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[libpng17] Imported from libpng-1.7.0beta24.tar

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Glenn Randers-Pehrson 2013-12-15 08:41:42 -06:00
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13 changed files with 67 additions and 39 deletions
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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 1.7.0beta24, November 24, 2013, are libpng versions 1.2.6, August 15, 2004, through 1.7.0beta24, December 15, 2013, are
Copyright (c) 2004, 2006-2013 Glenn Randers-Pehrson, and are Copyright (c) 2004, 2006-2013 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
November 24, 2013 December 15, 2013

2
README
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@ -1,4 +1,4 @@
README for libpng version 1.7.0beta24 - November 24, 2013 (shared library 17.0) README for libpng version 1.7.0beta24 - December 15, 2013 (shared library 17.0)
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.

32
libpng-manual.txt
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@ -1,6 +1,6 @@
libpng-manual.txt - A description on how to use and modify libpng libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.7.0beta24 - November 24, 2013 libpng version 1.7.0beta24 - December 15, 2013
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) 1998-2013 Glenn Randers-Pehrson Copyright (c) 1998-2013 Glenn Randers-Pehrson
@ -11,7 +11,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on: Based on:
libpng versions 0.97, January 1998, through 1.7.0beta24 - November 24, 2013 libpng versions 0.97, January 1998, through 1.7.0beta24 - December 15, 2013
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2013 Glenn Randers-Pehrson Copyright (c) 1998-2013 Glenn Randers-Pehrson
@ -3117,6 +3117,19 @@ Here is an example of writing two private chunks, prVt and miNE:
/* Needed because miNE is not safe-to-copy */ /* Needed because miNE is not safe-to-copy */
png_set_keep_unknown_chunks(png, PNG_HANDLE_CHUNK_ALWAYS, png_set_keep_unknown_chunks(png, PNG_HANDLE_CHUNK_ALWAYS,
(png_bytep) "miNE", 1); (png_bytep) "miNE", 1);
# if PNG_LIBPNG_VER < 10600
/* Deal with unknown chunk location bug in 1.5.x and earlier */
png_set_unknown_chunk_location(png, info, 0, PNG_HAVE_IHDR);
png_set_unknown_chunk_location(png, info, 1, PNG_AFTER_IDAT);
# endif
# if PNG_LIBPNG_VER < 10500
/* PNG_AFTER_IDAT writes two copies of the chunk prior to libpng-1.5.0,
* one before IDAT and another after IDAT, so don't use it; only use
* PNG_HAVE_IHDR location. This call resets the location previously
* set by assignment and png_set_unknown_chunk_location() for chunk 1.
*/
png_set_unknown_chunk_location(png, info, 1, PNG_HAVE_IHDR);
# endif
#endif #endif
The high-level write interface The high-level write interface
@ -4608,11 +4621,11 @@ XI. Changes to Libpng from version 1.4.x to 1.5.x
From libpng-1.4.0 until 1.4.4, the png_get_uint_16 macro (but not the From libpng-1.4.0 until 1.4.4, the png_get_uint_16 macro (but not the
function) incorrectly returned a value of type png_uint_32. function) incorrectly returned a value of type png_uint_32.
Checking for invalid palette index on read or write was added at libpng Checking for invalid palette index on write was added at libpng
1.5.10. When an invalid index is found, libpng issues a benign error. 1.5.10. If a pixel contains an invalid (out-of-range) index libpng issues
This is enabled by default because this condition is an error according a benign error. This is enabled by default because this condition is an
to the PNG specification, Clause 11.3.2, but the error can be ignored in error according to the PNG specification, Clause 11.3.2, but the error can
each png_ptr with be ignored in each png_ptr with
png_set_check_for_invalid_index(png_ptr, allowed); png_set_check_for_invalid_index(png_ptr, allowed);
@ -5235,7 +5248,8 @@ left parenthesis that follows it:
y[i] = a(x) + (int)b; y[i] = a(x) + (int)b;
We prefer #ifdef and #ifndef to #if defined() and #if !defined() We prefer #ifdef and #ifndef to #if defined() and #if !defined()
when there is only one macro being tested. when there is only one macro being tested. We always use parentheses
with "defined".
We prefer to express integers that are used as bit masks in hex format, We prefer to express integers that are used as bit masks in hex format,
with an even number of lower-case hex digits (e.g., 0x00, 0xff, 0x0100). with an even number of lower-case hex digits (e.g., 0x00, 0xff, 0x0100).
@ -5251,7 +5265,7 @@ Other rules can be inferred by inspecting the libpng source.
XVII. Y2K Compliance in libpng XVII. Y2K Compliance in libpng
November 24, 2013 December 15, 2013
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.

