Imported from libpng-1.4.0beta30.tar
diff --git a/ANNOUNCE b/ANNOUNCE
index ef64bd0..2aa1863 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -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
within a few weeks by a public version or by another test version.
@@ -9,27 +9,27 @@
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
- 1.4.0beta29.tar.gz
- 1.4.0beta29.tar.bz2
+ 1.4.0beta30.tar.gz
+ 1.4.0beta30.tar.bz2
Source files with LF line endings (for Unix/Linux) without the
"configure" script
- 1.4.0beta29-no-config.tar.gz
- 1.4.0beta29-no-config.tar.bz2
+ 1.4.0beta30-no-config.tar.gz
+ 1.4.0beta30-no-config.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
- lp140b29.zip
- lp140b29.tar.bz2
+ lp140b30.zip
+ lp140b30.tar.bz2
Other information:
- 1.4.0beta29-README.txt
- 1.4.0beta29-KNOWNBUGS.txt
- 1.4.0beta29-LICENSE.txt
- 1.4.0beta29-Y2K-compliance.txt
+ 1.4.0beta30-README.txt
+ 1.4.0beta30-KNOWNBUGS.txt
+ 1.4.0beta30-LICENSE.txt
+ 1.4.0beta30-Y2K-compliance.txt
Changes since the last public release (1.2.10):
@@ -306,6 +306,9 @@
Added PNG_STRING_COPYRIGHT macro.
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]
Build shared libraries with -lz and sometimes -lm.
diff --git a/CHANGES b/CHANGES
index 05242dd..335129d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1979,6 +1979,9 @@
Added PNG_STRING_COPYRIGHT macro.
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]
Build shared libraries with -lz and sometimes -lm.
diff --git a/INSTALL b/INSTALL
index f69943f..735956e 100644
--- a/INSTALL
+++ b/INSTALL
@@ -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
@@ -44,7 +44,7 @@
correspond to the version of zlib that's installed.
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".
Your directory structure should look like this:
@@ -95,14 +95,14 @@
CMakeLists.txt => "cmake" script
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
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
- (gcc, creates libpng14.so.0.1.4.0beta29)
+ (gcc, creates libpng14.so.0.1.4.0beta30)
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)
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)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
@@ -125,12 +125,12 @@
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc,
- creates libpng14.so.0.1.4.0beta29)
+ creates libpng14.so.0.1.4.0beta30)
makefile.sunos => Sun makefile
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,
- creates libpng14.so.0.1.4.0beta29)
+ creates libpng14.so.0.1.4.0beta30)
makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
diff --git a/KNOWNBUG b/KNOWNBUG
index 188072f..950e736 100644
--- a/KNOWNBUG
+++ b/KNOWNBUG
@@ -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
reading interlaced PNG files, when assembler code is enabled but running
diff --git a/LICENSE b/LICENSE
index 8a08f70..15b118e 100644
--- a/LICENSE
+++ b/LICENSE
@@ -8,7 +8,7 @@
If you modify libpng you may insert additional notices immediately following
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
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
@@ -106,4 +106,4 @@
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-August 9, 2008
+August 14, 2008
diff --git a/Makefile.am b/Makefile.am
index ae675ea..508e2b1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -86,7 +86,7 @@
${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \
$(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 \
libpng.sym
diff --git a/Makefile.in b/Makefile.in
index 1049447..0a6c151 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -331,7 +331,7 @@
${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \
$(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 \
libpng.sym
diff --git a/README b/README
index dfbcfbd..9a22f5f 100644
--- a/README
+++ b/README
@@ -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 INSTALL for instructions on how to install libpng.
