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33 Commits

Author SHA1 Message Date
Glenn Randers-Pehrson
13714e87f2 [master] Imported from libpng-1.4.1beta10.tar 2010-02-08 15:58:31 -06:00
Glenn Randers-Pehrson
9101d75316 [master] Return allocated "old_buffer" in png_push_save_buffer()
before calling png_error(), to avoid a potential memory leak.
2010-02-08 15:56:17 -06:00
Glenn Randers-Pehrson
233edbf415 [master] Imported from libpng-1.4.1beta09.tar 2010-02-07 23:05:33 -06:00
Glenn Randers-Pehrson
bd209f75fa [master] Reverted to original png_push_save_buffer() code. 2010-02-07 23:02:42 -06:00
Glenn Randers-Pehrson
27854a478e [master] Fixed incorrect test in new png_push_save_buffer() code. 2010-02-07 20:02:02 -06:00
Glenn Randers-Pehrson
f12a87a96c [master] Imported from libpng-1.4.1beta08.tar 2010-02-06 19:48:53 -06:00
Glenn Randers-Pehrson
cb4358ddbb [master] Revert to version 1.4.1beta07 2010-02-06 13:48:45 -06:00
Glenn Randers-Pehrson
c4819d78ba [master] Fix scripting typo in pngwrite.c 2010-02-06 13:44:20 -06:00
Glenn Randers-Pehrson
0b721cd4c4 [master] Bump to version libpng-1.4.1beta08 2010-02-06 13:03:51 -06:00
Glenn Randers-Pehrson
b025757328 [master] Bump to version libpng-1.4.1beta07 2010-02-06 12:17:51 -06:00
Glenn Randers-Pehrson
4bd73b6947 [master] Revised png_push_save_buffer() to do fewer but larger png_mallocs
Eliminated use of png_ptr->irowbytes and reused the slot in png_ptr as
png_ptr->png_user_chunk_malloc_max.
2010-02-06 12:15:07 -06:00
Glenn Randers-Pehrson
f3c42680db [master] Fixed an incorrect #ifdef in pngwrite.c 2010-02-06 10:44:22 -06:00
Glenn Randers-Pehrson
c10066205d [master] Fixed indentation in some png.h comments. 2010-02-05 17:31:42 -06:00
Glenn Randers-Pehrson
21b7aaa428 [master] Imported from libpng-1.4.1beta07.tar 2010-02-05 16:30:38 -06:00
Glenn Randers-Pehrson
d7225fdfce [master] Folded some long lines in png.h
Most of them were too long because of recent insertion of PNG_DEPSTRUCT.
2010-02-05 15:35:41 -06:00
Glenn Randers-Pehrson
deb870c77d [master] Added defineable PNG_USER_CHUNK_CACHE_MAX and PNG_USER_CHUNK_MALLOC_MAX 2010-02-05 15:32:42 -06:00
Glenn Randers-Pehrson
c05538959b [master] Revised documentation to mention the change in
the prototype for the user malloc_fn().
2010-02-02 06:47:13 -06:00
Glenn Randers-Pehrson
f6c761dda1 [master] Imported from libpng-1.4.1beta06.tar 2010-01-28 07:22:50 -06:00
Glenn Randers-Pehrson
877b08d6d2 [master] Implement two-pass png_decompress_chunk() function
suggested by John Bowler.  Does not waste memory, does only one malloc()
to the measured decompressed size.
2010-01-28 07:16:15 -06:00
Glenn Randers-Pehrson
a69064328b [master] Undo recent pngtest changes
The problem was with a buggy compiler (gcc-4.0.1) not a libpng problem
and not worth attempting to work around.
2010-01-27 07:05:02 -06:00
Glenn Randers-Pehrson
01b9566e50 [master] Use int copies instead of longs in pngtest.c
to try to appease the Mac compiler
2010-01-26 23:27:21 -06:00
Glenn Randers-Pehrson
ca3a100be6 [master] Revised pngtest.c for the sake of an optimizing compiler 2010-01-26 22:45:58 -06:00
Glenn Randers-Pehrson
1655e4ddb0 [master] Imported from libpng-1.4.1beta05.tar 2010-01-26 06:56:04 -06:00
Glenn Randers-Pehrson
526f839764 [master] Relocated "int k" declaration in pngtest.c
to work around a compiler optimization bug.
2010-01-26 06:51:00 -06:00
Glenn Randers-Pehrson
1a86bd2a09 [master] Revised png_decompress_chunk() to improve speed and memory
usage when decoding large chunks.
2010-01-22 22:50:46 -06:00
Glenn Randers-Pehrson
610e7b5bd6 [master] Added png_set|get_chunk_malloc_max() functions. 2010-01-22 19:48:40 -06:00
Glenn Randers-Pehrson
86f6c04d84 [master] Imported from libpng-1.4.1beta04.tar 2010-01-22 19:34:44 -06:00
Glenn Randers-Pehrson
fb3a1da4bb [master] Bump to version 1.4.1beta04 2010-01-22 19:29:47 -06:00
Glenn Randers-Pehrson
525efcbb7b [master] Imported from libpng-1.4.1rc01.tar 2010-01-16 08:05:12 -06:00
Glenn Randers-Pehrson
ea4340e1ec [master] Imported from libpng-1.4.1beta03.tar 2010-01-10 16:53:46 -06:00
Glenn Randers-Pehrson
91f3864fbd [master] Removed png_set_premultiply_alpha() from scripts/*.def
Implementation of this function was postponed.
2010-01-10 16:51:01 -06:00
Glenn Randers-Pehrson
14fa704caf [master] Imported from libpng-1.4.1beta02.tar 2010-01-09 13:13:30 -06:00
Glenn Randers-Pehrson
ad1f8180a5 [master] Updated makefiles to link to libpng14.so.14.1 2010-01-07 23:28:16 -06:00
58 changed files with 865 additions and 463 deletions

View File

@@ -1,5 +1,5 @@
Libpng 1.4.1beta01 - January 8, 2010
Libpng 1.4.1beta10 - February 8, 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.
@@ -9,24 +9,24 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
1.4.1beta01.tar.xz (LZMA-compressed, recommended)
1.4.1beta01.tar.gz
1.4.1beta01.tar.bz2
1.4.1beta10.tar.xz (LZMA-compressed, recommended)
1.4.1beta10.tar.gz
1.4.1beta10.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lp141b01.zip
lp141b01.7z
lp141b10.zip
lp141b10.7z
Other information:
1.4.1beta01-README.txt
1.4.1beta01-LICENSE.txt
1.4.1beta10-README.txt
1.4.1beta10-LICENSE.txt
Changes since the last public release (1.4.0):
version 1.4.1beta01 [January 8, 2010]
version 1.4.1beta01 [January 10, 2010]
Updated CMakeLists.txt for consistent indentation and to avoid an
unclosed if-statement warning (Philip Lowman).
Revised Makefile.am and Makefile.in to remove references to Y2KINFO,
@@ -35,6 +35,46 @@ version 1.4.1beta01 [January 8, 2010]
links as configure, except for libpng.la and libpng14.la.
Make png_set|get_compression_buffer_size() available even when
PNG_WRITE_SUPPORTED is not enabled.
Revised Makefile.am and Makefile.in to simplify their maintenance.
Revised scripts/makefile.linux to install a link to libpng14.so.14.1
version 1.4.1beta02 [January 9, 2010]
Revised the rest of the makefiles to install a link to libpng14.so.14.1
version 1.4.1beta03 [January 10, 2010]
Removed png_set_premultiply_alpha() from scripts/*.def
version 1.4.1rc01 [January 16, 2010]
No changes.
version 1.4.1beta04 [January 23, 2010]
Revised png_decompress_chunk() to improve speed and memory usage when
decoding large chunks.
Added png_set|get_chunk_malloc_max() functions.
version 1.4.1beta05 [January 26, 2010]
Relocated "int k" declaration in pngtest.c to minimize its scope.
version 1.4.1beta06 [January 28, 2010]
Revised png_decompress_chunk() to use a two-pass method suggested by
John Bowler.
version 1.4.1beta07 [February 6, 2010]
Folded some long lines in the source files.
Added defineable PNG_USER_CHUNK_CACHE_MAX and PNG_USER_CHUNK_MALLOC_MAX
Eliminated use of png_ptr->irowbytes and reused the slot in png_ptr as
png_ptr->png_user_chunk_malloc_max.
Revised png_push_save_buffer() to do fewer but larger png_malloc() calls.
version 1.4.1beta08 [February 6, 2010]
Minor cleanup and updating of dates and copyright year.
version 1.4.1beta09 [February 7, 2010]
Reverted to original png_push_save_buffer() code.
version 1.4.1beta10 [February 8, 2010]
Return allocated "old_buffer" in png_push_save_buffer() before calling
png_error(), to avoid a potential memory leak.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

41
CHANGES
View File

@@ -2467,6 +2467,47 @@ version 1.4.1beta01 [January 8, 2010]
links as configure, except for libpng.la and libpng14.la.
Make png_set|get_compression_buffer_size() available even when
PNG_WRITE_SUPPORTED is not enabled.
Revised Makefile.am and Makefile.in to simplify their maintenance.
Revised scripts/makefile.linux to install a link to libpng14.so.14.1
version 1.4.1beta02 [January 9, 2010]
Revised the rest of the makefiles to install a link to libpng14.so.14.1
version 1.4.1beta03 [January 10, 2010]
Removed png_set_premultiply_alpha() from scripts/*.def
version 1.4.1rc01 [January 16, 2010]
No changes.
version 1.4.1beta04 [January 23, 2010]
Revised png_decompress_chunk() to improve speed and memory usage when
decoding large chunks.
Added png_set|get_chunk_malloc_max() functions.
version 1.4.1beta05 [January 26, 2010]
Relocated "int k" declaration in pngtest.c to minimize its scope.
version 1.4.1beta06 [January 28, 2010]
Revised png_decompress_chunk() to use a two-pass method suggested by
John Bowler.
version 1.4.1beta07 [February 6, 2010]
Folded some long lines in the source files.
Added defineable PNG_USER_CHUNK_CACHE_MAX, PNG_USER_CHUNK_MALLOC_MAX,
and a PNG_USER_LIMITS_SUPPORTED flag.
Eliminated use of png_ptr->irowbytes and reused the slot in png_ptr as
png_ptr->png_user_chunk_malloc_max.
Revised png_push_save_buffer() to do fewer but larger png_malloc() calls.
version 1.4.1beta08 [February 6, 2010]
Minor cleanup and updating of dates and copyright year.
version 1.4.1beta09 [February 7, 2010]
Reverted to original png_push_save_buffer() code.
version 1.4.1beta10 [February 8, 2010]
Return allocated "old_buffer" in png_push_save_buffer() before calling
png_error(), to avoid a potential memory leak.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

View File

@@ -209,7 +209,7 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
# SET UP LINKS
if(PNG_SHARED)
set_target_properties(${PNG_LIB_NAME} PROPERTIES
# VERSION 14.${PNGLIB_RELEASE}.1.4.1beta01
# VERSION 14.${PNGLIB_RELEASE}.1.4.1beta10
VERSION 14.${PNGLIB_RELEASE}.0
SOVERSION 14
CLEAN_DIRECT_OUTPUT 1)

View File

@@ -1,5 +1,5 @@
Installing libpng version 1.4.1beta01 - January 8, 2010
Installing libpng version 1.4.1beta10 - February 8, 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-1.4.1beta01" or "libpng14" and "zlib-1.2.3"
might be called "libpng-1.4.1beta10" 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:

View File

@@ -10,7 +10,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.4.1beta01, January 8, 2010, are
libpng versions 1.2.6, August 15, 2004, through 1.4.1beta10, February 8, 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
January 8, 2010
February 8, 2010

View File

@@ -73,7 +73,7 @@ EXTRA_DIST= \
${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \
$(TESTS) \
example.c libpng-1.4.1beta01.txt
example.c libpng-1.4.1beta10.txt
CLEANFILES= pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \
libpng.sym

View File

@@ -333,7 +333,7 @@ EXTRA_DIST = \
${srcdir}/contrib/pngsuite/* \
${srcdir}/contrib/visupng/* \
$(TESTS) \
example.c libpng-1.4.1beta01.txt
example.c libpng-1.4.1beta10.txt
CLEANFILES = pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers \
libpng.sym

12
README
View File

@@ -1,4 +1,4 @@
README for libpng version 1.4.1beta01 - January 8, 2010 (shared library 14.0)
README for libpng version 1.4.1beta10 - February 8, 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.14.1.4.1beta01)
gcc, creates libpng14.so.14.1.4.1beta10)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.14.1.4.1beta01)
(gcc, creates libpng14.so.14.1.4.1beta10)
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.14.1.4.1beta01)
(gcc, creates libpng14.so.14.1.4.1beta10)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng14.so.14.1.4.1beta01)
(gcc, creates libpng14.so.14.1.4.1beta10)
makefile.so9 => Solaris 9 makefile
(gcc, creates libpng14.so.14.1.4.1beta01)
(gcc, creates libpng14.so.14.1.4.1beta10)
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
View File

