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

Imported from libpng-1.4.0beta30.tar

Browse Source
This commit is contained in:
Glenn Randers-Pehrson 2008-08-14 13:44:49 -05:00
parent e0784c72f4
commit 1916f6ae42
63 changed files with 279 additions and 146 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
ANNOUNCE
View File

@ -1,5 +1,5 @@
Libpng 1.4.0beta29 - August 9, 2008 Libpng 1.4.0beta30 - August 14, 2008
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.
@ -9,27 +9,27 @@ 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
1.4.0beta29.tar.gz 1.4.0beta30.tar.gz
1.4.0beta29.tar.bz2 1.4.0beta30.tar.bz2
Source files with LF line endings (for Unix/Linux) without the Source files with LF line endings (for Unix/Linux) without the
"configure" script "configure" script
1.4.0beta29-no-config.tar.gz 1.4.0beta30-no-config.tar.gz
1.4.0beta29-no-config.tar.bz2 1.4.0beta30-no-config.tar.bz2
Source files with CRLF line endings (for Windows), without the Source files with CRLF line endings (for Windows), without the
"configure" script "configure" script
lp140b29.zip lp140b30.zip
lp140b29.tar.bz2 lp140b30.tar.bz2
Other information: Other information:
1.4.0beta29-README.txt 1.4.0beta30-README.txt
1.4.0beta29-KNOWNBUGS.txt 1.4.0beta30-KNOWNBUGS.txt
1.4.0beta29-LICENSE.txt 1.4.0beta30-LICENSE.txt
1.4.0beta29-Y2K-compliance.txt 1.4.0beta30-Y2K-compliance.txt
Changes since the last public release (1.2.10): Changes since the last public release (1.2.10):
@ -306,6 +306,9 @@ version 1.4.0beta29 [August 9, 2008]
Added PNG_STRING_COPYRIGHT macro. Added PNG_STRING_COPYRIGHT macro.
Added non-ISO versions of png_debug macros. Added non-ISO versions of png_debug macros.
version 1.4.0beta30 [August 14, 2008]
Added premultiplied alpha feature (Volker Wiendl).
version 1.4.0betaN [future] version 1.4.0betaN [future]
Build shared libraries with -lz and sometimes -lm. Build shared libraries with -lz and sometimes -lm.

3
CHANGES
View File

@ -1979,6 +1979,9 @@ version 1.4.0beta29 [August 9, 2008]
Added PNG_STRING_COPYRIGHT macro. Added PNG_STRING_COPYRIGHT macro.
Added non-ISO versions of png_debug macros. Added non-ISO versions of png_debug macros.
version 1.4.0beta30 [August 14, 2008]
Added premultiplied alpha feature (Volker Wiendl).
version 1.4.0betaN [future] version 1.4.0betaN [future]
Build shared libraries with -lz and sometimes -lm. Build shared libraries with -lz and sometimes -lm.

18
INSTALL
View File

@ -1,5 +1,5 @@
Installing libpng version 1.4.0beta29 - August 9, 2008 Installing libpng version 1.4.0beta30 - August 14, 2008
On Unix/Linux and similar systems, you can simply type On Unix/Linux and similar systems, you can simply type
@ -44,7 +44,7 @@ to have access to the zlib.h and zconf.h include files that
correspond to the version of zlib that's installed. correspond to the version of zlib that's installed.
You can rename the directories that you downloaded (they You can rename the directories that you downloaded (they
might be called "libpng-1.4.0beta29" or "lpng109" and "zlib-1.2.1" might be called "libpng-1.4.0beta30" or "lpng109" and "zlib-1.2.1"
or "zlib121") so that you have directories called "zlib" and "libpng". or "zlib121") so that you have directories called "zlib" and "libpng".
Your directory structure should look like this: Your directory structure should look like this:
@ -95,14 +95,14 @@ include
CMakeLists.txt => "cmake" script CMakeLists.txt => "cmake" script
makefile.std => Generic UNIX makefile (cc, creates static libpng.a) makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning, makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng14.so.0.1.4.0beta29) gcc, creates libpng14.so.0.1.4.0beta30)
makefile.linux => Linux/ELF makefile makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.0.1.4.0beta29) (gcc, creates libpng14.so.0.1.4.0beta30)
makefile.gcmmx => Linux/ELF makefile makefile.gcmmx => Linux/ELF makefile
(gcc, creates libpng14.so.0.1.4.0beta29, (gcc, creates libpng14.so.0.1.4.0beta30,
uses assembler code tuned for Intel MMX platform) uses assembler code tuned for Intel MMX platform)
makefile.nommx => Linux/ELF makefile makefile.nommx => Linux/ELF makefile
(gcc, creates libpng14.so.0.1.4.0beta29 (gcc, creates libpng14.so.0.1.4.0beta30
does not use Intel MMX assembler code) does not use Intel MMX assembler code)
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
@ -125,12 +125,12 @@ include
makefile.openbsd => OpenBSD makefile makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib) makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc, makefile.sggcc => Silicon Graphics (gcc,
creates libpng14.so.0.1.4.0beta29) creates libpng14.so.0.1.4.0beta30)
makefile.sunos => Sun makefile makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile (gcc, makefile.solaris => Solaris 2.X makefile (gcc,
creates libpng14.so.0.1.4.0beta29) creates libpng14.so.0.1.4.0beta30)
makefile.so9 => Solaris 9 makefile (gcc, makefile.so9 => Solaris 9 makefile (gcc,
creates libpng14.so.0.1.4.0beta29) creates libpng14.so.0.1.4.0beta30)
makefile.32sunu => Sun Ultra 32-bit makefile makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile makefile.64sunu => Sun Ultra 64-bit makefile
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc

2
KNOWNBUG
View File

@ -1,5 +1,5 @@
Known bugs in libpng version 1.4.0beta29 Known bugs in libpng version 1.4.0beta30
1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when 1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when
reading interlaced PNG files, when assembler code is enabled but running reading interlaced PNG files, when assembler code is enabled but running

4
LICENSE
View File

@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
If you modify libpng you may insert additional notices immediately following If you modify libpng you may insert additional notices immediately following
this sentence. this sentence.
libpng versions 1.2.6, August 15, 2004, through 1.4.0beta29, August 9, 2008, are libpng versions 1.2.6, August 15, 2004, through 1.4.0beta30, August 14, 2008, are
Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5 distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors with the following individual added to the list of Contributing Authors
@ -106,4 +106,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
August 9, 2008 August 14, 2008

2
Makefile.am
View File

@ -86,7 +86,7 @@ EXTRA_DIST= \
${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \ ${srcdir}/contrib/visupng/* \
$(TESTS) \ $(TESTS) \
example.c libpng-1.4.0beta29.txt pngvcrd.c example.c libpng-1.4.0beta30.txt pngvcrd.c
CLEANFILES= pngout.png libpng14.pc libpng14-config libpng.vers \ CLEANFILES= pngout.png libpng14.pc libpng14-config libpng.vers \
libpng.sym libpng.sym

2
Makefile.in
View File

@ -331,7 +331,7 @@ EXTRA_DIST = \
${srcdir}/contrib/pngsuite/* \ ${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \ ${srcdir}/contrib/visupng/* \
$(TESTS) \ $(TESTS) \
example.c libpng-1.4.0beta29.txt pngvcrd.c example.c libpng-1.4.0beta30.txt pngvcrd.c
CLEANFILES = pngout.png libpng14.pc libpng14-config libpng.vers \ CLEANFILES = pngout.png libpng14.pc libpng14-config libpng.vers \
libpng.sym libpng.sym

14
README
View File

@ -1,4 +1,4 @@
README for libpng version 1.4.0beta29 - August 9, 2008 (shared library 14.0) README for libpng version 1.4.0beta30 - August 14, 2008 (shared library 14.0)
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.
@ -184,11 +184,11 @@ Files in this distribution:
descrip.mms => VMS makefile for MMS or MMK descrip.mms => VMS makefile for MMS or MMK
makefile.std => Generic UNIX makefile (cc, creates static libpng.a) makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning, makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng14.so.0.1.4.0beta29) gcc, creates libpng14.so.0.1.4.0beta30)
makefile.linux => Linux/ELF makefile makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.0.1.4.0beta29) (gcc, creates libpng14.so.0.1.4.0beta30)
makefile.gcmmx => Linux/ELF makefile makefile.gcmmx => Linux/ELF makefile
(gcc, creates libpng14.so.0.1.4.0beta29, (gcc, creates libpng14.so.0.1.4.0beta30,
uses assembler code tuned for Intel MMX platform) uses assembler code tuned for Intel MMX platform)
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
@ -210,12 +210,12 @@ Files in this distribution:
makefile.openbsd => OpenBSD makefile makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib) makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics makefile.sggcc => Silicon Graphics
(gcc, creates libpng14.so.0.1.4.0beta29) (gcc, creates libpng14.so.0.1.4.0beta30)
makefile.sunos => Sun makefile makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng14.so.0.1.4.0beta29) (gcc, creates libpng14.so.0.1.4.0beta30)
makefile.so9 => Solaris 9 makefile makefile.so9 => Solaris 9 makefile
(gcc, creates libpng14.so.0.1.4.0beta29) (gcc, creates libpng14.so.0.1.4.0beta30)
makefile.32sunu => Sun Ultra 32-bit makefile makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile makefile.64sunu => Sun Ultra 64-bit makefile
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc

22
configure vendored
View File

@ -1,6 +1,6 @@
#! /bin/sh #! /bin/sh
# Guess values for system-dependent variables and create Makefiles. # Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.62 for libpng 1.4.0beta29. # Generated by GNU Autoconf 2.62 for libpng 1.4.0beta30.
# #
# Report bugs to <png-mng-implement@lists.sourceforge.net>. # Report bugs to <png-mng-implement@lists.sourceforge.net>.
# #
@ -745,8 +745,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
# Identity of this package. # Identity of this package.
PACKAGE_NAME='libpng' PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng' PACKAGE_TARNAME='libpng'
PACKAGE_VERSION='1.4.0beta29' PACKAGE_VERSION='1.4.0beta30'
PACKAGE_STRING='libpng 1.4.0beta29' PACKAGE_STRING='libpng 1.4.0beta30'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net' PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
ac_unique_file="pngget.c" ac_unique_file="pngget.c"
@ -1484,7 +1484,7 @@ if test "$ac_init_help" = "long"; then
# Omit some internal or obsolete options to make the list less imposing. # 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. # This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF cat <<_ACEOF
\`configure' configures libpng 1.4.0beta29 to adapt to many kinds of systems. \`configure' configures libpng 1.4.0beta30 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]... Usage: $0 [OPTION]... [VAR=VALUE]...
@ -1554,7 +1554,7 @@ fi
if test -n "$ac_init_help"; then if test -n "$ac_init_help"; then
case $ac_init_help in case $ac_init_help in
short | recursive ) echo "Configuration of libpng 1.4.0beta29:";; short | recursive ) echo "Configuration of libpng 1.4.0beta30:";;
esac esac
cat <<\_ACEOF cat <<\_ACEOF
@ -1661,7 +1661,7 @@ fi
test -n "$ac_init_help" && exit $ac_status test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then if $ac_init_version; then
cat <<\_ACEOF cat <<\_ACEOF
libpng configure 1.4.0beta29 libpng configure 1.4.0beta30
generated by GNU Autoconf 2.62 generated by GNU Autoconf 2.62
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@ -1675,7 +1675,7 @@ cat >config.log <<_ACEOF
This file contains any messages produced by compilers while This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake. running configure, to aid debugging if configure makes a mistake.
It was created by libpng $as_me 1.4.0beta29, which was It was created by libpng $as_me 1.4.0beta30, which was
generated by GNU Autoconf 2.62. Invocation command line was generated by GNU Autoconf 2.62. Invocation command line was
$ $0 $@ $ $0 $@
@ -2389,7 +2389,7 @@ fi
# Define the identity of the package. # Define the identity of the package.
PACKAGE='libpng' PACKAGE='libpng'
VERSION='1.4.0beta29' VERSION='1.4.0beta30'
cat >>confdefs.h <<_ACEOF cat >>confdefs.h <<_ACEOF
@ -2558,7 +2558,7 @@ fi
PNGLIB_VERSION=1.4.0beta29 PNGLIB_VERSION=1.4.0beta30
PNGLIB_MAJOR=1 PNGLIB_MAJOR=1
PNGLIB_MINOR=4 PNGLIB_MINOR=4
PNGLIB_RELEASE=0 PNGLIB_RELEASE=0
@ -13125,7 +13125,7 @@ exec 6>&1
# report actual input values of CONFIG_FILES etc. instead of their # report actual input values of CONFIG_FILES etc. instead of their
# values after options handling. # values after options handling.
ac_log=" ac_log="
This file was extended by libpng $as_me 1.4.0beta29, which was This file was extended by libpng $as_me 1.4.0beta30, which was
generated by GNU Autoconf 2.62. Invocation command line was generated by GNU Autoconf 2.62. Invocation command line was
CONFIG_FILES = $CONFIG_FILES CONFIG_FILES = $CONFIG_FILES
@ -13178,7 +13178,7 @@ Report bugs to <bug-autoconf@gnu.org>."
_ACEOF _ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_version="\\ ac_cs_version="\\
libpng config.status 1.4.0beta29 libpng config.status 1.4.0beta30
configured by $0, generated by GNU Autoconf 2.62, configured by $0, generated by GNU Autoconf 2.62,
with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\" with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"

4
configure.ac
View File

@ -18,12 +18,12 @@ AC_PREREQ(2.59)
dnl Version number stuff here: dnl Version number stuff here:
AC_INIT([libpng], [1.4.0beta29], [png-mng-implement@lists.sourceforge.net]) AC_INIT([libpng], [1.4.0beta30], [png-mng-implement@lists.sourceforge.net])
AM_INIT_AUTOMAKE AM_INIT_AUTOMAKE
dnl stop configure from automagically running automake dnl stop configure from automagically running automake
AM_MAINTAINER_MODE AM_MAINTAINER_MODE
PNGLIB_VERSION=1.4.0beta29 PNGLIB_VERSION=1.4.0beta30
PNGLIB_MAJOR=1 PNGLIB_MAJOR=1
PNGLIB_MINOR=4 PNGLIB_MINOR=4
PNGLIB_RELEASE=0 PNGLIB_RELEASE=0

1
contrib/pngminim/decoder/pngusr.h
View File

@ -49,6 +49,7 @@
#define PNG_NO_READ_STRIP_ALPHA #define PNG_NO_READ_STRIP_ALPHA
#define PNG_NO_READ_oFFs #define PNG_NO_READ_oFFs
#define PNG_NO_WARN_UNINITIALIZED_ROW #define PNG_NO_WARN_UNINITIALIZED_ROW
#define PNG_NO_READ_PREMULTIPLY_ALPHA
#define PNG_NO_WRITE_SUPPORTED #define PNG_NO_WRITE_SUPPORTED

2
example.c
View File

@ -2,7 +2,7 @@
#if 0 /* in case someone actually tries to compile this */ #if 0 /* in case someone actually tries to compile this */
/* example.c - an example of using libpng /* example.c - an example of using libpng
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* This file has been placed in the public domain by the authors. * This file has been placed in the public domain by the authors.
* Maintained 1998-2008 Glenn Randers-Pehrson * Maintained 1998-2008 Glenn Randers-Pehrson
* Maintained 1996, 1997 Andreas Dilger) * Maintained 1996, 1997 Andreas Dilger)

