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[master] Imported from libpng-1.2.41beta03.tar

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Glenn Randers-Pehrson 2009-09-30 23:05:16 -05:00
parent 5d7fe7a718
commit 455e8a4281
10 changed files with 54 additions and 39 deletions
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2
INSTALL
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@ -1,5 +1,5 @@
Installing libpng version 1.2.41beta03 - September 30, 2009 Installing libpng version 1.2.41beta03 - October 1, 2009
On Unix/Linux and similar systems, you can simply type On Unix/Linux and similar systems, you can simply type

4
LICENSE
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@ -10,7 +10,7 @@ this sentence.
This code is released under the libpng license. This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.2.41beta03, September 30, 2009, are libpng versions 1.2.6, August 15, 2004, through 1.2.41beta03, October 1, 2009, are
Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5 distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors with the following individual added to the list of Contributing Authors
@ -108,4 +108,4 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
September 30, 2009 October 1, 2009

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README
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@ -1,4 +1,4 @@
README for libpng version 1.2.41beta03 - September 30, 2009 (shared library 12.0) README for libpng version 1.2.41beta03 - October 1, 2009 (shared library 12.0)
See the note about version numbers near the top of png.h See the note about version numbers near the top of png.h
See INSTALL for instructions on how to install libpng. See INSTALL for instructions on how to install libpng.

2
Y2KINFO
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@ -1,7 +1,7 @@
Y2K compliance in libpng: Y2K compliance in libpng:
========================= =========================
September 30, 2009 October 1, 2009
Since the PNG Development group is an ad-hoc body, we can't make Since the PNG Development group is an ad-hoc body, we can't make
an official declaration. an official declaration.

65
libpng.3
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@ -1,4 +1,4 @@
.TH LIBPNG 3 "September 30, 2009" .TH LIBPNG 3 "October 1, 2009"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.41beta03 libpng \- Portable Network Graphics (PNG) Reference Library 1.2.41beta03
.SH SYNOPSIS .SH SYNOPSIS
@ -821,7 +821,7 @@ Following is a copy of the libpng.txt file that accompanies libpng.
.SH LIBPNG.TXT .SH LIBPNG.TXT
libpng.txt - A description on how to use and modify libpng libpng.txt - A description on how to use and modify libpng
libpng version 1.2.41beta03 - September 30, 2009 libpng version 1.2.41beta03 - October 1, 2009
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net> <glennrp at users.sourceforge.net>
Copyright (c) 1998-2009 Glenn Randers-Pehrson Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -832,7 +832,7 @@ libpng.txt - A description on how to use and modify libpng
Based on: Based on:
libpng versions 0.97, January 1998, through 1.2.41beta03 - September 30, 2009 libpng versions 0.97, January 1998, through 1.2.41beta03 - October 1, 2009
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2009 Glenn Randers-Pehrson Copyright (c) 1998-2009 Glenn Randers-Pehrson
@ -1366,10 +1366,33 @@ in until png_read_end() has read the chunk data following the image.
for PNG 1.0) for PNG 1.0)
interlace_type - (PNG_INTERLACE_NONE or interlace_type - (PNG_INTERLACE_NONE or
PNG_INTERLACE_ADAM7) PNG_INTERLACE_ADAM7)
Any or all of interlace_type, compression_type, of
Any or all of interlace_type, compression_type, or
filter_method can be NULL if you are filter_method can be NULL if you are
not interested in their values. not interested in their values.
Note that png_get_IHDR() returns 32-bit data into
the application's width and height variables.
This is an unsafe situation if these are 16-bit
variables. In such situations, the
png_get_image_width() and png_get_image_height()
functions described below are safer.
width = png_get_image_width(png_ptr,
info_ptr);
height = png_get_image_height(png_ptr,
info_ptr);
bit_depth = png_get_bit_depth(png_ptr,
info_ptr);
color_type = png_get_color_type(png_ptr,
info_ptr);
filter_method = png_get_filter_type(png_ptr,
info_ptr);
compression_type = png_get_compression_type(png_ptr,
info_ptr);
interlace_type = png_get_interlace_type(png_ptr,
info_ptr);
channels = png_get_channels(png_ptr, info_ptr); channels = png_get_channels(png_ptr, info_ptr);
channels - number of channels of info for the channels - number of channels of info for the
color type (valid values are 1 (GRAY, color type (valid values are 1 (GRAY,
@ -1389,23 +1412,6 @@ in until png_read_end() has read the chunk data following the image.
be in signature[4] through signature[7] be in signature[4] through signature[7]
(see png_set_sig_bytes())). (see png_set_sig_bytes())).
width = png_get_image_width(png_ptr,
info_ptr);
height = png_get_image_height(png_ptr,
info_ptr);
bit_depth = png_get_bit_depth(png_ptr,
info_ptr);
color_type = png_get_color_type(png_ptr,
info_ptr);
filter_method = png_get_filter_type(png_ptr,
info_ptr);
compression_type = png_get_compression_type(png_ptr,
info_ptr);
interlace_type = png_get_interlace_type(png_ptr,
info_ptr);
These are also important, but their validity depends on whether the chunk These are also important, but their validity depends on whether the chunk
has been read. The png_get_valid(png_ptr, info_ptr, PNG_INFO_<chunk>) and has been read. The png_get_valid(png_ptr, info_ptr, PNG_INFO_<chunk>) and
png_get_<chunk>(png_ptr, info_ptr, ...) functions return non-zero if the png_get_<chunk>(png_ptr, info_ptr, ...) functions return non-zero if the
@ -3803,6 +3809,15 @@ We use 3-space indentation, except for continued statements which
are usually indented the same as the first line of the statement are usually indented the same as the first line of the statement
plus four more spaces. plus four more spaces.
For macro definitions we use 2-space indentation, always leaving the "#"
in the first column.
#ifndef PNG_NO_FEATURE
# ifndef PNG_FEATURE_SUPPORTED
# define PNG_FEATURE_SUPPORTED
# endif
#endif
Comments appear with the leading "/*" at the same indentation as Comments appear with the leading "/*" at the same indentation as
the statement that follows the comment: the statement that follows the comment:
@ -3879,7 +3894,7 @@ source.
.SH XIII. Y2K Compliance in libpng .SH XIII. Y2K Compliance in libpng
September 30, 2009 October 1, 2009
Since the PNG Development group is an ad-hoc body, we can't make Since the PNG Development group is an ad-hoc body, we can't make
an official declaration. an official declaration.
@ -4225,7 +4240,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation. Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.2.41beta03 - September 30, 2009: Libpng version 1.2.41beta03 - October 1, 2009:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc. Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net). Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@ -4248,7 +4263,7 @@ this sentence.
This code is released under the libpng license. This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.2.41beta03, September 30, 2009, are libpng versions 1.2.6, August 15, 2004, through 1.2.41beta03, October 1, 2009, are
Copyright (c) 2004,2006-2008 Glenn Randers-Pehrson, and are Copyright (c) 2004,2006-2008 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5 distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors with the following individual added to the list of Contributing Authors
@ -4347,7 +4362,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
September 30, 2009 October 1, 2009
.\" end of man page .\" end of man page

