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authorGlenn Randers-Pehrson <glennrp at users.sourceforge.net>2006-06-16 07:52:03 -0500
committerGlenn Randers-Pehrson <glennrp at users.sourceforge.net>2009-04-06 16:09:25 -0500
commit6bc53be992d6adbd7bcc94947c3096d4860e3a35 (patch)
tree13327bca4d7223caa99fe68b3a84c20fa7aad415
parentf46918d12990950d6d1fb1e9bd21b9f694cc4592 (diff)
downloadlibpng-6bc53be992d6adbd7bcc94947c3096d4860e3a35.tar.gz
Imported from libpng-1.4.0beta7.tarv1.4.0beta7
-rw-r--r--ANNOUNCE76
-rw-r--r--CHANGES55
-rw-r--r--INSTALL28
-rw-r--r--KNOWNBUG2
-rw-r--r--LICENSE4
-rw-r--r--README14
-rw-r--r--Y2KINFO4
-rwxr-xr-xautogen.sh1
-rwxr-xr-xconfigure22
-rw-r--r--configure.ac4
-rw-r--r--contrib/pngminus/png2pnm.sh1
-rw-r--r--contrib/pngminus/pngminus.sh1
-rw-r--r--contrib/pngminus/pnm2png.sh1
-rw-r--r--libpng.3459
-rw-r--r--libpng.txt6
-rw-r--r--libpngpf.3510
-rw-r--r--ltmain.sh1
-rw-r--r--png.52
-rw-r--r--png.c4
-rw-r--r--png.h59
-rw-r--r--pngconf.h22
-rw-r--r--pngerror.c22
-rw-r--r--pngintrn.h12
-rw-r--r--pngpread.c19
-rw-r--r--pngread.c22
-rw-r--r--pngrtran.c8
-rw-r--r--pngrutil.c72
-rw-r--r--pngset.c25
-rw-r--r--pngtest.c26
-rw-r--r--pngtest.pngbin8574 -> 8624 bytes
-rw-r--r--pngwrite.c6
-rw-r--r--pngwutil.c92
-rwxr-xr-xscripts/libpng-config-head.in2
-rw-r--r--scripts/libpng.pc.in2
-rw-r--r--scripts/makefile.32sunu2
-rw-r--r--scripts/makefile.64sunu2
-rw-r--r--scripts/makefile.aix2
-rw-r--r--scripts/makefile.beos4
-rw-r--r--scripts/makefile.cygwin2
-rw-r--r--scripts/makefile.darwin2
-rw-r--r--scripts/makefile.dec2
-rw-r--r--scripts/makefile.elf4
-rw-r--r--scripts/makefile.gcmmx4
-rw-r--r--scripts/makefile.hp642
-rw-r--r--scripts/makefile.hpgcc4
-rw-r--r--scripts/makefile.hpux2
-rw-r--r--scripts/makefile.linux4
-rw-r--r--scripts/makefile.mingw2
-rw-r--r--scripts/makefile.ne12bsd2
-rw-r--r--scripts/makefile.netbsd2
-rw-r--r--scripts/makefile.openbsd2
-rw-r--r--scripts/makefile.sco2
-rw-r--r--scripts/makefile.sggcc2
-rw-r--r--scripts/makefile.sgi2
-rw-r--r--scripts/makefile.so92
-rw-r--r--scripts/makefile.solaris2
-rw-r--r--scripts/pngos2.def3
-rw-r--r--scripts/pngw32.def7
58 files changed, 1384 insertions, 264 deletions
diff --git a/ANNOUNCE b/ANNOUNCE
index 840ae5e2c..754dd65b9 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
-Libpng 1.4.0beta6 - June 2, 2006
+Libpng 1.4.0beta7 - June 16, 2006
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.
@@ -9,34 +9,34 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
- 1.4.0beta6.tar.gz
- 1.4.0beta6.tar.bz2
+ 1.4.0beta7.tar.gz
+ 1.4.0beta7.tar.bz2
Source files with LF line endings (for Unix/Linux) without the
"configure" script
- 1.4.0beta6-no-config.tar.gz
- 1.4.0beta6-no-config.tar.bz2
+ 1.4.0beta7-no-config.tar.gz
+ 1.4.0beta7-no-config.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
- lp140b06.zip
- lp140b06.tar.bz2
+ lp140b07.zip
+ lp140b07.tar.bz2
Project files
- 1.4.0beta6-project-netware.zip
- 1.4.0beta6-project-wince.zip
+ 1.4.0beta7-project-netware.zip
+ 1.4.0beta7-project-wince.zip
Other information:
- 1.4.0beta6-README.txt
- 1.4.0beta6-KNOWNBUGS.txt
- 1.4.0beta6-LICENSE.txt
- 1.4.0beta6-Y2K-compliance.txt
+ 1.4.0beta7-README.txt
+ 1.4.0beta7-KNOWNBUGS.txt
+ 1.4.0beta7-LICENSE.txt
+ 1.4.0beta7-Y2K-compliance.txt
-Changes since the last public release (1.2.9):
+Changes since the last public release (1.2.10):
version 1.2.10beta1 [April 15, 2006]
Renamed "config.h" to "png_conf.h" and revised Makefile.am to add
@@ -95,11 +95,15 @@ version 1.4.0beta2 [April 20, 2006]
Updated scripts/pngos2.def, pngw32.def, and projects/wince/png32ce.def
Updated scripts/pngw32.def to comment out MMX functions.
+version 1.2.11beta1 [May 31, 2006]
+ scripts/libpng.pc.in contained "configure" style version info and would
+ not work with makefiles.
+ The shared-library makefiles were linking to libpng.so.0 instead of
+ libpng.so.3 compatibility as the library.
+
version 1.4.0beta3 [May 10, 2006]
Updated scripts/pngw32.def to comment out MMX functions.
Added PNG_NO_GET_INT_32 and PNG_NO_SAVE_INT_32 macros.
- Scripts/libpng.pc.in contained "configure" style version info and would
- not work with makefiles.
Revised pngconf.h and added pngconf.h.in so makefiles and configure can
pass defines to libpng and applications.
@@ -107,10 +111,48 @@ version 1.4.0beta4 [May 11, 2006]
Revised configure.ac, Makefile.am, and many of the makefiles to write
their defines in pngconf.h.
-version 1.4.0beta5 [June 2, 2006]
+version 1.4.0beta5 [June 16, 2006]
Added a missing semicolon in Makefile.am and Makefile.in
Deleted extraneous square brackets from configure.ac
+version 1.2.11beta2 [June 2, 2006]
+ Increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
+ buffer overflow.
+ Fixed bug in example.c (png_set_palette_rgb -> png_set_palette_to_rgb))
+
+version 1.4.0beta6 [June 2, 2006]
+ Changed sonum from 0 to 1.
+ Removed unused prototype for png_check_sig() from png.h
+
+version 1.2.11beta3 [June 5, 2006]
+ Prepended "#! /bin/sh" to ltmail.sh and contrib/pngminus/*.sh (Cosmin).
+ Removed the accidental leftover Makefile.in~ (Cosmin).
+ Avoided potential buffer overflow and optimized buffer in
+ png_write_sCAL(), png_write_sCAL_s() (Cosmin).
+ Removed the include directories and libraries from CFLAGS and LDFLAGS
+ in scripts/makefile.gcc (Nelson A. de Oliveira, Cosmin).
+
+version 1.2.11beta4 [June 6, 2006]
+ Allow zero-length IDAT chunks after the entire zlib datastream, but not
+ after another intervening chunk type.
+
+version 1.2.11rc2 [June 14, 2006]
+ Added prototypes for PNG_INCH_CONVERSIONS functions to png.h
+ Revised INSTALL and autogen.sh
+ Fixed typo in several makefiles (-W1 should be -Wl)
+
+version 1.2.11rc3 [June 16, 2006]
+ Added one zero element to png_gamma_shift[] array in pngrtran.c to avoid
+ reading out of bounds.
+
+version 1.4.0beta7 [June 16, 2006]
+ Exported png_write_sig (Cosmin).
+ Optimized buffer in png_handle_cHRM() (Cosmin).
+ Set pHYs = 2835 x 2835 pixels per meter, and added
+ sCAL = 0.352778e-3 x 0.352778e-3 meters, in pngtest.png (Cosmin).
+ Added png_set_benign_errors(), png_benign_error(), png_chunk_benign_error().
+ Added typedef for png_int_32 and png_uint_32 on 64-bit systems.
+
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 580402dbd..ae8c73956 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1564,17 +1564,6 @@ version 1.2.10rc3 [April 20, 2006]
version 1.2.10 [April 23, 2006]
Reverted configure to "rc2" state.
-version 1.2.11beta1 [May 31, 2006]
- scripts/libpng.pc.in contained "configure" style version info and would
- not work with makefiles.
- The shared-library makefiles were linking to libpng.so.0 instead of
- libpng.so.3 compatibility as the library.
-
-version 1.2.11beta2 [June 2, 2006]
- Increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
- buffer overflow.
- Fixed bug in example.c (png_set_palette_rgb -> png_set_palette_to_rgb))
-
version 1.4.0beta1 [April 20, 2006]
Enabled iTXt support (changes png_struct, thus requires so-number change).
Cleaned up PNG_ASSEMBLER_CODE_SUPPORTED vs PNG_MMX_CODE_SUPPORTED
@@ -1608,12 +1597,56 @@ version 1.4.0beta5 [May 31, 2006]
Added a missing semicolon in Makefile.am and Makefile.in
Deleted extraneous square brackets from configure.ac
+version 1.2.11beta1 [May 31, 2006]
+ scripts/libpng.pc.in contained "configure" style version info and would
+ not work with makefiles.
+ The shared-library makefiles were linking to libpng.so.0 instead of
+ libpng.so.3 compatibility as the library.
+
+version 1.2.11beta2 [June 2, 2006]
+ Increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
+ buffer overflow.
+ Fixed bug in example.c (png_set_palette_rgb -> png_set_palette_to_rgb)
+
version 1.4.0beta6 [June 2, 2006]
Increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
buffer overflow.
Changed sonum from 0 to 1.
Removed unused prototype for png_check_sig() from png.h
+version 1.2.11beta3 [June 5, 2006]
+ Prepended "#! /bin/sh" to ltmail.sh and contrib/pngminus/*.sh (Cosmin).
+ Removed the accidental leftover Makefile.in~ (Cosmin).
+ Avoided potential buffer overflow and optimized buffer in
+ png_write_sCAL(), png_write_sCAL_s() (Cosmin).
+ Removed the include directories and libraries from CFLAGS and LDFLAGS
+ in scripts/makefile.gcc (Nelson A. de Oliveira, Cosmin).
+
+version 1.2.11beta4 [June 6, 2006]
+ Allow zero-length IDAT chunks after the entire zlib datastream, but not
+ after another intervening chunk type.
+
+version 1.2.11rc1 [June 13, 2006]
+ Deleted extraneous square brackets from [config.h] in configure.ac
+
+version 1.2.11rc2 [June 14, 2006]
+ Added prototypes for PNG_INCH_CONVERSIONS functions to png.h
+ Revised INSTALL and autogen.sh
+ Fixed typo in several makefiles (-W1 should be -Wl)
+
+version 1.2.11rc3 [June 16, 2006]
+ Added one zero element to png_gamma_shift[] array in pngrtran.c to avoid
+ reading out of bounds.
+
+version 1.4.0beta7 [June 16, 2006]
+ Exported png_write_sig (Cosmin).
+ Optimized buffer in png_handle_cHRM() (Cosmin).
+ Set pHYs = 2835 x 2835 pixels per meter, and added
+ sCAL = 0.352778e-3 x 0.352778e-3 meters, in pngtest.png (Cosmin).
+ Added png_set_benign_errors(), png_benign_error(), png_chunk_benign_error().
+ Added typedef for png_int_32 and png_uint_32 on 64-bit systems.
+ Added "(unsigned long)" typecast on png_uint_32 variables in printf lists.
+
version 1.4.0betaN [future]
Cleaned up error and warning messages.
Implemented sTER chunk.
diff --git a/INSTALL b/INSTALL
index 3c0bd48c5..88475507e 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,16 +1,24 @@
-Installing libpng version 1.4.0beta6 - June 2, 2006
+Installing libpng version 1.4.0beta7 - June 16, 2006
On Unix/Linux and similar systems, you can simply type
- ./autogen.sh
./configure [--prefix=$HOME]
make check
make install
and ignore the rest of this document.