@@ -1,6 +1,6 @@
#! /bin/sh
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.65 for libpng 1.4.1beta01.
# Generated by GNU Autoconf 2.65 for libpng 1.4.1beta10.
#
# 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='1.4.1beta01'
PACKAGE_STRING='libpng 1.4.1beta01'
PACKAGE_VERSION='1.4.1beta10'
PACKAGE_STRING='libpng 1.4.1beta10'
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 1.4.1beta01 to adapt to many kinds of systems.
\`configure' configures libpng 1.4.1beta10 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 $ac_init_help in
short | recursive ) echo "Configuration of libpng 1.4.1beta01:";;
short | recursive ) echo "Configuration of libpng 1.4.1beta10:";;
esac
cat <<\_ACEOF
@@ -1607,7 +1607,7 @@ fi
test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
cat <<\_ACEOF
libpng configure 1.4.1beta01
libpng configure 1.4.1beta10
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 1.4.1beta01, which was
It was created by libpng $as_me 1.4.1beta10, which was
generated by GNU Autoconf 2.65. Invocation command line was
$ $0 $@
@@ -2840,7 +2840,7 @@ fi
# Define the identity of the package.
PACKAGE='libpng'
VERSION='1.4.1beta01'
VERSION='1.4.1beta10'
cat >>confdefs.h <<_ACEOF
@@ -2904,7 +2904,7 @@ fi
PNGLIB_VERSION=1.4.1beta01
PNGLIB_VERSION=1.4.1beta10
PNGLIB_MAJOR=1
PNGLIB_MINOR=4
PNGLIB_RELEASE=1
@@ -12027,7 +12027,7 @@ cat >>$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 1.4.1beta01, which was
This file was extended by libpng $as_me 1.4.1beta10, which was
generated by GNU Autoconf 2.65. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
@@ -12093,7 +12093,7 @@ _ACEOF
cat >>$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 1.4.1beta01
libpng config.status 1.4.1beta10
configured by $0, generated by GNU Autoconf 2.65,
with options \\"\$ac_cs_config\\"

View File

@@ -18,12 +18,12 @@ AC_PREREQ(2.59)
dnl Version number stuff here:
AC_INIT([libpng], [1.4.1beta01], [png-mng-implement@lists.sourceforge.net])
AC_INIT([libpng], [1.4.1beta10], [png-mng-implement@lists.sourceforge.net])
AM_INIT_AUTOMAKE
dnl stop configure from automagically running automake
AM_MAINTAINER_MODE
PNGLIB_VERSION=1.4.1beta01
PNGLIB_VERSION=1.4.1beta10
PNGLIB_MAJOR=1
PNGLIB_MINOR=4
PNGLIB_RELEASE=1

View File

@@ -69,5 +69,7 @@
#define PNG_NO_ERROR_NUMBERS
#define PNG_NO_EASY_ACCESS
#define PNG_NO_PROGRESSIVE_READ
#define PNG_NO_USER_LIMITS
#define PNG_NO_SET_USER_LIMITS
#endif /* MINRDPNGCONF_H */

View File

@@ -67,5 +67,7 @@
#define PNG_NO_ZALLOC_ZERO
#define PNG_NO_ERROR_NUMBERS
#define PNG_NO_EASY_ACCESS
#define PNG_NO_USER_LIMITS
#define PNG_NO_SET_USER_LIMITS
#endif /* MINWRPNGCONF_H */

View File

@@ -59,5 +59,7 @@
#define PNG_NO_ZALLOC_ZERO
#define PNG_NO_ERROR_NUMBERS
#define PNG_NO_EASY_ACCESS
#define PNG_NO_USER_LIMITS
#define PNG_NO_SET_USER_LIMITS
#endif /* MINPRDPNGCONF_H */

View File

@@ -1,6 +1,6 @@
libpng.txt - A description on how to use and modify libpng
libpng version 1.4.1beta01 - January 8, 2010
libpng version 1.4.1beta10 - February 8, 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 1.4.1beta01 - January 8, 2010
libpng versions 0.97, January 1998, through 1.4.1beta10 - February 8, 2010
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -432,6 +432,18 @@ where 0x7fffffffL means unlimited. You can retrieve this limit with
This limit also applies to the number of buffers that can be allocated
by png_decompress_chunk() while decompressing iTXt, zTXt, and iCCP chunks.
You can also set a limit on the amount of memory that a compressed chunk
other than IDAT can occupy, with
png_set_chunk_malloc_max(png_ptr, user_chunk_malloc_max);
and you can retrieve the limit with
chunk_malloc_max = png_get_chunk_malloc_max(png_ptr);
Any chunks that would cause either of these limits to be exceeded will
be ignored.
The high-level read interface
At this point there are two ways to proceed; through the high-level
@@ -887,7 +899,7 @@ 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 1.4.1beta01, not all possible expansions are supported.
As of libpng version 1.4.1beta10, 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
@@ -2488,7 +2500,7 @@ via
Your replacement memory functions must have prototypes as follows:
png_voidp malloc_fn(png_structp png_ptr,
png_size_t size);
png_alloc_size_t size);
void free_fn(png_structp png_ptr, png_voidp ptr);
Your malloc_fn() must return NULL in case of failure. The png_malloc()
@@ -3072,6 +3084,8 @@ We changed the prototype for png_malloc() from
to
png_malloc(png_structp png_ptr, png_alloc_size_t size)
This also applies to the prototype for the user replacement malloc_fn().
The png_calloc() function was added and is used in place of
of "png_malloc(); png_memset();" except in the case in png_read_png()
where the array consists of pointers; in this case a "for" loop is used
@@ -3231,13 +3245,13 @@ Other rules can be inferred by inspecting the libpng source.
XIII. Y2K Compliance in libpng
January 8, 2010
February 8, 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 1.4.1beta01 are Y2K compliant. It is my belief that earlier
upward through 1.4.1beta10 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

View File

@@ -1,6 +1,6 @@
.TH LIBPNG 3 "January 8, 2010"
.TH LIBPNG 3 "February 8, 2010"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1beta01
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1beta10
.SH SYNOPSIS
\fI\fB
@@ -192,6 +192,10 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1beta01
\fI\fB
\fBpng_alloc_size_t png_get_chunk_malloc_max (png_structp \fIpng_ptr\fP\fB);\fP
\fI\fB
\fBpng_voidp png_get_mem_ptr(png_structp \fIpng_ptr\fP\fB);\fP
\fI\fB
@@ -538,6 +542,10 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1beta01
\fI\fB
\fBvoid png_set_chunk_malloc_max (png_structp \fP\fIpng_ptr\fP\fB, png_alloc_size_t \fIuser_chunk_cache_max\fP\fB);\fP
\fI\fB
\fBvoid png_set_mem_fn(png_structp \fP\fIpng_ptr\fP\fB, png_voidp \fP\fImem_ptr\fP\fB, png_malloc_ptr \fP\fImalloc_fn\fP\fB, png_free_ptr \fIfree_fn\fP\fB);\fP
\fI\fB
@@ -777,7 +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 1.4.1beta01 - January 8, 2010
libpng version 1.4.1beta10 - February 8, 2010
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -788,7 +796,7 @@ libpng.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.4.1beta01 - January 8, 2010
libpng versions 0.97, January 1998, through 1.4.1beta10 - February 8, 2010
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -1209,6 +1217,18 @@ where 0x7fffffffL means unlimited. You can retrieve this limit with
This limit also applies to the number of buffers that can be allocated
by png_decompress_chunk() while decompressing iTXt, zTXt, and iCCP chunks.
You can also set a limit on the amount of memory that a compressed chunk
other than IDAT can occupy, with
png_set_chunk_malloc_max(png_ptr, user_chunk_malloc_max);
and you can retrieve the limit with
chunk_malloc_max = png_get_chunk_malloc_max(png_ptr);
Any chunks that would cause either of these limits to be exceeded will
be ignored.
.SS The high-level read interface
At this point there are two ways to proceed; through the high-level
@@ -1664,7 +1684,7 @@ 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 1.4.1beta01, not all possible expansions are supported.
As of libpng version 1.4.1beta10, 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
@@ -3265,7 +3285,7 @@ via
Your replacement memory functions must have prototypes as follows:
png_voidp malloc_fn(png_structp png_ptr,
png_size_t size);
png_alloc_size_t size);
void free_fn(png_structp png_ptr, png_voidp ptr);
Your malloc_fn() must return NULL in case of failure. The png_malloc()
@@ -3849,6 +3869,8 @@ We changed the prototype for png_malloc() from
to
png_malloc(png_structp png_ptr, png_alloc_size_t size)
This also applies to the prototype for the user replacement malloc_fn().
The png_calloc() function was added and is used in place of
of "png_malloc(); png_memset();" except in the case in png_read_png()
where the array consists of pointers; in this case a "for" loop is used
@@ -4008,13 +4030,13 @@ Other rules can be inferred by inspecting the libpng source.
.SH XIII. Y2K Compliance in libpng
January 8, 2010
February 8, 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 1.4.1beta01 are Y2K compliant. It is my belief that earlier
upward through 1.4.1beta10 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
@@ -4187,6 +4209,9 @@ the first widely used release:
1.4.0beta88-109 14 10400 14.so.14.0[.0]
1.4.0rc02-08 14 10400 14.so.14.0[.0]
1.4.0 14 10400 14.so.14.0[.0]
1.4.1beta01-03 14 10401 14.so.14.1[.0]
1.4.1rc01 14 10401 14.so.14.1[.0]
1.4.1beta04-09 14 10401 14.so.14.1[.0]
Henceforth the source version will match the shared-library minor
and patch numbers; the shared-library major version number will be
@@ -4242,7 +4267,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.4.1beta01 - January 8, 2010:
Libpng version 1.4.1beta10 - February 8, 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).
@@ -4265,7 +4290,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.4.1beta01, January 8, 2010, are
libpng versions 1.2.6, August 15, 2004, through 1.4.1beta10, February 8, 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
@@ -4364,7 +4389,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
January 8, 2010
February 8, 2010
.\" end of man page

View File

@@ -1,6 +1,6 @@
.TH LIBPNGPF 3 "January 8, 2010"
.TH LIBPNGPF 3 "February 8, 2010"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1beta01
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.1beta10
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP

2
png.5
View File

@@ -1,4 +1,4 @@
.TH PNG 5 "January 8, 2010"
.TH PNG 5 "February 8, 2010"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION

8
png.c
View File

@@ -1,7 +1,7 @@
/* png.c - location for general purpose libpng functions
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Last changed in libpng 1.4.1 [February 8, 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.)
@@ -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_1beta01 Your_png_h_is_not_version_1_4_1beta01;
typedef version_1_4_1beta10 Your_png_h_is_not_version_1_4_1beta10;
/* 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 1.4.1beta01 - January 8, 2010" PNG_STRING_NEWLINE \
"libpng version 1.4.1beta10 - February 8, 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 1.4.1beta01 - January 8, 2010\
return ((png_charp) "libpng version 1.4.1beta10 - February 8, 2010\
Copyright (c) 1998-2010 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.");