@@ -184,11 +184,11 @@
descrip.mms => VMS makefile for MMS or MMK
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
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
- (gcc, creates libpng14.so.0.1.4.0beta29)
+ (gcc, creates libpng14.so.0.1.4.0beta30)
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)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
@@ -210,12 +210,12 @@
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
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.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
- (gcc, creates libpng14.so.0.1.4.0beta29)
+ (gcc, creates libpng14.so.0.1.4.0beta30)
makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
diff --git a/configure b/configure
index 6934113..9c9fefa 100755
--- a/configure
+++ b/configure
Binary files differ
diff --git a/configure.ac b/configure.ac
index f56a3a6..61fee9d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,12 +18,12 @@
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
dnl stop configure from automagically running automake
AM_MAINTAINER_MODE
-PNGLIB_VERSION=1.4.0beta29
+PNGLIB_VERSION=1.4.0beta30
PNGLIB_MAJOR=1
PNGLIB_MINOR=4
PNGLIB_RELEASE=0
diff --git a/contrib/pngminim/decoder/pngusr.h b/contrib/pngminim/decoder/pngusr.h
index f94b83a..d0b1220 100644
--- a/contrib/pngminim/decoder/pngusr.h
+++ b/contrib/pngminim/decoder/pngusr.h
@@ -49,6 +49,7 @@
#define PNG_NO_READ_STRIP_ALPHA
#define PNG_NO_READ_oFFs
#define PNG_NO_WARN_UNINITIALIZED_ROW
+#define PNG_NO_READ_PREMULTIPLY_ALPHA
#define PNG_NO_WRITE_SUPPORTED
diff --git a/example.c b/example.c
index f598187..830bbb3 100644
--- a/example.c
+++ b/example.c
@@ -2,7 +2,7 @@
#if 0 /* in case someone actually tries to compile this */
/* 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.
* Maintained 1998-2008 Glenn Randers-Pehrson
* Maintained 1996, 1997 Andreas Dilger)
diff --git a/libpng-1.4.0beta29.txt b/libpng-1.4.0beta30.txt
similarity index 99%
rename from libpng-1.4.0beta29.txt
rename to libpng-1.4.0beta30.txt
index c7e5027..9a70ea5 100644
--- a/libpng-1.4.0beta29.txt
+++ b/libpng-1.4.0beta30.txt
@@ -1,6 +1,6 @@
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
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -825,6 +825,12 @@
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
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
@@ -2919,13 +2925,13 @@
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
an official declaration.
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.
Libpng only has three year fields. One is a 2-byte unsigned integer that
diff --git a/libpng.3 b/libpng.3
index 9256bd0..bf573e0 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "August 9, 2008"
+.TH LIBPNG 3 "August 14, 2008"
.SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta29
+libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta30
.SH SYNOPSIS
\fI\fB
@@ -582,6 +582,10 @@
\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
\fI\fB
@@ -797,7 +801,7 @@
.SH LIBPNG.TXT
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
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -1622,6 +1626,12 @@
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
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
@@ -3716,13 +3726,13 @@
.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
an official declaration.
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.
Libpng only has three year fields. One is a 2-byte unsigned integer that
@@ -3945,7 +3955,7 @@
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.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@@ -3966,7 +3976,7 @@
If you modify libpng you may insert additional notices immediately following
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
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
@@ -4065,7 +4075,7 @@
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-August 9, 2008
+August 14, 2008
.\" end of man page
diff --git a/libpngpf.3 b/libpngpf.3
index bc58582..6739e87 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "August 9, 2008"
+.TH LIBPNGPF 3 "August 14, 2008"
.SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta29
+libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta30
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP
@@ -181,6 +181,8 @@
\fI\fB
+\fBvoid png_do_read_premultiply_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+
\fI\fB
\fBvoid png_do_read_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
diff --git a/png.5 b/png.5
index 54b9025..e4be5da 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "August 9, 2008"
+.TH PNG 5 "August 14, 2008"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
diff --git a/png.c b/png.c
index 9726adf..46f8fd6 100644
--- a/png.c
+++ b/png.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -13,7 +13,7 @@
#include "pngpriv.h"
/* 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
* string defined in png.h. */
@@ -641,13 +641,13 @@
#else
#ifdef __STDC__
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) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE);
#else
- return ((png_charp) "libpng version 1.4.0beta29 - August 9, 2008\
+ return ((png_charp) "libpng version 1.4.0beta30 - August 14, 2008\
Copyright (c) 1998-2008 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.");
diff --git a/png.h b/png.h
index b1afbc6..ee9262e 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
/* 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
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -9,7 +9,7 @@
* Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- * libpng versions 0.97, January 1998, through 1.4.0beta29 - August 9, 2008: Glenn
+ * libpng versions 0.97, January 1998, through 1.4.0beta30 - August 14, 2008: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -156,7 +156,7 @@
* If you modify libpng you may insert additional notices immediately following
* 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
* distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors:
@@ -274,7 +274,7 @@
* an official declaration.