-Or you can use one of the custom-built makefiles in the
+If configure does not work on your system and you have a reasonably
+up-to-date set of tools, running ./autogen.sh before running ./configure
+may fix the problem. You can also run the individual commands in
+autogen.sh with the --force option, if supported by your version of
+the tools. If you run 'libtoolize --force', though, this will replace
+the distributed, patched, version of ltmain.sh with an unpatched version
+and your shared library builds may fail to produce libraries with the
+correct version numbers.
+
+Instead, you can use one of the custom-built makefiles in the
"scripts" directory
cp scripts/makefile.system makefile
@@ -29,7 +37,7 @@ to have access to the zlib.h and zconf.h include files that
correspond to the version of zlib that's installed.
You can rename the directories that you downloaded (they
-might be called "libpng-1.4.0beta6" or "lpng109" and "zlib-1.2.1"
+might be called "libpng-1.4.0beta7" 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:
@@ -85,11 +93,11 @@ include
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
- gcc, creates libpng14.so.1.1.4.0beta6)
+ gcc, creates libpng14.so.1.1.4.0beta7)
makefile.linux => Linux/ELF makefile
- (gcc, creates libpng14.so.1.1.4.0beta6)
+ (gcc, creates libpng14.so.1.1.4.0beta7)
makefile.gcmmx => Linux/ELF makefile
- (gcc, creates libpng14.so.1.1.4.0beta6,
+ (gcc, creates libpng14.so.1.1.4.0beta7,
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
@@ -112,12 +120,12 @@ include
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc,
- creates libpng14.so.1.1.4.0beta6)
+ creates libpng14.so.1.1.4.0beta7)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile (gcc,
- creates libpng14.so.1.1.4.0beta6)
+ creates libpng14.so.1.1.4.0beta7)
makefile.so9 => Solaris 9 makefile (gcc,
- creates libpng14.so.1.1.4.0beta6)
+ creates libpng14.so.1.1.4.0beta7)
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 4ddd946e9..a74ec0491 100644
--- a/KNOWNBUG
+++ b/KNOWNBUG
@@ -1,5 +1,5 @@
-Known bugs in libpng version 1.4.0beta6
+Known bugs in libpng version 1.4.0beta7
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 99a5dbba1..abc055865 100644
--- a/LICENSE
+++ b/LICENSE
@@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
If you modify libpng you may insert additional notices immediately following
this sentence.
-libpng versions 1.2.6, August 15, 2004, through 1.4.0beta6, June 2, 2006, are
+libpng versions 1.2.6, August 15, 2004, through 1.4.0beta7, June 16, 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 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-June 2, 2006
+June 16, 2006
diff --git a/README b/README
index e7aa1b066..beacdafbc 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.4.0beta6 - June 2, 2006 (shared library 14.0)
+README for libpng version 1.4.0beta7 - June 16, 2006 (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.
@@ -190,11 +190,11 @@ Files in this distribution:
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.1.1.4.0beta6)
+ gcc, creates libpng14.so.1.1.4.0beta7)
makefile.linux => Linux/ELF makefile
- (gcc, creates libpng14.so.1.1.4.0beta6)
+ (gcc, creates libpng14.so.1.1.4.0beta7)
makefile.gcmmx => Linux/ELF makefile
- (gcc, creates libpng14.so.1.1.4.0beta6,
+ (gcc, creates libpng14.so.1.1.4.0beta7,
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 @@ Files in this distribution:
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics
- (gcc, creates libpng14.so.1.1.4.0beta6)
+ (gcc, creates libpng14.so.1.1.4.0beta7)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile
- (gcc, creates libpng14.so.1.1.4.0beta6)
+ (gcc, creates libpng14.so.1.1.4.0beta7)
makefile.so9 => Solaris 9 makefile
- (gcc, creates libpng14.so.1.1.4.0beta6)
+ (gcc, creates libpng14.so.1.1.4.0beta7)
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 27c80bdb9..4249eacb1 100644
--- a/Y2KINFO
+++ b/Y2KINFO
@@ -1,13 +1,13 @@
Y2K compliance in libpng:
=========================
- June 2, 2006
+ June 16, 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 1.4.0beta6 are Y2K compliant. It is my belief that earlier
+ upward through 1.4.0beta7 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/autogen.sh b/autogen.sh
index 98b966a04..c9e67ccf9 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -4,6 +4,7 @@
#
# WARNING: if you run this you will change the versions
# of the tools which are used and, maybe, required!
+ touch Makefile.am configure.ac
{
echo "running libtoolize" >&2
libtoolize --copy --automake
diff --git a/configure b/configure
index 20b686860..1701a0712 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 1.4.0beta6.
+# Generated by GNU Autoconf 2.59 for libpng 1.4.0beta7.
#
# Report bugs to <png-mng-implement@lists.sourceforge.net>.
#
@@ -423,8 +423,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
# Identity of this package.
PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng'
-PACKAGE_VERSION='1.4.0beta6'
-PACKAGE_STRING='libpng 1.4.0beta6'
+PACKAGE_VERSION='1.4.0beta7'
+PACKAGE_STRING='libpng 1.4.0beta7'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
ac_unique_file="pngget.c"
@@ -954,7 +954,7 @@ if test "$ac_init_help" = "long"; then
# Omit some internal or obsolete options to make the list less imposing.
# This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF
-\`configure' configures libpng 1.4.0beta6 to adapt to many kinds of systems.
+\`configure' configures libpng 1.4.0beta7 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
@@ -1020,7 +1020,7 @@ fi
if test -n "$ac_init_help"; then
case $ac_init_help in
- short | recursive ) echo "Configuration of libpng 1.4.0beta6:";;
+ short | recursive ) echo "Configuration of libpng 1.4.0beta7:";;
esac
cat <<\_ACEOF
@@ -1167,7 +1167,7 @@ fi
test -n "$ac_init_help" && exit 0
if $ac_init_version; then
cat <<\_ACEOF
-libpng configure 1.4.0beta6
+libpng configure 1.4.0beta7
generated by GNU Autoconf 2.59
Copyright (C) 2003 Free Software Foundation, Inc.
@@ -1181,7 +1181,7 @@ cat >&5 <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
-It was created by libpng $as_me 1.4.0beta6, which was
+It was created by libpng $as_me 1.4.0beta7, which was
generated by GNU Autoconf 2.59. Invocation command line was
$ $0 $@
@@ -1824,7 +1824,7 @@ fi
# Define the identity of the package.
PACKAGE='libpng'
- VERSION='1.4.0beta6'
+ VERSION='1.4.0beta7'
cat >>confdefs.h <<_ACEOF
@@ -1979,7 +1979,7 @@ fi
-PNGLIB_VERSION=1.4.0beta6
+PNGLIB_VERSION=1.4.0beta7
PNGLIB_MAJOR=14
PNGLIB_MINOR=0
@@ -20683,7 +20683,7 @@ _ASBOX
} >&5
cat >&5 <<_CSEOF
-This file was extended by libpng $as_me 1.4.0beta6, which was
+This file was extended by libpng $as_me 1.4.0beta7, which was
generated by GNU Autoconf 2.59. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
@@ -20746,7 +20746,7 @@ _ACEOF
cat >>$CONFIG_STATUS <<_ACEOF
ac_cs_version="\\
-libpng config.status 1.4.0beta6
+libpng config.status 1.4.0beta7
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 cf502af6a..efa47aa57 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,12 +18,12 @@ AC_PREREQ(2.59)
dnl Version number stuff here:
-AC_INIT([libpng], [1.4.0beta6], [png-mng-implement@lists.sourceforge.net])
+AC_INIT([libpng], [1.4.0beta7], [png-mng-implement@lists.sourceforge.net])
AM_INIT_AUTOMAKE
dnl stop configure from automagically running automake
AM_MAINTAINER_MODE
-PNGLIB_VERSION=1.4.0beta6
+PNGLIB_VERSION=1.4.0beta7
PNGLIB_MAJOR=14
PNGLIB_MINOR=0
diff --git a/contrib/pngminus/png2pnm.sh b/contrib/pngminus/png2pnm.sh
index 854313bad..b1c05370d 100644
--- a/contrib/pngminus/png2pnm.sh
+++ b/contrib/pngminus/png2pnm.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
# -- grayscale
./png2pnm -noraw ../pngsuite/basn0g01.png basn0g01.pgm
./png2pnm -noraw ../pngsuite/basn0g02.png basn0g02.pgm
diff --git a/contrib/pngminus/pngminus.sh b/contrib/pngminus/pngminus.sh
index 6b2d8c5e4..2a0a9d8fb 100644
--- a/contrib/pngminus/pngminus.sh
+++ b/contrib/pngminus/pngminus.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
make -f makefile.std
sh png2pnm.sh
sh pnm2png.sh
diff --git a/contrib/pngminus/pnm2png.sh b/contrib/pngminus/pnm2png.sh
index 5afda9fb9..d79df2fae 100644
--- a/contrib/pngminus/pnm2png.sh
+++ b/contrib/pngminus/pnm2png.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
# -- grayscale
./pnm2png basn0g01.pgm basn0g01.png
./pnm2png basn0g02.pgm basn0g02.png
diff --git a/libpng.3 b/libpng.3
index b1fc61d72..7c715e3ef 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,404 +1,827 @@
-.TH LIBPNG 3 "June 2, 2006"
+.TH LIBPNG 3 "June 16, 2006"
.SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta6
+libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta7
.SH SYNOPSIS
-\fB
-#include <png.h>\fP
+\fI\fB
+
+\fB#include <png.h>\fP
+
+\fI\fB
\fBpng_uint_32 png_access_version_number \fI(void\fP\fB);\fP
+\fI\fB
+
+\fBvoid png_benign_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP
+
+\fI\fB
+
+\fBvoid png_chunk_benign_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP
+
+\fI\fB
+
\fBint png_check_sig (png_bytep \fP\fIsig\fP\fB, int \fInum\fP\fB);\fP
+\fI\fB
+
\fBvoid png_chunk_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP
+\fI\fB
+
\fBvoid png_chunk_warning (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fImessage\fP\fB);\fP
+\fI\fB
+
\fBvoid png_convert_from_struct_tm (png_timep \fP\fIptime\fP\fB, struct tm FAR * \fIttime\fP\fB);\fP
+\fI\fB
+
\fBvoid png_convert_from_time_t (png_timep \fP\fIptime\fP\fB, time_t \fIttime\fP\fB);\fP
+\fI\fB
+
\fBpng_charp png_convert_to_rfc1123 (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fIptime\fP\fB);\fP
+\fI\fB
+
\fBpng_infop png_create_info_struct (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_structp png_create_read_struct (png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarn_fn\fP\fB);\fP
+\fI\fB
+
\fBpng_structp png_create_read_struct_2(png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fP\fIwarn_fn\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP
+\fI\fB
+
\fBpng_structp png_create_write_struct (png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarn_fn\fP\fB);\fP
+\fI\fB
+
\fBpng_structp png_create_write_struct_2(png_const_charp \fP\fIuser_png_ver\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fP\fIwarn_fn\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP
+\fI\fB
+
\fBint png_debug(int \fP\fIlevel\fP\fB, png_const_charp \fImessage\fP\fB);\fP
+\fI\fB
+
\fBint png_debug1(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fIp1\fP\fB);\fP
+\fI\fB
+
\fBint png_debug2(int \fP\fIlevel\fP\fB, png_const_charp \fP\fImessage\fP\fB, \fP\fIp1\fP\fB, \fIp2\fP\fB);\fP
+\fI\fB
+
\fBvoid png_destroy_info_struct (png_structp \fP\fIpng_ptr\fP\fB, png_infopp \fIinfo_ptr_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_destroy_read_struct (png_structpp \fP\fIpng_ptr_ptr\fP\fB, png_infopp \fP\fIinfo_ptr_ptr\fP\fB, png_infopp \fIend_info_ptr_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_destroy_write_struct (png_structpp \fP\fIpng_ptr_ptr\fP\fB, png_infopp \fIinfo_ptr_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_error (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fIerror\fP\fB);\fP
+\fI\fB
+
\fBvoid png_free (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fIptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_free_chunk_list (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_free_default(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fIptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_free_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fInum\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_bit_depth (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_16p \fI*background\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_channels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fI*white_x\fP\fB, double \fP\fI*white_y\fP\fB, double \fP\fI*red_x\fP\fB, double \fP\fI*red_y\fP\fB, double \fP\fI*green_x\fP\fB, double \fP\fI*green_y\fP\fB, double \fP\fI*blue_x\fP\fB, double \fI*blue_y\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*white_x\fP\fB, png_uint_32 \fP\fI*white_y\fP\fB, png_uint_32 \fP\fI*red_x\fP\fB, png_uint_32 \fP\fI*red_y\fP\fB, png_uint_32 \fP\fI*green_x\fP\fB, png_uint_32 \fP\fI*green_y\fP\fB, png_uint_32 \fP\fI*blue_x\fP\fB, png_uint_32 \fI*blue_y\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_color_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_compression_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_copyright (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_get_error_ptr (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_filter_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fI*file_gamma\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fI*int_file_gamma\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_header_ver (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_header_version (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fI*hist\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charpp \fP\fIname\fP\fB, int \fP\fI*compression_type\fP\fB, png_charpp \fP\fIprofile\fP\fB, png_uint_32 \fI*proflen\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*width\fP\fB, png_uint_32 \fP\fI*height\fP\fB, int \fP\fI*bit_depth\fP\fB, int \fP\fI*color_type\fP\fB, int \fP\fI*interlace_type\fP\fB, int \fP\fI*compression_type\fP\fB, int \fI*filter_type\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_image_height (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_image_width (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-\fB#if !defined(PNG_1_0_X) png_int_32 png_get_int_32 (png_bytep buf); \fI#endif
+\fI\fB
+
+\fB#if \fI!defined(PNG_1_0_X)
+
+\fBpng_int_32 png_get_int_32 (png_bytep \fIbuf\fP\fB);\fP
+
+\fI\fB#endif
+
+\fI\fB
\fBpng_byte png_get_interlace_type (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_get_io_ptr (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_byte png_get_libpng_ver (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_get_mem_ptr(png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*offset_x\fP\fB, png_uint_32 \fP\fI*offset_y\fP\fB, int \fI*unit_type\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fI*purpose\fP\fB, png_int_32 \fP\fI*X0\fP\fB, png_int_32 \fP\fI*X1\fP\fB, int \fP\fI*type\fP\fB, int \fP\fI*nparams\fP\fB, png_charp \fP\fI*units\fP\fB, png_charpp \fI*params\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fI*res_x\fP\fB, png_uint_32 \fP\fI*res_y\fP\fB, int \fI*unit_type\fP\fB);\fP
+\fI\fB
+
\fBfloat png_get_pixel_aspect_ratio (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_get_progressive_ptr (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_colorp \fP\fI*palette\fP\fB, int \fI*num_palette\fP\fB);\fP
-\fBpng_byte png_get_rgb_to_gray_status (png_structp png_ptr) png_uint_32 png_get_rowbytes (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fBpng_byte png_get_rgb_to_gray_status (png_structp \fIpng_ptr)
+
+\fBpng_uint_32 png_get_rowbytes (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+
+\fI\fB
\fBpng_bytepp png_get_rows (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_8p \fI*sig_bit\fP\fB);\fP
+\fI\fB
+
\fBpng_bytep png_get_signature (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_spalette_p \fI*splt_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fI*intent\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_text (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fI*text_ptr\fP\fB, int \fI*num_text\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_timep \fI*mod_time\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fI*trans\fP\fB, int \fP\fI*num_trans\fP\fB, png_color_16p \fI*trans_values\fP\fB);\fP
