Imported from libpng-1.2.13beta1.tar
diff --git a/ANNOUNCE b/ANNOUNCE
index c861402..f8dfc61 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,48 +1,52 @@
-Libpng 1.2.12 - June 27, 2006
+Libpng 1.2.13beta1 - October 2, 2006
-This is a public release of libpng, intended for use in production codes.
+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.
Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
- libpng-1.2.12.tar.gz
- libpng-1.2.12.tar.bz2
+ libpng-1.2.13beta1.tar.gz
+ libpng-1.2.13beta1.tar.bz2
Source files with LF line endings (for Unix/Linux) without the
"configure" script
- libpng-1.2.12-no-config.tar.gz
- libpng-1.2.12-no-config.tar.bz2
+ libpng-1.2.13beta1-no-config.tar.gz
+ libpng-1.2.13beta1-no-config.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
- lpng1212.zip
- lpng1212.tar.bz2
+ lp1213b01.zip
+ lp1213b01.tar.bz2
Project files
- libpng-1.2.12-project-netware.zip
- libpng-1.2.12-project-wince.zip
+ libpng-1.2.13beta1-project-netware.zip
+ libpng-1.2.13beta1-project-wince.zip
Other information:
- libpng-1.2.12-README.txt
- libpng-1.2.12-KNOWNBUGS.txt
- libpng-1.2.12-LICENSE.txt
- libpng-1.2.12-Y2K-compliance.txt
+ libpng-1.2.13beta1-README.txt
+ libpng-1.2.13beta1-KNOWNBUGS.txt
+ libpng-1.2.13beta1-LICENSE.txt
+ libpng-1.2.13beta1-Y2K-compliance.txt
Changes since the last public release (1.2.11):
-version 1.2.12 [June 27, 2006]
-
-version 1.0.20, 1.2.12 [June 27, 2006]
+version 1.0.20, 1.2.12 [October 2, 2006]
Really increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
buffer overflow.
+version 1.2.13beta1 [October 2, 2006]
+ Removed AC_FUNC_MALLOC from configure.ac
+ Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h
+ Change "logical" to "bitwise" throughout documentation.
+
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
diff --git a/CHANGES b/CHANGES
index 41912db..7ee498e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1480,7 +1480,7 @@
Restored scripts/makefile.elf which was inadvertently deleted.
version 1.2.9beta6 [March 6, 2006]
- Fixed typo (12) in configuration files.
+ Fixed typo (13) in configuration files.
version 1.2.9beta7 [March 7, 2006]
Removed libpng.vers and libpng.sym from libpng12_la_SOURCES in Makefile.am
@@ -1615,6 +1615,11 @@
Really increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
buffer overflow.
+version 1.2.13beta1 [October 2, 2006]
+ Removed AC_FUNC_MALLOC from configure.ac
+ Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h
+ Change "logical" to "bitwise" throughout documentation.
+
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
diff --git a/INSTALL b/INSTALL
index 919d149..eb44a94 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
-Installing libpng version 1.2.12 - June 27, 2006
+Installing libpng version 1.2.13beta1 - October 2, 2006
On Unix/Linux and similar systems, you can simply type
@@ -37,7 +37,7 @@
correspond to the version of zlib that's installed.
