Imported from libpng-1.2.9beta2.tar

This commit is contained in:
Glenn Randers-Pehrson 2006-02-22 09:19:25 -06:00
parent 9c3ab68145
commit ddfebd35be
72 changed files with 3594 additions and 3526 deletions

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@ -1,18 +1,41 @@
Libpng 1.2.9beta1 - February 21, 2006 Libpng 1.2.9beta2 - February 22, 2006
This is not intended to be a public release. It will be replaced This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version. within a few weeks by a public version or by another test version.
Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
1.2.9beta2.tar.gz
1.2.9beta2.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lp129b02.zip
lp129b02.tar.bz2
Project files
1.2.9beta2-project-netware.zip
1.2.9beta2-project-wince.zip
Other information:
1.2.9beta2-README.txt
1.2.9beta2-KNOWNBUGS.txt
1.2.9beta2-LICENSE.txt
1.2.9beta2-Y2K-compliance.txt
Changes since the last public release (1.2.8): Changes since the last public release (1.2.8):
version 1.2.9beta1 [February 21, 2006] version 1.2.9beta1 [February 21, 2006]
Initialized some structure members in pngwutil.c to avoid gcc-4.0.0 complaints Initialized some structure members in pngwutil.c to avoid gcc-4.0.0 complaints
Revised man page and libpng.txt to make it clear that one should not call
png_read_end or png_write_end after png_read_png or png_write_png.
Updated references to png-mng-implement mailing list.
Fixed an incorrect typecast in pngrutil.c Fixed an incorrect typecast in pngrutil.c
Added PNG_READ_SUPPORTED conditionals for making a write-only library. Added PNG_NO_READ_SUPPORTED conditionals for making a write-only library.
Added PNG_NO_WRITE_INTERLACING_SUPPORTED conditional. Added PNG_NO_WRITE_INTERLACING_SUPPORTED conditional.
Optimized alpha-inversion loops in pngwtran.c Optimized alpha-inversion loops in pngwtran.c
Moved test for nonzero gamma outside of png_build_gamma_table() in pngrtran.c Moved test for nonzero gamma outside of png_build_gamma_table() in pngrtran.c
@ -20,15 +43,32 @@ version 1.2.9beta1 [February 21, 2006]
Make sure num_palette is <= 256 before copying data in png_set_PLTE(). Make sure num_palette is <= 256 before copying data in png_set_PLTE().
Interchanged order of write_swap_alpha and write_invert_alpha transforms. Interchanged order of write_swap_alpha and write_invert_alpha transforms.
Added parentheses in the definition of PNG_LIBPNG_BUILD_TYPE (Cosmin). Added parentheses in the definition of PNG_LIBPNG_BUILD_TYPE (Cosmin).
Optimized zlib window flag (CINFO) in contrib/pngsuite/*.png (Cosmin).
Updated scripts/makefile.bc32 for Borland C++ 5.6 (Cosmin).
Fixed inconsistency in definition of png_default_read_data() Fixed inconsistency in definition of png_default_read_data()
Exported png_get_uint_32, png_save_uint_32, png_get_uint_16, png_save_uint_16, Exported png_get_uint_32, png_save_uint_32, png_get_uint_16, png_save_uint_16,
png_get_int_32, png_save_int_32, png_get_uint_31 (Cosmin). png_get_int_32, png_save_int_32, png_get_uint_31 (Cosmin).
Added parentheses in the definition of PNG_LIBPNG_BUILD_TYPE (Cosmin). Added parentheses in the definition of PNG_LIBPNG_BUILD_TYPE (Cosmin).
Updated scripts/pngos2.def, scripts/pngw32.def (Cosmin).
Added type cast (png_byte) in png_write_sCAL() (Cosmin). Added type cast (png_byte) in png_write_sCAL() (Cosmin).
Fixed scripts/makefile.cygwin (Cosmin). Fixed scripts/makefile.cygwin (Cosmin).
Updated scripts/makefile.bc32 for Borland C++ 5.6 (Cosmin).
Updated scripts/pngos2.def, scripts/pngw32.def (Cosmin).
Updated references to png-mng-implement mailing list.
Revised man page and libpng.txt to make it clear that one should not call
png_read_end or png_write_end after png_read_png or png_write_png.
Optimized zlib window flag (CINFO) in contrib/pngsuite/*.png (Cosmin).
version 1.2.9beta2 [February 22, 2006]
Check for png_rgb_to_gray and png_gray_to_rgb read transformations before
checking for png_read_dither in pngrtran.c
Revise checking of chromaticity limits to accommodate extended RGB
colorspace (John Denker).
Changed line endings in some of the project files to CRLF, even in the
"Unix" tar distributions (Cosmin).
Make png_get_uint_16 and png_write_uint_16 always available (Cosmin).
Updated scripts/pngw32.def and projects/wince/png32ce.def with the
newly exported functions.
Eliminated tarball distributions without a "configure" script.
Updated INSTALL instructions.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

17
CHANGES
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@ -1420,7 +1420,7 @@ version 1.2.9beta1 [February 21, 2006]
png_read_end or png_write_end after png_read_png or png_write_png. png_read_end or png_write_end after png_read_png or png_write_png.
Updated references to png-mng-implement mailing list. Updated references to png-mng-implement mailing list.
Fixed an incorrect typecast in pngrutil.c Fixed an incorrect typecast in pngrutil.c
Added PNG_READ_SUPPORTED conditionals for making a write-only library. Added PNG_NO_READ_SUPPORTED conditional for making a write-only library.
Added PNG_NO_WRITE_INTERLACING_SUPPORTED conditional. Added PNG_NO_WRITE_INTERLACING_SUPPORTED conditional.
Optimized alpha-inversion loops in pngwtran.c Optimized alpha-inversion loops in pngwtran.c
Moved test for nonzero gamma outside of png_build_gamma_table() in pngrtran.c Moved test for nonzero gamma outside of png_build_gamma_table() in pngrtran.c
@ -1433,11 +1433,24 @@ version 1.2.9beta1 [February 21, 2006]
Fixed inconsistency in definition of png_default_read_data() Fixed inconsistency in definition of png_default_read_data()
Exported png_get_uint_32, png_save_uint_32, png_get_uint_16, png_save_uint_16, Exported png_get_uint_32, png_save_uint_32, png_get_uint_16, png_save_uint_16,
png_get_int_32, png_save_int_32, png_get_uint_31 (Cosmin). png_get_int_32, png_save_int_32, png_get_uint_31 (Cosmin).
Added parentheses in the definition of PNG_LIBPNG_BUILD_TYPE (Cosmin).
Updated scripts/pngos2.def, scripts/pngw32.def (Cosmin). Updated scripts/pngos2.def, scripts/pngw32.def (Cosmin).
Added type cast (png_byte) in png_write_sCAL() (Cosmin). Added type cast (png_byte) in png_write_sCAL() (Cosmin).
Fixed scripts/makefile.cygwin (Cosmin). Fixed scripts/makefile.cygwin (Cosmin).
version 1.2.9beta2 [February 22, 2006]
Check for png_rgb_to_gray and png_gray_to_rgb read transformations before
checking for png_read_dither in pngrtran.c
Revise checking of chromaticity limits to accommodate extended RGB
colorspace (John Denker).
Changed line endings in some of the project files to CRLF, even in the
"Unix" tar distributions (Cosmin).
Make png_get_uint_16 and png_write_uint_16 always available (Cosmin).
Updated scripts/pngw32.def and projects/wince/png32ce.def with the
newly exported functions.
Eliminated distributions without the "configure" script.
Updated INSTALL instructions.
version 1.3.0beta1 [future] version 1.3.0beta1 [future]
Enable iTXt support (changes png_struct, thus requires so-number change). Enable iTXt support (changes png_struct, thus requires so-number change).

