Imported from libpng-1.0.9beta6.tar
This commit is contained in:
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11
ANNOUNCE
11
ANNOUNCE
@ -1,5 +1,5 @@
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Libpng 1.0.9beta5 - December 15, 2000
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Libpng 1.0.9beta6 - December 18, 2000
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This is a public release of libpng, intended for use in production codes.
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@ -35,6 +35,15 @@ Changes since the last public release (1.0.8):
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Change png_chunk_warning to png_warning in png_check_keyword().
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Increased the first part of msg buffer from 16 to 18 in png_chunk_error().
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Added support for filter method 64 (for PNG datastreams embedded in MNG)
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Revised png_set_filter() to accept filter method 64 when appropriate.
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Added new PNG_HAVE_PNG_SIGNATURE bit to png_ptr->mode and use it to
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help prevent applications from using MNG features in PNG datastreams.
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Revised libpng.3/libpng.txt. Changed "filter type" to "filter method".
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Send comments/corrections/commendations to
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png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu
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Glenn R-P
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Send comments/corrections/commendations to
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png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu
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|
5
CHANGES
5
CHANGES
@ -857,6 +857,11 @@ version 1.0.9beta4 [December 1, 2000]
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Increased the first part of msg buffer from 16 to 18 in png_chunk_error().
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version 1.0.9beta5 [December 15, 2000]
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Added support for filter method 64 (for PNG datastreams embedded in MNG)
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version 1.0.9beta6 [December 18, 2000]
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Revised png_set_filter() to accept filter method 64 when appropriate.
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Added new PNG_HAVE_PNG_SIGNATURE bit to png_ptr->mode and use it to
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help prevent applications from using MNG features in PNG datastreams.
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Revised libpng.3/libpng.txt. Changed "filter type" to "filter method".
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Send comments/corrections/commendations to
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png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu
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|
12
INSTALL
12
INSTALL
@ -1,5 +1,5 @@
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Installing libpng version 1.0.9beta5 - December 15, 2000
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Installing libpng version 1.0.9beta6 - December 18, 2000
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Before installing libpng, you must first install zlib. zlib
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can usually be found wherever you got libpng. zlib can be
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@ -10,7 +10,7 @@ zlib.h and zconf.h include files that correspond to the
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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-1.0.9beta5" or "lpng109" and "zlib-1.1.3"
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might be called "libpng-1.0.9beta6" or "lpng109" and "zlib-1.1.3"
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or "zlib113") so that you have directories called "zlib" and "libpng".
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Your directory structure should look like this:
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@ -59,8 +59,8 @@ The files that are presently available in the scripts directory
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include
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makefile.std => Generic UNIX makefile (cc, creates static libpng.a)
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makefile.linux => Linux/ELF makefile (gcc, creates libpng.so.2.1.0.9beta5)
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makefile.gcmmx => Linux/ELF makefile (gcc, creates libpng.so.2.1.0.9beta5,
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makefile.linux => Linux/ELF makefile (gcc, creates libpng.so.2.1.0.9beta6)
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makefile.gcmmx => Linux/ELF makefile (gcc, creates libpng.so.2.1.0.9beta6,
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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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@ -75,9 +75,9 @@ include
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libpng.icc => Project file for IBM VisualAge/C++ version 4.0 or later
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makefile.macosx => MACOS X Makefile
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makefile.sgi => Silicon Graphics IRIX makefile (cc, creates static lib)
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makefile.sggcc => Silicon Graphics (gcc, creates libpng.so.2.1.0.9beta5)
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makefile.sggcc => Silicon Graphics (gcc, creates libpng.so.2.1.0.9beta6)
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makefile.sunos => Sun makefile
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makefile.solaris => Solaris 2.X makefile (gcc, creates libpng.so.2.1.0.9beta5)
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makefile.solaris => Solaris 2.X makefile (gcc, creates libpng.so.2.1.0.9beta6)
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makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
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makefile.mips => MIPS makefile
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makefile.acorn => Acorn makefile
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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 1.0.7, July 1, 2000, through 1.0.9beta5, December 15, 2000, are
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libpng versions 1.0.7, July 1, 2000, through 1.0.9beta6, December 18, 2000, are
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Copyright (c) 2000 Glenn Randers-Pehrson
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and are distributed according to the same disclaimer and license as libpng-1.0.6
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with the following individuals added to the list of Contributing Authors
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@ -99,4 +99,4 @@ certification mark of the Open Source Initiative.
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Glenn Randers-Pehrson
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randeg@alum.rpi.edu
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December 15, 2000
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December 18, 2000
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|
10
README
10
README
@ -1,4 +1,4 @@
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README for libpng 1.0.9beta5 - December 15, 2000 (shared library 2.1)
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README for libpng 1.0.9beta6 - December 18, 2000 (shared library 2.1)
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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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@ -182,9 +182,9 @@ 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.linux => Linux/ELF makefile
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(gcc, creates libpng.so.2.1.0.9beta5)
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(gcc, creates libpng.so.2.1.0.9beta6)
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makefile.gcmmx => Linux/ELF makefile (gcc, creates
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libpng.so.2.1.0.9beta5, uses assembler code
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libpng.so.2.1.0.9beta6, uses assembler code
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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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@ -199,10 +199,10 @@ Files in this distribution:
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libpng.icc => Project file, IBM VisualAge/C++ 4.0 or later
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makefile.macosx => MACOS X Makefile
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makefile.sgi => Silicon Graphics IRIX (cc, creates static lib)
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makefile.sggcc => Silicon Graphics (gcc, creates libpng.so.2.1.0.9beta5)
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makefile.sggcc => Silicon Graphics (gcc, creates libpng.so.2.1.0.9beta6)
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makefile.sunos => Sun makefile
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makefile.solaris => Solaris 2.X makefile
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(gcc, creates libpng.so.2.1.0.9beta5)
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(gcc, creates libpng.so.2.1.0.9beta6)
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makefile.sco => For SCO OSr5 ELF and Unixware 7 with Native cc
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makefile.mips => MIPS makefile
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makefile.acorn => Acorn makefile
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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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December 15, 2000
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December 18, 2000
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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 1.0.9beta5 are Y2K compliant. It is my belief that earlier
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upward through 1.0.9beta6 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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|
2
configure
vendored
2
configure
vendored
@ -1,5 +1,5 @@
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echo "
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There is no \"configure\" script for Libpng-1.0.9beta5. Instead, please
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There is no \"configure\" script for Libpng-1.0.9beta6. Instead, please
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copy the appropriate makefile for your system from the \"scripts\"
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directory. Read the INSTALL file for more details.
