mewin/libpng
1
0
Fork 0
mirror of https://git.code.sf.net/p/libpng/code.git synced 2025-07-10 18:04:09 +02:00
Code Issues Projects Releases Wiki Activity

Merge branch 'libpng16' into libpng16

Browse Source
This commit is contained in:
Vadim Barkov 2017-01-30 18:44:09 +03:00 committed by GitHub
commit c47ddcf22b
31 changed files with 135 additions and 82 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
ANNOUNCE
View File

@ -1,4 +1,4 @@
Libpng 1.6.29beta01 - January 6, 2017 Libpng 1.6.29beta02 - January 20, 2017
This is not intended to be a public release. It will be replaced 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. within a few weeks by a public version or by another test version.
@ -8,28 +8,33 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a Source files with LF line endings (for Unix/Linux) and with a
"configure" script "configure" script
1.6.29beta01.tar.xz (LZMA-compressed, recommended) 1.6.29beta02.tar.xz (LZMA-compressed, recommended)
1.6.29beta01.tar.gz 1.6.29beta02.tar.gz
Source files with CRLF line endings (for Windows), without the Source files with CRLF line endings (for Windows), without the
"configure" script "configure" script
lp1629b01.7z (LZMA-compressed, recommended) lp1629b02.7z (LZMA-compressed, recommended)
lp1629b01.zip lp1629b02.zip
Other information: Other information:
1.6.29beta01-README.txt 1.6.29beta02-README.txt
1.6.29beta01-LICENSE.txt 1.6.29beta02-LICENSE.txt
libpng-1.6.29beta01-*.asc (armored detached GPG signatures) libpng-1.6.29beta02-*.asc (armored detached GPG signatures)
Changes since the last public release (1.6.28): Changes since the last public release (1.6.28):
Version 1.6.29beta01 [January 6, 2017] Version 1.6.29beta01 [January 12, 2017]
Readded "include(GNUInstallDirs)" to CMakeLists.txt (Gianfranco Costamagna). Readded "include(GNUInstallDirs)" to CMakeLists.txt (Gianfranco Costamagna).
Moved SSE2 optimization code into the main libpng source directory. Moved SSE2 optimization code into the main libpng source directory.
Configure libpng with "configure --enable-intel-sse" or compile Configure libpng with "configure --enable-intel-sse" or compile
libpng with "-DPNG_INTEL_SSE" in CPPFLAGS to enable it. libpng with "-DPNG_INTEL_SSE" in CPPFLAGS to enable it.
Simplified conditional compilation in pngvalid.c, for AIX (Michael Felt).
Version 1.6.29beta02 [January 20, 2017]
Avoid conditional directives that break statements in pngrutil.c (Romero
Malaquias)
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

7
CHANGES
View File

@ -5794,11 +5794,16 @@ Version 1.6.28rc03 [January 4, 2017]
Version 1.6.28 [January 5, 2017] Version 1.6.28 [January 5, 2017]
No changes. No changes.
Version 1.6.29beta01 [January 6, 2017] Version 1.6.29beta01 [January 12, 2017]
Readded "include(GNUInstallDirs)" to CMakeLists.txt (Gianfranco Costamagna). Readded "include(GNUInstallDirs)" to CMakeLists.txt (Gianfranco Costamagna).
Moved SSE2 optimization code into the main libpng source directory. Moved SSE2 optimization code into the main libpng source directory.
Configure libpng with "configure --enable-intel-sse" or compile Configure libpng with "configure --enable-intel-sse" or compile
libpng with "-DPNG_INTEL_SSE" in CPPFLAGS to enable it. libpng with "-DPNG_INTEL_SSE" in CPPFLAGS to enable it.
Simplified conditional compilation in pngvalid.c, for AIX (Michael Felt).
Version 1.6.29beta02 [January 20, 2017]
Avoid conditional directives that break statements in pngrutil.c (Romero
Malaquias)
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