*
* 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.
*
* 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 */
-#define PNG_LIBPNG_VER_STRING "1.4.0beta29"
+#define PNG_LIBPNG_VER_STRING "1.4.0beta30"
#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_DLLNUM 14
@@ -344,7 +344,7 @@
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
-#define PNG_LIBPNG_VER_BUILD 29
+#define PNG_LIBPNG_VER_BUILD 30
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
@@ -1347,7 +1347,7 @@
/* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number.
*/
-typedef png_structp version_1_4_0beta29;
+typedef png_structp version_1_4_0beta30;
typedef png_struct FAR * FAR * png_structpp;
@@ -1514,6 +1514,10 @@
extern PNG_EXPORT(void,png_set_invert_alpha) PNGARG((png_structp png_ptr));
#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)
/* 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,
diff --git a/pngconf.h b/pngconf.h
index b5d16bc..97c37d4 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -524,6 +524,9 @@
# ifndef PNG_NO_READ_INVERT_ALPHA
# define PNG_READ_INVERT_ALPHA_SUPPORTED
# endif
+# ifndef PNG_NO_READ_PREMULTIPLY_ALPHA
+# define PNG_READ_PREMULTIPLY_ALPHA_SUPPORTED
+# endif
# ifndef PNG_NO_READ_STRIP_ALPHA
# define PNG_READ_STRIP_ALPHA_SUPPORTED
# endif
diff --git a/pngerror.c b/pngerror.c
index 1b0c450..2fe8185 100644
--- a/pngerror.c
+++ b/pngerror.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngget.c b/pngget.c
index 9c22b5e..e208cd7 100644
--- a/pngget.c
+++ b/pngget.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngmem.c b/pngmem.c
index 3e9a2a2..52e279d 100644
--- a/pngmem.c
+++ b/pngmem.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngpread.c b/pngpread.c
index 809c0c7..83e593c 100644
--- a/pngpread.c
+++ b/pngpread.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngpriv.h b/pngpriv.h
index 9b70987..dee7c92 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
* (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 */
/* flags for the transformations the PNG library does on the image data */
-#define PNG_BGR 0x0001
-#define PNG_INTERLACE 0x0002
-#define PNG_PACK 0x0004
-#define PNG_SHIFT 0x0008
-#define PNG_SWAP_BYTES 0x0010
-#define PNG_INVERT_MONO 0x0020
-#define PNG_DITHER 0x0040
-#define PNG_BACKGROUND 0x0080
-#define PNG_BACKGROUND_EXPAND 0x0100
- /* 0x0200 unused */
-#define PNG_16_TO_8 0x0400
-#define PNG_RGBA 0x0800
-#define PNG_EXPAND 0x1000
-#define PNG_GAMMA 0x2000
-#define PNG_GRAY_TO_RGB 0x4000
-#define PNG_FILLER 0x8000L
-#define PNG_PACKSWAP 0x10000L
-#define PNG_SWAP_ALPHA 0x20000L
-#define PNG_STRIP_ALPHA 0x40000L
-#define PNG_INVERT_ALPHA 0x80000L
-#define PNG_USER_TRANSFORM 0x100000L
-#define PNG_RGB_TO_GRAY_ERR 0x200000L
-#define PNG_RGB_TO_GRAY_WARN 0x400000L
-#define PNG_RGB_TO_GRAY 0x600000L /* two bits, RGB_TO_GRAY_ERR|WARN */
- /* 0x800000L Unused */
-#define PNG_ADD_ALPHA 0x1000000L /* Added to libpng-1.2.7 */
-#define PNG_EXPAND_tRNS 0x2000000L /* Added to libpng-1.2.9 */
- /* 0x4000000L unused */
+#define PNG_BGR 0x0001
+#define PNG_INTERLACE 0x0002
+#define PNG_PACK 0x0004
+#define PNG_SHIFT 0x0008
+#define PNG_SWAP_BYTES 0x0010
+#define PNG_INVERT_MONO 0x0020
+#define PNG_DITHER 0x0040
+#define PNG_BACKGROUND 0x0080
+#define PNG_BACKGROUND_EXPAND 0x0100
+ /* 0x0200 unused */