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"
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|
60
libpng.3
60
libpng.3
@ -1,6 +1,6 @@
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.TH LIBPNG 3 "December 15, 2000"
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.TH LIBPNG 3 "December 18, 2000"
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.SH NAME
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libpng \- Portable Network Graphics (PNG) Reference Library 1.0.9beta5
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libpng \- Portable Network Graphics (PNG) Reference Library 1.0.9beta6
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.SH SYNOPSIS
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\fI\fB
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@ -747,7 +747,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
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.SH LIBPNG.TXT
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libpng.txt - A description on how to use and modify libpng
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libpng version 1.0.9beta5 - December 15, 2000
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libpng version 1.0.9beta6 - December 18, 2000
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Updated and distributed by Glenn Randers-Pehrson
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<randeg@alum.rpi.edu>
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Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
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@ -1147,7 +1147,7 @@ in until png_read_end() has read the chunk data following the image.
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png_get_IHDR(png_ptr, info_ptr, &width, &height,
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&bit_depth, &color_type, &interlace_type,
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&compression_type, &filter_type);
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&compression_type, &filter_method);
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width - holds the width of the image
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in pixels (up to 2^31).
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@ -1175,15 +1175,18 @@ in until png_read_end() has read the chunk data following the image.
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PNG_COLOR_MASK_COLOR
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PNG_COLOR_MASK_ALPHA
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filter_type - (must be PNG_FILTER_TYPE_BASE
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for PNG 1.0)
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filter_method - (must be PNG_FILTER_TYPE_BASE
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for PNG 1.0, and can also be
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PNG_INTRAPIXEL_DIFFERENCING if
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the PNG datastream is embedded in
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a MNG-1.0 datastream)
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compression_type - (must be PNG_COMPRESSION_TYPE_BASE
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for PNG 1.0)
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interlace_type - (PNG_INTERLACE_NONE or
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PNG_INTERLACE_ADAM7)
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Any or all of interlace_type, compression_type, of
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filter_type can be NULL if you are not
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interested in their values.
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filter_method can be NULL if you are
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not interested in their values.
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channels = png_get_channels(png_ptr, info_ptr);
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channels - number of channels of info for the
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@ -1213,7 +1216,7 @@ in until png_read_end() has read the chunk data following the image.
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info_ptr);
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color_type = png_get_color_type(png_ptr,
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info_ptr);
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filter_type = png_get_filter_type(png_ptr,
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filter_method = png_get_filter_type(png_ptr,
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info_ptr);
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compression_type = png_get_compression_type(png_ptr,
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info_ptr);
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@ -2286,10 +2289,11 @@ maximum possible compression at the expense of slower writing. If you
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||||
have no special needs in this area, let the library do what it wants by
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not calling this function at all, as it has been tuned to deliver a good
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speed/compression ratio. The second parameter to png_set_filter() is
|
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the filter method, for which the only valid value is '0' (as of the
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July 1999 PNG specification, version 1.2). The third parameter is a
|
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flag that indicates which filter type(s) are to be tested for each
|
||||
scanline. See the PNG specification for details on the specific filter
|
||||
the filter method, for which the only valid values are 0 (as of the
|
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July 1999 PNG specification, version 1.2) or 64 (if you are writing
|
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a PNG datastream that is to be embedded in a MNG datastream). The third
|
||||
parameter is a flag that indicates which filter type(s) are to be tested
|
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for each scanline. See the PNG specification for details on the specific filter
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types.
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@ -2310,6 +2314,9 @@ it should start out with all of the filters (to ensure that the previous
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row of pixels will be stored in case it's needed later), and then add
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and remove them after the start of compression.
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If you are writing a PNG datastream that is to be embedded in a MNG
|
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datastream, the second parameter can be either 0 or 64.
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The png_set_compression_*() functions interface to the zlib compression
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library, and should mostly be ignored unless you really know what you are
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doing. The only generally useful call is png_set_compression_level()
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@ -2348,7 +2355,7 @@ Some of the more important parts of the png_info are:
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png_set_IHDR(png_ptr, info_ptr, width, height,
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bit_depth, color_type, interlace_type,
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compression_type, filter_type)
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compression_type, filter_method)
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width - holds the width of the image
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in pixels (up to 2^31).
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height - holds the height of the image
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@ -2380,7 +2387,11 @@ Some of the more important parts of the png_info are:
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PNG_INTERLACE_ADAM7
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compression_type - (must be
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PNG_COMPRESSION_TYPE_DEFAULT)
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filter_type - (must be PNG_FILTER_TYPE_DEFAULT)
|
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filter_method - (must be PNG_FILTER_TYPE_DEFAULT
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or, if you are writing a PNG to
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be embedded in a MNG datastream,
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can also be
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PNG_INTRAPIXEL_DIFFERENCING)
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png_set_PLTE(png_ptr, info_ptr, palette,
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num_palette);
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@ -3217,6 +3228,10 @@ structures appropriately for all of the filter types.
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png_set_filter(png_ptr, PNG_FILTER_TYPE_BASE,
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filters);
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The second parameter can also be PNG_INTRAPIXEL_DIFFERENCING
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if you are writing a PNG to be embedded in a MNG
|
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datastream. This parameter must be the same as the
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value of filter_method used in png_set_IHDR().
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It is also possible to influence how libpng chooses from among the
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available filters. This is done in two ways - by telling it how
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@ -3345,6 +3360,11 @@ png_permit_mng_features() function:
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your mask with the set of MNG features that is
|
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supported by the version of libpng that you are using.
