Imported from libpng-1.2.36beta02.tar
This commit is contained in:
Glenn Randers-Pehrson
parent
556450a2ff
commit
85f7d0a8d5
43
ANNOUNCE
43
ANNOUNCE
@ -1,5 +1,5 @@
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Libpng 1.2.36beta01 - February 28, 2009
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Libpng 1.2.36beta02 - March 21, 2009
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This is not intended to be a public release. It will be replaced
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within a few weeks by a public version or by another test version.
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@ -9,37 +9,37 @@ Files available for download:
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Source files with LF line endings (for Unix/Linux) and with a
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"configure" script
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libpng-1.2.36beta01.tar.gz
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libpng-1.2.36beta01.tar.lzma
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libpng-1.2.36beta02.tar.gz
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libpng-1.2.36beta02.tar.lzma
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(Get the lzma codec from <http://tukaani.org/lzma>).
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libpng-1.2.36beta01.tar.bz2
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libpng-1.2.36beta02.tar.bz2
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Source files with LF line endings (for Unix/Linux) without the
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"configure" script
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libpng-1.2.36beta01-no-config.tar.gz
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libpng-1.2.36beta01-no-config.tar.lzma
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libpng-1.2.36beta01-no-config.tar.bz2
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libpng-1.2.36beta02-no-config.tar.gz
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libpng-1.2.36beta02-no-config.tar.lzma
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libpng-1.2.36beta02-no-config.tar.bz2
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Source files with CRLF line endings (for Windows), without the
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"configure" script
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lp1236b01.zip
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lp1236b01.7z
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lp1236b01.tar.bz2
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lp1236b02.zip
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lp1236b02.7z
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lp1236b02.tar.bz2
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Project files
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libpng-1.2.36beta01-project-netware.zip
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libpng-1.2.36beta01-project-wince.zip
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libpng-1.2.36beta02-project-netware.zip
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libpng-1.2.36beta02-project-wince.zip
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Other information:
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libpng-1.2.36beta01-README.txt
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libpng-1.2.36beta01-KNOWNBUGS.txt
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libpng-1.2.36beta01-LICENSE.txt
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libpng-1.2.36beta01-Y2K-compliance.txt
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libpng-1.2.36beta01-[previous version]-diff.txt
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libpng-1.2.36beta02-README.txt
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libpng-1.2.36beta02-KNOWNBUGS.txt
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libpng-1.2.36beta02-LICENSE.txt
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libpng-1.2.36beta02-Y2K-compliance.txt
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libpng-1.2.36beta02-[previous version]-diff.txt
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Changes since the last public release (1.2.34):
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@ -67,6 +67,15 @@ version 1.2.36beta01 [February 28, 2009]
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Revised order of #ifdef's and indentation in png_debug definitions of png.h
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bug introduced in libpng-1.2.34.
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version 1.2.36beta02 [March 21, 2009]
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Use png_memset() after png_malloc() of big_row_buf when reading an
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interlaced file, to avoid a possible UMR.
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Undid recent revision of PNG_NO_STDIO version of png_write_flush(). Users
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having trouble with fflush() can build with PNG_NO_WRITE_FLUSH defined.
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Revised libpng*.txt documentation about use of png_write_flush().
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Removed fflush() from pngtest.c.
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Added "#define PNG_NO_WRITE_FLUSH" to contrib/pngminim/encoder/pngusr.h
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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9
CHANGES
9
CHANGES
@ -2334,6 +2334,15 @@ version 1.2.36beta01 [February 28, 2009]
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Revised order of #ifdef's and indentation in png_debug definitions of png.h
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bug introduced in libpng-1.2.34.
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version 1.2.36beta02 [March 21, 2009]
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Use png_memset() after png_malloc() of big_row_buf when reading an
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interlaced file, to avoid a possible UMR.
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Undid recent revision of PNG_NO_STDIO version of png_write_flush(). Users
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having trouble with fflush() can build with PNG_NO_WRITE_FLUSH defined.
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Revised libpng*.txt documentation about use of png_write_flush().
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Removed fflush() from pngtest.c.
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Added "#define PNG_NO_WRITE_FLUSH" to contrib/pngminim/encoder/pngusr.h
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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https://lists.sourceforge.net/lists/listinfo/png-mng-implement
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16
INSTALL
16
INSTALL
@ -1,5 +1,5 @@
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Installing libpng version 1.2.36beta01 - February 28, 2009
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Installing libpng version 1.2.36beta02 - March 21, 2009
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On Unix/Linux and similar systems, you can simply type
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@ -44,7 +44,7 @@ to have access to the zlib.h and zconf.h include files that
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correspond to the version of zlib that's installed.
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You can rename the directories that you downloaded (they
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might be called "libpng-1.2.36beta01" or "lpng109" and "zlib-1.2.1"
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might be called "libpng-1.2.36beta02" or "lpng109" and "zlib-1.2.1"
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or "zlib121") so that you have directories called "zlib" and "libpng".
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Your directory structure should look like this:
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@ -101,9 +101,9 @@ include
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CMakeLists.txt => "cmake" script
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makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
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makefile.elf => Linux/ELF makefile symbol versioning,
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gcc, creates libpng12.so.0.1.2.36beta01)
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gcc, creates libpng12.so.0.1.2.36beta02)
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makefile.linux => Linux/ELF makefile
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(gcc, creates libpng12.so.0.1.2.36beta01)
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(gcc, creates libpng12.so.0.1.2.36beta02)
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makefile.gcc => Generic makefile (gcc, creates static libpng.a)
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makefile.knr => Archaic UNIX Makefile that converts files with
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ansi2knr (Requires ansi2knr.c from
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@ -125,14 +125,14 @@ include
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makefile.openbsd => OpenBSD makefile
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makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
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makefile.sggcc => Silicon Graphics (gcc,
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creates libpng12.so.0.1.2.36beta01)
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creates libpng12.so.0.1.2.36beta02)
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makefile.sunos => Sun makefile
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makefile.solaris => Solaris 2.X makefile (gcc,
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creates libpng12.so.0.1.2.36beta01)
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creates libpng12.so.0.1.2.36beta02)
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makefile.solaris-x86 => Solaris/intelMMX 2.X makefile (gcc,
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creates libpng12.so.0.1.2.36beta01)
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creates libpng12.so.0.1.2.36beta02)
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makefile.so9 => Solaris 9 makefile (gcc,
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creates libpng12.so.0.1.2.36beta01)
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creates libpng12.so.0.1.2.36beta02)
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makefile.32sunu => Sun Ultra 32-bit makefile
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makefile.64sunu => Sun Ultra 64-bit makefile
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makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
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2
KNOWNBUG
2
KNOWNBUG
@ -1,5 +1,5 @@
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Known bugs in libpng version 1.2.36beta01
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Known bugs in libpng version 1.2.36beta02
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1. February 23, 2006: The custom makefiles don't build libpng with -lz.
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4
LICENSE
4
LICENSE
@ -8,7 +8,7 @@ COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
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If you modify libpng you may insert additional notices immediately following
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this sentence.
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libpng versions 1.2.6, August 15, 2004, through 1.2.36beta01, February 28, 2009, are
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libpng versions 1.2.6, August 15, 2004, through 1.2.36beta02, March 21, 2009, are
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Copyright (c) 2004, 2006-2008 Glenn Randers-Pehrson, and are
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distributed according to the same disclaimer and license as libpng-1.2.5
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with the following individual added to the list of Contributing Authors
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@ -106,4 +106,4 @@ certification mark of the Open Source Initiative.
