[master] Imported from libpng-1.4.3beta05.tar

This commit is contained in:
Glenn Randers-Pehrson 2010-06-19 19:22:26 -05:00
parent 188eb6b426
commit 5ad9884ff1
33 changed files with 397 additions and 152 deletions

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@ -1,5 +1,5 @@
Libpng 1.4.3beta04 - June 19, 2010
Libpng 1.4.3beta05 - June 20, 2010
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.
@ -9,20 +9,20 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
1.4.3beta04.tar.xz (LZMA-compressed, recommended)
1.4.3beta04.tar.gz
1.4.3beta04.tar.bz2
1.4.3beta05.tar.xz (LZMA-compressed, recommended)
1.4.3beta05.tar.gz
1.4.3beta05.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lp143b04.zip
lp143b04.7z
lp143b05.zip
lp143b05.7z
Other information:
1.4.3beta04-README.txt
1.4.3beta04-LICENSE.txt
1.4.3beta05-README.txt
1.4.3beta05-LICENSE.txt
Changes since the last public release (1.4.2):
@ -41,6 +41,11 @@ version 1.4.3beta04 [June 19, 2010]
In pngpread.c: png_push_process_row() add check for too many rows.
Removed the checks added in beta01 and beta03, as they are now redundant.
version 1.4.3beta05 [June 20, 2010]
Rewrote png_process_IDAT_data to consistently treat extra data as warnings
and handle end conditions more cleanly.
Removed the new (beta04) check in png_push_process_row().
Send comments/corrections/commendations to glennrp at users.sourceforge.net
or to png-mng-implement at lists.sf.net (subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement).

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@ -2584,13 +2584,17 @@ version 1.4.3beta01 [June 18, 2010]
version 1.4.3beta02 [June 18, 2010]
Removed the now-redundant check for out-of-bounds new_row from example.c
version 1.4.3beta03 [June 19, 2010]
version 1.4.3beta03 [June 18, 2010]
In pngpread.c: png_push_finish_row() add check for too many rows.
version 1.4.3beta04 [June 19, 2010]
In pngpread.c: png_push_process_row() add check for too many rows.
Removed the checks added in beta01 and beta03, as they are now redundant.
version 1.4.3beta05 [June 20, 2010]
Rewrote png_process_IDAT_data to consistently treat extra data as warnings
and handle end conditions more cleanly.
Removed the new (beta04) check in png_push_process_row().
Send comments/corrections/commendations to glennrp at users.sourceforge.net
or to png-mng-implement at lists.sf.net (subscription required; visit

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@ -213,7 +213,7 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
# SET UP LINKS
if(PNG_SHARED)
set_target_properties(${PNG_LIB_NAME} PROPERTIES
# VERSION 14.${PNGLIB_RELEASE}.1.4.3beta04
# VERSION 14.${PNGLIB_RELEASE}.1.4.3beta05
VERSION 14.${PNGLIB_RELEASE}.0
SOVERSION 14
CLEAN_DIRECT_OUTPUT 1)

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@ -1,5 +1,5 @@
Installing libpng version 1.4.3beta04 - June 19, 2010
Installing libpng version 1.4.3beta05 - June 20, 2010
On Unix/Linux and similar systems, you can simply type
@ -46,7 +46,7 @@ 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-1.4.3beta04" or "libpng14" and "zlib-1.2.3"
might be called "libpng-1.4.3beta05" or "libpng14" and "zlib-1.2.3"
or "zlib123") so that you have directories called "zlib" and "libpng".
Your directory structure should look like this:

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@ -10,7 +10,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.4.3beta04, June 19, 2010, are
libpng versions 1.2.6, August 15, 2004, through 1.4.3beta05, June 20, 2010, are
Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
@ -108,4 +108,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
June 19, 2010
June 20, 2010

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@ -73,7 +73,7 @@ EXTRA_DIST= \
${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \
$(TESTS) \
example.c libpng-1.4.3beta04.txt
example.c libpng-1.4.3beta05.txt
CLEANFILES= pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \
libpng.sym

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@ -333,7 +333,7 @@ EXTRA_DIST = \
${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \
$(TESTS) \
example.c libpng-1.4.3beta04.txt
example.c libpng-1.4.3beta05.txt
CLEANFILES = pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \
libpng.sym

