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

Release libpng version 1.6.50

Browse Source
This commit is contained in:
Cosmin Truta 2025-07-01 23:50:00 +03:00
parent 254a64ec30
commit 2b978915d8
16 changed files with 62 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
ANNOUNCE
View File

@ -1,13 +1,5 @@
libpng 1.6.50.git
=================
This is a development version, not intended to be a public release.
It will be replaced by a public release, or by another development
version, at a later time.
libpng 1.6.49 - June 12, 2025
=============================
libpng 1.6.50 - July 1, 2025
============================
This is a public release of libpng, intended for use in production code.
@ -17,13 +9,13 @@ Files available for download
Source files with LF line endings (for Unix/Linux):
* libpng-1.6.49.tar.xz (LZMA-compressed, recommended)
* libpng-1.6.49.tar.gz (deflate-compressed)
* libpng-1.6.50.tar.xz (LZMA-compressed, recommended)
* libpng-1.6.50.tar.gz (deflate-compressed)
Source files with CRLF line endings (for Windows):
* lpng1649.7z (LZMA-compressed, recommended)
* lpng1649.zip (deflate-compressed)
* lpng1650.7z (LZMA-compressed, recommended)
* lpng1650.zip (deflate-compressed)
Other information:
@ -33,13 +25,18 @@ Other information:
* TRADEMARK.md
Changes from version 1.6.48 to version 1.6.49
Changes from version 1.6.49 to version 1.6.50
---------------------------------------------
* Added SIMD-optimized code for the RISC-V Vector Extension (RVV).
(Contributed by Manfred Schlaegl, Dragos Tiselice and Filip Wasil)
* Added various fixes and improvements to the build scripts and to
the sample code.
* Improved the detection of the RVV Extension on the RISC-V platform.
(Contributed by Filip Wasil)
* Replaced inline ASM with C intrinsics in the RVV code.
(Contributed by Filip Wasil)
* Fixed a decoder defect in which unknown chunks trailing IDAT, set
to go through the unknown chunk handler, incorrectly triggered
out-of-place IEND errors.
(Contributed by John Bowler)
* Fixed the CMake file for cross-platform builds that require `libm`.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net.

11
CHANGES
View File

@ -6267,7 +6267,16 @@ Version 1.6.49 [June 12, 2025]
Added various fixes and improvements to the build scripts and to
the sample code.
Version 1.6.50 [TODO]
Version 1.6.50 [July 1, 2025]
Improved the detection of the RVV Extension on the RISC-V platform.
(Contributed by Filip Wasil)
Replaced inline ASM with C intrinsics in the RVV code.
(Contributed by Filip Wasil)
Fixed a decoder defect in which unknown chunks trailing IDAT, set
to go through the unknown chunk handler, incorrectly triggered
out-of-place IEND errors.
(Contributed by John Bowler)
Fixed the CMake file for cross-platform builds that require `libm`.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net.
Subscription is required; visit

4
CMakeLists.txt
View File

@ -19,8 +19,8 @@ cmake_minimum_required(VERSION 3.14...4.0)
set(PNGLIB_MAJOR 1)
set(PNGLIB_MINOR 6)
set(PNGLIB_REVISION 50)
#set(PNGLIB_SUBREVISION 0)
set(PNGLIB_SUBREVISION "git")
set(PNGLIB_SUBREVISION 0)
#set(PNGLIB_SUBREVISION "git")
set(PNGLIB_VERSION ${PNGLIB_MAJOR}.${PNGLIB_MINOR}.${PNGLIB_REVISION})
set(PNGLIB_ABI_VERSION ${PNGLIB_MAJOR}${PNGLIB_MINOR})
set(PNGLIB_SHARED_VERSION ${PNGLIB_ABI_VERSION}.${PNGLIB_REVISION}.${PNGLIB_SUBREVISION})

4
README
View File

@ -1,5 +1,5 @@
README for libpng version 1.6.50.git
====================================
README for libpng version 1.6.50
================================
See the note about version numbers near the top of `png.h`.
See `INSTALL` for instructions on how to install libpng.