-\fB#if !defined(PNG_1_0_X) png_uint_16 png_get_uint_16 (png_bytep \fIbuf\fP\fB);\fP
+\fI\fB
+
+\fB#if \fI!defined(PNG_1_0_X)
+
+\fBpng_uint_16 png_get_uint_16 (png_bytep \fIbuf\fP\fB);\fP
+
+\fI\fB
\fBpng_uint_32 png_get_uint_31 (png_bytep \fIbuf\fP\fB);\fP
-\fBpng_uint_32 png_get_uint_32 (png_bytep buf); \fI#endif
+\fI\fB
+
+\fBpng_uint_32 png_get_uint_32 (png_bytep \fIbuf\fP\fB);\fP
+
+\fI\fB#endif
+
+\fI\fB
\fBpng_uint_32 png_get_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_unknown_chunkpp \fIunknowns\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_get_user_chunk_ptr (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_user_height_max( png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_get_user_transform_ptr (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_user_width_max (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_valid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIflag\fP\fB);\fP
+\fI\fB
+
\fBpng_int_32 png_get_x_offset_microns (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_int_32 png_get_x_offset_pixels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_x_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_int_32 png_get_y_offset_microns (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_int_32 png_get_y_offset_pixels (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_y_pixels_per_meter (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_get_compression_buffer_size (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBint png_handle_as_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP
+\fI\fB
+
\fBvoid png_init_io (png_structp \fP\fIpng_ptr\fP\fB, FILE \fI*fp\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_info_init (png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_info_init_2 (png_infopp \fP\fIptr_ptr\fP\fB, png_size_t \fIpng_info_struct_size\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_malloc (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_malloc_default(png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
+\fI\fB
+
\fBvoidp png_memcpy (png_voidp \fP\fIs1\fP\fB, png_voidp \fP\fIs2\fP\fB, png_size_t \fIsize\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_memcpy_check (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIs1\fP\fB, png_voidp \fP\fIs2\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
+\fI\fB
+
\fBvoidp png_memset (png_voidp \fP\fIs1\fP\fB, int \fP\fIvalue\fP\fB, png_size_t \fIsize\fP\fB);\fP
+\fI\fB
+
\fBpng_voidp png_memset_check (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIs1\fP\fB, int \fP\fIvalue\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_permit_empty_plte (png_structp \fP\fIpng_ptr\fP\fB, int \fIempty_plte_permitted\fP\fB);\fP
+\fI\fB
+
\fBvoid png_process_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_size\fP\fB);\fP
+\fI\fB
+
\fBvoid png_progressive_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIold_row\fP\fB, png_bytep \fInew_row\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_infop \fIend_info_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_image (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fIimage\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_read_init (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_read_init_2 (png_structpp \fP\fIptr_ptr\fP\fB, png_const_charp \fP\fIuser_png_ver\fP\fB, png_size_t \fP\fIpng_struct_size\fP\fB, png_size_t \fIpng_info_size\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_png (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fItransforms\fP\fB, png_voidp \fIparams\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fIdisplay_row\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_rows (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fP\fIrow\fP\fB, png_bytepp \fP\fIdisplay_row\fP\fB, png_uint_32 \fInum_rows\fP\fB);\fP
+\fI\fB
+
\fBvoid png_read_update_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
-\fB#if !defined(PNG_1_0_X) png_save_int_32 (png_bytep \fP\fIbuf\fP\fB, png_int_32 \fIi\fP\fB);\fP
+\fI\fB
+
+\fB#if \fI!defined(PNG_1_0_X)
+
+\fBpng_save_int_32 (png_bytep \fP\fIbuf\fP\fB, png_int_32 \fIi\fP\fB);\fP
+
+\fI\fB
\fBvoid png_save_uint_16 (png_bytep \fP\fIbuf\fP\fB, unsigned int \fIi\fP\fB);\fP
+\fI\fB
+
\fBvoid png_save_uint_32 (png_bytep \fP\fIbuf\fP\fB, png_uint_32 \fIi\fP\fB);\fP
-\fBvoid png_set_add_alpha (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int flags); \fI#endif
+\fI\fB
+
+\fBvoid png_set_add_alpha (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int \fIflags\fP\fB);\fP
+
+\fI\fB#endif
+
+\fI\fB
\fBvoid png_set_background (png_structp \fP\fIpng_ptr\fP\fB, png_color_16p \fP\fIbackground_color\fP\fB, int \fP\fIbackground_gamma_code\fP\fB, int \fP\fIneed_expand\fP\fB, double \fIbackground_gamma\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_bgr (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_16p \fIbackground\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_compression_level (png_structp \fP\fIpng_ptr\fP\fB, int \fIlevel\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_compression_mem_level (png_structp \fP\fIpng_ptr\fP\fB, int \fImem_level\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_compression_method (png_structp \fP\fIpng_ptr\fP\fB, int \fImethod\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_compression_strategy (png_structp \fP\fIpng_ptr\fP\fB, int \fIstrategy\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_compression_window_bits (png_structp \fP\fIpng_ptr\fP\fB, int \fIwindow_bits\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_crc_action (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcrit_action\fP\fB, int \fIancil_action\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_dither (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fP\fInum_palette\fP\fB, int \fP\fImaximum_colors\fP\fB, png_uint_16p \fP\fIhistogram\fP\fB, int \fIfull_dither\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_error_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIerror_ptr\fP\fB, png_error_ptr \fP\fIerror_fn\fP\fB, png_error_ptr \fIwarning_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_expand (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_expand_gray_1_2_4_to_8(png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_filler (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, int \fIflags\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_filter (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fImethod\fP\fB, int \fIfilters\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_filter_heuristics (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIheuristic_method\fP\fB, int \fP\fInum_weights\fP\fB, png_doublep \fP\fIfilter_weights\fP\fB, png_doublep \fIfilter_costs\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_flush (png_structp \fP\fIpng_ptr\fP\fB, int \fInrows\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_gamma (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIscreen_gamma\fP\fB, double \fIdefault_file_gamma\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIfile_gamma\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_gray_1_2_4_to_8(png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_gray_to_rgb (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fIhist\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, png_uint_32 \fIproflen\fP\fB);\fP
+\fI\fB
+
\fBint png_set_interlace_handling (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_invalid (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fImask\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_invert_alpha (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_invert_mono (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIinterlace_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fIfilter_type\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_keep_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIkeep\fP\fB, png_bytep \fP\fIchunk_list\fP\fB, int \fInum_chunks\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_mem_fn(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIoffset_x\fP\fB, png_uint_32 \fP\fIoffset_y\fP\fB, int \fIunit_type\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_packing (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_packswap (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_palette_to_rgb(png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fIres_x\fP\fB, png_uint_32 \fP\fIres_y\fP\fB, int \fIunit_type\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
+
\fBvoid png_set_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_read_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIio_ptr\fP\fB, png_rw_ptr \fIread_data_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_read_status_fn (png_structp \fP\fIpng_ptr\fP\fB, png_read_status_ptr \fIread_row_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_read_user_transform_fn (png_structp \fP\fIpng_ptr\fP\fB, png_user_transform_ptr \fIread_user_transform_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_rgb_to_gray (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIerror_action\fP\fB, double \fP\fIred\fP\fB, double \fIgreen\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_rgb_to_gray_fixed (png_structp \fP\fIpng_ptr\fP\fB, int error_action png_fixed_point \fP\fIred\fP\fB, png_fixed_point \fIgreen\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_rows (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytepp \fIrow_pointers\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_color_8p \fIsig_bit\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_shift (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fItrue_bits\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_sig_bytes (png_structp \fP\fIpng_ptr\fP\fB, int \fInum_bytes\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_spalette_p \fP\fIsplt_ptr\fP\fB, int \fInum_spalettes\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fIintent\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_sRGB_gAMA_and_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fIintent\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_strip_16 (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_strip_alpha (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_swap (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_swap_alpha (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_text (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fP\fInum_trans\fP\fB, png_color_16p \fItrans_values\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_tRNS_to_alpha(png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBpng_uint_32 png_set_unknown_chunks (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_unknown_chunkp \fP\fIunknowns\fP\fB, int \fP\fInum\fP\fB, int \fIlocation\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_unknown_chunk_location(png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fIchunk\fP\fB, int \fIlocation\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_read_user_chunk_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_chunk_ptr\fP\fB, png_user_chunk_ptr \fIread_user_chunk_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_user_limits (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIuser_width_max\fP\fB, png_uint_32 \fIuser_height_max\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_user_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIuser_transform_ptr\fP\fB, int \fP\fIuser_transform_depth\fP\fB, int \fIuser_transform_channels\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_write_fn (png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fIio_ptr\fP\fB, png_rw_ptr \fP\fIwrite_data_fn\fP\fB, png_flush_ptr \fIoutput_flush_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_write_status_fn (png_structp \fP\fIpng_ptr\fP\fB, png_write_status_ptr \fIwrite_row_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_write_user_transform_fn (png_structp \fP\fIpng_ptr\fP\fB, png_user_transform_ptr \fIwrite_user_transform_fn\fP\fB);\fP
+\fI\fB
+
\fBvoid png_set_compression_buffer_size(png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIsize\fP\fB);\fP
+\fI\fB
+
\fBint png_sig_cmp (png_bytep \fP\fIsig\fP\fB, png_size_t \fP\fIstart\fP\fB, png_size_t \fInum_to_check\fP\fB);\fP
+\fI\fB
+
\fBvoid png_start_read_image (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_warning (png_structp \fP\fIpng_ptr\fP\fB, png_const_charp \fImessage\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIchunk_name\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_chunk_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_chunk_end (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_chunk_start (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIchunk_name\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_destroy (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_flush (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_image (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fIimage\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_write_init (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
\fBDEPRECATED: void png_write_init_2 (png_structpp \fP\fIptr_ptr\fP\fB, png_const_charp \fP\fIuser_png_ver\fP\fB, png_size_t \fP\fIpng_struct_size\fP\fB, png_size_t \fIpng_info_size\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_info_before_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_png (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, int \fP\fItransforms\fP\fB, png_voidp \fIparams\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
\fBvoid png_write_rows (png_structp \fP\fIpng_ptr\fP\fB, png_bytepp \fP\fIrow\fP\fB, png_uint_32 \fInum_rows\fP\fB);\fP
+\fI\fB
+
+\fBvoid png_write_sig (png_structp \fIpng_ptr\fP\fB);\fP
+
+\fI\fB
+
\fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP
+\fI\fB
+
\fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP
+\fI\fB
+
.SH DESCRIPTION
The
.I libpng
@@ -410,7 +833,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
.SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng
- libpng version 1.4.0beta6 - June 2, 2006
+ libpng version 1.4.0beta7 - June 16, 2006
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -3325,13 +3748,13 @@ application:
.SH IX. Y2K Compliance in libpng
-June 2, 2006
+June 16, 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 1.4.0beta6 are Y2K compliant. It is my belief that earlier
+upward through 1.4.0beta7 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
@@ -3491,7 +3914,9 @@ the first widely used release:
1.2.10beta1-7 13 10210 12.so.0.10[.0]
1.2.10rc1-2 13 10210 12.so.0.10[.0]
1.2.10 13 10210 12.so.0.10[.0]
- 1.4.0beta1-5 14 10400 14.so.0.0[.0]
+ 1.4.0beta1-6 14 10400 14.so.0.0[.0]
+ 1.2.11beta1-4 13 10210 12.so.0.10[.0]
+ 1.4.0beta7 14 10400 14.so.0.0[.0]
Henceforth the source version will match the shared-library minor
and patch numbers; the shared-library major version number will be
@@ -3547,7 +3972,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
-Libpng version 1.4.0beta6 - June 2, 2006:
+Libpng version 1.4.0beta7 - June 16, 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).