53
INSTALL
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@ -1,16 +1,34 @@
Installing libpng version 1.2.9beta1 - February 21, 2006 Installing libpng version 1.2.9beta2 - February 22, 2006
Before installing libpng, you must first install zlib. zlib On Unix/Linux and similar systems, you can simply type
can usually be found wherever you got libpng. zlib can be
placed in another directory, at the same level as libpng. ./configure [--prefix=$HOME]
Note that your system might already have a preinstalled make check
zlib, but you will still need to have access to the make install
zlib.h and zconf.h include files that correspond to the
version of zlib that's installed. and ignore the rest of this document.
Or you can use one of the custom-built makefiles in the
"scripts" directory
cp scripts/makefile.system makefile
make test
make install
Or you can use one of the "projects" in the "projects" directory.
Before installing libpng, you must first install zlib, if it
is not already on your system. zlib can usually be found
wherever you got libpng. zlib can be placed in another directory,
at the same level as libpng.
If your system already has a preinstalled zlib you will still need
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 You can rename the directories that you downloaded (they
might be called "libpng-1.2.9beta1" or "lpng109" and "zlib-1.2.1" might be called "libpng-1.2.9beta2" or "lpng109" and "zlib-1.2.1"
or "zlib121") so that you have directories called "zlib" and "libpng". or "zlib121") so that you have directories called "zlib" and "libpng".
Your directory structure should look like this: Your directory structure should look like this:
@ -47,7 +65,6 @@ If the line endings in the files look funny, you may wish to get the other
distribution of libpng. It is available in both tar.gz (UNIX style line distribution of libpng. It is available in both tar.gz (UNIX style line
endings) and zip (DOS style line endings) formats. endings) and zip (DOS style line endings) formats.
If you are building libpng with MSVC, you can enter the If you are building libpng with MSVC, you can enter the
libpng projects\visualc6 directory and follow the instructions in libpng projects\visualc6 directory and follow the instructions in
projects\visualc6\README.txt. projects\visualc6\README.txt.
@ -59,19 +76,19 @@ build libpng for Netware or Beos as instructed in projects\netware.txt
or projects\beos. or projects\beos.
Else enter the zlib directory and follow the instructions in zlib/README, Else enter the zlib directory and follow the instructions in zlib/README,
then come back here and choose the appropriate makefile.sys in the scripts then come back here and run "configure" or choose the appropriate
directory. makefile.sys in the scripts directory.
The files that are presently available in the scripts directory The files that are presently available in the scripts directory
include include
makefile.std => Generic UNIX makefile (cc, creates static libpng.a) makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning, makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng12.so.0.1.2.9beta1) gcc, creates libpng12.so.0.1.2.9beta2)
makefile.linux => Linux/ELF makefile makefile.linux => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.9beta1) (gcc, creates libpng12.so.0.1.2.9beta2)
makefile.gcmmx => Linux/ELF makefile makefile.gcmmx => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.9beta1, (gcc, creates libpng12.so.0.1.2.9beta2,
uses assembler code tuned for Intel MMX platform) uses assembler code tuned for Intel MMX platform)
makefile.gcc => Generic makefile (gcc, creates static libpng.a) makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with makefile.knr => Archaic UNIX Makefile that converts files with
@ -94,12 +111,12 @@ include
makefile.openbsd => OpenBSD makefile makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib) makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc, makefile.sggcc => Silicon Graphics (gcc,
creates libpng12.so.0.1.2.9beta1) creates libpng12.so.0.1.2.9beta2)
makefile.sunos => Sun makefile makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile (gcc, makefile.solaris => Solaris 2.X makefile (gcc,
creates libpng12.so.0.1.2.9beta1) creates libpng12.so.0.1.2.9beta2)
makefile.so9 => Solaris 9 makefile (gcc, makefile.so9 => Solaris 9 makefile (gcc,
creates libpng12.so.0.1.2.9beta1) creates libpng12.so.0.1.2.9beta2)
makefile.32sunu => Sun Ultra 32-bit makefile makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile makefile.64sunu => Sun Ultra 64-bit makefile
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc

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@ -1,5 +1,5 @@
Known bugs in libpng version 1.2.9beta1 Known bugs in libpng version 1.2.9beta2
1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when 1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when
reading interlaced PNG files, when assembler code is enabled but running reading interlaced PNG files, when assembler code is enabled but running

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@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
If you modify libpng you may insert additional notices immediately following If you modify libpng you may insert additional notices immediately following
this sentence. this sentence.
libpng versions 1.2.6, August 15, 2004, through 1.2.9beta1, February 21, 2006, are libpng versions 1.2.6, August 15, 2004, through 1.2.9beta2, February 22, 2006, are
Copyright (c) 2005 Glenn Randers-Pehrson, and are Copyright (c) 2005 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5 distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors with the following individual added to the list of Contributing Authors
@ -106,4 +106,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
February 21, 2006 February 22, 2006