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It is an error to use this function when reading or writing a standalone
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PNG file with the PNG 8-byte signature. The PNG datastream must be wrapped
|
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in a MNG datastream (as a minimum, it must have the MNG 8-byte signature
|
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and the MHDR and MEND chunks).
|
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.SH VII. Changes to Libpng from version 0.88
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It should be noted that versions of libpng later than 0.96 are not
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@ -3396,13 +3416,13 @@ application:
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.SH VIII. Y2K Compliance in libpng
|
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December 15, 2000
|
||||
December 18, 2000
|
||||
|
||||
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 1.0.9beta5 are Y2K compliant. It is my belief that earlier
|
||||
upward through 1.0.9beta6 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
|
||||
@ -3543,7 +3563,7 @@ possible without all of you.
|
||||
|
||||
Thanks to Frank J. T. Wojcik for helping with the documentation.
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|
||||
Libpng version 1.0.9beta5 - December 15, 2000:
|
||||
Libpng version 1.0.9beta6 - December 18, 2000:
|
||||
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
|
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Currently maintained by Glenn Randers-Pehrson (randeg@alum.rpi.edu).
|
||||
|
||||
@ -3560,7 +3580,7 @@ included in the libpng distribution, the latter shall prevail.)
|
||||
If you modify libpng you may insert additional notices immediately following
|
||||
this sentence.
|
||||
|
||||
libpng versions 1.0.7, July 1, 2000, through 1.0.9beta5, December 15, 2000, are
|
||||
libpng versions 1.0.7, July 1, 2000, through 1.0.9beta6, December 18, 2000, are
|
||||
Copyright (c) 2000 Glenn Randers-Pehrson, and are
|
||||
distributed according to the same disclaimer and license as libpng-1.0.6
|
||||
with the following individuals added to the list of Contributing Authors
|
||||
@ -3651,7 +3671,7 @@ certification mark of the Open Source Initiative.
|
||||
|
||||
Glenn Randers-Pehrson
|
||||
randeg@alum.rpi.edu
|
||||
December 15, 2000
|
||||
December 18, 2000
|
||||
|
||||
.\" end of man page
|
||||
|
||||
|
50
libpng.txt
50
libpng.txt
@ -1,6 +1,6 @@
|
||||
libpng.txt - A description on how to use and modify libpng
|
||||
|
||||
libpng version 1.0.9beta5 - December 15, 2000
|
||||
libpng version 1.0.9beta6 - December 18, 2000
|
||||
Updated and distributed by Glenn Randers-Pehrson
|
||||
<randeg@alum.rpi.edu>
|
||||
Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
@ -400,7 +400,7 @@ in until png_read_end() has read the chunk data following the image.
|
||||
|
||||
png_get_IHDR(png_ptr, info_ptr, &width, &height,
|
||||
&bit_depth, &color_type, &interlace_type,
|
||||
&compression_type, &filter_type);
|
||||
&compression_type, &filter_method);
|
||||
|
||||
width - holds the width of the image
|
||||
in pixels (up to 2^31).
|
||||
@ -428,15 +428,18 @@ in until png_read_end() has read the chunk data following the image.
|
||||
PNG_COLOR_MASK_COLOR
|
||||
PNG_COLOR_MASK_ALPHA
|
||||
|
||||
filter_type - (must be PNG_FILTER_TYPE_BASE
|
||||
for PNG 1.0)
|
||||
filter_method - (must be PNG_FILTER_TYPE_BASE
|
||||
for PNG 1.0, and can also be
|
||||
PNG_INTRAPIXEL_DIFFERENCING if
|
||||
the PNG datastream is embedded in
|
||||
a MNG-1.0 datastream)
|
||||
compression_type - (must be PNG_COMPRESSION_TYPE_BASE
|
||||
for PNG 1.0)
|
||||
interlace_type - (PNG_INTERLACE_NONE or
|
||||
PNG_INTERLACE_ADAM7)
|
||||
Any or all of interlace_type, compression_type, of
|
||||
filter_type can be NULL if you are not
|
||||
interested in their values.
|
||||
filter_method can be NULL if you are
|
||||
not interested in their values.
|
||||
|
||||
channels = png_get_channels(png_ptr, info_ptr);
|
||||
channels - number of channels of info for the
|
||||
@ -466,7 +469,7 @@ in until png_read_end() has read the chunk data following the image.
|
||||
info_ptr);
|
||||
color_type = png_get_color_type(png_ptr,
|
||||
info_ptr);
|
||||
filter_type = png_get_filter_type(png_ptr,
|
||||
filter_method = png_get_filter_type(png_ptr,
|
||||
info_ptr);
|
||||
compression_type = png_get_compression_type(png_ptr,
|
||||
info_ptr);
|
||||
@ -1539,10 +1542,11 @@ maximum possible compression at the expense of slower writing. If you
|
||||
have no special needs in this area, let the library do what it wants by
|
||||
not calling this function at all, as it has been tuned to deliver a good
|
||||
speed/compression ratio. The second parameter to png_set_filter() is
|
||||
the filter method, for which the only valid value is '0' (as of the
|
||||
July 1999 PNG specification, version 1.2). The third parameter is a
|
||||
flag that indicates which filter type(s) are to be tested for each
|
||||
scanline. See the PNG specification for details on the specific filter
|
||||
the filter method, for which the only valid values are 0 (as of the
|
||||
July 1999 PNG specification, version 1.2) or 64 (if you are writing
|
||||
a PNG datastream that is to be embedded in a MNG datastream). The third
|
||||
parameter is a flag that indicates which filter type(s) are to be tested
|
||||
for each scanline. See the PNG specification for details on the specific filter
|
||||
types.
|
||||
|
||||
|
||||
@ -1563,6 +1567,9 @@ it should start out with all of the filters (to ensure that the previous
|
||||
row of pixels will be stored in case it's needed later), and then add
|
||||
and remove them after the start of compression.
|
||||
|
||||
If you are writing a PNG datastream that is to be embedded in a MNG
|
||||
datastream, the second parameter can be either 0 or 64.