You can rename the directories that you downloaded (they
-might be called "libpng-1.2.12" or "lpng109" and "zlib-1.2.1"
+might be called "libpng-1.2.13beta1" 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:
@@ -93,11 +93,11 @@
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
- gcc, creates libpng12.so.0.1.2.12)
+ gcc, creates libpng12.so.0.1.2.13beta1)
makefile.linux => Linux/ELF makefile
- (gcc, creates libpng12.so.0.1.2.12)
+ (gcc, creates libpng12.so.0.1.2.13beta1)
makefile.gcmmx => Linux/ELF makefile
- (gcc, creates libpng12.so.0.1.2.12,
+ (gcc, creates libpng12.so.0.1.2.13beta1,
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
@@ -120,12 +120,12 @@
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc,
- creates libpng12.so.0.1.2.12)
+ creates libpng12.so.0.1.2.13beta1)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile (gcc,
- creates libpng12.so.0.1.2.12)
+ creates libpng12.so.0.1.2.13beta1)
makefile.so9 => Solaris 9 makefile (gcc,
- creates libpng12.so.0.1.2.12)
+ creates libpng12.so.0.1.2.13beta1)
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 8db8bd2..90b47f5 100644
--- a/KNOWNBUG
+++ b/KNOWNBUG
@@ -1,5 +1,5 @@
-Known bugs in libpng version 1.2.12
+Known bugs in libpng version 1.2.13beta1
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 ef17df6..bd5d6d3 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 1.2.12, June 27, 2006, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.13beta1, October 2, 2006, are
Copyright (c) 2004, 2006 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
-June 27, 2006
+October 2, 2006
diff --git a/README b/README
index 1ca0469..3db8204 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.2.12 - June 27, 2006 (shared library 12.0)
+README for libpng version 1.2.13beta1 - October 2, 2006 (shared library 12.0)
See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng.
@@ -190,11 +190,11 @@
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 libpng12.so.0.1.2.12)
+ gcc, creates libpng12.so.0.1.2.13beta1)
makefile.linux => Linux/ELF makefile
- (gcc, creates libpng12.so.0.1.2.12)
+ (gcc, creates libpng12.so.0.1.2.13beta1)
makefile.gcmmx => Linux/ELF makefile
- (gcc, creates libpng12.so.0.1.2.12,
+ (gcc, creates libpng12.so.0.1.2.13beta1,
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
@@ -216,12 +216,12 @@
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics
- (gcc, creates libpng12.so.0.1.2.12)
+ (gcc, creates libpng12.so.0.1.2.13beta1)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile
- (gcc, creates libpng12.so.0.1.2.12)
+ (gcc, creates libpng12.so.0.1.2.13beta1)
makefile.so9 => Solaris 9 makefile
- (gcc, creates libpng12.so.0.1.2.12)
+ (gcc, creates libpng12.so.0.1.2.13beta1)
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/Y2KINFO b/Y2KINFO
index 46fd481..5601e67 100644
--- a/Y2KINFO
+++ b/Y2KINFO
@@ -1,13 +1,13 @@
Y2K compliance in libpng:
=========================
- June 27, 2006
+ October 2, 2006
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 1.2.12 are Y2K compliant. It is my belief that earlier
+ upward through 1.2.13beta1 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
diff --git a/configure b/configure
index e8547f9..c299cac 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.59 for libpng 1.2.12.
+# Generated by GNU Autoconf 2.59 for libpng 1.2.13beta1.
#
# Report bugs to <png-mng-implement@lists.sourceforge.net>.
#
@@ -423,8 +423,8 @@
# Identity of this package.
PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng'
-PACKAGE_VERSION='1.2.12'
-PACKAGE_STRING='libpng 1.2.12'
+PACKAGE_VERSION='1.2.13beta1'
+PACKAGE_STRING='libpng 1.2.13beta1'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
ac_unique_file="pngget.c"
@@ -954,7 +954,7 @@
# Omit some internal or obsolete options to make the list less imposing.
# This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF
-\`configure' configures libpng 1.2.12 to adapt to many kinds of systems.
+\`configure' configures libpng 1.2.13beta1 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
@@ -1020,7 +1020,7 @@
if test -n "$ac_init_help"; then
case $ac_init_help in
- short | recursive ) echo "Configuration of libpng 1.2.12:";;
+ short | recursive ) echo "Configuration of libpng 1.2.13beta1:";;
esac
cat <<\_ACEOF
@@ -1167,7 +1167,7 @@
test -n "$ac_init_help" && exit 0
if $ac_init_version; then
cat <<\_ACEOF
-libpng configure 1.2.12
+libpng configure 1.2.13beta1
generated by GNU Autoconf 2.59
Copyright (C) 2003 Free Software Foundation, Inc.