14
README
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@ -1,4 +1,4 @@
README for libpng version 1.2.9beta1 - February 21, 2006 (shared library 12.0) README for libpng version 1.2.9beta2 - February 22, 2006 (shared library 12.0)
See the note about version numbers near the top of png.h See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng. See INSTALL for instructions on how to install libpng.
@ -190,11 +190,11 @@ Files in this distribution:
descrip.mms => VMS makefile for MMS or MMK descrip.mms => VMS makefile for MMS or MMK
makefile.std => Generic UNIX makefile (cc, creates static libpng.a) makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning, makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng12.so.0.1.2.9beta1) gcc, creates libpng12.so.0.1.2.9beta2)
makefile.linux => Linux/ELF makefile makefile.linux => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.9beta1) (gcc, creates libpng12.so.0.1.2.9beta2)
makefile.gcmmx => Linux/ELF makefile makefile.gcmmx => Linux/ELF makefile
(gcc, creates libpng12.so.0.1.2.9beta1, (gcc, creates libpng12.so.0.1.2.9beta2,
uses assembler code tuned for Intel MMX platform) uses assembler code tuned for Intel MMX platform)
makefile.gcc => Generic makefile (gcc, creates static libpng.a) makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with makefile.knr => Archaic UNIX Makefile that converts files with
@ -216,12 +216,12 @@ Files in this distribution:
makefile.openbsd => OpenBSD makefile makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib) makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics makefile.sggcc => Silicon Graphics
(gcc, creates libpng12.so.0.1.2.9beta1) (gcc, creates libpng12.so.0.1.2.9beta2)
makefile.sunos => Sun makefile makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng12.so.0.1.2.9beta1) (gcc, creates libpng12.so.0.1.2.9beta2)
makefile.so9 => Solaris 9 makefile makefile.so9 => Solaris 9 makefile
(gcc, creates libpng12.so.0.1.2.9beta1) (gcc, creates libpng12.so.0.1.2.9beta2)
makefile.32sunu => Sun Ultra 32-bit makefile makefile.32sunu => Sun Ultra 32-bit makefile
makefile.64sunu => Sun Ultra 64-bit makefile makefile.64sunu => Sun Ultra 64-bit makefile
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc

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@ -1,13 +1,13 @@
Y2K compliance in libpng: Y2K compliance in libpng:
========================= =========================
February 21, 2006 February 22, 2006
Since the PNG Development group is an ad-hoc body, we can't make Since the PNG Development group is an ad-hoc body, we can't make
an official declaration. an official declaration.
This is your unofficial assurance that libpng from version 0.71 and This is your unofficial assurance that libpng from version 0.71 and
upward through 1.2.9beta1 are Y2K compliant. It is my belief that earlier upward through 1.2.9beta2 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant. versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer Libpng only has three year fields. One is a 2-byte unsigned integer

20
configure vendored
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@ -1,6 +1,6 @@
#! /bin/sh #! /bin/sh
# Guess values for system-dependent variables and create Makefiles. # Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.57 for libpng 1.2.9beta1-automake. # Generated by GNU Autoconf 2.57 for libpng 1.2.9beta2-automake.
# #
# Report bugs to <png-implement@ccrc.wustl.edu>. # Report bugs to <png-implement@ccrc.wustl.edu>.
# #
@ -427,8 +427,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
# Identity of this package. # Identity of this package.
PACKAGE_NAME='libpng' PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng' PACKAGE_TARNAME='libpng'
PACKAGE_VERSION='1.2.9beta1-automake' PACKAGE_VERSION='1.2.9beta2-automake'
PACKAGE_STRING='libpng 1.2.9beta1-automake' PACKAGE_STRING='libpng 1.2.9beta2-automake'
PACKAGE_BUGREPORT='png-implement@ccrc.wustl.edu' PACKAGE_BUGREPORT='png-implement@ccrc.wustl.edu'
ac_unique_file="pngget.c" ac_unique_file="pngget.c"
@ -938,7 +938,7 @@ if test "$ac_init_help" = "long"; then
# Omit some internal or obsolete options to make the list less imposing. # Omit some internal or obsolete options to make the list less imposing.
# This message is too long to be a string in the A/UX 3.1 sh. # This message is too long to be a string in the A/UX 3.1 sh.
cat <<_ACEOF cat <<_ACEOF
\`configure' configures libpng 1.2.9beta1-automake to adapt to many kinds of systems. \`configure' configures libpng 1.2.9beta2-automake to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]... Usage: $0 [OPTION]... [VAR=VALUE]...
@ -1008,7 +1008,7 @@ fi
if test -n "$ac_init_help"; then if test -n "$ac_init_help"; then
case $ac_init_help in case $ac_init_help in
short | recursive ) echo "Configuration of libpng 1.2.9beta1-automake:";; short | recursive ) echo "Configuration of libpng 1.2.9beta2-automake:";;
esac esac
cat <<\_ACEOF cat <<\_ACEOF
@ -1106,7 +1106,7 @@ fi
test -n "$ac_init_help" && exit 0 test -n "$ac_init_help" && exit 0
if $ac_init_version; then if $ac_init_version; then
cat <<\_ACEOF cat <<\_ACEOF
libpng configure 1.2.9beta1-automake libpng configure 1.2.9beta2-automake
generated by GNU Autoconf 2.57 generated by GNU Autoconf 2.57
Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002 Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
@ -1121,7 +1121,7 @@ cat >&5 <<_ACEOF
This file contains any messages produced by compilers while This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake. running configure, to aid debugging if configure makes a mistake.
It was created by libpng $as_me 1.2.9beta1-automake, which was It was created by libpng $as_me 1.2.9beta2-automake, which was
generated by GNU Autoconf 2.57. Invocation command line was generated by GNU Autoconf 2.57. Invocation command line was
$ $0 $@ $ $0 $@
@ -1721,7 +1721,7 @@ fi
# Define the identity of the package. # Define the identity of the package.
PACKAGE=libpng PACKAGE=libpng
VERSION=1.2.9beta1-automake VERSION=1.2.9beta2-automake
cat >>confdefs.h <<_ACEOF cat >>confdefs.h <<_ACEOF
@ -9673,7 +9673,7 @@ _ASBOX
} >&5 } >&5
cat >&5 <<_CSEOF cat >&5 <<_CSEOF
This file was extended by libpng $as_me 1.2.9beta1-automake, which was This file was extended by libpng $as_me 1.2.9beta2-automake, which was
generated by GNU Autoconf 2.57. Invocation command line was generated by GNU Autoconf 2.57. Invocation command line was
CONFIG_FILES = $CONFIG_FILES CONFIG_FILES = $CONFIG_FILES
@ -9736,7 +9736,7 @@ _ACEOF
cat >>$CONFIG_STATUS <<_ACEOF cat >>$CONFIG_STATUS <<_ACEOF
ac_cs_version="\\ ac_cs_version="\\
libpng config.status 1.2.9beta1-automake libpng config.status 1.2.9beta2-automake
configured by $0, generated by GNU Autoconf 2.57, configured by $0, generated by GNU Autoconf 2.57,
with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\" with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"

