From f34e3f4667e7f65f7fe85121e9e9b3a4725d8a6b Mon Sep 17 00:00:00 2001 From: Glenn Randers-Pehrson Date: Sat, 31 Jan 2015 12:46:09 -0600 Subject: [PATCH] [libpng12] Imported from libpng-1.2.53beta01.tar --- ANNOUNCE | 47 +++++++++---------- CHANGES | 3 ++ CMakeLists.txt | 4 +- INSTALL | 4 +- KNOWNBUG | 2 +- LICENSE | 4 +- Makefile.am | 2 +- Makefile.in | 2 +- README | 14 +++--- Y2KINFO | 4 +- configure | 24 +++++----- configure.ac | 6 +-- libpng-1.2.52.txt => libpng-1.2.53beta01.txt | 10 ++-- libpng.3 | 21 +++++---- libpngpf.3 | 4 +- png.5 | 2 +- png.c | 6 +-- png.h | 25 +++++----- pngconf.h | 2 +- pngtest.c | 2 +- projects/wince.txt | 4 +- .../xcode/libpng.xcodeproj/project.pbxproj | 4 +- scripts/README.txt | 14 +++--- scripts/libpng-config-head.in | 2 +- scripts/libpng.pc.in | 2 +- scripts/makefile.32sunu | 2 +- scripts/makefile.64sunu | 2 +- scripts/makefile.aix | 2 +- scripts/makefile.beos | 2 +- scripts/makefile.cegcc | 2 +- scripts/makefile.cygwin | 2 +- scripts/makefile.darwin | 2 +- scripts/makefile.dec | 2 +- scripts/makefile.elf | 2 +- scripts/makefile.gcmmx | 2 +- scripts/makefile.hp64 | 2 +- scripts/makefile.hpgcc | 2 +- scripts/makefile.hpux | 2 +- scripts/makefile.linux | 2 +- scripts/makefile.mingw | 2 +- scripts/makefile.ne12bsd | 2 +- scripts/makefile.netbsd | 2 +- scripts/makefile.nommx | 2 +- scripts/makefile.openbsd | 2 +- scripts/makefile.sco | 2 +- scripts/makefile.sggcc | 2 +- scripts/makefile.sgi | 2 +- scripts/makefile.so9 | 2 +- scripts/makefile.solaris | 2 +- scripts/makefile.solaris-x86 | 2 +- scripts/png32ce.def | 2 +- scripts/pngos2.def | 2 +- scripts/pngw32.def | 2 +- 53 files changed, 137 insertions(+), 133 deletions(-) rename libpng-1.2.52.txt => libpng-1.2.53beta01.txt (99%) diff --git a/ANNOUNCE b/ANNOUNCE index c1ce45de..bcea74bd 100644 --- a/ANNOUNCE +++ b/ANNOUNCE @@ -1,50 +1,49 @@ -Libpng 1.2.52 - November 20, 2014 +Libpng 1.2.53beta01 - January 31, 2015 -This is a public release of libpng, intended for use in production codes. +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. Files available for download: Source files with LF line endings (for Unix/Linux) and with a "configure" script - libpng-1.2.52.tar.xz (LZMA-compressed, recommended) - libpng-1.2.52.tar.gz - libpng-1.2.52.tar.bz2 + libpng-1.2.53beta01.tar.xz (LZMA-compressed, recommended) + libpng-1.2.53beta01.tar.gz + libpng-1.2.53beta01.tar.bz2 Source files with LF line endings (for Unix/Linux) without the "configure" script - libpng-1.2.52-no-config.tar.xz (LZMA-compressed, recommended) - libpng-1.2.52-no-config.tar.gz - libpng-1.2.52-no-config.tar.bz2 + libpng-1.2.53beta01-no-config.tar.xz (LZMA-compressed, recommended) + libpng-1.2.53beta01-no-config.tar.gz + libpng-1.2.53beta01-no-config.tar.bz2 Source files with CRLF line endings (for Windows), without the "configure" script - lpng1252.zip - lpng1252.7z - lpng1252.tar.bz2 + lp1253b01.zip + lp1253b01.7z + lp1253b01.tar.bz2 Project files - libpng-1.2.52-project-netware.zip - libpng-1.2.52-project-wince.zip + libpng-1.2.53beta01-project-netware.zip + libpng-1.2.53beta01-project-wince.zip Other information: - libpng-1.2.52-README.txt - libpng-1.2.52-KNOWNBUGS.txt - libpng-1.2.52-LICENSE.txt - libpng-1.2.52-Y2K-compliance.txt - libpng-1.2.52-[previous version]-diff.txt - libpng-1.2.52-*.asc (armored detached GPG signatures) + libpng-1.2.53beta01-README.txt + libpng-1.2.53beta01-KNOWNBUGS.txt + libpng-1.2.53beta01-LICENSE.txt + libpng-1.2.53beta01-Y2K-compliance.txt + libpng-1.2.53beta01-[previous version]-diff.txt + libpng-1.2.53beta01-*.asc (armored detached GPG signatures) -Changes since the last public release (1.2.51): - Avoid out-of-bounds memory access while checking version string in - pngread.c and pngwrite.c - Added "-D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS" to - CFLAGS in scripts/makefile.vcwin32 +Changes since the last public release (1.2.52): + +version 1.2.53beta01 [RDATE%] Send comments/corrections/commendations to png-mng-implement at lists.sf.net (subscription required; visit diff --git a/CHANGES b/CHANGES index 0818e85e..02fe953d 100644 --- a/CHANGES +++ b/CHANGES @@ -2826,6 +2826,9 @@ version 1.2.52rc02 [November 17, 2014] and scripts/makefile.vcawin32. version 1.0.62 and 1.2.52 [November 20, 2014] + No changes. + +version 1.2.53beta01 [RDATE%] Send