+#define PNG_16_TO_8 0x0400
+#define PNG_RGBA 0x0800
+#define PNG_EXPAND 0x1000
+#define PNG_GAMMA 0x2000
+#define PNG_GRAY_TO_RGB 0x4000
+#define PNG_FILLER 0x8000L
+#define PNG_PACKSWAP 0x10000L
+#define PNG_SWAP_ALPHA 0x20000L
+#define PNG_STRIP_ALPHA 0x40000L
+#define PNG_INVERT_ALPHA 0x80000L
+#define PNG_USER_TRANSFORM 0x100000L
+#define PNG_RGB_TO_GRAY_ERR 0x200000L
+#define PNG_RGB_TO_GRAY_WARN 0x400000L
+#define PNG_RGB_TO_GRAY 0x600000L /* two bits, RGB_TO_GRAY_ERR|WARN */
+ /* 0x800000L Unused */
+#define PNG_ADD_ALPHA 0x1000000L /* Added to libpng-1.2.7 */
+#define PNG_EXPAND_tRNS 0x2000000L /* Added to libpng-1.2.9 */
+#define PNG_PREMULTIPLY_ALPHA 0x4000000L /* Added to libpng-1.4.0 by volker */
/* 0x8000000L unused */
/* 0x10000000L unused */
/* 0x20000000L unused */
@@ -585,6 +585,11 @@
png_bytep row));
#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) || \
defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info,
diff --git a/pngread.c b/pngread.c
index c29718e..b5fc2d2 100644
--- a/pngread.c
+++ b/pngread.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngrio.c b/pngrio.c
index d0daea4..877200a 100644
--- a/pngrio.c
+++ b/pngrio.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngrtran.c b/pngrtran.c
index f75de4e..1a83faa 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -1442,6 +1442,11 @@
(png_uint_32)png_ptr->filler, png_ptr->flags);
#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 (png_ptr->transformations & PNG_INVERT_ALPHA)
png_do_read_invert_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);
@@ -1915,6 +1920,84 @@
}
#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)
/* Add filler channel if we have RGB color */
void /* PRIVATE */
diff --git a/pngrutil.c b/pngrutil.c
index 89967d9..8788593 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngset.c b/pngset.c
index 466138e..80af72d 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngtest.c b/pngtest.c
index 91f7841..a7cd769 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -1613,4 +1613,4 @@
}
/* 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;
diff --git a/pngtrans.c b/pngtrans.c
index 9403647..deebc05 100644
--- a/pngtrans.c
+++ b/pngtrans.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -162,6 +162,19 @@
}
#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)
void PNGAPI
png_set_invert_mono(png_structp png_ptr)
diff --git a/pngwio.c b/pngwio.c
index c1ecedc..d9666d8 100644
--- a/pngwio.c
+++ b/pngwio.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngwrite.c b/pngwrite.c
index c7a5cf4..08ae8d4 100644
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngwtran.c b/pngwtran.c
index 2c9d604..f9fe4f4 100644
--- a/pngwtran.c
+++ b/pngwtran.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngwutil.c b/pngwutil.c
index 16beffe..66f1578 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,7 +1,7 @@
/* 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
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt
index 41b5b36..f49d4a4 100644
--- a/scripts/CMakeLists.txt
+++ b/scripts/CMakeLists.txt
@@ -178,7 +178,7 @@
# SET UP LINKS
set_target_properties(${PNG_LIB_NAME} PROPERTIES
-# VERSION 0.${PNGLIB_RELEASE}.1.4.0beta29
+# VERSION 0.${PNGLIB_RELEASE}.1.4.0beta30
VERSION 0.${PNGLIB_RELEASE}.0
SOVERSION 0
CLEAN_DIRECT_OUTPUT 1)
diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in
index 80312cc..99cf268 100755
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -8,7 +8,7 @@
# Modeled after libxml-config.
-version=1.4.0beta29
+version=1.4.0beta30
prefix=""
libdir=""
libs=""
diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in
index 67e358d..14f9f02 100644
--- a/scripts/libpng.pc.in
+++ b/scripts/libpng.pc.in
@@ -5,6 +5,6 @@
Name: libpng
Description: Loads and saves PNG files
-Version: 1.4.0beta29
+Version: 1.4.0beta30
Libs: -L${libdir} -lpng14
Cflags: -I${includedir}
diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu
index 6810c02..f95c8f8 100644
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu
index 2de6ee2..87778c8 100644
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.aix b/scripts/makefile.aix
index 0ddcd37..39edd84 100644
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -20,7 +20,7 @@
LIBNAME=libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
prefix=/usr/local
diff --git a/scripts/makefile.beos b/scripts/makefile.beos
index efcbccb..10668b2 100644
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin
index 0d0ca36..6520143 100644
--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -65,7 +65,7 @@
LIBNAME = libpng14
PNGMAJ = 0
CYGDLL = 14
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=cygpng$(CYGDLL).dll
diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin
index 1c24607..306580f 100644
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -19,7 +19,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 12
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.dec b/scripts/makefile.dec
index e4b0d60..f29daf2 100644
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -5,7 +5,7 @@
# Library name:
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng14
diff --git a/scripts/makefile.elf b/scripts/makefile.elf
index 267d2e7..1eb8c37 100644
--- a/scripts/makefile.elf
+++ b/scripts/makefile.elf
@@ -12,7 +12,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx
index edf421c..f96805a 100644
--- a/scripts/makefile.gcmmx
+++ b/scripts/makefile.gcmmx
@@ -16,7 +16,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64
index af3601b..cdab61b 100644
--- a/scripts/makefile.hp64
+++ b/scripts/makefile.hp64
@@ -18,7 +18,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc
index 1fbf41e..24c5600 100644
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux
index 4aa6575..5ca67fb 100644
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -18,7 +18,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index 106644e..c8f13d3 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -6,7 +6,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw
index e9ffea5..31d3a36 100644
--- a/scripts/makefile.mingw
+++ b/scripts/makefile.mingw
@@ -81,7 +81,7 @@
LIBNAME = libpng14
PNGMAJ = 0
MINGDLL = 14
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=libpng$(MINGDLL).dll
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index 3a24c20..b9ddf0d 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -14,7 +14,7 @@
LIB= png14
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 \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c
diff --git a/scripts/makefile.netbsd b/scripts/makefile.netbsd
index 3545525..8b860a5 100644
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -13,7 +13,7 @@
LIB= png
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 \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c
diff --git a/scripts/makefile.nommx b/scripts/makefile.nommx
index 31b0ff8..1ca5024 100644
--- a/scripts/makefile.nommx
+++ b/scripts/makefile.nommx
@@ -16,7 +16,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.openbsd b/scripts/makefile.openbsd
index 38374cd..f649308 100644
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -8,7 +8,7 @@
MANDIR= ${PREFIX}/man/cat
SHLIB_MAJOR= 0
-SHLIB_MINOR= 1.4.0beta29
+SHLIB_MINOR= 1.4.0beta30
LIB= png
SRCS= png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \
diff --git a/scripts/makefile.sco b/scripts/makefile.sco
index b6c515d..4840c5e 100644
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -9,7 +9,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc
index 9b81bb6..b884f60 100644
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -6,7 +6,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi
index 17f5f09..ba8a448 100644
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -6,7 +6,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.so9 b/scripts/makefile.so9
index c3ef646..2a88f87 100644
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -8,7 +8,7 @@
# Library name:
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng14
diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris
index b1c740f..172ca09 100644
--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 0
-PNGMIN = 1.4.0beta29
+PNGMIN = 1.4.0beta30
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/pngos2.def b/scripts/pngos2.def
index 7d6b3e8..9874b83 100644
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2
;----------------------------------------
-; Version 1.4.0beta29
+; Version 1.4.0beta30
LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2"
diff --git a/scripts/pngwin.def b/scripts/pngwin.def
index b53bbe2..74f38c0 100644
--- a/scripts/pngwin.def
+++ b/scripts/pngwin.def
@@ -5,7 +5,7 @@
LIBRARY
EXPORTS
-;Version 1.4.0beta29
+;Version 1.4.0beta30
png_build_grayscale_palette
png_chunk_error
png_chunk_warning