12
libpng-1.4.0beta29.txt → libpng-1.4.0beta30.txt
View File

@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng libpng.txt - A description on how to use and modify libpng
libpng version 1.4.0beta29 - August 9, 2008 libpng version 1.4.0beta30 - August 14, 2008
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) 1998-2005 Glenn Randers-Pehrson Copyright (c) 1998-2005 Glenn Randers-Pehrson
@ -825,6 +825,12 @@ images) is fully transparent, with
png_set_invert_alpha(png_ptr); png_set_invert_alpha(png_ptr);
The PNG format only supports pixels with postmultiplied alpha.
If you want to replace the pixels, after reading them, with pixels
that have premultiplied color samples, you can do this with
png_set_premultiply_alpha(png_ptr);
PNG files pack pixels of bit depths 1, 2, and 4 into bytes as small as PNG files pack pixels of bit depths 1, 2, and 4 into bytes as small as
they can, resulting in, for example, 8 pixels per byte for 1 bit they can, resulting in, for example, 8 pixels per byte for 1 bit
files. This code expands to 1 pixel per byte without changing the files. This code expands to 1 pixel per byte without changing the
@ -2919,13 +2925,13 @@ application:
IX. Y2K Compliance in libpng IX. Y2K Compliance in libpng
August 9, 2008 August 14, 2008
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 1.4.0beta29 are Y2K compliant. It is my belief that earlier upward through 1.4.0beta30 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant. versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer that Libpng only has three year fields. One is a 2-byte unsigned integer that

26
libpng.3
View File

@ -1,6 +1,6 @@
.TH LIBPNG 3 "August 9, 2008" .TH LIBPNG 3 "August 14, 2008"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta29 libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta30
.SH SYNOPSIS .SH SYNOPSIS
\fI\fB \fI\fB
@ -582,6 +582,10 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta29
\fI\fB \fI\fB
\fBvoid png_set_premultiply_alpha (png_structp \fIpng_ptr\fP\fB);\fP
\fI\fB
\fBvoid png_set_progressive_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIprogressive_ptr\fP\fB, png_progressive_info_ptr \fP\fIinfo_fn\fP\fB, png_progressive_row_ptr \fP\fIrow_fn\fP\fB, png_progressive_end_ptr \fIend_fn\fP\fB);\fP \fBvoid png_set_progressive_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIprogressive_ptr\fP\fB, png_progressive_info_ptr \fP\fIinfo_fn\fP\fB, png_progressive_row_ptr \fP\fIrow_fn\fP\fB, png_progressive_end_ptr \fIend_fn\fP\fB);\fP
\fI\fB \fI\fB
@ -797,7 +801,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
.SH LIBPNG.TXT .SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng libpng.txt - A description on how to use and modify libpng
libpng version 1.4.0beta29 - August 9, 2008 libpng version 1.4.0beta30 - August 14, 2008
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) 1998-2005 Glenn Randers-Pehrson Copyright (c) 1998-2005 Glenn Randers-Pehrson
@ -1622,6 +1626,12 @@ images) is fully transparent, with
png_set_invert_alpha(png_ptr); png_set_invert_alpha(png_ptr);
The PNG format only supports pixels with postmultiplied alpha.
If you want to replace the pixels, after reading them, with pixels
that have premultiplied color samples, you can do this with
png_set_premultiply_alpha(png_ptr);
PNG files pack pixels of bit depths 1, 2, and 4 into bytes as small as PNG files pack pixels of bit depths 1, 2, and 4 into bytes as small as
they can, resulting in, for example, 8 pixels per byte for 1 bit they can, resulting in, for example, 8 pixels per byte for 1 bit
files. This code expands to 1 pixel per byte without changing the files. This code expands to 1 pixel per byte without changing the
@ -3716,13 +3726,13 @@ application:
.SH IX. Y2K Compliance in libpng .SH IX. Y2K Compliance in libpng
August 9, 2008 August 14, 2008
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 1.4.0beta29 are Y2K compliant. It is my belief that earlier upward through 1.4.0beta30 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant. versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer that Libpng only has three year fields. One is a 2-byte unsigned integer that
@ -3945,7 +3955,7 @@ 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 1.4.0beta29 - August 9, 2008: Libpng version 1.4.0beta30 - August 14, 2008:
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).
@ -3966,7 +3976,7 @@ included in the libpng distribution, the latter shall prevail.)
If you modify libpng you may insert additional notices immediately following If you modify libpng you may insert additional notices immediately following
this sentence. this sentence.
libpng versions 1.2.6, August 15, 2004, through 1.4.0beta29, August 9, 2008, are libpng versions 1.2.6, August 15, 2004, through 1.4.0beta30, August 14, 2008, are
Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5 distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors with the following individual added to the list of Contributing Authors
@ -4065,7 +4075,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
August 9, 2008 August 14, 2008
.\" end of man page .\" end of man page

6
libpngpf.3
View File

@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "August 9, 2008" .TH LIBPNGPF 3 "August 14, 2008"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta29 libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta30
(private functions) (private functions)
.SH SYNOPSIS .SH SYNOPSIS
\fB#include <png.h>\fP \fB#include <png.h>\fP
@ -181,6 +181,8 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta29
\fI\fB \fI\fB
\fBvoid png_do_read_premultiply_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
\fI\fB \fI\fB
\fBvoid png_do_read_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP \fBvoid png_do_read_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP

2
png.5
View File

@ -1,4 +1,4 @@
.TH PNG 5 "August 9, 2008" .TH PNG 5 "August 14, 2008"
.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 1.2.30 [August 9, 2008] * Last changed in libpng 1.2.30 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -13,7 +13,7 @@
#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 version_1_4_0beta29 Your_png_h_is_not_version_1_4_0beta29; typedef version_1_4_0beta30 Your_png_h_is_not_version_1_4_0beta30;
/* Version information for C files. This had better match the version /* Version information for C files. This had better match the version
* string defined in png.h. */ * string defined in png.h. */
@ -641,13 +641,13 @@ png_get_copyright(png_structp png_ptr)
#else #else
#ifdef __STDC__ #ifdef __STDC__
return ((png_charp) PNG_STRING_NEWLINE \ return ((png_charp) PNG_STRING_NEWLINE \
"libpng version x 1.4.0beta29 - August 9, 2008" PNG_STRING_NEWLINE \ "libpng version x 1.4.0beta30 - August 14, 2008" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2008 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \ "Copyright (c) 1998-2008 Glenn Randers-Pehrson" 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 ((png_charp) "libpng version 1.4.0beta29 - August 9, 2008\ return ((png_charp) "libpng version 1.4.0beta30 - August 14, 2008\
Copyright (c) 1998-2008 Glenn Randers-Pehrson\ Copyright (c) 1998-2008 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.");