@@ -3568,7 +3993,7 @@ included in the libpng distribution, the latter shall prevail.)
If you modify libpng you may insert additional notices immediately following
this sentence.
-libpng versions 1.2.6, August 15, 2004, through 1.4.0beta6, June 2, 2006, are
+libpng versions 1.2.6, August 15, 2004, through 1.4.0beta7, June 16, 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
@@ -3667,7 +4092,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
-June 2, 2006
+June 16, 2006
.\" end of man page
diff --git a/libpng.txt b/libpng.txt
index d1985a541..814217041 100644
--- a/libpng.txt
+++ b/libpng.txt
@@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng
- libpng version 1.4.0beta6 - June 2, 2006
+ libpng version 1.4.0beta7 - June 16, 2006
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
@@ -2915,13 +2915,13 @@ application:
IX. Y2K Compliance in libpng
-June 2, 2006
+June 16, 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 1.4.0beta6 are Y2K compliant. It is my belief that earlier
+upward through 1.4.0beta7 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 e8856c65c..4585911a5 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,266 +1,770 @@
-.TH LIBPNGPF 3 "June 2, 2006"
+.TH LIBPNGPF 3 "June 16, 2006"
.SH NAME
-libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta6
+libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta7
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_build_gamma_table (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_build_grayscale_palette (int \fP\fIbit_depth\fP\fB, png_colorp \fIpalette\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_calculate_crc (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIptr\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_check_chunk_name (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIchunk_name\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBpng_size_t png_check_keyword (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charpp \fInew_key\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_combine_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fImask\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_correct_palette (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, int \fInum_palette\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBint png_crc_error (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBint png_crc_finish (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIskip\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_crc_read (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuf\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBpng_voidp png_create_struct (int \fItype\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBpng_voidp png_create_struct_2 (int \fP\fItype\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBpng_charp png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_charp \fP\fIchunkdata\fP\fB, png_size_t \fP\fIchunklength\fP\fB, png_size_t \fP\fIprefix_length\fP\fB, png_size_t \fI*data_length\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_destroy_struct (png_voidp \fIstruct_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_destroy_struct_2 (png_voidp \fP\fIstruct_ptr\fP\fB, png_free_ptr \fP\fIfree_fn\fP\fB, png_voidp \fImem_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_background (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fP\fItrans_values\fP\fB, png_color_16p \fP\fIbackground\fP\fB, png_color_16p \fP\fIbackground_1\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_bytep \fP\fIgamma_from_1\fP\fB, png_bytep \fP\fIgamma_to_1\fP\fB, png_uint_16pp \fP\fIgamma_16\fP\fB, png_uint_16pp \fP\fIgamma_16_from_1\fP\fB, png_uint_16pp \fP\fIgamma_16_to_1\fP\fB, int \fIgamma_shift\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_bgr (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_chop (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_dither (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIpalette_lookup\fP\fB, png_bytep \fIdither_lookup\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_expand (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_16p \fItrans_value\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_expand_palette (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_bytep \fP\fItrans\fP\fB, int \fInum_trans\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_gamma (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIgamma_table\fP\fB, png_uint_16pp \fP\fIgamma_16_table\fP\fB, int \fIgamma_shift\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_gray_to_rgb (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_invert (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_pack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIbit_depth\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_packswap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fP\fIfiller\fP\fB, png_uint_32 \fIflags\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fP\fIpass\fP\fB, png_uint_32 \fItransformations\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_invert_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
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBint png_do_rgb_to_gray (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_shift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIbit_depth\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_strip_filler (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_uint_32 \fIflags\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_swap (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_unpack (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_unshift (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_color_8p \fIsig_bits\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_write_interlace (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, int \fIpass\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_write_invert_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_write_swap_alpha (png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_do_write_transformations (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid *png_far_to_near (png_structp png_ptr,png_voidp \fP\fIptr\fP\fB, int \fIcheck\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_flush (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_bKGD (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_cHRM (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_gAMA (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_IEND (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_iTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_sRGB (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_info_destroy (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_init_mmx_flags (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_init_read_transformations (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_process_IDAT_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_process_some_data (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_check_crc (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_crc_finish (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_crc_skip (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_fill_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_handle_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_handle_unknown (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_handle_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_have_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_have_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_have_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIrow\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_process_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_chunk (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_end (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_IDAT (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_sig (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_read_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_restore_buffer (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIbuffer\fP\fB, png_size_t \fIbuffer_length\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_push_save_buffer (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_filter_row (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fP\fIrow_info\fP\fB, png_bytep \fP\fIrow\fP\fB, png_bytep \fP\fIprev_row\fP\fB, int \fIfilter\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_push_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_start_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_read_transform_info (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fIinfo_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_reset_crc (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBint png_set_text_2 (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_textp \fP\fItext_ptr\fP\fB, int \fInum_text\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_cHRM (png_structp \fP\fIpng_ptr\fP\fB, double \fP\fIwhite_x\fP\fB, double \fP\fIwhite_y\fP\fB, double \fP\fIred_x\fP\fB, double \fP\fIred_y\fP\fB, double \fP\fIgreen_x\fP\fB, double \fP\fIgreen_y\fP\fB, double \fP\fIblue_x\fP\fB, double \fIblue_y\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_cHRM_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwhite_x\fP\fB, png_uint_32 \fP\fIwhite_y\fP\fB, png_uint_32 \fP\fIred_x\fP\fB, png_uint_32 \fP\fIred_y\fP\fB, png_uint_32 \fP\fIgreen_x\fP\fB, png_uint_32 \fP\fIgreen_y\fP\fB, png_uint_32 \fP\fIblue_x\fP\fB, png_uint_32 \fIblue_y\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_data (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_filtered_row (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fIfiltered_row\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_find_filter (png_structp \fP\fIpng_ptr\fP\fB, png_row_infop \fIrow_info\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_finish_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_gAMA (png_structp \fP\fIpng_ptr\fP\fB, double \fIfile_gamma\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_gAMA_fixed (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fIint_file_gamma\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_uint_16p \fP\fIhist\fP\fB, int \fInum_hist\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_iCCP (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIname\fP\fB, int \fP\fIcompression_type\fP\fB, png_charp \fP\fIprofile\fP\fB, int \fIproflen\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_IDAT (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fIdata\fP\fB, png_size_t \fIlength\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_IEND (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_IHDR (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIwidth\fP\fB, png_uint_32 \fP\fIheight\fP\fB, int \fP\fIbit_depth\fP\fB, int \fP\fIcolor_type\fP\fB, int \fP\fIcompression_type\fP\fB, int \fP\fIfilter_type\fP\fB, int \fIinterlace_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_iTXt (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcompression\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fIlang\fP\fB, png_charp \fP\fItranslated_key\fP\fB, png_charp \fItext\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_oFFs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_offset\fP\fB, png_uint_32 \fP\fIy_offset\fP\fB, int \fIunit_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_pCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIpurpose\fP\fB, png_int_32 \fP\fIX0\fP\fB, png_int_32 \fP\fIX1\fP\fB, int \fP\fItype\fP\fB, int \fP\fInparams\fP\fB, png_charp \fP\fIunits\fP\fB, png_charpp \fIparams\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_pHYs (png_structp \fP\fIpng_ptr\fP\fB, png_uint_32 \fP\fIx_pixels_per_unit\fP\fB, png_uint_32 \fP\fIy_pixels_per_unit\fP\fB, int \fIunit_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_PLTE (png_structp \fP\fIpng_ptr\fP\fB, png_colorp \fP\fIpalette\fP\fB, png_uint_32 \fInum_pal\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sBIT (png_structp \fP\fIpng_ptr\fP\fB, png_color_8p \fP\fIsbit\fP\fB, int \fIcolor_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sCAL (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, double \fP\fIwidth\fP\fB, double \fIheight\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sCAL_s (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIunit\fP\fB, png_charp \fP\fIwidth\fP\fB, png_charp \fIheight\fP\fB);\fP
-\fBvoid png_write_sig (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
\fBvoid png_write_sRGB (png_structp \fP\fIpng_ptr\fP\fB, int \fIintent\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_sPLT (png_structp \fP\fIpng_ptr\fP\fB, png_spalette_p \fIpalette\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_start_row (png_structp \fIpng_ptr\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_tEXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fItext_len\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_tIME (png_structp \fP\fIpng_ptr\fP\fB, png_timep \fImod_time\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_tRNS (png_structp \fP\fIpng_ptr\fP\fB, png_bytep \fP\fItrans\fP\fB, png_color_16p \fP\fIvalues\fP\fB, int \fP\fInumber\fP\fB, int \fIcolor_type\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_write_zTXt (png_structp \fP\fIpng_ptr\fP\fB, png_charp \fP\fIkey\fP\fB, png_charp \fP\fItext\fP\fB, png_size_t \fP\fItext_len\fP\fB, int \fIcompression\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoidpf png_zalloc (voidpf \fP\fIpng_ptr\fP\fB, uInt \fP\fIitems\fP\fB, uInt \fIsize\fP\fB);\fP
