[master] Imported from libpng-1.4.3.tar
26
ANNOUNCE
@ -1,34 +1,36 @@
|
||||
|
||||
Libpng 1.4.3beta01 - May 17, 2010
|
||||
Libpng 1.4.3 - June 26, 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.
|
||||
This is a public release of libpng, intended for use in production codes.
|
||||
|
||||
Files available for download:
|
||||
|
||||
Source files with LF line endings (for Unix/Linux) and with a
|
||||
"configure" script
|
||||
|
||||
1.4.3beta01.tar.xz (LZMA-compressed, recommended)
|
||||
1.4.3beta01.tar.gz
|
||||
1.4.3beta01.tar.bz2
|
||||
libpng-1.4.3.tar.xz (LZMA-compressed, recommended)
|
||||
libpng-1.4.3.tar.gz
|
||||
libpng-1.4.3.tar.bz2
|
||||
|
||||
Source files with CRLF line endings (for Windows), without the
|
||||
"configure" script
|
||||
|
||||
lp143b01.zip
|
||||
lp143b01.7z
|
||||
lpng143.zip
|
||||
lpng143.7z
|
||||
|
||||
Other information:
|
||||
|
||||
1.4.3beta01-README.txt
|
||||
1.4.3beta01-LICENSE.txt
|
||||
libpng-1.4.3-README.txt
|
||||
libpng-1.4.3-LICENSE.txt
|
||||
|
||||
Changes since the last public release (1.4.2):
|
||||
|
||||
version 1.4.3beta01 [May 17, 2010]
|
||||
Added missing quotation marks in the aix block of configure.ac
|
||||
The new "vstudio" project was missing from the zip and 7z distributions.
|
||||
Rewrote png_process_IDAT_data to consistently treat extra data as warnings
|
||||
and handle end conditions more cleanly.
|
||||
Removed the now-redundant check for out-of-bounds new_row from example.c
|
||||
Changed char *msg to PNG_CONST char *msg in pngrutil.c
|
||||
Stop memory leak when reading a malformed sCAL chunk.
|
||||
|
||||
Send comments/corrections/commendations to glennrp at users.sourceforge.net
|
||||
or to png-mng-implement at lists.sf.net (subscription required; visit
|
||||
|
36
CHANGES
@ -1672,7 +1672,7 @@ version 1.2.15rc2 [December 21, 2006]
|
||||
Added scripts/makefile.nommx
|
||||
|
||||
version 1.2.15rc3 [December 25, 2006]
|
||||
Fixed shared library numbering error that was intruduced in 1.2.15beta6.
|
||||
Fixed shared library numbering error that was introduced in 1.2.15beta6.
|
||||
|
||||
version 1.2.15rc4 [December 27, 2006]
|
||||
Fixed handling of rgb_to_gray when png_ptr->color.gray isn't set.
|
||||
@ -2125,7 +2125,7 @@ version 1.4.0beta57 [May 2, 2009]
|
||||
Removed pngprefs.h and MMX from makefiles
|
||||
|
||||
version 1.4.0beta58 [May 14, 2009]
|
||||
Changed pngw32.def to pngwin.def in makefile.mingw (typo was intruduced
|
||||
Changed pngw32.def to pngwin.def in makefile.mingw (typo was introduced
|
||||
in beta57).
|
||||
Clarified usage of sig_bit versus sig_bit_p in example.c (Vincent Torri)
|
||||
|
||||
@ -2576,9 +2576,39 @@ version 1.4.2rc06 [May 3, 2010]
|
||||
|
||||
version 1.4.2 [May 6, 2010]
|
||||
|
||||
version 1.4.3beta01 [May 17, 2010]
|
||||
version 1.4.3beta01 [June 18, 2010]
|
||||
Added missing quotation marks in the aix block of configure.ac
|
||||
The new "vstudio" project was missing from the zip and 7z distributions.
|
||||
In pngpread.c: png_push_have_row() add check for new_row > height
|
||||
|
||||
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 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().
|
||||
|
||||
version 1.4.3rc01 [June 21, 2010]
|
||||
Revised some comments in png_process_IDAT_data().
|
||||
|
||||
version 1.4.3rc02 [June 22, 2010]
|
||||
Changed char *msg to PNG_CONST char *msg in pngrutil.c
|
||||
Stop memory leak when reading a malformed sCAL chunk.
|
||||
Removed some trailing blanks.