12
README
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@ -1,4 +1,4 @@
README for libpng version 1.4.3beta04 - June 19, 2010 (shared library 14.0)
README for libpng version 1.4.3beta05 - June 20, 2010 (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.
@ -185,9 +185,9 @@ Files in this distribution:
makefile.std => Generic UNIX makefile (cc, creates static
libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng14.so.14.1.4.3beta04)
gcc, creates libpng14.so.14.1.4.3beta05)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.14.1.4.3beta04)
(gcc, creates libpng14.so.14.1.4.3beta05)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
ansi2knr (Requires ansi2knr.c from
@ -209,12 +209,12 @@ 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.14.1.4.3beta04)
(gcc, creates libpng14.so.14.1.4.3beta05)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng14.so.14.1.4.3beta04)
(gcc, creates libpng14.so.14.1.4.3beta05)
makefile.so9 => Solaris 9 makefile
(gcc, creates libpng14.so.14.1.4.3beta04)
(gcc, creates libpng14.so.14.1.4.3beta05)
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

22
configure vendored
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@ -1,6 +1,6 @@
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.65 for libpng 1.4.3beta04.
# Generated by GNU Autoconf 2.65 for libpng 1.4.3beta05.
#
# Report bugs to <png-mng-implement@lists.sourceforge.net>.
#
@ -701,8 +701,8 @@ MAKEFLAGS=
# Identity of this package.
PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng'
PACKAGE_VERSION='1.4.3beta04'
PACKAGE_STRING='libpng 1.4.3beta04'
PACKAGE_VERSION='1.4.3beta05'
PACKAGE_STRING='libpng 1.4.3beta05'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
PACKAGE_URL=''
@ -1432,7 +1432,7 @@ 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 1.4.3beta04 to adapt to many kinds of systems.
\`configure' configures libpng 1.4.3beta05 to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
@ -1502,7 +1502,7 @@ fi
if test -n "$ac_init_help"; then
case $ac_init_help in
short | recursive ) echo "Configuration of libpng 1.4.3beta04:";;
short | recursive ) echo "Configuration of libpng 1.4.3beta05:";;
esac
cat <<\_ACEOF
@ -1607,7 +1607,7 @@ fi
test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
cat <<\_ACEOF
libpng configure 1.4.3beta04
libpng configure 1.4.3beta05
generated by GNU Autoconf 2.65
Copyright (C) 2009 Free Software Foundation, Inc.
@ -2032,7 +2032,7 @@ cat >config.log <<_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 1.4.3beta04, which was
It was created by libpng $as_me 1.4.3beta05, which was
generated by GNU Autoconf 2.65. Invocation command line was
$ $0 $@
@ -2840,7 +2840,7 @@ fi
# Define the identity of the package.
PACKAGE='libpng'
VERSION='1.4.3beta04'
VERSION='1.4.3beta05'
cat >>confdefs.h <<_ACEOF
@ -2904,7 +2904,7 @@ fi
PNGLIB_VERSION=1.4.3beta04
PNGLIB_VERSION=1.4.3beta05
PNGLIB_MAJOR=1
PNGLIB_MINOR=4
PNGLIB_RELEASE=3
@ -12032,7 +12032,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# report actual input values of CONFIG_FILES etc. instead of their
# values after options handling.
ac_log="
This file was extended by libpng $as_me 1.4.3beta04, which was
This file was extended by libpng $as_me 1.4.3beta05, which was
generated by GNU Autoconf 2.65. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
@ -12098,7 +12098,7 @@ _ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
ac_cs_version="\\
libpng config.status 1.4.3beta04
libpng config.status 1.4.3beta05
configured by $0, generated by GNU Autoconf 2.65,
with options \\"\$ac_cs_config\\"

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@ -18,12 +18,12 @@ AC_PREREQ(2.59)
dnl Version number stuff here:
AC_INIT([libpng], [1.4.3beta04], [png-mng-implement@lists.sourceforge.net])
AC_INIT([libpng], [1.4.3beta05], [png-mng-implement@lists.sourceforge.net])
AM_INIT_AUTOMAKE
dnl stop configure from automagically running automake
AM_MAINTAINER_MODE
PNGLIB_VERSION=1.4.3beta04
PNGLIB_VERSION=1.4.3beta05
PNGLIB_MAJOR=1
PNGLIB_MINOR=4
PNGLIB_RELEASE=3