430
png.h
View File

@@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.4.1beta01 - January 8, 2010
* libpng version 1.4.1beta10 - February 8, 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 1.4.1beta01 - January 8, 2010: Glenn
* libpng versions 0.97, January 1998, through 1.4.1beta10 - February 8, 2010: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
@@ -134,6 +134,9 @@
* 1.4.0beta88-109 14 10400 14.so.14.0[.0]
* 1.4.0rc02-08 14 10400 14.so.14.0[.0]
* 1.4.0 14 10400 14.so.14.0[.0]
* 1.4.1beta01-03 14 10401 14.so.14.1[.0]
* 1.4.1rc01 14 10401 14.so.14.1[.0]
* 1.4.1beta04-09 14 10401 14.so.14.1[.0]
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@@ -165,7 +168,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.2.6, August 15, 2004, through 1.4.1beta01, January 8, 2010, are
* libpng versions 1.2.6, August 15, 2004, through 1.4.1beta10, February 8, 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:
@@ -277,13 +280,13 @@
* Y2K compliance in libpng:
* =========================
*
* January 8, 2010
* February 8, 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 1.4.1beta01 are Y2K compliant. It is my belief that earlier
* upward through 1.4.1beta10 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
@@ -339,9 +342,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.4.1beta01"
#define PNG_LIBPNG_VER_STRING "1.4.1beta10"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.4.1beta01 - January 8, 2010\n"
" libpng version 1.4.1beta10 - February 8, 2010\n"
#define PNG_LIBPNG_VER_SONUM 14
#define PNG_LIBPNG_VER_DLLNUM 14
@@ -354,7 +357,7 @@
* PNG_LIBPNG_VER_STRING, omitting any leading zero:
*/
#define PNG_LIBPNG_VER_BUILD 01
#define PNG_LIBPNG_VER_BUILD 10
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
@@ -629,25 +632,38 @@ typedef png_unknown_chunk FAR * FAR * png_unknown_chunkpp;
typedef struct png_info_struct
{
/* the following are necessary for every PNG file */
png_uint_32 width PNG_DEPSTRUCT; /* width of image in pixels (from IHDR) */
png_uint_32 height PNG_DEPSTRUCT; /* height of image in pixels (from IHDR) */
png_uint_32 valid PNG_DEPSTRUCT; /* valid chunk data (see PNG_INFO_ below) */
png_size_t rowbytes PNG_DEPSTRUCT; /* bytes needed to hold an untransformed row */
png_colorp palette PNG_DEPSTRUCT; /* array of color values (valid & PNG_INFO_PLTE) */
png_uint_16 num_palette PNG_DEPSTRUCT; /* number of color entries in "palette" (PLTE) */
png_uint_16 num_trans PNG_DEPSTRUCT; /* number of transparent palette color (tRNS) */
png_byte bit_depth PNG_DEPSTRUCT; /* 1, 2, 4, 8, or 16 bits/channel (from IHDR) */
png_byte color_type PNG_DEPSTRUCT; /* see PNG_COLOR_TYPE_ below (from IHDR) */
png_uint_32 width PNG_DEPSTRUCT; /* width of image in pixels (from IHDR) */
png_uint_32 height PNG_DEPSTRUCT; /* height of image in pixels (from IHDR) */
png_uint_32 valid PNG_DEPSTRUCT; /* valid chunk data (see PNG_INFO_
below) */
png_size_t rowbytes PNG_DEPSTRUCT; /* bytes needed to hold an untransformed
row */
png_colorp palette PNG_DEPSTRUCT; /* array of color values
(valid & PNG_INFO_PLTE) */
png_uint_16 num_palette PNG_DEPSTRUCT; /* number of color entries in
"palette" (PLTE) */
png_uint_16 num_trans PNG_DEPSTRUCT; /* number of transparent palette
color (tRNS) */
png_byte bit_depth PNG_DEPSTRUCT; /* 1, 2, 4, 8, or 16 bits/channel
(from IHDR) */
png_byte color_type PNG_DEPSTRUCT; /* see PNG_COLOR_TYPE_ below
(from IHDR) */
/* The following three should have been named *_method not *_type */
png_byte compression_type PNG_DEPSTRUCT; /* must be PNG_COMPRESSION_TYPE_BASE (IHDR) */
png_byte filter_type PNG_DEPSTRUCT; /* must be PNG_FILTER_TYPE_BASE (from IHDR) */
png_byte interlace_type PNG_DEPSTRUCT; /* One of PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */
png_byte compression_type PNG_DEPSTRUCT; /* must be
PNG_COMPRESSION_TYPE_BASE (IHDR) */
png_byte filter_type PNG_DEPSTRUCT; /* must be PNG_FILTER_TYPE_BASE
(from IHDR) */
png_byte interlace_type PNG_DEPSTRUCT; /* One of PNG_INTERLACE_NONE,
PNG_INTERLACE_ADAM7 */
/* The following is informational only on read, and not used on writes. */
png_byte channels PNG_DEPSTRUCT; /* number of data channels per pixel (1, 2, 3, 4) */
png_byte channels PNG_DEPSTRUCT; /* number of data channels per
pixel (1, 2, 3, 4) */
png_byte pixel_depth PNG_DEPSTRUCT; /* number of bits per pixel */
png_byte spare_byte PNG_DEPSTRUCT; /* to align the data, and for future use */
png_byte signature[8] PNG_DEPSTRUCT; /* magic bytes read by libpng from start of file */
png_byte spare_byte PNG_DEPSTRUCT; /* to align the data, and for
future use */
png_byte signature[8] PNG_DEPSTRUCT; /* magic bytes read by libpng
from start of file */
/* The rest of the data is optional. If you are reading, check the
* valid field to see if the information in these are valid. If you
@@ -660,13 +676,15 @@ typedef struct png_info_struct
* on which the image was created, normally in the range [1.0, 2.5].
* Data is valid if (valid & PNG_INFO_gAMA) is non-zero.
*/
float gamma PNG_DEPSTRUCT; /* gamma value of image, if (valid & PNG_INFO_gAMA) */
float gamma PNG_DEPSTRUCT; /* gamma value of image,
if (valid & PNG_INFO_gAMA) */
#endif
#ifdef PNG_sRGB_SUPPORTED
/* GR-P, 0.96a */
/* Data valid if (valid & PNG_INFO_sRGB) non-zero. */
png_byte srgb_intent PNG_DEPSTRUCT; /* sRGB rendering intent [0, 1, 2, or 3] */
png_byte srgb_intent PNG_DEPSTRUCT; /* sRGB rendering intent
[0, 1, 2, or 3] */
#endif
#ifdef PNG_TEXT_SUPPORTED
@@ -711,8 +729,10 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
* single color specified that should be treated as fully transparent.
* Data is valid if (valid & PNG_INFO_tRNS) is non-zero.
*/
png_bytep trans_alpha PNG_DEPSTRUCT; /* alpha values for paletted image */
png_color_16 trans_color PNG_DEPSTRUCT; /* transparent color for non-palette image */
png_bytep trans_alpha PNG_DEPSTRUCT; /* alpha values for paletted
image */
png_color_16 trans_color PNG_DEPSTRUCT; /* transparent color for
non-palette image */
#endif
#if defined(PNG_bKGD_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
@@ -743,7 +763,8 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
*/
png_uint_32 x_pixels_per_unit PNG_DEPSTRUCT; /* horizontal pixel density */
png_uint_32 y_pixels_per_unit PNG_DEPSTRUCT; /* vertical pixel density */
png_byte phys_unit_type PNG_DEPSTRUCT; /* resolution type (see PNG_RESOLUTION_ below) */
png_byte phys_unit_type PNG_DEPSTRUCT; /* resolution type (see
PNG_RESOLUTION_ below) */
#endif
#ifdef PNG_hIST_SUPPORTED
@@ -790,14 +811,19 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
png_charp pcal_purpose PNG_DEPSTRUCT; /* pCAL chunk description string */
png_int_32 pcal_X0 PNG_DEPSTRUCT; /* minimum value */
png_int_32 pcal_X1 PNG_DEPSTRUCT; /* maximum value */
png_charp pcal_units PNG_DEPSTRUCT; /* Latin-1 string giving physical units */
png_charpp pcal_params PNG_DEPSTRUCT; /* ASCII strings containing parameter values */
png_byte pcal_type PNG_DEPSTRUCT; /* equation type (see PNG_EQUATION_ below) */
png_byte pcal_nparams PNG_DEPSTRUCT; /* number of parameters given in pcal_params */
png_charp pcal_units PNG_DEPSTRUCT; /* Latin-1 string giving physical
units */
png_charpp pcal_params PNG_DEPSTRUCT; /* ASCII strings containing
parameter values */
png_byte pcal_type PNG_DEPSTRUCT; /* equation type
(see PNG_EQUATION_ below) */
png_byte pcal_nparams PNG_DEPSTRUCT; /* number of parameters given
in pcal_params */
#endif
/* New members added in libpng-1.0.6 */
png_uint_32 free_me PNG_DEPSTRUCT; /* flags items libpng is responsible for freeing */
png_uint_32 free_me PNG_DEPSTRUCT; /* flags items libpng is
responsible for freeing */
#if defined(PNG_UNKNOWN_CHUNKS_SUPPORTED) || \
defined(PNG_HANDLE_AS_UNKNOWN_SUPPORTED)
@@ -809,7 +835,8 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
#ifdef PNG_iCCP_SUPPORTED
/* iCCP chunk data. */
png_charp iccp_name PNG_DEPSTRUCT; /* profile name */
png_charp iccp_profile PNG_DEPSTRUCT; /* International Color Consortium profile data */
png_charp iccp_profile PNG_DEPSTRUCT; /* International Color Consortium
profile data */
/* Note to maintainer: should be png_bytep */
png_uint_32 iccp_proflen PNG_DEPSTRUCT; /* ICC profile data length */
png_byte iccp_compression PNG_DEPSTRUCT; /* Always zero */
@@ -841,13 +868,15 @@ defined(PNG_READ_BACKGROUND_SUPPORTED)
#endif
#ifdef PNG_INFO_IMAGE_SUPPORTED
/* Memory has been allocated if (valid & PNG_ALLOCATED_INFO_ROWS) non-zero */
/* Memory has been allocated if (valid & PNG_ALLOCATED_INFO_ROWS)
non-zero */
/* Data valid if (valid & PNG_INFO_IDAT) non-zero */
png_bytepp row_pointers PNG_DEPSTRUCT; /* the image bits */
#endif
#if defined(PNG_FIXED_POINT_SUPPORTED) && defined(PNG_gAMA_SUPPORTED)
png_fixed_point int_gamma PNG_DEPSTRUCT; /* gamma of image, if (valid & PNG_INFO_gAMA) */
png_fixed_point int_gamma PNG_DEPSTRUCT; /* gamma of image,
if (valid & PNG_INFO_gAMA) */
#endif
#if defined(PNG_cHRM_SUPPORTED) && defined(PNG_FIXED_POINT_SUPPORTED)
@@ -994,7 +1023,8 @@ typedef void (PNGAPI *png_write_status_ptr) PNGARG((png_structp, png_uint_32,
int));
#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
typedef void (PNGAPI *png_progressive_info_ptr) PNGARG((png_structp, png_infop));
typedef void (PNGAPI *png_progressive_info_ptr) PNGARG((png_structp,
png_infop));
typedef void (PNGAPI *png_progressive_end_ptr) PNGARG((png_structp, png_infop));
typedef void (PNGAPI *png_progressive_row_ptr) PNGARG((png_structp, png_bytep,
png_uint_32, int));
@@ -1007,7 +1037,8 @@ typedef void (PNGAPI *png_user_transform_ptr) PNGARG((png_structp,
#endif
#ifdef PNG_USER_CHUNKS_SUPPORTED
typedef int (PNGAPI *png_user_chunk_ptr) PNGARG((png_structp, png_unknown_chunkp));
typedef int (PNGAPI *png_user_chunk_ptr) PNGARG((png_structp,
png_unknown_chunkp));
#endif
#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
typedef void (PNGAPI *png_unknown_chunk_ptr) PNGARG((png_structp));
@@ -1059,83 +1090,128 @@ struct png_struct_def
{
#ifdef PNG_SETJMP_SUPPORTED
jmp_buf jmpbuf PNG_DEPSTRUCT; /* used in png_error */
png_longjmp_ptr longjmp_fn PNG_DEPSTRUCT;/* setjmp non-local goto function. */
png_longjmp_ptr longjmp_fn PNG_DEPSTRUCT;/* setjmp non-local goto
function. */
#endif
png_error_ptr error_fn PNG_DEPSTRUCT; /* function for printing errors and aborting */
png_error_ptr warning_fn PNG_DEPSTRUCT; /* function for printing warnings */
png_voidp error_ptr PNG_DEPSTRUCT; /* user supplied struct for error functions */
png_rw_ptr write_data_fn PNG_DEPSTRUCT; /* function for writing output data */
png_rw_ptr read_data_fn PNG_DEPSTRUCT; /* function for reading input data */
png_voidp io_ptr PNG_DEPSTRUCT; /* ptr to application struct for I/O functions */
png_error_ptr error_fn PNG_DEPSTRUCT; /* function for printing
errors and aborting */
png_error_ptr warning_fn PNG_DEPSTRUCT; /* function for printing
warnings */
png_voidp error_ptr PNG_DEPSTRUCT; /* user supplied struct for
error functions */
png_rw_ptr write_data_fn PNG_DEPSTRUCT; /* function for writing
output data */
png_rw_ptr read_data_fn PNG_DEPSTRUCT; /* function for reading
input data */
png_voidp io_ptr PNG_DEPSTRUCT; /* ptr to application struct
for I/O functions */
#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
png_user_transform_ptr read_user_transform_fn PNG_DEPSTRUCT; /* user read transform */
png_user_transform_ptr read_user_transform_fn PNG_DEPSTRUCT; /* user read
transform */
#endif
#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
png_user_transform_ptr write_user_transform_fn PNG_DEPSTRUCT; /* user write transform */
png_user_transform_ptr write_user_transform_fn PNG_DEPSTRUCT; /* user write
transform */
#endif
/* These were added in libpng-1.0.2 */
#ifdef PNG_USER_TRANSFORM_PTR_SUPPORTED
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
png_voidp user_transform_ptr PNG_DEPSTRUCT; /* user supplied struct for user transform */
png_byte user_transform_depth PNG_DEPSTRUCT; /* bit depth of user transformed pixels */
png_byte user_transform_channels PNG_DEPSTRUCT; /* channels in user transformed pixels */
png_voidp user_transform_ptr PNG_DEPSTRUCT; /* user supplied struct
for user transform */
png_byte user_transform_depth PNG_DEPSTRUCT; /* bit depth of user
transformed pixels */
png_byte user_transform_channels PNG_DEPSTRUCT; /* channels in user
transformed pixels */
#endif
#endif
png_uint_32 mode PNG_DEPSTRUCT; /* tells us where we are in the PNG file */
png_uint_32 flags PNG_DEPSTRUCT; /* flags indicating various things to libpng */
png_uint_32 transformations PNG_DEPSTRUCT; /* which transformations to perform */
png_uint_32 mode PNG_DEPSTRUCT; /* tells us where we are in
the PNG file */
png_uint_32 flags PNG_DEPSTRUCT; /* flags indicating various
things to libpng */
png_uint_32 transformations PNG_DEPSTRUCT; /* which transformations
to perform */
z_stream zstream PNG_DEPSTRUCT; /* pointer to decompression structure (below) */
z_stream zstream PNG_DEPSTRUCT; /* pointer to decompression
structure (below) */
png_bytep zbuf PNG_DEPSTRUCT; /* buffer for zlib */
png_size_t zbuf_size PNG_DEPSTRUCT; /* size of zbuf */
int zlib_level PNG_DEPSTRUCT; /* holds zlib compression level */
int zlib_method PNG_DEPSTRUCT; /* holds zlib compression method */
int zlib_window_bits PNG_DEPSTRUCT; /* holds zlib compression window bits */
int zlib_mem_level PNG_DEPSTRUCT; /* holds zlib compression memory level */
int zlib_strategy PNG_DEPSTRUCT; /* holds zlib compression strategy */
int zlib_window_bits PNG_DEPSTRUCT; /* holds zlib compression window
bits */
int zlib_mem_level PNG_DEPSTRUCT; /* holds zlib compression memory
level */
int zlib_strategy PNG_DEPSTRUCT; /* holds zlib compression
strategy */
png_uint_32 width PNG_DEPSTRUCT; /* width of image in pixels */
png_uint_32 height PNG_DEPSTRUCT; /* height of image in pixels */
png_uint_32 num_rows PNG_DEPSTRUCT; /* number of rows in current pass */
png_uint_32 usr_width PNG_DEPSTRUCT; /* width of row at start of write */
png_size_t rowbytes PNG_DEPSTRUCT; /* size of row in bytes */
png_size_t irowbytes PNG_DEPSTRUCT; /* size of current interlaced row in bytes */
png_uint_32 iwidth PNG_DEPSTRUCT; /* width of current interlaced row in pixels */
#if 0 /* Replaced with the following in libpng-1.4.1 */
png_size_t irowbytes PNG_DEPSTRUCT;
#endif
/* Added in libpng-1.4.1 */
#ifdef PNG_USER_LIMITS_SUPPORTED
/* Total memory that a zTXt, sPLT, iTXt, iCCP, or unknown chunk
* can occupy when decompressed. 0 means unlimited.
* We will change the typedef from png_size_t to png_alloc_size_t
* in libpng-1.6.0
*/
png_alloc_size_t user_chunk_malloc_max PNG_DEPSTRUCT;
#endif
png_uint_32 iwidth PNG_DEPSTRUCT; /* width of current interlaced
row in pixels */
png_uint_32 row_number PNG_DEPSTRUCT; /* current row in interlace pass */
png_bytep prev_row PNG_DEPSTRUCT; /* buffer to save previous (unfiltered) row */
png_bytep row_buf PNG_DEPSTRUCT; /* buffer to save current (unfiltered) row */
png_bytep sub_row PNG_DEPSTRUCT; /* buffer to save "sub" row when filtering */
png_bytep up_row PNG_DEPSTRUCT; /* buffer to save "up" row when filtering */
png_bytep avg_row PNG_DEPSTRUCT; /* buffer to save "avg" row when filtering */
png_bytep paeth_row PNG_DEPSTRUCT; /* buffer to save "Paeth" row when filtering */
png_row_info row_info PNG_DEPSTRUCT; /* used for transformation routines */
png_bytep prev_row PNG_DEPSTRUCT; /* buffer to save previous
(unfiltered) row */
png_bytep row_buf PNG_DEPSTRUCT; /* buffer to save current
(unfiltered) row */
png_bytep sub_row PNG_DEPSTRUCT; /* buffer to save "sub" row
when filtering */
png_bytep up_row PNG_DEPSTRUCT; /* buffer to save "up" row
when filtering */
png_bytep avg_row PNG_DEPSTRUCT; /* buffer to save "avg" row
when filtering */
png_bytep paeth_row PNG_DEPSTRUCT; /* buffer to save "Paeth" row
when filtering */
png_row_info row_info PNG_DEPSTRUCT; /* used for transformation
routines */
png_uint_32 idat_size PNG_DEPSTRUCT; /* current IDAT size for read */
png_uint_32 crc PNG_DEPSTRUCT; /* current chunk CRC value */
png_colorp palette PNG_DEPSTRUCT; /* palette from the input file */
png_uint_16 num_palette PNG_DEPSTRUCT; /* number of color entries in palette */
png_uint_16 num_palette PNG_DEPSTRUCT; /* number of color entries in
palette */
png_uint_16 num_trans PNG_DEPSTRUCT; /* number of transparency values */
png_byte chunk_name[5] PNG_DEPSTRUCT; /* null-terminated name of current chunk */
png_byte compression PNG_DEPSTRUCT; /* file compression type (always 0) */
png_byte chunk_name[5] PNG_DEPSTRUCT; /* null-terminated name of current
chunk */
png_byte compression PNG_DEPSTRUCT; /* file compression type
(always 0) */
png_byte filter PNG_DEPSTRUCT; /* file filter type (always 0) */
png_byte interlaced PNG_DEPSTRUCT; /* PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */
png_byte interlaced PNG_DEPSTRUCT; /* PNG_INTERLACE_NONE,