|
||||
|
||||
version 1.4.3rc03 [June 23, 2010]
|
||||
Revised pngpread.c patch of beta05 to avoid an endless loop.
|
||||
|
||||
version 1.4.3 [June 26, 2010]
|
||||
Updated some of the "last changed" dates.
|
||||
|
||||
Send comments/corrections/commendations to glennrp at users.sourceforge.net
|
||||
or to png-mng-implement at lists.sf.net (subscription required; visit
|
||||
|
@ -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.${PNGLIB_RELEASE}.1.4.3beta01
|
||||
# VERSION 14.${PNGLIB_RELEASE}.1.4.3
|
||||
VERSION 14.${PNGLIB_RELEASE}.0
|
||||
SOVERSION 14
|
||||
CLEAN_DIRECT_OUTPUT 1)
|
||||
|
4
INSTALL
@ -1,5 +1,5 @@
|
||||
|
||||
Installing libpng version 1.4.3beta01 - May 14, 2010
|
||||
Installing libpng version 1.4.3 - June 26, 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-1.4.3beta01" or "libpng14" and "zlib-1.2.3"
|
||||
might be called "libpng-1.4.3" 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:
|
||||
|
4
LICENSE
@ -10,7 +10,7 @@ this sentence.
|
||||
|
||||
This code is released under the libpng license.
|
||||
|
||||
libpng versions 1.2.6, August 15, 2004, through 1.4.3beta01, May 14, 2010, are
|
||||
libpng versions 1.2.6, August 15, 2004, through 1.4.3, June 26, 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
|
||||
May 14, 2010
|
||||
June 26, 2010
|
||||
|
@ -73,7 +73,7 @@ EXTRA_DIST= \
|
||||
${srcdir}/contrib/pngsuite/* \
|
||||
${srcdir}/contrib/visupng/* \
|
||||
$(TESTS) \
|
||||
example.c libpng-1.4.3beta01.txt
|
||||
example.c libpng-1.4.3.txt
|
||||
|
||||
CLEANFILES= pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \
|
||||
libpng.sym
|
||||
|
@ -333,7 +333,7 @@ EXTRA_DIST = \
|
||||
${srcdir}/contrib/pngsuite/* \
|
||||
${srcdir}/contrib/visupng/* \
|
||||
$(TESTS) \
|
||||
example.c libpng-1.4.3beta01.txt
|
||||
example.c libpng-1.4.3.txt
|
||||
|
||||
CLEANFILES = pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \
|
||||
libpng.sym
|
||||
|
12
README
@ -1,4 +1,4 @@
|
||||
README for libpng version 1.4.3beta01 - May 14, 2010 (shared library 14.0)
|
||||
README for libpng version 1.4.3 - June 26, 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.14.1.4.3beta01)
|
||||
gcc, creates libpng14.so.14.1.4.3)
|
||||
makefile.linux => Linux/ELF makefile
|
||||
(gcc, creates libpng14.so.14.1.4.3beta01)
|
||||
(gcc, creates libpng14.so.14.1.4.3)
|
||||
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.14.1.4.3beta01)
|
||||
(gcc, creates libpng14.so.14.1.4.3)
|
||||
makefile.sunos => Sun makefile
|
||||
makefile.solaris => Solaris 2.X makefile
|
||||
(gcc, creates libpng14.so.14.1.4.3beta01)
|
||||
(gcc, creates libpng14.so.14.1.4.3)
|
||||
makefile.so9 => Solaris 9 makefile
|
||||
(gcc, creates libpng14.so.14.1.4.3beta01)
|
||||
(gcc, creates libpng14.so.14.1.4.3)
|
||||
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
@ -1,6 +1,6 @@
|
||||
#! /bin/sh
|
||||
# Guess values for system-dependent variables and create Makefiles.
|
||||
# Generated by GNU Autoconf 2.65 for libpng 1.4.3beta01.
|
||||
# Generated by GNU Autoconf 2.65 for libpng 1.4.3.
|
||||
#
|
||||
# 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='1.4.3beta01'
|
||||
PACKAGE_STRING='libpng 1.4.3beta01'
|
||||
PACKAGE_VERSION='1.4.3'
|
||||
PACKAGE_STRING='libpng 1.4.3'
|
||||
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 1.4.3beta01 to adapt to many kinds of systems.