+\fI\fB
+
+\fI\fB
+
\fBvoid png_zfree (voidpf \fP\fIpng_ptr\fP\fB, voidpf \fIptr\fP\fB);\fP
\fI\fB
+\fI\fB
+
.SH DESCRIPTION
The functions listed above are used privately by libpng
and are not recommended for use by applications. They are
diff --git a/ltmain.sh b/ltmain.sh
index f7a83f427..3ff0776a8 100644
--- a/ltmain.sh
+++ b/ltmain.sh
@@ -1,3 +1,4 @@
+#! /bin/sh
# ltmain.sh - Provide generalized library-building support services.
# NOTE: Changing this file will not affect anything until you rerun configure.
#
diff --git a/png.5 b/png.5
index 2784e0f60..ac8b198aa 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "June 2, 2006"
+.TH PNG 5 "June 16, 2006"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
diff --git a/png.c b/png.c
index 9dc14456f..55ac71a79 100644
--- a/png.c
+++ b/png.c
@@ -13,7 +13,7 @@
#include "pngintrn.h"
/* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_4_0beta6 Your_png_h_is_not_version_1_4_0beta6;
+typedef version_1_4_0beta7 Your_png_h_is_not_version_1_4_0beta7;
/* Version information for C files. This had better match the version
* string defined in png.h. */
@@ -637,7 +637,7 @@ png_charp PNGAPI
png_get_copyright(png_structp png_ptr)
{
if (&png_ptr != NULL) /* silence compiler warning about unused png_ptr */
- return ((png_charp) "\n libpng version 1.4.0beta6 - June 2, 2006\n\
+ return ((png_charp) "\n libpng version 1.4.0beta7 - June 16, 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 35a1388b8..82577b349 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
- * libpng version 1.4.0beta6 - June 2, 2006
+ * libpng version 1.4.0beta7 - June 16, 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 1.4.0beta6 - June 2, 2006: Glenn
+ * libpng versions 0.97, January 1998, through 1.4.0beta7 - June 16, 2006: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -120,6 +120,8 @@
* 1.2.10rc1-2 13 10210 12.so.0.10[.0]
* 1.2.10 13 10210 12.so.0.10[.0]
* 1.4.0beta1-5 14 10400 14.so.0.0[.0]
+ * 1.2.11beta1-4 13 10210 12.so.0.10[.0]
+ * 1.4.0beta7 14 10400 14.so.0.0[.0]
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@@ -149,7 +151,7 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
- * libpng versions 1.2.6, August 15, 2004, through 1.4.0beta6, June 2, 2006, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.4.0beta7, June 16, 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:
@@ -261,13 +263,13 @@
* Y2K compliance in libpng:
* =========================
*
- * June 2, 2006
+ * June 16, 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 1.4.0beta6 are Y2K compliant. It is my belief that earlier
+ * upward through 1.4.0beta7 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
@@ -323,9 +325,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
-#define PNG_LIBPNG_VER_STRING "1.4.0beta6"
+#define PNG_LIBPNG_VER_STRING "1.4.0beta7"
#define PNG_HEADER_VERSION_STRING \
- " libpng version 1.4.0beta6 - June 2, 2006 (header)\n"
+ " libpng version 1.4.0beta7 - June 16, 2006 (header)\n"
#define PNG_LIBPNG_VER_SONUM 1
#define PNG_LIBPNG_VER_DLLNUM 14
@@ -337,7 +339,7 @@
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
-#define PNG_LIBPNG_VER_BUILD 6
+#define PNG_LIBPNG_VER_BUILD 7
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
@@ -1361,7 +1363,7 @@ struct png_struct_def
/* 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_0beta6;
+typedef png_structp version_1_4_0beta7;
typedef png_struct FAR * FAR * png_structpp;
@@ -1423,6 +1425,9 @@ extern PNG_EXPORT(png_structp,png_create_write_struct_2)
png_malloc_ptr malloc_fn, png_free_ptr free_fn));
#endif
+/* Write the PNG file signature. */
+extern PNG_EXPORT(void,png_write_sig) PNGARG((png_structp png_ptr));
+
/* Write a PNG chunk - size, type, (optional) data, CRC. */
extern PNG_EXPORT(void,png_write_chunk) PNGARG((png_structp png_ptr,
png_bytep chunk_name, png_bytep data, png_size_t length));
@@ -1979,6 +1984,20 @@ extern PNG_EXPORT(void,png_warning) PNGARG((png_structp png_ptr,
extern PNG_EXPORT(void,png_chunk_warning) PNGARG((png_structp png_ptr,
png_const_charp warning_message));
+#ifdef PNG_BENIGN_ERRORS_SUPPORTED
+/* Benign error in libpng. Can continue, but may have a problem.
+ * User can choose whether to handle as a fatal error or as a warning. */
+extern PNG_EXPORT(void,png_benign_error) PNGARG((png_structp png_ptr,
+ png_const_charp warning_message));
+
+/* Same, chunk name is prepended to message. */
+extern PNG_EXPORT(void,png_chunk_benign_error) PNGARG((png_structp png_ptr,
+ png_const_charp warning_message));
+
+extern PNG_EXPORT(void,png_set_benign_errors) PNGARG((png_structp
+ png_ptr, int allowed));
+#endif
+
/* The png_set_<chunk> functions are for storing values in the png_info_struct.
* Similarly, the png_get_<chunk> calls are used to read values from the
* png_info_struct, either storing the parameters in the passed variables, or
@@ -2502,6 +2521,28 @@ extern PNG_EXPORT(png_uint_32,png_get_user_height_max) PNGARG((png_structp
png_ptr));
#endif
+#if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED)
+PNG_EXPORT(png_uint_32,png_get_pixels_per_inch) PNGARG((png_structp png_ptr,
+png_infop info_ptr));
+
+PNG_EXPORT(png_uint_32,png_get_x_pixels_per_inch) PNGARG((png_structp png_ptr,
+png_infop info_ptr));
+
+PNG_EXPORT(png_uint_32,png_get_y_pixels_per_inch) PNGARG((png_structp png_ptr,
+png_infop info_ptr));
+
+PNG_EXPORT(float,png_get_x_offset_inches) PNGARG((png_structp png_ptr,
+png_infop info_ptr));
+
+PNG_EXPORT(float,png_get_y_offset_inches) PNGARG((png_structp png_ptr,
+png_infop info_ptr));
+
+#if defined(PNG_pHYs_SUPPORTED)
+PNG_EXPORT(png_uint_32,png_get_pHYs_dpi) PNGARG((png_structp png_ptr,
+png_infop info_ptr, png_uint_32 *res_x, png_uint_32 *res_y, int *unit_type));
+#endif /* PNG_pHYs_SUPPORTED */
+#endif /* PNG_INCH_CONVERSIONS && PNG_FLOATING_POINT_SUPPORTED */
+
/* Maintainer: Put new public prototypes here ^, in libpng.3, and project defs */
#ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED
diff --git a/pngconf.h b/pngconf.h
index 0deac68bb..3a65015ce 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
- * libpng version 1.4.0beta6 - June 2, 2006
+ * libpng version 1.4.0beta7 - June 16, 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)
@@ -21,6 +21,10 @@
/* Makefile-supplied defines go here: */
/* End of Makefile-supplied defines. */
+#ifndef PNG_NO_LIMITS_H
+#include <limits.h>
+#endif
+
/* Added at libpng-1.2.9 */
/* PNG_CONFIGURE_LIBPNG is set by the "configure" script. */
@@ -108,6 +112,17 @@
# define PNG_WRITE_SUPPORTED
#endif
+/* Enabled in 1.4.0. */
+#ifdef PNG_ALLOW_BENIGN_ERRORS
+# define png_benign_error png_warning
+# define png_chunk_benign_error png_chunk_warning
+#else
+# ifndef PNG_BENIGN_ERRORS_SUPPORTED
+# define png_benign_error png_error
+# define png_chunk_benign_error png_chunk_error
+# endif
+#endif
+
/* Enabled by default in 1.2.0. You can disable this if you don't need to
support PNGs that are embedded in MNG datastreams */
#if !defined(PNG_NO_MNG_FEATURES)
@@ -977,8 +992,13 @@
* want to have unsigned int for png_uint_32 instead of unsigned long.
*/
+#if defined(INT_MAX) && (INT_MAX > 0x7ffffffeL)
+typedef unsigned int png_uint_32;
+typedef int png_int_32;
+#else
typedef unsigned long png_uint_32;
typedef long png_int_32;
+#endif
typedef unsigned short png_uint_16;
typedef short png_int_16;
typedef unsigned char png_byte;
diff --git a/pngerror.c b/pngerror.c
index 05c59f92a..0acc7540a 100644
--- a/pngerror.c
+++ b/pngerror.c
@@ -106,6 +106,17 @@ png_warning(png_structp png_ptr, png_const_charp warning_message)
png_default_warning(png_ptr, warning_message+offset);
}
+#ifdef PNG_BENIGN_ERRORS_SUPPORTED
+void PNGAPI
+png_benign_error(png_structp png_ptr, png_const_charp error_message)
+{
+ if (png_ptr->flags & PNG_FLAG_BENIGN_ERRORS_WARN)
+ png_warning(png_ptr, error_message);
+ else
+ png_error(png_ptr, error_message);
+}
+#endif
+
/* These utilities are used internally to build an error message that relates
* to the current chunk. The chunk name comes from png_ptr->chunk_name,
* this is used to prefix the message. The message is limited in length
@@ -171,6 +182,17 @@ png_chunk_warning(png_structp png_ptr, png_const_charp warning_message)
png_warning(png_ptr, msg);
}
+#ifdef PNG_BENIGN_ERRORS_SUPPORTED
+void PNGAPI
+png_chunk_benign_error(png_structp png_ptr, png_const_charp error_message)
+{
+ if (png_ptr->flags & PNG_FLAG_BENIGN_ERRORS_WARN)
+ png_chunk_warning(png_ptr, error_message);
+ else
+ png_chunk_error(png_ptr, error_message);
+}
+#endif
+
/* This is the default error handling function. Note that replacements for
* this function MUST NOT RETURN, or the program will likely crash. This
* function is used by default, or if the program supplies NULL for the
diff --git a/pngintrn.h b/pngintrn.h
index 607999f9b..044329a66 100644
--- a/pngintrn.h
+++ b/pngintrn.h
@@ -1,9 +1,9 @@
/* pngintrn.h - internal header file for libpng
*
- * libpng version 1.4.0beta6 - June 2, 2006
+ * libpng version 1.4.0beta7 - June 16, 2006
* For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2005 Glenn Randers-Pehrson
+ * 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.)
*/
@@ -106,7 +106,7 @@
#define PNG_HAVE_IHDR 0x01
#define PNG_HAVE_PLTE 0x02
#define PNG_HAVE_IDAT 0x04
-#define PNG_AFTER_IDAT 0x08
+#define PNG_AFTER_IDAT 0x08 /* Have complete zlib datastream */
#define PNG_HAVE_IEND 0x10
#define PNG_HAVE_gAMA 0x20
#define PNG_HAVE_cHRM 0x40
@@ -116,6 +116,7 @@
#define PNG_WROTE_INFO_BEFORE_PLTE 0x400
#define PNG_BACKGROUND_IS_GRAY 0x800
#define PNG_HAVE_PNG_SIGNATURE 0x1000
+#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
@@ -185,7 +186,7 @@
#define PNG_FLAG_MALLOC_NULL_MEM_OK 0x100000L
#define PNG_FLAG_ADD_ALPHA 0x200000L /* Added to libpng-1.2.8 */
#define PNG_FLAG_STRIP_ALPHA 0x400000L /* Added to libpng-1.2.8 */
- /* 0x800000L unused */
+#define PNG_FLAG_BENIGN_ERRORS_WARN 0x800000L /* Added to libpng-1.4.0 */
/* 0x1000000L unused */
/* 0x2000000L unused */
/* 0x4000000L unused */
@@ -389,9 +390,6 @@ PNG_EXTERN void png_calculate_crc PNGARG((png_structp png_ptr, png_bytep ptr,
PNG_EXTERN void png_flush PNGARG((png_structp png_ptr));
#endif
-/* simple function to write the signature */
-PNG_EXTERN void png_write_sig PNGARG((png_structp png_ptr));
-
/* write various chunks */
/* Write the IHDR chunk, and update the png_struct with the necessary
diff --git a/pngpread.c b/pngpread.c
index da84660e0..1a41e6370 100644
--- a/pngpread.c
+++ b/pngpread.c
@@ -1,9 +1,9 @@
/* pngpread.c - read a png file in push mode
*
- * Last changed in libpng 1.4.0 April 20, 2006
+ * Last changed in libpng 1.2.11 June 7, 2006
* For conditions of distribution and use, see copyright notice in png.h
- * Copyright (c) 1998-2004 Glenn Randers-Pehrson
+ * 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.)
*/
@@ -214,6 +214,10 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr)
png_ptr->mode |= PNG_HAVE_CHUNK_HEADER;
}
+ if (!png_memcmp(png_ptr->chunk_name, (png_bytep)png_IDAT, 4))
+ if(png_ptr->mode & PNG_AFTER_IDAT)
+ png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT;
+
if (!png_memcmp(png_ptr->chunk_name, png_IHDR, 4))
{
if (png_ptr->push_length + 4 > png_ptr->buffer_size)
@@ -281,11 +285,12 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr)
if (png_ptr->mode & PNG_HAVE_IDAT)
{
- if (png_ptr->push_length == 0)
- return;
+ if (!(png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT))
+ if (png_ptr->push_length == 0)
+ return;
if (png_ptr->mode & PNG_AFTER_IDAT)
- png_error(png_ptr, "Too many IDAT's found");
+ png_benign_error(png_ptr, "Too many IDAT's found");
}
png_ptr->idat_size = png_ptr->push_length;
@@ -746,7 +751,7 @@ png_process_IDAT_data(png_structp png_ptr, png_bytep buffer,
int ret;
if ((png_ptr->flags & PNG_FLAG_ZLIB_FINISHED) && buffer_length)
- png_error(png_ptr, "Extra compression data");
+ png_benign_error(png_ptr, "Extra compression data");
png_ptr->zstream.next_in = buffer;
png_ptr->zstream.avail_in = (uInt)buffer_length;
@@ -758,7 +763,7 @@ png_process_IDAT_data(png_structp png_ptr, png_bytep buffer,
if (ret == Z_STREAM_END)
{
if (png_ptr->zstream.avail_in)
- png_error(png_ptr, "Extra compressed data");
+ png_benign_error(png_ptr, "Extra compressed data");
if (!(png_ptr->zstream.avail_out))
{
png_push_process_row(png_ptr);
diff --git a/pngread.c b/pngread.c
index b435f1664..6448b3972 100644
--- a/pngread.c
+++ b/pngread.c
@@ -1,7 +1,7 @@
/* pngread.c - read a PNG file
*
- * Last changed in libpng 1.4.0 April 20, 2006
+ * Last changed in libpng 1.2.11 June 7, 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)
@@ -351,11 +351,15 @@ png_read_info(png_structp png_ptr, png_infop info_ptr)
png_crc_read(png_ptr, png_ptr->chunk_name, 4);
png_debug2(0, "Reading %s chunk, length=%lu.\n", png_ptr->chunk_name,
- length);
+ (unsigned long) length);
/* This should be a binary subdivision search or a hash for
* matching the chunk name rather than a linear search.