PNG_INTERLACE_ADAM7 */
png_byte pass PNG_DEPSTRUCT; /* current interlace pass (0 - 6) */
png_byte do_filter PNG_DEPSTRUCT; /* row filter flags (see PNG_FILTER_ below ) */
png_byte do_filter PNG_DEPSTRUCT; /* row filter flags (see
PNG_FILTER_ below ) */
png_byte color_type PNG_DEPSTRUCT; /* color type of file */
png_byte bit_depth PNG_DEPSTRUCT; /* bit depth of file */
png_byte usr_bit_depth PNG_DEPSTRUCT; /* bit depth of users row */
png_byte pixel_depth PNG_DEPSTRUCT; /* number of bits per pixel */
png_byte channels PNG_DEPSTRUCT; /* number of channels in file */
png_byte usr_channels PNG_DEPSTRUCT; /* channels at start of write */
png_byte sig_bytes PNG_DEPSTRUCT; /* magic bytes read/written from start of file */
png_byte sig_bytes PNG_DEPSTRUCT; /* magic bytes read/written from
start of file */
#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED)
png_uint_16 filler PNG_DEPSTRUCT; /* filler bytes for pixel expansion */
png_uint_16 filler PNG_DEPSTRUCT; /* filler bytes for pixel
expansion */
#endif
#ifdef PNG_bKGD_SUPPORTED
@@ -1143,73 +1219,108 @@ struct png_struct_def
# ifdef PNG_FLOATING_POINT_SUPPORTED
float background_gamma PNG_DEPSTRUCT;
# endif
png_color_16 background PNG_DEPSTRUCT; /* background color in screen gamma space */
png_color_16 background PNG_DEPSTRUCT; /* background color in
screen gamma space */
#ifdef PNG_READ_GAMMA_SUPPORTED
png_color_16 background_1 PNG_DEPSTRUCT; /* background normalized to gamma 1.0 */
png_color_16 background_1 PNG_DEPSTRUCT; /* background normalized
to gamma 1.0 */
#endif
#endif /* PNG_bKGD_SUPPORTED */
#ifdef PNG_WRITE_FLUSH_SUPPORTED
png_flush_ptr output_flush_fn PNG_DEPSTRUCT; /* Function for flushing output */
png_uint_32 flush_dist PNG_DEPSTRUCT; /* how many rows apart to flush, 0 - no flush */
png_uint_32 flush_rows PNG_DEPSTRUCT; /* number of rows written since last flush */
png_flush_ptr output_flush_fn PNG_DEPSTRUCT; /* Function for flushing
output */
png_uint_32 flush_dist PNG_DEPSTRUCT; /* how many rows apart to flush,
0 - no flush */
png_uint_32 flush_rows PNG_DEPSTRUCT; /* number of rows written since
last flush */
#endif
#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
int gamma_shift PNG_DEPSTRUCT; /* number of "insignificant" bits 16-bit gamma */
int gamma_shift PNG_DEPSTRUCT; /* number of "insignificant" bits
16-bit gamma */
#ifdef PNG_FLOATING_POINT_SUPPORTED
float gamma PNG_DEPSTRUCT; /* file gamma value */
float screen_gamma PNG_DEPSTRUCT; /* screen gamma value (display_exponent) */
float screen_gamma PNG_DEPSTRUCT; /* screen gamma value
(display_exponent) */
#endif
#endif
#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
png_bytep gamma_table PNG_DEPSTRUCT; /* gamma table for 8-bit depth files */
png_bytep gamma_table PNG_DEPSTRUCT; /* gamma table for 8-bit
depth files */
png_bytep gamma_from_1 PNG_DEPSTRUCT; /* converts from 1.0 to screen */
png_bytep gamma_to_1 PNG_DEPSTRUCT; /* converts from file to 1.0 */
png_uint_16pp gamma_16_table PNG_DEPSTRUCT; /* gamma table for 16-bit depth files */
png_uint_16pp gamma_16_from_1 PNG_DEPSTRUCT; /* converts from 1.0 to screen */
png_uint_16pp gamma_16_table PNG_DEPSTRUCT; /* gamma table for 16-bit
depth files */
png_uint_16pp gamma_16_from_1 PNG_DEPSTRUCT; /* converts from 1.0 to
screen */
png_uint_16pp gamma_16_to_1 PNG_DEPSTRUCT; /* converts from file to 1.0 */
#endif
#if defined(PNG_READ_GAMMA_SUPPORTED) || defined(PNG_sBIT_SUPPORTED)
png_color_8 sig_bit PNG_DEPSTRUCT; /* significant bits in each available channel */
png_color_8 sig_bit PNG_DEPSTRUCT; /* significant bits in each
available channel */
#endif
#if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED)
png_color_8 shift PNG_DEPSTRUCT; /* shift for significant bit tranformation */
png_color_8 shift PNG_DEPSTRUCT; /* shift for significant bit
tranformation */
#endif
#if defined(PNG_tRNS_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) \
|| defined(PNG_READ_EXPAND_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED)
png_bytep trans_alpha PNG_DEPSTRUCT; /* alpha values for paletted files */
png_color_16 trans_color PNG_DEPSTRUCT; /* transparent color for non-paletted files */
png_bytep trans_alpha PNG_DEPSTRUCT; /* alpha values for
paletted files */
png_color_16 trans_color PNG_DEPSTRUCT; /* transparent color for
non-paletted files */
#endif
png_read_status_ptr read_row_fn PNG_DEPSTRUCT; /* called after each row is decoded */
png_write_status_ptr write_row_fn PNG_DEPSTRUCT; /* called after each row is encoded */
png_read_status_ptr read_row_fn PNG_DEPSTRUCT; /* called after each
row is decoded */
png_write_status_ptr write_row_fn PNG_DEPSTRUCT; /* called after each
row is encoded */
#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
png_progressive_info_ptr info_fn PNG_DEPSTRUCT; /* called after header data fully read */
png_progressive_row_ptr row_fn PNG_DEPSTRUCT; /* called after each prog. row is decoded */
png_progressive_end_ptr end_fn PNG_DEPSTRUCT; /* called after image is complete */
png_bytep save_buffer_ptr PNG_DEPSTRUCT; /* current location in save_buffer */
png_bytep save_buffer PNG_DEPSTRUCT; /* buffer for previously read data */
png_bytep current_buffer_ptr PNG_DEPSTRUCT; /* current location in current_buffer */
png_bytep current_buffer PNG_DEPSTRUCT; /* buffer for recently used data */
png_uint_32 push_length PNG_DEPSTRUCT; /* size of current input chunk */
png_uint_32 skip_length PNG_DEPSTRUCT; /* bytes to skip in input data */
png_size_t save_buffer_size PNG_DEPSTRUCT; /* amount of data now in save_buffer */
png_size_t save_buffer_max PNG_DEPSTRUCT; /* total size of save_buffer */
png_size_t buffer_size PNG_DEPSTRUCT; /* total amount of available input data */
png_size_t current_buffer_size PNG_DEPSTRUCT; /* amount of data now in current_buffer */
int process_mode PNG_DEPSTRUCT; /* what push library is currently doing */
int cur_palette PNG_DEPSTRUCT; /* current push library palette index */
png_progressive_info_ptr info_fn PNG_DEPSTRUCT; /* called after header
data fully read */
png_progressive_row_ptr row_fn PNG_DEPSTRUCT; /* called after each
prog. row is decoded */
png_progressive_end_ptr end_fn PNG_DEPSTRUCT; /* called after image
is complete */
png_bytep save_buffer_ptr PNG_DEPSTRUCT; /* current location in
save_buffer */
png_bytep save_buffer PNG_DEPSTRUCT; /* buffer for previously
read data */
png_bytep current_buffer_ptr PNG_DEPSTRUCT; /* current location in
current_buffer */
png_bytep current_buffer PNG_DEPSTRUCT; /* buffer for recently
used data */
png_uint_32 push_length PNG_DEPSTRUCT; /* size of current input
chunk */
png_uint_32 skip_length PNG_DEPSTRUCT; /* bytes to skip in
input data */
png_size_t save_buffer_size PNG_DEPSTRUCT; /* amount of data now
in save_buffer */
png_size_t save_buffer_max PNG_DEPSTRUCT; /* total size of
save_buffer */
png_size_t buffer_size PNG_DEPSTRUCT; /* total amount of
available input data */
png_size_t current_buffer_size PNG_DEPSTRUCT; /* amount of data now
in current_buffer */
int process_mode PNG_DEPSTRUCT; /* what push library
is currently doing */
int cur_palette PNG_DEPSTRUCT; /* current push library
palette index */
# ifdef PNG_TEXT_SUPPORTED
png_size_t current_text_size PNG_DEPSTRUCT; /* current size of text input data */
png_size_t current_text_left PNG_DEPSTRUCT; /* how much text left to read in input */
png_charp current_text PNG_DEPSTRUCT; /* current text chunk buffer */
png_charp current_text_ptr PNG_DEPSTRUCT; /* current location in current_text */
png_size_t current_text_size PNG_DEPSTRUCT; /* current size of
text input data */
png_size_t current_text_left PNG_DEPSTRUCT; /* how much text left
to read in input */
png_charp current_text PNG_DEPSTRUCT; /* current text chunk
buffer */
png_charp current_text_ptr PNG_DEPSTRUCT; /* current location
in current_text */
# endif /* PNG_PROGRESSIVE_READ_SUPPORTED && PNG_TEXT_SUPPORTED */
#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
@@ -1224,8 +1335,9 @@ struct png_struct_def
#endif
#ifdef PNG_READ_DITHER_SUPPORTED
png_bytep palette_lookup PNG_DEPSTRUCT; /* lookup table for dithering */
png_bytep dither_index PNG_DEPSTRUCT; /* index translation for palette files */
png_bytep palette_lookup PNG_DEPSTRUCT; /* lookup table for dithering */
png_bytep dither_index PNG_DEPSTRUCT; /* index translation for palette
files */
#endif
#if defined(PNG_READ_DITHER_SUPPORTED) || defined(PNG_hIST_SUPPORTED)
@@ -1233,26 +1345,35 @@ struct png_struct_def
#endif
#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
png_byte heuristic_method PNG_DEPSTRUCT; /* heuristic for row filter selection */
png_byte num_prev_filters PNG_DEPSTRUCT; /* number of weights for previous rows */
png_bytep prev_filters PNG_DEPSTRUCT; /* filter type(s) of previous row(s) */
png_uint_16p filter_weights PNG_DEPSTRUCT; /* weight(s) for previous line(s) */
png_uint_16p inv_filter_weights PNG_DEPSTRUCT; /* 1/weight(s) for previous line(s) */
png_uint_16p filter_costs PNG_DEPSTRUCT; /* relative filter calculation cost */
png_uint_16p inv_filter_costs PNG_DEPSTRUCT; /* 1/relative filter calculation cost */
png_byte heuristic_method PNG_DEPSTRUCT; /* heuristic for row
filter selection */
png_byte num_prev_filters PNG_DEPSTRUCT; /* number of weights
for previous rows */
png_bytep prev_filters PNG_DEPSTRUCT; /* filter type(s) of
previous row(s) */
png_uint_16p filter_weights PNG_DEPSTRUCT; /* weight(s) for previous
line(s) */
png_uint_16p inv_filter_weights PNG_DEPSTRUCT; /* 1/weight(s) for
previous line(s) */
png_uint_16p filter_costs PNG_DEPSTRUCT; /* relative filter
calculation cost */
png_uint_16p inv_filter_costs PNG_DEPSTRUCT; /* 1/relative filter
calculation cost */
#endif
#ifdef PNG_TIME_RFC1123_SUPPORTED
png_charp time_buffer PNG_DEPSTRUCT; /* String to hold RFC 1123 time text */
png_charp time_buffer PNG_DEPSTRUCT; /* String to hold RFC 1123 time text */
#endif
/* New members added in libpng-1.0.6 */
png_uint_32 free_me PNG_DEPSTRUCT; /* flags items libpng is responsible for freeing */
png_uint_32 free_me PNG_DEPSTRUCT; /* flags items libpng is
responsible for freeing */
#ifdef PNG_USER_CHUNKS_SUPPORTED
png_voidp user_chunk_ptr PNG_DEPSTRUCT;
png_user_chunk_ptr read_user_chunk_fn PNG_DEPSTRUCT; /* user read chunk handler */
png_user_chunk_ptr read_user_chunk_fn PNG_DEPSTRUCT; /* user read
chunk handler */
#endif
#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
@@ -1291,31 +1412,37 @@ struct png_struct_def
/* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */
#ifdef PNG_USER_MEM_SUPPORTED
png_voidp mem_ptr PNG_DEPSTRUCT; /* user supplied struct for mem functions */
png_malloc_ptr malloc_fn PNG_DEPSTRUCT; /* function for allocating memory */
png_free_ptr free_fn PNG_DEPSTRUCT; /* function for freeing memory */
png_voidp mem_ptr PNG_DEPSTRUCT; /* user supplied struct for
mem functions */
png_malloc_ptr malloc_fn PNG_DEPSTRUCT; /* function for
allocating memory */
png_free_ptr free_fn PNG_DEPSTRUCT; /* function for
freeing memory */
#endif
/* New member added in libpng-1.0.13 and 1.2.0 */
png_bytep big_row_buf PNG_DEPSTRUCT; /* buffer to save current (unfiltered) row */
png_bytep big_row_buf PNG_DEPSTRUCT; /* buffer to save current
(unfiltered) row */
#ifdef PNG_READ_DITHER_SUPPORTED
/* The following three members were added at version 1.0.14 and 1.2.4 */
png_bytep dither_sort PNG_DEPSTRUCT; /* working sort array */
png_bytep index_to_palette PNG_DEPSTRUCT; /* where the original index currently is */
/* in the palette */
png_bytep palette_to_index PNG_DEPSTRUCT; /* which original index points to this */
/* palette color */
png_bytep index_to_palette PNG_DEPSTRUCT; /* where the original
index currently is
in the palette */
png_bytep palette_to_index PNG_DEPSTRUCT; /* which original index
points to this
palette color */
#endif
/* New members added in libpng-1.0.16 and 1.2.6 */
png_byte compression_type PNG_DEPSTRUCT;
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
#ifdef PNG_USER_LIMITS_SUPPORTED
png_uint_32 user_width_max PNG_DEPSTRUCT;
png_uint_32 user_height_max PNG_DEPSTRUCT;
/* Added in libpng-1.4.0: Total number of sPLT, text, and unknown
* chunks that can be stored (0x7fffffff means unlimited).
* chunks that can be stored (0 means unlimited).
*/
png_uint_32 user_chunk_cache_max PNG_DEPSTRUCT;
#endif
@@ -1333,8 +1460,8 @@ struct png_struct_def
/* New member added in libpng-1.2.30 */
png_charp chunkdata PNG_DEPSTRUCT; /* buffer for reading chunk data */
/* New member added in libpng-1.4.0 */
#ifdef PNG_IO_STATE_SUPPORTED
/* New member added in libpng-1.4.0 */
png_uint_32 io_state PNG_DEPSTRUCT;
#endif
};
@@ -1343,7 +1470,7 @@ 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_1beta01;
typedef png_structp version_1_4_1beta10;
typedef png_struct FAR * FAR * png_structpp;
@@ -1398,7 +1525,8 @@ extern PNG_EXPORT(void,png_set_compression_buffer_size)
* indicating an ABI mismatch.
*/
extern PNG_EXPORT(jmp_buf*, png_set_longjmp_fn)
PNGARG((png_structp png_ptr, png_longjmp_ptr longjmp_fn, size_t jmp_buf_size));
PNGARG((png_structp png_ptr, png_longjmp_ptr longjmp_fn, size_t
jmp_buf_size));
# define png_jmpbuf(png_ptr) \
(*png_set_longjmp_fn((png_ptr), longjmp, sizeof (jmp_buf)))
#else
@@ -1543,7 +1671,8 @@ extern PNG_EXPORT(void,png_set_swap) PNGARG((png_structp png_ptr));
extern PNG_EXPORT(void,png_set_packing) PNGARG((png_structp png_ptr));
#endif
#if defined(PNG_READ_PACKSWAP_SUPPORTED) || defined(PNG_WRITE_PACKSWAP_SUPPORTED)
#if defined(PNG_READ_PACKSWAP_SUPPORTED) || \
defined(PNG_WRITE_PACKSWAP_SUPPORTED)
/* Swap packing order of pixels in bytes. */
extern PNG_EXPORT(void,png_set_packswap) PNGARG((png_structp png_ptr));
#endif
@@ -1584,7 +1713,9 @@ extern PNG_EXPORT(void,png_set_strip_16) PNGARG((png_structp png_ptr));
#endif
#ifdef PNG_READ_DITHER_SUPPORTED
/* Turn on dithering, and reduce the palette to the number of colors available. */
/* Turn on dithering, and reduce the palette to the number of colors
* available.
*/
extern PNG_EXPORT(void,png_set_dither) PNGARG((png_structp png_ptr,
png_colorp palette, int num_palette, int maximum_colors,
png_uint_16p histogram, int full_dither));
@@ -1801,7 +1932,8 @@ extern PNG_EXPORT(void,png_set_compression_method) PNGARG((png_structp png_ptr,
#ifdef PNG_STDIO_SUPPORTED
/* Initialize the input/output for the PNG file to the default functions. */
extern PNG_EXPORT(void,png_init_io) PNGARG((png_structp png_ptr, png_FILE_p fp));
extern PNG_EXPORT(void,png_init_io) PNGARG((png_structp png_ptr,
png_FILE_p fp));
#endif
/* Replace the (error and abort), and warning functions with user
@@ -2358,7 +2490,8 @@ extern PNG_EXPORT(void, png_write_png) PNGARG((png_structp png_ptr,
extern PNG_EXPORT(png_charp,png_get_copyright) PNGARG((png_structp png_ptr));
extern PNG_EXPORT(png_charp,png_get_header_ver) PNGARG((png_structp png_ptr));
extern PNG_EXPORT(png_charp,png_get_header_version) PNGARG((png_structp png_ptr));
extern PNG_EXPORT(png_charp,png_get_header_version) PNGARG((png_structp
png_ptr));
extern PNG_EXPORT(png_charp,png_get_libpng_ver) PNGARG((png_structp png_ptr));
#ifdef PNG_MNG_FEATURES_SUPPORTED
@@ -2393,6 +2526,11 @@ extern PNG_EXPORT(void,png_set_chunk_cache_max) PNGARG((png_structp
png_ptr, png_uint_32 user_chunk_cache_max));
extern PNG_EXPORT(png_uint_32,png_get_chunk_cache_max)
PNGARG((png_structp png_ptr));
/* Added in libpng-1.4.1 */
extern PNG_EXPORT(void,png_set_chunk_malloc_max) PNGARG((png_structp
png_ptr, png_alloc_size_t user_chunk_cache_max));
extern PNG_EXPORT(png_alloc_size_t,png_get_chunk_malloc_max)
PNGARG((png_structp png_ptr));
#endif
#if defined(PNG_INCH_CONVERSIONS) && defined(PNG_FLOATING_POINT_SUPPORTED)
@@ -2455,16 +2593,18 @@ extern PNG_EXPORT(png_bytep,png_get_io_chunk_name)
/* fg and bg should be in `gamma 1.0' space; alpha is the opacity */
# define png_composite(composite, fg, alpha, bg) \
{ png_uint_16 temp = (png_uint_16)((png_uint_16)(fg) * (png_uint_16)(alpha) \
+ (png_uint_16)(bg)*(png_uint_16)(255 - \
(png_uint_16)(alpha)) + (png_uint_16)128); \
# define png_composite(composite, fg, alpha, bg) \
{ png_uint_16 temp = (png_uint_16)((png_uint_16)(fg) \
* (png_uint_16)(alpha) \
+ (png_uint_16)(bg)*(png_uint_16)(255 \
- (png_uint_16)(alpha)) + (png_uint_16)128); \
(composite) = (png_byte)((temp + (temp >> 8)) >> 8); }
# define png_composite_16(composite, fg, alpha, bg) \
{ png_uint_32 temp = (png_uint_32)((png_uint_32)(fg) * (png_uint_32)(alpha) \
+ (png_uint_32)(bg)*(png_uint_32)(65535L - \
(png_uint_32)(alpha)) + (png_uint_32)32768L); \
# define png_composite_16(composite, fg, alpha, bg) \
{ png_uint_32 temp = (png_uint_32)((png_uint_32)(fg) \
* (png_uint_32)(alpha) \
+ (png_uint_32)(bg)*(png_uint_32)(65535L \
- (png_uint_32)(alpha)) + (png_uint_32)32768L); \
(composite) = (png_uint_16)((temp + (temp >> 16)) >> 16); }
#else /* Standard method using integer division */