2
CMakeLists.txt
View File

@ -737,7 +737,7 @@ endif(NOT WIN32 OR CYGWIN OR MINGW)
# SET UP LINKS # SET UP LINKS
if(PNG_SHARED) if(PNG_SHARED)
set_target_properties(png PROPERTIES set_target_properties(png PROPERTIES
# VERSION 16.${PNGLIB_RELEASE}.1.6.29beta01 # VERSION 16.${PNGLIB_RELEASE}.1.6.29beta02
VERSION 16.${PNGLIB_RELEASE}.0 VERSION 16.${PNGLIB_RELEASE}.0
SOVERSION 16 SOVERSION 16
CLEAN_DIRECT_OUTPUT 1) CLEAN_DIRECT_OUTPUT 1)

4
LICENSE
View File

@ -10,7 +10,7 @@ this sentence.
This code is released under the libpng license. This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000 through 1.6.29beta01, January 6, 2017 are libpng versions 1.0.7, July 1, 2000 through 1.6.29beta02, January 12, 2017 are
Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
derived from libpng-1.0.6, and are distributed according to the same derived from libpng-1.0.6, and are distributed according to the same
disclaimer and license as libpng-1.0.6 with the following individuals disclaimer and license as libpng-1.0.6 with the following individuals
@ -129,4 +129,4 @@ any encryption software. See the EAR, paragraphs 734.3(b)(3) and
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
January 6, 2017 January 12, 2017

5
Makefile.am
View File

@ -102,6 +102,11 @@ libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += mips/mips_init.c\
mips/filter_msa_intrinsics.c mips/filter_msa_intrinsics.c
endif endif
if PNG_INTEL_SSE
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += intel/intel_init.c\
intel/filter_sse2_intrinsics.c
endif
if PNG_POWERPC_VSX if PNG_POWERPC_VSX
libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += powerpc/powerpc_init.c\ libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += powerpc/powerpc_init.c\
powerpc/filter_vsx_intrinsics.c powerpc/filter_vsx_intrinsics.c

2
README
View File

@ -1,4 +1,4 @@
README for libpng version 1.6.29beta01 - January 5, 2017 (shared library 16.0) README for libpng version 1.6.29beta02 - January 12, 2017 (shared library 16.0)
See the note about version numbers near the top of png.h See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng. See INSTALL for instructions on how to install libpng.