*/
+ if (!png_memcmp(png_ptr->chunk_name, (png_bytep)png_IDAT, 4))
+ if(png_ptr->mode & PNG_AFTER_IDAT)
+ png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT;
+
if (!png_memcmp(png_ptr->chunk_name, png_IHDR, 4))
png_handle_IHDR(png_ptr, info_ptr, length);
else if (!png_memcmp(png_ptr->chunk_name, png_IEND, 4))
@@ -506,7 +510,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
#endif
int ret;
png_debug2(1, "in png_read_row (row %lu, pass %d)\n",
- png_ptr->row_number, png_ptr->pass);
+ (unsigned long) png_ptr->row_number, png_ptr->pass);
if (!(png_ptr->flags & PNG_FLAG_ROW_INIT))
png_read_start_row(png_ptr);
if (png_ptr->row_number == 0 && png_ptr->pass == 0)
@@ -655,7 +659,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
{
if (png_ptr->zstream.avail_out || png_ptr->zstream.avail_in ||
png_ptr->idat_size)
- png_error(png_ptr, "Extra compressed data");
+ png_benign_error(png_ptr, "Extra compressed data");
png_ptr->mode |= PNG_AFTER_IDAT;
png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
break;
@@ -928,11 +932,9 @@ png_read_end(png_structp png_ptr, png_infop info_ptr)
{
if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4))
{
- if (length > 0 || png_ptr->mode & PNG_AFTER_IDAT)
- png_error(png_ptr, "Too many IDAT's found");
+ if ((length > 0) || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT))
+ png_benign_error(png_ptr, "Too many IDAT's found");
}
- else
- png_ptr->mode |= PNG_AFTER_IDAT;
png_handle_unknown(png_ptr, info_ptr, length);
if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4))
png_ptr->mode |= PNG_HAVE_PLTE;
@@ -943,8 +945,8 @@ png_read_end(png_structp png_ptr, png_infop info_ptr)
/* Zero length IDATs are legal after the last IDAT has been
* read, but not after other chunks have been read.
*/
- if (length > 0 || png_ptr->mode & PNG_AFTER_IDAT)
- png_error(png_ptr, "Too many IDAT's found");
+ if ((length > 0) || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT))
+ png_benign_error(png_ptr, "Too many IDAT's found");
png_crc_finish(png_ptr, length);
}
else if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4))
diff --git a/pngrtran.c b/pngrtran.c
index 60e8e2bb8..be33ee700 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 April 20, 2006
+ * Last changed in libpng 1.4.0 June 15, 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)
@@ -1206,8 +1206,8 @@ png_do_read_transformations(png_structp png_ptr)
#ifndef PNG_NO_STDIO
char msg[50];
- png_sprintf(msg, "NULL row buffer for row %ld, pass %d",
- png_ptr->row_number, png_ptr->pass);
+ png_sprintf(msg, "NULL row buffer for row %lu, pass %d",
+ (unsigned long) png_ptr->row_number, png_ptr->pass);
png_error(png_ptr, msg);
#else
png_error(png_ptr, "NULL row buffer");
@@ -3922,7 +3922,7 @@ png_do_dither(png_row_infop row_info, png_bytep row,
#ifdef PNG_FLOATING_POINT_SUPPORTED
#if defined(PNG_READ_GAMMA_SUPPORTED)
static int png_gamma_shift[] =
- {0x10, 0x21, 0x42, 0x84, 0x110, 0x248, 0x550, 0xff0};
+ {0x10, 0x21, 0x42, 0x84, 0x110, 0x248, 0x550, 0xff0, 0x000};
/* We build the 8- or 16-bit gamma tables here. Note that for 16-bit
* tables, we don't make a full table if we are reducing to 8-bit in
diff --git a/pngrutil.c b/pngrutil.c
index 226eb5dbd..8a3fe0d7b 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -102,7 +102,8 @@ png_crc_finish(png_structp png_ptr, png_uint_32 skip)
}
else
{
- png_chunk_error(png_ptr, "CRC error");
+ png_chunk_benign_error(png_ptr, "CRC error");
+ return (0);
}
return (1);
}
@@ -376,7 +377,7 @@ png_handle_IHDR(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,png_ptr->width);
png_debug1(3,"bit_depth = %d\n", png_ptr->bit_depth);
png_debug1(3,"channels = %d\n", png_ptr->channels);
- png_debug1(3,"rowbytes = %lu\n", png_ptr->rowbytes);
+ png_debug1(3,"rowbytes = %lu\n", (unsigned long) png_ptr->rowbytes);
png_set_IHDR(png_ptr, info_ptr, width, height, bit_depth,
color_type, interlace_type, compression_type, filter_type);
}
@@ -481,7 +482,7 @@ png_handle_PLTE(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
{
if (png_ptr->flags & PNG_FLAG_CRC_ANCILLARY_NOWARN)
{
- png_chunk_error(png_ptr, "CRC error");
+ png_chunk_benign_error(png_ptr, "CRC error");
}
else
{
@@ -693,7 +694,7 @@ png_handle_sBIT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
void /* PRIVATE */
png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
{
- png_byte buf[4];
+ png_byte buf[32];
#ifdef PNG_FLOATING_POINT_SUPPORTED
float white_x, white_y, red_x, red_y, green_x, green_y, blue_x, blue_y;
#endif
@@ -734,62 +735,46 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
return;
}
- png_crc_read(png_ptr, buf, 4);
- uint_x = png_get_uint_32(buf);
-
- png_crc_read(png_ptr, buf, 4);
- uint_y = png_get_uint_32(buf);
+ png_crc_read(png_ptr, buf, 32);
+ if (png_crc_finish(png_ptr, 0))
+ return;
+ uint_x = png_get_uint_32(buf);
+ uint_y = png_get_uint_32(buf + 4);
if (uint_x > 80000L || uint_y > 80000L ||
uint_x + uint_y > 100000L)
{
png_warning(png_ptr, "Invalid cHRM white point");
- png_crc_finish(png_ptr, 24);
return;
}
int_x_white = (png_fixed_point)uint_x;
int_y_white = (png_fixed_point)uint_y;
- png_crc_read(png_ptr, buf, 4);
- uint_x = png_get_uint_32(buf);
-
- png_crc_read(png_ptr, buf, 4);
- uint_y = png_get_uint_32(buf);
-
+ uint_x = png_get_uint_32(buf + 8);
+ uint_y = png_get_uint_32(buf + 12);
if (uint_x + uint_y > 100000L)
{
png_warning(png_ptr, "Invalid cHRM red point");
- png_crc_finish(png_ptr, 16);
return;
}
int_x_red = (png_fixed_point)uint_x;
int_y_red = (png_fixed_point)uint_y;
- png_crc_read(png_ptr, buf, 4);
- uint_x = png_get_uint_32(buf);
-
- png_crc_read(png_ptr, buf, 4);
- uint_y = png_get_uint_32(buf);
-
+ uint_x = png_get_uint_32(buf + 16);
+ uint_y = png_get_uint_32(buf + 20);
if (uint_x + uint_y > 100000L)
{
png_warning(png_ptr, "Invalid cHRM green point");
- png_crc_finish(png_ptr, 8);
return;
}
int_x_green = (png_fixed_point)uint_x;
int_y_green = (png_fixed_point)uint_y;
- png_crc_read(png_ptr, buf, 4);
- uint_x = png_get_uint_32(buf);
-
- png_crc_read(png_ptr, buf, 4);
- uint_y = png_get_uint_32(buf);
-
+ uint_x = png_get_uint_32(buf + 24);
+ uint_y = png_get_uint_32(buf + 28);
if (uint_x + uint_y > 100000L)
{
png_warning(png_ptr, "Invalid cHRM blue point");
- png_crc_finish(png_ptr, 0);
return;
}
int_x_blue = (png_fixed_point)uint_x;
@@ -807,7 +792,7 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
#endif
#if defined(PNG_READ_sRGB_SUPPORTED)
- if (info_ptr != NULL && (info_ptr->valid & PNG_INFO_sRGB))
+ if ((info_ptr != NULL) && (info_ptr->valid & PNG_INFO_sRGB))
{
if (PNG_OUT_OF_RANGE(int_x_white, 31270, 1000) ||
PNG_OUT_OF_RANGE(int_y_white, 32900, 1000) ||
@@ -818,7 +803,6 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
PNG_OUT_OF_RANGE(int_x_blue, 15000, 1000) ||
PNG_OUT_OF_RANGE(int_y_blue, 6000, 1000))
{
-
png_warning(png_ptr,
"Ignoring incorrect cHRM value when sRGB is also present");
#ifndef PNG_NO_CONSOLE_IO
@@ -835,7 +819,6 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
#endif
#endif /* PNG_NO_CONSOLE_IO */
}
- png_crc_finish(png_ptr, 0);
return;
}
#endif /* PNG_READ_sRGB_SUPPORTED */
@@ -849,8 +832,6 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
int_x_white, int_y_white, int_x_red, int_y_red, int_x_green,
int_y_green, int_x_blue, int_y_blue);
#endif
- if (png_crc_finish(png_ptr, 0))
- return;
}
#endif
@@ -1557,7 +1538,7 @@ png_handle_pCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
png_debug1(2, "Allocating and reading pCAL chunk data (%lu bytes)\n",
- length + 1);
+ (unsigned long) (length + 1));
purpose = (png_charp)png_malloc_warn(png_ptr, length + 1);
if (purpose == NULL)
{
@@ -1688,7 +1669,7 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
png_debug1(2, "Allocating and reading sCAL chunk data (%lu bytes)\n",
- length + 1);
+ (unsigned long) (length + 1));
buffer = (png_charp)png_malloc_warn(png_ptr, length + 1);
if (buffer == NULL)
{
@@ -2664,7 +2645,8 @@ png_read_filter_row(png_structp png_ptr, png_row_infop row_info, png_bytep row,
png_bytep prev_row, int filter)
{
png_debug(1, "in png_read_filter_row\n");
- png_debug2(2,"row = %lu, filter = %d\n", png_ptr->row_number, filter);
+ png_debug2(2,"row = %lu, filter = %d\n",
+ (unsigned long) png_ptr->row_number, filter);
switch (filter)
{
case PNG_FILTER_VALUE_NONE:
@@ -3090,12 +3072,12 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
png_memset_check(png_ptr, png_ptr->prev_row, 0, png_ptr->rowbytes + 1);
- png_debug1(3, "width = %lu,\n", png_ptr->width);
- png_debug1(3, "height = %lu,\n", png_ptr->height);
- png_debug1(3, "iwidth = %lu,\n", png_ptr->iwidth);
- png_debug1(3, "num_rows = %lu\n", png_ptr->num_rows);
- png_debug1(3, "rowbytes = %lu,\n", png_ptr->rowbytes);
- png_debug1(3, "irowbytes = %lu,\n", png_ptr->irowbytes);
+ png_debug1(3, "width = %lu,\n", (unsigned long) png_ptr->width);
+ png_debug1(3, "height = %lu,\n", (unsigned long) png_ptr->height);
