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Third Party Libpng
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体验新版 GitCode,发现更多精彩内容 >>
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895a9c97
编写于
7月 25, 2008
作者:
G
Glenn Randers-Pehrson
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Imported from libpng-1.4.0beta24.tar
上级
72b63302
变更
60
隐藏空白更改
内联
并排
Showing
60 changed file
with
262 addition
and
219 deletion
+262
-219
ANNOUNCE
ANNOUNCE
+29
-13
CHANGES
CHANGES
+10
-1
INSTALL
INSTALL
+9
-9
KNOWNBUG
KNOWNBUG
+1
-1
LICENSE
LICENSE
+2
-2
README
README
+7
-7
configure
configure
+10
-10
configure.ac
configure.ac
+2
-2
example.c
example.c
+3
-3
libpng-1.4.0beta24.txt
libpng-1.4.0beta24.txt
+3
-3
libpng.3
libpng.3
+8
-8
libpngpf.3
libpngpf.3
+3
-3
png.5
png.5
+1
-1
png.c
png.c
+6
-8
png.h
png.h
+10
-8
pngconf.h
pngconf.h
+1
-3
pngerror.c
pngerror.c
+34
-18
pngget.c
pngget.c
+1
-1
pngmem.c
pngmem.c
+8
-6
pngpread.c
pngpread.c
+7
-3
pngpriv.h
pngpriv.h
+4
-4
pngread.c
pngread.c
+9
-12
pngrio.c
pngrio.c
+1
-1
pngrtran.c
pngrtran.c
+7
-8
pngrutil.c
pngrutil.c
+31
-25
pngset.c
pngset.c
+13
-13
pngtest.c
pngtest.c
+8
-7
pngtrans.c
pngtrans.c
+1
-1
pngwio.c
pngwio.c
+1
-1
pngwrite.c
pngwrite.c
+2
-4
pngwtran.c
pngwtran.c
+1
-1
pngwutil.c
pngwutil.c
+1
-4
scripts/CMakeLists.txt
scripts/CMakeLists.txt
+1
-1
scripts/libpng-config-head.in
scripts/libpng-config-head.in
+1
-1
scripts/libpng.pc.in
scripts/libpng.pc.in
+1
-1
scripts/makefile.32sunu
scripts/makefile.32sunu
+1
-1
scripts/makefile.64sunu
scripts/makefile.64sunu
+1
-1
scripts/makefile.aix
scripts/makefile.aix
+1
-1
scripts/makefile.beos
scripts/makefile.beos
+1
-1
scripts/makefile.cygwin
scripts/makefile.cygwin
+1
-1
scripts/makefile.darwin
scripts/makefile.darwin
+1
-1
scripts/makefile.dec
scripts/makefile.dec
+1
-1
scripts/makefile.elf
scripts/makefile.elf
+1
-1
scripts/makefile.gcmmx
scripts/makefile.gcmmx
+1
-1
scripts/makefile.hp64
scripts/makefile.hp64
+1
-1
scripts/makefile.hpgcc
scripts/makefile.hpgcc
+1
-1
scripts/makefile.hpux
scripts/makefile.hpux
+1
-1
scripts/makefile.linux
scripts/makefile.linux
+1
-1
scripts/makefile.mingw
scripts/makefile.mingw
+1
-1
scripts/makefile.ne12bsd
scripts/makefile.ne12bsd
+1
-1
scripts/makefile.netbsd
scripts/makefile.netbsd
+1
-1
scripts/makefile.nommx
scripts/makefile.nommx
+1
-1
scripts/makefile.openbsd
scripts/makefile.openbsd
+1
-1
scripts/makefile.sco
scripts/makefile.sco
+1
-1
scripts/makefile.sggcc
scripts/makefile.sggcc
+1
-1
scripts/makefile.sgi
scripts/makefile.sgi
+1
-1
scripts/makefile.so9
scripts/makefile.so9
+1
-1
scripts/makefile.solaris
scripts/makefile.solaris
+1
-1
scripts/pngos2.def
scripts/pngos2.def
+1
-1
scripts/pngwin.def
scripts/pngwin.def
+1
-1
未找到文件。
ANNOUNCE
浏览文件 @
895a9c97
Libpng 1.4.0beta2
3 - July 22
, 2008
Libpng 1.4.0beta2
4 - July 25
, 2008
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.
...
...
@@ -9,27 +9,27 @@ Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
1.4.0beta2
3
.tar.gz
1.4.0beta2
3
.tar.bz2
1.4.0beta2
4
.tar.gz
1.4.0beta2
4
.tar.bz2
Source files with LF line endings (for Unix/Linux) without the
"configure" script
1.4.0beta2
3
-no-config.tar.gz
1.4.0beta2
3
-no-config.tar.bz2
1.4.0beta2
4
-no-config.tar.gz
1.4.0beta2
4
-no-config.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lp140b2
3
.zip
lp140b2
3
.tar.bz2
lp140b2
4
.zip
lp140b2
4
.tar.bz2
Other information:
1.4.0beta2
3
-README.txt
1.4.0beta2
3
-KNOWNBUGS.txt
1.4.0beta2
3
-LICENSE.txt
1.4.0beta2
3
-Y2K-compliance.txt
1.4.0beta2
4
-README.txt
1.4.0beta2
4
-KNOWNBUGS.txt
1.4.0beta2
4
-LICENSE.txt
1.4.0beta2
4
-Y2K-compliance.txt
Changes since the last public release (1.2.10):
...
...
@@ -252,9 +252,25 @@ version 1.4.0beta20 [July 9, 2008]
Revised makefile.mingw
Prefer PNG_USE_PNGVCRD when _MSC_VER is defined in pngconf.h
version 1.4.0beta21 [July 2
2
, 2008]
version 1.4.0beta21 [July 2
1
, 2008]
Moved local array "chunkdata" from pngrutil.c to the png_struct, so
it will be freed by png_read_destroy() in case of a read error.
it will be freed by png_read_destroy() in case of a read error (Kurt
Christensen).
version 1.4.0beta22 [July 21, 2008]
Change "purpose" and "buffer" to png_ptr->chunkdata to avoid memory leaking.
version 1.4.0beta23 [July 22, 2008]
Change "chunkdata = NULL" to "png_ptr->chunkdata = NULL" several places in
png_decompress_chunk().
version 1.4.0beta24 [July 25, 2008]
Change all remaining "chunkdata" to "png_ptr->chunkdata" in
png_decompress_chunk(), and remove "chunkdata" from parameter list.
Put a call to png_check_chunk_name() in png_read_chunk_header().
Revised png_check_chunk_name() to reject a name with a lowercase 3rd byte.
Removed two calls to png_check_chunk_name() occuring later in the process.
Define PNG_NO_ERROR_NUMBERS by default in pngconf.h
version 1.4.0betaN [future]
Build shared libraries with -lz and sometimes -lm.
...
...
CHANGES
浏览文件 @
895a9c97
...
...
@@ -1927,7 +1927,8 @@ version 1.4.0beta20 [July 9, 2008]
version 1.4.0beta21 [July 21, 2008]
Moved local array "chunkdata" from pngrutil.c to the png_struct, so
it will be freed by png_read_destroy() in case of a read error.
it will be freed by png_read_destroy() in case of a read error (Kurt
Christensen).
version 1.4.0beta22 [July 21, 2008]
Change "purpose" and "buffer" to png_ptr->chunkdata to avoid memory leaking.
...
...
@@ -1936,6 +1937,14 @@ version 1.4.0beta23 [July 22, 2008]
Change "chunkdata = NULL" to "png_ptr->chunkdata = NULL" several places in
png_decompress_chunk().
version 1.4.0beta24 [July 25, 2008]
Change all remaining "chunkdata" to "png_ptr->chunkdata" in
png_decompress_chunk(), and remove "chunkdata" from parameter list.
Put a call to png_check_chunk_name() in png_read_chunk_header().
Revised png_check_chunk_name() to reject a name with a lowercase 3rd byte.
Removed two calls to png_check_chunk_name() occuring later in the process.
Define PNG_NO_ERROR_NUMBERS by default in pngconf.h
version 1.4.0betaN [future]
Build shared libraries with -lz and sometimes -lm.
...
...