@@ -1181,7 +1181,7 @@
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
-It was created by libpng $as_me 1.2.12, which was
+It was created by libpng $as_me 1.2.13beta1, which was
generated by GNU Autoconf 2.59. Invocation command line was
$ $0 $@
@@ -1824,7 +1824,7 @@
# Define the identity of the package.
PACKAGE='libpng'
- VERSION='1.2.12'
+ VERSION='1.2.13beta1'
cat >>confdefs.h <<_ACEOF
@@ -1979,9 +1979,9 @@
-PNGLIB_VERSION=1.2.12
+PNGLIB_VERSION=1.2.13beta1
PNGLIB_MAJOR=12
-PNGLIB_MINOR=12
+PNGLIB_MINOR=13
@@ -19451,86 +19451,6 @@
done
-echo "$as_me:$LINENO: checking for GNU libc compatible malloc" >&5
-echo $ECHO_N "checking for GNU libc compatible malloc... $ECHO_C" >&6
-if test "${ac_cv_func_malloc_0_nonnull+set}" = set; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- if test "$cross_compiling" = yes; then
- ac_cv_func_malloc_0_nonnull=no
-else
- cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h. */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h. */
-#if STDC_HEADERS || HAVE_STDLIB_H
-# include <stdlib.h>
-#else
-char *malloc ();
-#endif
-
-int
-main ()
-{
-exit (malloc (0) ? 0 : 1);
- ;
- return 0;
-}
-_ACEOF
-rm -f conftest$ac_exeext
-if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
- (eval $ac_link) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
- { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); }; }; then
- ac_cv_func_malloc_0_nonnull=yes
-else
- echo "$as_me: program exited with status $ac_status" >&5
-echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-ac_cv_func_malloc_0_nonnull=no
-fi
-rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
-fi
-fi
-echo "$as_me:$LINENO: result: $ac_cv_func_malloc_0_nonnull" >&5
-echo "${ECHO_T}$ac_cv_func_malloc_0_nonnull" >&6
-if test $ac_cv_func_malloc_0_nonnull = yes; then
-
-cat >>confdefs.h <<\_ACEOF
-#define HAVE_MALLOC 1
-_ACEOF
-
-else
- cat >>confdefs.h <<\_ACEOF
-#define HAVE_MALLOC 0
-_ACEOF
-
- case $LIBOBJS in
- "malloc.$ac_objext" | \
- *" malloc.$ac_objext" | \
- "malloc.$ac_objext "* | \
- *" malloc.$ac_objext "* ) ;;
- *) LIBOBJS="$LIBOBJS malloc.$ac_objext" ;;
-esac
-
-
-cat >>confdefs.h <<\_ACEOF
-#define malloc rpl_malloc
-_ACEOF
-
-fi
-
-
echo "$as_me:$LINENO: checking for working strtod" >&5
echo $ECHO_N "checking for working strtod... $ECHO_C" >&6
@@ -20681,7 +20601,7 @@
} >&5
cat >&5 <<_CSEOF
-This file was extended by libpng $as_me 1.2.12, which was
+This file was extended by libpng $as_me 1.2.13beta1, which was
generated by GNU Autoconf 2.59. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
@@ -20744,7 +20664,7 @@
cat >>$CONFIG_STATUS <<_ACEOF
ac_cs_version="\\
-libpng config.status 1.2.12
+libpng config.status 1.2.13beta1
configured by $0, generated by GNU Autoconf 2.59,
with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
diff --git a/configure.ac b/configure.ac
index bb34c28..58c71c4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,14 +18,14 @@
dnl Version number stuff here:
-AC_INIT([libpng], [1.2.12], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.2.13beta1], [png-mng-implement@lists.sourceforge.net])