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@ -1,5 +1,5 @@
# Process this file with autoconf to produce a configure script. # Process this file with autoconf to produce a configure script.
m4_define(PNGPKG_VERSION,[1.2.9beta1-automake]) m4_define(PNGPKG_VERSION,[1.2.9beta2-automake])
AC_INIT([libpng], PNGPKG_VERSION, png-implement@ccrc.wustl.edu) AC_INIT([libpng], PNGPKG_VERSION, png-implement@ccrc.wustl.edu)
AM_INIT_AUTOMAKE([libpng], PNGPKG_VERSION) AM_INIT_AUTOMAKE([libpng], PNGPKG_VERSION)
AC_CONFIG_SRCDIR([pngget.c]) AC_CONFIG_SRCDIR([pngget.c])

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@ -1,6 +1,6 @@
.TH LIBPNG 3 "February 21, 2006" .TH LIBPNG 3 "February 22, 2006"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.9beta1 libpng \- Portable Network Graphics (PNG) Reference Library 1.2.9beta2
.SH SYNOPSIS .SH SYNOPSIS
\fI\fB \fI\fB
@ -781,7 +781,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
.SH LIBPNG.TXT .SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng libpng.txt - A description on how to use and modify libpng
libpng version 1.2.9beta1 - February 21, 2006 libpng version 1.2.9beta2 - February 22, 2006
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net> <glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson Copyright (c) 1998-2005 Glenn Randers-Pehrson
@ -3685,13 +3685,13 @@ application:
.SH IX. Y2K Compliance in libpng .SH IX. Y2K Compliance in libpng
February 21, 2006 February 22, 2006
Since the PNG Development group is an ad-hoc body, we can't make Since the PNG Development group is an ad-hoc body, we can't make
an official declaration. an official declaration.
This is your unofficial assurance that libpng from version 0.71 and This is your unofficial assurance that libpng from version 0.71 and
upward through 1.2.9beta1 are Y2K compliant. It is my belief that earlier upward through 1.2.9beta2 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant. versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer that Libpng only has three year fields. One is a 2-byte unsigned integer that
@ -3844,7 +3844,7 @@ the first widely used release:
1.2.8rc1-5 13 10208 12.so.0.1.2.8rc1-5 1.2.8rc1-5 13 10208 12.so.0.1.2.8rc1-5
1.0.18 10 10018 12.so.0.1.0.18 1.0.18 10 10018 12.so.0.1.0.18
1.2.8 13 10208 12.so.0.1.2.8 1.2.8 13 10208 12.so.0.1.2.8
1.3.0beta1 14 10300 13.so.0.1.3.0beta1 1.2.9beta1-2 13 10209 12.so.0.1.2.9beta1-2
Henceforth the source version will match the shared-library minor Henceforth the source version will match the shared-library minor
and patch numbers; the shared-library major version number will be and patch numbers; the shared-library major version number will be
@ -3900,7 +3900,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation. Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.2.9beta1 - February 21, 2006: Libpng version 1.2.9beta2 - February 22, 2006:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc. Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net). Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@ -3921,7 +3921,7 @@ included in the libpng distribution, the latter shall prevail.)
If you modify libpng you may insert additional notices immediately following If you modify libpng you may insert additional notices immediately following
this sentence. this sentence.
libpng versions 1.2.6, August 15, 2004, through 1.2.9beta1, February 21, 2006, are libpng versions 1.2.6, August 15, 2004, through 1.2.9beta2, February 22, 2006, are
Copyright (c) 2005 Glenn Randers-Pehrson, and are Copyright (c) 2005 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5 distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors with the following individual added to the list of Contributing Authors
@ -4020,7 +4020,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
February 21, 2006 February 22, 2006
.\" end of man page .\" end of man page

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@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng libpng.txt - A description on how to use and modify libpng
libpng version 1.2.9beta1 - February 21, 2006 libpng version 1.2.9beta2 - February 22, 2006
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net> <glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson Copyright (c) 1998-2005 Glenn Randers-Pehrson
@ -2904,13 +2904,13 @@ application:
IX. Y2K Compliance in libpng IX. Y2K Compliance in libpng
February 21, 2006 February 22, 2006
Since the PNG Development group is an ad-hoc body, we can't make Since the PNG Development group is an ad-hoc body, we can't make
an official declaration. an official declaration.
This is your unofficial assurance that libpng from version 0.71 and This is your unofficial assurance that libpng from version 0.71 and
upward through 1.2.9beta1 are Y2K compliant. It is my belief that earlier upward through 1.2.9beta2 are Y2K compliant. It is my belief that earlier
versions were also Y2K compliant. versions were also Y2K compliant.
Libpng only has three year fields. One is a 2-byte unsigned integer that Libpng only has three year fields. One is a 2-byte unsigned integer that

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@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "February 21, 2006" .TH LIBPNGPF 3 "February 22, 2006"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.9beta1 libpng \- Portable Network Graphics (PNG) Reference Library 1.2.9beta2
(private functions) (private functions)
.SH SYNOPSIS .SH SYNOPSIS
\fB\fB#include <png.h>\fP\fP \fB\fB#include <png.h>\fP\fP

2
png.5
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@ -1,4 +1,4 @@
.TH PNG 5 "February 21, 2006" .TH PNG 5 "February 22, 2006"
.SH NAME .SH NAME
png \- Portable Network Graphics (PNG) format png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION .SH DESCRIPTION