41
configure.ac
View File

@ -25,7 +25,7 @@ AC_PREREQ([2.68])
dnl Version number stuff here: dnl Version number stuff here:
AC_INIT([libpng],[1.6.29beta01],[png-mng-implement@lists.sourceforge.net]) AC_INIT([libpng],[1.6.29beta02],[png-mng-implement@lists.sourceforge.net])
AC_CONFIG_MACRO_DIR([scripts]) AC_CONFIG_MACRO_DIR([scripts])
# libpng does not follow GNU file name conventions (hence 'foreign') # libpng does not follow GNU file name conventions (hence 'foreign')
@ -46,7 +46,7 @@ dnl automake, so the following is not necessary (and is not defined anyway):
dnl AM_PREREQ([1.11.2]) dnl AM_PREREQ([1.11.2])
dnl stop configure from automagically running automake dnl stop configure from automagically running automake
PNGLIB_VERSION=1.6.29beta01 PNGLIB_VERSION=1.6.29beta02
PNGLIB_MAJOR=1 PNGLIB_MAJOR=1
PNGLIB_MINOR=6 PNGLIB_MINOR=6
PNGLIB_RELEASE=28 PNGLIB_RELEASE=28
@ -391,6 +391,42 @@ AM_CONDITIONAL([PNG_MIPS_MSA],
mipsel*|mips64el*) :;; mipsel*|mips64el*) :;;
esac]) esac])
# INTEL
# =====
#
# INTEL SSE (SIMD) support.
AC_ARG_ENABLE([intel-sse],
AS_HELP_STRING([[[--enable-intel-sse]]],
[Enable Intel SSE optimizations: =no/off, yes/on:]
[no/off: disable the optimizations;]
[yes/on: enable the optimizations.]
[If not specified: determined by the compiler.]),
[case "$enableval" in
no|off)
# disable the default enabling:
AC_DEFINE([PNG_INTEL_SSE_OPT], [0],
[Disable Intel SSE optimizations])
# Prevent inclusion of the assembler files below:
enable_intel_sse=no;;
yes|on)
AC_DEFINE([PNG_INTEL_SSE_OPT], [1],
[Enable Intel SSE optimizations]);;
*)
AC_MSG_ERROR([--enable-intel-sse=${enable_intel_sse}: invalid value])
esac])
# Add Intel specific files to all builds where the host_cpu is Intel ('x86*')
# or where Intel optimizations were explicitly requested (this allows a
# fallback if a future host CPU does not match 'x86*')
AM_CONDITIONAL([PNG_INTEL_SSE],
[test "$enable_intel_sse" != 'no' &&
case "$host_cpu" in
i?86|x86_64) :;;
*) test "$enable_intel_sse" != '';;
esac])
# PowerPC # PowerPC
# === # ===
# #
@ -436,7 +472,6 @@ AM_CONDITIONAL([PNG_POWERPC_VSX],
powerpc*) :;; powerpc*) :;;
esac]) esac])
AC_MSG_NOTICE([[Extra options for compiler: $PNG_COPTS]]) AC_MSG_NOTICE([[Extra options for compiler: $PNG_COPTS]])
# Config files, substituting as above # Config files, substituting as above

16
contrib/libtests/pngvalid.c
View File

@ -1,8 +1,8 @@
/* pngvalid.c - validate libpng by constructing then reading png files. /* pngvalid.c - validate libpng by constructing then reading png files.
* *
* Last changed in libpng 1.6.27 [December 29, 2016] * Last changed in libpng 1.6.29 [(PENDING RELEASE)]
* Copyright (c) 2014-2016 John Cunningham Bowler * Copyright (c) 2014-2017 John Cunningham Bowler
* *
* This code is released under the libpng license. * This code is released under the libpng license.
* For conditions of distribution and use, see the disclaimer * For conditions of distribution and use, see the disclaimer
@ -7742,13 +7742,11 @@ image_transform_png_set_rgb_to_gray_ini(const image_transform *this,
* NOTE: this number only affects the internal limit check in pngvalid, * NOTE: this number only affects the internal limit check in pngvalid,
* it has no effect on the limits applied to the libpng values. * it has no effect on the limits applied to the libpng values.
*/ */
that->pm->limit += pow( #if DIGITIZE
# if DIGITIZE that->pm->limit += pow( 2.0/255, data.gamma);
2.0 #else
# else that->pm->limit += pow( 1.0/255, data.gamma);
1.0 #endif
# endif
/255, data.gamma);
} }
} }

6
libpng-manual.txt
View File

@ -1,6 +1,6 @@
libpng-manual.txt - A description on how to use and modify libpng libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.29beta01 - January 6, 2017 libpng version 1.6.29beta02 - January 12, 2017
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net> <glennrp at users.sourceforge.net>
Copyright (c) 1998-2016 Glenn Randers-Pehrson Copyright (c) 1998-2016 Glenn Randers-Pehrson
@ -11,7 +11,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on: Based on:
libpng versions 0.97, January 1998, through 1.6.29beta01 - January 6, 2017 libpng versions 0.97, January 1998, through 1.6.29beta02 - January 12, 2017
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2016 Glenn Randers-Pehrson Copyright (c) 1998-2016 Glenn Randers-Pehrson
@ -5355,7 +5355,7 @@ Since the PNG Development group is an ad-hoc body, we can't make
an official declaration. an official declaration.
This is your unofficial assurance that libpng from version 0.71 and This is your unofficial assurance that libpng from version 0.71 and
upward through 1.6.29beta01 are Y2K compliant. It is my belief that earlier upward through 1.6.29beta02 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant. versions were also Y2K compliant.
Libpng only has two year fields. One is a 2-byte unsigned integer Libpng only has two year fields. One is a 2-byte unsigned integer

