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https://git.code.sf.net/p/libpng/code.git
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2b978915d8
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2b978915d8 | ||
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254a64ec30 | ||
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9eb25bd899 |
35
ANNOUNCE
35
ANNOUNCE
@ -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
11
CHANGES
@ -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
|
||||
|
@ -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})
|
||||
|
@ -1,4 +1,4 @@
|
||||
# Makefile.in generated by automake 1.18 from Makefile.am.
|
||||
# Makefile.in generated by automake 1.18.1 from Makefile.am.
|
||||
# @configure_input@
|
||||
|
||||
# Copyright (C) 1994-2025 Free Software Foundation, Inc.
|
||||
|
4
README
4
README
@ -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.
|
||||
|
6
aclocal.m4
vendored
6
aclocal.m4
vendored
@ -1,4 +1,4 @@
|
||||
# generated automatically by aclocal 1.18 -*- Autoconf -*-
|
||||
# generated automatically by aclocal 1.18.1 -*- Autoconf -*-
|
||||
|
||||
# Copyright (C) 1996-2025 Free Software Foundation, Inc.
|
||||
|
||||
@ -35,7 +35,7 @@ AC_DEFUN([AM_AUTOMAKE_VERSION],
|
||||
[am__api_version='1.18'
|
||||
dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
|
||||
dnl require some minimum version. Point them to the right macro.
|
||||
m4_if([$1], [1.18], [],
|
||||
m4_if([$1], [1.18.1], [],
|
||||
[AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
|
||||
])
|
||||
|
||||
@ -51,7 +51,7 @@ m4_define([_AM_AUTOCONF_VERSION], [])