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@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng
libpng version 1.4.3beta04 - June 19, 2010
libpng version 1.4.3beta05 - June 20, 2010
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -11,7 +11,7 @@ libpng.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.4.3beta04 - June 19, 2010
libpng versions 0.97, January 1998, through 1.4.3beta05 - June 20, 2010
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -903,7 +903,7 @@ things.
As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was
added. It expands the sample depth without changing tRNS to alpha.
As of libpng version 1.4.3beta04, not all possible expansions are supported.
As of libpng version 1.4.3beta05, not all possible expansions are supported.
In the following table, the 01 means grayscale with depth<8, 31 means
indexed with depth<8, other numerals represent the color type, "T" means
@ -3297,13 +3297,13 @@ Other rules can be inferred by inspecting the libpng source.
XIII. Y2K Compliance in libpng
June 19, 2010
June 20, 2010
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 1.4.3beta04 are Y2K compliant. It is my belief that earlier
upward through 1.4.3beta05 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

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@ -1,6 +1,6 @@
.TH LIBPNG 3 "June 19, 2010"
.TH LIBPNG 3 "June 20, 2010"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.3beta04
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.3beta05
.SH SYNOPSIS
\fI\fB
@ -785,7 +785,7 @@ 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 1.4.3beta04 - June 19, 2010
libpng version 1.4.3beta05 - June 20, 2010
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -796,7 +796,7 @@ libpng.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.4.3beta04 - June 19, 2010
libpng versions 0.97, January 1998, through 1.4.3beta05 - June 20, 2010
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -1688,7 +1688,7 @@ things.
As of libpng version 1.2.9, png_set_expand_gray_1_2_4_to_8() was
added. It expands the sample depth without changing tRNS to alpha.
As of libpng version 1.4.3beta04, not all possible expansions are supported.
As of libpng version 1.4.3beta05, not all possible expansions are supported.
In the following table, the 01 means grayscale with depth<8, 31 means
indexed with depth<8, other numerals represent the color type, "T" means
@ -4082,13 +4082,13 @@ Other rules can be inferred by inspecting the libpng source.
.SH XIII. Y2K Compliance in libpng
June 19, 2010
June 20, 2010
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 1.4.3beta04 are Y2K compliant. It is my belief that earlier
upward through 1.4.3beta05 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
@ -4269,7 +4269,7 @@ the first widely used release:
1.4.2beta01 14 10402 14.so.14.2[.0]
1.4.2rc02-06 14 10402 14.so.14.2[.0]
1.4.2 14 10402 14.so.14.2[.0]
1.4.3beta01-04 14 10403 14.so.14.3[.0]
1.4.3beta01-05 14 10403 14.so.14.3[.0]
Henceforth the source version will match the shared-library minor
and patch numbers; the shared-library major version number will be
@ -4325,7 +4325,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.4.3beta04 - June 19, 2010:
Libpng version 1.4.3beta05 - June 20, 2010:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@ -4348,7 +4348,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.4.3beta04, June 19, 2010, are
libpng versions 1.2.6, August 15, 2004, through 1.4.3beta05, June 20, 2010, are
Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
@ -4447,7 +4447,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
June 19, 2010
June 20, 2010
.\" end of man page

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@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "June 19, 2010"
.TH LIBPNGPF 3 "June 20, 2010"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.3beta04
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.3beta05
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP

204
new_push_process_row.c Normal file
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@ -0,0 +1,204 @@
void /* PRIVATE */
png_push_process_row(png_structp png_ptr)
{
png_ptr->row_info.color_type = png_ptr->color_type;
png_ptr->row_info.width = png_ptr->iwidth;
png_ptr->row_info.channels = png_ptr->channels;
png_ptr->row_info.bit_depth = png_ptr->bit_depth;
png_ptr->row_info.pixel_depth = png_ptr->pixel_depth;
png_ptr->row_info.rowbytes = PNG_ROWBYTES(png_ptr->row_info.pixel_depth,
png_ptr->row_info.width);
png_read_filter_row(png_ptr, &(png_ptr->row_info),
png_ptr->row_buf + 1, png_ptr->prev_row + 1,
(int)(png_ptr->row_buf[0]));
png_memcpy(png_ptr->prev_row, png_ptr->row_buf, png_ptr->rowbytes + 1);
if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA))
png_do_read_transformations(png_ptr);
#ifdef PNG_READ_INTERLACING_SUPPORTED
/* Blow up interlaced rows to full size */
if (png_ptr->interlaced && (png_ptr->transformations & PNG_INTERLACE))
{
if (png_ptr->pass < 6)
/* old interface (pre-1.0.9):
png_do_read_interlace(&(png_ptr->row_info),
png_ptr->row_buf + 1, png_ptr->pass, png_ptr->transformations);
*/
png_do_read_interlace(png_ptr);
switch (png_ptr->pass)
{
case 0:
{
int i;
for (i = 0; i < 8 && png_ptr->pass == 0; i++)
{
png_push_have_row(png_ptr, png_ptr->row_buf + 1);
png_read_push_finish_row(png_ptr); /* Updates png_ptr->pass */
}
if (png_ptr->pass == 2) /* Pass 1 might be empty */
{
for (i = 0; i < 4 && png_ptr->pass == 2; i++)
{
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
}
if (png_ptr->pass == 4 && png_ptr->height <= 4)
{
for (i = 0; i < 2 && png_ptr->pass == 4; i++)
{
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
}
if (png_ptr->pass == 6 && png_ptr->height <= 4)
{
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
break;
}
case 1:
{
int i;
for (i = 0; i < 8 && png_ptr->pass == 1; i++)
{
png_push_have_row(png_ptr, png_ptr->row_buf + 1);
png_read_push_finish_row(png_ptr);
}
if (png_ptr->pass == 2) /* Skip top 4 generated rows */
{
for (i = 0; i < 4 && png_ptr->pass == 2; i++)
{
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
}
break;
}
case 2:
{
int i;
for (i = 0; i < 4 && png_ptr->pass == 2; i++)
{
png_push_have_row(png_ptr, png_ptr->row_buf + 1);
png_read_push_finish_row(png_ptr);
}
for (i = 0; i < 4 && png_ptr->pass == 2; i++)
{
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
if (png_ptr->pass == 4) /* Pass 3 might be empty */
{
for (i = 0; i < 2 && png_ptr->pass == 4; i++)
{
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
}
break;
}
case 3:
{
int i;
for (i = 0; i < 4 && png_ptr->pass == 3; i++)
{
png_push_have_row(png_ptr, png_ptr->row_buf + 1);
png_read_push_finish_row(png_ptr);
}
if (png_ptr->pass == 4) /* Skip top two generated rows */
{
for (i = 0; i < 2 && png_ptr->pass == 4; i++)
{
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
}
break;
}
case 4:
{
int i;
for (i = 0; i < 2 && png_ptr->pass == 4; i++)
{
png_push_have_row(png_ptr, png_ptr->row_buf + 1);
png_read_push_finish_row(png_ptr);
}
for (i = 0; i < 2 && png_ptr->pass == 4; i++)
{
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
if (png_ptr->pass == 6) /* Pass 5 might be empty */
{
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
break;
}
case 5:
{
int i;
for (i = 0; i < 2 && png_ptr->pass == 5; i++)
{
png_push_have_row(png_ptr, png_ptr->row_buf + 1);
png_read_push_finish_row(png_ptr);
}
if (png_ptr->pass == 6) /* Skip top generated row */
{
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
break;
}
case 6:
{
png_push_have_row(png_ptr, png_ptr->row_buf + 1);
png_read_push_finish_row(png_ptr);
if (png_ptr->pass != 6)
break;
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
}
}
else
#endif
{
png_push_have_row(png_ptr, png_ptr->row_buf + 1);
png_read_push_finish_row(png_ptr);
}
}

2
png.5
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@ -1,4 +1,4 @@
.TH PNG 5 "June 19, 2010"
.TH PNG 5 "June 20, 2010"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION

6
png.c
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@ -17,7 +17,7 @@
#include "pngpriv.h"
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_4_3beta04 Your_png_h_is_not_version_1_4_3beta04;
typedef version_1_4_3beta05 Your_png_h_is_not_version_1_4_3beta05;
/* Version information for C files. This had better match the version
* string defined in png.h.
@ -551,13 +551,13 @@ png_get_copyright(png_structp png_ptr)
#else
#ifdef __STDC__
return ((png_charp) PNG_STRING_NEWLINE \
"libpng version 1.4.3beta04 - June 19, 2010" PNG_STRING_NEWLINE \
"libpng version 1.4.3beta05 - June 20, 2010" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2010 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE);
#else
return ((png_charp) "libpng version 1.4.3beta04 - June 19, 2010\
return ((png_charp) "libpng version 1.4.3beta05 - June 20, 2010\
Copyright (c) 1998-2010 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.");

20
png.h
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@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.4.3beta04 - June 19, 2010
* libpng version 1.4.3beta05 - June 20, 2010
* Copyright (c) 1998-2010 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.)
@ -11,7 +11,7 @@
* 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 1.4.3beta04 - June 19, 2010: Glenn
* libpng versions 0.97, January 1998, through 1.4.3beta05 - June 20, 2010: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@ -142,7 +142,7 @@
* 1.4.2beta01 14 10402 14.so.14.2[.0]
* 1.4.2rc02-06 14 10402 14.so.14.2[.0]
* 1.4.2 14 10402 14.so.14.2[.0]
* 1.4.3beta01-04 14 10403 14.so.14.3[.0]
* 1.4.3beta01-05 14 10403 14.so.14.3[.0]
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@ -174,7 +174,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.2.6, August 15, 2004, through 1.4.3beta04, June 19, 2010, are
* libpng versions 1.2.6, August 15, 2004, through 1.4.3beta05, June 20, 2010, are
* Copyright (c) 2004, 2006-2010 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:
@ -286,13 +286,13 @@
* Y2K compliance in libpng:
* =========================
*
* June 19, 2010
* June 20, 2010
*
* 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 1.4.3beta04 are Y2K compliant. It is my belief that earlier
* upward through 1.4.3beta05 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
@ -348,9 +348,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.4.3beta04"
#define PNG_LIBPNG_VER_STRING "1.4.3beta05"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.4.3beta04 - June 19, 2010\n"
" libpng version 1.4.3beta05 - June 20, 2010\n"
#define PNG_LIBPNG_VER_SONUM 14
#define PNG_LIBPNG_VER_DLLNUM 14
@ -363,7 +363,7 @@
* PNG_LIBPNG_VER_STRING, omitting any leading zero:
*/
#define PNG_LIBPNG_VER_BUILD 04
#define PNG_LIBPNG_VER_BUILD 05
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
@ -1472,7 +1472,7 @@ 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_3beta04;
typedef png_structp version_1_4_3beta05;
typedef png_struct FAR * FAR * png_structpp;

View File

@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
* libpng version 1.4.3beta04 - June 19, 2010
* libpng version 1.4.3beta05 - June 20, 2010
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