View File

@@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
* libpng version 1.4.1beta01 - January 8, 2010
* libpng version 1.4.1beta10 - February 8, 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)
@@ -28,7 +28,9 @@
/* Added at libpng-1.2.9 */
/* config.h is created by and PNG_CONFIGURE_LIBPNG is set by the "configure" script. */
/* config.h is created by and PNG_CONFIGURE_LIBPNG is set by the "configure"
* script.
*/
#ifdef PNG_CONFIGURE_LIBPNG
# ifdef HAVE_CONFIG_H
# include "config.h"
@@ -672,14 +674,29 @@
#endif
/* Added at libpng-1.2.6 */
#ifndef PNG_SET_USER_LIMITS_SUPPORTED
# ifndef PNG_NO_SET_USER_LIMITS
#ifndef PNG_NO_SET_USER_LIMITS
# ifndef PNG_SET_USER_LIMITS_SUPPORTED
# define PNG_SET_USER_LIMITS_SUPPORTED
# endif
/* Feature added at libpng-1.4.0, this flag added at 1.4.1 */
# ifndef PNG_SET_CHUNK_CACHE_LIMIT_SUPPORTED
# define PNG_SET_CHUNK_CACHE_LIMIT_SUPPORTED
# endif
/* Feature added at libpng-1.4.1, this flag added at 1.4.1 */
# ifndef PNG_SET_CHUNK_MALLOC_LIMIT_SUPPORTED
# define PNG_SET_CHUNK_MALLOC_LIMIT_SUPPORTED
# endif
#endif
/* Added at libpng-1.2.43 */
#ifndef PNG_USER_LIMITS_SUPPORTED
# ifndef PNG_NO_USER_LIMITS
# define PNG_USER_LIMITS_SUPPORTED
# endif
#endif
/* Added at libpng-1.0.16 and 1.2.6. To accept all valid PNGs no matter
* how large, set these limits to 0x7fffffffL
* how large, set these two limits to 0x7fffffffL
*/
#ifndef PNG_USER_WIDTH_MAX
# define PNG_USER_WIDTH_MAX 1000000L
@@ -688,9 +705,16 @@
# define PNG_USER_HEIGHT_MAX 1000000L
#endif
/* Added at libpng-1.4.0 */
/* Added at libpng-1.2.43. To accept all valid PNGs no matter
* how large, set these two limits to 0.
*/
#ifndef PNG_USER_CHUNK_CACHE_MAX
# define PNG_USER_CHUNK_CACHE_MAX 0x7fffffffL
# define PNG_USER_CHUNK_CACHE_MAX 0
#endif
/* Added at libpng-1.2.43 */
#ifndef PNG_USER_CHUNK_MALLOC_MAX
# define PNG_USER_CHUNK_MALLOC_MAX 0
#endif
/* Added at libpng-1.4.0 */
@@ -861,20 +885,22 @@
#endif /* PNG_READ_ANCILLARY_CHUNKS_SUPPORTED */
#ifndef PNG_NO_READ_UNKNOWN_CHUNKS
# define PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
# ifndef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
# define PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
# endif
# ifndef PNG_UNKNOWN_CHUNKS_SUPPORTED
# define PNG_UNKNOWN_CHUNKS_SUPPORTED
# endif
#endif
#if !defined(PNG_NO_READ_USER_CHUNKS) && \
defined(PNG_READ_UNKNOWN_CHUNKS_SUPPORTED)
# define PNG_READ_USER_CHUNKS_SUPPORTED
# define PNG_USER_CHUNKS_SUPPORTED
# ifdef PNG_NO_READ_UNKNOWN_CHUNKS
# undef PNG_NO_READ_UNKNOWN_CHUNKS
# ifndef PNG_READ_USER_CHUNKS_SUPPORTED
# define PNG_READ_USER_CHUNKS_SUPPORTED
# endif
# ifdef PNG_NO_HANDLE_AS_UNKNOWN
# undef PNG_NO_HANDLE_AS_UNKNOWN
#endif
#ifndef PNG_NO_READ_USER_CHUNKS
# ifndef PNG_READ_USER_CHUNKS_SUPPORTED
# define PNG_READ_USER_CHUNKS_SUPPORTED
# endif
# ifndef PNG_USER_CHUNKS_SUPPORTED
# define PNG_USER_CHUNKS_SUPPORTED
# endif
#endif
#ifndef PNG_NO_HANDLE_AS_UNKNOWN
@@ -1016,8 +1042,10 @@
#endif /* PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED */
#if !defined(PNG_NO_WRITE_FILTER) && !defined(PNG_WRITE_FILTER_SUPPORTED)
# define PNG_WRITE_FILTER_SUPPORTED
#ifndef PNG_NO_WRITE_FILTER
# ifndef PNG_WRITE_FILTER_SUPPORTED
# define PNG_WRITE_FILTER_SUPPORTED
# endif
#endif
#ifndef PNG_NO_WRITE_UNKNOWN_CHUNKS