16
libpng.3
View File

@ -1,6 +1,6 @@
.TH LIBPNG 3 "January 6, 2017" .TH LIBPNG 3 "January 12, 2017"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.29beta01 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.29beta02
.SH SYNOPSIS .SH SYNOPSIS
\fB \fB
#include <png.h>\fP #include <png.h>\fP
@ -510,7 +510,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
.SH LIBPNG.TXT .SH LIBPNG.TXT
libpng-manual.txt - A description on how to use and modify libpng libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.29beta01 - January 6, 2017 libpng version 1.6.29beta02 - January 12, 2017
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net> <glennrp at users.sourceforge.net>
Copyright (c) 1998-2016 Glenn Randers-Pehrson Copyright (c) 1998-2016 Glenn Randers-Pehrson
@ -521,7 +521,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on: Based on:
libpng versions 0.97, January 1998, through 1.6.29beta01 - January 6, 2017 libpng versions 0.97, January 1998, through 1.6.29beta02 - January 12, 2017
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2016 Glenn Randers-Pehrson Copyright (c) 1998-2016 Glenn Randers-Pehrson
@ -5865,7 +5865,7 @@ Since the PNG Development group is an ad-hoc body, we can't make
an official declaration. an official declaration.
This is your unofficial assurance that libpng from version 0.71 and This is your unofficial assurance that libpng from version 0.71 and
upward through 1.6.29beta01 are Y2K compliant. It is my belief that earlier upward through 1.6.29beta02 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant. versions were also Y2K compliant.
Libpng only has two year fields. One is a 2-byte unsigned integer Libpng only has two year fields. One is a 2-byte unsigned integer
@ -6023,7 +6023,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation. Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.6.29beta01 - January 6, 2017: Libpng version 1.6.29beta02 - January 12, 2017:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc. Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net). Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@ -6048,7 +6048,7 @@ this sentence.
This code is released under the libpng license. This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000 through 1.6.29beta01, January 6, 2017 are libpng versions 1.0.7, July 1, 2000 through 1.6.29beta02, January 12, 2017 are
Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
derived from libpng-1.0.6, and are distributed according to the same derived from libpng-1.0.6, and are distributed according to the same
disclaimer and license as libpng-1.0.6 with the following individuals disclaimer and license as libpng-1.0.6 with the following individuals
@ -6175,7 +6175,7 @@ files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
January 6, 2017 January 12, 2017
.\" end of man page .\" end of man page

4
libpngpf.3
View File

@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "January 6, 2017" .TH LIBPNGPF 3 "January 12, 2017"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.29beta01 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.29beta02
(private functions) (private functions)
.SH SYNOPSIS .SH SYNOPSIS
\fB#include \fI"pngpriv.h" \fB#include \fI"pngpriv.h"

2
png.5
View File

@ -1,4 +1,4 @@
.TH PNG 5 "January 5, 2017" .TH PNG 5 "January 12, 2017"
.SH NAME .SH NAME
png \- Portable Network Graphics (PNG) format png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION .SH DESCRIPTION