|
||||
\`configure' configures libpng 1.4.3 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 $ac_init_help in
|
||||
short | recursive ) echo "Configuration of libpng 1.4.3beta01:";;
|
||||
short | recursive ) echo "Configuration of libpng 1.4.3:";;
|
||||
esac
|
||||
cat <<\_ACEOF
|
||||
|
||||
@ -1607,7 +1607,7 @@ fi
|
||||
test -n "$ac_init_help" && exit $ac_status
|
||||
if $ac_init_version; then
|
||||
cat <<\_ACEOF
|
||||
libpng configure 1.4.3beta01
|
||||
libpng configure 1.4.3
|
||||
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 1.4.3beta01, which was
|
||||
It was created by libpng $as_me 1.4.3, which was
|
||||
generated by GNU Autoconf 2.65. Invocation command line was
|
||||
|
||||
$ $0 $@
|
||||
@ -2840,7 +2840,7 @@ fi
|
||||
|
||||
# Define the identity of the package.
|
||||
PACKAGE='libpng'
|
||||
VERSION='1.4.3beta01'
|
||||
VERSION='1.4.3'
|
||||
|
||||
|
||||
cat >>confdefs.h <<_ACEOF
|
||||
@ -2904,7 +2904,7 @@ fi
|
||||
|
||||
|
||||
|
||||
PNGLIB_VERSION=1.4.3beta01
|
||||
PNGLIB_VERSION=1.4.3
|
||||
PNGLIB_MAJOR=1
|
||||
PNGLIB_MINOR=4
|
||||
PNGLIB_RELEASE=3
|
||||
@ -12032,7 +12032,7 @@ cat >>$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 1.4.3beta01, which was
|
||||
This file was extended by libpng $as_me 1.4.3, 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 1.4.3beta01
|
||||
libpng config.status 1.4.3
|
||||
configured by $0, generated by GNU Autoconf 2.65,
|
||||
with options \\"\$ac_cs_config\\"
|
||||
|
||||
|
@ -18,12 +18,12 @@ AC_PREREQ(2.59)
|
||||
|
||||
dnl Version number stuff here:
|
||||
|
||||
AC_INIT([libpng], [1.4.3beta01], [png-mng-implement@lists.sourceforge.net])
|
||||
AC_INIT([libpng], [1.4.3], [png-mng-implement@lists.sourceforge.net])
|
||||
AM_INIT_AUTOMAKE
|
||||
dnl stop configure from automagically running automake
|
||||
AM_MAINTAINER_MODE
|
||||
|
||||
PNGLIB_VERSION=1.4.3beta01
|
||||
PNGLIB_VERSION=1.4.3
|
||||
PNGLIB_MAJOR=1
|
||||
PNGLIB_MINOR=4
|
||||
PNGLIB_RELEASE=3
|
||||
|
BIN
contrib/pngsuite/ftbbn1g04.png
Normal file
After Width: | Height: | Size: 429 B |
BIN
contrib/pngsuite/ftbbn2c16.png
Normal file
After Width: | Height: | Size: 2.0 KiB |
BIN
contrib/pngsuite/ftbbn3p08.png
Normal file
After Width: | Height: | Size: 1.5 KiB |
BIN
contrib/pngsuite/ftbgn2c16.png
Normal file
After Width: | Height: | Size: 2.0 KiB |
BIN
contrib/pngsuite/ftbgn3p08.png
Normal file
After Width: | Height: | Size: 1.5 KiB |
BIN
contrib/pngsuite/ftbrn2c08.png
Normal file
After Width: | Height: | Size: 1.6 KiB |
BIN
contrib/pngsuite/ftbwn1g16.png
Normal file
After Width: | Height: | Size: 1.3 KiB |
BIN
contrib/pngsuite/ftbwn3p08.png
Normal file
After Width: | Height: | Size: 1.5 KiB |
BIN
contrib/pngsuite/ftbyn3p08.png
Normal file
After Width: | Height: | Size: 1.5 KiB |
BIN
contrib/pngsuite/ftp0n1g08.png
Normal file
After Width: | Height: | Size: 719 B |
BIN
contrib/pngsuite/ftp0n2c08.png
Normal file
After Width: | Height: | Size: 1.6 KiB |
BIN
contrib/pngsuite/ftp0n3p08.png
Normal file
After Width: | Height: | Size: 1.4 KiB |
BIN
contrib/pngsuite/ftp1n3p08.png
Normal file
After Width: | Height: | Size: 1.4 KiB |
23
example.c
@ -512,20 +512,17 @@ row_callback(png_structp png_ptr, png_bytep new_row,
|
||||
* shown below:
|
||||
*/
|
||||
|
||||
/* Check if row_num is in bounds. */
|
||||
if ((row_num >= 0) && (row_num < height))
|
||||
{
|
||||
/* Get pointer to corresponding row in our
|
||||
* PNG read buffer.