comments/corrections/commendations to png-mng-implement at lists.sf.net (subscription required; visit diff --git a/CMakeLists.txt b/CMakeLists.txt index 1e1c795e..d0ec25e7 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -22,7 +22,7 @@ enable_testing() set(PNGLIB_MAJOR 1) set(PNGLIB_MINOR 2) -set(PNGLIB_RELEASE 52) +set(PNGLIB_RELEASE 53) set(PNGLIB_NAME libpng${PNGLIB_MAJOR}${PNGLIB_MINOR}) set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_RELEASE}) @@ -215,7 +215,7 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/libpng-config.in # SET UP LINKS if(PNG_SHARED) set_target_properties(${PNG_LIB_NAME} PROPERTIES -# VERSION 0.${PNGLIB_RELEASE}.1.2.52 +# VERSION 0.${PNGLIB_RELEASE}.1.2.53beta01 VERSION 0.${PNGLIB_RELEASE}.0 SOVERSION 0 CLEAN_DIRECT_OUTPUT 1) diff --git a/INSTALL b/INSTALL index 36198d7a..71a1c34c 100644 --- a/INSTALL +++ b/INSTALL @@ -1,5 +1,5 @@ -Installing libpng version 1.2.52 - November 20, 2014 +Installing libpng version 1.2.53beta01 - January 31, 2015 On Unix/Linux and similar systems, you can simply type @@ -46,7 +46,7 @@ to have access to the zlib.h and zconf.h include files that correspond to the version of zlib that's installed. You can rename the directories that you downloaded (they -might be called "libpng-1.2.52" or "libpng12" and "zlib-1.2.3" +might be called "libpng-1.2.53beta01" or "libpng12" and "zlib-1.2.3" or "zlib123") so that you have directories called "zlib" and "libpng". Your directory structure should look like this: diff --git a/KNOWNBUG b/KNOWNBUG index 94a2136d..de370c52 100644 --- a/KNOWNBUG +++ b/KNOWNBUG @@ -1,5 +1,5 @@ -Known bugs in libpng version 1.2.52 +Known bugs in libpng version 1.2.53beta01 1. February 23, 2006: The custom makefiles don't build libpng with -lz. diff --git a/LICENSE b/LICENSE index 07ece314..c46f7fc5 100644 --- a/LICENSE +++ b/LICENSE @@ -10,7 +10,7 @@ this sentence. This code is released under the libpng license. -libpng versions 1.2.6, August 15, 2004, through 1.2.52, November 20, 2014, are +libpng versions 1.2.6, August 15, 2004, through 1.2.53beta01, January 31, 2015, are Copyright (c) 2004, 2006-2014 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 @@ -108,4 +108,4 @@ certification mark of the Open Source Initiative. Glenn Randers-Pehrson glennrp at users.sourceforge.net -November 20, 2014 +January 31, 2015 diff --git a/Makefile.am b/Makefile.am index c2e96d40..ce200d70 100644 --- a/Makefile.am +++ b/Makefile.am @@ -89,7 +89,7 @@ EXTRA_DIST= \ ${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/visupng/* \ $(TESTS) \ - example.c libpng-1.2.52.txt pnggccrd.c pngvcrd.c + example.c libpng-1.2.53beta01.txt pnggccrd.c pngvcrd.c CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \ libpng.sym diff --git a/Makefile.in b/Makefile.in index 0f5dd236..46620a67 100644 --- a/Makefile.in +++ b/Makefile.in @@ -637,7 +637,7 @@ EXTRA_DIST = \ ${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/visupng/* \ $(TESTS) \ - example.c libpng-1.2.52.txt pnggccrd.c pngvcrd.c + example.c libpng-1.2.53beta01.txt pnggccrd.c pngvcrd.c CLEANFILES = pngout.png libpng12.pc libpng12-config libpng.vers \ libpng.sym diff --git a/README b/README index 4b49627b..50a86ce8 100644 --- a/README +++ b/README @@ -1,4 +1,4 @@ -README for libpng version 1.2.52 - November 20, 2014 (shared library 12.0) +README for libpng version 1.2.53beta01 - January 31, 2015 (shared library 12.0) See the note about version numbers near the top of png.h See INSTALL for instructions on how to install libpng. @@ -207,11 +207,11 @@ Files in this distribution: makefile.std => Generic UNIX makefile (cc, creates static libpng.a) makefile.elf => Linux/ELF gcc makefile symbol versioning, - creates libpng12.so.0.1.2.52) + creates libpng12.so.0.1.2.53beta01) makefile.linux => Linux/ELF makefile (gcc, creates - libpng12.so.0.1.2.52) + libpng12.so.0.1.2.53beta01) makefile.gcmmx => Linux/ELF makefile (gcc, creates - libpng12.so.0.1.2.52, previously + libpng12.so.0.1.2.53beta01, previously used assembler code tuned for Intel MMX platform) makefile.gcc => Generic makefile (gcc, creates static @@ -236,12 +236,12 @@ Files in this distribution: makefile.openbsd => OpenBSD makefile makefile.sgi => Silicon Graphics IRIX (cc, creates static lib) makefile.sggcc => Silicon Graphics - (gcc, creates