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Glenn Randers-Pehrson
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glennrp at users.sourceforge.net
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February 28, 2009
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March 21, 2009
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@ -86,7 +86,7 @@ EXTRA_DIST= \
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${srcdir}/contrib/pngsuite/* \
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${srcdir}/contrib/visupng/* \
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$(TESTS) \
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example.c libpng-1.2.36beta01.txt pngvcrd.c
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example.c libpng-1.2.36beta02.txt pngvcrd.c
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CLEANFILES= pngout.png libpng12.pc libpng12-config libpng.vers \
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libpng.sym
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@ -331,7 +331,7 @@ EXTRA_DIST = \
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${srcdir}/contrib/pngsuite/* \
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${srcdir}/contrib/visupng/* \
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$(TESTS) \
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example.c libpng-1.2.36beta01.txt pngvcrd.c
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example.c libpng-1.2.36beta02.txt pngvcrd.c
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CLEANFILES = pngout.png libpng12.pc libpng12-config libpng.vers \
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libpng.sym
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14
README
14
README
@ -1,4 +1,4 @@
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README for libpng version 1.2.36beta01 - February 28, 2009 (shared library 12.0)
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README for libpng version 1.2.36beta02 - March 21, 2009 (shared library 12.0)
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See the note about version numbers near the top of png.h
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See INSTALL for instructions on how to install libpng.
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@ -194,11 +194,11 @@ Files in this distribution:
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descrip.mms => VMS makefile for MMS or MMK
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makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
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makefile.elf => Linux/ELF makefile symbol versioning,
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gcc, creates libpng12.so.0.1.2.36beta01)
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gcc, creates libpng12.so.0.1.2.36beta02)
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makefile.linux => Linux/ELF makefile
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(gcc, creates libpng12.so.0.1.2.36beta01)
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(gcc, creates libpng12.so.0.1.2.36beta02)
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makefile.gcmmx => Linux/ELF makefile
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(gcc, creates libpng12.so.0.1.2.36beta01,
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(gcc, creates libpng12.so.0.1.2.36beta02,
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uses assembler code tuned for Intel MMX platform)
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makefile.gcc => Generic makefile (gcc, creates static libpng.a)
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makefile.knr => Archaic UNIX Makefile that converts files with
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@ -220,12 +220,12 @@ Files in this distribution:
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||||
makefile.openbsd => OpenBSD makefile
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||||
makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
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makefile.sggcc => Silicon Graphics
|
||||
(gcc, creates libpng12.so.0.1.2.36beta01)
|
||||
(gcc, creates libpng12.so.0.1.2.36beta02)
|
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makefile.sunos => Sun makefile
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makefile.solaris => Solaris 2.X makefile
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(gcc, creates libpng12.so.0.1.2.36beta01)
|
||||
(gcc, creates libpng12.so.0.1.2.36beta02)
|
||||
makefile.so9 => Solaris 9 makefile
|
||||
(gcc, creates libpng12.so.0.1.2.36beta01)
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(gcc, creates libpng12.so.0.1.2.36beta02)
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makefile.32sunu => Sun Ultra 32-bit makefile
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makefile.64sunu => Sun Ultra 64-bit makefile
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makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
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4
Y2KINFO
4
Y2KINFO
@ -1,13 +1,13 @@
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Y2K compliance in libpng:
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=========================
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February 28, 2009
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March 21, 2009
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Since the PNG Development group is an ad-hoc body, we can't make
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an official declaration.
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This is your unofficial assurance that libpng from version 0.71 and
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upward through 1.2.36beta01 are Y2K compliant. It is my belief that earlier
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upward through 1.2.36beta02 are Y2K compliant. It is my belief that earlier
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versions were also Y2K compliant.
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Libpng only has three year fields. One is a 2-byte unsigned integer
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22
configure
vendored
22
configure
vendored
@ -1,6 +1,6 @@
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#! /bin/sh
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# Guess values for system-dependent variables and create Makefiles.
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# Generated by GNU Autoconf 2.62 for libpng 1.2.36beta01.
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# Generated by GNU Autoconf 2.62 for libpng 1.2.36beta02.
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#
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# Report bugs to <png-mng-implement@lists.sourceforge.net>.
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#
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@ -745,8 +745,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
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# Identity of this package.
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PACKAGE_NAME='libpng'
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PACKAGE_TARNAME='libpng'
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PACKAGE_VERSION='1.2.36beta01'
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PACKAGE_STRING='libpng 1.2.36beta01'
|
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PACKAGE_VERSION='1.2.36beta02'
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PACKAGE_STRING='libpng 1.2.36beta02'
|
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PACKAGE_BUGREPORT='png-mng-implement@lists.sourceforge.net'
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|
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ac_unique_file="pngget.c"
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@ -1484,7 +1484,7 @@ if test "$ac_init_help" = "long"; then
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# Omit some internal or obsolete options to make the list less imposing.
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# This message is too long to be a string in the A/UX 3.1 sh.
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cat <<_ACEOF
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\`configure' configures libpng 1.2.36beta01 to adapt to many kinds of systems.
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\`configure' configures libpng 1.2.36beta02 to adapt to many kinds of systems.
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Usage: $0 [OPTION]... [VAR=VALUE]...
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@ -1554,7 +1554,7 @@ fi
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|
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if test -n "$ac_init_help"; then
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case $ac_init_help in
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short | recursive ) echo "Configuration of libpng 1.2.36beta01:";;
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short | recursive ) echo "Configuration of libpng 1.2.36beta02:";;
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esac
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cat <<\_ACEOF
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@ -1661,7 +1661,7 @@ fi
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test -n "$ac_init_help" && exit $ac_status
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if $ac_init_version; then
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cat <<\_ACEOF
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libpng configure 1.2.36beta01
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libpng configure 1.2.36beta02
|
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generated by GNU Autoconf 2.62
|
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|
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Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
|
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@ -1675,7 +1675,7 @@ 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 1.2.36beta01, which was
|
||||
It was created by libpng $as_me 1.2.36beta02, which was
|
||||
generated by GNU Autoconf 2.62. Invocation command line was
|
||||
|
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$ $0 $@
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@ -2389,7 +2389,7 @@ fi
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||||
|
||||
# Define the identity of the package.
|
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PACKAGE='libpng'
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VERSION='1.2.36beta01'
|
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VERSION='1.2.36beta02'
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||||
|
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|
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cat >>confdefs.h <<_ACEOF
|
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@ -2558,7 +2558,7 @@ fi
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|
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|
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PNGLIB_VERSION=1.2.36beta01
|
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PNGLIB_VERSION=1.2.36beta02
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PNGLIB_MAJOR=1
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PNGLIB_MINOR=2
|
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PNGLIB_RELEASE=36
|
||||
@ -13125,7 +13125,7 @@ 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 1.2.36beta01, which was
|
||||
This file was extended by libpng $as_me 1.2.36beta02, which was
|
||||
generated by GNU Autoconf 2.62. Invocation command line was
|
||||
|
||||
CONFIG_FILES = $CONFIG_FILES
|
||||
@ -13178,7 +13178,7 @@ Report bugs to <bug-autoconf@gnu.org>."