|
||||
|
||||
The png_set_compression_*() functions interface to the zlib compression
|
||||
library, and should mostly be ignored unless you really know what you are
|
||||
doing. The only generally useful call is png_set_compression_level()
|
||||
@ -1601,7 +1608,7 @@ Some of the more important parts of the png_info are:
|
||||
|
||||
png_set_IHDR(png_ptr, info_ptr, width, height,
|
||||
bit_depth, color_type, interlace_type,
|
||||
compression_type, filter_type)
|
||||
compression_type, filter_method)
|
||||
width - holds the width of the image
|
||||
in pixels (up to 2^31).
|
||||
height - holds the height of the image
|
||||
@ -1633,7 +1640,11 @@ Some of the more important parts of the png_info are:
|
||||
PNG_INTERLACE_ADAM7
|
||||
compression_type - (must be
|
||||
PNG_COMPRESSION_TYPE_DEFAULT)
|
||||
filter_type - (must be PNG_FILTER_TYPE_DEFAULT)
|
||||
filter_method - (must be PNG_FILTER_TYPE_DEFAULT
|
||||
or, if you are writing a PNG to
|
||||
be embedded in a MNG datastream,
|
||||
can also be
|
||||
PNG_INTRAPIXEL_DIFFERENCING)
|
||||
|
||||
png_set_PLTE(png_ptr, info_ptr, palette,
|
||||
num_palette);
|
||||
@ -2470,6 +2481,10 @@ structures appropriately for all of the filter types.
|
||||
|
||||
png_set_filter(png_ptr, PNG_FILTER_TYPE_BASE,
|
||||
filters);
|
||||
The second parameter can also be PNG_INTRAPIXEL_DIFFERENCING
|
||||
if you are writing a PNG to be embedded in a MNG
|
||||
datastream. This parameter must be the same as the
|
||||
value of filter_method used in png_set_IHDR().
|
||||
|
||||
It is also possible to influence how libpng chooses from among the
|
||||
available filters. This is done in two ways - by telling it how
|
||||
@ -2598,6 +2613,11 @@ png_permit_mng_features() function:
|
||||
your mask with the set of MNG features that is
|
||||
supported by the version of libpng that you are using.
|
||||
|
||||
It is an error to use this function when reading or writing a standalone
|
||||
PNG file with the PNG 8-byte signature. The PNG datastream must be wrapped
|
||||
in a MNG datastream (as a minimum, it must have the MNG 8-byte signature
|
||||
and the MHDR and MEND chunks).
|
||||
|
||||
VII. Changes to Libpng from version 0.88
|
||||
|
||||
It should be noted that versions of libpng later than 0.96 are not
|
||||
@ -2649,13 +2669,13 @@ application:
|
||||
|
||||
VIII. Y2K Compliance in libpng
|
||||
|
||||
December 15, 2000
|
||||
December 18, 2000
|
||||
|
||||
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 1.0.9beta5 are Y2K compliant. It is my belief that earlier
|
||||
upward through 1.0.9beta6 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
|
||||
|
@ -1,6 +1,6 @@
|
||||
.TH LIBPNGPF 3 "December 15, 2000"
|
||||
.TH LIBPNGPF 3 "December 18, 2000"
|
||||
.SH NAME
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.0.9beta5
|
||||
libpng \- Portable Network Graphics (PNG) Reference Library 1.0.9beta6
|
||||
(private functions)
|
||||
.SH SYNOPSIS
|
||||
\fB#include <png.h>\fP
|
||||
|
2
png.5
2
png.5
@ -1,4 +1,4 @@
|
||||
.TH PNG 5 "December 15, 2000"
|
||||
.TH PNG 5 "December 18, 2000"
|
||||
.SH NAME
|
||||
png \- Portable Network Graphics (PNG) format
|
||||
.SH DESCRIPTION
|
||||
|
12
png.c
12
png.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* png.c - location for general purpose libpng functions
|
||||
*
|
||||
* libpng version 1.0.9beta5 - December 15, 2000
|
||||
* libpng version 1.0.9beta6 - December 18, 2000
|
||||
* Copyright (c) 1998, 1999, 2000 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.)
|
||||
@ -13,14 +13,14 @@
|
||||
#include "png.h"
|
||||
|
||||
/* Generate a compiler error if there is an old png.h in the search path. */
|
||||
typedef version_1_0_9beta5 Your_png_h_is_not_version_1_0_9beta5;
|
||||
typedef version_1_0_9beta6 Your_png_h_is_not_version_1_0_9beta6;
|
||||
|
||||
/* Version information for C files. This had better match the version
|
||||
* string defined in png.h. */
|
||||
|
||||
#ifdef PNG_USE_GLOBAL_ARRAYS
|
||||
/* png_libpng_ver was changed to a function in version 1.0.5c */
|
||||
const char png_libpng_ver[18] = "1.0.9beta5";
|
||||
const char png_libpng_ver[18] = "1.0.9beta6";
|
||||
|
||||
/* png_sig was changed to a function in version 1.0.5c */
|
||||
/* Place to hold the signature string for a PNG file. */
|
||||
@ -626,7 +626,7 @@ png_charp PNGAPI
|
||||
png_get_copyright(png_structp png_ptr)
|
||||
{
|
||||
if (png_ptr != NULL || png_ptr == NULL) /* silence compiler warning */
|
||||
return ((png_charp) "\n libpng version 1.0.9beta5 - December 15, 2000\n\
|
||||
return ((png_charp) "\n libpng version 1.0.9beta6 - December 18, 2000\n\
|
||||
Copyright (c) 1998-2000 Glenn Randers-Pehrson\n\
|
||||
Copyright (c) 1996, 1997 Andreas Dilger\n\
|
||||
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.\n");
|
||||
@ -644,8 +644,8 @@ png_get_libpng_ver(png_structp png_ptr)
|
||||
{
|
||||
/* Version of *.c files used when building libpng */
|
||||
if(png_ptr != NULL) /* silence compiler warning about unused png_ptr */
|
||||
return((png_charp) "1.0.9beta5");
|
||||
return((png_charp) "1.0.9beta5");
|
||||
return((png_charp) "1.0.9beta6");
|
||||
return((png_charp) "1.0.9beta6");
|
||||
}
|
||||
|
||||
png_charp PNGAPI
|
||||
|
26
png.h
26
png.h
@ -1,7 +1,7 @@
|
||||
|
||||
/* png.h - header file for PNG reference library
|
||||
*
|
||||
* libpng version 1.0.9beta5 - December 15, 2000
|
||||
* libpng version 1.0.9beta6 - December 18, 2000
|
||||
* Copyright (c) 1998, 1999, 2000 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 1.0.9beta5 - December 15, 2000: Glenn
|
||||
* libpng versions 0.97, January 1998, through 1.0.9beta6 - December 18, 2000: Glenn
|
||||
* See also "Contributing Authors", below.