8
png.c
View File

@ -1,7 +1,7 @@
/* png.c - location for general purpose libpng functions /* png.c - location for general purpose libpng functions
* *
* Last changed in libpng 1.6.28 [(PENDING RELEASE)] * Last changed in libpng 1.6.28 [January 5, 2017%]
* Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@ -14,7 +14,7 @@
#include "pngpriv.h" #include "pngpriv.h"
/* Generate a compiler error if there is an old png.h in the search path. */ /* Generate a compiler error if there is an old png.h in the search path. */
typedef png_libpng_version_1_6_29beta01 Your_png_h_is_not_version_1_6_29beta01; typedef png_libpng_version_1_6_29beta02 Your_png_h_is_not_version_1_6_29beta02;
/* Tells libpng that we have already handled the first "num_bytes" bytes /* Tells libpng that we have already handled the first "num_bytes" bytes
* of the PNG file signature. If the PNG data is embedded into another * of the PNG file signature. If the PNG data is embedded into another
@ -776,14 +776,14 @@ png_get_copyright(png_const_structrp png_ptr)
#else #else
# ifdef __STDC__ # ifdef __STDC__
return PNG_STRING_NEWLINE \ return PNG_STRING_NEWLINE \
"libpng version 1.6.29beta01 - January 5, 2017" PNG_STRING_NEWLINE \ "libpng version 1.6.29beta02 - January 12, 2017" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson" \ "Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson" \
PNG_STRING_NEWLINE \ PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \ "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \ "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE; PNG_STRING_NEWLINE;
# else # else
return "libpng version 1.6.29beta01 - January 5, 2017\ return "libpng version 1.6.29beta02 - January 12, 2017\
Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson\ Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\ Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc."; Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";

18
png.h
View File

@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library /* png.h - header file for PNG reference library
* *
* libpng version 1.6.29beta01, January 6, 2017 * libpng version 1.6.29beta02, January 12, 2017
* *
* Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -12,7 +12,7 @@
* Authors and maintainers: * Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat * libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger * libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.6.29beta01, January 6, 2017: * libpng versions 0.97, January 1998, through 1.6.29beta02, January 12, 2017:
* Glenn Randers-Pehrson. * Glenn Randers-Pehrson.
* See also "Contributing Authors", below. * See also "Contributing Authors", below.
*/ */
@ -25,7 +25,7 @@
* *
* This code is released under the libpng license. * This code is released under the libpng license.
* *
* libpng versions 1.0.7, July 1, 2000 through 1.6.29beta01, January 6, 2017 are * libpng versions 1.0.7, July 1, 2000 through 1.6.29beta02, January 12, 2017 are
* Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are * Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are
* derived from libpng-1.0.6, and are distributed according to the same * derived from libpng-1.0.6, and are distributed according to the same
* disclaimer and license as libpng-1.0.6 with the following individuals * disclaimer and license as libpng-1.0.6 with the following individuals
@ -240,13 +240,13 @@
* Y2K compliance in libpng: * Y2K compliance in libpng:
* ========================= * =========================
* *
* January 6, 2017 * January 12, 2017
* *
* Since the PNG Development group is an ad-hoc body, we can't make * Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration. * an official declaration.
* *
* This is your unofficial assurance that libpng from version 0.71 and * This is your unofficial assurance that libpng from version 0.71 and
* upward through 1.6.29beta01 are Y2K compliant. It is my belief that * upward through 1.6.29beta02 are Y2K compliant. It is my belief that
* earlier versions were also Y2K compliant. * earlier versions were also Y2K compliant.
* *
* Libpng only has two year fields. One is a 2-byte unsigned integer * Libpng only has two year fields. One is a 2-byte unsigned integer
@ -308,8 +308,8 @@
*/ */
/* Version information for png.h - this should match the version in png.c */ /* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.6.29beta01" #define PNG_LIBPNG_VER_STRING "1.6.29beta02"
#define PNG_HEADER_VERSION_STRING " libpng version 1.6.29beta01 - January 6, 2017\n" #define PNG_HEADER_VERSION_STRING " libpng version 1.6.29beta02 - January 12, 2017\n"
#define PNG_LIBPNG_VER_SONUM 16 #define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16 #define PNG_LIBPNG_VER_DLLNUM 16
@ -323,7 +323,7 @@
* PNG_LIBPNG_VER_STRING, omitting any leading zero: * PNG_LIBPNG_VER_STRING, omitting any leading zero:
*/ */
#define PNG_LIBPNG_VER_BUILD 01 #define PNG_LIBPNG_VER_BUILD 02
/* Release Status */ /* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1 #define PNG_LIBPNG_BUILD_ALPHA 1
@ -458,7 +458,7 @@ extern "C" {
/* This triggers a compiler error in png.c, if png.c and png.h /* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number. * do not agree upon the version number.
*/ */
typedef char* png_libpng_version_1_6_29beta01; typedef char* png_libpng_version_1_6_29beta02;
/* Basic control structions. Read libpng-manual.txt or libpng.3 for more info. /* Basic control structions. Read libpng-manual.txt or libpng.3 for more info.
* *