INSTALL
浏览文件 @
895a9c97
Installing libpng version 1.4.0beta2
3 - July 22
, 2008
Installing libpng version 1.4.0beta2
4 - July 25
, 2008
On Unix/Linux and similar systems, you can simply type
...
...
@@ -44,7 +44,7 @@ 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-1.4.0beta2
3
" or "lpng109" and "zlib-1.2.1"
might be called "libpng-1.4.0beta2
4
" or "lpng109" and "zlib-1.2.1"
or "zlib121") so that you have directories called "zlib" and "libpng".
Your directory structure should look like this:
...
...
@@ -95,14 +95,14 @@ include
CMakeLists.txt => "cmake" script
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng14.so.1.1.4.0beta2
3
)
gcc, creates libpng14.so.1.1.4.0beta2
4
)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.1.1.4.0beta2
3
)
(gcc, creates libpng14.so.1.1.4.0beta2
4
)
makefile.gcmmx => Linux/ELF makefile
(gcc, creates libpng14.so.1.1.4.0beta2
3
,
(gcc, creates libpng14.so.1.1.4.0beta2
4
,
uses assembler code tuned for Intel MMX platform)
makefile.nommx => Linux/ELF makefile
(gcc, creates libpng14.so.1.1.4.0beta2
3
(gcc, creates libpng14.so.1.1.4.0beta2
4
does not use Intel MMX assembler code)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
...
...
@@ -125,12 +125,12 @@ include
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
makefile.sggcc => Silicon Graphics (gcc,
creates libpng14.so.1.1.4.0beta2
3
)
creates libpng14.so.1.1.4.0beta2
4
)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile (gcc,
creates libpng14.so.1.1.4.0beta2
3
)
creates libpng14.so.1.1.4.0beta2
4
)
makefile.so9 => Solaris 9 makefile (gcc,
creates libpng14.so.1.1.4.0beta2
3
)
creates libpng14.so.1.1.4.0beta2
4
)
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
...
...
KNOWNBUG
浏览文件 @
895a9c97
Known bugs in libpng version 1.4.0beta2
3
Known bugs in libpng version 1.4.0beta2
4
1. April 22, 2001: pnggccrd.c has been reported to crash on NetBSD when
reading interlaced PNG files, when assembler code is enabled but running
...
...
LICENSE
浏览文件 @
895a9c97
...
...
@@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
If you modify libpng you may insert additional notices immediately following
this sentence.
libpng versions 1.2.6, August 15, 2004, through 1.4.0beta2
3, July 22
, 2008, are
libpng versions 1.2.6, August 15, 2004, through 1.4.0beta2
4, July 25
, 2008, 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
...
...
@@ -106,4 +106,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
July 2
2
, 2008
July 2
5
, 2008
README
浏览文件 @
895a9c97
README for libpng version 1.4.0beta2
3 - July 22
, 2008 (shared library 14.0)
README for libpng version 1.4.0beta2
4 - July 25
, 2008 (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.
...
...
@@ -184,11 +184,11 @@ Files in this distribution:
descrip.mms => VMS makefile for MMS or MMK
makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
makefile.elf => Linux/ELF makefile symbol versioning,
gcc, creates libpng14.so.1.1.4.0beta2
3
)
gcc, creates libpng14.so.1.1.4.0beta2
4
)
makefile.linux => Linux/ELF makefile
(gcc, creates libpng14.so.1.1.4.0beta2
3
)
(gcc, creates libpng14.so.1.1.4.0beta2
4
)
makefile.gcmmx => Linux/ELF makefile
(gcc, creates libpng14.so.1.1.4.0beta2
3
,
(gcc, creates libpng14.so.1.1.4.0beta2
4
,
uses assembler code tuned for Intel MMX platform)
makefile.gcc => Generic makefile (gcc, creates static libpng.a)
makefile.knr => Archaic UNIX Makefile that converts files with
...
...
@@ -210,12 +210,12 @@ Files in this distribution:
makefile.openbsd => OpenBSD makefile
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
makefile.sggcc => Silicon Graphics
(gcc, creates libpng14.so.1.1.4.0beta2
3
)
(gcc, creates libpng14.so.1.1.4.0beta2
4
)
makefile.sunos => Sun makefile
makefile.solaris => Solaris 2.X makefile
(gcc, creates libpng14.so.1.1.4.0beta2
3
)
(gcc, creates libpng14.so.1.1.4.0beta2
4
)
makefile.so9 => Solaris 9 makefile
(gcc, creates libpng14.so.1.1.4.0beta2
3
)
(gcc, creates libpng14.so.1.1.4.0beta2
4
)
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
...
...
configure
浏览文件 @
895a9c97
...
...
@@ -728,8 +728,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
# Identity of this package.
PACKAGE_NAME='libpng'
PACKAGE_TARNAME='libpng'
PACKAGE_VERSION='1.4.0beta2
3
'
PACKAGE_STRING='libpng 1.4.0beta2
3
'
PACKAGE_VERSION='1.4.0beta2
4
'
PACKAGE_STRING='libpng 1.4.0beta2
4
'
PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
ac_unique_file="pngget.c"
...
...
@@ -1404,7 +1404,7 @@ if test "$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 1.4.0beta2
3
to adapt to many kinds of systems.
\`configure' configures libpng 1.4.0beta2
4
to adapt to many kinds of systems.
Usage: $0 [OPTION]... [VAR=VALUE]...
...
...
@@ -1474,7 +1474,7 @@ fi
if test -n "$ac_init_help"; then
case $ac_init_help in
short | recursive ) echo "Configuration of libpng 1.4.0beta2
3
:";;
short | recursive ) echo "Configuration of libpng 1.4.0beta2
4
:";;
esac
cat <<\_ACEOF
...
...
@@ -1584,7 +1584,7 @@ fi
test -n "$ac_init_help" && exit $ac_status
if $ac_init_version; then
cat <<\_ACEOF
libpng configure 1.4.0beta2
3
libpng configure 1.4.0beta2
4
generated by GNU Autoconf 2.61
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
...
...
@@ -1598,7 +1598,7 @@ 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 1.4.0beta2
3
, which was
It was created by libpng $as_me 1.4.0beta2
4
, which was
generated by GNU Autoconf 2.61. Invocation command line was
$ $0 $@
...
...
@@ -2268,7 +2268,7 @@ fi
# Define the identity of the package.
PACKAGE='libpng'
VERSION='1.4.0beta2
3
'
VERSION='1.4.0beta2
4
'
cat >>confdefs.h <<_ACEOF
...
...
@@ -2439,7 +2439,7 @@ fi
PNGLIB_VERSION=1.4.0beta2
3
PNGLIB_VERSION=1.4.0beta2
4
PNGLIB_MAJOR=14
PNGLIB_MINOR=0
...
...
@@ -21119,7 +21119,7 @@ exec 6>&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 1.4.0beta2
3
, which was
This file was extended by libpng $as_me 1.4.0beta2
4
, which was
generated by GNU Autoconf 2.61. Invocation command line was
CONFIG_FILES = $CONFIG_FILES
...
...
@@ -21172,7 +21172,7 @@ Report bugs to <bug-autoconf@gnu.org>."
_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF
ac_cs_version="\\
libpng config.status 1.4.0beta2
3
libpng config.status 1.4.0beta2
4
configured by $0, generated by GNU Autoconf 2.61,
with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
...
...
configure.ac
浏览文件 @
895a9c97
...
...
@@ -18,12 +18,12 @@ AC_PREREQ(2.59)
dnl Version number stuff here:
AC_INIT([libpng], [1.4.0beta2
3
], [png-mng-implement@lists.sourceforge.net])
AC_INIT([libpng], [1.4.0beta2
4
], [png-mng-implement@lists.sourceforge.net])
AM_INIT_AUTOMAKE
dnl stop configure from automagically running automake
AM_MAINTAINER_MODE
PNGLIB_VERSION=1.4.0beta2
3
PNGLIB_VERSION=1.4.0beta2
4
PNGLIB_MAJOR=14
PNGLIB_MINOR=0
...
...
example.c
浏览文件 @
895a9c97
...
...
@@ -2,7 +2,7 @@
#if 0 /* in case someone actually tries to compile this */
/* example.c - an example of using libpng
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* This file has been placed in the public domain by the authors.