AM_INIT_AUTOMAKE
dnl stop configure from automagically running automake
AM_MAINTAINER_MODE
-PNGLIB_VERSION=1.2.12
+PNGLIB_VERSION=1.2.13beta1
PNGLIB_MAJOR=12
-PNGLIB_MINOR=12
+PNGLIB_MINOR=13
dnl End of version number stuff
@@ -52,7 +52,6 @@
AC_STRUCT_TM
# Checks for library functions.
-AC_FUNC_MALLOC
AC_FUNC_STRTOD
AC_CHECK_FUNCS([memset], , AC_ERROR([memset not found in libc]))
AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_ERROR([cannot find pow])) )
diff --git a/libpng.3 b/libpng.3
index 8ee76d6..8a82cf2 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,6 +1,6 @@
-.TH LIBPNG 3 "June 27, 2006"
+.TH LIBPNG 3 "October 2, 2006"
.SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.12
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.13beta1
.SH SYNOPSIS
\fI\fB
@@ -821,7 +821,7 @@
.SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng
- libpng version 1.2.12 - June 27, 2006
+ libpng version 1.2.13beta1 - October 2, 2006
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -1213,7 +1213,7 @@
png_read_png(png_ptr, info_ptr, png_transforms, NULL)
-where png_transforms is an integer containing the logical OR of
+where png_transforms is an integer containing the bitwise OR of
some set of transformation flags. This call is equivalent to png_read_info(),
followed the set of transformations indicated by the transform mask,
then png_read_image(), and finally png_read_end().
@@ -2093,7 +2093,7 @@
png_free_data(png_ptr, info_ptr, mask, seq)
mask - identifies data to be freed, a mask
- containing the logical OR of one or
+ containing the bitwise OR of one or
more of
PNG_FREE_PLTE, PNG_FREE_TRNS,
PNG_FREE_HIST, PNG_FREE_ICCP,
@@ -2155,7 +2155,7 @@
png_set_invalid(png_ptr, info_ptr, mask);
mask - identifies the chunks to be made invalid,
- containing the logical OR of one or
+ containing the bitwise OR of one or
more of
PNG_INFO_gAMA, PNG_INFO_sBIT,
PNG_INFO_cHRM, PNG_INFO_PLTE,
@@ -2467,7 +2467,7 @@
/* turn on or off filtering, and/or choose
specific filters. You can use either a single
- PNG_FILTER_VALUE_NAME or the logical OR of one
+ PNG_FILTER_VALUE_NAME or the bitwise OR of one
or more PNG_FILTER_NAME masks. */
png_set_filter(png_ptr, 0,
PNG_FILTER_NONE | PNG_FILTER_VALUE_NONE |
@@ -2840,7 +2840,7 @@
png_write_png(png_ptr, info_ptr, png_transforms, NULL)
-where png_transforms is an integer containing the logical OR of some set of
+where png_transforms is an integer containing the bitwise OR of some set of
transformation flags. This call is equivalent to png_write_info(),
followed the set of transformations indicated by the transform mask,
then png_write_image(), and finally png_write_end().
@@ -3100,7 +3100,7 @@
png_free_data(png_ptr, info_ptr, mask, seq)
mask - identifies data to be freed, a mask
- containing the logical OR of one or
+ containing the bitwise OR of one or
more of
PNG_FREE_PLTE, PNG_FREE_TRNS,
PNG_FREE_HIST, PNG_FREE_ICCP,
@@ -3670,12 +3670,12 @@
png_permit_mng_features() function:
feature_set = png_permit_mng_features(png_ptr, mask)
- mask is a png_uint_32 containing the logical OR of the
+ mask is a png_uint_32 containing the bitwise OR of the
features you want to enable. These include
PNG_FLAG_MNG_EMPTY_PLTE
PNG_FLAG_MNG_FILTER_64
PNG_ALL_MNG_FEATURES
- feature_set is a png_uint_32 that is the logical AND of
+ feature_set is a png_uint_32 that is the bitwise AND of
your mask with the set of MNG features that is
supported by the version of libpng that you are using.