|
||||
*/
|
||||
png_bytep old_row = ((png_bytep *)our_data)[row_num];
|
||||
/* Get pointer to corresponding row in our
|
||||
* PNG read buffer.
|
||||
*/
|
||||
png_bytep old_row = ((png_bytep *)our_data)[row_num];
|
||||
|
||||
/* If both rows are allocated then copy the new row
|
||||
* data to the corresponding row data.
|
||||
*/
|
||||
if ((old_row != NULL) && (new_row != NULL))
|
||||
png_progressive_combine_row(png_ptr, old_row, new_row);
|
||||
|
||||
/* If both rows are allocated then copy the new row
|
||||
* data to the corresponding row data.
|
||||
*/
|
||||
if ((old_row != NULL) && (new_row != NULL))
|
||||
png_progressive_combine_row(png_ptr, old_row, new_row);
|
||||
}
|
||||
/*
|
||||
* The rows and passes are called in order, so you don't really
|
||||
* need the row_num and pass, but I'm supplying them because it
|
||||
|
@ -1,6 +1,6 @@
|
||||
libpng.txt - A description on how to use and modify libpng
|
||||
|
||||
libpng version 1.4.3beta01 - May 14, 2010
|
||||
libpng version 1.4.3 - June 26, 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 1.4.3beta01 - May 14, 2010
|
||||
libpng versions 0.97, January 1998, through 1.4.3 - June 26, 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 1.4.3beta01, not all possible expansions are supported.
|
||||
As of libpng version 1.4.3, 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
|
||||
|
||||
May 14, 2010
|
||||
June 26, 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 1.4.3beta01 are Y2K compliant. It is my belief that earlier
|
||||
upward through 1.4.3 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
|
24
libpng.3
@ -1,6 +1,6 @@
|
||||
.TH LIBPNG 3 "May 14, 2010"
|
||||
.TH LIBPNG 3 "June 26, 2010"
|
||||
.SH NAME
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.3beta01
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.3
|
||||
.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 1.4.3beta01 - May 14, 2010
|
||||
libpng version 1.4.3 - June 26, 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 1.4.3beta01 - May 14, 2010
|
||||
libpng versions 0.97, January 1998, through 1.4.3 - June 26, 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 1.4.3beta01, not all possible expansions are supported.
|
||||
As of libpng version 1.4.3, 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
|
||||
|
||||
May 14, 2010
|
||||
June 26, 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 1.4.3beta01 are Y2K compliant. It is my belief that earlier
|
||||
upward through 1.4.3 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 +4269,9 @@ 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 14 10403 14.so.14.3[.0]
|
||||
1.4.3beta01-05 14 10403 14.so.14.3[.0]
|
||||
1.4.3rc01-03 14 10403 14.so.14.3[.0]
|
||||
1.4.3 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 +4327,7 @@ possible without all of you.
|
||||
|
||||
Thanks to Frank J. T. Wojcik for helping with the documentation.
|
||||
|
||||
Libpng version 1.4.3beta01 - May 14, 2010:
|
||||
Libpng version 1.4.3 - June 26, 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 +4350,7 @@ this sentence.
|
||||
|
||||
This code is released under the libpng license.
|
||||
|
||||
libpng versions 1.2.6, August 15, 2004, through 1.4.3beta01, May 14, 2010, are
|
||||
libpng versions 1.2.6, August 15, 2004, through 1.4.3, June 26, 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 +4449,7 @@ certification mark of the Open Source Initiative.