* Maintained 1998-2008 Glenn Randers-Pehrson
* Maintained 1996, 1997 Andreas Dilger)
...
...
@@ -793,13 +793,13 @@ void write_png(char *file_name /* , ... other image information ... */)
allocated it with malloc() instead of png_malloc(), use free() instead
of png_free(). */
png_free
(
png_ptr
,
palette
);
palette
=
NULL
;
palette
=
NULL
;
/* Similarly, if you png_malloced any data that you passed in with
png_set_something(), such as a hist or trans array, free it here,
when you can be sure that libpng is through with it. */
png_free
(
png_ptr
,
trans
);
trans
=
NULL
;
trans
=
NULL
;
/* clean up after the write, and free any memory allocated */
png_destroy_write_struct
(
&
png_ptr
,
&
info_ptr
);
...
...
libpng-1.4.0beta2
3
.txt
→
libpng-1.4.0beta2
4
.txt
浏览文件 @
895a9c97
libpng.txt - A description on how to use and modify libpng
libpng version 1.4.0beta2
3 - July 22
, 2008
libpng version 1.4.0beta2
4 - July 25
, 2008
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
...
...
@@ -2917,13 +2917,13 @@ application:
IX. Y2K Compliance in libpng
July 2
2
, 2008
July 2
5
, 2008
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 1.4.0beta2
3
are Y2K compliant. It is my belief that earlier
upward through 1.4.0beta2
4
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
...
...
libpng.3
浏览文件 @
895a9c97
.TH LIBPNG 3 "July 2
2
, 2008"
.TH LIBPNG 3 "July 2
5
, 2008"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta2
3
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta2
4
.SH SYNOPSIS
\fI\fB
...
...
@@ -797,7 +797,7 @@ 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 1.4.0beta2
3 - July 22
, 2008
libpng version 1.4.0beta2
4 - July 25
, 2008
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2005 Glenn Randers-Pehrson
...
...
@@ -3714,13 +3714,13 @@ application:
.SH IX. Y2K Compliance in libpng
July 2
2
, 2008
July 2
5
, 2008
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 1.4.0beta2
3
are Y2K compliant. It is my belief that earlier
upward through 1.4.0beta2
4
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
...
...
@@ -3943,7 +3943,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.4.0beta2
3 - July 22
, 2008:
Libpng version 1.4.0beta2
4 - July 25
, 2008:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
...
...
@@ -3964,7 +3964,7 @@ included in the libpng distribution, the latter shall prevail.)
If you modify libpng you may insert additional notices immediately following
this sentence.
libpng versions 1.2.6, August 15, 2004, through 1.4.0beta2
3, July 22
, 2008, are
libpng versions 1.2.6, August 15, 2004, through 1.4.0beta2
4, July 25
, 2008, 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
...
...
@@ -4063,7 +4063,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
July 2
2
, 2008
July 2
5
, 2008
.\" end of man page
libpngpf.3
浏览文件 @
895a9c97
.TH LIBPNGPF 3 "July 2
2
, 2008"
.TH LIBPNGPF 3 "July 2
5
, 2008"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta2
3
libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta2
4
(private functions)
.SH SYNOPSIS
\fB#include <png.h>\fP
...
...
@@ -81,7 +81,7 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.4.0beta23
\fI\fB
\fB
png_charp png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type\fP\fB, png_charp \fP\fIchunkdata
\fP\fB, png_size_t \fP\fIchunklength\fP\fB, png_size_t \fP\fIprefix_length\fP\fB, png_size_t \fI*data_length\fP\fB);\fP
\fB
void png_decompress_chunk (png_structp \fP\fIpng_ptr\fP\fB, int \fP\fIcomp_type
\fP\fB, png_size_t \fP\fIchunklength\fP\fB, png_size_t \fP\fIprefix_length\fP\fB, png_size_t \fI*data_length\fP\fB);\fP
\fI\fB
...
...
png.5
浏览文件 @
895a9c97
.TH PNG 5 "July 2
2
, 2008"
.TH PNG 5 "July 2
5
, 2008"
.SH NAME
png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION
...
...
png.c
浏览文件 @
895a9c97
/* png.c - location for general purpose libpng functions
*
* Last changed in libpng 1.2.30 [July 2
2
, 2008]
* Last changed in libpng 1.2.30 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -13,7 +13,7 @@
#include "pngpriv.h"
/* Generate a compiler error if there is an old png.h in the search path. */
typedef
version_1_4_0beta2
3
Your_png_h_is_not_version_1_4_0beta23
;
typedef
version_1_4_0beta2
4
Your_png_h_is_not_version_1_4_0beta24
;
/* Version information for C files. This had better match the version
* string defined in png.h. */
...
...
@@ -337,11 +337,11 @@ if ((mask & PNG_FREE_TRNS) && (png_ptr->flags & PNG_FLAG_FREE_TRNS))
#endif
{
png_free
(
png_ptr
,
info_ptr
->
trans
);
info_ptr
->
trans
=
NULL
;
info_ptr
->
valid
&=
~
PNG_INFO_tRNS
;
#ifndef PNG_FREE_ME_SUPPORTED
png_ptr
->
flags
&=
~
PNG_FLAG_FREE_TRNS
;
#endif
info_ptr
->
trans
=
NULL
;
}
#endif
...
...
@@ -447,6 +447,7 @@ if (mask & PNG_FREE_SPLT)
png_free
(
png_ptr
,
png_ptr
->
unknown_chunk
.
data
);
png_ptr
->
unknown_chunk
.
data
=
NULL
;
}
#ifdef PNG_FREE_ME_SUPPORTED
if
((
mask
&
PNG_FREE_UNKN
)
&
info_ptr
->
free_me
)
#else
...
...
@@ -525,10 +526,8 @@ if (mask & PNG_FREE_ROWS)
for
(
row
=
0
;
row
<
(
int
)
info_ptr
->
height
;
row
++
)
{
png_free
(
png_ptr
,
info_ptr
->
row_pointers
[
row
]);
info_ptr
->
row_pointers
[
row
]
=
NULL
;
}
png_free
(
png_ptr
,
info_ptr
->
row_pointers
);
info_ptr
->
row_pointers
=
NULL
;
}
info_ptr
->
valid
&=
~
PNG_INFO_IDAT
;
}
...
...
@@ -557,8 +556,7 @@ png_info_destroy(png_structp png_ptr, png_infop info_ptr)
if
(
png_ptr
->
num_chunk_list
)
{
png_free
(
png_ptr
,
png_ptr
->
chunk_list
);
png_ptr
->
chunk_list
=
NULL
;
png_ptr
->
num_chunk_list
=
0
;
png_ptr
->
num_chunk_list
=
0
;
}
#endif
...
...
@@ -638,7 +636,7 @@ png_charp PNGAPI
png_get_copyright
(
png_structp
png_ptr
)
{
png_ptr
=
png_ptr
;
/* silence compiler warning about unused png_ptr */
return
((
png_charp
)
"
\n
libpng version 1.4.0beta2
3 - July 22
, 2008
\n
\
return
((
png_charp
)
"
\n
libpng version 1.4.0beta2
4 - July 25
, 2008
\n
\
Copyright (c) 1998-2008 Glenn Randers-Pehrson
\n
\
Copyright (c) 1996-1997 Andreas Dilger
\n
\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
\n
"
);
...
...
png.h
浏览文件 @
895a9c97
/* png.h - header file for PNG reference library
*
* libpng version 1.4.0beta2
3 - July 22
, 2008
* libpng version 1.4.0beta2
4 - July 25
, 2008
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
...
...
@@ -9,7 +9,7 @@
* Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.4.0beta2
3 - July 22
, 2008: Glenn
* libpng versions 0.97, January 1998, through 1.4.0beta2
4 - July 25
, 2008: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
...
...
@@ -156,7 +156,7 @@
* If you modify libpng you may insert additional notices immediately following
* this sentence.
*
* libpng versions 1.2.6, August 15, 2004, through 1.4.0beta2
3, July 22
, 2008, are
* libpng versions 1.2.6, August 15, 2004, through 1.4.0beta2
4, July 25
, 2008, 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:
...
...
@@ -274,7 +274,7 @@
* an official declaration.