View File

@ -1,7 +1,7 @@
/* pngpread.c - read a png file in push mode
*
* Last changed in libpng 1.4.3 [June 19, 2010]
* Last changed in libpng 1.4.3 [June 20, 2010]
* Copyright (c) 1998-2010 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.)
@ -779,8 +779,7 @@ png_push_read_IDAT(png_structp png_ptr)
png_calculate_crc(png_ptr, png_ptr->save_buffer_ptr, save_size);
if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
png_process_IDAT_data(png_ptr, png_ptr->save_buffer_ptr, save_size);
png_process_IDAT_data(png_ptr, png_ptr->save_buffer_ptr, save_size);
png_ptr->idat_size -= save_size;
png_ptr->buffer_size -= save_size;
@ -803,8 +802,8 @@ png_push_read_IDAT(png_structp png_ptr)
save_size = png_ptr->current_buffer_size;
png_calculate_crc(png_ptr, png_ptr->current_buffer_ptr, save_size);
if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
png_process_IDAT_data(png_ptr, png_ptr->current_buffer_ptr, save_size);
png_process_IDAT_data(png_ptr, png_ptr->current_buffer_ptr, save_size);
png_ptr->idat_size -= save_size;
png_ptr->buffer_size -= save_size;
@ -829,73 +828,106 @@ void /* PRIVATE */
png_process_IDAT_data(png_structp png_ptr, png_bytep buffer,
png_size_t buffer_length)
{
int ret;
if ((png_ptr->flags & PNG_FLAG_ZLIB_FINISHED) && buffer_length)
png_benign_error(png_ptr, "Extra compression data");
/* The caller checks for a non-zero buffer length. */
if (!(buffer_length > 0) || buffer == 0)
png_error(png_ptr, "No IDAT data (internal error)");
/* This routine must process all the data it has been given
* before returning, calling the row callback as required to
* handle the uncomrpessed results.
*/
png_ptr->zstream.next_in = buffer;
png_ptr->zstream.avail_in = (uInt)buffer_length;
for (;;)
/* Keep going until the decompressed data is all processed
* or the stream marked as finished.
*/
while (png_ptr->zstream.avail_in > 0 &&
!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
{
ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH);
if (ret != Z_OK)
int ret;
/* We have data for zlib, but we must check that zlib
* has somewhere to put the results. It doesn't matter
* if we don't expect any results - it may be the input
* data is just the LZ end code.
*/
if (!(png_ptr->zstream.avail_out > 0))
{
if (ret == Z_STREAM_END)
{
if (png_ptr->zstream.avail_in)
png_benign_error(png_ptr, "Extra compressed data");
if (!(png_ptr->zstream.avail_out))
{
png_push_process_row(png_ptr);
}
png_ptr->mode |= PNG_AFTER_IDAT;
png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
break;
}
else if (ret == Z_BUF_ERROR)
break;
else
png_error(png_ptr, "Decompression Error");
}
if (!(png_ptr->zstream.avail_out))
{
if ((
#ifdef PNG_READ_INTERLACING_SUPPORTED
png_ptr->interlaced && png_ptr->pass > 6) ||
(!png_ptr->interlaced &&
#endif
png_ptr->row_number == png_ptr->num_rows))
{
if (png_ptr->zstream.avail_in)
png_warning(png_ptr, "Too much data in IDAT chunks");
png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
break;
}
png_push_process_row(png_ptr);
png_ptr->zstream.avail_out =
(uInt) PNG_ROWBYTES(png_ptr->pixel_depth,
png_ptr->iwidth) + 1;
png_ptr->zstream.next_out = png_ptr->row_buf;
}
else
break;
/* Using Z_SYNC_FLUSH here means that an unterminated
* LZ stream can still be handled (a stream with a missing
* end code), otherwise (Z_NO_FLUSH) a future zlib
* implementation might defer output and, therefore,
* change the current behavior. (See comments in inflate.c
* for why this doesn't happen at present with zlib 1.2.5.)
*/
ret = inflate(&png_ptr->zstream, Z_SYNC_FLUSH);