libpng12.so.0.1.2.52) + (gcc, creates libpng12.so.0.1.2.53beta01) makefile.sunos => Sun makefile makefile.solaris => Solaris 2.X makefile - (gcc, creates libpng12.so.0.1.2.52) + (gcc, creates libpng12.so.0.1.2.53beta01) makefile.so9 => Solaris 9 makefile - (gcc, creates libpng12.so.0.1.2.52) + (gcc, creates libpng12.so.0.1.2.53beta01) 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 diff --git a/Y2KINFO b/Y2KINFO index 0d41e184..7b0c9ed7 100644 --- a/Y2KINFO +++ b/Y2KINFO @@ -1,13 +1,13 @@ Y2K compliance in libpng: ========================= - November 20, 2014 + January 31, 2015 Since the PNG Development group is an ad-hoc body, we can't make an official declaration. This is your unofficial assurance that libpng from version 0.71 and - upward through 1.2.52 are Y2K compliant. It is my belief that earlier + upward through 1.2.53beta01 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 diff --git a/configure b/configure index 2b44d3e8..75be4481 100755 --- a/configure +++ b/configure @@ -1,6 +1,6 @@ #! /bin/sh # Guess values for system-dependent variables and create Makefiles. -# Generated by GNU Autoconf 2.69 for libpng 1.2.52. +# Generated by GNU Autoconf 2.69 for libpng 1.2.53beta01. # # Report bugs to . # @@ -590,8 +590,8 @@ MAKEFLAGS= # Identity of this package. PACKAGE_NAME='libpng' PACKAGE_TARNAME='libpng' -PACKAGE_VERSION='1.2.52' -PACKAGE_STRING='libpng 1.2.52' +PACKAGE_VERSION='1.2.53beta01' +PACKAGE_STRING='libpng 1.2.53beta01' PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net' PACKAGE_URL='' @@ -1331,7 +1331,7 @@ if test "$ac_init_help" = "long"; then # Omit some internal or obsolete options to make the list less imposing. # This message is too long to be a string in the A/UX 3.1 sh. cat <<_ACEOF -\`configure' configures libpng 1.2.52 to adapt to many kinds of systems. +\`configure' configures libpng 1.2.53beta01 to adapt to many kinds of systems. Usage: $0 [OPTION]... [VAR=VALUE]... @@ -1401,7 +1401,7 @@ fi if test -n "$ac_init_help"; then case $ac_init_help in - short | recursive ) echo "Configuration of libpng 1.2.52:";; + short | recursive ) echo "Configuration of libpng 1.2.53beta01:";; esac cat <<\_ACEOF @@ -1515,7 +1515,7 @@ fi test -n "$ac_init_help" && exit $ac_status if $ac_init_version; then cat <<\_ACEOF -libpng configure 1.2.52 +libpng configure 1.2.53beta01 generated by GNU Autoconf 2.69 Copyright (C) 2012 Free Software Foundation, Inc. @@ -1938,7 +1938,7 @@ cat >config.log <<_ACEOF This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. -It was created by libpng $as_me 1.2.52, which was +It was created by libpng $as_me 1.2.53beta01, which was generated by GNU Autoconf 2.69. Invocation command line was $ $0 $@ @@ -2801,7 +2801,7 @@ fi # Define the identity of the package. PACKAGE='libpng' - VERSION='1.2.52' + VERSION='1.2.53beta01' cat >>confdefs.h <<_ACEOF @@ -2917,10 +2917,10 @@ fi -PNGLIB_VERSION=1.2.52 +PNGLIB_VERSION=1.2.53beta01 PNGLIB_MAJOR=1 PNGLIB_MINOR=2 -PNGLIB_RELEASE=52 +PNGLIB_RELEASE=53 @@ -13123,7 +13123,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 # report actual input values of CONFIG_FILES etc. instead of their # values after options handling. ac_log=" -This file was extended by libpng $as_me 1.2.52, which was +This file was extended by libpng $as_me 1.2.53beta01, which was generated by GNU Autoconf 2.69. Invocation command line was CONFIG_FILES = $CONFIG_FILES @@ -13189,7 +13189,7 @@ _ACEOF cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" ac_cs_version="\\ -libpng config.status 1.2.52 +libpng config.status 1.2.53beta01 configured by $0, generated by GNU Autoconf 2.69, with options \\"\$ac_cs_config\\" diff --git a/configure.ac b/configure.ac index 24867fd8..4ede3bc0 100644 --- a/configure.ac +++ b/configure.ac @@ -18,15 +18,15 @@ AC_PREREQ(2.59) dnl Version number stuff here: -AC_INIT([libpng], [1.2.52], [png-mng-implement@lists.sourceforge.net]) +AC_INIT([libpng], [1.2.53beta01], [png-mng-implement@lists.sourceforge.net]) AM_INIT_AUTOMAKE dnl stop configure from automagically running automake AM_MAINTAINER_MODE -PNGLIB_VERSION=1.2.52 +PNGLIB_VERSION=1.2.53beta01 PNGLIB_MAJOR=1 PNGLIB_MINOR=2 -PNGLIB_RELEASE=52 +PNGLIB_RELEASE=53 dnl End of version number stuff diff --git a/libpng-1.2.52.txt b/libpng-1.2.53beta01.txt similarity index 99% rename from libpng-1.2.52.txt