6
png.c
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@ -1,7 +1,7 @@
/* png.c - location for general purpose libpng functions /* png.c - location for general purpose libpng functions
* *
* libpng version 1.2.9beta1 - February 21, 2006 * libpng version 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -13,7 +13,7 @@
#include "png.h" #include "png.h"
/* Generate a compiler error if there is an old png.h in the search path. */ /* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_2_9beta1 Your_png_h_is_not_version_1_2_9beta1; typedef version_1_2_9beta2 Your_png_h_is_not_version_1_2_9beta2;
/* Version information for C files. This had better match the version /* Version information for C files. This had better match the version
* string defined in png.h. */ * string defined in png.h. */
@ -693,7 +693,7 @@ png_charp PNGAPI
png_get_copyright(png_structp png_ptr) png_get_copyright(png_structp png_ptr)
{ {
if (&png_ptr != NULL) /* silence compiler warning about unused png_ptr */ if (&png_ptr != NULL) /* silence compiler warning about unused png_ptr */
return ((png_charp) "\n libpng version 1.2.9beta1 - February 21, 2006\n\ return ((png_charp) "\n libpng version 1.2.9beta2 - February 22, 2006\n\
Copyright (c) 1998-2006 Glenn Randers-Pehrson\n\ Copyright (c) 1998-2006 Glenn Randers-Pehrson\n\
Copyright (c) 1996-1997 Andreas Dilger\n\ Copyright (c) 1996-1997 Andreas Dilger\n\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n"); Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.\n");

20
png.h
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@ -1,6 +1,6 @@
/* png.h - header file for PNG reference library /* png.h - header file for PNG reference library
* *
* libpng version 1.2.9beta1 - February 21, 2006 * libpng version 1.2.9beta2 - February 22, 2006
* Copyright (c) 1998-2005 Glenn Randers-Pehrson * Copyright (c) 1998-2005 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@ -8,7 +8,7 @@
* Authors and maintainers: * Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat * libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger * libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.2.9beta1 - February 21, 2006: Glenn * libpng versions 0.97, January 1998, through 1.2.9beta2 - February 22, 2006: Glenn
* See also "Contributing Authors", below. * See also "Contributing Authors", below.
* *
* Note about libpng version numbers: * Note about libpng version numbers:
@ -111,7 +111,7 @@
* 1.2.8rc1-5 13 10208 12.so.0.1.2.8rc1-5 * 1.2.8rc1-5 13 10208 12.so.0.1.2.8rc1-5
* 1.0.18 10 10018 12.so.0.1.0.18 * 1.0.18 10 10018 12.so.0.1.0.18
* 1.2.8 13 10208 12.so.0.1.2.8 * 1.2.8 13 10208 12.so.0.1.2.8
* 1.3.0beta1 14 10300 13.so.0.1.3.0beta1 * 1.2.9beta1-2 13 10209 12.so.0.1.2.9beta1-2
* *
* Henceforth the source version will match the shared-library major * Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be * and minor numbers; the shared-library major version number will be
@ -141,7 +141,7 @@
* If you modify libpng you may insert additional notices immediately following * If you modify libpng you may insert additional notices immediately following
* this sentence. * this sentence.
* *
* libpng versions 1.2.6, August 15, 2004, through 1.2.9beta1, February 21, 2006, are * libpng versions 1.2.6, August 15, 2004, through 1.2.9beta2, February 22, 2006, are
* Copyright (c) 2005 Glenn Randers-Pehrson, and are * Copyright (c) 2005 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.2.5 * distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors: * with the following individual added to the list of Contributing Authors:
@ -253,13 +253,13 @@
* Y2K compliance in libpng: * Y2K compliance in libpng:
* ========================= * =========================
* *
* February 21, 2006 * February 22, 2006
* *
* Since the PNG Development group is an ad-hoc body, we can't make * Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration. * an official declaration.
* *
* This is your unofficial assurance that libpng from version 0.71 and * This is your unofficial assurance that libpng from version 0.71 and
* upward through 1.2.9beta1 are Y2K compliant. It is my belief that earlier * upward through 1.2.9beta2 are Y2K compliant. It is my belief that earlier
* versions were also Y2K compliant. * versions were also Y2K compliant.
* *
* Libpng only has three year fields. One is a 2-byte unsigned integer * Libpng only has three year fields. One is a 2-byte unsigned integer
@ -315,9 +315,9 @@
*/ */
/* Version information for png.h - this should match the version in png.c */ /* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.2.9beta1" #define PNG_LIBPNG_VER_STRING "1.2.9beta2"
#define PNG_HEADER_VERSION_STRING \ #define PNG_HEADER_VERSION_STRING \
" libpng version 1.2.9beta1 - February 21, 2006 (header)\n" " libpng version 1.2.9beta2 - February 22, 2006 (header)\n"
#define PNG_LIBPNG_VER_SONUM 0 #define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM 13 #define PNG_LIBPNG_VER_DLLNUM 13
@ -329,7 +329,7 @@
/* This should match the numeric part of the final component of /* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */ * PNG_LIBPNG_VER_STRING, omitting any leading zero: */
#define PNG_LIBPNG_VER_BUILD 1 #define PNG_LIBPNG_VER_BUILD 2
/* Release Status */ /* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1 #define PNG_LIBPNG_BUILD_ALPHA 1
@ -1359,7 +1359,7 @@ struct png_struct_def
/* This triggers a compiler error in png.c, if png.c and png.h /* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number. * do not agree upon the version number.
*/ */
typedef png_structp version_1_2_9beta1; typedef png_structp version_1_2_9beta2;
typedef png_struct FAR * FAR * png_structpp; typedef png_struct FAR * FAR * png_structpp;

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@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng /* pngconf.h - machine configurable file for libpng
* *
* libpng version 1.2.9beta1 - February 21, 2006 * libpng version 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2005 Glenn Randers-Pehrson * Copyright (c) 1998-2005 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -1,7 +1,7 @@
/* pngerror.c - stub functions for i/o and memory allocation /* pngerror.c - stub functions for i/o and memory allocation
* *
* libpng version 1.2.9beta1 - February 21, 2006 * libpng version 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -6,7 +6,7 @@
* and http://www.intel.com/drg/pentiumII/appnotes/923/923.htm * and http://www.intel.com/drg/pentiumII/appnotes/923/923.htm
* for Intel's performance analysis of the MMX vs. non-MMX code. * for Intel's performance analysis of the MMX vs. non-MMX code.
* *
* libpng version 1.2.9beta1 - February 21, 2006 * libpng version 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* Copyright (c) 1998, Intel Corporation * Copyright (c) 1998, Intel Corporation