40
libpng.3
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@ -1,4 +1,4 @@
.TH LIBPNG 3 "November 24, 2013" .TH LIBPNG 3 "December 15, 2013"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.7.0beta24 libpng \- Portable Network Graphics (PNG) Reference Library 1.7.0beta24
.SH SYNOPSIS .SH SYNOPSIS
@ -494,7 +494,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
.SH LIBPNG.TXT .SH LIBPNG.TXT
libpng-manual.txt - A description on how to use and modify libpng libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.7.0beta24 - November 24, 2013 libpng version 1.7.0beta24 - December 15, 2013
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) 1998-2013 Glenn Randers-Pehrson Copyright (c) 1998-2013 Glenn Randers-Pehrson
@ -505,7 +505,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on: Based on:
libpng versions 0.97, January 1998, through 1.7.0beta24 - November 24, 2013 libpng versions 0.97, January 1998, through 1.7.0beta24 - December 15, 2013
Updated and distributed by Glenn Randers-Pehrson Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2013 Glenn Randers-Pehrson Copyright (c) 1998-2013 Glenn Randers-Pehrson
@ -3611,6 +3611,19 @@ Here is an example of writing two private chunks, prVt and miNE:
/* Needed because miNE is not safe-to-copy */ /* Needed because miNE is not safe-to-copy */
png_set_keep_unknown_chunks(png, PNG_HANDLE_CHUNK_ALWAYS, png_set_keep_unknown_chunks(png, PNG_HANDLE_CHUNK_ALWAYS,
(png_bytep) "miNE", 1); (png_bytep) "miNE", 1);
# if PNG_LIBPNG_VER < 10600
/* Deal with unknown chunk location bug in 1.5.x and earlier */
png_set_unknown_chunk_location(png, info, 0, PNG_HAVE_IHDR);
png_set_unknown_chunk_location(png, info, 1, PNG_AFTER_IDAT);
# endif
# if PNG_LIBPNG_VER < 10500
/* PNG_AFTER_IDAT writes two copies of the chunk prior to libpng-1.5.0,
* one before IDAT and another after IDAT, so don't use it; only use
* PNG_HAVE_IHDR location. This call resets the location previously
* set by assignment and png_set_unknown_chunk_location() for chunk 1.
*/
png_set_unknown_chunk_location(png, info, 1, PNG_HAVE_IHDR);
# endif
#endif #endif
.SS The high-level write interface .SS The high-level write interface
@ -5103,11 +5116,11 @@ We removed the trailing '.' from the warning and error messages.
From libpng-1.4.0 until 1.4.4, the png_get_uint_16 macro (but not the From libpng-1.4.0 until 1.4.4, the png_get_uint_16 macro (but not the
function) incorrectly returned a value of type png_uint_32. function) incorrectly returned a value of type png_uint_32.
Checking for invalid palette index on read or write was added at libpng Checking for invalid palette index on write was added at libpng
1.5.10. When an invalid index is found, libpng issues a benign error. 1.5.10. If a pixel contains an invalid (out-of-range) index libpng issues
This is enabled by default because this condition is an error according a benign error. This is enabled by default because this condition is an
to the PNG specification, Clause 11.3.2, but the error can be ignored in error according to the PNG specification, Clause 11.3.2, but the error can
each png_ptr with be ignored in each png_ptr with
png_set_check_for_invalid_index(png_ptr, allowed); png_set_check_for_invalid_index(png_ptr, allowed);
@ -5730,7 +5743,8 @@ left parenthesis that follows it:
y[i] = a(x) + (int)b; y[i] = a(x) + (int)b;
We prefer #ifdef and #ifndef to #if defined() and #if !defined() We prefer #ifdef and #ifndef to #if defined() and #if !defined()
when there is only one macro being tested. when there is only one macro being tested. We always use parentheses
with "defined".
We prefer to express integers that are used as bit masks in hex format, We prefer to express integers that are used as bit masks in hex format,
with an even number of lower-case hex digits (e.g., 0x00, 0xff, 0x0100). with an even number of lower-case hex digits (e.g., 0x00, 0xff, 0x0100).
@ -5746,7 +5760,7 @@ Other rules can be inferred by inspecting the libpng source.
.SH XVII. Y2K Compliance in libpng .SH XVII. Y2K Compliance in libpng
November 24, 2013 December 15, 2013
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.
@ -6016,7 +6030,7 @@ 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 1.7.0beta24 - November 24, 2013: Libpng version 1.7.0beta24 - December 15, 2013:
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).
@ -6039,7 +6053,7 @@ 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 1.7.0beta24, November 24, 2013, are libpng versions 1.2.6, August 15, 2004, through 1.7.0beta24, December 15, 2013, are
Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are Copyright (c) 2004,2006-2007 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
@ -6138,7 +6152,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
November 24, 2013 December 15, 2013
.\" end of man page .\" end of man page

2
libpngpf.3
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@ -1,4 +1,4 @@
.TH LIBPNGPF 3 "November 24, 2013" .TH LIBPNGPF 3 "December 15, 2013"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.7.0beta24 libpng \- Portable Network Graphics (PNG) Reference Library 1.7.0beta24
(private functions) (private functions)