+ png_debug1(3, "iwidth = %lu,\n", (unsigned long) png_ptr->iwidth);
+ png_debug1(3, "num_rows = %lu\n", (unsigned long) png_ptr->num_rows);
+ png_debug1(3, "rowbytes = %lu,\n", (unsigned long) png_ptr->rowbytes);
+ png_debug1(3, "irowbytes = %lu,\n", (unsigned long) png_ptr->irowbytes);
png_ptr->flags |= PNG_FLAG_ROW_INIT;
}
diff --git a/pngset.c b/pngset.c
index 1ee8b4323..a23b1c3f7 100644
--- a/pngset.c
+++ b/pngset.c
@@ -394,7 +394,8 @@ png_set_pCAL(png_structp png_ptr, png_infop info_ptr,
return;
length = png_strlen(purpose) + 1;
- png_debug1(3, "allocating purpose for info (%lu bytes)\n", length);
+ png_debug1(3, "allocating purpose for info (%lu bytes)\n",
+ (unsigned long) length);
info_ptr->pcal_purpose = (png_charp)png_malloc_warn(png_ptr, length);
if (info_ptr->pcal_purpose == NULL)
{
@@ -410,7 +411,8 @@ png_set_pCAL(png_structp png_ptr, png_infop info_ptr,
info_ptr->pcal_nparams = (png_byte)nparams;
length = png_strlen(units) + 1;
- png_debug1(3, "allocating units for info (%lu bytes)\n", length);
+ png_debug1(3, "allocating units for info (%lu bytes)\n",
+ (unsigned long)length);
info_ptr->pcal_units = (png_charp)png_malloc_warn(png_ptr, length);
if (info_ptr->pcal_units == NULL)
{
@@ -432,7 +434,8 @@ png_set_pCAL(png_structp png_ptr, png_infop info_ptr,
for (i = 0; i < nparams; i++)
{
length = png_strlen(params[i]) + 1;
- png_debug2(3, "allocating parameter %d for info (%lu bytes)\n", i, length);
+ png_debug2(3, "allocating parameter %d for info (%lu bytes)\n", i,
+ (unsigned long) length);
info_ptr->pcal_params[i] = (png_charp)png_malloc_warn(png_ptr, length);
if (info_ptr->pcal_params[i] == NULL)
{
@@ -832,7 +835,8 @@ png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
if (textp->key == NULL)
return(1);
png_debug2(2, "Allocated %lu bytes at %x in png_set_text\n",
- (png_uint_32)(key_len + lang_len + lang_key_len + text_length + 4),
+ (unsigned long)(png_uint_32)(key_len + lang_len + lang_key_len
+ + text_length + 4),
(int)textp->key);
png_memcpy(textp->key, text_ptr[i].key,
@@ -1246,4 +1250,17 @@ png_set_user_limits (png_structp png_ptr, png_uint_32 user_width_max,
}
#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */
+
+#if defined(PNG_BENIGN_ERRORS_SUPPORTED)
+void PNGAPI
+png_set_benign_errors(png_structp png_ptr, int allowed)
+{
+ png_debug(1, "in png_set_benign_errors\n");
+ if (allowed)
+ png_ptr->flags |= PNG_FLAG_BENIGN_ERRORS_WARN;
+ else
+ png_ptr->flags &= ~PNG_FLAG_BENIGN_ERRORS_WARN;
+}
+#endif /* PNG_BENIGN_ERRORS_SUPPORTED */
+
#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */
diff --git a/pngtest.c b/pngtest.c
index b2e608d0e..bf0535e82 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -493,7 +493,8 @@ png_debug_malloc(png_structp png_ptr, png_uint_32 size)
/* Make sure the caller isn't assuming zeroed memory. */
png_memset(pinfo->pointer, 0xdd, pinfo->size);
if(verbose)
- printf("png_malloc %lu bytes at %x\n",size,pinfo->pointer);
+ printf("png_malloc %lu bytes at %x\n",(unsigned long) size,
+ pinfo->pointer);
return (png_voidp)(pinfo->pointer);
}
}
@@ -1132,7 +1133,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
iwidth = png_get_image_width(write_ptr, write_info_ptr);
iheight = png_get_image_height(write_ptr, write_info_ptr);
fprintf(STDERR, "Image width = %lu, height = %lu\n",
- iwidth, iheight);
+ (unsigned long) iwidth, (unsigned long) iheight);
}
#endif
@@ -1246,7 +1247,8 @@ main(int argc, char *argv[])
fprintf(STDERR, " with zlib version %s\n", ZLIB_VERSION);
fprintf(STDERR,"%s",png_get_copyright(NULL));
/* Show the version of libpng used in building the library */
- fprintf(STDERR," library (%lu):%s", png_access_version_number(),
+ fprintf(STDERR," library (%lu):%s",
+ (unsigned long) png_access_version_number(),
png_get_header_version(NULL));
/* Show the version of libpng used in building the application */
fprintf(STDERR," pngtest (%lu):%s", (unsigned long)PNG_LIBPNG_VER,
@@ -1334,7 +1336,8 @@ main(int argc, char *argv[])
if (kerror == 0)
{
#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
- fprintf(STDERR, "\n PASS (%lu zero samples)\n",zero_samples);
+ fprintf(STDERR, "\n PASS (%lu zero samples)\n",
+ (unsigned long) zero_samples);
#else
fprintf(STDERR, " PASS\n");
#endif
@@ -1342,7 +1345,7 @@ main(int argc, char *argv[])
for (k=0; k<256; k++)
if(filters_used[k])
fprintf(STDERR, " Filter %d was used %lu times\n",
- k,filters_used[k]);
+ k, (unsigned long) filters_used[k]);
#endif
#if defined(PNG_TIME_RFC1123_SUPPORTED)
if(tIME_chunk_present != 0)
@@ -1367,7 +1370,8 @@ main(int argc, char *argv[])
current_allocation);
while (pinfo != NULL)
{
- fprintf(STDERR, " %lu bytes at %x\n", pinfo->size,
+ fprintf(STDERR, " %lu bytes at %x\n",
+ (unsigned long) pinfo->size,
(unsigned int) pinfo->pointer);
pinfo = pinfo->next;
}
@@ -1407,7 +1411,8 @@ main(int argc, char *argv[])
int k;
#endif
#if defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
- fprintf(STDERR, "\n PASS (%lu zero samples)\n",zero_samples);
+ fprintf(STDERR, "\n PASS (%lu zero samples)\n",
+ (unsigned long) zero_samples);
#else
fprintf(STDERR, " PASS\n");
#endif
@@ -1415,7 +1420,8 @@ main(int argc, char *argv[])
for (k=0; k<256; k++)
if(filters_used[k])
fprintf(STDERR, " Filter %d was used %lu times\n",
- k,filters_used[k]);
+ k,
+ (unsigned long) filters_used[k]);
#endif
#if defined(PNG_TIME_RFC1123_SUPPORTED)
if(tIME_chunk_present != 0)
@@ -1443,7 +1449,7 @@ main(int argc, char *argv[])
while (pinfo != NULL)
{
fprintf(STDERR," %lu bytes at %x\n",
- pinfo->size, (unsigned int)pinfo->pointer);
+ (unsigned long) pinfo->size, (unsigned int)pinfo->pointer);
pinfo = pinfo->next;
}
}
@@ -1483,4 +1489,4 @@ main(int argc, char *argv[])
}
/* Generate a compiler error if there is an old png.h in the search path. */
-typedef version_1_4_0beta6 your_png_h_is_not_version_1_4_0beta6;
+typedef version_1_4_0beta7 your_png_h_is_not_version_1_4_0beta7;
diff --git a/pngtest.png b/pngtest.png
index f3a6df448..3776e6c1e 100644
--- a/pngtest.png
+++ b/pngtest.png
Binary files differ
diff --git a/pngwrite.c b/pngwrite.c
index 9dbf802f3..ebfeb2dff 100644
--- a/pngwrite.c
+++ b/pngwrite.c
@@ -808,11 +808,13 @@ png_write_row(png_structp png_ptr, png_bytep row)
png_ptr->row_info.width);
png_debug1(3, "row_info->color_type = %d\n", png_ptr->row_info.color_type);
- png_debug1(3, "row_info->width = %lu\n", png_ptr->row_info.width);
+ png_debug1(3, "row_info->width = %lu\n",
+ (unsigned long) png_ptr->row_info.width);
png_debug1(3, "row_info->channels = %d\n", png_ptr->row_info.channels);
png_debug1(3, "row_info->bit_depth = %d\n", png_ptr->row_info.bit_depth);
png_debug1(3, "row_info->pixel_depth = %d\n", png_ptr->row_info.pixel_depth);
- png_debug1(3, "row_info->rowbytes = %lu\n", png_ptr->row_info.rowbytes);
+ png_debug1(3, "row_info->rowbytes = %lu\n",
+ (unsigned long) png_ptr->row_info.rowbytes);
/* Copy user's row into buffer, leaving room for filter byte. */
png_memcpy_check(png_ptr, png_ptr->row_buf + 1, row,
diff --git a/pngwutil.c b/pngwutil.c
index 8f9b7f5e9..e02d73899 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -51,6 +51,23 @@ png_save_uint_16(png_bytep buf, unsigned int i)
buf[1] = (png_byte)(i & 0xff);
}
+/* Simple function to write the signature. If we have already written
+ * the magic bytes of the signature, or more likely, the PNG stream is
+ * being embedded into another stream and doesn't need its own signature,
+ * we should call png_set_sig_bytes() to tell libpng how many of the
+ * bytes have already been written.
+ */
+void PNGAPI
+png_write_sig(png_structp png_ptr)
+{
+ png_byte png_signature[8] = {137, 80, 78, 71, 13, 10, 26, 10};
+ /* write the rest of the 8 byte signature */
+ png_write_data(png_ptr, &png_signature[png_ptr->sig_bytes],
+ (png_size_t)8 - png_ptr->sig_bytes);
+ if(png_ptr->sig_bytes < 3)
+ png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE;
+}
+
/* Write a PNG chunk all at once. The type is an array of ASCII characters
* representing the chunk name. The array must be at least 4 bytes in
* length, and does not need to be null terminated. To be safe, pass the
@@ -78,7 +95,8 @@ png_write_chunk_start(png_structp png_ptr, png_bytep chunk_name,
png_uint_32 length)
{
png_byte buf[4];
- png_debug2(0, "Writing %s chunk (%lu bytes)\n", chunk_name, length);
+ png_debug2(0, "Writing %s chunk (%lu bytes)\n", chunk_name,
+ (unsigned long) length);
/* write the length */
png_save_uint_32(buf, length);
@@ -119,23 +137,6 @@ png_write_chunk_end(png_structp png_ptr)
png_write_data(png_ptr, buf, (png_size_t)4);
}
-/* Simple function to write the signature. If we have already written
- * the magic bytes of the signature, or more likely, the PNG stream is
- * being embedded into another stream and doesn't need its own signature,
- * we should call png_set_sig_bytes() to tell libpng how many of the
- * bytes have already been written.