2
pngconf.h
View File

@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng /* pngconf.h - machine configurable file for libpng
* *
* libpng version 1.6.29beta01, January 5, 2017 * libpng version 1.6.29beta02, January 12, 2017
* *
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

4
pngpriv.h
View File

@ -1,8 +1,8 @@
/* pngpriv.h - private declarations for use inside libpng /* pngpriv.h - private declarations for use inside libpng
* *
* Last changed in libpng 1.6.26 [October 20, 2016] * Last changed in libpng 1.6.29 [(PENDING RELEASE)]
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
* *

2
pngrutil.c
View File

@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file /* pngrutil.c - utilities to read a PNG file
* *
* Last changed in libpng 1.6.27 [(PENDING RELEASE)] * Last changed in libpng 1.6.27 [December 29, 2016]
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)

2
pngstruct.h
View File

@ -1,7 +1,7 @@
/* pngstruct.h - header file for PNG reference library /* pngstruct.h - header file for PNG reference library
* *
* Last changed in libpng 1.6.28 [(PENDING RELEASE)] * Last changed in libpng 1.6.28 [January 5, 2017]
* Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson * Copyright (c) 1998-2002,2004,2006-2017 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)

2
pngtest.c
View File

@ -2088,4 +2088,4 @@ main(void)
#endif #endif
/* Generate a compiler error if there is an old png.h in the search path. */ /* Generate a compiler error if there is an old png.h in the search path. */
typedef png_libpng_version_1_6_29beta01 Your_png_h_is_not_version_1_6_29beta01; typedef png_libpng_version_1_6_29beta02 Your_png_h_is_not_version_1_6_29beta02;

19
pngwutil.c
View File

@ -675,6 +675,7 @@ png_write_IHDR(png_structrp png_ptr, png_uint_32 width, png_uint_32 height,
int interlace_type) int interlace_type)
{ {
png_byte buf[13]; /* Buffer to store the IHDR info */ png_byte buf[13]; /* Buffer to store the IHDR info */
int is_invalid_depth;
png_debug(1, "in png_write_IHDR"); png_debug(1, "in png_write_IHDR");
@ -700,11 +701,11 @@ png_write_IHDR(png_structrp png_ptr, png_uint_32 width, png_uint_32 height,
break; break;
case PNG_COLOR_TYPE_RGB: case PNG_COLOR_TYPE_RGB:
is_invalid_depth = (bit_depth != 8);
#ifdef PNG_WRITE_16BIT_SUPPORTED #ifdef PNG_WRITE_16BIT_SUPPORTED
if (bit_depth != 8 && bit_depth != 16) is_invalid_depth = (is_invalid_depth && bit_depth != 16);
#else
if (bit_depth != 8)
#endif #endif
if (is_invalid_depth)
png_error(png_ptr, "Invalid bit depth for RGB image"); png_error(png_ptr, "Invalid bit depth for RGB image");
png_ptr->channels = 3; png_ptr->channels = 3;
@ -726,18 +727,22 @@ png_write_IHDR(png_structrp png_ptr, png_uint_32 width, png_uint_32 height,
break; break;
case PNG_COLOR_TYPE_GRAY_ALPHA: case PNG_COLOR_TYPE_GRAY_ALPHA:
if (bit_depth != 8 && bit_depth != 16) is_invalid_depth = (bit_depth != 8);
#ifdef PNG_WRITE_16BIT_SUPPORTED
is_invalid_depth = (is_invalid_depth && bit_depth != 16);
#endif
if (is_invalid_depth)
png_error(png_ptr, "Invalid bit depth for grayscale+alpha image"); png_error(png_ptr, "Invalid bit depth for grayscale+alpha image");
png_ptr->channels = 2; png_ptr->channels = 2;
break; break;
case PNG_COLOR_TYPE_RGB_ALPHA: case PNG_COLOR_TYPE_RGB_ALPHA:
is_invalid_depth = (bit_depth != 8);
#ifdef PNG_WRITE_16BIT_SUPPORTED #ifdef PNG_WRITE_16BIT_SUPPORTED
if (bit_depth != 8 && bit_depth != 16) is_invalid_depth = (is_invalid_depth && bit_depth != 16);
#else
if (bit_depth != 8)
#endif #endif
if (is_invalid_depth)
png_error(png_ptr, "Invalid bit depth for RGBA image"); png_error(png_ptr, "Invalid bit depth for RGBA image");
png_ptr->channels = 4; png_ptr->channels = 4;

