @3 |