22
configure vendored
View File

@ -1,6 +1,6 @@
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.72 for libpng 1.6.50.git.
# Generated by GNU Autoconf 2.72 for libpng 1.6.50.
#
# Report bugs to <png-mng-implement@lists.sourceforge.net>.
#
@ -614,8 +614,8 @@ MAKEFLAGS=
# Identity of this package.
PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng'
PACKAGE_VERSION='1.6.50.git'
PACKAGE_STRING='libpng 1.6.50.git'
PACKAGE_VERSION='1.6.50'
PACKAGE_STRING='libpng 1.6.50'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
PACKAGE_URL=''
@ -1424,7 +1424,7 @@ 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 1.6.50.git to adapt to many kinds of systems.
'configure' configures libpng 1.6.50 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
@ -1495,7 +1495,7 @@ fi
if test -n "$ac_init_help"; then
case $ac_init_help in
short | recursive ) echo "Configuration of libpng 1.6.50.git:";;
short | recursive ) echo "Configuration of libpng 1.6.50:";;
esac
cat <<\_ACEOF
@ -1698,7 +1698,7 @@ fi
test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
cat <<\_ACEOF
libpng configure 1.6.50.git
libpng configure 1.6.50
generated by GNU Autoconf 2.72
Copyright (C) 2023 Free Software Foundation, Inc.
@ -1961,7 +1961,7 @@ 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 1.6.50.git, which was
It was created by libpng $as_me 1.6.50, which was
generated by GNU Autoconf 2.72. Invocation command line was
$ $0$ac_configure_args_raw
@ -3446,7 +3446,7 @@ fi
# Define the identity of the package.
PACKAGE='libpng'
VERSION='1.6.50.git'
VERSION='1.6.50'
printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
@ -3665,7 +3665,7 @@ fi
PNGLIB_VERSION=1.6.50.git
PNGLIB_VERSION=1.6.50
PNGLIB_MAJOR=1
PNGLIB_MINOR=6
PNGLIB_RELEASE=50
@ -16410,7 +16410,7 @@ cat >>$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 1.6.50.git, which was
This file was extended by libpng $as_me 1.6.50, which was
generated by GNU Autoconf 2.72. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
@ -16478,7 +16478,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config='$ac_cs_config_escaped'
ac_cs_version="\\
libpng config.status 1.6.50.git
libpng config.status 1.6.50
configured by $0, generated by GNU Autoconf 2.72,
with options \\"\$ac_cs_config\\"

4
configure.ac
View File

@ -25,7 +25,7 @@ AC_PREREQ([2.68])
dnl Version number stuff here:
AC_INIT([libpng],[1.6.50.git],[png-mng-implement@lists.sourceforge.net])
AC_INIT([libpng],[1.6.50],[png-mng-implement@lists.sourceforge.net])
AC_CONFIG_MACRO_DIR([scripts/autoconf])
# 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 stop configure from automagically running automake
PNGLIB_VERSION=1.6.50.git
PNGLIB_VERSION=1.6.50
PNGLIB_MAJOR=1
PNGLIB_MINOR=6
PNGLIB_RELEASE=50

2
libpng-manual.txt
View File

@ -9,7 +9,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng version 1.6.36, December 2018, through 1.6.49 - June 2025
libpng version 1.6.36, December 2018, through 1.6.50 - July 2025
Updated and distributed by Cosmin Truta
Copyright (c) 2018-2025 Cosmin Truta

4
libpng.3
View File

@ -1,6 +1,6 @@
.TH LIBPNG 3 "July 1, 2025"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.50.git
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.50
.SH SYNOPSIS
\fB#include <png.h>\fP
@ -528,7 +528,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng version 1.6.36, December 2018, through 1.6.49 - June 2025
libpng version 1.6.36, December 2018, through 1.6.50 - July 2025
Updated and distributed by Cosmin Truta
Copyright (c) 2018-2025 Cosmin Truta

2
libpngpf.3
View File

@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "July 1, 2025"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.50.git
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.50
.SH SYNOPSIS
\fB#include "pngpriv.h"\fP

4
png.c
View File

@ -13,7 +13,7 @@
#include "pngpriv.h"
/* Generate a compiler error if there is an old png.h in the search path. */
typedef png_libpng_version_1_6_50_git Your_png_h_is_not_version_1_6_50_git;
typedef png_libpng_version_1_6_50 Your_png_h_is_not_version_1_6_50;
/* Sanity check the chunks definitions - PNG_KNOWN_CHUNKS from pngpriv.h and the
* corresponding macro definitions. This causes a compile time failure if
@ -815,7 +815,7 @@ png_get_copyright(png_const_structrp png_ptr)
return PNG_STRING_COPYRIGHT
#else
return PNG_STRING_NEWLINE \
"libpng version 1.6.50.git" PNG_STRING_NEWLINE \
"libpng version 1.6.50" PNG_STRING_NEWLINE \
"Copyright (c) 2018-2025 Cosmin Truta" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson" \
PNG_STRING_NEWLINE \