|
||||
_ACEOF
|
||||
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
|
||||
ac_cs_version="\\
|
||||
libpng config.status 1.2.36beta01
|
||||
libpng config.status 1.2.36beta02
|
||||
configured by $0, generated by GNU Autoconf 2.62,
|
||||
with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
|
||||
|
||||
|
||||
@ -18,12 +18,12 @@ AC_PREREQ(2.59)
|
||||
|
||||
dnl Version number stuff here:
|
||||
|
||||
AC_INIT([libpng], [1.2.36beta01], [png-mng-implement@lists.sourceforge.net])
|
||||
AC_INIT([libpng], [1.2.36beta02], [png-mng-implement@lists.sourceforge.net])
|
||||
AM_INIT_AUTOMAKE
|
||||
dnl stop configure from automagically running automake
|
||||
AM_MAINTAINER_MODE
|
||||
|
||||
PNGLIB_VERSION=1.2.36beta01
|
||||
PNGLIB_VERSION=1.2.36beta02
|
||||
PNGLIB_MAJOR=1
|
||||
PNGLIB_MINOR=2
|
||||
PNGLIB_RELEASE=36
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||||
|
||||
@ -51,6 +51,7 @@
|
||||
#define PNG_NO_WRITE_FILTER
|
||||
#define PNG_NO_WRITE_WEIGHTED_FILTER
|
||||
#define PNG_NO_WRITE_INTERLACING_SUPPORTED
|
||||
#define PNG_NO_WRITE_FLUSH
|
||||
|
||||
#define PNG_NO_INFO_IMAGE
|
||||
#define PNG_NO_USER_MEM
|
||||
|
||||
@ -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 1.2.35 [February 14, 2009]
|
||||
* Last changed in libpng 1.2.36 [March 21, 2009]
|
||||
* This file has been placed in the public domain by the authors.
|
||||
* Maintained 1998-2009 Glenn Randers-Pehrson
|
||||
* Maintained 1996, 1997 Andreas Dilger)
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
libpng.txt - A description on how to use and modify libpng
|
||||
|
||||
libpng version 1.2.36beta01 - February 28, 2009
|
||||
libpng version 1.2.36beta02 - March 21, 2009
|
||||
Updated and distributed by Glenn Randers-Pehrson
|
||||
<glennrp at users.sourceforge.net>
|
||||
Copyright (c) 1998-2009 Glenn Randers-Pehrson
|
||||
@ -9,7 +9,7 @@ libpng.txt - A description on how to use and modify libpng
|
||||
|
||||
Based on:
|
||||
|
||||
libpng versions 0.97, January 1998, through 1.2.36beta01 - February 28, 2009
|
||||
libpng versions 0.97, January 1998, through 1.2.36beta02 - March 21, 2009
|
||||
Updated and distributed by Glenn Randers-Pehrson
|
||||
Copyright (c) 1998-2008 Glenn Randers-Pehrson
|
||||
|
||||
@ -407,6 +407,27 @@ callback function:
|
||||
(int)sizeof(unused_chunks)/5);
|
||||
#endif
|
||||
|
||||
User limits
|
||||
|
||||
The PNG specification allows the width and height of an image to be as
|
||||
large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns.
|
||||
Since very few applications really need to process such large images,
|
||||
we have imposed an arbitrary 1-million limit on rows and columns.
|
||||
Larger images will be rejected immediately with a png_error() call. If
|
||||
you wish to override this limit, you can use
|
||||
|
||||
png_set_user_limits(png_ptr, width_max, height_max);
|
||||
|
||||
to set your own limits, or use width_max = height_max = 0x7fffffffL
|
||||
to allow all valid dimensions (libpng may reject some very large images
|
||||
anyway because of potential buffer overflow conditions).
|
||||
|
||||
You should put this statement after you create the PNG structure and
|
||||
before calling png_read_info(), png_read_png(), or png_process_data().
|
||||
If you need to retrieve the limits that are being applied, use
|
||||
|
||||
width_max = png_get_user_width_max(png_ptr);
|
||||
height_max = png_get_user_height_max(png_ptr);
|
||||
|
||||
The high-level read interface
|
||||
|
||||
@ -850,9 +871,6 @@ 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.
|
||||
At the same time, png_set_gray_1_2_4_to_8() was deprecated, and it
|
||||
will be removed from a future version.
|
||||
|
||||
|
||||
PNG can have files with 16 bits per channel. If you only can handle
|
||||
8 bits per channel, this will strip the pixels down to 8 bit.
|
||||
@ -2069,7 +2087,12 @@ transformations are permitted, enabled by the following masks.
|
||||
PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity
|
||||
to transparency
|
||||
PNG_TRANSFORM_SWAP_ENDIAN Byte-swap 16-bit samples
|
||||
PNG_TRANSFORM_STRIP_FILLER Strip out filler bytes.
|
||||
PNG_TRANSFORM_STRIP_FILLER Strip out filler
|
||||
bytes (deprecated).
|
||||
PNG_TRANSFORM_STRIP_FILLER_BEFORE Strip out leading
|
||||
filler bytes
|
||||
PNG_TRANSFORM_STRIP_FILLER_AFTER Strip out trailing
|
||||
filler bytes
|
||||
|
||||
If you have valid image data in the info structure (you can use
|
||||
png_set_rows() to put image data in the info structure), simply do this:
|
||||
@ -2476,9 +2499,15 @@ The replacement I/O functions must have prototypes as follows:
|
||||
png_bytep data, png_size_t length);
|
||||
void user_flush_data(png_structp png_ptr);
|
||||
|
||||
The user_read_data() function is responsible for detecting and
|
||||
handling end-of-data errors.
|
||||
|
||||
Supplying NULL for the read, write, or flush functions sets them back
|
||||
to using the default C stream functions. It is an error to read from
|
||||
a write stream, and vice versa.
|
||||
to using the default C stream functions, which expect the io_ptr to
|
||||
point to a standard *FILE structure. It is probably a mistake
|
||||
to use NULL for one of write_data_fn and output_flush_fn but not both
|
||||
of them, unless you have built libpng with PNG_NO_WRITE_FLUSH defined.
|
||||
It is an error to read from a write stream, and vice versa.
|
||||
|
||||
Error handling in libpng is done through png_error() and png_warning().
|
||||
Errors handled through png_error() are fatal, meaning that png_error()
|
||||
@ -2583,11 +2612,12 @@ you may also have to change the memory allocators (png_malloc, etc.).
|
||||
|
||||
Configuring for compiler xxx:
|
||||
|
||||
All includes for libpng are in pngconf.h. If you need to add/change/delete
|
||||
an include, this is the place to do it. The includes that are not
|
||||
needed outside libpng are protected by the PNG_INTERNAL definition,
|
||||
which is only defined for those routines inside libpng itself. The
|
||||
files in libpng proper only include png.h, which includes pngconf.h.
|
||||
All includes for libpng are in pngconf.h. If you need to add, change
|
||||
or delete an include, this is the place to do it.
|
||||
The includes that are not needed outside libpng are protected by the
|
||||
PNG_INTERNAL definition, which is only defined for those routines inside
|
||||
libpng itself. The files in libpng proper only include png.h, which
|
||||
includes pngconf.h.
|
||||
|
||||
Configuring zlib:
|
||||
|
||||
@ -2778,7 +2808,7 @@ When PNG_DEBUG = 1, the macros are defined, but only png_debug statements
|
||||
having level = 0 will be printed. There aren't any such statements in
|
||||
this version of libpng, but if you insert some they will be printed.