*
* This is your unofficial assurance that libpng from version 0.71 and
* upward through 1.4.0beta2
3
are Y2K compliant. It is my belief that earlier
* upward through 1.4.0beta2
4
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
...
...
@@ -330,9 +330,9 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.4.0beta2
3
"
#define PNG_LIBPNG_VER_STRING "1.4.0beta2
4
"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.4.0beta2
3 - July 22
, 2008\n"
" libpng version 1.4.0beta2
4 - July 25
, 2008\n"
#define PNG_LIBPNG_VER_SONUM 1
#define PNG_LIBPNG_VER_DLLNUM 14
...
...
@@ -344,7 +344,7 @@
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
#define PNG_LIBPNG_VER_BUILD 2
3
#define PNG_LIBPNG_VER_BUILD 2
4
/* Release Status */
#define PNG_LIBPNG_BUILD_ALPHA 1
...
...
@@ -1347,7 +1347,7 @@ 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_0beta2
3
;
typedef
png_structp
version_1_4_0beta2
4
;
typedef
png_struct
FAR
*
FAR
*
png_structpp
;
...
...
@@ -1905,6 +1905,8 @@ extern PNG_EXPORT(png_voidp,png_malloc_warn) PNGARG((png_structp png_ptr,
/* Frees a pointer allocated by png_malloc() */
extern
PNG_EXPORT
(
void
,
png_free
)
PNGARG
((
png_structp
png_ptr
,
png_voidp
ptr
));
extern
PNG_EXPORT
(
void
,
png_freeptr
)
PNGARG
((
png_structp
png_ptr
,
png_voidp
*
ptr
));
/* Free data that was allocated internally */
extern
PNG_EXPORT
(
void
,
png_free_data
)
PNGARG
((
png_structp
png_ptr
,
...
...
pngconf.h
浏览文件 @
895a9c97
...
...
@@ -628,9 +628,7 @@
#endif
/* PNG_WRITE_SUPPORTED */
#ifndef PNG_NO_ERROR_NUMBERS
# define PNG_ERROR_NUMBERS_SUPPORTED
#endif
#define PNG_NO_ERROR_NUMBERS
#if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \
defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED)
...
...
pngerror.c
浏览文件 @
895a9c97
/* pngerror.c - stub functions for i/o and memory allocation
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -44,16 +44,23 @@ png_error(png_structp png_ptr, png_const_charp error_message)
{
if
(
*
error_message
==
'#'
)
{
/*
* 012345678901234567890
* error_message: #nnnn text\0
* error_number: nnnn\0
* offset points to the first blank after nnnn
* In this example, offset is 5.
*/
int
offset
;
for
(
offset
=
1
;
offset
<
15
;
offset
++
)
if
(
*
(
error_message
+
offset
)
==
' '
)
if
(
error_message
[
offset
]
==
' '
)
break
;
if
(
png_ptr
->
flags
&
PNG_FLAG_STRIP_ERROR_TEXT
)
{
int
i
;
for
(
i
=
0
;
i
<
offset
-
1
;
i
++
)
msg
[
i
]
=
error_message
[
i
+
1
];
msg
[
i
]
=
'\0'
;
for
(
i
=
0
;
i
<
offset
-
1
;
i
++
)
msg
[
i
]
=
error_message
[
i
+
1
];
msg
[
i
]
=
'\0'
;
error_message
=
msg
;
}
else
...
...
@@ -63,9 +70,9 @@ png_error(png_structp png_ptr, png_const_charp error_message)
{
if
(
png_ptr
->
flags
&
PNG_FLAG_STRIP_ERROR_TEXT
)
{
msg
[
0
]
=
'0'
;
msg
[
1
]
=
'\0'
;
error_message
=
msg
;
msg
[
0
]
=
'0'
;
msg
[
1
]
=
'\0'
;
error_message
=
msg
;
}
}
}
...
...
@@ -110,8 +117,8 @@ png_warning(png_structp png_ptr, png_const_charp warning_message)
{
if
(
*
warning_message
==
'#'
)
{
for
(
offset
=
1
;
offset
<
15
;
offset
++
)
if
(
*
(
warning_message
+
offset
)
==
' '
)
for
(
offset
=
1
;
offset
<
15
;
offset
++
)
if
(
warning_message
[
offset
]
==
' '
)
break
;
}
}
...
...
@@ -238,17 +245,26 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
#ifdef PNG_ERROR_NUMBERS_SUPPORTED
if
(
*
error_message
==
'#'
)
{
/*
* 012345678901234567890
* error_message: #nnnn text\0
* error_number: nnnn\0
* offset points to the first blank after nnnn
* In this example, offset is 5, and we want to
* insert a terminating NULL at error_number[4].
*/
int
offset
;
char
error_number
[
16
];
for
(
offset
=
0
;
offset
<
15
;
offset
++
)
for
(
offset
=
0
;
offset
<
15
;
offset
++
)
{
error_number
[
offset
]
=
*
(
error_message
+
offset
+
1
)
;
if
(
*
(
error_message
+
offset
)
==
' '
)
error_number
[
offset
]
=
error_message
[
offset
+
1
]
;
if
(
error_message
[
offset
]
==
' '
)
break
;
}
if
((
offset
>
1
)
&&
(
offset
<
15
))
{
error_number
[
offset
-
1
]
=
'\0'
;
error_number
[
offset
-
1
]
=
'\0'
;
/* should this be [offset + 1]? */
/* should we update "offset" to point to the beginning of the text? */
fprintf
(
stderr
,
"libpng error no. %s: %s
\n
"
,
error_number
,
error_message
+
offset
);
}
...
...
@@ -296,15 +312,15 @@ png_default_warning(png_structp png_ptr, png_const_charp warning_message)
{
int
offset
;
char
warning_number
[
16
];
for
(
offset
=
0
;
offset
<
15
;
offset
++
)
for
(
offset
=
0
;
offset
<
15
;
offset
++
)
{
warning_number
[
offset
]
=*
(
warning_message
+
offset
+
1
)
;
if
(
*
(
warning_message
+
offset
)
==
' '
)
warning_number
[
offset
]
=
warning_message
[
offset
+
1
]
;
if
(
warning_message
[
offset
]
==
' '
)
break
;
}
if
((
offset
>
1
)
&&
(
offset
<
15
))
{
warning_number
[
offset
+
1
]
=
'\0'
;
warning_number
[
offset
+
1
]
=
'\0'
;
fprintf
(
stderr
,
"libpng warning no. %s: %s
\n
"
,
warning_number
,
warning_message
+
offset
);
}
...
...
pngget.c
浏览文件 @
895a9c97
/* pngget.c - retrieval of values from info struct
*
* Last changed in libpng 1.40. [July 2
2
, 2008]
* Last changed in libpng 1.40. [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngmem.c
浏览文件 @
895a9c97
/* pngmem.c - stub functions for memory allocation
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -272,6 +272,7 @@ png_malloc_default(png_structp png_ptr, png_alloc_size_t size)
/* free a pointer allocated by png_malloc(). In the default
configuration, png_ptr is not used, but is passed in case it
is needed. If ptr is NULL, return without taking any action. */
void
PNGAPI
png_free
(
png_structp
png_ptr
,
png_voidp
ptr
)
{
...
...
@@ -540,7 +541,7 @@ png_malloc_warn(png_structp png_ptr, png_alloc_size_t size)
png_uint_32
save_flags
;
if
(
png_ptr
==
NULL
)
return
(
NULL
);
save_flags
=
png_ptr
->
flags
;
save_flags
=
png_ptr
->
flags
;
png_ptr
->
flags
|=
PNG_FLAG_MALLOC_NULL_MEM_OK
;
ptr
=
(
png_voidp
)
png_malloc
((
png_structp
)
png_ptr
,
size
);
png_ptr
->
flags
=
save_flags
;
...
...
@@ -556,10 +557,11 @@ void PNGAPI
png_set_mem_fn
(
png_structp
png_ptr
,
png_voidp
mem_ptr
,
png_malloc_ptr
malloc_fn
,
png_free_ptr
free_fn
)
{
if
(
png_ptr
!=
NULL
)
{
png_ptr
->
mem_ptr
=
mem_ptr
;
png_ptr
->
malloc_fn
=
malloc_fn
;
png_ptr
->
free_fn
=
free_fn
;
if
(
png_ptr
!=
NULL
)
{
png_ptr
->
mem_ptr
=
mem_ptr
;
png_ptr
->
malloc_fn
=
malloc_fn
;
png_ptr
->
free_fn
=
free_fn
;
}
}
...
