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https://git.code.sf.net/p/libpng/code.git
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[devel] Imported from libpng-1.5.3beta05.tar
This commit is contained in:
Glenn Randers-Pehrson
parent
c5bef946b1
commit
e1018a5bbb
17
ANNOUNCE
17
ANNOUNCE
@ -1,5 +1,5 @@
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Libpng 1.5.3beta05 - May 5, 2011
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Libpng 1.5.3beta05 - May 6, 2011
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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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@ -76,7 +76,7 @@ Version 1.5.3beta04 [April 27, 2011]
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Changed png_struct jmp_buf member name from png_jmpbuf to tmp_jmpbuf to
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avoid a clash with the png_jmpbuf macro on some platforms.
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Version 1.5.3beta05 [May 5, 2011]
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Version 1.5.3beta05 [May 6, 2011]
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Added appropriate feature test macros to ensure libpng sees the correct API
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_POSIX_SOURCE is defined in pngpriv.h, pngtest.c and pngvalid.c to ensure
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that POSIX conformant systems disable non-POSIX APIs. _ISOC99_SOURCE is
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@ -89,12 +89,13 @@ Version 1.5.3beta05 [May 5, 2011]
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PNG_NO_WARNINGS does actually work now.
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Added PNG_WRITE_OPTIMIZE_CMF_SUPPORTED macro to make the zlib "CMF" byte
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optimization configureable.
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IDAT compression failed if preceded by a compressed text chunk
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This was because the attempt to reset the zlib stream in png_write_IDAT
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happened after the first IDAT chunk had been deflated - much too late.
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In this change internal functions are added to claim/release the z_stream
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and, hopefully, make the code more robust. Also deflateEnd checking is
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added - previously libpng would ignore an error at the end of the stream.
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IDAT compression failed if preceded by a compressed text chunk (bug
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introduced in libpng-1.5.3beta01-02). This was because the attempt to
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reset the zlib stream in png_write_IDAT happened after the first IDAT
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chunk had been deflated - much too late. In this change internal
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functions were added to claim/release the z_stream and, hopefully, make
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the code more robust. Also deflateEnd checking is added - previously
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libpng would ignore an error at the end of the stream.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
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15
CHANGES
15
CHANGES
@ -3337,7 +3337,7 @@ Version 1.5.3beta04 [April 27, 2011]
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Changed png_struct jmp_buf member name from png_jmpbuf to tmp_jmpbuf to
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avoid a possible clash with the png_jmpbuf macro on some platforms.
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Version 1.5.3beta05 [May 5, 2011]
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Version 1.5.3beta05 [May 6, 2011]
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Added the "_POSIX_SOURCE" feature test macro to ensure libpng sees the
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correct API. _POSIX_SOURCE is defined in pngpriv.h, pngtest.c and
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pngvalid.c to ensure that POSIX conformant systems disable non-POSIX APIs.
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@ -3348,12 +3348,13 @@ Version 1.5.3beta05 [May 5, 2011]
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PNG_NO_WARNINGS does actually work now.
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Added PNG_WRITE_OPTIMIZE_CMF_SUPPORTED macro to make the zlib "CMF" byte
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optimization configureable.
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IDAT compression failed if preceded by a compressed text chunk
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This was because the attempt to reset the zlib stream in png_write_IDAT
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happened after the first IDAT chunk had been deflated - much too late.
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In this change internal functions are added to claim/release the z_stream
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and, hopefully, make the code more robust. Also deflateEnd checking is
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added - previously libpng would ignore an error at the end of the stream.
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IDAT compression failed if preceded by a compressed text chunk (bug
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introduced in libpng-1.5.3beta01-02). This was because the attempt to
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reset the zlib stream in png_write_IDAT happened after the first IDAT
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chunk had been deflated - much too late. In this change internal
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functions were added to claim/release the z_stream and, hopefully, make
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the code more robust. Also deflateEnd checking is added - previously
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libpng would ignore an error at the end of the stream.
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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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4
LICENSE
4
LICENSE
@ -10,7 +10,7 @@ this sentence.
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This code is released under the libpng license.
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libpng versions 1.2.6, August 15, 2004, through 1.5.3beta05, April 29, 2011, are
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libpng versions 1.2.6, August 15, 2004, through 1.5.3beta05, May 6, 2011, are
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Copyright (c) 2004, 2006-2011 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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@ -108,4 +108,4 @@ 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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April 29, 2011
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May 6, 2011
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2
README
2
README
@ -1,4 +1,4 @@
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README for libpng version 1.5.3beta05 - April 29, 2011 (shared library 15.0)
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README for libpng version 1.5.3beta05 - May 6, 2011 (shared library 15.0)
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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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@ -2,7 +2,7 @@
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#if 0 /* in case someone actually tries to compile this */
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/* example.c - an example of using libpng
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* Last changed in libpng 1.5.2 [March 31, 2011]
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* Last changed in libpng 1.5.3 [(PENDING RELEASE)]
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* This file has been placed in the public domain by the authors.