|
||||
|
||||
VII. MNG support
|
||||
VI. MNG support
|
||||
|
||||
The MNG specification (available at http://www.libpng.org/pub/mng) allows
|
||||
certain extensions to PNG for PNG images that are embedded in MNG datastreams.
|
||||
@ -2803,7 +2833,7 @@ or any other MNG chunks; your application must provide its own support for
|
||||
them. You may wish to consider using libmng (available at
|
||||
http://www.libmng.com) instead.
|
||||
|
||||
VIII. Changes to Libpng from version 0.88
|
||||
VII. Changes to Libpng from version 0.88
|
||||
|
||||
It should be noted that versions of libpng later than 0.96 are not
|
||||
distributed by the original libpng author, Guy Schalnat, nor by
|
||||
@ -2852,15 +2882,15 @@ application:
|
||||
|
||||
png_uint_32 application_vn = PNG_LIBPNG_VER;
|
||||
|
||||
IX. Y2K Compliance in libpng
|
||||
VIII. Y2K Compliance in libpng
|
||||
|
||||
February 28, 2009
|
||||
March 21, 2009
|
||||
|
||||
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 1.2.36beta01 are Y2K compliant. It is my belief that earlier
|
||||
upward through 1.2.36beta02 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
|
||||
78
libpng.3
78
libpng.3
@ -1,6 +1,6 @@
|
||||
.TH LIBPNG 3 "February 28, 2009"
|
||||
.TH LIBPNG 3 "March 21, 2009"
|
||||
.SH NAME
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.36beta01
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.36beta02
|
||||
.SH SYNOPSIS
|
||||
\fI\fB
|
||||
|
||||
@ -821,7 +821,7 @@ 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 1.2.36beta01 - February 28, 2009
|
||||
libpng version 1.2.36beta02 - March 21, 2009
|
||||
Updated and distributed by Glenn Randers-Pehrson
|
||||
<glennrp at users.sourceforge.net>
|
||||
Copyright (c) 1998-2009 Glenn Randers-Pehrson
|
||||
@ -830,7 +830,7 @@ libpng.txt - A description on how to use and modify libpng
|
||||
|
||||
Based on:
|
||||
|
||||
libpng versions 0.97, January 1998, through 1.2.36beta01 - February 28, 2009
|
||||
libpng versions 0.97, January 1998, through 1.2.36beta02 - March 21, 2009
|
||||
Updated and distributed by Glenn Randers-Pehrson
|
||||
Copyright (c) 1998-2008 Glenn Randers-Pehrson
|
||||
|
||||
@ -1228,6 +1228,27 @@ callback function:
|
||||
(int)sizeof(unused_chunks)/5);
|
||||
#endif
|
||||
|
||||
.SS User limits
|
||||
|
||||
The PNG specification allows the width and height of an image to be as
|
||||
large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns.
|
||||
Since very few applications really need to process such large images,
|
||||
we have imposed an arbitrary 1-million limit on rows and columns.
|
||||
Larger images will be rejected immediately with a png_error() call. If
|
||||
you wish to override this limit, you can use
|
||||
|
||||
png_set_user_limits(png_ptr, width_max, height_max);
|
||||
|
||||
to set your own limits, or use width_max = height_max = 0x7fffffffL
|
||||
to allow all valid dimensions (libpng may reject some very large images
|
||||
anyway because of potential buffer overflow conditions).
|
||||
|
||||
You should put this statement after you create the PNG structure and
|
||||
before calling png_read_info(), png_read_png(), or png_process_data().
|
||||
If you need to retrieve the limits that are being applied, use
|
||||
|
||||
width_max = png_get_user_width_max(png_ptr);
|
||||
height_max = png_get_user_height_max(png_ptr);
|
||||
|
||||
.SS The high-level read interface
|
||||
|
||||
@ -1671,9 +1692,6 @@ 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.
|
||||
At the same time, png_set_gray_1_2_4_to_8() was deprecated, and it
|
||||
will be removed from a future version.
|
||||
|
||||
|
||||
PNG can have files with 16 bits per channel. If you only can handle
|
||||
8 bits per channel, this will strip the pixels down to 8 bit.
|
||||
@ -2890,7 +2908,12 @@ transformations are permitted, enabled by the following masks.
|
||||
PNG_TRANSFORM_INVERT_ALPHA Change alpha from opacity
|
||||
to transparency
|
||||
PNG_TRANSFORM_SWAP_ENDIAN Byte-swap 16-bit samples
|
||||
PNG_TRANSFORM_STRIP_FILLER Strip out filler bytes.
|
||||
PNG_TRANSFORM_STRIP_FILLER Strip out filler
|
||||
bytes (deprecated).
|
||||
PNG_TRANSFORM_STRIP_FILLER_BEFORE Strip out leading
|
||||
filler bytes
|
||||
PNG_TRANSFORM_STRIP_FILLER_AFTER Strip out trailing
|
||||
filler bytes
|
||||
|
||||
If you have valid image data in the info structure (you can use
|
||||
png_set_rows() to put image data in the info structure), simply do this:
|
||||
@ -3297,9 +3320,15 @@ The replacement I/O functions must have prototypes as follows:
|
||||
png_bytep data, png_size_t length);
|
||||
void user_flush_data(png_structp png_ptr);
|
||||
|
||||
The user_read_data() function is responsible for detecting and
|
||||
handling end-of-data errors.
|
||||
|
||||
Supplying NULL for the read, write, or flush functions sets them back
|
||||
to using the default C stream functions. It is an error to read from
|
||||
a write stream, and vice versa.
|
||||
to using the default C stream functions, which expect the io_ptr to
|
||||
point to a standard *FILE structure. It is probably a mistake
|
||||
to use NULL for one of write_data_fn and output_flush_fn but not both
|
||||
of them, unless you have built libpng with PNG_NO_WRITE_FLUSH defined.
|
||||
It is an error to read from a write stream, and vice versa.
|
||||
|
||||
Error handling in libpng is done through png_error() and png_warning().
|
||||
Errors handled through png_error() are fatal, meaning that png_error()
|
||||
@ -3404,11 +3433,12 @@ you may also have to change the memory allocators (png_malloc, etc.).
|
||||
|
||||
.SS Configuring for compiler xxx:
|
||||
|
||||
All includes for libpng are in pngconf.h. If you need to add/change/delete
|
||||
an include, this is the place to do it. The includes that are not
|
||||
needed outside libpng are protected by the PNG_INTERNAL definition,
|
||||
which is only defined for those routines inside libpng itself. The
|
||||
files in libpng proper only include png.h, which includes pngconf.h.
|
||||
All includes for libpng are in pngconf.h. If you need to add, change
|
||||
or delete an include, this is the place to do it.
|
||||
The includes that are not needed outside libpng are protected by the
|
||||
PNG_INTERNAL definition, which is only defined for those routines inside
|
||||
libpng itself. The files in libpng proper only include png.h, which
|
||||
includes pngconf.h.
|
||||
|
||||
.SS Configuring zlib:
|
||||
|
||||
@ -3599,7 +3629,7 @@ When PNG_DEBUG = 1, the macros are defined, but only png_debug statements
|
||||
having level = 0 will be printed. There aren't any such statements in
|
||||
this version of libpng, but if you insert some they will be printed.