...
pngpread.c
浏览文件 @
895a9c97
/* pngpread.c - read a png file in push mode
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -1460,8 +1460,11 @@ void /* PRIVATE */
png_push_handle_unknown
(
png_structp
png_ptr
,
png_infop
info_ptr
,
png_uint_32
length
)
{
png_uint_32
skip
=
0
;
png_uint_32
skip
=
0
;
#if 0
/* Redundant? */
png_check_chunk_name(png_ptr, png_ptr->chunk_name);
#endif
if
(
!
(
png_ptr
->
chunk_name
[
0
]
&
0x20
))
{
...
...
@@ -1492,7 +1495,8 @@ png_push_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32
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
)
...
...
pngpriv.h
浏览文件 @
895a9c97
/* pngpriv.h - private declarations for use inside libpng
*
* libpng version 1.4.0beta2
3 - July 22
, 2008
* libpng version 1.4.0beta2
4 - July 25
, 2008
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2007 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -344,9 +344,9 @@ 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_charp
png_decompress_chunk
PNGARG
((
png_structp
png_ptr
,
int
comp_type
,
png_
charp
chunkdata
,
png_size_t
chunk
length
,
png_size_t
prefix_length
,
png_size_t
*
data_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
));
#endif
/* Read "skip" bytes, read the file crc, and (optionally) verify png_ptr->crc */
...
...
pngread.c
浏览文件 @
895a9c97
/* pngread.c - read a PNG file
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -68,7 +68,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
#endif
{
png_free
(
png_ptr
,
png_ptr
->
zbuf
);
png_ptr
->
zbuf
=
NULL
;
png_ptr
->
zbuf
=
NULL
;
#ifdef PNG_USER_MEM_SUPPORTED
png_destroy_struct_2
((
png_voidp
)
png_ptr
,
(
png_free_ptr
)
free_fn
,
(
png_voidp
)
mem_ptr
);
...
...
@@ -90,7 +90,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
if
(
user_png_ver
)
{
i
=
0
;
i
=
0
;
do
{
if
(
user_png_ver
[
i
]
!=
png_libpng_ver
[
i
])
...
...
@@ -127,7 +127,7 @@ png_create_read_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
png_warning
(
png_ptr
,
msg
);
#endif
#ifdef PNG_ERROR_NUMBERS_SUPPORTED
png_ptr
->
flags
=
0
;
png_ptr
->
flags
=
0
;
#endif
png_error
(
png_ptr
,
"Incompatible libpng version in application and library"
);
...
...
@@ -181,7 +181,7 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
jmp_buf
tmp_jmp
;
/* to save current jump buffer */
#endif
int
i
=
0
;
int
i
=
0
;
png_structp
png_ptr
=*
ptr_ptr
;
...
...
@@ -194,7 +194,7 @@ png_read_init_3(png_structpp ptr_ptr, png_const_charp user_png_ver,
#ifdef PNG_LEGACY_SUPPORTED
png_ptr
->
flags
|=
PNG_FLAG_LIBRARY_MISMATCH
;
#else
png_ptr
->
warning_fn
=
NULL
;
png_ptr
->
warning_fn
=
NULL
;
png_warning
(
png_ptr
,
"Application uses deprecated png_read_init() and should be recompiled"
);
break
;
...
...
@@ -352,7 +352,7 @@ png_read_info(png_structp png_ptr, png_infop info_ptr)
#endif
#endif
/* PNG_USE_LOCAL_ARRAYS */
png_uint_32
length
=
png_read_chunk_header
(
png_ptr
);
png_bytep
chunk_name
=
png_ptr
->
chunk_name
;
PNG_CONST
png_bytep
chunk_name
=
png_ptr
->
chunk_name
;
/* This should be a binary subdivision search or a hash for
* matching the chunk name rather than a linear search.
...
...
@@ -849,9 +849,6 @@ png_read_image(png_structp png_ptr, png_bytepp image)
void
PNGAPI
png_read_end
(
png_structp
png_ptr
,
png_infop
info_ptr
)
{
png_bytep
chunk_name
;
png_uint_32
length
;
png_debug
(
1
,
"in png_read_end
\n
"
);
if
(
png_ptr
==
NULL
)
return
;
png_crc_finish
(
png_ptr
,
0
);
/* Finish off CRC from last IDAT chunk */
...
...
@@ -915,8 +912,8 @@ png_read_end(png_structp png_ptr, png_infop info_ptr)
PNG_CONST
PNG_zTXt
;
#endif
#endif
/* PNG_USE_LOCAL_ARRAYS */
length
=
png_read_chunk_header
(
png_ptr
);
chunk_name
=
png_ptr
->
chunk_name
;
png_uint_32
length
=
png_read_chunk_header
(
png_ptr
);
PNG_CONST
png_bytep
chunk_name
=
png_ptr
->
chunk_name
;
if
(
!
png_memcmp
(
chunk_name
,
png_IHDR
,
4
))
png_handle_IHDR
(
png_ptr
,
info_ptr
,
length
);
...
...
pngrio.c
浏览文件 @
895a9c97
/* pngrio.c - functions for data input
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngrtran.c
浏览文件 @
895a9c97
/* pngrtran.c - transforms the data in a row for PNG readers
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -274,7 +274,7 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
}
}
png_free
(
png_ptr
,
png_ptr
->
dither_sort
);
png_ptr
->
dither_sort
=
NULL
;
png_ptr
->
dither_sort
=
NULL
;
}
else
{
...
...
@@ -292,7 +292,7 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
png_dsortp
t
;
png_dsortpp
hash
;
t
=
NULL
;
t
=
NULL
;
/* initialize palette index arrays */
png_ptr
->
index_to_palette
=
(
png_bytep
)
png_malloc
(
png_ptr
,
...
...
@@ -436,8 +436,8 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
png_free
(
png_ptr
,
hash
);
png_free
(
png_ptr
,
png_ptr
->
palette_to_index
);
png_free
(
png_ptr
,
png_ptr
->
index_to_palette
);
png_ptr
->
palette_to_index
=
NULL
;
png_ptr
->
index_to_palette
=
NULL
;
png_ptr
->
palette_to_index
=
NULL
;
png_ptr
->
index_to_palette
=
NULL
;
}
num_palette
=
maximum_colors
;
}
...
...
@@ -2198,10 +2198,9 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row)
/* reduce RGB files to grayscale, with or without alpha
* using the equation given in Poynton's ColorFAQ at
* <http://www.inforamp.net/~poynton/> (THIS LINK IS DEAD June 2008)
* Copyright (c) 1998-01-04 Charles Poynton poynton at inforamp.net
* New links:
* New link:
* <http://www.poynton.com/notes/colour_and_gamma/>
* C
opyright (c) 2006-11-28 C
harles Poynton poynton at poynton.com
* Charles Poynton poynton at poynton.com
*
* Y = 0.212671 * R + 0.715160 * G + 0.072169 * B
*
...
...
pngrutil.c
浏览文件 @
895a9c97
/* pngrutil.c - utilities to read a PNG file
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -102,6 +102,9 @@ png_read_chunk_header(png_structp png_ptr)
png_reset_crc
(
png_ptr
);
png_calculate_crc
(
png_ptr
,
png_ptr
->
chunk_name
,
4
);
/* check to see if chunk name is valid */
png_check_chunk_name
(
png_ptr
,
png_ptr
->
chunk_name
);
#ifdef PNG_IO_STATE_SUPPORTED
/* Inform the I/O callback that chunk data will (possibly) be read.
* PNG_IO_CHUNK_DATA does NOT require a specific number of I/O calls.
...
...
@@ -207,9 +210,9 @@ png_crc_error(png_structp png_ptr)
* holding the original prefix part and an uncompressed version of the
* trailing part (the malloc area passed in is freed).