rename to libpng-1.2.53beta01.txt index 42f0fbe9..db87e409 100644 --- a/libpng-1.2.52.txt +++ b/libpng-1.2.53beta01.txt @@ -1,6 +1,6 @@ libpng.txt - A description on how to use and modify libpng - libpng version 1.2.52 - November 20, 2014 + libpng version 1.2.53beta01 - January 31, 2015 Updated and distributed by Glenn Randers-Pehrson Copyright (c) 1998-2014 Glenn Randers-Pehrson @@ -11,7 +11,7 @@ libpng.txt - A description on how to use and modify libpng Based on: - libpng versions 0.97, January 1998, through 1.2.52 - November 20, 2014 + libpng versions 0.97, January 1998, through 1.2.53beta01 - January 31, 2015 Updated and distributed by Glenn Randers-Pehrson Copyright (c) 1998-2014 Glenn Randers-Pehrson @@ -878,7 +878,7 @@ things. As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was added. It expands the sample depth without changing tRNS to alpha. -As of libpng version 1.2.52, not all possible expansions are supported. +As of libpng version 1.2.53beta01, not all possible expansions are supported. In the following table, the 01 means grayscale with depth<8, 31 means indexed with depth<8, other numerals represent the color type, "T" means @@ -3183,13 +3183,13 @@ Other rules can be inferred by inspecting the libpng source. XIII. Y2K Compliance in libpng -November 20, 2014 +January 31, 2015 Since the PNG Development group is an ad-hoc body, we can't make an official declaration. This is your unofficial assurance that libpng from version 0.71 and -upward through 1.2.52 are Y2K compliant. It is my belief that earlier +upward through 1.2.53beta01 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/libpng.3 b/libpng.3 index 427b1011..0807c4d8 100644 --- a/libpng.3 +++ b/libpng.3 @@ -1,6 +1,6 @@ -.TH LIBPNG 3 "November 20, 2014" +.TH LIBPNG 3 "January 31, 2015" .SH NAME -libpng \- Portable Network Graphics (PNG) Reference Library 1.2.52 +libpng \- Portable Network Graphics (PNG) Reference Library 1.2.53beta01 .SH SYNOPSIS \fB #include \fP @@ -410,7 +410,7 @@ Following is a copy of the libpng.txt file that accompanies libpng. .SH LIBPNG.TXT libpng.txt - A description on how to use and modify libpng - libpng version 1.2.52 - November 20, 2014 + libpng version 1.2.53beta01 - January 31, 2015 Updated and distributed by Glenn Randers-Pehrson Copyright (c) 1998-2014 Glenn Randers-Pehrson @@ -421,7 +421,7 @@ libpng.txt - A description on how to use and modify libpng Based on: - libpng versions 0.97, January 1998, through 1.2.52 - November 20, 2014 + libpng versions 0.97, January 1998, through 1.2.53beta01 - January 31, 2015 Updated and distributed by Glenn Randers-Pehrson Copyright (c) 1998-2014 Glenn Randers-Pehrson @@ -1288,7 +1288,7 @@ things. As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was added. It expands the sample depth without changing tRNS to alpha. -As of libpng version 1.2.52, not all possible expansions are supported. +As of libpng version 1.2.53beta01, not all possible expansions are supported. In the following table, the 01 means grayscale with depth<8, 31 means indexed with depth<8, other numerals represent the color type, "T" means @@ -3593,13 +3593,13 @@ Other rules can be inferred by inspecting the libpng source. .SH XIII. Y2K Compliance in libpng -November 20, 2014 +January 31, 2015 Since the PNG Development group is an ad-hoc body, we can't make an official declaration. This is your unofficial assurance that libpng from version 0.71 and -upward through 1.2.52 are Y2K compliant. It is my belief that earlier +upward through 1.2.53beta01 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 @@ -3930,6 +3930,7 @@ the first widely used release: 1.2.52rc01-02 13 10252 12.so.0.52[.0] 1.0.62 10 10062 10.so.0.62[.0] 1.2.52 13 10252 12.so.0.52[.0] + 1.2.53beta01 13 10253 12.so.0.53[.0] Henceforth the source version will match the shared-library minor and patch numbers; the shared-library major version number will be @@ -3985,7 +3986,7 @@ possible without all of you. Thanks to Frank J. T. Wojcik for helping with the documentation. -Libpng version 1.2.52 - November 20, 2014: +Libpng version 1.2.53beta01 - January 31, 2015: Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc. Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net). @@ -4008,7 +4009,7 @@ this sentence. This code is released under the libpng license. -libpng versions 1.2.6, August 15, 2004, through 1.2.52, November 20, 2014, are +libpng versions 1.2.6, August 15, 2004, through 1.2.53beta01, January 31, 2015, are Copyright (c) 2004,2006-2008 Glenn Randers-Pehrson, and are distributed according to the same disclaimer and license as libpng-1.2.5 with the following individual added to the list of Contributing Authors @@ -4107,7 +4108,7 @@ certification mark of the Open Source Initiative. Glenn Randers-Pehrson glennrp at users.sourceforge.net -November 20, 2014 +January 31, 2015 .\" end of man page diff --git a/libpngpf.3 b/libpngpf.3 index 82ae8815..f02c95e5 100644 --- a/libpngpf.3 +++ b/libpngpf.3 @@ -1,6 +1,6 @@ -.TH LIBPNGPF 3 "November 20, 2014" +.TH LIBPNGPF 3 "January 31, 2015" .SH NAME -libpng \- Portable Network Graphics (PNG) Reference Library 1.2.52 +libpng \- Portable Network Graphics (PNG) Reference Library 1.2.53beta01 (private functions) .SH SYNOPSIS \fB#include \fP diff --git a/png.5 b/png.5 index c7cfda84..d1770b35 100644 --- a/png.5 +++ b/png.5 @@ -1,4 +1,4 @@ -.TH PNG 5 "November 20, 2014" +.TH PNG 5 "January 31, 2015" .SH NAME png \- Portable Network Graphics (PNG) format .SH DESCRIPTION diff --git a/png.c b/png.c index 2ebb6f75..83d836f1 100644 --- a/png.c +++ b/png.c @@ -17,7 +17,7 @@ #include "png.h" /* Generate a compiler error if there is an old png.h in the search path. */ -typedef version_1_2_52 Your_png_h_is_not_version_1_2_52; +typedef version_1_2_53beta01 Your_png_h_is_not_version_1_2_53beta01; /* Version information for C files. This had better match the version * string defined in png.h. @@ -724,13 +724,13 @@ png_get_copyright(png_structp png_ptr) #else #ifdef __STDC__ return ((png_charp) PNG_STRING_NEWLINE \ - "libpng version 1.2.52 - November 20, 2014" PNG_STRING_NEWLINE \ + "libpng version 1.2.53beta01 - January 31, 2015" PNG_STRING_NEWLINE \ "Copyright (c) 1998-2014 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \ "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \ "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \ PNG_STRING_NEWLINE); #else - return ((png_charp) "libpng version 1.2.52 - November 20, 2014\ + return ((png_charp) "libpng version 1.2.53beta01 - January 31, 2015\ Copyright (c) 1998-2014 Glenn Randers-Pehrson\ Copyright (c) 1996-1997 Andreas Dilger\ Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc."); diff --git a/png.h b/png.h index ed9e4291..a85dbd8a 100644 --- a/png.h +++ b/png.h @@ -1,6 +1,6 @@ /* png.h - header file for PNG reference library * - * libpng version 1.2.52 - November 20, 2014 + * libpng version 1.2.53beta01 - January 31, 2015 * Copyright (c) 1998-2014 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) @@ -10,7 +10,7 @@ * Authors and maintainers: * libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat * libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger - * libpng versions 0.97, January 1998, through 1.2.52 - November 20, 2014: Glenn + * libpng versions 0.97, January 1998, through 1.2.53beta01 - January 31, 2015: Glenn * See also "Contributing Authors", below. * * Note about libpng version numbers: @@ -292,6 +292,7 @@ * 1.2.52rc01-02 13 10252 12.so.0.52[.0] * 1.0.62 10 10062 10.so.0.62[.0] * 1.2.52 13 10252 12.so.0.52[.0] + * 1.2.53beta01 13 10253 12.so.0.53[.0] * * Henceforth the source version will match the shared-library major * and minor numbers; the shared-library major version number will be @@ -323,7 +324,7 @@ * * This code is released under the libpng license. * - * libpng versions 1.2.6, August 15, 2004, through 1.2.52, November 20, 2014, are + * libpng versions 1.2.6, August 15, 2004, through 1.2.53beta01, January 31, 2015, are * Copyright (c) 2004, 2006-2013 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: @@ -435,13 +436,13 @@ * Y2K compliance in libpng: * ========================= * - * November 20, 2014 + * January 31, 2015 * * Since the PNG Development group is an ad-hoc body, we can't make * an official declaration. * * This is your unofficial assurance that libpng from version 0.71 and - * upward through 1.2.52 are Y2K compliant. It is my belief that earlier + * upward through 1.2.53beta01 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 @@ -497,9 +498,9 @@ */ /* Version information for png.h - this should match the version in png.c */ -#define