View File

@@ -1,7 +1,7 @@
/* pngget.c - retrieval of values from info struct
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Last changed in libpng 1.4.1 [February 8, 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.)
@@ -880,7 +880,8 @@ png_get_compression_buffer_size(png_structp png_ptr)
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
/* These functions were added to libpng 1.2.6 */
/* These functions were added to libpng 1.2.6 and were enabled
* by default in libpng-1.4.0 */
png_uint_32 PNGAPI
png_get_user_width_max (png_structp png_ptr)
{
@@ -895,11 +896,18 @@ png_get_user_height_max (png_structp png_ptr)
png_uint_32 PNGAPI
png_get_chunk_cache_max (png_structp png_ptr)
{
return (png_ptr? png_ptr->user_chunk_cache_max? 0x7fffffffL :
png_ptr->user_chunk_cache_max - 1 : 0);
return (png_ptr? png_ptr->user_chunk_cache_max : 0);
}
/* This function was added to libpng 1.4.1 */
png_uint_32 PNGAPI
png_get_chunk_malloc_max (png_structp png_ptr)
{
return (png_ptr?
(png_uint_32)png_ptr->user_chunk_malloc_max : 0);
}
#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */
/* These functions were added to libpng 1.4.0 */
#ifdef PNG_IO_STATE_SUPPORTED
png_uint_32 PNGAPI
png_get_io_state (png_structp png_ptr)

View File

@@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Last changed in libpng 1.4.0 [February 8, 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.)
@@ -201,7 +201,7 @@ png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
{
#ifndef PNG_USER_MEM_SUPPORTED
if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out Of Memory"); /* Note "O" and "M" */
png_error(png_ptr, "Out Of Memory"); /* Note "O", "M" */
else
png_warning(png_ptr, "Out Of Memory");
#endif
@@ -229,7 +229,7 @@ png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
{
#ifndef PNG_USER_MEM_SUPPORTED
if ((png_ptr->flags&PNG_FLAG_MALLOC_NULL_MEM_OK) == 0)
png_error(png_ptr, "Out Of memory"); /* Note "O" and "M" */
png_error(png_ptr, "Out Of memory"); /* Note "O", "m" */
else
png_warning(png_ptr, "Out Of memory");
#endif

View File

@@ -1,7 +1,7 @@
/* pngpread.c - read a png file in push mode
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Last changed in libpng 1.4.1 [February 8, 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.)
@@ -329,7 +329,9 @@ png_push_read_chunk(png_structp png_ptr, png_infop info_ptr)
png_ptr->mode |= PNG_HAVE_IDAT;
png_ptr->process_mode = PNG_READ_IDAT_MODE;
png_push_have_info(png_ptr, info_ptr);
png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes;
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;
return;
}
@@ -698,8 +700,13 @@ png_push_save_buffer(png_structp png_ptr)
new_max = png_ptr->save_buffer_size + png_ptr->current_buffer_size + 256;
old_buffer = png_ptr->save_buffer;
png_ptr->save_buffer = (png_bytep)png_malloc(png_ptr,
png_ptr->save_buffer = (png_bytep)png_malloc_warn(png_ptr,
(png_size_t)new_max);
if (png_ptr->save_buffer == NULL)
{
png_free(png_ptr, old_buffer);
png_error(png_ptr, "Insufficient memory for save_buffer");
}
png_memcpy(png_ptr->save_buffer, old_buffer, png_ptr->save_buffer_size);
png_free(png_ptr, old_buffer);
png_ptr->save_buffer_max = new_max;
@@ -797,7 +804,7 @@ png_push_read_IDAT(png_structp png_ptr)
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;
@@ -869,7 +876,9 @@ png_process_IDAT_data(png_structp png_ptr, png_bytep buffer,
break;
}
png_push_process_row(png_ptr);
png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes;
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;
}
@@ -1134,9 +1143,6 @@ png_read_push_finish_row(png_structp png_ptr)
png_pass_start[png_ptr->pass]) /
png_pass_inc[png_ptr->pass];
png_ptr->irowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,
png_ptr->iwidth) + 1;
if (png_ptr->transformations & PNG_INTERLACE)
break;

View File

@@ -1,7 +1,7 @@
/* pngpriv.h - private declarations for use inside libpng
*
* libpng version 1.4.1beta01 - January 8, 2010
* libpng version 1.4.1beta10 - February 8, 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)
@@ -306,6 +306,8 @@ PNG_EXTERN void png_crc_read PNGARG((png_structp png_ptr, png_bytep buf,
/* Decompress data in a chunk that uses compression */
#if defined(PNG_zTXt_SUPPORTED) || defined(PNG_iTXt_SUPPORTED) || \
defined(PNG_iCCP_SUPPORTED) || defined(PNG_sPLT_SUPPORTED)
PNG_EXTERN png_size_t png_measure_decompressed_chunk PNGARG((png_structp
png_ptr, int comp_type, png_size_t chunklength, png_size_t prefix_length));
PNG_EXTERN void png_decompress_chunk PNGARG((png_structp png_ptr,
int comp_type, png_size_t chunklength, png_size_t prefix_length,
png_size_t *data_length));
@@ -351,8 +353,8 @@ PNG_EXTERN void png_write_IEND PNGARG((png_structp png_ptr));
PNG_EXTERN void png_write_gAMA PNGARG((png_structp png_ptr, double file_gamma));
#endif
#ifdef PNG_FIXED_POINT_SUPPORTED
PNG_EXTERN void png_write_gAMA_fixed PNGARG((png_structp png_ptr, png_fixed_point
file_gamma));
PNG_EXTERN void png_write_gAMA_fixed PNGARG((png_structp png_ptr,
png_fixed_point file_gamma));
#endif
#endif
@@ -556,7 +558,8 @@ PNG_EXTERN void png_do_strip_filler PNGARG((png_row_infop row_info,
PNG_EXTERN void png_do_swap PNGARG((png_row_infop row_info, png_bytep row));
#endif
#if defined(PNG_READ_PACKSWAP_SUPPORTED) || defined(PNG_WRITE_PACKSWAP_SUPPORTED)
#if defined(PNG_READ_PACKSWAP_SUPPORTED) || \
defined(PNG_WRITE_PACKSWAP_SUPPORTED)
PNG_EXTERN void png_do_packswap PNGARG((png_row_infop row_info, png_bytep row));
#endif

View File

@@ -1,7 +1,7 @@
/* pngread.c - read a PNG file
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Last changed in libpng 1.4.1 [February 8, 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.)
@@ -31,7 +31,9 @@ png_create_read_struct(png_const_charp user_png_ver, png_voidp error_ptr,
warn_fn, NULL, NULL, NULL));
}
/* Alternate create PNG structure for reading, and allocate any memory needed. */
/* Alternate create PNG structure for reading, and allocate any memory
* needed.
*/
png_structp PNGAPI
png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
png_error_ptr error_fn, png_error_ptr warn_fn, png_voidp mem_ptr,
@@ -65,11 +67,17 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
return (NULL);
/* Added at libpng-1.2.6 */
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
#ifdef PNG_USER_LIMITS_SUPPORTED
png_ptr->user_width_max = PNG_USER_WIDTH_MAX;
png_ptr->user_height_max = PNG_USER_HEIGHT_MAX;
/* Added at libpng-1.4.0 */
# ifdef PNG_USER_CHUNK_CACHE_MAX
/* Added at libpng-1.2.43 and 1.4.0 */
png_ptr->user_chunk_cache_max = PNG_USER_CHUNK_CACHE_MAX;
# endif
# ifdef PNG_SET_USER_CHUNK_MALLOC_MAX
/* Added at libpng-1.2.43 and 1.4.1 */
png_ptr->user_chunk_malloc_max = PNG_USER_CHUNK_MALLOC_MAX;
# endif
#endif
#ifdef PNG_SETJMP_SUPPORTED
@@ -477,7 +485,8 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
if (png_ptr->transformations & PNG_FILLER)
png_warning(png_ptr, "PNG_READ_FILLER_SUPPORTED is not defined");
#endif
#if defined(PNG_WRITE_PACKSWAP_SUPPORTED) && !defined(PNG_READ_PACKSWAP_SUPPORTED)
#if defined(PNG_WRITE_PACKSWAP_SUPPORTED) && \
!defined(PNG_READ_PACKSWAP_SUPPORTED)
if (png_ptr->transformations & PNG_PACKSWAP)
png_warning(png_ptr, "PNG_READ_PACKSWAP_SUPPORTED is not defined");
#endif
@@ -580,7 +589,9 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
png_error(png_ptr, "Invalid attempt to read row data");
png_ptr->zstream.next_out = png_ptr->row_buf;
png_ptr->zstream.avail_out = (uInt)png_ptr->irowbytes;
png_ptr->zstream.avail_out =
(uInt)(PNG_ROWBYTES(png_ptr->pixel_depth,
png_ptr->iwidth) + 1);
do
{
if (!(png_ptr->zstream.avail_in))
@@ -1044,7 +1055,8 @@ png_destroy_read_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr,
/* Free all memory used by the read (old method) */
void /* PRIVATE */
png_read_destroy(png_structp png_ptr, png_infop info_ptr, png_infop end_info_ptr)
png_read_destroy(png_structp png_ptr, png_infop info_ptr,
png_infop end_info_ptr)
{
#ifdef PNG_SETJMP_SUPPORTED
jmp_buf tmp_jmp;

View File

@@ -1,7 +1,7 @@
/* pngrio.c - functions for data input
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Last changed in libpng 1.4.1 [February 8, 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.)

View File

@@ -1,7 +1,7 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Last changed in libpng 1.4.1 [February 8, 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.)
@@ -432,8 +432,10 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
png_ptr->palette_to_index[png_ptr->index_to_palette[j]]
= png_ptr->palette_to_index[num_new_palette];
png_ptr->index_to_palette[j] = (png_byte)num_new_palette;
png_ptr->palette_to_index[num_new_palette] = (png_byte)j;
png_ptr->index_to_palette[j] =
(png_byte)num_new_palette;
png_ptr->palette_to_index[num_new_palette] =
(png_byte)j;
}
if (num_new_palette <= maximum_colors)
break;
@@ -502,7 +504,8 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
{
/* int dr = abs(ir - r); */
int dr = ((ir > r) ? ir - r : r - ir);
int index_r = (ir << (PNG_DITHER_BLUE_BITS + PNG_DITHER_GREEN_BITS));
int index_r = (ir << (PNG_DITHER_BLUE_BITS +
PNG_DITHER_GREEN_BITS));
for (ig = 0; ig < num_green; ig++)
{
@@ -747,8 +750,9 @@ png_init_read_transformations(png_structp png_ptr)
png_debug(1, "in png_init_read_transformations");
{
#if defined(PNG_READ_BACKGROUND_SUPPORTED) || defined(PNG_READ_SHIFT_SUPPORTED) \
|| defined(PNG_READ_GAMMA_SUPPORTED)
#if defined(PNG_READ_BACKGROUND_SUPPORTED) || \
defined(PNG_READ_SHIFT_SUPPORTED) || \
defined(PNG_READ_GAMMA_SUPPORTED)
int color_type = png_ptr->color_type;
#endif
@@ -945,7 +949,8 @@ png_init_read_transformations(png_structp png_ptr)
back.red = (png_byte)(pow(
(double)png_ptr->background.red/255.0, gs) * 255.0 + .5);
back.green = (png_byte)(pow(
(double)png_ptr->background.green/255.0, gs) * 255.0 + .5);
(double)png_ptr->background.green/255.0, gs) * 255.0
+ .5);
back.blue = (png_byte)(pow(
(double)png_ptr->background.blue/255.0, gs) * 255.0 + .5);
}
@@ -1357,7 +1362,8 @@ png_do_read_transformations(png_structp png_ptr)
if (png_ptr->transformations & PNG_RGB_TO_GRAY)
{
int rgb_error =
png_do_rgb_to_gray(png_ptr, &(png_ptr->row_info), png_ptr->row_buf + 1);
png_do_rgb_to_gray(png_ptr, &(png_ptr->row_info),
png_ptr->row_buf + 1);
if (rgb_error)
{
png_ptr->rgb_to_gray_status=1;
@@ -2343,7 +2349,8 @@ png_do_rgb_to_gray(png_structp png_ptr, png_row_infop row_info, png_bytep row)
{
png_uint_16 red_1 = png_ptr->gamma_16_to_1[(red&0xff) >>
png_ptr->gamma_shift][red>>8];
png_uint_16 green_1 = png_ptr->gamma_16_to_1[(green&0xff) >>
png_uint_16 green_1 =
png_ptr->gamma_16_to_1[(green&0xff) >>
png_ptr->gamma_shift][green>>8];
png_uint_16 blue_1 = png_ptr->gamma_16_to_1[(blue&0xff) >>
png_ptr->gamma_shift][blue>>8];
@@ -2439,13 +2446,14 @@ png_do_rgb_to_gray(png_structp png_ptr, png_row_infop row_info, png_bytep row)
else
{
png_uint_16 red_1 = png_ptr->gamma_16_to_1[(red&0xff) >>
png_ptr->gamma_shift][red>>8];
png_uint_16 green_1 = png_ptr->gamma_16_to_1[(green&0xff) >>
png_ptr->gamma_shift][green>>8];
png_ptr->gamma_shift][red>>8];
png_uint_16 green_1 =
png_ptr->gamma_16_to_1[(green&0xff) >>
png_ptr->gamma_shift][green>>8];
png_uint_16 blue_1 = png_ptr->gamma_16_to_1[(blue&0xff) >>
png_ptr->gamma_shift][blue>>8];
png_ptr->gamma_shift][blue>>8];
png_uint_16 gray16 = (png_uint_16)((rc * red_1
+ gc * green_1 + bc * blue_1)>>15);
+ gc * green_1 + bc * blue_1)>>15);
w = png_ptr->gamma_16_from_1[(gray16&0xff) >>
png_ptr->gamma_shift][gray16 >> 8];
rgb_error |= 1;
@@ -3375,10 +3383,10 @@ png_do_gamma(png_row_infop row_info, png_bytep row,
int d = *sp & 0x03;
*sp = (png_byte)(
((((int)gamma_table[a|(a>>2)|(a>>4)|(a>>6)]) ) & 0xc0)|
((((int)gamma_table[(b<<2)|b|(b>>2)|(b>>4)])>>2) & 0x30)|
((((int)gamma_table[(c<<4)|(c<<2)|c|(c>>2)])>>4) & 0x0c)|
((((int)gamma_table[(d<<6)|(d<<4)|(d<<2)|d])>>6) ));
((((int)gamma_table[a|(a>>2)|(a>>4)|(a>>6)]) ) & 0xc0)|
((((int)gamma_table[(b<<2)|b|(b>>2)|(b>>4)])>>2) & 0x30)|
((((int)gamma_table[(c<<4)|(c<<2)|c|(c>>2)])>>4) & 0x0c)|
((((int)gamma_table[(d<<6)|(d<<4)|(d<<2)|d])>>6) ));
sp++;
}
}
@@ -3392,7 +3400,7 @@ png_do_gamma(png_row_infop row_info, png_bytep row,
int lsb = *sp & 0x0f;
*sp = (png_byte)((((int)gamma_table[msb | (msb >> 4)]) & 0xf0)
| (((int)gamma_table[(lsb << 4) | lsb]) >> 4));
| (((int)gamma_table[(lsb << 4) | lsb]) >> 4));
sp++;
}
}