|
||||
# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
|
||||
# This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
|
||||
AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
|
||||
[AM_AUTOMAKE_VERSION([1.18])dnl
|
||||
[AM_AUTOMAKE_VERSION([1.18.1])dnl
|
||||
m4_ifndef([AC_AUTOCONF_VERSION],
|
||||
[m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
|
||||
_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
|
||||
|
4
compile
4
compile
@ -1,7 +1,7 @@
|
||||
#! /bin/sh
|
||||
# Wrapper for compilers which do not understand '-c -o'.
|
||||
|
||||
scriptversion=2025-02-03.05; # UTC
|
||||
scriptversion=2025-06-18.21; # UTC
|
||||
|
||||
# Copyright (C) 1999-2025 Free Software Foundation, Inc.
|
||||
# Written by Tom Tromey <tromey@cygnus.com>.
|
||||
@ -358,7 +358,7 @@ exit $ret
|
||||
# sh-indentation: 2
|
||||
# eval: (add-hook 'before-save-hook 'time-stamp nil t)
|
||||
# time-stamp-start: "scriptversion="
|
||||
# time-stamp-format: "%:y-%02m-%02d.%02H"
|
||||
# time-stamp-format: "%Y-%02m-%02d.%02H"
|
||||
# time-stamp-time-zone: "UTC0"
|
||||
# time-stamp-end: "; # UTC"
|
||||
# End:
|
||||
|
@ -108,12 +108,6 @@
|
||||
/* Enable POWERPC VSX optimizations */
|
||||
#undef PNG_POWERPC_VSX_OPT
|
||||
|
||||
/* Turn on RISC-V Vector optimizations at run-time */
|
||||
#undef PNG_RISCV_RVV_API_SUPPORTED
|
||||
|
||||
/* Check for RISC-V Vector support at run-time */
|
||||
#undef PNG_RISCV_RVV_CHECK_SUPPORTED
|
||||
|
||||
/* Enable RISCV RVV optimizations */
|
||||
#undef PNG_RISCV_RVV_OPT
|
||||
|
||||
|
51
configure
vendored
51
configure
vendored
@ -1,6 +1,6 @@
|
||||
#! /bin/sh
|
||||
# Guess values for system-dependent variables and create Makefiles.
|
||||
# Generated by GNU Autoconf 2.72 for libpng 1.6.50.git.
|
||||
# Generated by GNU Autoconf 2.72 for libpng 1.6.50.
|
||||
#
|
||||
# Report bugs to <png-mng-implement@lists.sourceforge.net>.
|
||||
#
|
||||
@ -614,8 +614,8 @@ MAKEFLAGS=
|
||||
# Identity of this package.
|
||||
PACKAGE_NAME='libpng'
|
||||
PACKAGE_TARNAME='libpng'
|
||||
PACKAGE_VERSION='1.6.50.git'
|
||||
PACKAGE_STRING='libpng 1.6.50.git'
|
||||
PACKAGE_VERSION='1.6.50'
|
||||
PACKAGE_STRING='libpng 1.6.50'
|
||||
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
|
||||
PACKAGE_URL=''
|
||||
|
||||
@ -1424,7 +1424,7 @@ if test "$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 $ac_init_help in
|
||||
short | recursive ) echo "Configuration of libpng 1.6.50.git:";;
|
||||
short | recursive ) echo "Configuration of libpng 1.6.50:";;
|
||||
esac
|
||||
cat <<\_ACEOF
|
||||
|
||||
@ -1597,8 +1597,8 @@ Optional Features:
|
||||
api, yes/on: no/off: disable the optimizations;
|
||||
check: use internal checking code api: disable by
|
||||
default, enable by a call to png_set_option yes/on:
|
||||
turn on unconditionally. If not specified:
|
||||
determined by the compiler.
|
||||
turn on. If not specified: determined by the
|
||||
compiler.
|
||||
|
||||
Optional Packages:
|
||||
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
|
||||
@ -1698,7 +1698,7 @@ fi
|
||||
test -n "$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 \"$PACKAGE\"" >>confdefs.h
|
||||
@ -3665,7 +3665,7 @@ fi
|
||||
|
||||
|
||||
|
||||
PNGLIB_VERSION=1.6.50.git
|
||||
PNGLIB_VERSION=1.6.50
|
||||
PNGLIB_MAJOR=1
|
||||
PNGLIB_MINOR=6
|
||||
PNGLIB_RELEASE=50
|
||||
@ -15716,28 +15716,14 @@ printf "%s\n" "#define PNG_RISCV_RVV_OPT 0" >>confdefs.h
|
||||
|
||||
# Prevent inclusion of the platform-specific files below:
|
||||
enable_riscv_rvv=no ;;
|
||||
check)
|
||||
|
||||
printf "%s\n" "#define PNG_RISCV_RVV_CHECK_SUPPORTED /**/" >>confdefs.h
|
||||
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: --enable-riscv-rvv Please check contrib/riscv-rvv/README file
|
||||
for the list of supported OSes." >&5
|
||||
printf "%s\n" "$as_me: WARNING: --enable-riscv-rvv Please check contrib/riscv-rvv/README file
|
||||
for the list of supported OSes." >&2;};;
|
||||
api)
|
||||
|
||||
printf "%s\n" "#define PNG_RISCV_RVV_API_SUPPORTED /**/" >>confdefs.h
|
||||
;;
|
||||
yes|on)
|
||||
|
||||
printf "%s\n" "#define PNG_RISCV_RVV_OPT 2" >>confdefs.h
|
||||
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: --enable-riscv-rvv: please specify 'check' or 'api', if
|
||||
you want the optimizations unconditionally pass e.g. '-march=rv64gv1p0'
|
||||
to the compiler." >&5
|
||||
printf "%s\n" "$as_me: WARNING: --enable-riscv-rvv: please specify 'check' or 'api', if
|
||||
you want the optimizations unconditionally pass e.g. '-march=rv64gv1p0'
|
||||
to the compiler." >&2;};;
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: --enable-riscv-rvv:
|
||||
if you want the optimizations pass e.g. '-march=rv64gv1p0' to the compiler." >&5
|
||||
printf "%s\n" "$as_me: WARNING: --enable-riscv-rvv:
|
||||
if you want the optimizations pass e.g. '-march=rv64gv1p0' to the compiler." >&2;};;
|
||||
*)
|
||||
as_fn_error $? "--enable-riscv-rvv=${enable_riscv_rvv}: invalid value" "$LINENO" 5
|
||||
esac
|
||||
@ -15754,8 +15740,6 @@ then
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether to use RISC-V RVV intrinsics" >&5
|
||||
printf %s "checking whether to use RISC-V RVV intrinsics... " >&6; }
|
||||
|
||||
save_CFLAGS=$CFLAGS
|
||||
CFLAGS="$CFLAGS -march=rv64gv1p0"
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
@ -15787,7 +15771,6 @@ printf "%s\n" "#define PNG_RISCV_RVV_OPT 1" >>confdefs.h
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: Compiler does not support riscv rvv." >&5
|
||||
printf "%s\n" "$as_me: WARNING: Compiler does not support riscv rvv." >&2;}
|
||||
fi
|
||||
CFLAGS=$save_CFLAGS
|
||||
fi
|
||||
|
||||
# Add RISC-V-specific files to all builds where $host_cpu is riscv ('riscv64')
|
||||
@ -16427,7 +16410,7 @@ cat >>$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 = $CONFIG_FILES
|
||||
@ -16495,7 +16478,7 @@ ac_cs_config_escaped=`printf "%s\n" "$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\\"