PNG_LIBPNG_VER_STRING "1.2.52" +#define PNG_LIBPNG_VER_STRING "1.2.53beta01" #define PNG_HEADER_VERSION_STRING \ - " libpng version 1.2.52 - November 20, 2014\n" + " libpng version 1.2.53beta01 - January 31, 2015\n" #define PNG_LIBPNG_VER_SONUM 0 #define PNG_LIBPNG_VER_DLLNUM 13 @@ -507,12 +508,12 @@ /* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */ #define PNG_LIBPNG_VER_MAJOR 1 #define PNG_LIBPNG_VER_MINOR 2 -#define PNG_LIBPNG_VER_RELEASE 52 +#define PNG_LIBPNG_VER_RELEASE 53 /* This should match the numeric part of the final component of * PNG_LIBPNG_VER_STRING, omitting any leading zero: */ -#define PNG_LIBPNG_VER_BUILD 0 +#define PNG_LIBPNG_VER_BUILD 01 /* Release Status */ #define PNG_LIBPNG_BUILD_ALPHA 1 @@ -529,7 +530,7 @@ #define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with PNG_LIBPNG_BUILD_PRIVATE */ -#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_STABLE +#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_BETA /* Careful here. At one time, Guy wanted to use 082, but that would be octal. * We must not include leading zeros. @@ -537,7 +538,7 @@ * version 1.0.0 was mis-numbered 100 instead of 10000). From * version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release */ -#define PNG_LIBPNG_VER 10252 /* 1.2.52 */ +#define PNG_LIBPNG_VER 10253 /* 1.2.53 */ #ifndef PNG_VERSION_INFO_ONLY /* Include the compression library's header */ @@ -1577,7 +1578,7 @@ 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_2_52; +typedef png_structp version_1_2_53beta01; typedef png_struct FAR * FAR * png_structpp; diff --git a/pngconf.h b/pngconf.h index 008142e4..62976b7a 100644 --- a/pngconf.h +++ b/pngconf.h @@ -1,7 +1,7 @@ /* pngconf.h - machine configurable file for libpng * - * libpng version 1.2.52 - November 20, 2014 + * libpng version 1.2.53beta01 - January 31, 2015 * Copyright (c) 1998-2013 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.) diff --git a/pngtest.c b/pngtest.c index a99292b2..92f6dab7 100644 --- a/pngtest.c +++ b/pngtest.c @@ -1702,4 +1702,4 @@ main(int argc, char *argv[]) } /* Generate a compiler error if there is an old png.h in the search path. */ -typedef version_1_2_52 your_png_h_is_not_version_1_2_52; +typedef version_1_2_53beta01 your_png_h_is_not_version_1_2_53beta01; diff --git a/projects/wince.txt b/projects/wince.txt index b8528c42..07d2c2d4 100644 --- a/projects/wince.txt +++ b/projects/wince.txt @@ -1,6 +1,6 @@ A set of project files is available for WinCE. Get -libpng-1.2.52-project-wince.zip from a libpng distribution +libpng-1.2.53beta01-project-wince.zip from a libpng distribution site such as http://libpng.sourceforge.net/index.html Put the zip file in this directory (projects) and then run -"unzip -a libpng-1.2.52-project-wince.zip" +"unzip -a libpng-1.2.53beta01-project-wince.zip" diff --git a/projects/xcode/libpng.xcodeproj/project.pbxproj b/projects/xcode/libpng.xcodeproj/project.pbxproj index 872c85f7..f595acdf 100644 --- a/projects/xcode/libpng.xcodeproj/project.pbxproj +++ b/projects/xcode/libpng.xcodeproj/project.pbxproj @@ -222,7 +222,7 @@ COPY_PHASE_STRIP = NO; DYLIB_COMPATIBILITY_VERSION = 3; DYLIB_CURRENT_VERSION = 3; - FRAMEWORK_VERSION = 1.2.52; + FRAMEWORK_VERSION = 1.2.53beta01; GCC_PRECOMPILE_PREFIX_HEADER = NO; GCC_PREFIX_HEADER = ""; INFOPLIST_FILE = Info.plist; @@ -240,7 +240,7 @@ buildSettings = { DYLIB_COMPATIBILITY_VERSION = 3; DYLIB_CURRENT_VERSION = 3; - FRAMEWORK_VERSION = 1.2.52; + FRAMEWORK_VERSION = 1.2.53beta01; GCC_PRECOMPILE_PREFIX_HEADER = NO; GCC_PREFIX_HEADER = ""; INFOPLIST_FILE = Info.plist; diff --git a/scripts/README.txt b/scripts/README.txt index 34a514f0..c5e11bb3 100644 --- a/scripts/README.txt +++ b/scripts/README.txt @@ -1,8 +1,8 @@ -Makefiles for libpng version 1.2.52 - November 20, 2014 +Makefiles for libpng version 1.2.53beta01 - January 31, 2015 makefile.linux => Linux/ELF makefile - (gcc, creates libpng12.so.0.1.2.52) + (gcc, creates libpng12.so.0.1.2.53beta01) makefile.gcc => Generic makefile (gcc, creates static libpng.a) makefile.knr => Archaic UNIX Makefile that converts files with ansi2knr (Requires ansi2knr.c from @@ -20,7 +20,7 @@ Makefiles for libpng version 1.2.52 - November 20, 2014 makefile.dec => DEC Alpha UNIX makefile makefile.dj2 => DJGPP 2 makefile makefile.elf => Linux/ELF makefile symbol