20
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 1.4.0beta29 - August 9, 2008 * libpng version 1.4.0beta30 - August 14, 2008
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 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.)
@ -9,7 +9,7 @@
* 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 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger * libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.4.0beta29 - August 9, 2008: Glenn * libpng versions 0.97, January 1998, through 1.4.0beta30 - August 14, 2008: Glenn
* See also "Contributing Authors", below. * See also "Contributing Authors", below.
* *
* Note about libpng version numbers: * Note about libpng version numbers:
@ -156,7 +156,7 @@
* If you modify libpng you may insert additional notices immediately following * If you modify libpng you may insert additional notices immediately following
* this sentence. * this sentence.
* *
* libpng versions 1.2.6, August 15, 2004, through 1.4.0beta29, August 9, 2008, are * libpng versions 1.2.6, August 15, 2004, through 1.4.0beta30, August 14, 2008, are
* Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are * Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.2.5 * distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors: * with the following individual added to the list of Contributing Authors:
@ -274,7 +274,7 @@
* 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 1.4.0beta29 are Y2K compliant. It is my belief that earlier * upward through 1.4.0beta30 are Y2K compliant. It is my belief that earlier
* versions were also Y2K compliant. * versions were also Y2K compliant.
* *
* Libpng only has three year fields. One is a 2-byte unsigned integer * Libpng only has three year fields. One is a 2-byte unsigned integer
@ -330,9 +330,9 @@
*/ */
/* 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 "1.4.0beta29" #define PNG_LIBPNG_VER_STRING "1.4.0beta30"
#define PNG_HEADER_VERSION_STRING \ #define PNG_HEADER_VERSION_STRING \
" libpng version 1.4.0beta29 - August 9, 2008\n" " libpng version 1.4.0beta30 - August 14, 2008\n"
#define PNG_LIBPNG_VER_SONUM 0 #define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM 14 #define PNG_LIBPNG_VER_DLLNUM 14
@ -344,7 +344,7 @@
/* This should match the numeric part of the final component of /* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */ * PNG_LIBPNG_VER_STRING, omitting any leading zero: */
#define PNG_LIBPNG_VER_BUILD 29 #define PNG_LIBPNG_VER_BUILD 30
/* Release Status */ /* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1 #define PNG_LIBPNG_BUILD_ALPHA 1
@ -1347,7 +1347,7 @@ struct png_struct_def
/* 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 png_structp version_1_4_0beta29; typedef png_structp version_1_4_0beta30;
typedef png_struct FAR * FAR * png_structpp; typedef png_struct FAR * FAR * png_structpp;
@ -1514,6 +1514,10 @@ extern PNG_EXPORT(void,png_set_swap_alpha) PNGARG((png_structp png_ptr));
extern PNG_EXPORT(void,png_set_invert_alpha) PNGARG((png_structp png_ptr)); extern PNG_EXPORT(void,png_set_invert_alpha) PNGARG((png_structp png_ptr));
#endif #endif
#if defined(PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED)
extern PNG_EXPORT(void,png_set_premultiply_alpha) PNGARG((png_structp png_ptr));
#endif
#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED) #if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED)
/* Add a filler byte to 8-bit Gray or 24-bit RGB images. */ /* Add a filler byte to 8-bit Gray or 24-bit RGB images. */
extern PNG_EXPORT(void,png_set_filler) PNGARG((png_structp png_ptr, extern PNG_EXPORT(void,png_set_filler) PNGARG((png_structp png_ptr,

5
pngconf.h
View File

@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng /* pngconf.h - machine configurable file for libpng
* *
* libpng version 1.4.0beta29 - August 9, 2008 * libpng version 1.4.0beta30 - August 14, 2008
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2007 Glenn Randers-Pehrson * Copyright (c) 1998-2007 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -524,6 +524,9 @@
# ifndef PNG_NO_READ_INVERT_ALPHA # ifndef PNG_NO_READ_INVERT_ALPHA
# define PNG_READ_INVERT_ALPHA_SUPPORTED # define PNG_READ_INVERT_ALPHA_SUPPORTED
# endif # endif
# ifndef PNG_NO_READ_PREMULTIPLY_ALPHA
# define PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED
# endif
# ifndef PNG_NO_READ_STRIP_ALPHA # ifndef PNG_NO_READ_STRIP_ALPHA
# define PNG_READ_STRIP_ALPHA_SUPPORTED # define PNG_READ_STRIP_ALPHA_SUPPORTED
# endif # endif

2
pngerror.c
View File

@ -1,7 +1,7 @@
/* pngerror.c - stub functions for i/o and memory allocation /* pngerror.c - stub functions for i/o and memory allocation
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngget.c
View File

@ -1,7 +1,7 @@
/* pngget.c - retrieval of values from info struct /* pngget.c - retrieval of values from info struct
* *
* Last changed in libpng 1.40. [August 9, 2008] * Last changed in libpng 1.40. [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngmem.c
View File