|
||||
|
||||
Glenn Randers-Pehrson
|
||||
glennrp at users.sourceforge.net
|
||||
May 14, 2010
|
||||
June 26, 2010
|
||||
|
||||
.\" end of man page
|
||||
|
||||
|
@ -1,6 +1,6 @@
|
||||
.TH LIBPNGPF 3 "May 14, 2010"
|
||||
.TH LIBPNGPF 3 "June 26, 2010"
|
||||
.SH NAME
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.3beta01
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.3
|
||||
(private functions)
|
||||
.SH SYNOPSIS
|
||||
\fB#include <png.h>\fP
|
||||
|
204
new_push_process_row.c
Normal file
@ -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
@ -1,4 +1,4 @@
|
||||
.TH PNG 5 "May 14, 2010"
|
||||
.TH PNG 5 "June 26, 2010"
|
||||
.SH NAME
|
||||
png \- Portable Network Graphics (PNG) format
|
||||
.SH DESCRIPTION
|
||||
|
6
png.c
@ -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_3beta01 Your_png_h_is_not_version_1_4_3beta01;
|
||||
typedef version_1_4_3 Your_png_h_is_not_version_1_4_3;
|
||||
|
||||
/* 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 1.4.3beta01 - May 14, 2010" PNG_STRING_NEWLINE \
|
||||
"libpng version 1.4.3 - June 26, 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 1.4.3beta01 - May 14, 2010\
|
||||
return ((png_charp) "libpng version 1.4.3 - June 26, 2010\
|
||||
Copyright (c) 1998-2010 Glenn Randers-Pehrson\
|
||||
Copyright (c) 1996-1997 Andreas Dilger\
|
||||
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.");
|
||||
|
22
png.h
@ -1,7 +1,7 @@
|
||||
|
||||
/* png.h - header file for PNG reference library
|
||||
*
|
||||
* libpng version 1.4.3beta01 - May 14, 2010
|
||||
* libpng version 1.4.3 - June 26, 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 1.4.3beta01 - May 14, 2010: Glenn
|
||||
* libpng versions 0.97, January 1998, through 1.4.3 - June 26, 2010: Glenn
|
||||
* See also "Contributing Authors", below.
|
||||
*
|
||||
* Note about libpng version numbers:
|
||||
@ -142,7 +142,9 @@
|
||||
* 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 14 10403 14.so.14.3[.0]
|
||||
* 1.4.3beta01-05 14 10403 14.so.14.3[.0]
|
||||
* 1.4.3rc01-03 14 10403 14.so.14.3[.0]
|
||||
* 1.4.3 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 +176,7 @@
|
||||
*
|
||||
* This code is released under the libpng license.
|
||||
*
|
||||
* libpng versions 1.2.6, August 15, 2004, through 1.4.3beta01, May 14, 2010, are
|
||||
* libpng versions 1.2.6, August 15, 2004, through 1.4.3, June 26, 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 +288,13 @@
|
||||
* Y2K compliance in libpng:
|
||||
* =========================
|
||||
*
|
||||
* May 14, 2010
|
||||
* June 26, 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 1.4.3beta01 are Y2K compliant. It is my belief that earlier
|
||||
* upward through 1.4.3 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 +350,9 @@
|
||||
*/
|
||||
|
||||
/* Version information for png.h - this should match the version in png.c */
|
||||
#define PNG_LIBPNG_VER_STRING "1.4.3beta01"
|
||||
#define PNG_LIBPNG_VER_STRING "1.4.3"
|
||||
#define PNG_HEADER_VERSION_STRING \
|
||||
" libpng version 1.4.3beta01 - May 14, 2010\n"
|
||||
" libpng version 1.4.3 - June 26, 2010\n"
|
||||
|
||||
#define PNG_LIBPNG_VER_SONUM 14
|
||||
#define PNG_LIBPNG_VER_DLLNUM 14
|
||||
@ -363,7 +365,7 @@
|
||||
* PNG_LIBPNG_VER_STRING, omitting any leading zero:
|
||||
*/
|
||||
|
||||
#define PNG_LIBPNG_VER_BUILD 01
|
||||
#define PNG_LIBPNG_VER_BUILD 0
|
||||
|
||||
/* Release Status */
|
||||
#define PNG_LIBPNG_BUILD_ALPHA 1
|
||||
@ -1472,7 +1474,7 @@ 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_3beta01;
|
||||
typedef png_structp version_1_4_3;
|
||||
|
||||
typedef png_struct FAR * FAR * png_structpp;
|
||||
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngconf.h - machine configurable file for libpng
|
||||