2
projects/vstudio/README.txt
View File

@ -1,7 +1,7 @@
VisualStudio instructions VisualStudio instructions
libpng version 1.6.29beta01 - January 5, 2017 libpng version 1.6.29beta02 - January 12, 2017
Copyright (c) 2010,2013,2015 Glenn Randers-Pehrson Copyright (c) 2010,2013,2015 Glenn Randers-Pehrson

2
projects/vstudio/zlib.props
View File

@ -2,7 +2,7 @@
<!-- <!--
* zlib.props - location of zlib source * zlib.props - location of zlib source
* *
* libpng version 1.6.29beta01 - January 5, 2017 * libpng version 1.6.29beta02 - January 12, 2017
* *
* Copyright (c) 1998-2011 Glenn Randers-Pehrson * Copyright (c) 1998-2011 Glenn Randers-Pehrson
* *

10
scripts/README.txt
View File

@ -1,9 +1,9 @@
Makefiles for libpng version 1.6.29beta01 - January 5, 2017 Makefiles for libpng version 1.6.29beta02 - January 12, 2017
pnglibconf.h.prebuilt => Stores configuration settings pnglibconf.h.prebuilt => Stores configuration settings
makefile.linux => Linux/ELF makefile makefile.linux => Linux/ELF makefile
(gcc, creates libpng16.so.16.1.6.29beta01) (gcc, creates libpng16.so.16.1.6.29beta02)
makefile.gcc => Generic makefile (gcc, creates static libpng.a) makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with makefile.knr => Archaic UNIX Makefile that converts files with
ansi2knr (Requires ansi2knr.c from ansi2knr (Requires ansi2knr.c from
@ -33,12 +33,12 @@ pnglibconf.h.prebuilt => Stores configuration settings
makefile.os2 => OS/2 Makefile (gcc and emx, requires libpng.def) makefile.os2 => OS/2 Makefile (gcc and emx, requires libpng.def)
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
makefile.sggcc => Silicon Graphics (gcc, makefile.sggcc => Silicon Graphics (gcc,
creates libpng16.so.16.1.6.29beta01) creates libpng16.so.16.1.6.29beta02)
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib) makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.solaris => Solaris 2.X makefile (gcc, makefile.solaris => Solaris 2.X makefile (gcc,
creates libpng16.so.16.1.6.29beta01) creates libpng16.so.16.1.6.29beta02)
makefile.so9 => Solaris 9 makefile (gcc, makefile.so9 => Solaris 9 makefile (gcc,
creates libpng16.so.16.1.6.29beta01) creates libpng16.so.16.1.6.29beta02)
makefile.std => Generic UNIX makefile (cc, creates static libpng.a) makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.sunos => Sun makefile makefile.sunos => Sun makefile
makefile.32sunu => Sun Ultra 32-bit makefile makefile.32sunu => Sun Ultra 32-bit makefile