versioning, - gcc, creates libpng12.so.0.1.2.52) + gcc, creates libpng12.so.0.1.2.53beta01) makefile.freebsd => FreeBSD makefile makefile.gcc => Generic gcc makefile makefile.gccmmx => Generic gcc makefile previously using MMX code @@ -38,14 +38,14 @@ Makefiles for libpng version 1.2.52 - November 20, 2014 makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def) makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc makefile.sggcc => Silicon Graphics (gcc, - creates libpng12.so.0.1.2.52) + creates libpng12.so.0.1.2.53beta01) makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib) makefile.solaris => Solaris 2.X makefile (gcc, - creates libpng12.so.0.1.2.52) + creates libpng12.so.0.1.2.53beta01) makefile.solaris-x86 => Solaris 2.X makefile (gcc, no MMX code, - creates libpng12.so.0.1.2.52) + creates libpng12.so.0.1.2.53beta01) makefile.so9 => Solaris 9 makefile (gcc, - creates libpng12.so.0.1.2.52) + creates libpng12.so.0.1.2.53beta01) makefile.std => Generic UNIX makefile (cc, creates static libpng.a) makefile.sunos => Sun makefile makefile.32sunu => Sun Ultra 32-bit makefile diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in index 970c7fa8..97b60603 100755 --- a/scripts/libpng-config-head.in +++ b/scripts/libpng-config-head.in @@ -11,7 +11,7 @@ # Modeled after libxml-config. -version=1.2.52 +version=1.2.53beta01 prefix="" libdir="" libs="" diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in index 41c528b3..e2a57137 100644 --- a/scripts/libpng.pc.in +++ b/scripts/libpng.pc.in @@ -5,6 +5,6 @@ includedir=@includedir@/libpng12 Name: libpng Description: Loads and saves PNG files -Version: 1.2.52 +Version: 1.2.53beta01 Libs: -L${libdir} -lpng12 Cflags: -I${includedir} diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu index 14d7f7e9..30cdd6c3 100644 --- a/scripts/makefile.32sunu +++ b/scripts/makefile.32sunu @@ -11,7 +11,7 @@ # Library name: LIBNAME=libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu index dd1d7584..ca8ded50 100644 --- a/scripts/makefile.64sunu +++ b/scripts/makefile.64sunu @@ -11,7 +11,7 @@ # Library name: LIBNAME=libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.aix b/scripts/makefile.aix index 6be833d3..bc83f5c1 100644 --- a/scripts/makefile.aix +++ b/scripts/makefile.aix @@ -23,7 +23,7 @@ LN_SF = ln -f -s LIBNAME=libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) prefix=/usr/local diff --git a/scripts/makefile.beos b/scripts/makefile.beos index a71e6c0d..f2619a35 100644 --- a/scripts/makefile.beos +++ b/scripts/makefile.beos @@ -11,7 +11,7 @@ # Library name: LIBNAME=libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.cegcc b/scripts/makefile.cegcc index 153846f9..0fa93441 100644 --- a/scripts/makefile.cegcc +++ b/scripts/makefile.cegcc @@ -23,7 +23,7 @@ VERMAJ = 1 VERMIN = 2 -VERMIC = 52 +VERMIC = 53 VER = $(VERMAJ).$(VERMIN).$(VERMIC) NAME = libpng PACKAGE = $(NAME)-$(VER) diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin index a39e0516..d7b9f440 100644 --- a/scripts/makefile.cygwin +++ b/scripts/makefile.cygwin @@ -77,7 +77,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ LIBNAME = libpng12 PNGMAJ = 0 CYGDLL = 12 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) SHAREDLIB=cygpng$(CYGDLL).dll diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin index e0ebbc99..59b5c335 100644 --- a/scripts/makefile.darwin +++ b/scripts/makefile.darwin @@ -22,7 +22,7 @@ ZLIBINC=../zlib # Library name: LIBNAME = libpng12 PNGMAJ = 12 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.dec b/scripts/makefile.dec index a6035c43..58628b4a 100644 --- a/scripts/makefile.dec +++ b/scripts/makefile.dec @@ -8,7 +8,7 @@ # Library name: PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) LIBNAME = libpng12 diff --git a/scripts/makefile.elf b/scripts/makefile.elf index 0eab9ffc..816cd1b2 100644 --- a/scripts/makefile.elf +++ b/scripts/makefile.elf @@ -16,7 +16,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx index 023bf47d..71497534 100644 --- a/scripts/makefile.gcmmx +++ b/scripts/makefile.gcmmx @@ -17,7 +17,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64 index 7e23c64a..26347327 100644 --- a/scripts/makefile.hp64 +++ b/scripts/makefile.hp64 @@ -21,7 +21,7 @@ ZLIBINC=/opt/zlib/include # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc index 119f2288..92cfe378 