|
||||
|
||||
.SH VII. MNG support
|
||||
.SH VI. MNG support
|
||||
|
||||
The MNG specification (available at http://www.libpng.org/pub/mng) allows
|
||||
certain extensions to PNG for PNG images that are embedded in MNG datastreams.
|
||||
@ -3624,7 +3654,7 @@ or any other MNG chunks; your application must provide its own support for
|
||||
them. You may wish to consider using libmng (available at
|
||||
http://www.libmng.com) instead.
|
||||
|
||||
.SH VIII. Changes to Libpng from version 0.88
|
||||
.SH VII. Changes to Libpng from version 0.88
|
||||
|
||||
It should be noted that versions of libpng later than 0.96 are not
|
||||
distributed by the original libpng author, Guy Schalnat, nor by
|
||||
@ -3673,15 +3703,15 @@ application:
|
||||
|
||||
png_uint_32 application_vn = PNG_LIBPNG_VER;
|
||||
|
||||
.SH IX. Y2K Compliance in libpng
|
||||
.SH VIII. Y2K Compliance in libpng
|
||||
|
||||
February 28, 2009
|
||||
March 21, 2009
|
||||
|
||||
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 1.2.36beta01 are Y2K compliant. It is my belief that earlier
|
||||
upward through 1.2.36beta02 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 +3973,7 @@ the first widely used release:
|
||||
1.2.35rc01-02 13 10235 12.so.0.35[.0]
|
||||
1.0.43 10 10043 10.so.0.43[.0]
|
||||
1.2.35 13 10235 12.so.0.35[.0]
|
||||
1.2.36beta01 13 10236 12.so.0.36[.0]
|
||||
1.2.36beta01-02 13 10236 12.so.0.36[.0]
|
||||
|
||||
Henceforth the source version will match the shared-library minor
|
||||
and patch numbers; the shared-library major version number will be
|
||||
@ -3999,7 +4029,7 @@ possible without all of you.
|
||||
|
||||
Thanks to Frank J. T. Wojcik for helping with the documentation.
|
||||
|
||||
Libpng version 1.2.36beta01 - February 28, 2009:
|
||||
Libpng version 1.2.36beta02 - March 21, 2009:
|
||||
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
|
||||
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
|
||||
|
||||
@ -4020,7 +4050,7 @@ 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 1.2.36beta01, February 28, 2009, are
|
||||
libpng versions 1.2.6, August 15, 2004, through 1.2.36beta02, March 21, 2009, are
|
||||
Copyright (c) 2004,2006-2008 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
|
||||
@ -4119,7 +4149,7 @@ certification mark of the Open Source Initiative.
|
||||
|
||||
Glenn Randers-Pehrson
|
||||
glennrp at users.sourceforge.net
|
||||
February 28, 2009
|
||||
March 21, 2009
|
||||
|
||||
.\" end of man page
|
||||
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.TH LIBPNGPF 3 "February 28, 2009"
|
||||
.TH LIBPNGPF 3 "March 21, 2009"
|
||||
.SH NAME
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.36beta01
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.36beta02
|
||||
(private functions)
|
||||
.SH SYNOPSIS
|
||||
\fB#include <png.h>\fP
|
||||
|
||||
2
png.5
2
png.5
@ -1,4 +1,4 @@
|
||||
.TH PNG 5 "February 28, 2009"
|
||||
.TH PNG 5 "March 21, 2009"
|
||||
.SH NAME
|
||||
png \- Portable Network Graphics (PNG) format
|
||||
.SH DESCRIPTION
|
||||
|
||||
5
png.c
5
png.c
@ -13,7 +13,7 @@
|
||||
#include "png.h"
|
||||
|
||||
/* Generate a compiler error if there is an old png.h in the search path. */
|
||||
typedef version_1_2_36beta01 Your_png_h_is_not_version_1_2_36beta01;
|
||||
typedef version_1_2_36beta02 Your_png_h_is_not_version_1_2_36beta02;
|
||||
|
||||
/* Version information for C files. This had better match the version
|
||||
* string defined in png.h. */
|
||||
@ -694,7 +694,7 @@ 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 1.2.36beta01 - February 28, 2009\n\
|
||||
return ((png_charp) "\n libpng version 1.2.36beta02 - March 21, 2009\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");
|
||||
@ -800,6 +800,7 @@ png_convert_size(size_t size)
|
||||
/* Added at libpng version 1.2.34 and 1.4.0 (moved from pngset.c) */
|
||||
#if defined(PNG_cHRM_SUPPORTED)
|
||||
#if !defined(PNG_NO_CHECK_cHRM)
|
||||
|
||||
/*
|
||||
Multiply two 32-bit numbers, V1 and V2, using 32-bit
|
||||
arithmetic, to produce a 64 bit result in the HI/LO words.
|
||||
|
||||
25
png.h
25
png.h
@ -1,6 +1,6 @@
|
||||
/* png.h - header file for PNG reference library
|
||||
*
|
||||
* libpng version 1.2.36beta01 - February 28, 2009
|
||||
* libpng version 1.2.36beta02 - March 21, 2009
|
||||
* Copyright (c) 1998-2009 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.)
|
||||
@ -8,7 +8,7 @@
|
||||
* 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 1.2.36beta01 - February 28, 2009: Glenn
|
||||
* libpng versions 0.97, January 1998, through 1.2.36beta02 - March 21, 2009: Glenn
|
||||
* See also "Contributing Authors", below.
|
||||
*
|
||||
* Note about libpng version numbers:
|
||||
@ -222,7 +222,7 @@
|
||||
* 1.2.35rc01-02 13 10235 12.so.0.35[.0]
|
||||
* 1.0.43 10 10043 10.so.0.43[.0]
|
||||
* 1.2.35 13 10235 12.so.0.35[.0]
|
||||
* 1.2.36beta01 13 10236 12.so.0.36[.0]
|
||||
* 1.2.36beta01-02 13 10236 12.so.0.36[.0]
|
||||
*
|
||||
* Henceforth the source version will match the shared-library major
|
||||
* and minor numbers; the shared-library major version number will be
|
||||
@ -252,7 +252,7 @@
|
||||
* If you modify libpng you may insert additional notices immediately following
|
||||
* this sentence.