2
scripts/def.c
View File

@ -21,7 +21,7 @@ PNG_DFN "OS2 DESCRIPTION "PNG image compression library""
PNG_DFN "OS2 CODE PRELOAD MOVEABLE DISCARDABLE" PNG_DFN "OS2 CODE PRELOAD MOVEABLE DISCARDABLE"
PNG_DFN "" PNG_DFN ""
PNG_DFN "EXPORTS" PNG_DFN "EXPORTS"
PNG_DFN ";Version 1.6.29beta01" PNG_DFN ";Version 1.6.29beta02"
#define PNG_EXPORTA(ordinal, type, name, args, attributes)\ #define PNG_EXPORTA(ordinal, type, name, args, attributes)\
PNG_DFN "@" SYMBOL_PREFIX "@@" name "@" PNG_DFN "@" SYMBOL_PREFIX "@@" name "@"

2
scripts/libpng-config-head.in
View File

@ -11,7 +11,7 @@
# Modeled after libxml-config. # Modeled after libxml-config.
version=1.6.29beta01 version=1.6.29beta02
prefix="" prefix=""
libdir="" libdir=""
libs="" libs=""

2
scripts/libpng.pc.in
View File

@ -5,6 +5,6 @@ includedir=@includedir@/libpng16
Name: libpng Name: libpng
Description: Loads and saves PNG files Description: Loads and saves PNG files
Version: 1.6.29beta01 Version: 1.6.29beta02
Libs: -L${libdir} -lpng16 Libs: -L${libdir} -lpng16
Cflags: -I${includedir} Cflags: -I${includedir}

2
scripts/makefile.ne12bsd
View File

@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng16
LIB= png16 LIB= png16
SHLIB_MAJOR= 0 SHLIB_MAJOR= 0
SHLIB_MINOR= 1.6.29beta01 SHLIB_MINOR= 1.6.29beta02
SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c pngwtran.c pngmem.c pngerror.c pngpread.c

2
scripts/makefile.netbsd
View File

@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include
LIB= png LIB= png
SHLIB_MAJOR= 16 SHLIB_MAJOR= 16
SHLIB_MINOR= 1.6.29beta01 SHLIB_MINOR= 1.6.29beta02
SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ SRCS= png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c pngwtran.c pngmem.c pngerror.c pngpread.c

2
scripts/makefile.openbsd
View File

@ -11,7 +11,7 @@ LIBDIR= ${PREFIX}/lib
MANDIR= ${PREFIX}/man/cat MANDIR= ${PREFIX}/man/cat
SHLIB_MAJOR= 16 SHLIB_MAJOR= 16
SHLIB_MINOR= 1.6.29beta01 SHLIB_MINOR= 1.6.29beta02
LIB= png LIB= png
SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \ SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \

4
scripts/pnglibconf.h.prebuilt
View File

@ -1,8 +1,8 @@
/* libpng 1.6.29beta01 STANDARD API DEFINITION */ /* libpng 1.6.29beta02 STANDARD API DEFINITION */
/* pnglibconf.h - library build configuration */ /* pnglibconf.h - library build configuration */
/* Libpng version 1.6.29beta01 - January 5, 2017 */ /* Libpng version 1.6.29beta02 - January 12, 2017 */
/* Copyright (c) 1998-2015 Glenn Randers-Pehrson */ /* Copyright (c) 1998-2015 Glenn Randers-Pehrson */

2
scripts/symbols.def
View File

@ -1,4 +1,4 @@
;Version 1.6.29beta01 ;Version 1.6.29beta02
;-------------------------------------------------------------- ;--------------------------------------------------------------
; LIBPNG symbol list as a Win32 DEF file ; LIBPNG symbol list as a Win32 DEF file
; Contains all the symbols that can be exported from libpng ; Contains all the symbols that can be exported from libpng