16
png.h
View File

@ -1,6 +1,6 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.6.50.git
* libpng version 1.6.50
*
* Copyright (c) 2018-2025 Cosmin Truta
* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson
@ -14,7 +14,7 @@
* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.6.35, July 2018:
* Glenn Randers-Pehrson
* libpng versions 1.6.36, December 2018, through 1.6.49, June 2025:
* libpng versions 1.6.36, December 2018, through 1.6.50, July 2025:
* Cosmin Truta
* See also "Contributing Authors", below.
*/
@ -238,7 +238,7 @@
* ...
* 1.5.30 15 10530 15.so.15.30[.0]
* ...
* 1.6.49 16 10649 16.so.16.49[.0]
* 1.6.50 16 10650 16.so.16.50[.0]
*
* Henceforth the source version will match the shared-library major and
* minor numbers; the shared-library major version number will be used for
@ -274,7 +274,7 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.6.50.git"
#define PNG_LIBPNG_VER_STRING "1.6.50"
#define PNG_HEADER_VERSION_STRING " libpng version " PNG_LIBPNG_VER_STRING "\n"
/* The versions of shared library builds should stay in sync, going forward */
@ -290,7 +290,7 @@
/* This should be zero for a public release, or non-zero for a
* development version.
*/
#define PNG_LIBPNG_VER_BUILD 1
#define PNG_LIBPNG_VER_BUILD 0
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
@ -307,7 +307,7 @@
#define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
PNG_LIBPNG_BUILD_PRIVATE */
#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_BETA
#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_STABLE
/* Careful here. At one time, Guy wanted to use 082, but that
* would be octal. We must not include leading zeros.
@ -316,7 +316,7 @@
* From version 1.0.1 it is:
* XXYYZZ, where XX=major, YY=minor, ZZ=release
*/
#define PNG_LIBPNG_VER 10650 /* 1.6.50.git */
#define PNG_LIBPNG_VER 10650 /* 1.6.50 */
/* Library configuration: these options cannot be changed after
* the library has been built.
@ -426,7 +426,7 @@ extern "C" {
/* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number.
*/
typedef char* png_libpng_version_1_6_50_git;
typedef char* png_libpng_version_1_6_50;
/* Basic control structions. Read libpng-manual.txt or libpng.3 for more info.
*

2
pngconf.h
View File

@ -1,6 +1,6 @@
/* pngconf.h - machine-configurable file for libpng
*
* libpng version 1.6.50.git
* libpng version 1.6.50
*
* Copyright (c) 2018-2025 Cosmin Truta
* Copyright (c) 1998-2002,2004,2006-2016,2018 Glenn Randers-Pehrson

2
pngtest.c
View File

@ -50,7 +50,7 @@
#define STDERR stdout
/* Generate a compiler error if there is an old png.h in the search path. */
typedef png_libpng_version_1_6_50_git Your_png_h_is_not_version_1_6_50_git;
typedef png_libpng_version_1_6_50 Your_png_h_is_not_version_1_6_50;
/* Ensure that all version numbers in png.h are consistent with one another. */
#if (PNG_LIBPNG_VER != PNG_LIBPNG_VER_MAJOR * 10000 + \

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

@ -11,7 +11,7 @@
# Modeled after libxml-config.
version=1.6.50.git
version=1.6.50
prefix=""
libdir=""
libs=""

2
scripts/libpng.pc.in
View File

@ -5,6 +5,6 @@ includedir=@includedir@/libpng16
Name: libpng
Description: Loads and saves PNG files
Version: 1.6.50.git
Version: 1.6.50
Libs: -L${libdir} -lpng16
Cflags: -I${includedir}

2
scripts/pnglibconf.h.prebuilt
View File

@ -1,6 +1,6 @@
/* pnglibconf.h - library build configuration */
/* libpng version 1.6.50.git */
/* libpng version 1.6.50 */
/* Copyright (c) 2018-2025 Cosmin Truta */
/* Copyright (c) 1998-2002,2004,2006-2018 Glenn Randers-Pehrson */