|
||||
*
|
||||
* libpng versions 1.2.6, August 15, 2004, through 1.2.36beta01, February 28, 2009, are
|
||||
* libpng versions 1.2.6, August 15, 2004, through 1.2.36beta02, March 21, 2009, are
|
||||
* Copyright (c) 2004, 2006-2008 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:
|
||||
@ -364,13 +364,13 @@
|
||||
* Y2K compliance in libpng:
|
||||
* =========================
|
||||
*
|
||||
* February 28, 2009
|
||||
* March 21, 2009
|
||||
*
|
||||
* 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 1.2.36beta01 are Y2K compliant. It is my belief that earlier
|
||||
* upward through 1.2.36beta02 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
|
||||
@ -426,9 +426,9 @@
|
||||
*/
|
||||
|
||||
/* Version information for png.h - this should match the version in png.c */
|
||||
#define PNG_LIBPNG_VER_STRING "1.2.36beta01"
|
||||
#define PNG_LIBPNG_VER_STRING "1.2.36beta02"
|
||||
#define PNG_HEADER_VERSION_STRING \
|
||||
" libpng version 1.2.36beta01 - February 28, 2009\n"
|
||||
" libpng version 1.2.36beta02 - March 21, 2009\n"
|
||||
|
||||
#define PNG_LIBPNG_VER_SONUM 0
|
||||
#define PNG_LIBPNG_VER_DLLNUM 13
|
||||
@ -440,7 +440,7 @@
|
||||
/* This should match the numeric part of the final component of
|
||||
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
|
||||
|
||||
#define PNG_LIBPNG_VER_BUILD 01
|
||||
#define PNG_LIBPNG_VER_BUILD 02
|
||||
|
||||
/* Release Status */
|
||||
#define PNG_LIBPNG_BUILD_ALPHA 1
|
||||
@ -1488,7 +1488,7 @@ 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_2_36beta01;
|
||||
typedef png_structp version_1_2_36beta02;
|
||||
|
||||
typedef png_struct FAR * FAR * png_structpp;
|
||||
|
||||
@ -1988,6 +1988,11 @@ extern PNG_EXPORT(png_voidp,png_get_error_ptr) PNGARG((png_structp png_ptr));
|
||||
* If buffered output is not used, then output_flush_fn can be set to NULL.
|
||||
* If PNG_WRITE_FLUSH_SUPPORTED is not defined at libpng compile time
|
||||
* output_flush_fn will be ignored (and thus can be NULL).
|
||||
* It is probably a mistake to use NULL for output_flush_fn if
|
||||
* write_data_fn is not also NULL unless you have built libpng with
|
||||
* PNG_WRITE_FLUSH_SUPPORTED undefined, because in this case libpng's
|
||||
* default flush function, which uses the standard *FILE structure, will
|
||||
* be used.
|
||||
*/
|
||||
extern PNG_EXPORT(void,png_set_write_fn) PNGARG((png_structp png_ptr,
|
||||
png_voidp io_ptr, png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn));
|
||||
|
||||
10
pngconf.h
10
pngconf.h
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngconf.h - machine configurable file for libpng
|
||||
*
|
||||
* libpng version 1.2.36beta01 - February 28, 2009
|
||||
* libpng version 1.2.36beta02 - March 21, 2009
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2009 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -800,7 +800,6 @@
|
||||
# define PNG_USER_HEIGHT_MAX 1000000L
|
||||
#endif
|
||||
|
||||
|
||||
/* Added at libpng-1.2.34 and 1.4.0 */
|
||||
#ifndef PNG_STRING_NEWLINE
|
||||
#define PNG_STRING_NEWLINE "\n"
|
||||
@ -1439,7 +1438,6 @@ typedef z_stream FAR * png_zstreamp;
|
||||
# define NOCHECK 0
|
||||
# define CVT_PTR(ptr) (png_far_to_near(png_ptr,ptr,CHECK))
|
||||
# define CVT_PTR_NOCHECK(ptr) (png_far_to_near(png_ptr,ptr,NOCHECK))
|
||||
# define png_fileno _fileno
|
||||
# define png_snprintf _fsnprintf /* Added to v 1.2.19 */
|
||||
# define png_strlen _fstrlen
|
||||
# define png_memcmp _fmemcmp /* SJT: added */
|
||||
@ -1448,11 +1446,6 @@ typedef z_stream FAR * png_zstreamp;
|
||||
#else /* use the usual functions */
|
||||
# define CVT_PTR(ptr) (ptr)
|
||||
# define CVT_PTR_NOCHECK(ptr) (ptr)
|
||||
# ifdef _MSC_VER
|
||||
# define png_fileno _fileno /* Added to v 1.2.36 */
|
||||
# else
|
||||
# define png_fileno fileno
|
||||
# endif
|
||||
# ifndef PNG_NO_SNPRINTF
|
||||
# ifdef _MSC_VER
|
||||
# define png_snprintf _snprintf /* Added to v 1.2.19 */
|
||||
@ -1474,7 +1467,6 @@ typedef z_stream FAR * png_zstreamp;
|
||||
# define png_snprintf6(s1,n,fmt,x1,x2,x3,x4,x5,x6) \
|
||||
sprintf(s1,fmt,x1,x2,x3,x4,x5,x6)
|
||||
# endif
|
||||
# define png_fileno fileno /* Added to v 1.2.36 */
|
||||
# define png_strlen strlen
|
||||
# define png_memcmp memcmp /* SJT: added */
|
||||
# define png_memcpy memcpy
|
||||
|
||||
34
pngerror.c
34
pngerror.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngerror.c - stub functions for i/o and memory allocation
|
||||
*
|
||||
* Last changed in libpng 1.2.34 [December 18, 2008]
|
||||
* Last changed in libpng 1.2.36 [March 21, 2009]
|
||||
* 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)
|
||||
@ -217,7 +217,7 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
|
||||
#ifdef PNG_ERROR_NUMBERS_SUPPORTED
|
||||
if (*error_message == '#')
|
||||
{
|
||||
/* Strip "#nnnn " from beginning of warning message. */
|
||||
/* Strip "#nnnn " from beginning of error message. */
|
||||
int offset;
|
||||
char error_number[16];
|
||||
for (offset = 0; offset<15; offset++)
|
||||
@ -229,15 +229,21 @@ png_default_error(png_structp png_ptr, png_const_charp error_message)
|
||||
if ((offset > 1) && (offset < 15))
|
||||
{
|
||||
error_number[offset - 1] = '\0';
|
||||
fprintf(stderr, "libpng error no. %s: %s\n", error_number,
|
||||
error_message + offset + 1);
|
||||
fprintf(stderr, "libpng error no. %s: %s",
|
||||
error_number, error_message + offset + 1);
|
||||
fprintf(stderr, PNG_STRING_NEWLINE);
|
||||
}
|
||||
else
|
||||
fprintf(stderr, "libpng error: %s, offset=%d\n", error_message, offset);
|
||||
fprintf(stderr, "libpng error: %s, offset=%d",
|
||||
error_message, offset);
|
||||
fprintf(stderr, PNG_STRING_NEWLINE);
|
||||
}
|
||||
else
|
||||
#endif
|
||||
fprintf(stderr, "libpng error: %s\n", error_message);
|
||||
{
|
||||
fprintf(stderr, "libpng error: %s", error_message);
|
||||
fprintf(stderr, PNG_STRING_NEWLINE);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef PNG_SETJMP_SUPPORTED
|
||||
@ -285,15 +291,23 @@ png_default_warning(png_structp png_ptr, png_const_charp warning_message)