2
libpngpf.3
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.TH LIBPNGPF 3 "September 30, 2009" .TH LIBPNGPF 3 "October 1, 2009"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.2.41beta03 libpng \- Portable Network Graphics (PNG) Reference Library 1.2.41beta03
(private functions) (private functions)

2
png.5
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.TH PNG 5 "September 30, 2009" .TH PNG 5 "October 1, 2009"
.SH NAME .SH NAME
png \- Portable Network Graphics (PNG) format png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION .SH DESCRIPTION

10
png.h
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@ -1,6 +1,6 @@
/* png.h - header file for PNG reference library /* png.h - header file for PNG reference library
* *
* libpng version 1.2.41beta03 - September 30, 2009 * libpng version 1.2.41beta03 - October 1, 2009
* Copyright (c) 1998-2009 Glenn Randers-Pehrson * Copyright (c) 1998-2009 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@ -10,7 +10,7 @@
* Authors and maintainers: * Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat * 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 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.2.41beta03 - September 30, 2009: Glenn * libpng versions 0.97, January 1998, through 1.2.41beta03 - October 1, 2009: Glenn
* See also "Contributing Authors", below. * See also "Contributing Authors", below.
* *
* Note about libpng version numbers: * Note about libpng version numbers:
@ -277,7 +277,7 @@
* *
* This code is released under the libpng license. * This code is released under the libpng license.
* *
* libpng versions 1.2.6, August 15, 2004, through 1.2.41beta03, September 30, 2009, are * libpng versions 1.2.6, August 15, 2004, through 1.2.41beta03, October 1, 2009, are
* Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are * Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are
* distributed according to the same disclaimer and license as libpng-1.2.5 * distributed according to the same disclaimer and license as libpng-1.2.5
* with the following individual added to the list of Contributing Authors: * with the following individual added to the list of Contributing Authors:
@ -389,7 +389,7 @@
* Y2K compliance in libpng: * Y2K compliance in libpng:
* ========================= * =========================
* *
* September 30, 2009 * October 1, 2009
* *
* Since the PNG Development group is an ad-hoc body, we can't make * Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration. * an official declaration.
@ -453,7 +453,7 @@
/* Version information for png.h - this should match the version in png.c */ /* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.2.41beta03" #define PNG_LIBPNG_VER_STRING "1.2.41beta03"
#define PNG_HEADER_VERSION_STRING \ #define PNG_HEADER_VERSION_STRING \
" libpng version 1.2.41beta03 - September 30, 2009\n" " libpng version 1.2.41beta03 - October 1, 2009\n"
#define PNG_LIBPNG_VER_SONUM 0 #define PNG_LIBPNG_VER_SONUM 0
#define PNG_LIBPNG_VER_DLLNUM 13 #define PNG_LIBPNG_VER_DLLNUM 13

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pngconf.h
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/* pngconf.h - machine configurable file for libpng /* pngconf.h - machine configurable file for libpng
* *
* libpng version 1.2.41beta03 - September 30, 2009 * libpng version 1.2.41beta03 - October 1, 2009
* Copyright (c) 1998-2009 Glenn Randers-Pehrson * Copyright (c) 1998-2009 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)

2
pngwutil.c
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/* pngwutil.c - utilities to write a PNG file /* pngwutil.c - utilities to write a PNG file
* *
* Last changed in libpng 1.2.40 [September 30, 2009] * Last changed in libpng 1.2.40 [October 1, 2009]
* Copyright (c) 1998-2009 Glenn Randers-Pehrson * Copyright (c) 1998-2009 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)