View File

@@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Last changed in libpng 1.4.1 [February 8, 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.)
@@ -201,6 +201,72 @@ png_crc_error(png_structp png_ptr)
#if defined(PNG_READ_zTXt_SUPPORTED) || defined(PNG_READ_iTXt_SUPPORTED) || \
defined(PNG_READ_iCCP_SUPPORTED)
png_size_t
png_measure_decompressed_chunk(png_structp png_ptr, int comp_type,
png_size_t chunklength, png_size_t prefix_size)
{
png_charp text;
png_charp test = "X";
png_size_t text_size = 0;
if (comp_type == PNG_COMPRESSION_TYPE_BASE)
{
int ret = Z_OK;
png_ptr->zstream.next_in = (png_bytep)(png_ptr->chunkdata + prefix_size);
png_ptr->zstream.avail_in = (uInt)(chunklength - prefix_size);
png_ptr->zstream.next_out = png_ptr->zbuf;
png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
text = NULL;
while (png_ptr->zstream.avail_in)
{
ret = inflate(&png_ptr->zstream, Z_PARTIAL_FLUSH);
if (ret != Z_OK && ret != Z_STREAM_END)
{
inflateReset(&png_ptr->zstream);
png_ptr->zstream.avail_in = 0;
break;
}
if (!png_ptr->zstream.avail_out || ret == Z_STREAM_END)
{
if (text == NULL) /* Initialize the decompression buffer */
{
text_size = prefix_size +
png_ptr->zbuf_size - png_ptr->zstream.avail_out;
text=test;
}
else /* Enlarge the decompression buffer */
{
text_size += png_ptr->zbuf_size - png_ptr->zstream.avail_out;
#ifdef PNG_SET_CHUNK_MALLOC_LIMIT_SUPPORTED
if (png_ptr->user_chunk_malloc_max &&
(text_size >= png_ptr->user_chunk_malloc_max - 1))
#else
if ((PNG_USER_CHUNK_MALLOC_MAX > 0) &&
text_size >= PNG_USER_CHUNK_MALLOC_MAX - 1)
#endif
return 0;
}
}
if (ret == Z_STREAM_END)
break;
else
{
png_ptr->zstream.next_out = png_ptr->zbuf;
png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
}
}
inflateReset(&png_ptr->zstream);
png_ptr->zstream.avail_in = 0;
}
return text_size;
}
/*
* Decompress trailing data in a chunk. The assumption is that chunkdata
* points at an allocated area holding the contents of a chunk with a
@@ -210,16 +276,27 @@ png_crc_error(png_structp png_ptr)
*/
void /* PRIVATE */
png_decompress_chunk(png_structp png_ptr, int comp_type,
png_size_t chunklength,
png_size_t prefix_size, png_size_t *newlength)
png_size_t chunklength,
png_size_t prefix_size, png_size_t *newlength)
{
static PNG_CONST char msg[] = "Error decoding compressed chunk";
png_charp text;
png_size_t text_size;
png_size_t expanded_size;
expanded_size= png_measure_decompressed_chunk(png_ptr, comp_type,
chunklength, prefix_size);
if (expanded_size == 0)
{
*newlength=0;
return;
}
if (comp_type == PNG_COMPRESSION_TYPE_BASE)
{
int ret = Z_OK;
png_size_t buffer_size;
png_ptr->zstream.next_in = (png_bytep)(png_ptr->chunkdata + prefix_size);
png_ptr->zstream.avail_in = (uInt)(chunklength - prefix_size);
png_ptr->zstream.next_out = png_ptr->zbuf;
@@ -227,6 +304,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
text_size = 0;
text = NULL;
buffer_size = 0;
while (png_ptr->zstream.avail_in)
{
@@ -245,11 +323,12 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
text_size = prefix_size + png_sizeof(msg) + 1;
text = (png_charp)png_malloc_warn(png_ptr, text_size);
if (text == NULL)
{
png_free(png_ptr, png_ptr->chunkdata);
png_ptr->chunkdata = NULL;
png_error(png_ptr, "Not enough memory to decompress chunk");
}
{
png_error(png_ptr,
"Not enough memory to decompress chunk");
text_size = 0;
break;
}
png_memcpy(text, png_ptr->chunkdata, prefix_size);
}
@@ -257,77 +336,46 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
/* Copy what we can of the error message into the text chunk */
text_size = (png_size_t)(chunklength -
(text - png_ptr->chunkdata) - 1);
(text - png_ptr->chunkdata) - 1);
if (text_size > png_sizeof(msg))
text_size = png_sizeof(msg);
png_memcpy(text + prefix_size, msg, text_size);
buffer_size = text_size;
break;
}
if (!png_ptr->zstream.avail_out || ret == Z_STREAM_END)
{
if (text == NULL)
if (text == NULL) /* Initialize the decompression buffer */
{
text_size = prefix_size +
png_ptr->zbuf_size - png_ptr->zstream.avail_out;
text_size = expanded_size;
text = (png_charp)png_malloc_warn(png_ptr, text_size + 1);
if (text == NULL)
{
png_free(png_ptr, png_ptr->chunkdata);
png_ptr->chunkdata = NULL;
png_error(png_ptr,
"Not enough memory to decompress chunk");
text_size = 0;
break;
}
png_memcpy(text + prefix_size, png_ptr->zbuf,
text_size - prefix_size);
png_memcpy(text, png_ptr->chunkdata, prefix_size);
*(text + text_size) = 0x00;
}
else
{
png_charp tmp;
tmp = text;
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
if ((png_ptr->user_chunk_cache_max != 0) &&
(--png_ptr->user_chunk_cache_max == 0))
{
png_warning(png_ptr, "No space in chunk cache");
text = NULL;
}
else
{
#endif
text = (png_charp)png_malloc_warn(png_ptr,
(png_size_t)(text_size +
png_ptr->zbuf_size - png_ptr->zstream.avail_out + 1));
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
}
#endif
if (text == NULL)
{
png_free(png_ptr, tmp);
png_free(png_ptr, png_ptr->chunkdata);
png_ptr->chunkdata = NULL;
png_error(png_ptr,
"Not enough memory to decompress chunk");
}
png_memcpy(text, tmp, text_size);
png_free(png_ptr, tmp);
png_memcpy(text + text_size, png_ptr->zbuf,
(png_ptr->zbuf_size - png_ptr->zstream.avail_out));
text_size += png_ptr->zbuf_size - png_ptr->zstream.avail_out;
*(text + text_size) = 0x00;
}
if (ret == Z_STREAM_END)
break;
else
{
png_ptr->zstream.next_out = png_ptr->zbuf;
png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
buffer_size = text_size;
}
}
if (ret == Z_STREAM_END)
break;
else
{
png_ptr->zstream.next_out = png_ptr->zbuf;
png_ptr->zstream.avail_out = (uInt)png_ptr->zbuf_size;
}
}
if (ret != Z_STREAM_END)
{
#ifdef PNG_STDIO_SUPPORTED
@@ -358,11 +406,11 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
{
text = (png_charp)png_malloc_warn(png_ptr, text_size+1);
if (text == NULL)
{
png_free(png_ptr, png_ptr->chunkdata);
png_ptr->chunkdata = NULL;
png_error(png_ptr, "Not enough memory for text");
}
{
png_free(png_ptr, png_ptr->chunkdata);
png_ptr->chunkdata = NULL;
png_error(png_ptr, "Not enough memory for text");
}
png_memcpy(text, png_ptr->chunkdata, prefix_size);
}
*(text + text_size) = 0x00;
@@ -1135,7 +1183,7 @@ png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_debug(1, "in png_handle_sPLT");
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
#ifdef PNG_USER_LIMITS_SUPPORTED
if (png_ptr->user_chunk_cache_max != 0)
{
@@ -1185,7 +1233,8 @@ png_handle_sPLT(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_ptr->chunkdata[slength] = 0x00;
for (entry_start = (png_bytep)png_ptr->chunkdata; *entry_start; entry_start++)
for (entry_start = (png_bytep)png_ptr->chunkdata; *entry_start;
entry_start++)
/* Empty loop to find end of name */ ;
++entry_start;
@@ -1939,7 +1988,7 @@ png_handle_tEXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_debug(1, "in png_handle_tEXt");
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
#ifdef PNG_USER_LIMITS_SUPPORTED
if (png_ptr->user_chunk_cache_max != 0)
{
if (png_ptr->user_chunk_cache_max == 1)
@@ -2041,7 +2090,7 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_debug(1, "in png_handle_zTXt");
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
#ifdef PNG_USER_LIMITS_SUPPORTED
if (png_ptr->user_chunk_cache_max != 0)
{
if (png_ptr->user_chunk_cache_max == 1)
@@ -2162,7 +2211,7 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_debug(1, "in png_handle_iTXt");
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
#ifdef PNG_USER_LIMITS_SUPPORTED
if (png_ptr->user_chunk_cache_max != 0)
{
if (png_ptr->user_chunk_cache_max == 1)
@@ -2306,7 +2355,7 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_debug(1, "in png_handle_unknown");
#ifdef PNG_SET_USER_LIMITS_SUPPORTED
#ifdef PNG_USER_LIMITS_SUPPORTED
if (png_ptr->user_chunk_cache_max != 0)
{
if (png_ptr->user_chunk_cache_max == 1)
@@ -2361,7 +2410,8 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_memcpy((png_charp)png_ptr->unknown_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';
png_ptr->unknown_chunk.name[png_sizeof(png_ptr->unknown_chunk.name)-1]
= '\0';
png_ptr->unknown_chunk.size = (png_size_t)length;
if (length == 0)
png_ptr->unknown_chunk.data = NULL;
@@ -2833,7 +2883,8 @@ png_do_read_interlace(png_structp png_ptr)
default:
{
png_size_t pixel_bytes = (row_info->pixel_depth >> 3);
png_bytep sp = row + (png_size_t)(row_info->width - 1) * pixel_bytes;
png_bytep sp = row + (png_size_t)(row_info->width - 1)
* pixel_bytes;
png_bytep dp = row + (png_size_t)(final_width - 1) * pixel_bytes;
int jstop = png_pass_inc[pass];
@@ -3028,9 +3079,6 @@ png_read_finish_row(png_structp png_ptr)
png_pass_start[png_ptr->pass]) /
png_pass_inc[png_ptr->pass];
png_ptr->irowbytes = PNG_ROWBYTES(png_ptr->pixel_depth,
png_ptr->iwidth) + 1;
if (!(png_ptr->transformations & PNG_INTERLACE))
{
png_ptr->num_rows = (png_ptr->height +
@@ -3155,16 +3203,12 @@ png_read_start_row(png_structp png_ptr)
png_pass_inc[png_ptr->pass] - 1 -
png_pass_start[png_ptr->pass]) /
png_pass_inc[png_ptr->pass];
png_ptr->irowbytes =
PNG_ROWBYTES(png_ptr->pixel_depth, png_ptr->iwidth) + 1;
}
else
#endif /* PNG_READ_INTERLACING_SUPPORTED */
{
png_ptr->num_rows = png_ptr->height;
png_ptr->iwidth = png_ptr->width;
png_ptr->irowbytes = png_ptr->rowbytes + 1;
}
max_pixel_depth = png_ptr->pixel_depth;
@@ -3329,7 +3373,8 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
png_debug1(3, "iwidth = %lu,", png_ptr->iwidth);
png_debug1(3, "num_rows = %lu,", png_ptr->num_rows);
png_debug1(3, "rowbytes = %lu,", png_ptr->rowbytes);
png_debug1(3, "irowbytes = %lu", png_ptr->irowbytes);
png_debug1(3, "irowbytes = %lu",
PNG_ROWBYTES(png_ptr->pixel_depth, png_ptr->iwidth) + 1);
png_ptr->flags |= PNG_FLAG_ROW_INIT;
}

View File

@@ -1,7 +1,7 @@
/* pngset.c - storage of image information into info struct
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Last changed in libpng 1.4.1 [February 8, 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.)
@@ -1130,18 +1130,24 @@ png_set_user_limits (png_structp png_ptr, png_uint_32 user_width_max,
png_ptr->user_width_max = user_width_max;
png_ptr->user_height_max = user_height_max;
}
/* This function was added to libpng 1.4.0 */
void PNGAPI
png_set_chunk_cache_max (png_structp png_ptr,
png_uint_32 user_chunk_cache_max)
{
if (png_ptr == NULL)
return;
png_ptr->user_chunk_cache_max = user_chunk_cache_max;
if (user_chunk_cache_max == 0x7fffffffL) /* Unlimited */
png_ptr->user_chunk_cache_max = 0;
else
png_ptr->user_chunk_cache_max = user_chunk_cache_max + 1;
if (png_ptr)
png_ptr->user_chunk_cache_max = user_chunk_cache_max;
}
/* This function was added to libpng 1.4.1 */
void PNGAPI
png_set_chunk_malloc_max (png_structp png_ptr,
png_alloc_size_t user_chunk_malloc_max)
{
if (png_ptr)
png_ptr->user_chunk_malloc_max =
(png_size_t)user_chunk_malloc_max;
}
#endif /* ?PNG_SET_USER_LIMITS_SUPPORTED */