*
|
||||
* libpng version 1.4.3beta01 - May 14, 2010
|
||||
* libpng version 1.4.3 - June 26, 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)
|
||||
|
158
pngpread.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngpread.c - read a png file in push mode
|
||||
*
|
||||
* Last changed in libpng 1.4.1 [February 25, 2010]
|
||||
* Last changed in libpng 1.4.3 [June 26, 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;
|
||||
@ -829,62 +828,101 @@ 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 == NULL)
|
||||
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 uncompressed 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 in IDAT");
|
||||
else
|
||||
png_error(png_ptr, "Decompression error in IDAT");
|
||||
|
||||
/* 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 in IDAT");
|
||||
png_ptr->flags |= PNG_FLAG_ZLIB_FINISHED;
|
||||
/* Do no more processing; 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 */
|
||||
@ -900,8 +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);
|
||||
|
||||
@ -915,7 +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);
|
||||
|
||||
@ -950,7 +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);
|
||||
}
|
||||
|
||||
@ -990,7 +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);
|
||||
}
|
||||
|
||||
@ -1040,13 +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);
|
||||
}
|
||||
|
||||
@ -1065,7 +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);
|
||||
}
|
||||
|
||||
@ -1079,7 +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);
|
||||
}
|
||||
}
|
||||
@ -1391,7 +1429,7 @@ png_push_read_zTXt(png_structp png_ptr, png_infop info_ptr)
|
||||
|
||||
tmp = text;
|
||||
text = (png_charp)png_malloc(png_ptr, text_size +
|
||||
(png_ptr->zbuf_size
|
||||
(png_ptr->zbuf_size
|
||||
- png_ptr->zstream.avail_out + 1));
|
||||
|
||||
png_memcpy(text, tmp, text_size);
|
||||
@ -1613,7 +1651,7 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32
|
||||
}
|
||||
#endif
|
||||
png_memcpy((png_charp)png_ptr->unknown_chunk.name,
|
||||
(png_charp)png_ptr->chunk_name,
|
||||
(png_charp)png_ptr->chunk_name,
|
||||
png_sizeof(png_ptr->unknown_chunk.name));
|
||||
png_ptr->unknown_chunk.name[png_sizeof(png_ptr->unknown_chunk.name) - 1]
|
||||
= '\0';
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngpriv.h - private declarations for use inside libpng
|
||||
*
|
||||
* libpng version 1.4.3beta01 - May 14, 2010
|
||||
* libpng version 1.4.3 - June 26, 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)
|
||||
|
26
pngrutil.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngrutil.c - utilities to read a PNG file
|
||||
*
|
||||
* Last changed in libpng 1.4.1 [February 25, 2010]
|
||||
* Last changed in libpng 1.4.3 [June 26, 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.)
|
||||
@ -254,7 +254,7 @@ png_inflate(png_structp png_ptr, const png_byte *data, png_size_t size,
|
||||
* buffer if available.
|
||||
*/
|
||||
{
|
||||
char *msg;
|
||||
PNG_CONST char *msg;
|
||||
if (png_ptr->zstream.msg != 0)
|
||||
msg = png_ptr->zstream.msg;
|
||||
else
|
||||
@ -326,8 +326,10 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
|
||||
if (png_ptr->user_chunk_malloc_max &&
|
||||
(prefix_size + expanded_size >= png_ptr->user_chunk_malloc_max - 1))
|
||||
#else
|
||||
# ifdef PNG_USER_CHUNK_MALLOC_MAX
|
||||
if ((PNG_USER_CHUNK_MALLOC_MAX > 0) &&
|
||||
prefix_size + expanded_size >= PNG_USER_CHUNK_MALLOC_MAX - 1)
|
||||
# endif
|
||||
#endif
|
||||
png_warning(png_ptr, "Exceeded size limit while expanding chunk");
|
||||
|
||||
@ -363,7 +365,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
|
||||
*newlength = prefix_size + expanded_size;
|
||||
return; /* The success return! */
|
||||
}
|
||||
|
||||
|
||||