*/
png_charp
/* PRIVATE */
void
/* PRIVATE */
png_decompress_chunk
(
png_structp
png_ptr
,
int
comp_type
,
png_
charp
chunkdata
,
png_
size_t
chunklength
,
png_size_t
chunklength
,
png_size_t
prefix_size
,
png_size_t
*
newlength
)
{
static
PNG_CONST
char
msg
[]
=
"Error decoding compressed text"
;
...
...
@@ -219,7 +222,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
if
(
comp_type
==
PNG_COMPRESSION_TYPE_BASE
)
{
int
ret
=
Z_OK
;
png_ptr
->
zstream
.
next_in
=
(
png_bytep
)(
chunkdata
+
prefix_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
;
png_ptr
->
zstream
.
avail_out
=
(
uInt
)
png_ptr
->
zbuf_size
;
...
...
@@ -245,17 +248,18 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
text
=
(
png_charp
)
png_malloc_warn
(
png_ptr
,
text_size
);
if
(
text
==
NULL
)
{
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
png_error
(
png_ptr
,
"Not enough memory to decompress chunk"
);
}
png_memcpy
(
text
,
chunkdata
,
prefix_size
);
png_memcpy
(
text
,
png_ptr
->
chunkdata
,
prefix_size
);
}
text
[
text_size
-
1
]
=
0x00
;
/* Copy what we can of the error message into the text chunk */
text_size
=
(
png_size_t
)(
chunklength
-
(
text
-
chunkdata
)
-
1
);
text_size
=
(
png_size_t
)(
chunklength
-
(
text
-
png_ptr
->
chunkdata
)
-
1
);
if
(
text_size
>
png_sizeof
(
msg
))
text_size
=
png_sizeof
(
msg
);
png_memcpy
(
text
+
prefix_size
,
msg
,
text_size
);
...
...
@@ -270,14 +274,14 @@ 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
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
png_error
(
png_ptr
,
"Not enough memory to decompress chunk"
);
}
png_memcpy
(
text
+
prefix_size
,
png_ptr
->
zbuf
,
text_size
-
prefix_size
);
png_memcpy
(
text
,
chunkdata
,
prefix_size
);
png_memcpy
(
text
,
png_ptr
->
chunkdata
,
prefix_size
);
*
(
text
+
text_size
)
=
0x00
;
}
else
...
...
@@ -291,7 +295,7 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
if
(
text
==
NULL
)
{
png_free
(
png_ptr
,
tmp
);
png_free
(
png_ptr
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
png_error
(
png_ptr
,
"Not enough memory to decompress chunk"
);
...
...
@@ -340,11 +344,11 @@ 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
,
chunkdata
);
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
NULL
;
png_error
(
png_ptr
,
"Not enough memory for text"
);
}
png_memcpy
(
text
,
chunkdata
,
prefix_size
);
png_memcpy
(
text
,
png_ptr
->
chunkdata
,
prefix_size
);
}
*
(
text
+
text_size
)
=
0x00
;
}
...
...
@@ -352,8 +356,8 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
inflateReset
(
&
png_ptr
->
zstream
);
png_ptr
->
zstream
.
avail_in
=
0
;
png_free
(
png_ptr
,
chunkdata
);
chunkdata
=
text
;
png_free
(
png_ptr
,
png_ptr
->
chunkdata
);
png_ptr
->
chunkdata
=
text
;
*
newlength
=
text_size
;
}
else
/* if (comp_type != PNG_COMPRESSION_TYPE_BASE) */
...
...
@@ -367,11 +371,9 @@ png_decompress_chunk(png_structp png_ptr, int comp_type,
png_warning
(
png_ptr
,
"Unknown zTXt compression type"
);
#endif
*
(
chunkdata
+
prefix_size
)
=
0x00
;
*
(
png_ptr
->
chunkdata
+
prefix_size
)
=
0x00
;
*
newlength
=
prefix_size
;
}
return
chunkdata
;
}
#endif
...
...
@@ -546,7 +548,7 @@ png_handle_PLTE(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
{
if
(
png_ptr
->
flags
&
PNG_FLAG_CRC_ANCILLARY_NOWARN
)
{
%
15
+%
png_chunk_benign_error
(
png_ptr
,
"CRC error"
);
png_chunk_benign_error
(
png_ptr
,
"CRC error"
);
}
else
{
...
...
@@ -1079,8 +1081,8 @@ png_handle_iCCP(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
prefix_length
=
profile
-
png_ptr
->
chunkdata
;
png_
ptr
->
chunkdata
=
png_
decompress_chunk
(
png_ptr
,
compression_type
,
png_ptr
->
chunkdata
,
slength
,
prefix_length
,
&
data_length
);
png_decompress_chunk
(
png_ptr
,
compression_type
,
slength
,
prefix_length
,
&
data_length
);
profile_length
=
data_length
-
prefix_length
;
...
...
@@ -2054,8 +2056,8 @@ png_handle_zTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
}
prefix_len
=
text
-
png_ptr
->
chunkdata
;
png_
ptr
->
chunkdata
=
(
png_charp
)
png_
decompress_chunk
(
png_ptr
,
comp_type
,
png_ptr
->
chunkdata
,
(
png_size_t
)
length
,
prefix_len
,
&
data_len
);
png_decompress_chunk
(
png_ptr
,
comp_type
,
(
png_size_t
)
length
,
prefix_len
,
&
data_len
);
text_ptr
=
(
png_textp
)
png_malloc_warn
(
png_ptr
,
png_sizeof
(
png_text
));
...
...
@@ -2183,8 +2185,8 @@ png_handle_iTXt(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
key
=
png_ptr
->
chunkdata
;
if
(
comp_flag
)
png_
ptr
->
chunkdata
=
png_
decompress_chunk
(
png_ptr
,
comp_type
,
png_ptr
->
chunkdata
,
(
size_t
)
length
,
prefix_len
,
&
data_len
);
png_decompress_chunk
(
png_ptr
,
comp_type
,
(
size_t
)
length
,
prefix_len
,
&
data_len
);
else
data_len
=
png_strlen
(
png_ptr
->
chunkdata
+
prefix_len
);
text_ptr
=
(
png_textp
)
png_malloc_warn
(
png_ptr
,
...
...
@@ -2235,7 +2237,10 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
png_ptr
->
mode
|=
PNG_AFTER_IDAT
;
}
#if 0
/* Redundant? */
png_check_chunk_name(png_ptr, png_ptr->chunk_name);
#endif
if
(
!
(
png_ptr
->
chunk_name
[
0
]
&
0x20
))
{
...
...
@@ -2317,13 +2322,14 @@ png_handle_unknown(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
the chunk name itself is valid. */
#define isnonalpha(c) ((c) < 65 || (c) > 122 || ((c) > 90 && (c) < 97))
#define isnonupper(c) ((c) < 65 || (c) > 90)
void
/* PRIVATE */
png_check_chunk_name
(
png_structp
png_ptr
,
png_bytep
chunk_name
)
{
png_debug
(
1
,
"in png_check_chunk_name
\n
"
);
if
(
isnonalpha
(
chunk_name
[
0
])
||
isnonalpha
(
chunk_name
[
1
])
||
isnon
alpha
(
chunk_name
[
2
])
||
isnonalpha
(
chunk_name
[
3
]))
isnon
upper
(
chunk_name
[
2
])
||
isnonalpha
(
chunk_name
[
3
]))
{
png_chunk_error
(
png_ptr
,
"invalid chunk type"
);
}
...
...
pngset.c
浏览文件 @
895a9c97
/* pngset.c - storage of image information into info struct
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -167,7 +167,7 @@ png_set_gAMA(png_structp png_ptr, png_infop info_ptr, double file_gamma)
gamma
=
21474
.
83
;
}
else
gamma
=
file_gamma
;
gamma
=
file_gamma
;
info_ptr
->
gamma
=
(
float
)
gamma
;
#ifdef PNG_FIXED_POINT_SUPPORTED
info_ptr
->
int_gamma
=
(
int
)(
gamma
*
100000
.
+
.
5
);
...
...
@@ -200,7 +200,7 @@ png_set_gAMA_fixed(png_structp png_ptr, png_infop info_ptr, png_fixed_point
gamma
=
0
;
}
else
gamma
=
int_gamma
;
gamma
=
int_gamma
;
}
#ifdef PNG_FLOATING_POINT_SUPPORTED
info_ptr
->
gamma
=
(
float
)(
gamma
/
100000
.);
...