View File

@@ -1,7 +1,7 @@
/* pngtest.c - a simple test program to test libpng
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Last changed in libpng 1.4.1 [February 8, 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.)
@@ -859,8 +859,8 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
{
png_fixed_point white_x, white_y, red_x, red_y, green_x, green_y, blue_x,
blue_y;
if (png_get_cHRM_fixed(read_ptr, read_info_ptr, &white_x, &white_y, &red_x,
&red_y, &green_x, &green_y, &blue_x, &blue_y))
if (png_get_cHRM_fixed(read_ptr, read_info_ptr, &white_x, &white_y,
&red_x, &red_y, &green_x, &green_y, &blue_x, &blue_y))
{
png_set_cHRM_fixed(write_ptr, write_info_ptr, white_x, white_y, red_x,
red_y, green_x, green_y, blue_x, blue_y);
@@ -1012,7 +1012,8 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
if (png_get_sCAL_s(read_ptr, read_info_ptr, &unit, &scal_width,
&scal_height))
{
png_set_sCAL_s(write_ptr, write_info_ptr, unit, scal_width, scal_height);
png_set_sCAL_s(write_ptr, write_info_ptr, unit, scal_width,
scal_height);
}
}
#endif
@@ -1465,14 +1466,14 @@ main(int argc, char *argv[])
#endif
for (i=2; i<argc; ++i)
{
#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
int k;
#endif
int kerror;
fprintf(STDERR, "\n Testing %s:", argv[i]);
kerror = test_one_file(argv[i], outname);
if (kerror == 0)
{
#ifdef PNG_READ_USER_TRANSFORM_SUPPORTED
int k;
#endif
#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
fprintf(STDERR, "\n PASS (%lu zero samples)\n",
(unsigned long)zero_samples);
@@ -1558,8 +1559,7 @@ main(int argc, char *argv[])
for (k = 0; k<256; k++)
if (filters_used[k])
fprintf(STDERR, " Filter %d was used %lu times\n",
k,
(unsigned long)filters_used[k]);
k, (unsigned long)filters_used[k]);
#endif
#ifdef PNG_TIME_RFC1123_SUPPORTED
if (tIME_chunk_present != 0)
@@ -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_1beta01 your_png_h_is_not_version_1_4_1beta01;
typedef version_1_4_1beta10 your_png_h_is_not_version_1_4_1beta10;

View File

@@ -38,7 +38,8 @@ png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr)
/* Write PNG signature */
png_write_sig(png_ptr);
#ifdef PNG_MNG_FEATURES_SUPPORTED
if ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&(png_ptr->mng_features_permitted))
if ((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) && \
(png_ptr->mng_features_permitted))
{
png_warning(png_ptr, "MNG features are not allowed in a PNG datastream");
png_ptr->mng_features_permitted = 0;
@@ -680,9 +681,11 @@ png_write_row(png_structp png_ptr, png_bytep row)
if (png_ptr->transformations & PNG_FILLER)
png_warning(png_ptr, "PNG_WRITE_FILLER_SUPPORTED is not defined");
#endif
#if !defined(PNG_WRITE_PACKSWAP_SUPPORTED) && defined(PNG_READ_PACKSWAP_SUPPORTED)
#if !defined(PNG_WRITE_PACKSWAP_SUPPORTED) && \
defined(PNG_READ_PACKSWAP_SUPPORTED)
if (png_ptr->transformations & PNG_PACKSWAP)
png_warning(png_ptr, "PNG_WRITE_PACKSWAP_SUPPORTED is not defined");
png_warning(png_ptr,
"PNG_WRITE_PACKSWAP_SUPPORTED is not defined");
#endif
#if !defined(PNG_WRITE_PACK_SUPPORTED) && defined(PNG_READ_PACK_SUPPORTED)
if (png_ptr->transformations & PNG_PACK)
@@ -936,7 +939,7 @@ png_destroy_write_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr)
{
png_free_data(png_ptr, info_ptr, PNG_FREE_ALL, -1);
#ifdef PNG_UNKNOWN_CHUNKS_SUPPORTED
#ifdef PNG_HANDLE_AS_UNKNOWN_SUPPORTED
if (png_ptr->num_chunk_list)
{
png_free(png_ptr, png_ptr->chunk_list);

View File

@@ -1,7 +1,7 @@
/* pngwtran.c - transforms the data in a row for PNG writers
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Last changed in libpng 1.4.1 [February 8, 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.)
@@ -30,7 +30,8 @@ png_do_write_transformations(png_structp png_ptr)
#ifdef PNG_WRITE_USER_TRANSFORM_SUPPORTED
if (png_ptr->transformations & PNG_USER_TRANSFORM)
if (png_ptr->write_user_transform_fn != NULL)
(*(png_ptr->write_user_transform_fn)) /* User write transform function */
(*(png_ptr->write_user_transform_fn)) /* User write transform
function */
(png_ptr, /* png_ptr */
&(png_ptr->row_info), /* row_info: */
/* png_uint_32 width; width of row */

View File

@@ -1,7 +1,7 @@
/* pngwutil.c - utilities to write a PNG file
*
* Last changed in libpng 1.4.0 [January 3, 2010]
* Last changed in libpng 1.4.1 [February 8, 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.)
@@ -436,7 +436,8 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height,
case 4:
case 8:
case 16: png_ptr->channels = 1; break;
default: png_error(png_ptr, "Invalid bit depth for grayscale image");
default: png_error(png_ptr,
"Invalid bit depth for grayscale image");
}
break;
case PNG_COLOR_TYPE_RGB:
@@ -639,7 +640,9 @@ png_write_PLTE(png_structp png_ptr, png_colorp palette, png_uint_32 num_pal)
png_write_chunk_data(png_ptr, buf, (png_size_t)3);
}
#else
/* This is a little slower but some buggy compilers need to do this instead */
/* This is a little slower but some buggy compilers need to do this
* instead
*/
pal_ptr=palette;
for (i = 0; i < num_pal; i++)
{

View File

@@ -226,7 +226,7 @@
COPY_PHASE_STRIP = NO;
DYLIB_COMPATIBILITY_VERSION = 14;
DYLIB_CURRENT_VERSION = 14;
FRAMEWORK_VERSION = 1.4.1beta01;
FRAMEWORK_VERSION = 1.4.1beta10;
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 = 1.4.1beta01;
FRAMEWORK_VERSION = 1.4.1beta10;
GCC_PRECOMPILE_PREFIX_HEADER = NO;
GCC_PREFIX_HEADER = "";
INFOPLIST_FILE = Info.plist;

View File

@@ -1,8 +1,8 @@
Makefiles for libpng version 1.4.1beta01 - January 8, 2010
Makefiles for libpng version 1.4.1beta10 - February 8, 2010
makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.14.1.4.1beta01)
(gcc, creates libpng14.so.14.1.4.1beta10)
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 1.4.1beta01 - January 8, 2010
makefile.dec => DEC Alpha UNIX makefile
makefile.dj2 => DJGPP 2 makefile
makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng14.so.14.1.4.1beta01)
gcc, creates libpng14.so.14.1.4.1beta10)
makefile.freebsd => FreeBSD makefile
makefile.gcc => Generic gcc makefile
makefile.hpgcc => HPUX makefile using gcc
@@ -36,12 +36,12 @@ Makefiles for libpng version 1.4.1beta01 - January 8, 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.14.1.4.1beta01)
creates libpng14.so.14.1.4.1beta10)
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.solaris => Solaris 2.X makefile (gcc,
creates libpng14.so.14.1.4.1beta01)
creates libpng14.so.14.1.4.1beta10)
makefile.so9 => Solaris 9 makefile (gcc,
creates libpng14.so.14.1.4.1beta01)
creates libpng14.so.14.1.4.1beta10)
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=1.4.1beta01
version=1.4.1beta10
prefix=""
libdir=""
libs=""

View File

@@ -5,6 +5,6 @@ includedir=@includedir@/libpng14
Name: libpng
Description: Loads and saves PNG files
Version: 1.4.1beta01
Version: 1.4.1beta10
Libs: -L${libdir} -lpng14
Cflags: -I${includedir}

View File

@@ -15,6 +15,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.so
# Utilities:
@@ -149,14 +150,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
chmod 755 $(DL)/$(LIBSOMAJ)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -15,6 +15,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.so
# Utilities:
@@ -149,14 +150,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
chmod 755 $(DL)/$(LIBSOMAJ)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -15,6 +15,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.so
# Utilities:
@@ -127,16 +128,16 @@ install-static: install-headers libpng.a
(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
chmod 755 $(DL)/$(LIBSOMAJ)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -26,6 +26,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).dylib
LIBSOMAJ=$(LIBNAME).$(PNGMAJ).dylib
LIBSOREL=$(LIBNAME).$(PNGMAJ).$(RELEASE).dylib
OLDSO=libpng.dylib
# Utilities:
@@ -129,14 +130,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
chmod 755 $(DL)/$(LIBSOMAJ)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -13,6 +13,7 @@ LIBNAME = libpng14
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.so
# Utilities:
@@ -114,14 +115,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
chmod 755 $(DL)/$(LIBSOMAJ)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -20,6 +20,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.so
OLDSOMAJ=libpng.so.14
@@ -173,13 +174,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -25,6 +25,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).sl
LIBSOMAJ=$(LIBNAME).sl.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.sl
# Utilities:
@@ -132,14 +133,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
chmod 755 $(DL)/$(LIBSOMAJ)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -15,6 +15,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).sl
LIBSOMAJ=$(LIBNAME).sl.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.sl
# Utilities:
@@ -141,14 +142,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
chmod 755 $(DL)/$(LIBSOMAJ)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -25,6 +25,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).sl
LIBSOMAJ=$(LIBNAME).sl.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.sl
# Utilities:
@@ -129,14 +130,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
chmod 755 $(DL)/$(LIBSOMAJ)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -17,7 +17,7 @@ INCSDIR=${LOCALBASE}/include/libpng14
LIB= png14
SHLIB_MAJOR= 0
SHLIB_MINOR= 1.4.1beta01
SHLIB_MINOR= 1.4.1beta10
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= 1.4.1beta01
SHLIB_MINOR= 1.4.1beta10
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= 1.4.1beta01
SHLIB_MINOR= 1.4.1beta10
LIB= png
SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \

View File

@@ -16,6 +16,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.so
# Utilities:
@@ -127,13 +128,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -13,6 +13,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.so
# Utilities:
@@ -135,13 +136,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -13,6 +13,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.so
# Utilities:
@@ -135,14 +136,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
chmod 755 $(DL)/$(LIBSOMAJ)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -16,6 +16,7 @@ LIBNAME = libpng14
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.so
# Utilities:
@@ -147,13 +148,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -15,6 +15,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.so
# Utilities:
@@ -144,13 +145,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -15,6 +15,7 @@ PNGMAJ = 14
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
LIBSOREL=$(LIBSOMAJ).$(RELEASE)
OLDSO=libpng.so
# Utilities:
@@ -144,13 +145,13 @@ install-static: install-headers libpng.a
install-shared: install-headers $(LIBSOMAJ) libpng.pc
-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
-@$(RM_F) $(DL)/$(LIBSO)
-@$(RM_F) $(DL)/$(LIBSOMAJ)
-@$(RM_F) $(DL)/$(LIBSOREL)
-@$(RM_F) $(DL)/$(OLDSO)
cp $(LIBSOMAJ) $(DL)
cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
chmod 755 $(DL)/$(LIBSOREL)
(cd $(DL); \
$(LN_SF) $(LIBSOMAJ) $(LIBSO); \
$(LN_SF) $(LIBSOREL) $(LIBSO); \
$(LN_SF) $(LIBSO) $(OLDSO))
-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
-@$(RM_F) $(DL)/pkgconfig/libpng.pc

View File

@@ -15,7 +15,7 @@ LIBRARY lpngce
png_get_int_32
EXPORTS
;Version 1.4.1beta01
;Version 1.4.1beta10
png_build_grayscale_palette @1
; png_check_sig @2
png_chunk_error @3
@@ -249,9 +249,11 @@ EXPORTS
png_set_benign_error @211
png_get_io_chunk_name @212
png_get_io_state @213
png_set_premultiply_alpha @214
png_get_chunk_cache_max @215
png_set_chunk_cache_max @216
png_check_cHRM_fixed @217
png_calloc @218
png_set_longjmp_fn @219
; Added at version 1.4.1
png_get_chunk_malloc_max @220
png_set_chunk_malloc_max @221

View File

@@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2
;----------------------------------------
; Version 1.4.1beta01
; Version 1.4.1beta10
LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2"
@@ -209,12 +209,14 @@ EXPORTS
; png_set_benign_error
png_get_io_chunk_name
png_get_io_state
png_set_premultiply_alpha
png_get_chunk_cache_max
png_set_chunk_cache_max
png_check_cHRM_fixed
png_calloc
png_set_longjmp_fn
; Added at version 1.4.1
png_get_chunk_malloc_max
png_set_chunk_malloc_max
; These are not present when libpng is compiled with PNG_NO_GLOBAL_ARRAYS
png_libpng_ver

View File

@@ -5,7 +5,7 @@
LIBRARY
EXPORTS
;Version 1.4.1beta01
;Version 1.4.1beta10
png_build_grayscale_palette
png_chunk_error
png_chunk_warning
@@ -204,9 +204,11 @@ EXPORTS
; png_set_benign_error
png_get_io_chunk_name
png_get_io_state
png_set_premultiply_alpha
png_get_chunk_cache_max
png_set_chunk_cache_max
png_check_cHRM_fixed
png_calloc
png_set_longjmp_fn
; Added at version 1.4.1
png_get_chunk_malloc_max
png_set_chunk_malloc_max