@@ -3738,13 +3738,13 @@
.SH IX. Y2K Compliance in libpng
-June 27, 2006
+October 2, 2006
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 1.2.12 are Y2K compliant. It is my belief that earlier
+upward through 1.2.13beta1 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
@@ -3966,7 +3966,7 @@
Thanks to Frank J. T. Wojcik for helping with the documentation.
-Libpng version 1.2.12 - June 27, 2006:
+Libpng version 1.2.13beta1 - October 2, 2006:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@@ -3987,7 +3987,7 @@
If you modify libpng you may insert additional notices immediately following
this sentence.
-libpng versions 1.2.6, August 15, 2004, through 1.2.12, June 27, 2006, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.13beta1, October 2, 2006, are
Copyright (c) 2004-2006 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
@@ -4086,7 +4086,7 @@
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-June 27, 2006
+October 2, 2006
.\" end of man page
diff --git a/libpng.txt b/libpng.txt
index 25a276b..785d074 100644
--- a/libpng.txt
+++ b/libpng.txt
@@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng
- libpng version 1.2.12 - June 27, 2006
+ libpng version 1.2.13beta1 - October 2, 2006
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -392,7 +392,7 @@
png_read_png(png_ptr, info_ptr, png_transforms, NULL)
-where png_transforms is an integer containing the logical OR of
+where png_transforms is an integer containing the bitwise OR of
some set of transformation flags. This call is equivalent to png_read_info(),
followed the set of transformations indicated by the transform mask,
then png_read_image(), and finally png_read_end().
@@ -1272,7 +1272,7 @@
png_free_data(png_ptr, info_ptr, mask, seq)
mask - identifies data to be freed, a mask
- containing the logical OR of one or
+ containing the bitwise OR of one or
more of
PNG_FREE_PLTE, PNG_FREE_TRNS,
PNG_FREE_HIST, PNG_FREE_ICCP,
@@ -1334,7 +1334,7 @@
png_set_invalid(png_ptr, info_ptr, mask);
mask - identifies the chunks to be made invalid,
- containing the logical OR of one or
+ containing the bitwise OR of one or
more of
PNG_INFO_gAMA, PNG_INFO_sBIT,
PNG_INFO_cHRM, PNG_INFO_PLTE,
@@ -1646,7 +1646,7 @@
/* turn on or off filtering, and/or choose
specific filters. You can use either a single
- PNG_FILTER_VALUE_NAME or the logical OR of one
+ PNG_FILTER_VALUE_NAME or the bitwise OR of one
or more PNG_FILTER_NAME masks. */
png_set_filter(png_ptr, 0,
PNG_FILTER_NONE | PNG_FILTER_VALUE_NONE |
@@ -2019,7 +2019,7 @@
png_write_png(png_ptr, info_ptr, png_transforms, NULL)
-where png_transforms is an integer containing the logical OR of some set of
+where png_transforms is an integer containing the bitwise OR of some set of
transformation flags. This call is equivalent to png_write_info(),
followed the set of transformations indicated by the transform mask,
then png_write_image(), and finally png_write_end().
@@ -2279,7 +2279,7 @@
png_free_data(png_ptr, info_ptr, mask, seq)
mask - identifies data to be freed, a mask
- containing the logical OR of one or
+ containing the bitwise OR of one or
more of
PNG_FREE_PLTE, PNG_FREE_TRNS,
PNG_FREE_HIST, PNG_FREE_ICCP,
@@ -2849,12 +2849,12 @@
png_permit_mng_features() function:
feature_set = png_permit_mng_features(png_ptr, mask)
- mask is a png_uint_32 containing the logical OR of the
+ mask is a png_uint_32 containing the bitwise OR of the
features you want to enable. These include
PNG_FLAG_MNG_EMPTY_PLTE
PNG_FLAG_MNG_FILTER_64
PNG_ALL_MNG_FEATURES
- feature_set is a png_uint_32 that is the logical AND of
+ feature_set is a png_uint_32 that is the bitwise AND of
your mask with the set of MNG features that is
supported by the version of libpng that you are using.