|
||||
|
||||
|
@ -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
|
||||
|
4
depcomp
4
depcomp
@ -1,7 +1,7 @@
|
||||
#! /bin/sh
|
||||
# depcomp - compile a program generating dependencies as side-effects
|
||||
|
||||
scriptversion=2024-12-03.03; # UTC
|
||||
scriptversion=2025-06-18.21; # UTC
|
||||
|
||||
# Copyright (C) 1999-2025 Free Software Foundation, Inc.
|
||||
|
||||
@ -786,7 +786,7 @@ exit 0
|
||||
# sh-indentation: 2
|
||||
# eval: (add-hook 'before-save-hook 'time-stamp nil t)
|
||||
# time-stamp-start: "scriptversion="
|
||||
# time-stamp-format: "%:y-%02m-%02d.%02H"
|
||||
# time-stamp-format: "%Y-%02m-%02d.%02H"
|
||||
# time-stamp-time-zone: "UTC0"
|
||||
# time-stamp-end: "; # UTC"
|
||||
# End:
|
||||
|
@ -1,7 +1,7 @@
|
||||
#!/bin/sh
|
||||
# install - install a program, script, or datafile
|
||||
|
||||
scriptversion=2024-12-03.03; # UTC
|
||||
scriptversion=2025-06-18.21; # UTC
|
||||
|
||||
# This originates from X11R5 (mit/util/scripts/install.sh), which was
|
||||
# later released in X11R6 (xc/config/util/install.sh) with the
|
||||
@ -535,7 +535,7 @@ done
|
||||
# Local variables:
|
||||
# eval: (add-hook 'before-save-hook 'time-stamp nil t)
|
||||
# time-stamp-start: "scriptversion="
|
||||
# time-stamp-format: "%:y-%02m-%02d.%02H"
|
||||
# time-stamp-format: "%Y-%02m-%02d.%02H"
|
||||
# time-stamp-time-zone: "UTC0"
|
||||
# time-stamp-end: "; # UTC"
|
||||
# End:
|
||||
|
@ -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
|
||||
|
||||
@ -65,18 +65,22 @@ Libpng was written as a companion to the PNG specification, as a way
|
||||
of reducing the amount of time and effort it takes to support the PNG
|
||||
file format in application programs.
|
||||
|
||||
The PNG specification (second edition), November 2003, is available as
|
||||
The PNG specification (Third Edition), June 2025, is available as
|
||||
a W3C Recommendation at
|
||||
<https://www.w3.org/TR/2025/REC-png-3-20250624/>.
|
||||
|
||||
The PNG specification (Second Edition), November 2003, is available as
|
||||
a W3C Recommendation and as an ISO Standard (ISO/IEC 15948:2004 (E)) at
|
||||
<https://www.w3.org/TR/2003/REC-PNG-20031110/>.
|
||||
The W3C and ISO documents have identical technical content.
|
||||
|
||||
The PNG-1.2 specification is available at
|
||||
<https://png-mng.sourceforge.io/pub/png/spec/1.2/>.
|
||||
It is technically equivalent
|
||||
to the PNG specification (second edition) but has some additional material.
|
||||
<https://www.libpng.org/pub/png/spec/1.2/>.
|
||||
It is technically equivalent to the PNG specification (Second Edition)
|
||||
but has some additional material.
|
||||
|
||||
The PNG-1.0 specification is available as RFC 2083 at
|
||||
<https://png-mng.sourceforge.io/pub/png/spec/1.0/> and as a
|
||||
<https://www.libpng.org/pub/png/spec/1.0/> and as a
|
||||
W3C Recommendation at <https://www.w3.org/TR/REC-png-961001>.