|
||||
*
|
||||
* Note about libpng version numbers:
|
||||
@ -58,7 +58,7 @@
|
||||
* 1.0.8beta1-4 10008 2.1.0.8beta1-4
|
||||
* 1.0.8rc1 10008 2.1.0.8rc1
|
||||
* 1.0.8 10008 2.1.0.8
|
||||
* 1.0.9beta1-5 10009 2.1.0.9beta1-5
|
||||
* 1.0.9beta1-6 10009 2.1.0.9beta1-6
|
||||
*
|
||||
* Henceforth the source version will match the shared-library major
|
||||
* and minor numbers; the shared-library major version number will be
|
||||
@ -85,7 +85,7 @@
|
||||
* If you modify libpng you may insert additional notices immediately following
|
||||
* this sentence.
|
||||
*
|
||||
* libpng versions 1.0.7, July 1, 2000, through 1.0.9beta5, December 15, 2000, are
|
||||
* libpng versions 1.0.7, July 1, 2000, through 1.0.9beta6, December 18, 2000, are
|
||||
* Copyright (c) 2000 Glenn Randers-Pehrson, and are
|
||||
* distributed according to the same disclaimer and license as libpng-1.0.6
|
||||
* with the following individuals added to the list of Contributing Authors
|
||||
@ -190,13 +190,13 @@
|
||||
* Y2K compliance in libpng:
|
||||
* =========================
|
||||
*
|
||||
* December 15, 2000
|
||||
* December 18, 2000
|
||||
*
|
||||
* 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 1.0.9beta5 are Y2K compliant. It is my belief that earlier
|
||||
* upward through 1.0.9beta6 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
|
||||
@ -252,7 +252,7 @@
|
||||
*/
|
||||
|
||||
/* Version information for png.h - this should match the version in png.c */
|
||||
#define PNG_LIBPNG_VER_STRING "1.0.9beta5"
|
||||
#define PNG_LIBPNG_VER_STRING "1.0.9beta6"
|
||||
|
||||
#define PNG_LIBPNG_VER_SONUM 2
|
||||
|
||||
@ -263,7 +263,7 @@
|
||||
/* This should match the numeric part of the final component of
|
||||
* PNG_LIBPNG_VER_STRING, omitting any leading zero: */
|
||||
|
||||
#define PNG_LIBPNG_VER_BUILD 5
|
||||
#define PNG_LIBPNG_VER_BUILD 6
|
||||
|
||||
#define PNG_LIBPNG_BUILD_ALPHA 1
|
||||
#define PNG_LIBPNG_BUILD_BETA 2
|
||||
@ -920,9 +920,8 @@ typedef void (PNGAPI *png_unknown_chunk_ptr) PNGARG((png_structp));
|
||||
|
||||
/* Flags for MNG supported features */
|
||||
#define PNG_FLAG_MNG_EMPTY_PLTE 0x01
|
||||
#define PNG_MODE_EMBEDDED_IN_MNG 0x02
|
||||
#define PNG_FLAG_MNG_FILTER_64 0x04
|
||||
#define PNG_ALL_MNG_FEATURES 0x07
|
||||
#define PNG_ALL_MNG_FEATURES 0x05
|
||||
|
||||
typedef png_voidp (*png_malloc_ptr) PNGARG((png_structp, png_size_t));
|
||||
typedef void (*png_free_ptr) PNGARG((png_structp, png_voidp));
|
||||
@ -1173,9 +1172,9 @@ struct png_struct_def
|
||||
};
|
||||
|
||||
/* This prevents a compiler error in png_get_copyright() in png.c if png.c
|
||||
and png.h are both at * version 1.0.9beta5
|
||||
and png.h are both at * version 1.0.9beta6
|
||||
*/
|
||||
typedef png_structp version_1_0_9beta5;
|
||||
typedef png_structp version_1_0_9beta6;
|
||||
|
||||
typedef png_struct FAR * FAR * png_structpp;
|
||||
|
||||
@ -2216,7 +2215,7 @@ extern PNG_EXPORT(png_uint_32,png_permit_mng_features) PNGARG((png_structp
|
||||
#endif
|
||||
|
||||
#define PNG_HEADER_VERSION_STRING \
|
||||
" libpng version 1.0.9beta5 - December 15, 2000 (header)\n"
|
||||
" libpng version 1.0.9beta6 - December 18, 2000 (header)\n"
|
||||
|
||||
#ifdef PNG_READ_COMPOSITE_NODIV_SUPPORTED
|
||||
/* With these routines we avoid an integer divide, which will be slower on
|
||||
@ -2282,6 +2281,7 @@ extern PNG_EXPORT(png_uint_32,png_permit_mng_features) PNGARG((png_structp
|
||||
#define PNG_WROTE_tIME 0x200
|
||||
#define PNG_WROTE_INFO_BEFORE_PLTE 0x400
|
||||
#define PNG_BACKGROUND_IS_GRAY 0x800
|
||||
#define PNG_HAVE_PNG_SIGNATURE 0x1000
|
||||
|
||||
/* flags for the transformations the PNG library does on the image data */
|
||||
#define PNG_BGR 0x0001
|
||||
|
@ -1,6 +1,6 @@
|
||||
/* pngasmrd.h - assembler version of utilities to read a PNG file
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1999, 2000 Glenn Randers-Pehrson
|
||||
*
|
||||
|
@ -1,6 +1,6 @@
|
||||
/* pngconf.h - machine configurable file for libpng
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -491,9 +491,12 @@
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Disable if you don't need to support PNGs that are embedded in MNG
|
||||
datastreams */
|
||||
#ifndef PNG_NO_MNG_FEATURES
|
||||
#define PNG_MNG_FEATURES_SUPPORTED /* Useful for MNG applications */
|
||||
#define PNG_MNG_FEATURES_SUPPORTED
|
||||
#endif
|
||||
|
||||
/* Deprecated, will be removed */
|
||||
#ifndef PNG_NO_READ_EMPTY_PLTE
|
||||
#define PNG_READ_EMPTY_PLTE_SUPPORTED
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngerror.c - stub functions for i/o and memory allocation
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
@ -6,7 +6,7 @@
|
||||
* and http://www.intel.com/drg/pentiumII/appnotes/923/923.htm
|
||||
* for Intel's performance analysis of the MMX vs. non-MMX code.