@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation /* pngmem.c - stub functions for memory allocation
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngpread.c
View File

@ -1,7 +1,7 @@
/* pngpread.c - read a png file in push mode /* pngpread.c - read a png file in push mode
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

63
pngpriv.h
View File

@ -1,7 +1,7 @@
/* pngpriv.h - private declarations for use inside libpng /* pngpriv.h - private declarations for use inside libpng
* *
* libpng version 1.4.0beta29 - August 9, 2008 * libpng version 1.4.0beta30 - August 14, 2008
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2007 Glenn Randers-Pehrson * Copyright (c) 1998-2007 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -96,34 +96,34 @@
#define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */ #define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000 /* Have another chunk after IDAT */
/* flags for the transformations the PNG library does on the image data */ /* flags for the transformations the PNG library does on the image data */
#define PNG_BGR 0x0001 #define PNG_BGR 0x0001
#define PNG_INTERLACE 0x0002 #define PNG_INTERLACE 0x0002
#define PNG_PACK 0x0004 #define PNG_PACK 0x0004
#define PNG_SHIFT 0x0008 #define PNG_SHIFT 0x0008
#define PNG_SWAP_BYTES 0x0010 #define PNG_SWAP_BYTES 0x0010
#define PNG_INVERT_MONO 0x0020 #define PNG_INVERT_MONO 0x0020
#define PNG_DITHER 0x0040 #define PNG_DITHER 0x0040
#define PNG_BACKGROUND 0x0080 #define PNG_BACKGROUND 0x0080
#define PNG_BACKGROUND_EXPAND 0x0100 #define PNG_BACKGROUND_EXPAND 0x0100
/* 0x0200 unused */ /* 0x0200 unused */
#define PNG_16_TO_8 0x0400 #define PNG_16_TO_8 0x0400
#define PNG_RGBA 0x0800 #define PNG_RGBA 0x0800
#define PNG_EXPAND 0x1000 #define PNG_EXPAND 0x1000
#define PNG_GAMMA 0x2000 #define PNG_GAMMA 0x2000
#define PNG_GRAY_TO_RGB 0x4000 #define PNG_GRAY_TO_RGB 0x4000
#define PNG_FILLER 0x8000L #define PNG_FILLER 0x8000L
#define PNG_PACKSWAP 0x10000L #define PNG_PACKSWAP 0x10000L
#define PNG_SWAP_ALPHA 0x20000L #define PNG_SWAP_ALPHA 0x20000L
#define PNG_STRIP_ALPHA 0x40000L #define PNG_STRIP_ALPHA 0x40000L
#define PNG_INVERT_ALPHA 0x80000L #define PNG_INVERT_ALPHA 0x80000L
#define PNG_USER_TRANSFORM 0x100000L #define PNG_USER_TRANSFORM 0x100000L
#define PNG_RGB_TO_GRAY_ERR 0x200000L #define PNG_RGB_TO_GRAY_ERR 0x200000L
#define PNG_RGB_TO_GRAY_WARN 0x400000L #define PNG_RGB_TO_GRAY_WARN 0x400000L
#define PNG_RGB_TO_GRAY 0x600000L /* two bits, RGB_TO_GRAY_ERR|WARN */ #define PNG_RGB_TO_GRAY 0x600000L /* two bits, RGB_TO_GRAY_ERR|WARN */
/* 0x800000L Unused */ /* 0x800000L Unused */
#define PNG_ADD_ALPHA 0x1000000L /* Added to libpng-1.2.7 */ #define PNG_ADD_ALPHA 0x1000000L /* Added to libpng-1.2.7 */
#define PNG_EXPAND_tRNS 0x2000000L /* Added to libpng-1.2.9 */ #define PNG_EXPAND_tRNS 0x2000000L /* Added to libpng-1.2.9 */
/* 0x4000000L unused */ #define PNG_PREMULTIPLY_ALPHA 0x4000000L /* Added to libpng-1.4.0 by volker */
/* 0x8000000L unused */ /* 0x8000000L unused */
/* 0x10000000L unused */ /* 0x10000000L unused */
/* 0x20000000L unused */ /* 0x20000000L unused */
@ -585,6 +585,11 @@ PNG_EXTERN void png_do_write_invert_alpha PNGARG((png_row_infop row_info,
png_bytep row)); png_bytep row));
#endif #endif
#if defined(PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED)
PNG_EXTERN void png_do_read_premultiply_alpha PNGARG((png_row_infop row_info,
png_bytep row));
#endif
#if defined(PNG_WRITE_FILLER_SUPPORTED) || \ #if defined(PNG_WRITE_FILLER_SUPPORTED) || \
defined(PNG_READ_STRIP_ALPHA_SUPPORTED) defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info, PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info,

2
pngread.c
View File

@ -1,7 +1,7 @@
/* pngread.c - read a PNG file /* pngread.c - read a PNG file
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngrio.c
View File

@ -1,7 +1,7 @@
/* pngrio.c - functions for data input /* pngrio.c - functions for data input
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