@@ -2917,13 +2917,13 @@
IX. Y2K Compliance in libpng
-June 27, 2006
+October 2, 2006
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 1.2.12 are Y2K compliant. It is my belief that earlier
+upward through 1.2.13beta1 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/libpngpf.3 b/libpngpf.3
index 46ff40c..12e9cc5 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,6 +1,6 @@
-.TH LIBPNGPF 3 "June 27, 2006"
+.TH LIBPNGPF 3 "October 2, 2006"
.SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.2.12
+libpng \- Portable Network Graphics (PNG) Reference Library 1.2.13beta1
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP
diff --git a/png.5 b/png.5
index a908750..0936757 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "June 27, 2006"
+.TH PNG 5 "October 2, 2006"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
diff --git a/png.c b/png.c
index 1118e3c..2e3ec21 100644
--- a/png.c
+++ b/png.c
@@ -13,7 +13,7 @@
#include "png.h"
/* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_12 Your_png_h_is_not_version_1_2_12;
+typedef version_1_2_13beta1 Your_png_h_is_not_version_1_2_13beta1;
/* Version information for C files. This had better match the version
* string defined in png.h. */
@@ -693,7 +693,7 @@
png_get_copyright(png_structp png_ptr)
{
if (&png_ptr != NULL) /* silence compiler warning about unused png_ptr */
- return ((png_charp) "\n libpng version 1.2.12 - June 27, 2006\n\
+ return ((png_charp) "\n libpng version 1.2.13beta1 - October 2, 2006\n\
Copyright (c) 1998-2006 Glenn Randers-Pehrson\n\
Copyright (c) 1996-1997 Andreas Dilger\n\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");
diff --git a/png.h b/png.h
index fd7ea88..007ebbc 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
- * libpng version 1.2.12 - June 27, 2006
+ * libpng version 1.2.13beta1 - October 2, 2006
* Copyright (c) 1998-2006 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 1.2.12 - June 27, 2006: Glenn
+ * libpng versions 0.97, January 1998, through 1.2.13beta1 - October 2, 2006: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -155,7 +155,7 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
- * libpng versions 1.2.6, August 15, 2004, through 1.2.12, June 27, 2006, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.13beta1, October 2, 2006, are
* Copyright (c) 2004, 2006 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:
@@ -267,13 +267,13 @@
* Y2K compliance in libpng:
* =========================
*
- * June 27, 2006
+ * October 2, 2006
*
* 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 1.2.12 are Y2K compliant. It is my belief that earlier
+ * upward through 1.2.13beta1 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
@@ -329,9 +329,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.2.12"
+#define PNG_LIBPNG_VER_STRING "1.2.13beta1"
#define PNG_HEADER_VERSION_STRING \
- " libpng version 1.2.12 - June 27, 2006 (header)\n"
+ " libpng version 1.2.13beta1 - October 2, 2006 (header)\n"
#define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM 13
@@ -339,11 +339,11 @@
/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
#define PNG_LIBPNG_VER_MAJOR 1
#define PNG_LIBPNG_VER_MINOR 2
-#define PNG_LIBPNG_VER_RELEASE 12
+#define PNG_LIBPNG_VER_RELEASE 13
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
-#define PNG_LIBPNG_VER_BUILD 0
+#define PNG_LIBPNG_VER_BUILD 1
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
@@ -360,14 +360,14 @@
#define PNG_LIBPNG_BUILD_SPECIAL 32 /* Cannot be OR'ed with
PNG_LIBPNG_BUILD_PRIVATE */
-#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_STABLE
+#define PNG_LIBPNG_BUILD_BASE_TYPE PNG_LIBPNG_BUILD_BETA
/* Careful here. At one time, Guy wanted to use 082, but that would be octal.