|
||||
|
||||
Some additional chunks are described in the special-purpose public chunks
|
||||
|
20
libpng.3
20
libpng.3
@ -1,6 +1,6 @@
|
||||
.TH LIBPNG 3 "June 12, 2025"
|
||||
.TH LIBPNG 3 "July 1, 2025"
|
||||
.SH NAME
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.49
|
||||
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
|
||||
|
||||
@ -584,18 +584,22 @@ Libpng was written as a companion to the PNG specification, as a way
|
||||
of reducing the amount of time and effort it takes to support the PNG
|
||||
file format in application programs.
|
||||
|
||||
The PNG specification (second edition), November 2003, is available as
|
||||
The PNG specification (Third Edition), June 2025, is available as
|
||||
a W3C Recommendation at
|
||||
<https://www.w3.org/TR/2025/REC-png-3-20250624/>.
|
||||
|
||||
The PNG specification (Second Edition), November 2003, is available as
|
||||
a W3C Recommendation and as an ISO Standard (ISO/IEC 15948:2004 (E)) at
|
||||
<https://www.w3.org/TR/2003/REC-PNG-20031110/>.
|
||||
The W3C and ISO documents have identical technical content.
|
||||
|
||||
The PNG-1.2 specification is available at
|
||||
<https://png-mng.sourceforge.io/pub/png/spec/1.2/>.
|
||||
It is technically equivalent
|
||||
to the PNG specification (second edition) but has some additional material.
|
||||
<https://www.libpng.org/pub/png/spec/1.2/>.
|
||||
It is technically equivalent to the PNG specification (Second Edition)
|
||||
but has some additional material.
|
||||
|
||||
The PNG-1.0 specification is available as RFC 2083 at
|
||||
<https://png-mng.sourceforge.io/pub/png/spec/1.0/> and as a
|
||||
<https://www.libpng.org/pub/png/spec/1.0/> and as a
|
||||
W3C Recommendation at <https://www.w3.org/TR/REC-png-961001>.
|
||||
|
||||
Some additional chunks are described in the special-purpose public chunks
|
||||
|
@ -1,6 +1,6 @@
|
||||
.TH LIBPNGPF 3 "June 12, 2025"
|
||||
.TH LIBPNGPF 3 "July 1, 2025"
|
||||
.SH NAME
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.49
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.50
|
||||
|
||||
.SH SYNOPSIS
|
||||
\fB#include "pngpriv.h"\fP
|
||||
|
4
missing
4
missing
@ -1,7 +1,7 @@
|
||||
#! /bin/sh
|
||||
# Common wrapper for a few potentially missing GNU and other programs.
|
||||
|
||||
scriptversion=2024-12-03.03; # UTC
|
||||
scriptversion=2025-06-18.21; # UTC
|
||||
|
||||
# shellcheck disable=SC2006,SC2268 # we must support pre-POSIX shells
|
||||
|
||||
@ -230,7 +230,7 @@ exit $st
|
||||
# Local variables:
|
||||
# eval: (add-hook 'before-save-hook 'time-stamp nil t)
|
||||
# time-stamp-start: "scriptversion="
|
||||
# time-stamp-format: "%:y-%02m-%02d.%02H"
|
||||
# time-stamp-format: "%Y-%02m-%02d.%02H"
|
||||
# time-stamp-time-zone: "UTC0"
|
||||
# time-stamp-end: "; # UTC"
|
||||
# End:
|
||||
|
34
png.5
34
png.5
@ -1,4 +1,4 @@
|
||||
.TH PNG 5 "June 12, 2025"
|
||||
.TH PNG 5 "July 1, 2025"
|
||||
.SH NAME
|
||||
png \- Portable Network Graphics (PNG) format
|
||||
|
||||
@ -20,20 +20,25 @@ matching on heterogeneous platforms.