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* Maintained 1998-2011 Glenn Randers-Pehrson
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* Maintained 1996, 1997 Andreas Dilger)
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@ -22,6 +22,10 @@
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* see also the programs in the contrib directory.
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*/
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#define _POSIX_SOURCE 1 /* libpng and zlib are POSIX-compliant. You may
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* change this if your application uses non-POSIX
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* extensions. */
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#include "png.h"
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/* The png_jmpbuf() macro, used in error handling, became available in
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@ -1,6 +1,6 @@
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libpng-manual.txt - A description on how to use and modify libpng
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libpng version 1.5.3beta05 - April 29, 2011
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libpng version 1.5.3beta05 - May 6, 2011
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Updated and distributed by Glenn Randers-Pehrson
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<glennrp at users.sourceforge.net>
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Copyright (c) 1998-2011 Glenn Randers-Pehrson
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@ -11,7 +11,7 @@ libpng-manual.txt - A description on how to use and modify libpng
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Based on:
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libpng versions 0.97, January 1998, through 1.5.3beta05 - April 29, 2011
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libpng versions 0.97, January 1998, through 1.5.3beta05 - May 6, 2011
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Updated and distributed by Glenn Randers-Pehrson
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Copyright (c) 1998-2011 Glenn Randers-Pehrson
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@ -4193,7 +4193,7 @@ Other rules can be inferred by inspecting the libpng source.
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XIV. Y2K Compliance in libpng
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April 29, 2011
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May 6, 2011
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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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14
libpng.3
14
libpng.3
@ -1,4 +1,4 @@
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.TH LIBPNG 3 "April 29, 2011"
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.TH LIBPNG 3 "May 6, 2011"
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.SH NAME
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libpng \- Portable Network Graphics (PNG) Reference Library 1.5.3beta05
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.SH SYNOPSIS
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@ -943,7 +943,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
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.SH LIBPNG.TXT
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libpng-manual.txt - A description on how to use and modify libpng
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libpng version 1.5.3beta05 - April 29, 2011
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libpng version 1.5.3beta05 - May 6, 2011
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Updated and distributed by Glenn Randers-Pehrson
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<glennrp at users.sourceforge.net>
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Copyright (c) 1998-2011 Glenn Randers-Pehrson
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@ -954,7 +954,7 @@ libpng-manual.txt - A description on how to use and modify libpng
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Based on:
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libpng versions 0.97, January 1998, through 1.5.3beta05 - April 29, 2011
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libpng versions 0.97, January 1998, through 1.5.3beta05 - May 6, 2011
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Updated and distributed by Glenn Randers-Pehrson
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Copyright (c) 1998-2011 Glenn Randers-Pehrson
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@ -5136,7 +5136,7 @@ Other rules can be inferred by inspecting the libpng source.
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.SH XIV. Y2K Compliance in libpng
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April 29, 2011
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May 6, 2011
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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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@ -5388,7 +5388,7 @@ possible without all of you.
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Thanks to Frank J. T. Wojcik for helping with the documentation.
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Libpng version 1.5.3beta05 - April 29, 2011:
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Libpng version 1.5.3beta05 - May 6, 2011:
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Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
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Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
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@ -5411,7 +5411,7 @@ this sentence.
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This code is released under the libpng license.
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libpng versions 1.2.6, August 15, 2004, through 1.5.3beta05, April 29, 2011, are
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libpng versions 1.2.6, August 15, 2004, through 1.5.3beta05, May 6, 2011, are
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Copyright (c) 2004,2006-2007 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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@ -5510,7 +5510,7 @@ 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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April 29, 2011
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May 6, 2011
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.\" end of man page
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@ -1,4 +1,4 @@
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.TH LIBPNGPF 3 "April 29, 2011"
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.TH LIBPNGPF 3 "May 6, 2011"
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.SH NAME
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libpng \- Portable Network Graphics (PNG) Reference Library 1.5.3beta05
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(private functions)
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2
png.5
2
png.5
@ -1,4 +1,4 @@
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.TH PNG 5 "April 29, 2011"
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.TH PNG 5 "May 6, 2011"
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.SH NAME
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png \- Portable Network Graphics (PNG) format
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.SH DESCRIPTION
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4
png.c
4
png.c
@ -619,13 +619,13 @@ png_get_copyright(png_const_structp png_ptr)
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#else
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# ifdef __STDC__
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return PNG_STRING_NEWLINE \
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"libpng version 1.5.3beta05 - May 5, 2011" PNG_STRING_NEWLINE \
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"libpng version 1.5.3beta05 - May 6, 2011" PNG_STRING_NEWLINE \
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"Copyright (c) 1998-2011 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
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"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
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"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
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PNG_STRING_NEWLINE;
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# else
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return "libpng version 1.5.3beta05 - May 5, 2011\
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return "libpng version 1.5.3beta05 - May 6, 2011\
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Copyright (c) 1998-2011 Glenn Randers-Pehrson\
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Copyright (c) 1996-1997 Andreas Dilger\
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Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
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10
png.h
10
png.h
@ -1,7 +1,7 @@
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/* png.h - header file for PNG reference library
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*
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* libpng version 1.5.3beta05 - May 5, 2011
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* libpng version 1.5.3beta05 - May 6, 2011
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* Copyright (c) 1998-2011 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
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@ -11,7 +11,7 @@
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* Authors and maintainers:
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* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
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* libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
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* libpng versions 0.97, January 1998, through 1.5.3beta05 - May 5, 2011: Glenn
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* libpng versions 0.97, January 1998, through 1.5.3beta05 - May 6, 2011: Glenn
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* See also "Contributing Authors", below.