100644 --- a/scripts/makefile.hpgcc +++ b/scripts/makefile.hpgcc @@ -11,7 +11,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux index 39651abf..b10ee58d 100644 --- a/scripts/makefile.hpux +++ b/scripts/makefile.hpux @@ -21,7 +21,7 @@ ZLIBINC=/opt/zlib/include # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.linux b/scripts/makefile.linux index 20b57371..93540c2b 100644 --- a/scripts/makefile.linux +++ b/scripts/makefile.linux @@ -10,7 +10,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw index e47c9eaf..4899a3a9 100644 --- a/scripts/makefile.mingw +++ b/scripts/makefile.mingw @@ -81,7 +81,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \ LIBNAME = libpng12 PNGMAJ = 0 MINGDLL = 12 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) SHAREDLIB=libpng$(MINGDLL).dll diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd index db3504d4..7289ad30 100644 --- a/scripts/makefile.ne12bsd +++ b/scripts/makefile.ne12bsd @@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng12 LIB= png12 SHLIB_MAJOR= 0 -SHLIB_MINOR= 1.2.52 +SHLIB_MINOR= 1.2.53beta01 SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ pngwtran.c pngmem.c pngerror.c pngpread.c diff --git a/scripts/makefile.netbsd b/scripts/makefile.netbsd index 62bdc98e..2ce176e1 100644 --- a/scripts/makefile.netbsd +++ b/scripts/makefile.netbsd @@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include LIB= png SHLIB_MAJOR= 3 -SHLIB_MINOR= 1.2.52 +SHLIB_MINOR= 1.2.53beta01 SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ pngwtran.c pngmem.c pngerror.c pngpread.c diff --git a/scripts/makefile.nommx b/scripts/makefile.nommx index d3cedc08..dd76cc61 100644 --- a/scripts/makefile.nommx +++ b/scripts/makefile.nommx @@ -10,7 +10,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd index 8a5dc27f..733022b0 100644 --- a/scripts/makefile.openbsd +++ b/scripts/makefile.openbsd @@ -11,7 +11,7 @@ LIBDIR= ${PREFIX}/lib MANDIR= ${PREFIX}/man/cat SHLIB_MAJOR= 0 -SHLIB_MINOR= 1.2.52 +SHLIB_MINOR= 1.2.53beta01 LIB= png SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \ diff --git a/scripts/makefile.sco b/scripts/makefile.sco index 8271e923..24660143 100644 --- a/scripts/makefile.sco +++ b/scripts/makefile.sco @@ -12,7 +12,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc index 950a8533..228162f5 100644 --- a/scripts/makefile.sggcc +++ b/scripts/makefile.sggcc @@ -9,7 +9,7 @@ # Library name: LIBNAME=libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi index 56ef8179..468f5a67 100644 --- a/scripts/makefile.sgi +++ b/scripts/makefile.sgi @@ -9,7 +9,7 @@ # Library name: LIBNAME=libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.so9 b/scripts/makefile.so9 index d364c65b..f8266af0 100644 --- a/scripts/makefile.so9 +++ b/scripts/makefile.so9 @@ -11,7 +11,7 @@ # Library name: PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) LIBNAME = libpng12 diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris index eb08e854..e5513865 100644 --- a/scripts/makefile.solaris +++ b/scripts/makefile.solaris @@ -11,7 +11,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/makefile.solaris-x86 b/scripts/makefile.solaris-x86 index 1f0f7404..c6b7f05f 100644 --- a/scripts/makefile.solaris-x86 +++ b/scripts/makefile.solaris-x86 @@ -11,7 +11,7 @@ # Library name: LIBNAME = libpng12 PNGMAJ = 0 -PNGMIN = 1.2.52 +PNGMIN = 1.2.53beta01 PNGVER = $(PNGMAJ).$(PNGMIN) # Shared library names: diff --git a/scripts/png32ce.def b/scripts/png32ce.def index daf29eeb..aa4da521 100644 --- a/scripts/png32ce.def +++ b/scripts/png32ce.def @@ -5,7 +5,7 @@ LIBRARY lpngce EXPORTS -;Version 1.2.52 +;Version 1.2.53beta01 png_build_grayscale_palette @1 png_check_sig @2 png_chunk_error @3 diff --git a/scripts/pngos2.def b/scripts/pngos2.def index 4178f059..935a1b45 100644 --- a/scripts/pngos2.def +++ b/scripts/pngos2.def @@ -2,7 +2,7 @@ ; PNG.LIB module definition file for OS/2 ;---------------------------------------- -; Version 1.2.52 +; Version 1.2.53beta01 LIBRARY PNG DESCRIPTION "PNG image compression library for OS/2" diff --git a/scripts/pngw32.def b/scripts/pngw32.def index 09e67889..31d3abcc 100644 --- a/scripts/pngw32.def +++ b/scripts/pngw32.def @@ -5,7 +5,7 @@ LIBRARY EXPORTS -;Version 1.2.52 +;Version 1.2.53beta01 png_build_grayscale_palette @1 png_check_sig @2 png_chunk_error @3