- */
-void /* PRIVATE */
-png_write_sig(png_structp png_ptr)
-{
- png_byte png_signature[8] = {137, 80, 78, 71, 13, 10, 26, 10};
- /* write the rest of the 8 byte signature */
- png_write_data(png_ptr, &png_signature[png_ptr->sig_bytes],
- (png_size_t)8 - png_ptr->sig_bytes);
- if(png_ptr->sig_bytes < 3)
- png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE;
-}
-
#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_iCCP_SUPPORTED)
/*
* This pair of functions encapsulates the operation of (a) compressing a
@@ -990,7 +991,8 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x,
{
png_warning(png_ptr, "Invalid fixed cHRM white point specified");
#if !defined(PNG_NO_CONSOLE_IO)
- fprintf(stderr,"white_x=%ld, white_y=%ld\n",white_x, white_y);
+ fprintf(stderr,"white_x=%ld, white_y=%ld\n",(unsigned long)white_x,
+ (unsigned long)white_y);
#endif
return;
}
@@ -1538,7 +1540,8 @@ png_write_pCAL(png_structp png_ptr, png_charp purpose, png_int_32 X0,
for (i = 0; i < nparams; i++)
{
params_len[i] = png_strlen(params[i]) + (i == nparams - 1 ? 0 : 1);
- png_debug2(3, "pCAL parameter %d length = %lu\n", i, params_len[i]);
+ png_debug2(3, "pCAL parameter %d length = %lu\n", i,
+ (unsigned long) params_len[i]);
total_len += (png_size_t)params_len[i];
}
@@ -1569,28 +1572,24 @@ png_write_pCAL(png_structp png_ptr, png_charp purpose, png_int_32 X0,
/* write the sCAL chunk */
#if defined(PNG_FLOATING_POINT_SUPPORTED) && !defined(PNG_NO_STDIO)
void /* PRIVATE */
-png_write_sCAL(png_structp png_ptr, int unit, double width,double height)
+png_write_sCAL(png_structp png_ptr, int unit, double width, double height)
{
#ifdef PNG_USE_LOCAL_ARRAYS
PNG_sCAL;
#endif
png_size_t total_len;
- char wbuf[32], hbuf[32];
- png_byte bunit = (png_byte)unit;
+ char buf[64];
png_debug(1, "in png_write_sCAL\n");
- png_sprintf(wbuf, "%12.12e", width);
- png_sprintf(hbuf, "%12.12e", height);
- total_len = 1 + png_strlen(wbuf)+1 + png_strlen(hbuf);
+ buf[0] = (char)unit;
- png_debug1(3, "sCAL total length = %d\n", (int)total_len);
- png_write_chunk_start(png_ptr, (png_bytep)png_sCAL, (png_uint_32)total_len);
- png_write_chunk_data(png_ptr, (png_bytep)&bunit, 1);
- png_write_chunk_data(png_ptr, (png_bytep)wbuf, png_strlen(wbuf)+1);
- png_write_chunk_data(png_ptr, (png_bytep)hbuf, png_strlen(hbuf));
-
- png_write_chunk_end(png_ptr);
+ png_sprintf(buf + 1, "%12.12e", width);
+ total_len = 1 + png_strlen(buf + 1) + 1;
+ png_sprintf(buf + total_len, "%12.12e", height);
+ total_len += png_strlen(buf + total_len);
+ png_debug1(3, "sCAL total length = %u\n", (unsigned int)total_len);
+ png_write_chunk(png_ptr, (png_bytep)png_sCAL, (png_bytep)buf, total_len);
}
#else
#ifdef PNG_FIXED_POINT_SUPPORTED
@@ -1601,23 +1600,26 @@ png_write_sCAL_s(png_structp png_ptr, int unit, png_charp width,
#ifdef PNG_USE_LOCAL_ARRAYS
PNG_sCAL;
#endif
- png_size_t total_len;
- char wbuf[32], hbuf[32];
- png_byte bunit = unit;
+ png_byte buf[64];
+ png_size_t wlen, hlen, total_len;
png_debug(1, "in png_write_sCAL_s\n");
- png_strcpy(wbuf,(const char *)width);
- png_strcpy(hbuf,(const char *)height);
- total_len = 1 + png_strlen(wbuf)+1 + png_strlen(hbuf);
+ wlen = png_strlen(width);
+ hlen = png_strlen(height);
+ total_len = wlen + hlen + 2;
+ if (total_len > 64)
+ {
+ png_warning(png_ptr, "Can't write sCAL (buffer too small)");
+ return;
+ }
- png_debug1(3, "sCAL total length = %d\n", total_len);
- png_write_chunk_start(png_ptr, (png_bytep)png_sCAL, (png_uint_32)total_len);
- png_write_chunk_data(png_ptr, (png_bytep)&bunit, 1);
- png_write_chunk_data(png_ptr, (png_bytep)wbuf, png_strlen(wbuf)+1);
- png_write_chunk_data(png_ptr, (png_bytep)hbuf, png_strlen(hbuf));
+ buf[0] = (png_byte)unit;
+ png_memcpy(buf + 1, width, wlen + 1); /* append the '\0' here */
+ png_memcpy(buf + wlen + 2, height, hlen); /* do NOT append the '\0' here */
- png_write_chunk_end(png_ptr);
+ png_debug1(3, "sCAL total length = %u\n", (unsigned int)total_len);
+ png_write_chunk(png_ptr, (png_bytep)png_sCAL, buf, total_len);
}
#endif
#endif
diff --git a/scripts/libpng-config-head.in b/scripts/libpng-config-head.in
index af474061f..fcd982568 100755
--- a/scripts/libpng-config-head.in
+++ b/scripts/libpng-config-head.in
@@ -8,7 +8,7 @@
# Modeled after libxml-config.
-version=1.4.0beta6
+version=1.4.0beta7
prefix=""
libdir=""
libs=""
diff --git a/scripts/libpng.pc.in b/scripts/libpng.pc.in
index aa026c6bd..07838aff3 100644
--- a/scripts/libpng.pc.in
+++ b/scripts/libpng.pc.in
@@ -5,6 +5,6 @@ includedir=@includedir@/libpng14
Name: libpng
Description: Loads and saves PNG files
-Version: 1.4.0beta6
+Version: 1.4.0beta7
Libs: -L${libdir} -lpng14
Cflags: -I${includedir}
diff --git a/scripts/makefile.32sunu b/scripts/makefile.32sunu
index 0fb23399a..6169e710c 100644
--- a/scripts/makefile.32sunu
+++ b/scripts/makefile.32sunu
@@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu
index c50296fb1..b47e8fea9 100644
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.aix b/scripts/makefile.aix
index c502795f1..3280e6728 100644
--- a/scripts/makefile.aix
+++ b/scripts/makefile.aix
@@ -20,7 +20,7 @@ LN_SF = ln -f -s
LIBNAME=libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
prefix=/usr/local
diff --git a/scripts/makefile.beos b/scripts/makefile.beos
index 89f4109ef..4eeb8b7b9 100644
--- a/scripts/makefile.beos
+++ b/scripts/makefile.beos
@@ -8,7 +8,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
@@ -173,7 +173,7 @@ test-dd:
echo Testing installed dynamic shared library in $(DL).
$(CC) -I$(DI) $(CFLAGS) \
`$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -W1,-rpath $(ZLIBLIB):$(DL) \
+ -L$(DL) -L$(ZLIBLIB) -Wl,-rpath $(ZLIBLIB):$(DL) \
-o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
./pngtestd pngtest.png
diff --git a/scripts/makefile.cygwin b/scripts/makefile.cygwin
index 28beb4808..ed7055113 100644
--- a/scripts/makefile.cygwin
+++ b/scripts/makefile.cygwin
@@ -65,7 +65,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME = libpng14
PNGMAJ = 1
CYGDLL = 14
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=cygpng$(CYGDLL).dll
diff --git a/scripts/makefile.darwin b/scripts/makefile.darwin
index e5b5c3036..21e97c585 100644
--- a/scripts/makefile.darwin
+++ b/scripts/makefile.darwin
@@ -19,7 +19,7 @@ ZLIBINC=../zlib
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.dec b/scripts/makefile.dec
index 2c55e2623..e0595a4c3 100644
--- a/scripts/makefile.dec
+++ b/scripts/makefile.dec
@@ -5,7 +5,7 @@
# Library name:
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng14
diff --git a/scripts/makefile.elf b/scripts/makefile.elf
index b56a2ac4c..26ad8ce90 100644
--- a/scripts/makefile.elf
+++ b/scripts/makefile.elf
@@ -12,7 +12,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
@@ -215,7 +215,7 @@ test-dd:
echo Testing installed dynamic shared library in $(DL).
$(CC) -I$(DI) -I$(ZLIBINC) \
`$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -W1, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
+ -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
-o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
./pngtestd pngtest.png
diff --git a/scripts/makefile.gcmmx b/scripts/makefile.gcmmx
index edcaaebd0..df6d6b14a 100644
--- a/scripts/makefile.gcmmx
+++ b/scripts/makefile.gcmmx
@@ -16,7 +16,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
@@ -231,7 +231,7 @@ test-dd:
echo Testing installed dynamic shared library in $(DL).
$(CC) -I$(DI) -I$(ZLIBINC) \
`$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -W1, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
+ -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
-o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
./pngtestd pngtest.png
diff --git a/scripts/makefile.hp64 b/scripts/makefile.hp64
index b68175125..cfda34135 100644
--- a/scripts/makefile.hp64
+++ b/scripts/makefile.hp64
@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.hpgcc b/scripts/makefile.hpgcc
index 02e08a559..4c9a18700 100644
--- a/scripts/makefile.hpgcc
+++ b/scripts/makefile.hpgcc
@@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
@@ -185,7 +185,7 @@ test-dd:
echo Testing installed dynamic shared library in $(DL).
$(CC) -I$(DI) -I$(ZLIBINC) \
`$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -W1,-rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
+ -L$(DL) -L$(ZLIBLIB) -Wl,-rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
-o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
./pngtestd pngtest.png
diff --git a/scripts/makefile.hpux b/scripts/makefile.hpux
index 312d93c19..2f82a3714 100644
--- a/scripts/makefile.hpux
+++ b/scripts/makefile.hpux
@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.linux b/scripts/makefile.linux
index e190fc01c..25c329246 100644
--- a/scripts/makefile.linux
+++ b/scripts/makefile.linux
@@ -6,7 +6,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
@@ -190,7 +190,7 @@ test-dd:
echo Testing installed dynamic shared library in $(DL).
$(CC) -I$(DI) -I$(ZLIBINC) \
`$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -W1, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
+ -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
-o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
./pngtestd pngtest.png
diff --git a/scripts/makefile.mingw b/scripts/makefile.mingw
index 08e654c65..8b8af77b3 100644
--- a/scripts/makefile.mingw
+++ b/scripts/makefile.mingw
@@ -66,7 +66,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME = libpng14
PNGMAJ = 1
MINGDLL = 14
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=libpng$(MINGDLL).dll
diff --git a/scripts/makefile.ne12bsd b/scripts/makefile.ne12bsd
index 46842d951..5a327db8b 100644
--- a/scripts/makefile.ne12bsd
+++ b/scripts/makefile.ne12bsd
@@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng14
LIB= png12
SHLIB_MAJOR= 0
-SHLIB_MINOR= 1.4.0beta6
+SHLIB_MINOR= 1.4.0beta7
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 5ecdf1e5b..c0c5e947a 100644
--- a/scripts/makefile.netbsd
+++ b/scripts/makefile.netbsd
@@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng
LIB= png
SHLIB_MAJOR= 3
-SHLIB_MINOR= 1.4.0beta6
+SHLIB_MINOR= 1.4.0beta7
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 01de6db03..bd8f419ca 100644
--- a/scripts/makefile.openbsd
+++ b/scripts/makefile.openbsd
@@ -8,7 +8,7 @@ LIBDIR= ${PREFIX}/lib
MANDIR= ${PREFIX}/man/cat
SHLIB_MAJOR= 0
-SHLIB_MINOR= 1.4.0beta6
+SHLIB_MINOR= 1.4.0beta7
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 ae754ef51..0302f43e3 100644
--- a/scripts/makefile.sco
+++ b/scripts/makefile.sco
@@ -9,7 +9,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.sggcc b/scripts/makefile.sggcc
index b14063226..f1853e3a1 100644
--- a/scripts/makefile.sggcc
+++ b/scripts/makefile.sggcc
@@ -6,7 +6,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.sgi b/scripts/makefile.sgi
index e1aa4c6a5..d45ce075b 100644
--- a/scripts/makefile.sgi
+++ b/scripts/makefile.sgi
@@ -6,7 +6,7 @@
# Library name:
LIBNAME=libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/makefile.so9 b/scripts/makefile.so9
index 29f7fb21d..278015207 100644
--- a/scripts/makefile.so9
+++ b/scripts/makefile.so9
@@ -8,7 +8,7 @@
# Library name:
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng14
diff --git a/scripts/makefile.solaris b/scripts/makefile.solaris
index 567bd1c04..b165121a0 100644
--- a/scripts/makefile.solaris
+++ b/scripts/makefile.solaris
@@ -8,7 +8,7 @@
# Library name:
LIBNAME = libpng14
PNGMAJ = 1
-PNGMIN = 1.4.0beta6
+PNGMIN = 1.4.0beta7
PNGVER = $(PNGMAJ).$(PNGMIN)
# Shared library names:
diff --git a/scripts/pngos2.def b/scripts/pngos2.def
index ab0df83ef..b3f4106c3 100644
--- a/scripts/pngos2.def
+++ b/scripts/pngos2.def
@@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2
;----------------------------------------
-; Version 1.4.0beta6
+; Version 1.4.0beta7
LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2"
@@ -173,6 +173,7 @@ EXPORTS
png_write_png
png_write_row
png_write_rows
+ png_write_sig
png_read_init_2
png_write_init_2
png_access_version_number
diff --git a/scripts/pngw32.def b/scripts/pngw32.def
index f7583ad90..1fc8f645e 100644
--- a/scripts/pngw32.def
+++ b/scripts/pngw32.def
@@ -5,7 +5,7 @@
LIBRARY
EXPORTS
-;Version 1.4.0beta6
+;Version 1.4.0beta7
png_build_grayscale_palette @1
png_chunk_error @3
png_chunk_warning @4
@@ -221,3 +221,8 @@ EXPORTS
png_save_int_32 @205
png_get_uint_31 @206
png_set_expand_gray_1_2_4_to_8 @207
+; Added at version 1.4.0
+ png_write_sig @208
+; png_benign_error @209
+; png_benign_chunk_error @210
+; png_set_benign_error @211