85
pngrtran.c
View File

@ -1,7 +1,7 @@
/* pngrtran.c - transforms the data in a row for PNG readers /* pngrtran.c - transforms the data in a row for PNG readers
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -1442,6 +1442,11 @@ From Andreas Dilger e-mail to png-implement, 26 March 1998:
(png_uint_32)png_ptr->filler, png_ptr->flags); (png_uint_32)png_ptr->filler, png_ptr->flags);
#endif #endif
#if defined(PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED)
if (png_ptr->transformations & PNG_PREMULTIPLY_ALPHA)
png_do_read_premultiply_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);
#endif
#if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) #if defined(PNG_READ_INVERT_ALPHA_SUPPORTED)
if (png_ptr->transformations & PNG_INVERT_ALPHA) if (png_ptr->transformations & PNG_INVERT_ALPHA)
png_do_read_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1); png_do_read_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);
@ -1915,6 +1920,84 @@ png_do_read_invert_alpha(png_row_infop row_info, png_bytep row)
} }
#endif #endif
#if defined(PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED)
void /* PRIVATE */
png_do_read_premultiply_alpha(png_row_infop row_info, png_bytep row)
{
png_debug(1, "in png_do_read_premultiply_alpha\n");
{
png_uint_32 row_width = row_info->width;
if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
{
/* This premultiplies the pixels with the alpha channel in RGBA */
if (row_info->bit_depth == 8)
{
png_bytep sp = row + row_info->rowbytes;
png_bytep dp = sp;
png_uint_16 a = 0;
png_uint_32 i;
for (i = 0; i < row_width; i++)
{
a = *(--sp); --dp;
*(--dp) = (*(--sp) * a) / 255;
*(--dp) = (*(--sp) * a) / 255;
*(--dp) = (*(--sp) * a) / 255;
}
}
/* This premultiplies the pixels with the alpha channel in RRGGBBAA */
else
{
png_uint_16p sp = (png_uint_16p)(row + row_info->rowbytes);
png_uint_16p dp = sp;
png_uint_32 a = 0;
png_uint_32 i;
for (i = 0; i < row_width; i++)
{
a = *(--sp); --dp;
*(--dp) = (png_uint_16) ((*(--sp) * a) / 65535);
*(--dp) = (png_uint_16) ((*(--sp) * a) / 65535);
*(--dp) = (png_uint_16) ((*(--sp) * a) / 65535);
}
}
}
else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
{
/* This premultiplies the pixels with the alpha channel in GA */
if (row_info->bit_depth == 8)
{
png_bytep sp = row + row_info->rowbytes;
png_bytep dp = sp;
png_uint_16 a = 0;
png_uint_32 i;
for (i = 0; i < row_width; i++)
{
a = *(--sp); --dp;
*(--dp) = (*(--sp) * a) / 255;
}
}
/* This premultiplies the pixels with the alpha channel in GGAA */
else
{
png_uint_16p sp = (png_uint_16p) (row + row_info->rowbytes);
png_uint_16p dp = sp;
png_uint_32 a = 0;
png_uint_32 i;
for (i = 0; i < row_width; i++)
{
a = *(--sp); --dp;
*(--dp) = (png_uint_16) ((*(--sp) * a) / 65535);
}
}
}
}
}
#endif
#if defined(PNG_READ_FILLER_SUPPORTED) #if defined(PNG_READ_FILLER_SUPPORTED)
/* Add filler channel if we have RGB color */ /* Add filler channel if we have RGB color */
void /* PRIVATE */ void /* PRIVATE */

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 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngset.c
View File

@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct /* pngset.c - storage of image information into info struct
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

4
pngtest.c
View File

@ -1,7 +1,7 @@
/* pngtest.c - a simple test program to test libpng /* pngtest.c - a simple test program to test libpng
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -1613,4 +1613,4 @@ main(int argc, char *argv[])
} }
/* 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 version_1_4_0beta29 your_png_h_is_not_version_1_4_0beta29; typedef version_1_4_0beta30 your_png_h_is_not_version_1_4_0beta30;

15
pngtrans.c
View File

@ -1,7 +1,7 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers) /* pngtrans.c - transforms the data in a row (used by both readers and writers)
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -162,6 +162,19 @@ png_set_invert_alpha(png_structp png_ptr)
} }
#endif #endif
#if defined(PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED)
void PNGAPI
png_set_premultiply_alpha(png_structp png_ptr)
{
png_debug(1, "in png_set_premultiply_alpha\n");
if(png_ptr == NULL) return;
png_ptr->transformations |= PNG_PREMULTIPLY_ALPHA;
png_set_palette_to_rgb(png_ptr);
png_set_expand_gray_1_2_4_to_8(png_ptr);
png_set_tRNS_to_alpha(png_ptr);
}
#endif
#if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED) #if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED)
void PNGAPI void PNGAPI
png_set_invert_mono(png_structp png_ptr) png_set_invert_mono(png_structp png_ptr)

2
pngwio.c
View File

@ -1,7 +1,7 @@
/* pngwio.c - functions for data output /* pngwio.c - functions for data output
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngwrite.c
View File

@ -1,7 +1,7 @@
/* pngwrite.c - general routines to write a PNG file /* pngwrite.c - general routines to write a PNG file
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngwtran.c
View File

@ -1,7 +1,7 @@
/* pngwtran.c - transforms the data in a row for PNG writers /* pngwtran.c - transforms the data in a row for PNG writers
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
pngwutil.c
View File

@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file /* pngwutil.c - utilities to write a PNG file
* *
* Last changed in libpng 1.4.0 [August 9, 2008] * Last changed in libpng 1.4.0 [August 14, 2008]
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson * Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