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998, Intel Corporation
|
||||
|
2
pngget.c
2
pngget.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngget.c - retrieval of values from info struct
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
2
pngmem.c
2
pngmem.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngmem.c - stub functions for memory allocation
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngpread.c - read a png file in push mode
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngread.c - read a PNG file
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -246,6 +246,8 @@ png_read_info(png_structp png_ptr, png_infop info_ptr)
|
||||
else
|
||||
png_error(png_ptr, "PNG file corrupted by ASCII conversion");
|
||||
}
|
||||
if (num_checked < 3)
|
||||
png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE;
|
||||
}
|
||||
|
||||
for(;;)
|
||||
@ -710,7 +712,7 @@ png_read_row(png_structp png_ptr, png_bytep row, png_bytep dsp_row)
|
||||
* not called png_set_interlace_handling(), the display_row buffer will
|
||||
* be ignored, so pass NULL to it.
|
||||
*
|
||||
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.9beta5
|
||||
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.9beta6
|
||||
*/
|
||||
|
||||
void PNGAPI
|
||||
@ -759,7 +761,7 @@ png_read_rows(png_structp png_ptr, png_bytepp row,
|
||||
* only call this function once. If you desire to have an image for
|
||||
* each pass of a interlaced image, use png_read_rows() instead.
|
||||
*
|
||||
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.9beta5
|
||||
* [*] png_handle_alpha() does not exist yet, as of libpng version 1.0.9beta6
|
||||
*/
|
||||
void PNGAPI
|
||||
png_read_image(png_structp png_ptr, png_bytepp image)
|
||||
|
2
pngrio.c
2
pngrio.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngrio.c - functions for data input
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngrtran.c - transforms the data in a row for PNG readers
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
26
pngrutil.c
26
pngrutil.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngrutil.c - utilities to read a PNG file
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -353,15 +353,31 @@ png_handle_IHDR(png_structp png_ptr, png_infop info_ptr, png_uint_32 length)
|
||||
if (compression_type != PNG_COMPRESSION_TYPE_BASE)
|
||||
png_error(png_ptr, "Unknown compression method in IHDR");
|
||||
|
||||
if(
|
||||
#if defined(PNG_MNG_FEATURES_SUPPORTED)
|
||||
!((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
|
||||
/* Accept filter_method 64 (intrapixel differencing) only if
|
||||
* 1. Libpng was compiled with PNG_MNG_FEATURES_SUPPORTED and
|
||||
* 2. Libpng did not read a PNG signature (this filter_method is only
|
||||
* used in PNG datastreams that are embedded in MNG datastreams) and
|
||||
* 3. The application called png_permit_mng_features with a mask that
|
||||
* included PNG_FLAG_MNG_FILTER_64 and
|
||||
* 4. The filter_method is 64 and
|
||||
* 5. The color_type is RGB or RGBA
|
||||
*/
|
||||
if((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&png_ptr->mng_features_permitted)
|
||||
png_warning(png_ptr,"MNG features are not allowed in a PNG datastream\n");
|
||||
if(!((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
|
||||
(filter_type == PNG_INTRAPIXEL_DIFFERENCING) &&
|
||||
((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) == 0) &&
|
||||
(color_type == PNG_COLOR_TYPE_RGB ||
|
||||
color_type == PNG_COLOR_TYPE_RGB_ALPHA)) &&
|
||||
#endif
|
||||
filter_type != PNG_FILTER_TYPE_BASE)
|
||||
filter_type != PNG_FILTER_TYPE_BASE)
|
||||
png_error(png_ptr, "Unknown filter method in IHDR");
|
||||
if(filter_type != PNG_FILTER_TYPE_BASE)
|
||||
png_warning(png_ptr, "Invalid filter method in IHDR");
|
||||
#else
|
||||
if(filter_type != PNG_FILTER_TYPE_BASE)
|
||||
png_error(png_ptr, "Unknown filter method in IHDR");
|
||||
#endif
|
||||
|
||||
/* set internal variables */
|
||||
png_ptr->width = width;
|
||||
|
2
pngset.c
2
pngset.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngset.c - storage of image information into info struct
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngtest.c - a simple test program to test libpng
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -1449,4 +1449,4 @@ main(int argc, char *argv[])
|
||||
}
|
||||
|
||||
/* Generate a compiler error if there is an old png.h in the search path. */
|
||||
typedef version_1_0_9beta5 your_png_h_is_not_version_1_0_9beta5;
|
||||
typedef version_1_0_9beta6 your_png_h_is_not_version_1_0_9beta6;
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
@ -2,7 +2,7 @@
|
||||
*
|
||||
* For Intel x86 CPU and Microsoft Visual C++ compiler
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* Copyright (c) 1998, Intel Corporation
|
||||
|
2
pngwio.c
2
pngwio.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngwio.c - functions for data output