png_warning(png_ptr, "png_inflate logic error");
|
||||
png_free(png_ptr, text);
|
||||
}
|
||||
@ -1811,6 +1813,7 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
|
||||
if (png_ptr->chunkdata == NULL)
|
||||
{
|
||||
png_warning(png_ptr, "Out of memory while processing sCAL chunk");
|
||||
png_crc_finish(png_ptr, length);
|
||||
return;
|
||||
}
|
||||
slength = (png_size_t)length;
|
||||
@ -1832,6 +1835,8 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
|
||||
if (*vp)
|
||||
{
|
||||
png_warning(png_ptr, "malformed width string in sCAL chunk");
|
||||
png_free(png_ptr, png_ptr->chunkdata);
|
||||
png_ptr->chunkdata = NULL;
|
||||
return;
|
||||
}
|
||||
#else
|
||||
@ -1840,6 +1845,8 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
|
||||
if (swidth == NULL)
|
||||
{
|
||||
png_warning(png_ptr, "Out of memory while processing sCAL chunk width");
|
||||
png_free(png_ptr, png_ptr->chunkdata);
|
||||
png_ptr->chunkdata = NULL;
|
||||
return;
|
||||
}
|
||||
png_memcpy(swidth, ep, png_strlen(ep));
|
||||
@ -1853,8 +1860,7 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
|
||||
if (png_ptr->chunkdata + slength < ep)
|
||||
{
|
||||
png_warning(png_ptr, "Truncated sCAL chunk");
|
||||
#if defined(PNG_FIXED_POINT_SUPPORTED) && \
|
||||
!defined(PNG_FLOATING_POINT_SUPPORTED)
|
||||
#if defined(PNG_FIXED_POINT_SUPPORTED) && !defined(PNG_FLOATING_POINT_SUPPORTED)
|
||||
png_free(png_ptr, swidth);
|
||||
#endif
|
||||
png_free(png_ptr, png_ptr->chunkdata);
|
||||
@ -1867,6 +1873,11 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
|
||||
if (*vp)
|
||||
{
|
||||
png_warning(png_ptr, "malformed height string in sCAL chunk");
|
||||
png_free(png_ptr, png_ptr->chunkdata);
|
||||
png_ptr->chunkdata = NULL;
|
||||
#if defined(PNG_FIXED_POINT_SUPPORTED) && !defined(PNG_FLOATING_POINT_SUPPORTED)
|
||||
png_free(png_ptr, swidth);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
#else
|
||||
@ -1875,6 +1886,11 @@ png_handle_sCAL(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
|
||||
if (sheight == NULL)
|
||||
{
|
||||
png_warning(png_ptr, "Out of memory while processing sCAL chunk height");
|
||||
png_free(png_ptr, png_ptr->chunkdata);
|
||||
png_ptr->chunkdata = NULL;
|
||||
#if defined(PNG_FIXED_POINT_SUPPORTED) && !defined(PNG_FLOATING_POINT_SUPPORTED)
|
||||
png_free(png_ptr, swidth);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
png_memcpy(sheight, ep, png_strlen(ep));
|
||||
|
@ -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_3beta01 your_png_h_is_not_version_1_4_3beta01;
|
||||
typedef version_1_4_3 your_png_h_is_not_version_1_4_3;
|
||||
|
@ -2106,7 +2106,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info)
|
||||
png_uint_32 row_bytes = row_info->rowbytes;
|
||||
#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
|
||||
int num_p_filters = (int)png_ptr->num_prev_filters;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
png_debug(1, "in png_write_find_filter");
|
||||
|
||||
@ -2116,7 +2116,7 @@ png_write_find_filter(png_structp png_ptr, png_row_infop row_info)
|
||||
/* These will never be selected so we need not test them. */
|
||||
filter_to_do &= ~(PNG_FILTER_UP | PNG_FILTER_PAETH);
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Find out how many bytes offset each pixel is */
|
||||
bpp = (row_info->pixel_depth + 7) >> 3;
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
VisualStudio instructions
|
||||
|
||||
libpng version 1.4.3beta01 - May 14, 2010
|
||||
libpng version 1.4.3 - June 26, 2010
|
||||
|
||||
Copyright (c) 1998-2010 Glenn Randers-Pehrson
|
||||
|
||||
|
@ -2,7 +2,7 @@
|
||||
<!--
|
||||
* zlib.props - location of zlib source and build
|
||||
*
|
||||
* libpng version 1.4.3beta01 - May 14, 2010
|
||||
* libpng version 1.4.3 - June 26, 2010