|
||||
if ((offset > 1) && (offset < 15))
|
||||
{
|
||||
warning_number[offset + 1] = '\0';
|
||||
fprintf(stderr, "libpng warning no. %s: %s\n", warning_number,
|
||||
warning_message + offset);
|
||||
fprintf(stderr, "libpng warning no. %s: %s",
|
||||
warning_number, warning_message + offset);
|
||||
fprintf(stderr, PNG_STRING_NEWLINE);
|
||||
}
|
||||
else
|
||||
fprintf(stderr, "libpng warning: %s\n", warning_message);
|
||||
{
|
||||
fprintf(stderr, "libpng warning: %s",
|
||||
warning_message);
|
||||
fprintf(stderr, PNG_STRING_NEWLINE);
|
||||
}
|
||||
}
|
||||
else
|
||||
# endif
|
||||
fprintf(stderr, "libpng warning: %s\n", warning_message);
|
||||
{
|
||||
fprintf(stderr, "libpng warning: %s", warning_message);
|
||||
fprintf(stderr, PNG_STRING_NEWLINE);
|
||||
}
|
||||
#else
|
||||
warning_message = warning_message; /* make compiler happy */
|
||||
#endif
|
||||
|
||||
1
pngmem.c
1
pngmem.c
@ -425,6 +425,7 @@ png_destroy_struct_2(png_voidp struct_ptr, png_free_ptr free_fn,
|
||||
need to allocate exactly 64K, so whatever you call here must
|
||||
have the ability to do that. */
|
||||
|
||||
|
||||
png_voidp PNGAPI
|
||||
png_malloc(png_structp png_ptr, png_uint_32 size)
|
||||
{
|
||||
|
||||
@ -1434,11 +1434,11 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
|
||||
{
|
||||
info_ptr->row_pointers = (png_bytepp)png_malloc(png_ptr,
|
||||
info_ptr->height * png_sizeof(png_bytep));
|
||||
png_memset(info_ptr->row_pointers, 0, info_ptr->height
|
||||
* png_sizeof(png_bytep));
|
||||
#ifdef PNG_FREE_ME_SUPPORTED
|
||||
info_ptr->free_me |= PNG_FREE_ROWS;
|
||||
#endif
|
||||
png_memset(info_ptr->row_pointers, 0, info_ptr->height
|
||||
* png_sizeof(png_bytep));
|
||||
for (row = 0; row < (int)info_ptr->height; row++)
|
||||
info_ptr->row_pointers[row] = (png_bytep)png_malloc(png_ptr,
|
||||
png_get_rowbytes(png_ptr, info_ptr));
|
||||
|
||||
2
pngrio.c
2
pngrio.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngrio.c - functions for data input
|
||||
*
|
||||
* Last changed in libpng 1.2.36 [February 28, 2009]
|
||||
* Last changed in libpng 1.2.36 [March 21, 2009]
|
||||
* 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)
|
||||
|
||||
@ -455,10 +455,8 @@ png_set_dither(png_structp png_ptr, png_colorp palette,
|
||||
int num_green = (1 << PNG_DITHER_GREEN_BITS);
|
||||
int num_blue = (1 << PNG_DITHER_BLUE_BITS);
|
||||
png_size_t num_entries = ((png_size_t)1 << total_bits);
|
||||
|
||||
png_ptr->palette_lookup = (png_bytep )png_malloc(png_ptr,
|
||||
(png_uint_32)(num_entries * png_sizeof(png_byte)));
|
||||
|
||||
png_memset(png_ptr->palette_lookup, 0, num_entries *
|
||||
png_sizeof(png_byte));
|
||||
|
||||
@ -4125,14 +4123,13 @@ png_build_gamma_table(png_structp png_ptr)
|
||||
|
||||
png_ptr->gamma_16_table = (png_uint_16pp)png_malloc(png_ptr,
|
||||
(png_uint_32)(num * png_sizeof(png_uint_16p)));
|
||||
png_memset(png_ptr->gamma_16_table, 0, num * png_sizeof(png_uint_16p));
|
||||
|
||||
if (png_ptr->transformations & (PNG_16_TO_8 | PNG_BACKGROUND))
|
||||
{
|
||||
double fin, fout;
|
||||
png_uint_32 last, max;
|
||||
|
||||
png_memset(png_ptr->gamma_16_table, 0, num * png_sizeof(png_uint_16p));
|
||||
|
||||
for (i = 0; i < num; i++)
|
||||
{
|
||||
png_ptr->gamma_16_table[i] = (png_uint_16p)png_malloc(png_ptr,
|
||||
@ -4187,7 +4184,6 @@ png_build_gamma_table(png_structp png_ptr)
|
||||
|
||||
png_ptr->gamma_16_to_1 = (png_uint_16pp)png_malloc(png_ptr,
|
||||
(png_uint_32)(num * png_sizeof(png_uint_16p )));
|
||||
|
||||
png_memset(png_ptr->gamma_16_to_1, 0, num * png_sizeof(png_uint_16p));
|
||||
|
||||
for (i = 0; i < num; i++)
|
||||
@ -4212,7 +4208,6 @@ png_build_gamma_table(png_structp png_ptr)
|
||||
|
||||
png_ptr->gamma_16_from_1 = (png_uint_16pp)png_malloc(png_ptr,
|
||||
(png_uint_32)(num * png_sizeof(png_uint_16p)));
|
||||
|
||||
png_memset(png_ptr->gamma_16_from_1, 0,
|
||||
num * png_sizeof(png_uint_16p));
|
||||
|
||||
|
||||
@ -1,9 +1,9 @@
|
||||
|
||||
/* pngrutil.c - utilities to read a PNG file
|
||||
*
|
||||
* Last changed in libpng 1.2.34 [December 18, 2008]
|
||||
* Last changed in libpng 1.2.36 [March 21, 2009]
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998-2009 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.)
|
||||
*
|
||||
@ -3188,6 +3188,8 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
|
||||
{
|
||||
png_free(png_ptr, png_ptr->big_row_buf);
|
||||
png_ptr->big_row_buf = (png_bytep)png_malloc(png_ptr, row_bytes + 64);
|
||||
if (png_ptr->interlaced)
|
||||
png_memset(png_ptr->big_row_buf, 0, png_ptr->rowbytes + 64);
|
||||
png_ptr->row_buf = png_ptr->big_row_buf + 32;
|
||||
png_ptr->old_big_row_buf_size = row_bytes + 64;
|
||||
}
|
||||
|
||||
8
pngset.c
8
pngset.c
@ -383,10 +383,6 @@ png_set_pCAL(png_structp png_ptr, png_infop info_ptr,
|
||||
return;
|
||||
}
|
||||
|
||||
#ifdef PNG_FREE_ME_SUPPORTED
|
||||
info_ptr->free_me |= PNG_FREE_PCAL;
|
||||
#endif
|
||||
|
||||
png_memset(info_ptr->pcal_params, 0, (nparams + 1) * png_sizeof(png_charp));
|
||||
|
||||
for (i = 0; i < nparams; i++)
|
||||
@ -404,6 +400,9 @@ png_set_pCAL(png_structp png_ptr, png_infop info_ptr,
|
||||
}
|
||||
|
||||
info_ptr->valid |= PNG_INFO_pCAL;
|
||||
#ifdef PNG_FREE_ME_SUPPORTED
|
||||
info_ptr->free_me |= PNG_FREE_PCAL;
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -961,7 +960,6 @@ png_set_sPLT(png_structp png_ptr,
|
||||
|
||||
png_memcpy(np, info_ptr->splt_palettes,
|
||||
info_ptr->splt_palettes_num * png_sizeof(png_sPLT_t));
|
||||
|
||||
png_free(png_ptr, info_ptr->splt_palettes);
|
||||
info_ptr->splt_palettes=NULL;
|
||||
|
||||
|
||||
14
pngtest.c
14
pngtest.c
@ -1,9 +1,9 @@
|
||||
|
||||
/* pngtest.c - a simple test program to test libpng
|
||||
*
|
||||
* Last changed in libpng 1.2.32 [September 18, 2008]
|
||||
* Last changed in libpng 1.2.36 [March 21, 2009]
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2008 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998-2009 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.)