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@ -1,7 +1,7 @@
/* pngget.c - retrieval of values from info struct /* pngget.c - retrieval of values from info struct
* *
* libpng 1.2.9beta1 - February 21, 2006 * libpng 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation /* pngmem.c - stub functions for memory allocation
* *
* libpng version 1.2.9beta1 - February 21, 2006 * libpng version 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -1,7 +1,7 @@
/* pngpread.c - read a png file in push mode /* pngpread.c - read a png file in push mode
* *
* libpng version 1.2.9beta1 - February 21, 2006 * libpng version 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -1,7 +1,7 @@
/* pngread.c - read a PNG file /* pngread.c - read a PNG file
* *
* libpng 1.2.9beta1 - February 21, 2006 * libpng 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -808,7 +808,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
* not called png_set_interlace_handling(), the display_row buffer will * not called png_set_interlace_handling(), the display_row buffer will
* be ignored, so pass NULL to it. * be ignored, so pass NULL to it.
* *
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.9beta1 * [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.9beta2
*/ */
void PNGAPI void PNGAPI
@ -858,7 +858,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row,
* only call this function once. If you desire to have an image for * only call this function once. If you desire to have an image for
* each pass of a interlaced image, use png_read_rows() instead. * each pass of a interlaced image, use png_read_rows() instead.
* *
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.9beta1 * [*] png_handle_alpha() does not exist yet, as of libpng version 1.2.9beta2
*/ */
void PNGAPI void PNGAPI
png_read_image(png_structp png_ptr, png_bytepp image) png_read_image(png_structp png_ptr, png_bytepp image)

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@ -1,7 +1,7 @@
/* pngrio.c - functions for data input /* pngrio.c - functions for data input
* *
* libpng 1.2.9beta1 - February 21, 2006 * libpng 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -1,7 +1,7 @@
/* pngrtran.c - transforms the data in a row for PNG readers /* pngrtran.c - transforms the data in a row for PNG readers
* *
* libpng version 1.2.9beta1 - February 21, 2006 * libpng version 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -1089,6 +1089,16 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr)
info_ptr->bit_depth = 8; info_ptr->bit_depth = 8;
#endif #endif
#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
if (png_ptr->transformations & PNG_GRAY_TO_RGB)
info_ptr->color_type |= PNG_COLOR_MASK_COLOR;
#endif
#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
if (png_ptr->transformations & PNG_RGB_TO_GRAY)
info_ptr->color_type &= ~PNG_COLOR_MASK_COLOR;
#endif
#if defined(PNG_READ_DITHER_SUPPORTED) #if defined(PNG_READ_DITHER_SUPPORTED)
if (png_ptr->transformations & PNG_DITHER) if (png_ptr->transformations & PNG_DITHER)
{ {
@ -1106,16 +1116,6 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr)
info_ptr->bit_depth = 8; info_ptr->bit_depth = 8;
#endif #endif
#if defined(PNG_READ_GRAY_TO_RGB_SUPPORTED)
if (png_ptr->transformations & PNG_GRAY_TO_RGB)
info_ptr->color_type |= PNG_COLOR_MASK_COLOR;
#endif
#if defined(PNG_READ_RGB_TO_GRAY_SUPPORTED)
if (png_ptr->transformations & PNG_RGB_TO_GRAY)
info_ptr->color_type &= ~PNG_COLOR_MASK_COLOR;
#endif
if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)
info_ptr->channels = 1; info_ptr->channels = 1;
else if (info_ptr->color_type & PNG_COLOR_MASK_COLOR) else if (info_ptr->color_type & PNG_COLOR_MASK_COLOR)

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@ -1,6 +1,6 @@
/* pngrutil.c - utilities to read a PNG file /* pngrutil.c - utilities to read a PNG file
* *
* libpng version 1.2.9beta1 - February 21, 2006 * libpng version 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -60,7 +60,6 @@ png_get_uint_32(png_bytep buf)
return (i); return (i);
} }
#if defined(PNG_READ_pCAL_SUPPORTED) || defined(PNG_READ_oFFs_SUPPORTED)
/* Grab a signed 32-bit integer from a buffer in big-endian format. The /* Grab a signed 32-bit integer from a buffer in big-endian format. The
* data is stored in the PNG file in two's complement format, and it is * data is stored in the PNG file in two's complement format, and it is
* assumed that the machine format for signed integers is the same. */ * assumed that the machine format for signed integers is the same. */
@ -74,7 +73,6 @@ png_get_int_32(png_bytep buf)
return (i); return (i);
} }
#endif /* PNG_READ_pCAL_SUPPORTED */
/* Grab an unsigned 16-bit integer from a buffer in big-endian format. */ /* Grab an unsigned 16-bit integer from a buffer in big-endian format. */
png_uint_16 PNGAPI png_uint_16 PNGAPI
@ -779,8 +777,7 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_crc_read(png_ptr, buf, 4); png_crc_read(png_ptr, buf, 4);
uint_y = png_get_uint_32(buf); uint_y = png_get_uint_32(buf);
if (uint_x > 80000L || uint_y > 80000L || if (uint_x + uint_y > 100000L)
uint_x + uint_y > 100000L)
{ {
png_warning(png_ptr, "Invalid cHRM red point"); png_warning(png_ptr, "Invalid cHRM red point");
png_crc_finish(png_ptr, 16); png_crc_finish(png_ptr, 16);
@ -795,8 +792,7 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_crc_read(png_ptr, buf, 4); png_crc_read(png_ptr, buf, 4);
uint_y = png_get_uint_32(buf); uint_y = png_get_uint_32(buf);
if (uint_x > 80000L || uint_y > 80000L || if (uint_x + uint_y > 100000L)
uint_x + uint_y > 100000L)
{ {
png_warning(png_ptr, "Invalid cHRM green point"); png_warning(png_ptr, "Invalid cHRM green point");
png_crc_finish(png_ptr, 8); png_crc_finish(png_ptr, 8);
@ -811,8 +807,7 @@ png_handle_cHRM(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_crc_read(png_ptr, buf, 4); png_crc_read(png_ptr, buf, 4);
uint_y = png_get_uint_32(buf); uint_y = png_get_uint_32(buf);
if (uint_x > 80000L || uint_y > 80000L || if (uint_x + uint_y > 100000L)
uint_x + uint_y > 100000L)
{ {
png_warning(png_ptr, "Invalid cHRM blue point"); png_warning(png_ptr, "Invalid cHRM blue point");
png_crc_finish(png_ptr, 0); png_crc_finish(png_ptr, 0);

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@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct /* pngset.c - storage of image information into info struct
* *
* libpng 1.2.9beta1 - February 21, 2006 * libpng 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -1,7 +1,7 @@
/* pngtest.c - a simple test program to test libpng /* pngtest.c - a simple test program to test libpng
* *
* libpng 1.2.9beta1 - February 21, 2006 * libpng 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -1551,4 +1551,4 @@ main(int argc, char *argv[])
} }
/* Generate a compiler error if there is an old png.h in the search path. */ /* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_2_9beta1 your_png_h_is_not_version_1_2_9beta1; typedef version_1_2_9beta2 your_png_h_is_not_version_1_2_9beta2;