/* Check for any failure before proceeding. */
if (ret != Z_OK && ret != Z_STREAM_END)
{
/* Terminate the decompression. */
png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
/* This may be a truncated stream (missing or
* damaged end code). Treat that as a warning.
*/
if (png_ptr->row_number >= png_ptr->num_rows ||
png_ptr->pass > 6)
png_warning(png_ptr, "Truncated compressed data");
else
png_error(png_ptr, "Decompression error");
/* Skip the check on unprocessed input */
return;
}
/* Did inflate output any data? */
if (png_ptr->zstream.next_out != png_ptr->row_buf)
{
/* Is this unexpected data after the last row?
* If it is, artificially terminate the LZ output
* here.
*/
if (png_ptr->row_number >= png_ptr->num_rows ||
png_ptr->pass > 6)
{
/* Extra data. */
png_warning(png_ptr, "Extra compressed data");
png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
/* Do not more proecessing, skip the unprocessed
* input check below.
*/
return;
}
/* Do we have a complete row? */
if (png_ptr->zstream.avail_out == 0)
png_push_process_row(png_ptr);
/* And check for the end of the stream. */
if (ret == Z_STREAM_END)
png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
}
}
/* All the data should have been processed, if anything
* is left at this point we have bytes of IDAT data
* after the zlib end code.
*/
if (png_ptr->zstream.avail_in > 0)
png_warning(png_ptr, "Extra compression data");
}
void /* PRIVATE */
png_push_process_row(png_structp png_ptr)
{
if (png_ptr->row_number >= png_ptr->num_rows)
{
png_benign_error(png_ptr, "Extra row in image");
return;
}
png_ptr->row_info.color_type = png_ptr->color_type;
png_ptr->row_info.width = png_ptr->iwidth;
png_ptr->row_info.channels = png_ptr->channels;
@ -906,8 +938,8 @@ png_push_process_row(png_structp png_ptr)
png_ptr->row_info.width);
png_read_filter_row(png_ptr, &(png_ptr->row_info),
png_ptr->row_buf + 1, png_ptr->prev_row + 1,
(int)(png_ptr->row_buf[0]));
png_ptr->row_buf + 1, png_ptr->prev_row + 1,
(int)(png_ptr->row_buf[0]));
png_memcpy(png_ptr->prev_row, png_ptr->row_buf, png_ptr->rowbytes + 1);
@ -921,7 +953,7 @@ png_push_process_row(png_structp png_ptr)
if (png_ptr->pass < 6)
/* old interface (pre-1.0.9):
png_do_read_interlace(&(png_ptr->row_info),
png_ptr->row_buf + 1, png_ptr->pass, png_ptr->transformations);
png_ptr->row_buf + 1, png_ptr->pass, png_ptr->transformations);
*/
png_do_read_interlace(png_ptr);
@ -956,7 +988,7 @@ png_push_process_row(png_structp png_ptr)
if (png_ptr->pass == 6 && png_ptr->height <= 4)
{
png_push_have_row(png_ptr, NULL);
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
@ -996,7 +1028,7 @@ png_push_process_row(png_structp png_ptr)
for (i = 0; i < 4 && png_ptr->pass == 2; i++)
{
png_push_have_row(png_ptr, NULL);
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
@ -1046,13 +1078,13 @@ png_push_process_row(png_structp png_ptr)
for (i = 0; i < 2 && png_ptr->pass == 4; i++)
{
png_push_have_row(png_ptr, NULL);
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
if (png_ptr->pass == 6) /* Pass 5 might be empty */
{
png_push_have_row(png_ptr, NULL);
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
@ -1071,7 +1103,7 @@ png_push_process_row(png_structp png_ptr)
if (png_ptr->pass == 6) /* Skip top generated row */
{
png_push_have_row(png_ptr, NULL);
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
@ -1085,7 +1117,7 @@ png_push_process_row(png_structp png_ptr)
if (png_ptr->pass != 6)
break;
png_push_have_row(png_ptr, NULL);
png_push_have_row(png_ptr, NULL);
png_read_push_finish_row(png_ptr);
}
}