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
23
pngwrite.c
23
pngwrite.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngwrite.c - general routines to write a PNG file
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -28,6 +28,13 @@ png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr)
|
||||
if (!(png_ptr->mode & PNG_WROTE_INFO_BEFORE_PLTE))
|
||||
{
|
||||
png_write_sig(png_ptr); /* write PNG signature */
|
||||
#if defined(PNG_MNG_FEATURES_SUPPORTED)
|
||||
if((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE)&&(png_ptr->mng_features_permitted))
|
||||
{
|
||||
png_warning(png_ptr,"MNG features are not allowed in a PNG datastream\n");
|
||||
png_ptr->mng_features_permitted=0;
|
||||
}
|
||||
#endif
|
||||
/* write IHDR information. */
|
||||
png_write_IHDR(png_ptr, info_ptr->width, info_ptr->height,
|
||||
info_ptr->bit_depth, info_ptr->color_type, info_ptr->compression_type,
|
||||
@ -774,6 +781,15 @@ png_write_row(png_structp png_ptr, png_bytep row)
|
||||
png_do_write_transformations(png_ptr);
|
||||
|
||||
#if defined(PNG_MNG_FEATURES_SUPPORTED)
|
||||
/* Write filter_method 64 (intrapixel differencing) only if
|
||||
* 1. Libpng was compiled with PNG_MNG_FEATURES_SUPPORTED and
|
||||
* 2. Libpng did not write a PNG signature (this filter_method is only
|
||||
* used in PNG datastreams that are embedded in MNG datastreams) and
|
||||
* 3. The application called png_permit_mng_features with a mask that
|
||||
* included PNG_FLAG_MNG_FILTER_64 and
|
||||
* 4. The filter_method is 64 and
|
||||
* 5. The color_type is RGB or RGBA
|
||||
*/
|
||||
if((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
|
||||
(png_ptr->filter_type == PNG_INTRAPIXEL_DIFFERENCING))
|
||||
{
|
||||
@ -977,6 +993,11 @@ void PNGAPI
|
||||
png_set_filter(png_structp png_ptr, int method, int filters)
|
||||
{
|
||||
png_debug(1, "in png_set_filter\n");
|
||||
#if defined(PNG_MNG_FEATURES_SUPPORTED)
|
||||
if((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
|
||||
(method == PNG_INTRAPIXEL_DIFFERENCING))
|
||||
method = PNG_FILTER_TYPE_BASE;
|
||||
#endif
|
||||
if (method == PNG_FILTER_TYPE_BASE)
|
||||
{
|
||||
switch (filters & (PNG_ALL_FILTERS | 0x07))
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngwtran.c - transforms the data in a row for PNG writers
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
16
pngwutil.c
16
pngwutil.c
@ -1,7 +1,7 @@
|
||||
|
||||
/* pngwutil.c - utilities to write a PNG file
|
||||
*
|
||||
* libpng 1.0.9beta5 - December 15, 2000
|
||||
* libpng 1.0.9beta6 - December 18, 2000
|
||||
* For conditions of distribution and use, see copyright notice in png.h
|
||||
* Copyright (c) 1998, 1999, 2000 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
@ -131,6 +131,8 @@ png_write_sig(png_structp png_ptr)
|
||||
/* write the rest of the 8 byte signature */
|
||||
png_write_data(png_ptr, &png_signature[png_ptr->sig_bytes],
|
||||
(png_size_t)8 - png_ptr->sig_bytes);
|
||||
if(png_ptr->sig_bytes < 3)
|
||||
png_ptr->mode |= PNG_HAVE_PNG_SIGNATURE;
|
||||
}
|
||||
|
||||
#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_iCCP_SUPPORTED)
|
||||
@ -419,9 +421,21 @@ png_write_IHDR(png_structp png_ptr, png_uint_32 width, png_uint_32 height,
|
||||
compression_type = PNG_COMPRESSION_TYPE_BASE;
|
||||
}
|
||||
|
||||
/* Write filter_method 64 (intrapixel differencing) only if
|
||||
* 1. Libpng was compiled with PNG_MNG_FEATURES_SUPPORTED and
|
||||
* 2. Libpng did not write a PNG signature (this filter_method is only
|
||||
* used in PNG datastreams that are embedded in MNG datastreams) and
|
||||
* 3. The application called png_permit_mng_features with a mask that
|
||||
* included PNG_FLAG_MNG_FILTER_64 and
|
||||
* 4. The filter_method is 64 and
|
||||
* 5. The color_type is RGB or RGBA
|
||||
*/
|
||||
if (
|
||||
#if defined(PNG_MNG_FEATURES_SUPPORTED)
|
||||
!((png_ptr->mng_features_permitted & PNG_FLAG_MNG_FILTER_64) &&
|
||||
((png_ptr->mode&PNG_HAVE_PNG_SIGNATURE) == 0) &&
|
||||
(color_type == PNG_COLOR_TYPE_RGB ||
|
||||
color_type == PNG_COLOR_TYPE_RGB_ALPHA) &&
|
||||
(filter_type == PNG_INTRAPIXEL_DIFFERENCING)) &&
|
||||
#endif
|
||||
filter_type != PNG_FILTER_TYPE_BASE)
|
||||
|
@ -1,5 +1,5 @@
|
||||
Microsoft Developer Studio Build File, Format Version 6.00 for
|
||||
libpng 1.0.9beta5 (December 15, 2000) and zlib
|
||||
libpng 1.0.9beta6 (December 18, 2000) and zlib
|
||||
|
||||
Copyright (C) 2000 Simon-Pierre Cadieux
|
||||
For conditions of distribution and use, see copyright notice in png.h
|
||||
|
@ -6,7 +6,7 @@ LIBRARY
|
||||
DESCRIPTION "PNG image compression library for Windows"
|
||||
|
||||
EXPORTS
|
||||
;Version 1.0.9beta5
|
||||
;Version 1.0.9beta6
|
||||
png_build_grayscale_palette @1
|
||||
png_check_sig @2
|
||||
png_chunk_error @3
|
||||
|
@ -8,9 +8,9 @@ libpng for WindowsCE Rel.1.0
|
||||
|
||||
Introduction
|
||||
============
|
||||
This is libpng 1.0.9beta5 ported to WindowsCE 2.0 and 2.11.