|
||||
.SH "SEE ALSO"
|
||||
.BR "libpng"(3), " zlib"(3), " deflate"(5), " " and " zlib"(5)
|
||||
.LP
|
||||
PNG Specification (Third Edition) Proposed Recommendation, May 2025:
|
||||
PNG Specification (Third Edition), June 2025:
|
||||
.IP
|
||||
.br
|
||||
https://www.w3.org/TR/2025/PR-png-3-20250515/
|
||||
https://www.w3.org/TR/2025/REC-png-3-20250624/
|
||||
.LP
|
||||
PNG Specification (Second Edition), November 2003:
|
||||
.IP
|
||||
.br
|
||||
https://www.w3.org/TR/2003/REC-PNG-20031110/
|
||||
.LP
|
||||
PNG 1.2 Specification, July 1999:
|
||||
PNG 1.2 Specification, August 1999:
|
||||
.IP
|
||||
.br
|
||||
https://png-mng.sourceforge.io/pub/png/spec/1.2/
|
||||
https://www.libpng.org/pub/png/spec/1.2/
|
||||
.LP
|
||||
PNG 1.1 Specification, December 1998:
|
||||
.IP
|
||||
.br
|
||||
https://www.libpng.org/pub/png/spec/1.1/
|
||||
.LP
|
||||
PNG 1.0 Specification, October 1996:
|
||||
.IP
|
||||
@ -50,15 +55,24 @@ https://www.w3.org/TR/REC-png-961001
|
||||
.SH AUTHORS
|
||||
This man page: Glenn Randers-Pehrson, Cosmin Truta
|
||||
.LP
|
||||
Portable Network Graphics (PNG) Specification (Third Edition).
|
||||
W3C Recommendation 24 June 2025:
|
||||
Chris Blume et al.
|
||||
.LP
|
||||
Portable Network Graphics (PNG) Specification (Second Edition)
|
||||
Information technology - Computer graphics and image processing -
|
||||
Portable Network Graphics (PNG): Functional specification.
|
||||
ISO/IEC 15948:2003 (E) (November 10, 2003): David Duce and others.
|
||||
ISO/IEC 15948:2003 (E), W3C Recommendation 10 November 2003:
|
||||
David Duce et al.
|
||||
.LP
|
||||
Portable Network Graphics (PNG) Specification Version 1.2 (July 8, 1999):
|
||||
Glenn Randers-Pehrson and others.
|
||||
Portable Network Graphics (PNG) Specification Version 1.2 (11 August 1999):
|
||||
Glenn Randers-Pehrson et al.
|
||||
.LP
|
||||
Portable Network Graphics (PNG) Specification Version 1.0 (October 1, 1996):
|
||||
Thomas Boutell and others.
|
||||
Portable Network Graphics (PNG) Specification Version 1.1 (31 December 1998):
|
||||
Glenn Randers-Pehrson et al.
|
||||
.LP
|
||||
Portable Network Graphics (PNG) Specification Version 1.0.
|
||||
IETF RFC 2083, W3C Recommendation 1 October 1996:
|
||||
Thomas Boutell et al.
|
||||
|
||||
.\" end of man page
|
||||
|
4
png.c
4
png.c
@ -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
16
png.h
@ -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.
|
||||
*
|
||||
|
@ -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
|
||||
|
@ -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 + \
|
||||
|
@ -11,7 +11,7 @@
|
||||
|
||||
# Modeled after libxml-config.
|
||||
|
||||
version=1.6.50.git
|
||||
version=1.6.50
|
||||
prefix=""
|
||||
libdir=""
|
||||
libs=""
|
||||
|
@ -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}
|
||||
|
@ -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 */
|
||||
|
@ -1,7 +1,7 @@
|
||||
#! /bin/sh
|
||||
# test-driver - basic testsuite driver script.
|
||||
|
||||
scriptversion=2024-12-03.03; # UTC
|
||||
scriptversion=2025-06-18.21; # UTC
|
||||
|
||||
# Copyright (C) 2011-2025 Free Software Foundation, Inc.
|
||||
#
|
||||
@ -154,7 +154,7 @@ echo ":copy-in-global-log: $gcopy" >> $trs_file
|
||||
# sh-indentation: 2
|
||||
# eval: (add-hook 'before-save-hook 'time-stamp nil t)
|
||||
# time-stamp-start: "scriptversion="
|
||||
# time-stamp-format: "%:y-%02m-%02d.%02H"
|
||||
# time-stamp-format: "%Y-%02m-%02d.%02H"
|
||||
# time-stamp-time-zone: "UTC0"
|
||||
# time-stamp-end: "; # UTC"
|
||||
# End:
|
||||
|
Loading…
x
Reference in New Issue
Block a user