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@ -1,7 +1,7 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers) /* pngtrans.c - transforms the data in a row (used by both readers and writers)
* *
* libpng 1.2.9beta1 - February 21, 2006 * libpng 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -2,7 +2,7 @@
* *
* For Intel x86 CPU and Microsoft Visual C++ compiler * For Intel x86 CPU and Microsoft Visual C++ compiler
* *
* libpng version 1.2.9beta1 - February 21, 2006 * libpng version 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* Copyright (c) 1998, Intel Corporation * Copyright (c) 1998, Intel Corporation

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@ -1,7 +1,7 @@
/* pngwio.c - functions for data output /* pngwio.c - functions for data output
* *
* libpng 1.2.9beta1 - February 21, 2006 * libpng 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -1,7 +1,7 @@
/* pngwrite.c - general routines to write a PNG file /* pngwrite.c - general routines to write a PNG file
* *
* libpng 1.2.9beta1 - February 21, 2006 * libpng 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -1,7 +1,7 @@
/* pngwtran.c - transforms the data in a row for PNG writers /* pngwtran.c - transforms the data in a row for PNG writers
* *
* libpng version 1.2.9beta1 - February 21, 2006 * libpng version 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file /* pngwutil.c - utilities to write a PNG file
* *
* libpng version 1.2.9beta1 - February 21, 2006 * libpng version 1.2.9beta2 - February 22, 2006
* For conditions of distribution and use, see copyright notice in png.h * For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2006 Glenn Randers-Pehrson * Copyright (c) 1998-2006 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -25,7 +25,6 @@ png_save_uint_32(png_bytep buf, png_uint_32 i)
buf[3] = (png_byte)(i & 0xff); buf[3] = (png_byte)(i & 0xff);
} }
#if defined(PNG_WRITE_pCAL_SUPPORTED) || defined(PNG_WRITE_oFFs_SUPPORTED)
/* The png_save_int_32 function assumes integers are stored in two's /* The png_save_int_32 function assumes integers are stored in two's
* complement format. If this isn't the case, then this routine needs to * complement format. If this isn't the case, then this routine needs to
* be modified to write data in two's complement format. * be modified to write data in two's complement format.
@ -38,7 +37,6 @@ png_save_int_32(png_bytep buf, png_int_32 i)
buf[2] = (png_byte)((i >> 8) & 0xff); buf[2] = (png_byte)((i >> 8) & 0xff);
buf[3] = (png_byte)(i & 0xff); buf[3] = (png_byte)(i & 0xff);
} }
#endif
/* Place a 16-bit number into a buffer in PNG byte order. /* Place a 16-bit number into a buffer in PNG byte order.
* The parameter is declared unsigned int, not png_uint_16, * The parameter is declared unsigned int, not png_uint_16,
@ -939,8 +937,7 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y,
itemp = (png_uint_32)(white_y * 100000.0 + 0.5); itemp = (png_uint_32)(white_y * 100000.0 + 0.5);
png_save_uint_32(buf + 4, itemp); png_save_uint_32(buf + 4, itemp);
if (red_x < 0 || red_x > 0.8 || red_y < 0 || red_y > 0.8 || if (red_x < 0 || red_y < 0 || red_x + red_y > 1.0)
red_x + red_y > 1.0)
{ {
png_warning(png_ptr, "Invalid cHRM red point specified"); png_warning(png_ptr, "Invalid cHRM red point specified");
return; return;
@ -950,8 +947,7 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y,
itemp = (png_uint_32)(red_y * 100000.0 + 0.5); itemp = (png_uint_32)(red_y * 100000.0 + 0.5);
png_save_uint_32(buf + 12, itemp); png_save_uint_32(buf + 12, itemp);
if (green_x < 0 || green_x > 0.8 || green_y < 0 || green_y > 0.8 || if (green_x < 0 || green_y < 0 || green_x + green_y > 1.0)
green_x + green_y > 1.0)
{ {
png_warning(png_ptr, "Invalid cHRM green point specified"); png_warning(png_ptr, "Invalid cHRM green point specified");
return; return;
@ -961,8 +957,7 @@ png_write_cHRM(png_structp png_ptr, double white_x, double white_y,
itemp = (png_uint_32)(green_y * 100000.0 + 0.5); itemp = (png_uint_32)(green_y * 100000.0 + 0.5);
png_save_uint_32(buf + 20, itemp); png_save_uint_32(buf + 20, itemp);
if (blue_x < 0 || blue_x > 0.8 || blue_y < 0 || blue_y > 0.8 || if (blue_x < 0 || blue_y < 0 || blue_x + blue_y > 1.0)
blue_x + blue_y > 1.0)
{ {
png_warning(png_ptr, "Invalid cHRM blue point specified"); png_warning(png_ptr, "Invalid cHRM blue point specified");
return; return;
@ -1000,7 +995,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x,
png_save_uint_32(buf, (png_uint_32)white_x); png_save_uint_32(buf, (png_uint_32)white_x);
png_save_uint_32(buf + 4, (png_uint_32)white_y); png_save_uint_32(buf + 4, (png_uint_32)white_y);
if (red_x > 80000L || red_y > 80000L || red_x + red_y > 100000L) if (red_x + red_y > 100000L)
{ {
png_warning(png_ptr, "Invalid cHRM fixed red point specified"); png_warning(png_ptr, "Invalid cHRM fixed red point specified");
return; return;
@ -1008,7 +1003,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x,
png_save_uint_32(buf + 8, (png_uint_32)red_x); png_save_uint_32(buf + 8, (png_uint_32)red_x);
png_save_uint_32(buf + 12, (png_uint_32)red_y); png_save_uint_32(buf + 12, (png_uint_32)red_y);
if (green_x > 80000L || green_y > 80000L || green_x + green_y > 100000L) if (green_x + green_y > 100000L)
{ {
png_warning(png_ptr, "Invalid fixed cHRM green point specified"); png_warning(png_ptr, "Invalid fixed cHRM green point specified");
return; return;
@ -1016,7 +1011,7 @@ png_write_cHRM_fixed(png_structp png_ptr, png_fixed_point white_x,
png_save_uint_32(buf + 16, (png_uint_32)green_x); png_save_uint_32(buf + 16, (png_uint_32)green_x);
png_save_uint_32(buf + 20, (png_uint_32)green_y); png_save_uint_32(buf + 20, (png_uint_32)green_y);
if (blue_x > 80000L || blue_y > 80000L || blue_x + blue_y > 100000L) if (blue_x + blue_y > 100000L)
{ {
png_warning(png_ptr, "Invalid fixed cHRM blue point specified"); png_warning(png_ptr, "Invalid fixed cHRM blue point specified");
return; return;