|
||||
libpng 1.0.9beta5 is a PNG reference library.
|
||||
See README, a document of original libpng 1.0.9beta5.
|
||||
This is libpng 1.0.9beta6 ported to WindowsCE 2.0 and 2.11.
|
||||
libpng 1.0.9beta6 is a PNG reference library.
|
||||
See README, a document of original libpng 1.0.9beta6.
|
||||
|
||||
zlib for WindowsCE
|
||||
==================
|
||||
@ -23,7 +23,7 @@ This software is provided 'as-is', without any express or implied
|
||||
warranty. In no event will the authors be held liable for any damages
|
||||
arising from the use of this software.
|
||||
|
||||
See README and LICENSE, documents of original libpng 1.0.9beta5, for conditions
|
||||
See README and LICENSE, documents of original libpng 1.0.9beta6, for conditions
|
||||
of use and distribution.
|
||||
|
||||
Files
|
||||
|
@ -24,7 +24,7 @@ libpng
|
||||
になったいかなる被害についても、作者、配布者、その他利用者以外の人物、
|
||||
団体に責任をとる義務はないものとします。
|
||||
|
||||
その他、このソフトウェアの利用条件については、原版である libpng 1.0.9beta5に
|
||||
その他、このソフトウェアの利用条件については、原版である libpng 1.0.9beta6に
|
||||
準拠するものとします。詳しくは、付属の README,LICENSE をお読みください。
|
||||
|
||||
収録内容
|
||||
|
@ -5,7 +5,7 @@
|
||||
LIBRARY lpngce
|
||||
|
||||
EXPORTS
|
||||
;Version 1.0.9beta5
|
||||
;Version 1.0.9beta6
|
||||
png_build_grayscale_palette @1
|
||||
png_check_sig @2
|
||||
png_chunk_error @3
|
||||
|
@ -18,7 +18,7 @@ RM = rm -f
|
||||
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
|
||||
# have to change it.
|
||||
PNGMAJ = 2
|
||||
PNGMIN = 1.0.9beta5
|
||||
PNGMIN = 1.0.9beta6
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
prefix=/usr/local
|
||||
|
@ -31,7 +31,7 @@ RANLIB=ranlib
|
||||
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
|
||||
# have to change it.
|
||||
PNGMAJ = 2
|
||||
PNGMIN = 1.0.9beta5
|
||||
PNGMIN = 1.0.9beta6
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# where make install puts libpng.a, libpng.so*, and png.h
|
||||
|
@ -38,7 +38,7 @@ CFLAGS=-I$(ZLIBINC) -Wall -O3 $(ALIGN) -funroll-loops \
|
||||
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
|
||||
# have to change it.
|
||||
PNGMAJ = 2
|
||||
PNGMIN = 1.0.9beta5
|
||||
PNGMIN = 1.0.9beta6
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
SHAREDLIB=cygpng$(PNGMAJ).dll
|
||||
|
@ -17,7 +17,7 @@ ZLIBINC=../zlib
|
||||
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
|
||||
# have to change it.
|
||||
PNGMAJ = 2
|
||||
PNGMIN = 1.0.9beta5
|
||||
PNGMIN = 1.0.9beta6
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
CC=cc
|
||||
|
@ -37,7 +37,7 @@ RANLIB=ranlib
|
||||
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
|
||||
# have to change it.
|
||||
PNGMAJ = 2
|
||||
PNGMIN = 1.0.9beta5
|
||||
PNGMIN = 1.0.9beta6
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
INCPATH=$(prefix)/include
|
||||
|
@ -18,7 +18,7 @@ RANLIB=ranlib
|
||||
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
|
||||
# have to change it.
|
||||
PNGMAJ = 2
|
||||
PNGMIN = 1.0.9beta5
|
||||
PNGMIN = 1.0.9beta6
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
# where make install puts libpng.a and png.h
|
||||
|
@ -34,7 +34,7 @@ RANLIB=ranlib
|
||||
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
|
||||
# have to change it.
|
||||
PNGMAJ = 2
|
||||
PNGMIN = 1.0.9beta5
|
||||
PNGMIN = 1.0.9beta6
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
INCPATH=$(prefix)/include
|
||||
|
@ -25,7 +25,7 @@ RANLIB=echo
|
||||
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
|
||||
# have to change it.
|
||||
PNGMAJ = 2
|
||||
PNGMIN = 1.0.9beta5
|
||||
PNGMIN = 1.0.9beta6
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
INCPATH=$(prefix)/include
|
||||
|
@ -19,8 +19,8 @@ CFLAGS=-I$(ZLIBINC) -O2 $(WARNMORE) -fPIC -mabi=n32 # -g -DPNG_DEBUG=5
|
||||
LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
|
||||
LDSHARED=gcc -shared
|
||||
|
||||
VER=1.0.9beta5
|
||||
LIBS=libpng.so.1.0.9beta5
|
||||
VER=1.0.9beta6
|
||||
LIBS=libpng.so.1.0.9beta6
|
||||
SHAREDLIB=libpng.so
|
||||
libdir=$(prefix)/lib32
|
||||
|
||||
|
@ -31,7 +31,7 @@ RANLIB=echo
|
||||
# read libpng.txt or png.h to see why PNGMAJ is 2. You should not
|
||||
# have to change it.
|
||||
PNGMAJ = 2
|
||||
PNGMIN = 1.0.9beta5
|
||||
PNGMIN = 1.0.9beta6
|
||||
PNGVER = $(PNGMAJ).$(PNGMIN)
|
||||
|
||||
INCPATH=$(prefix)/include
|
||||
|
@ -5,7 +5,7 @@ unit pngdef;
|
||||
interface
|
||||
|
||||
const
|
||||
PNG_LIBPNG_VER_STRING = '1.0.9beta5';
|
||||
PNG_LIBPNG_VER_STRING = '1.0.9beta6';
|
||||
PNG_LIBPNG_VER = 10009;
|
||||
|
||||
type
|
||||
|
Reference in New Issue
Block a user