|
||||
*
|
||||
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
|
||||
*
|
||||
|
@ -226,7 +226,7 @@
|
||||
COPY_PHASE_STRIP = NO;
|
||||
DYLIB_COMPATIBILITY_VERSION = 14;
|
||||
DYLIB_CURRENT_VERSION = 14;
|
||||
FRAMEWORK_VERSION = 1.4.3beta01;
|
||||
FRAMEWORK_VERSION = 1.4.3;
|
||||
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 = 1.4.3beta01;
|
||||
FRAMEWORK_VERSION = 1.4.3;
|
||||
GCC_PRECOMPILE_PREFIX_HEADER = NO;
|
||||
GCC_PREFIX_HEADER = "";
|
||||
INFOPLIST_FILE = Info.plist;
|
||||
|
@ -1,8 +1,8 @@
|
||||
|
||||
Makefiles for libpng version 1.4.3beta01 - May 14, 2010
|
||||
Makefiles for libpng version 1.4.3 - June 26, 2010
|
||||
|
||||
makefile.linux => Linux/ELF makefile
|
||||
(gcc, creates libpng14.so.14.1.4.3beta01)
|
||||
(gcc, creates libpng14.so.14.1.4.3)
|
||||
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 1.4.3beta01 - May 14, 2010
|
||||
makefile.dec => DEC Alpha UNIX makefile
|
||||
makefile.dj2 => DJGPP 2 makefile
|
||||
makefile.elf => Linux/ELF makefile symbol versioning,
|
||||
gcc, creates libpng14.so.14.1.4.3beta01)
|
||||
gcc, creates libpng14.so.14.1.4.3)
|
||||
makefile.freebsd => FreeBSD makefile
|
||||
makefile.gcc => Generic gcc makefile
|
||||
makefile.hpgcc => HPUX makefile using gcc
|
||||
@ -36,12 +36,12 @@ Makefiles for libpng version 1.4.3beta01 - May 14, 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.14.1.4.3beta01)
|
||||
creates libpng14.so.14.1.4.3)
|
||||
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
|
||||
makefile.solaris => Solaris 2.X makefile (gcc,
|
||||
creates libpng14.so.14.1.4.3beta01)
|
||||
creates libpng14.so.14.1.4.3)
|
||||
makefile.so9 => Solaris 9 makefile (gcc,
|
||||
creates libpng14.so.14.1.4.3beta01)
|
||||
creates libpng14.so.14.1.4.3)
|
||||
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
|
||||
makefile.sunos => Sun makefile
|
||||
makefile.32sunu => Sun Ultra 32-bit makefile
|
||||
|
@ -11,7 +11,7 @@
|
||||
|
||||
# Modeled after libxml-config.
|
||||
|
||||
version=1.4.3beta01
|
||||
version=1.4.3
|
||||
prefix=""
|
||||
libdir=""
|
||||
libs=""
|
||||
|
@ -5,6 +5,6 @@ includedir=@includedir@/libpng14
|
||||
|
||||
Name: libpng
|
||||
Description: Loads and saves PNG files
|
||||
Version: 1.4.3beta01
|
||||
Version: 1.4.3
|
||||
Libs: -L${libdir} -lpng14
|
||||
Cflags: -I${includedir}
|
||||
|
@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng14
|
||||
|
||||
LIB= png14
|
||||
SHLIB_MAJOR= 0
|
||||
SHLIB_MINOR= 1.4.3beta01
|
||||
SHLIB_MINOR= 1.4.3
|
||||
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
|
||||
|
@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include
|
||||
|
||||
LIB= png
|
||||
SHLIB_MAJOR= 3
|
||||
SHLIB_MINOR= 1.4.3beta01
|
||||
SHLIB_MINOR= 1.4.3
|
||||
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
|
||||
|
@ -11,7 +11,7 @@ LIBDIR= ${PREFIX}/lib
|
||||
MANDIR= ${PREFIX}/man/cat
|
||||
|
||||
SHLIB_MAJOR= 0
|
||||
SHLIB_MINOR= 1.4.3beta01
|
||||
SHLIB_MINOR= 1.4.3
|
||||
|
||||
LIB= png
|
||||
SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \
|
||||
|
@ -15,7 +15,7 @@ LIBRARY lpngce
|
||||
png_get_int_32
|
||||
|
||||
EXPORTS
|
||||
;Version 1.4.3beta01
|
||||
;Version 1.4.3
|
||||
png_build_grayscale_palette @1
|
||||
; png_check_sig @2
|
||||
png_chunk_error @3
|
||||
|
@ -2,7 +2,7 @@
|
||||
; PNG.LIB module definition file for OS/2
|
||||
;----------------------------------------
|
||||
|
||||
; Version 1.4.3beta01
|
||||
; Version 1.4.3
|
||||
|
||||
LIBRARY PNG
|
||||
DESCRIPTION "PNG image compression library for OS/2"
|
||||
|
@ -5,7 +5,7 @@
|
||||
LIBRARY
|
||||
|
||||
EXPORTS
|
||||
;Version 1.4.3beta01
|
||||
;Version 1.4.3
|
||||
png_build_grayscale_palette
|
||||
png_chunk_error
|
||||
png_chunk_warning
|
||||
|