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@ -8,7 +8,7 @@
# Modeled after libxml-config. # Modeled after libxml-config.
version=1.2.9beta1 version=1.2.9beta2
prefix="" prefix=""
libdir="" libdir=""
libs="" libs=""

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@ -6,6 +6,6 @@ includedir=${exec_prefix}/include
Name: libpng12 Name: libpng12
Description: Loads and saves PNG files Description: Loads and saves PNG files
Version: 1.2.9beta1 Version: 1.2.9beta2
Libs: -L${libdir} -lpng12 -lz -lm Libs: -L${libdir} -lpng12 -lz -lm
Cflags: -I${includedir}/libpng12 Cflags: -I${includedir}/libpng12

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@ -33,7 +33,7 @@ RANLIB=echo
LIBNAME=libpng12 LIBNAME=libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
INCPATH=$(prefix)/include INCPATH=$(prefix)/include

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@ -33,7 +33,7 @@ RANLIB=echo
LIBNAME=libpng12 LIBNAME=libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
INCPATH=$(prefix)/include INCPATH=$(prefix)/include

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@ -18,7 +18,7 @@ RM = rm -f
LIBNAME=libpng12 LIBNAME=libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
prefix=/usr/local prefix=/usr/local

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@ -12,7 +12,7 @@ ZLIBLIB=/usr/local/lib
ZLIBINC=/usr/local/include ZLIBINC=/usr/local/include
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
ALIGN= ALIGN=

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@ -79,7 +79,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
CYGDLL = 12 CYGDLL = 12
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
SHAREDLIB=cygpng$(CYGDLL).dll SHAREDLIB=cygpng$(CYGDLL).dll

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@ -23,7 +23,7 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz
RANLIB=ranlib RANLIB=ranlib
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12 LIBNAME = libpng12

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@ -32,7 +32,7 @@ ZLIBLIB=../zlib
ZLIBINC=../zlib ZLIBINC=../zlib
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12 LIBNAME = libpng12

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@ -15,7 +15,7 @@
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
CC=gcc CC=gcc

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@ -27,7 +27,7 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
RANLIB=ranlib RANLIB=ranlib
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12 LIBNAME = libpng12

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@ -41,7 +41,7 @@ RANLIB=ranlib
#RANLIB=echo #RANLIB=echo
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12 LIBNAME = libpng12

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@ -24,7 +24,7 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
RANLIB=ranlib RANLIB=ranlib
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12 LIBNAME = libpng12

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@ -5,7 +5,7 @@
LIBNAME = libpng12 LIBNAME = libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
CC=gcc CC=gcc

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@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng12
LIB= png12 LIB= png12
SHLIB_MAJOR= 0 SHLIB_MAJOR= 0
SHLIB_MINOR= 1.2.9beta1 SHLIB_MINOR= 1.2.9beta2
SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c pngwtran.c pngmem.c pngerror.c pngpread.c

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@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng
LIB= png LIB= png
SHLIB_MAJOR= 3 SHLIB_MAJOR= 3
SHLIB_MINOR= 1.2.9beta1 SHLIB_MINOR= 1.2.9beta2
SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \ SRCS= pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c \
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \ pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c \
pngwtran.c pngmem.c pngerror.c pngpread.c pngwtran.c pngmem.c pngerror.c pngpread.c

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@ -7,7 +7,7 @@ LIBDIR= ${PREFIX}/lib
MANDIR= ${PREFIX}/man/cat MANDIR= ${PREFIX}/man/cat
SHLIB_MAJOR= 0 SHLIB_MAJOR= 0
SHLIB_MINOR= 1.2.9beta1 SHLIB_MINOR= 1.2.9beta2
LIB= png LIB= png
SRCS= png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \ SRCS= png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c \

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@ -24,7 +24,7 @@ LDFLAGS=-L. -L$(ZLIBLIB) -lpng12 -lz -lm
RANLIB=echo RANLIB=echo
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12 LIBNAME = libpng12

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@ -18,7 +18,7 @@ ZLIBINC=../zlib
LIBNAME=libpng12 LIBNAME=libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
CC=gcc CC=gcc

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@ -5,7 +5,7 @@
LIBNAME=libpng12 LIBNAME=libpng12
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
# Where make install puts libpng.a, libpng12.so, and libpng12/png.h # Where make install puts libpng.a, libpng12.so, and libpng12/png.h

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@ -34,7 +34,7 @@ LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
RANLIB=echo RANLIB=echo
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12 LIBNAME = libpng12

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@ -30,7 +30,7 @@ LDFLAGS=-L. -R. -L$(ZLIBLIB) -R$(ZLIBLIB) -lpng12 -lz -lm
RANLIB=echo RANLIB=echo
PNGMAJ = 0 PNGMAJ = 0
PNGMIN = 1.2.9beta1 PNGMIN = 1.2.9beta2
PNGVER = $(PNGMAJ).$(PNGMIN) PNGVER = $(PNGMAJ).$(PNGMIN)
LIBNAME = libpng12 LIBNAME = libpng12

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@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2 ; PNG.LIB module definition file for OS/2
;---------------------------------------- ;----------------------------------------
; Version 1.2.9beta1 ; Version 1.2.9beta2
LIBRARY PNG LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2" DESCRIPTION "PNG image compression library for OS/2"

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@ -5,7 +5,7 @@
LIBRARY LIBRARY
EXPORTS EXPORTS
;Version 1.2.9beta1 ;Version 1.2.9beta2
png_build_grayscale_palette @1 png_build_grayscale_palette @1
png_check_sig @2 png_check_sig @2
png_chunk_error @3 png_chunk_error @3
@ -224,3 +224,11 @@ EXPORTS
png_set_user_limits @198 png_set_user_limits @198
; Added at version 1.2.7 ; Added at version 1.2.7
png_set_add_alpha @199 png_set_add_alpha @199
; Added at version 1.2.9
png_get_uint_32 @200
png_save_uint_32 @201
png_get_uint_16 @202
png_save_uint_16 @203
png_get_int_32 @204
png_save_int_32 @205
png_get_uint_31 @206