|
||||
*
|
||||
@ -362,12 +362,8 @@ pngtest_read_data(png_structp png_ptr, png_bytep data, png_size_t length)
|
||||
static void
|
||||
pngtest_flush(png_structp png_ptr)
|
||||
{
|
||||
#if !defined(_WIN32_WCE)
|
||||
png_FILE_p io_ptr;
|
||||
io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
|
||||
if (io_ptr != NULL)
|
||||
fflush(io_ptr);
|
||||
#endif
|
||||
/* Do nothing; fflush() is said to be just a waste of energy. */
|
||||
png_ptr = png_ptr; /* stifle compiler warning */
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -1685,4 +1681,4 @@ main(int argc, char *argv[])
|
||||
}
|
||||
|
||||
/* Generate a compiler error if there is an old png.h in the search path. */
|
||||
typedef version_1_2_36beta01 your_png_h_is_not_version_1_2_36beta01;
|
||||
typedef version_1_2_36beta02 your_png_h_is_not_version_1_2_36beta02;
|
||||
|
||||
8
pngwio.c
8
pngwio.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngwio.c - functions for data output
|
||||
*
|
||||
* Last changed in libpng 1.2.36 [February 28, 2009]
|
||||
* Last changed in libpng 1.2.36 [March 21, 2009]
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998-2009 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -137,7 +137,6 @@ png_default_flush(png_structp png_ptr)
|
||||
if (png_ptr == NULL) return;
|
||||
#if !defined(_WIN32_WCE)
|
||||
io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
|
||||
if (io_ptr != NULL && png_fileno(io_ptr) != -1)
|
||||
fflush(io_ptr);
|
||||
#endif
|
||||
}
|
||||
@ -168,7 +167,10 @@ png_default_flush(png_structp png_ptr)
|
||||
PNG_WRITE_FLUSH_SUPPORTED is not defined at libpng compile
|
||||
time, output_flush_fn will be ignored, although it must be
|
||||
supplied for compatibility. May be NULL, in which case
|
||||
libpng's default function will be used. */
|
||||
libpng's default function will be used, if
|
||||
PNG_WRITE_FLUSH_SUPPORTED is defined. This is not
|
||||
a good idea if io_ptr does not point to a standard
|
||||
*FILE structure. */
|
||||
void PNGAPI
|
||||
png_set_write_fn(png_structp png_ptr, png_voidp io_ptr,
|
||||
png_rw_ptr write_data_fn, png_flush_ptr output_flush_fn)
|
||||
|
||||
@ -169,7 +169,7 @@ configure_file(${PNG_SOURCE_DIR}/scripts/libpng-config.in
|
||||
|
||||
# SET UP LINKS
|
||||
set_target_properties(${PNG_LIB_NAME} PROPERTIES
|
||||
# VERSION 0.${PNGLIB_RELEASE}.1.2.36beta01
|
||||
# VERSION 0.${PNGLIB_RELEASE}.1.2.36beta02
|
||||
VERSION 0.${PNGLIB_RELEASE}.0
|
||||
SOVERSION 0
|
||||
CLEAN_DIRECT_OUTPUT 1)
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
|
||||
# Modeled after libxml-config.
|
||||
|
||||
version=1.2.36beta01
|
||||
version=1.2.36beta02
|
||||
prefix=""
|
||||
libdir=""
|
||||
libs=""
|
||||
|
||||
@ -5,6 +5,6 @@ includedir=@includedir@/libpng12
|
||||
|
||||
Name: libpng
|
||||
Description: Loads and saves PNG files
|
||||
Version: 1.2.36beta01
|
||||
Version: 1.2.36beta02
|
||||
Libs: -L${libdir} -lpng12
|
||||
Cflags: -I${includedir}
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
# Library name:
|
||||
LIBNAME=libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
# Library name:
|
||||
LIBNAME=libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -20,7 +20,7 @@ LN_SF = ln -f -s
|
||||
|
||||
LIBNAME=libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
prefix=/usr/local
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
# Library name:
|
||||
LIBNAME=libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -74,7 +74,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 0
|
||||
CYGDLL = 12
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
SHAREDLIB=cygpng$(CYGDLL).dll
|
||||
|
||||
@ -19,7 +19,7 @@ ZLIBINC=../zlib
|
||||
# Library name:
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 12
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
|
||||
# Library name:
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
LIBNAME = libpng12
|
||||
|
||||
|
||||
@ -13,7 +13,7 @@
|
||||
# Library name:
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -14,7 +14,7 @@
|
||||
# Library name:
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
|
||||
# Library name:
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
# Library name:
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -18,7 +18,7 @@ ZLIBINC=/opt/zlib/include
|
||||
# Library name:
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -7,7 +7,7 @@
|
||||
# Library name:
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -74,7 +74,7 @@ CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 0
|
||||
MINGDLL = 12
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
SHAREDLIB=libpng$(MINGDLL).dll
|
||||
|
||||
@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng12
|
||||
|
||||
LIB= png12
|
||||
SHLIB_MAJOR= 0
|
||||
SHLIB_MINOR= 1.2.36beta01
|
||||
SHLIB_MINOR= 1.2.36beta02
|
||||
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
|
||||
|
||||
@ -14,7 +14,7 @@ INCSDIR=${LOCALBASE}/include/libpng
|
||||
|
||||
LIB= png
|
||||
SHLIB_MAJOR= 3
|
||||
SHLIB_MINOR= 1.2.36beta01
|
||||
SHLIB_MINOR= 1.2.36beta02
|
||||
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
|
||||
|
||||
@ -7,7 +7,7 @@
|
||||
# Library name:
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -8,7 +8,7 @@ LIBDIR= ${PREFIX}/lib
|
||||
MANDIR= ${PREFIX}/man/cat
|
||||
|
||||
SHLIB_MAJOR= 0
|
||||
SHLIB_MINOR= 1.2.36beta01
|
||||
SHLIB_MINOR= 1.2.36beta02
|
||||
|
||||
LIB= png
|
||||
SRCS= png.c pngerror.c pngget.c pngmem.c pngpread.c \
|
||||
|
||||
@ -9,7 +9,7 @@
|
||||
# Library name:
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -6,7 +6,7 @@
|
||||
# Library name:
|
||||
LIBNAME=libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -6,7 +6,7 @@
|
||||
# Library name:
|
||||
LIBNAME=libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
|
||||
# Library name:
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
LIBNAME = libpng12
|
||||
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
# Library name:
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -8,7 +8,7 @@
|
||||
# Library name:
|
||||
LIBNAME = libpng12
|
||||
PNGMAJ = 0
|
||||
PNGMIN = 1.2.36beta01
|
||||
PNGMIN = 1.2.36beta02
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# Shared library names:
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
; PNG.LIB module definition file for OS/2
|
||||
;----------------------------------------
|
||||
|
||||
; Version 1.2.36beta01
|
||||
; Version 1.2.36beta02
|
||||
|
||||
LIBRARY PNG
|
||||
DESCRIPTION "PNG image compression library for OS/2"
|
||||
|
||||
@ -5,7 +5,7 @@
|
||||
LIBRARY
|
||||
|
||||
EXPORTS
|
||||
;Version 1.2.36beta01
|
||||
;Version 1.2.36beta02
|
||||
png_build_grayscale_palette @1
|
||||
png_check_sig @2
|
||||
png_chunk_error @3
|
||||
|
||||
Reference in New Issue
Block a user