View File

@ -1,7 +1,7 @@
/* pngpriv.h - private declarations for use inside libpng
*
* libpng version 1.4.3beta04 - June 19, 2010
* libpng version 1.4.3beta05 - June 20, 2010
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

View File

@ -1627,4 +1627,4 @@ main(int argc, char *argv[])
}
/* Generate a compiler error if there is an old png.h in the search path. */
typedef version_1_4_3beta04 your_png_h_is_not_version_1_4_3beta04;
typedef version_1_4_3beta05 your_png_h_is_not_version_1_4_3beta05;

View File

@ -1,7 +1,7 @@
VisualStudio instructions
libpng version 1.4.3beta04 - June 19, 2010
libpng version 1.4.3beta05 - June 20, 2010
Copyright (c) 1998-2010 Glenn Randers-Pehrson

View File

@ -2,7 +2,7 @@
<!--
* zlib.props - location of zlib source and build
*
* libpng version 1.4.3beta04 - June 19, 2010
* libpng version 1.4.3beta05 - June 20, 2010
*
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
*

View File

@ -226,7 +226,7 @@
COPY_PHASE_STRIP = NO;
DYLIB_COMPATIBILITY_VERSION = 14;
DYLIB_CURRENT_VERSION = 14;
FRAMEWORK_VERSION = 1.4.3beta04;
FRAMEWORK_VERSION = 1.4.3beta05;
GCC_PRECOMPILE_PREFIX_HEADER = NO;
GCC_PREFIX_HEADER = "";
INFOPLIST_FILE = Info.plist;
@ -244,7 +244,7 @@
buildSettings = {
DYLIB_COMPATIBILITY_VERSION = 14;
DYLIB_CURRENT_VERSION = 14;
FRAMEWORK_VERSION = 1.4.3beta04;
FRAMEWORK_VERSION = 1.4.3beta05;
GCC_PRECOMPILE_PREFIX_HEADER = NO;
GCC_PREFIX_HEADER = "";
INFOPLIST_FILE = Info.plist;

View File

@ -1,8 +1,8 @@
Makefiles for libpng version 1.4.3beta04 - June 19, 2010
Makefiles for libpng version 1.4.3beta05 - June 20, 2010
makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.14.1.4.3beta04)
(gcc, creates libpng14.so.14.1.4.3beta05)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
ansi2knr (Requires ansi2knr.c from
@ -20,7 +20,7 @@ Makefiles for libpng version 1.4.3beta04 - June 19, 2010
makefile.dec => DEC Alpha UNIX makefile
makefile.dj2 => DJGPP 2 makefile
makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng14.so.14.1.4.3beta04)
gcc, creates libpng14.so.14.1.4.3beta05)
makefile.freebsd => FreeBSD makefile
makefile.gcc => Generic gcc makefile
makefile.hpgcc => HPUX makefile using gcc
@ -36,12 +36,12 @@ Makefiles for libpng version 1.4.3beta04 - June 19, 2010
makefile.os2 => OS/2 Makefile (gcc and emx, requires pngos2.def)
makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
makefile.sggcc => Silicon Graphics (gcc,
creates libpng14.so.14.1.4.3beta04)
creates libpng14.so.14.1.4.3beta05)
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.solaris => Solaris 2.X makefile (gcc,
creates libpng14.so.14.1.4.3beta04)
creates libpng14.so.14.1.4.3beta05)
makefile.so9 => Solaris 9 makefile (gcc,
creates libpng14.so.14.1.4.3beta04)
creates libpng14.so.14.1.4.3beta05)
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.sunos => Sun makefile
makefile.32sunu => Sun Ultra 32-bit makefile

View File

@ -11,7 +11,7 @@
# Modeled after libxml-config.
version=1.4.3beta04
version=1.4.3beta05
prefix=""
libdir=""
libs=""

View File

@ -5,6 +5,6 @@ includedir=@includedir@/libpng14
Name: libpng
Description: Loads and saves PNG files
Version: 1.4.3beta04
Version: 1.4.3beta05
Libs: -L${libdir} -lpng14
Cflags: -I${includedir}

View File

@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng14
LIB= png14
SHLIB_MAJOR= 0
SHLIB_MINOR= 1.4.3beta04
SHLIB_MINOR= 1.4.3beta05
SRCS= 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

View File

@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include
LIB= png
SHLIB_MAJOR= 3
SHLIB_MINOR= 1.4.3beta04
SHLIB_MINOR= 1.4.3beta05
SRCS= 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

View File

@ -11,7 +11,7 @@ LIBDIR= ${PREFIX}/lib
MANDIR= ${PREFIX}/man/cat
SHLIB_MAJOR= 0
SHLIB_MINOR= 1.4.3beta04
SHLIB_MINOR= 1.4.3beta05
LIB= png
SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \

View File

@ -15,7 +15,7 @@ LIBRARY lpngce
png_get_int_32
EXPORTS
;Version 1.4.3beta04
;Version 1.4.3beta05
png_build_grayscale_palette @1
; png_check_sig @2
png_chunk_error @3

View File

@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2
;----------------------------------------
; Version 1.4.3beta04
; Version 1.4.3beta05
LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2"

View File

@ -5,7 +5,7 @@
LIBRARY
EXPORTS
;Version 1.4.3beta04
;Version 1.4.3beta05
png_build_grayscale_palette
png_chunk_error
png_chunk_warning