2
scripts/CMakeLists.txt
View File

@ -178,7 +178,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
# SET UP LINKS # SET UP LINKS
set_target_properties(${PNG_LIB_NAME} PROPERTIES set_target_properties(${PNG_LIB_NAME} PROPERTIES
# VERSION 0.${PNGLIB_RELEASE}.1.4.0beta29 # VERSION 0.${PNGLIB_RELEASE}.1.4.0beta30
VERSION 0.${PNGLIB_RELEASE}.0 VERSION 0.${PNGLIB_RELEASE}.0
SOVERSION 0 SOVERSION 0
CLEAN_DIRECT_OUTPUT 1) CLEAN_DIRECT_OUTPUT 1)

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

@ -8,7 +8,7 @@
# Modeled after libxml-config. # Modeled after libxml-config.
version=1.4.0beta29 version=1.4.0beta30
prefix="" prefix=""
libdir="" libdir=""
libs="" libs=""

2
scripts/libpng.pc.in
View File

@ -5,6 +5,6 @@ includedir=@includedir@/libpng14
Name: libpng Name: libpng
Description: Loads and saves PNG files Description: Loads and saves PNG files
Version: 1.4.0beta29 Version: 1.4.0beta30
Libs: -L${libdir} -lpng14 Libs: -L${libdir} -lpng14
Cflags: -I${includedir} Cflags: -I${includedir}

2
scripts/makefile.32sunu
View File

@ -8,7 +8,7 @@
# Library name: # Library name:
LIBNAME=libpng14 LIBNAME=libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.64sunu
View File

@ -8,7 +8,7 @@
# Library name: # Library name:
LIBNAME=libpng14 LIBNAME=libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.aix
View File

@ -20,7 +20,7 @@ LN_SF = ln -f -s
LIBNAME=libpng14 LIBNAME=libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
prefix=/usr/local prefix=/usr/local

2
scripts/makefile.beos
View File

@ -8,7 +8,7 @@
# Library name: # Library name:
LIBNAME=libpng14 LIBNAME=libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.cygwin
View File

@ -65,7 +65,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 0 PNGMAJ = 0
CYGDLL = 14 CYGDLL = 14
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=cygpng$(CYGDLL).dll SHAREDLIB=cygpng$(CYGDLL).dll

2
scripts/makefile.darwin
View File

@ -19,7 +19,7 @@ ZLIBINC=../zlib
# Library name: # Library name:
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 12 PNGMAJ = 12
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.dec
View File

@ -5,7 +5,7 @@
# Library name: # Library name:
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng14 LIBNAME = libpng14

2
scripts/makefile.elf
View File

@ -12,7 +12,7 @@
# Library name: # Library name:
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.gcmmx
View File

@ -16,7 +16,7 @@
# Library name: # Library name:
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.hp64
View File

@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
# Library name: # Library name:
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.hpgcc
View File

@ -8,7 +8,7 @@
# Library name: # Library name:
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.hpux
View File

@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
# Library name: # Library name:
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.linux
View File

@ -6,7 +6,7 @@
# Library name: # Library name:
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.mingw
View File

@ -81,7 +81,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 0 PNGMAJ = 0
MINGDLL = 14 MINGDLL = 14
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=libpng$(MINGDLL).dll SHAREDLIB=libpng$(MINGDLL).dll

2
scripts/makefile.ne12bsd
View File

@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng14
LIB= png14 LIB= png14
SHLIB_MAJOR= 0 SHLIB_MAJOR= 0
SHLIB_MINOR= 1.4.0beta29 SHLIB_MINOR= 1.4.0beta30
SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ 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

@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng
LIB= png LIB= png
SHLIB_MAJOR= 3 SHLIB_MAJOR= 3
SHLIB_MINOR= 1.4.0beta29 SHLIB_MINOR= 1.4.0beta30
SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ 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.nommx
View File

@ -16,7 +16,7 @@
# Library name: # Library name:
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.openbsd
View File

@ -8,7 +8,7 @@ LIBDIR= ${PREFIX}/lib
MANDIR= ${PREFIX}/man/cat MANDIR= ${PREFIX}/man/cat
SHLIB_MAJOR= 0 SHLIB_MAJOR= 0
SHLIB_MINOR= 1.4.0beta29 SHLIB_MINOR= 1.4.0beta30
LIB= png LIB= png
SRCS= png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \ SRCS= png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \

2
scripts/makefile.sco
View File

@ -9,7 +9,7 @@
# Library name: # Library name:
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.sggcc
View File

@ -6,7 +6,7 @@
# Library name: # Library name:
LIBNAME=libpng14 LIBNAME=libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.sgi
View File

@ -6,7 +6,7 @@
# Library name: # Library name:
LIBNAME=libpng14 LIBNAME=libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/makefile.so9
View File

@ -8,7 +8,7 @@
# Library name: # Library name:
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng14 LIBNAME = libpng14

2
scripts/makefile.solaris
View File

@ -8,7 +8,7 @@
# Library name: # Library name:
LIBNAME = libpng14 LIBNAME = libpng14
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.4.0beta29 PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names: # Shared library names:

2
scripts/pngos2.def
View File

@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2 ; PNG.LIB module definition file for OS/2
;---------------------------------------- ;----------------------------------------
; Version 1.4.0beta29 ; Version 1.4.0beta30
LIBRARY PNG LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2" DESCRIPTION "PNG image compression library for OS/2"

2
scripts/pngwin.def
View File

@ -5,7 +5,7 @@
LIBRARY LIBRARY
EXPORTS EXPORTS
;Version 1.4.0beta29 ;Version 1.4.0beta30
png_build_grayscale_palette png_build_grayscale_palette
png_chunk_error png_chunk_error
png_chunk_warning png_chunk_warning