...
@@ -502,6 +502,7 @@ png_set_sCAL_s(png_structp png_ptr, png_infop info_ptr,
if
(
info_ptr
->
scal_s_height
==
NULL
)
{
png_free
(
png_ptr
,
info_ptr
->
scal_s_width
);
info_ptr
->
scal_s_width
=
NULL
;
png_warning
(
png_ptr
,
"Memory allocation failed while processing sCAL"
);
return
;
...
...
@@ -731,7 +732,7 @@ png_set_text(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
int
num_text
)
{
int
ret
;
ret
=
png_set_text_2
(
png_ptr
,
info_ptr
,
text_ptr
,
num_text
);
ret
=
png_set_text_2
(
png_ptr
,
info_ptr
,
text_ptr
,
num_text
);
if
(
ret
)
png_error
(
png_ptr
,
"Insufficient memory to store text"
);
}
...
...
@@ -855,13 +856,13 @@ png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
#ifdef PNG_iTXt_SUPPORTED
if
(
text_ptr
[
i
].
compression
>
0
)
{
textp
->
lang
=
textp
->
key
+
key_len
+
1
;
textp
->
lang
=
textp
->
key
+
key_len
+
1
;
png_memcpy
(
textp
->
lang
,
text_ptr
[
i
].
lang
,
lang_len
);
*
(
textp
->
lang
+
lang_len
)
=
'\0'
;
textp
->
lang_key
=
textp
->
lang
+
lang_len
+
1
;
textp
->
lang_key
=
textp
->
lang
+
lang_len
+
1
;
png_memcpy
(
textp
->
lang_key
,
text_ptr
[
i
].
lang_key
,
lang_key_len
);
*
(
textp
->
lang_key
+
lang_key_len
)
=
'\0'
;
textp
->
text
=
textp
->
lang_key
+
lang_key_len
+
1
;
textp
->
text
=
textp
->
lang_key
+
lang_key_len
+
1
;
}
else
#endif
...
...
@@ -870,7 +871,7 @@ png_set_text_2(png_structp png_ptr, png_infop info_ptr, png_textp text_ptr,
textp
->
lang
=
NULL
;
textp
->
lang_key
=
NULL
;
#endif
textp
->
text
=
textp
->
key
+
key_len
+
1
;
textp
->
text
=
textp
->
key
+
key_len
+
1
;
}
if
(
text_length
)
png_memcpy
(
textp
->
text
,
text_ptr
[
i
].
text
,
...
...
@@ -1066,7 +1067,6 @@ png_set_unknown_chunks(png_structp png_ptr,
png_memcpy
(
np
,
info_ptr
->
unknown_chunks
,
info_ptr
->
unknown_chunks_num
*
png_sizeof
(
png_unknown_chunk
));
png_free
(
png_ptr
,
info_ptr
->
unknown_chunks
);
info_ptr
->
unknown_chunks
=
NULL
;
for
(
i
=
0
;
i
<
num_unknowns
;
i
++
)
{
...
...
@@ -1152,7 +1152,7 @@ png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep
}
if
(
chunk_list
==
NULL
)
return
;
old_num_chunks
=
png_ptr
->
num_chunk_list
;
old_num_chunks
=
png_ptr
->
num_chunk_list
;
new_list
=
(
png_bytep
)
png_malloc
(
png_ptr
,
(
png_size_t
)
(
5
*
(
num_chunks
+
old_num_chunks
)));
...
...
@@ -1165,10 +1165,10 @@ png_set_keep_unknown_chunks(png_structp png_ptr, int keep, png_bytep
}
png_memcpy
(
new_list
+
5
*
old_num_chunks
,
chunk_list
,
(
png_size_t
)(
5
*
num_chunks
));
for
(
p
=
new_list
+
5
*
old_num_chunks
+
4
,
i
=
0
;
i
<
num_chunks
;
i
++
,
p
+=
5
)
for
(
p
=
new_list
+
5
*
old_num_chunks
+
4
,
i
=
0
;
i
<
num_chunks
;
i
++
,
p
+=
5
)
*
p
=
(
png_byte
)
keep
;
png_ptr
->
num_chunk_list
=
old_num_chunks
+
num_chunks
;
png_ptr
->
chunk_list
=
new_list
;
png_ptr
->
num_chunk_list
=
old_num_chunks
+
num_chunks
;
png_ptr
->
chunk_list
=
new_list
;
#ifdef PNG_FREE_ME_SUPPORTED
png_ptr
->
free_me
|=
PNG_FREE_LIST
;
#endif
...
...
pngtest.c
浏览文件 @
895a9c97
/* pngtest.c - a simple test program to test libpng
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -525,7 +525,7 @@ png_debug_free(png_structp png_ptr, png_voidp ptr)
the memory that is to be freed. */
png_memset
(
ptr
,
0x55
,
pinfo
->
size
);
png_free_default
(
png_ptr
,
pinfo
);
pinfo
=
NULL
;
pinfo
=
NULL
;
break
;
}
if
(
pinfo
->
next
==
NULL
)
...
...
@@ -541,7 +541,7 @@ png_debug_free(png_structp png_ptr, png_voidp ptr)
if
(
verbose
)
printf
(
"Freeing %x
\n
"
,
ptr
);
png_free_default
(
png_ptr
,
ptr
);
ptr
=
NULL
;
ptr
=
NULL
;
}
#endif
/* PNG_USER_MEM_SUPPORTED && PNG_DEBUG */
/* END of code to test memory allocation/deallocation */
...
...
@@ -713,8 +713,8 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
#endif
{
fprintf
(
STDERR
,
"%s -> %s: libpng read error
\n
"
,
inname
,
outname
);
if
(
row_buf
)
png_free
(
read_ptr
,
row_buf
)
;
png_free
(
read_ptr
,
row_buf
);
row_buf
=
NULL
;
png_destroy_read_struct
(
&
read_ptr
,
&
read_info_ptr
,
&
end_info_ptr
);
#ifdef PNG_WRITE_SUPPORTED
png_destroy_info_struct
(
write_ptr
,
&
write_end_info_ptr
);
...
...
@@ -1179,6 +1179,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
#ifndef SINGLE_ROWBUF_ALLOC
png_debug2
(
0
,
"Freeing row buffer (pass %d, y = %ld)
\n\n
"
,
pass
,
y
);
png_free
(
read_ptr
,
row_buf
);
row_buf
=
NULL
;
#endif
/* !SINGLE_ROWBUF_ALLOC */
}
}
...
...
@@ -1264,7 +1265,7 @@ test_one_file(PNG_CONST char *inname, PNG_CONST char *outname)
#ifdef SINGLE_ROWBUF_ALLOC
png_debug
(
1
,
"destroying row_buf for read_ptr
\n
"
);
png_free
(
read_ptr
,
row_buf
);
row_buf
=
NULL
;
row_buf
=
NULL
;
#endif
/* SINGLE_ROWBUF_ALLOC */
png_debug
(
1
,
"destroying read_ptr, read_info_ptr, end_info_ptr
\n
"
);
png_destroy_read_struct
(
&
read_ptr
,
&
read_info_ptr
,
&
end_info_ptr
);
...
...
@@ -1612,4 +1613,4 @@ main(int argc, char *argv[])
}
/* Generate a compiler error if there is an old png.h in the search path. */
typedef
version_1_4_0beta2
3
your_png_h_is_not_version_1_4_0beta23
;
typedef
version_1_4_0beta2
4
your_png_h_is_not_version_1_4_0beta24
;
pngtrans.c
浏览文件 @
895a9c97
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngwio.c
浏览文件 @
895a9c97
/* pngwio.c - functions for data output
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngwrite.c
浏览文件 @
895a9c97
/* pngwrite.c - general routines to write a PNG file
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -475,7 +475,6 @@ png_create_write_struct_2(png_const_charp user_png_ver, png_voidp error_ptr,
#endif
{
png_free
(
png_ptr
,
png_ptr
->
zbuf
);
png_ptr
->
zbuf
=
NULL
;
png_destroy_struct
(
png_ptr
);
return
(
NULL
);
}
...
...