* We must not include leading zeros.
* Versions 0.7 through 1.0.0 were in the range 0 to 100 here (only
* version 1.0.0 was mis-numbered 100 instead of 10000). From
* version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release */
-#define PNG_LIBPNG_VER 10212 /* 1.2.12 */
+#define PNG_LIBPNG_VER 10213 /* 1.2.13 */
#ifndef PNG_VERSION_INFO_ONLY
/* include the compression library's header */
@@ -1373,7 +1373,7 @@
/* 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_2_12;
+typedef png_structp version_1_2_13beta1;
typedef png_struct FAR * FAR * png_structpp;
diff --git a/pngconf.h b/pngconf.h
index 389470e..fd3d0a0 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
- * libpng version 1.2.12 - June 27, 2006
+ * libpng version 1.2.13beta1 - October 2, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2005 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -726,6 +726,10 @@
# ifndef PNG_ASSEMBLER_CODE_SUPPORTED
# define PNG_ASSEMBLER_CODE_SUPPORTED
# endif
+# if defined(XP_MACOSX) && !defined(PNG_NO_MMX_CODE)
+ /* work around Intel-Mac compiler bug */
+# define PNG_NO_MMX_CODE
+# endif
# if !defined(PNG_MMX_CODE_SUPPORTED) && !defined(PNG_NO_MMX_CODE) && \
defined(__MMX__)
# define PNG_MMX_CODE_SUPPORTED
diff --git a/pngset.c b/pngset.c
index 9e499c9..4ed64b2 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1224,7 +1224,7 @@
}
/* we're replacing the settable bits with those passed in by the user,
- * so first zero them out of the master copy, then logical-OR in the
+ * so first zero them out of the master copy, then bitwise-OR in the
* allowed subset that was requested */
png_ptr->asm_flags &= ~settable_asm_flags; /* zero them */
diff --git a/pngtest.c b/pngtest.c
index 924c6ba..e41b431 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -1549,4 +1549,4 @@
}
/* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_2_12 your_png_h_is_not_version_1_2_12;
+typedef version_1_2_13beta1 your_png_h_is_not_version_1_2_13beta1;
diff --git a/pngwutil.c b/pngwutil.c
index 4a9c52b..920c1e0 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
- * Last changed in libpng 1.2.11 June 4, 2006
+ * Last changed in libpng 1.2.13 July 20, 2006
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -728,6 +728,7 @@
png_size_t name_len;
png_charp new_name;
compression_state comp;
+ int embedded_profile_len = 0;
png_debug(1, "in png_write_iCCP\n");
@@ -750,6 +751,24 @@
if (profile == NULL)
profile_len = 0;
+ if (profile_len > 3)
+ embedded_profile_len = ((*(profile ))<<24) | ((*(profile+1))<<16) |
+ ((*(profile+2))<< 8) | ((*(profile+3)) );
+
+ if (profile_len < embedded_profile_len)
+ {
+ png_warning(png_ptr,
+ "Embedded profile length too large in iCCP chunk");
+ return;
+ }
+
+ if (profile_len > embedded_profile_len)
+ {
+ png_warning(png_ptr,
+ "Truncating profile to actual length in iCCP chunk");
+ profile_len = embedded_profile_len;
+ }
+
if (profile_len)
profile_len = png_text_compress(png_ptr, profile, (png_size_t)profile_len,
PNG_COMPRESSION_TYPE_BASE, &comp);
diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in
index cc09ea4..b8c3155 100755
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -8,7 +8,7 @@
# Modeled after libxml-config.
-version=1.2.12
+version=1.2.13beta1
prefix=""
libdir=""
libs=""
diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in
index 769868f..6defe7d 100644
--- a/scripts/libpng.pc.in
+++ b/scripts/libpng.pc.in
@@ -5,6 +5,6 @@
Name: libpng
Description: Loads and saves PNG files
-Version: 1.2.12
+Version: 1.2.13beta1
Libs: -L${libdir} -lpng12
Cflags: -I${includedir}
diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu
index 20018c5..4c7be16 100644
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu
index 26e5498..3e376fa 100644
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.aix b/scripts/makefile.aix
index 813bffb..0727792 100644
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -20,7 +20,7 @@
LIBNAME=libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
prefix=/usr/local
diff --git a/scripts/makefile.beos b/scripts/makefile.beos
index c7da0ee..90718b0 100644
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin
index bb4da2d..8137c71 100644
--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -80,7 +80,7 @@
LIBNAME = libpng12
PNGMAJ = 0
CYGDLL = 12
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=cygpng$(CYGDLL).dll
diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin
index 0af25ab..6e6c413 100644
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -19,7 +19,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.dec b/scripts/makefile.dec
index bae661d..09b68d3 100644
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -5,7 +5,7 @@
# Library name:
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12
diff --git a/scripts/makefile.elf b/scripts/makefile.elf
index 300b3f5..fa0cd50 100644
--- a/scripts/makefile.elf
+++ b/scripts/makefile.elf
@@ -12,7 +12,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx
index cc2006d..4e34ec2 100644
--- a/scripts/makefile.gcmmx
+++ b/scripts/makefile.gcmmx
@@ -16,7 +16,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64
index f1a3526..413dfc6 100644
--- a/scripts/makefile.hp64
+++ b/scripts/makefile.hp64
@@ -18,7 +18,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc
index 7a5bdb9..7ed021d 100644
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux
index fe1e016..191b90f 100644
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -18,7 +18,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index e2a1e31..f4e39c7 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -6,7 +6,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw
index a921405..0cac2ba 100644
--- a/scripts/makefile.mingw
+++ b/scripts/makefile.mingw
@@ -76,7 +76,7 @@
LIBNAME = libpng12
PNGMAJ = 0
MINGDLL = 12
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=libpng$(MINGDLL).dll
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index c9ac1b7..90830eb 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -13,7 +13,7 @@
LIB= png12
SHLIB_MAJOR= 0
-SHLIB_MINOR= 1.2.12
+SHLIB_MINOR= 1.2.13beta1
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 f08b989..b303ede 100644
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -13,7 +13,7 @@
LIB= png
SHLIB_MAJOR= 3
-SHLIB_MINOR= 1.2.12
+SHLIB_MINOR= 1.2.13beta1
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.openbsd b/scripts/makefile.openbsd
index d5d7de4..df38974 100644
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -7,7 +7,7 @@
MANDIR= ${PREFIX}/man/cat
SHLIB_MAJOR= 0
-SHLIB_MINOR= 1.2.12
+SHLIB_MINOR= 1.2.13beta1
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 c71543a..1413663 100644
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -9,7 +9,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc
index 9bc8234..e364b24 100644
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -6,7 +6,7 @@
# Library name:
LIBNAME=libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi
index 5fa80f1..8923ee8 100644
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -6,7 +6,7 @@
# Library name:
LIBNAME=libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.so9 b/scripts/makefile.so9
index 580e7a5..4bcf845 100644
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -8,7 +8,7 @@
# Library name:
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12
diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris
index 8ed5307..9cd46f2 100644
--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng12
PNGMAJ = 0
-PNGMIN = 1.2.12
+PNGMIN = 1.2.13beta1
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/pngos2.def b/scripts/pngos2.def
index feab14d..fdaa4f1 100644
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2
;----------------------------------------
-; Version 1.2.12
+; Version 1.2.13beta1
LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2"
diff --git a/scripts/pngw32.def b/scripts/pngw32.def
index 5b10e57..24a52b4 100644
--- a/scripts/pngw32.def
+++ b/scripts/pngw32.def
@@ -5,7 +5,7 @@
LIBRARY
EXPORTS
-;Version 1.2.12
+;Version 1.2.13beta1
png_build_grayscale_palette @1
png_check_sig @2
png_chunk_error @3