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*
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* Note about libpng version numbers:
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@ -182,7 +182,7 @@
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*
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* This code is released under the libpng license.
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*
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* libpng versions 1.2.6, August 15, 2004, through 1.5.3beta05, May 5, 2011, are
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* libpng versions 1.2.6, August 15, 2004, through 1.5.3beta05, May 6, 2011, are
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* Copyright (c) 2004, 2006-2011 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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@ -294,7 +294,7 @@
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* Y2K compliance in libpng:
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* =========================
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*
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* May 5, 2011
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* May 6, 2011
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*
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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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@ -357,7 +357,7 @@
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/* Version information for png.h - this should match the version in png.c */
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#define PNG_LIBPNG_VER_STRING "1.5.3beta05"
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#define PNG_HEADER_VERSION_STRING \
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" libpng version 1.5.3beta05 - May 5, 2011\n"
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" libpng version 1.5.3beta05 - May 6, 2011\n"
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#define PNG_LIBPNG_VER_SONUM 15
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#define PNG_LIBPNG_VER_DLLNUM 15
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@ -1,7 +1,7 @@
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/* pngconf.h - machine configurable file for libpng
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*
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* libpng version 1.5.3beta05 - May 5, 2011
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* libpng version 1.5.3beta05 - May 6, 2011
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*
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* Copyright (c) 1998-2011 Glenn Randers-Pehrson
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* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
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14
pngtrans.c
14
pngtrans.c
@ -443,8 +443,8 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
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* it is copied to. ep always points just beyond the end of the row, so
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* the loop simply copies (channels-1) channels until sp reaches ep.
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*
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* at_start: 0 -- convert AG, XG, ARGB, XRGB, AAGG, XXGG, etc.
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* : nonzero -- convert GA, GX, RGBA, RGBX, GGAA, RRGGBBXX, etc.
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* at_start: 0 -- convert AG, XG, ARGB, XRGB, AAGG, XXGG, etc.
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* nonzero -- convert GA, GX, RGBA, RGBX, GGAA, RRGGBBXX, etc.
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*/
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/* GA, GX, XG cases */
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@ -454,7 +454,7 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
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{
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if (at_start) /* Skip initial filler */
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++sp;
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else /* Skip initial channels and, for sp, the filler */
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else /* Skip initial channel and, for sp, the filler */
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sp += 2, ++dp;
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/* For a 1 pixel wide image there is nothing to do */
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@ -466,9 +466,9 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
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else if (row_info->bit_depth == 16)
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{
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if (at_start)
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if (at_start) /* Skip initial filler */
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sp += 2;
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else
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else /* Skip initial channel and, for sp, the filler */
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sp += 4, dp += 2;
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while (sp < ep)
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@ -506,9 +506,9 @@ png_do_strip_channel(png_row_infop row_info, png_bytep row, int at_start)
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else if (row_info->bit_depth == 16)
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{
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if (at_start)
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if (at_start) /* Skip initial filler */
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sp += 2;
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else
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else /* Skip initial channels and, for sp, the filler */
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sp += 8, dp += 6;
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while (sp < ep)
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@ -1,7 +1,7 @@
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VisualStudio instructions
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libpng version 1.5.3beta05 - April 29, 2011
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libpng version 1.5.3beta05 - May 6, 2011
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Copyright (c) 1998-2010 Glenn Randers-Pehrson
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@ -2,7 +2,7 @@
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<!--
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* zlib.props - location of zlib source
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*
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* libpng version 1.5.3beta05 - April 29, 2011
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* libpng version 1.5.3beta05 - May 6, 2011
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*
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* Copyright (c) 1998-2011 Glenn Randers-Pehrson
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*
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@ -1,5 +1,5 @@
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Makefiles for libpng version 1.5.3beta05 - April 29, 2011
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Makefiles for libpng version 1.5.3beta05 - May 6, 2011
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pnglibconf.h.prebuilt => Stores configuration settings
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makefile.linux => Linux/ELF makefile
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