@@ -972,8 +971,7 @@ png_destroy_write_struct(png_structpp png_ptr_ptr, png_infopp info_ptr_ptr)
if
(
png_ptr
->
num_chunk_list
)
{
png_free
(
png_ptr
,
png_ptr
->
chunk_list
);
png_ptr
->
chunk_list
=
NULL
;
png_ptr
->
num_chunk_list
=
0
;
png_ptr
->
num_chunk_list
=
0
;
}
#endif
}
...
...
pngwtran.c
浏览文件 @
895a9c97
/* pngwtran.c - transforms the data in a row for PNG writers
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
pngwutil.c
浏览文件 @
895a9c97
/* pngwutil.c - utilities to write a PNG file
*
* Last changed in libpng 1.4.0 [July 2
2
, 2008]
* Last changed in libpng 1.4.0 [July 2
5
, 2008]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -388,11 +388,9 @@ png_write_compressed_data_out(png_structp png_ptr, compression_state *comp)
png_write_chunk_data
(
png_ptr
,
(
png_bytep
)
comp
->
output_ptr
[
i
],
(
png_size_t
)
png_ptr
->
zbuf_size
);
png_free
(
png_ptr
,
comp
->
output_ptr
[
i
]);
comp
->
output_ptr
[
i
]
=
NULL
;
}
if
(
comp
->
max_output_ptr
!=
0
)
png_free
(
png_ptr
,
comp
->
output_ptr
);
comp
->
output_ptr
=
NULL
;
/* write anything left in zbuf */
if
(
png_ptr
->
zstream
.
avail_out
<
(
png_uint_32
)
png_ptr
->
zbuf_size
)
png_write_chunk_data
(
png_ptr
,
png_ptr
->
zbuf
,
...
...
@@ -1359,7 +1357,6 @@ png_check_keyword(png_structp png_ptr, png_charp key, png_charpp new_key)
if
(
key_len
==
0
)
{
png_free
(
png_ptr
,
*
new_key
);
*
new_key
=
NULL
;
png_warning
(
png_ptr
,
"Zero length keyword"
);
}
...
...
scripts/CMakeLists.txt
浏览文件 @
895a9c97
...
...
@@ -178,7 +178,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
# SET UP LINKS
set_target_properties
(
${
PNG_LIB_NAME
}
PROPERTIES
# VERSION 0.${PNGLIB_RELEASE}.1.4.0beta2
3
# VERSION 0.${PNGLIB_RELEASE}.1.4.0beta2
4
VERSION 0.
${
PNGLIB_RELEASE
}
.0
SOVERSION 0
CLEAN_DIRECT_OUTPUT 1
)
...
...
scripts/libpng-config-head.in
浏览文件 @
895a9c97
...
...
@@ -8,7 +8,7 @@
# Modeled after libxml-config.
version
=
1.4.0beta2
3
version
=
1.4.0beta2
4
prefix
=
""
libdir
=
""
libs
=
""
...
...
scripts/libpng.pc.in
浏览文件 @
895a9c97
...
...
@@ -5,6 +5,6 @@ includedir=@includedir@/libpng14
Name: libpng
Description: Loads and saves PNG files
Version: 1.4.0beta2
3
Version: 1.4.0beta2
4
Libs: -L${libdir} -lpng14
Cflags: -I${includedir}
scripts/makefile.32sunu
浏览文件 @
895a9c97
...
...
@@ -8,7 +8,7 @@
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.64sunu
浏览文件 @
895a9c97
...
...
@@ -8,7 +8,7 @@
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.aix
浏览文件 @
895a9c97
...
...
@@ -20,7 +20,7 @@ LN_SF = ln -f -s
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
prefix
=
/usr/local
...
...
scripts/makefile.beos
浏览文件 @
895a9c97
...
...
@@ -8,7 +8,7 @@
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.cygwin
浏览文件 @
895a9c97
...
...
@@ -65,7 +65,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME
=
libpng14
PNGMAJ
=
1
CYGDLL
=
14
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
SHAREDLIB
=
cygpng
$(CYGDLL)
.dll
...
...
scripts/makefile.darwin
浏览文件 @
895a9c97
...
...
@@ -19,7 +19,7 @@ ZLIBINC=../zlib
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.dec
浏览文件 @
895a9c97
...
...
@@ -5,7 +5,7 @@
# Library name:
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
LIBNAME
=
libpng14
...
...
scripts/makefile.elf
浏览文件 @
895a9c97
...
...
@@ -12,7 +12,7 @@
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.gcmmx
浏览文件 @
895a9c97
...
...
@@ -16,7 +16,7 @@
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.hp64
浏览文件 @
895a9c97
...
...
@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.hpgcc
浏览文件 @
895a9c97
...
...
@@ -8,7 +8,7 @@
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.hpux
浏览文件 @
895a9c97
...
...
@@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.linux
浏览文件 @
895a9c97
...
...
@@ -6,7 +6,7 @@
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.mingw
浏览文件 @
895a9c97
...
...
@@ -81,7 +81,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
LIBNAME
=
libpng14
PNGMAJ
=
1
MINGDLL
=
14
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
SHAREDLIB
=
libpng
$(MINGDLL)
.dll
...
...
scripts/makefile.ne12bsd
浏览文件 @
895a9c97
...
...
@@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng14
LIB
=
png14
SHLIB_MAJOR
=
0
SHLIB_MINOR
=
1.4.0beta2
3
SHLIB_MINOR
=
1.4.0beta2
4
SRCS
=
pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c
\
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c
\
pngwtran.c pngmem.c pngerror.c pngpread.c
...
...
scripts/makefile.netbsd
浏览文件 @
895a9c97
...
...
@@ -13,7 +13,7 @@ INCSDIR=${LOCALBASE}/include/libpng
LIB
=
png
SHLIB_MAJOR
=
3
SHLIB_MINOR
=
1.4.0beta2
3
SHLIB_MINOR
=
1.4.0beta2
4
SRCS
=
pnggccrd.c png.c pngset.c pngget.c pngrutil.c pngtrans.c pngwutil.c
\
pngread.c pngrio.c pngwio.c pngwrite.c pngrtran.c
\
pngwtran.c pngmem.c pngerror.c pngpread.c
...
...
scripts/makefile.nommx
浏览文件 @
895a9c97
...
...
@@ -16,7 +16,7 @@
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.openbsd
浏览文件 @
895a9c97
...
...
@@ -8,7 +8,7 @@ LIBDIR= ${PREFIX}/lib
MANDIR
=
${PREFIX}
/man/cat
SHLIB_MAJOR
=
0
SHLIB_MINOR
=
1.4.0beta2
3
SHLIB_MINOR
=
1.4.0beta2
4
LIB
=
png
SRCS
=
png.c pngerror.c pnggccrd.c pngget.c pngmem.c pngpread.c
\
...
...
scripts/makefile.sco
浏览文件 @
895a9c97
...
...
@@ -9,7 +9,7 @@
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.sggcc
浏览文件 @
895a9c97
...
...
@@ -6,7 +6,7 @@
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.sgi
浏览文件 @
895a9c97
...
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@@ -6,7 +6,7 @@
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/makefile.so9
浏览文件 @
895a9c97
...
...
@@ -8,7 +8,7 @@
# Library name:
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
LIBNAME
=
libpng14
...
...
scripts/makefile.solaris
浏览文件 @
895a9c97
...
...
@@ -8,7 +8,7 @@
# Library name:
LIBNAME
=
libpng14
PNGMAJ
=
1
PNGMIN
=
1.4.0beta2
3
PNGMIN
=
1.4.0beta2
4
PNGVER
=
$(PNGMAJ)
.
$(PNGMIN)
# Shared library names:
...
...
scripts/pngos2.def
浏览文件 @
895a9c97
...
...
@@ -2,7 +2,7 @@
; PNG.LIB module definition file for OS/2
;----------------------------------------
; Version 1.4.0beta2
3
; Version 1.4.0beta2
4
LIBRARY PNG
DESCRIPTION "PNG image compression library for OS/2"
...
...
scripts/pngwin.def
浏览文件 @
895a9c97
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@@ -5,7 +5,7 @@
LIBRARY
EXPORTS
;Version 1.4.0beta2
3
;Version 1.4.0beta2
4
png_build_grayscale_palette
png_chunk_error
png_chunk_warning
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