2
png.5
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@ -1,4 +1,4 @@
.TH PNG 5 "November 24, 2013" .TH PNG 5 "December 15, 2013"
.SH NAME .SH NAME
png \- Portable Network Graphics (PNG) format png \- Portable Network Graphics (PNG) format
.SH DESCRIPTION .SH DESCRIPTION

4
png.c
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@ -696,13 +696,13 @@ png_get_copyright(png_const_structrp png_ptr)
#else #else
# ifdef __STDC__ # ifdef __STDC__
return PNG_STRING_NEWLINE \ return PNG_STRING_NEWLINE \
"libpng version 1.7.0beta24 - December 14, 2013" PNG_STRING_NEWLINE \ "libpng version 1.7.0beta24 - December 15, 2013" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2013 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \ "Copyright (c) 1998-2013 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \ "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \ "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE; PNG_STRING_NEWLINE;
# else # else
return "libpng version 1.7.0beta24 - December 14, 2013\ return "libpng version 1.7.0beta24 - December 15, 2013\
Copyright (c) 1998-2013 Glenn Randers-Pehrson\ Copyright (c) 1998-2013 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\ Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc."; Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";

10
png.h
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@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library /* png.h - header file for PNG reference library
* *
* libpng version 1.7.0beta24 - November 24, 2013 * libpng version 1.7.0beta24 - December 15, 2013
* Copyright (c) 1998-2013 Glenn Randers-Pehrson * Copyright (c) 1998-2013 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.)
@ -11,7 +11,7 @@
* 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 1.7.0beta24 - November 24, 2013: Glenn * libpng versions 0.97, January 1998, through 1.7.0beta24 - December 15, 2013: Glenn
* See also "Contributing Authors", below. * See also "Contributing Authors", below.
* *
* Note about libpng version numbers: * Note about libpng version numbers:
@ -200,7 +200,7 @@
* *
* 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 1.7.0beta24, November 24, 2013, are * libpng versions 1.2.6, August 15, 2004, through 1.7.0beta24, December 15, 2013, are
* Copyright (c) 2004, 2006-2013 Glenn Randers-Pehrson, and are * Copyright (c) 2004, 2006-2013 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:
@ -312,7 +312,7 @@
* Y2K compliance in libpng: * Y2K compliance in libpng:
* ========================= * =========================
* *
* November 24, 2013 * December 15, 2013
* *
* 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.
@ -380,7 +380,7 @@
/* 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 "1.7.0beta24" #define PNG_LIBPNG_VER_STRING "1.7.0beta24"
#define PNG_HEADER_VERSION_STRING \ #define PNG_HEADER_VERSION_STRING \
" libpng version 1.7.0beta24 - November 24, 2013\n" " libpng version 1.7.0beta24 - December 15, 2013\n"
#define PNG_LIBPNG_VER_SONUM 17 #define PNG_LIBPNG_VER_SONUM 17
#define PNG_LIBPNG_VER_DLLNUM 17 #define PNG_LIBPNG_VER_DLLNUM 17

2
pngconf.h
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@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng /* pngconf.h - machine configurable file for libpng
* *
* libpng version 1.7.0beta24 - November 24, 2013 * libpng version 1.7.0beta24 - December 15, 2013
* *
* Copyright (c) 1998-2013 Glenn Randers-Pehrson * Copyright (c) 1998-2013 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

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projects/vstudio/readme.txt
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@ -1,7 +1,7 @@
VisualStudio instructions VisualStudio instructions
libpng version 1.7.0beta24 - November 24, 2013 libpng version 1.7.0beta24 - December 15, 2013
Copyright (c) 1998-2010 Glenn Randers-Pehrson Copyright (c) 1998-2010 Glenn Randers-Pehrson

2
projects/vstudio/zlib.props
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@ -2,7 +2,7 @@
<!-- <!--
* zlib.props - location of zlib source * zlib.props - location of zlib source
* *
* libpng version 1.7.0beta24 - November 24, 2013 * libpng version 1.7.0beta24 - December 15, 2013
* *
* Copyright (c) 1998-2011 Glenn Randers-Pehrson * Copyright (c) 1998-2011 Glenn Randers-Pehrson
* *

2
scripts/README.txt
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@ -1,5 +1,5 @@
Makefiles for libpng version 1.7.0beta24 - November 24, 2013 Makefiles for libpng version 1.7.0beta24 - December 15, 2013
pnglibconf.h.prebuilt => Stores configuration settings pnglibconf.h.prebuilt => Stores configuration settings
makefile.linux => Linux/ELF makefile makefile.linux => Linux/ELF makefile

2
scripts/pnglibconf.h.prebuilt
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@ -2,7 +2,7 @@
/* pnglibconf.h - library build configuration */ /* pnglibconf.h - library build configuration */
/* Libpng version 1.7.0beta24 - November 24, 2013 */ /* Libpng version 1.7.0beta24 - December 15, 2013 */
/* Copyright (c) 1998-2013 Glenn Randers-Pehrson */ /* Copyright (c) 1998-2013 Glenn Randers-Pehrson */