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[libpng16] Imported from libpng-1.6.7beta04.tar

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Glenn Randers-Pehrson 2013-10-26 11:29:36 -05:00
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10
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.6.7beta04 - October 25, 2013 Libpng 1.6.7beta04 - October 26, 2013
This is not intended to be a public release. It will be replaced This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version. within a few weeks by a public version or by another test version.
@ -80,15 +80,15 @@ Version 1.6.7beta03 [October 19, 2013]
Cleaned up ARM NEON compilation handling. The tests are now in pngpriv.h Cleaned up ARM NEON compilation handling. The tests are now in pngpriv.h
and detect the broken GCC compilers. and detect the broken GCC compilers.
Version 1.6.7beta04 [October 25, 2013] Version 1.6.7beta04 [October 26, 2013]
Allow clang derived from older GCC versions to use ARM intrinsics. This Allow clang derived from older GCC versions to use ARM intrinsics. This
causes all clang builds that use -mfpu=neon to use the intrinsics code, causes all clang builds that use -mfpu=neon to use the intrinsics code,
not the assembler code. This has only been tested on iOS 7. It may be not the assembler code. This has only been tested on iOS 7. It may be
necessary to exclude some earlier clang versions but this seems unlikely. necessary to exclude some earlier clang versions but this seems unlikely.
Changed NEON implementation selection mechanism. This allows assembler Changed NEON implementation selection mechanism. This allows assembler
or intrinsics to be turned on during the build by defining or intrinsics to be turned on at compile time during the build by defining
PNG_ARM_NEON_IMPLEMENTATION to the correct value (2 or 1). The PNG_ARM_NEON_IMPLEMENTATION to the correct value (2 or 1). This macro
default is "undefined" and the build type is selected in pngpriv.h. undefined by default and the build type is selected in pngpriv.h.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

8
CHANGES
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@ -4694,15 +4694,15 @@ Version 1.6.7beta03 [October 19, 2013]
Cleaned up ARM NEON compilation handling. The tests are now in pngpriv.h Cleaned up ARM NEON compilation handling. The tests are now in pngpriv.h
and detect the broken GCC compilers. and detect the broken GCC compilers.
Version 1.6.7beta04 [October 25, 2013] Version 1.6.7beta04 [October 26, 2013]
Allow clang derived from older GCC versions to use ARM intrinsics. This Allow clang derived from older GCC versions to use ARM intrinsics. This
causes all clang builds that use -mfpu=neon to use the intrinsics code, causes all clang builds that use -mfpu=neon to use the intrinsics code,
not the assembler code. This has only been tested on iOS 7. It may be not the assembler code. This has only been tested on iOS 7. It may be
necessary to exclude some earlier clang versions but this seems unlikely. necessary to exclude some earlier clang versions but this seems unlikely.
Changed NEON implementation selection mechanism. This allows assembler Changed NEON implementation selection mechanism. This allows assembler
or intrinsics to be turned on during the build by defining or intrinsics to be turned on at compile time during the build by defining
PNG_ARM_NEON_IMPLEMENTATION to the correct value (2 or 1). The PNG_ARM_NEON_IMPLEMENTATION to the correct value (2 or 1). This macro
default is "undefined" and the build type is selected in pngpriv.h. undefined by default and the build type is selected in pngpriv.h.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit (subscription required; visit

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 1.6.7beta04, October 19, 2013, are libpng versions 1.2.6, August 15, 2004, through 1.6.7beta04, October 26, 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
October 19, 2013 October 26, 2013

2
README
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@ -1,4 +1,4 @@
README for libpng version 1.6.7beta04 - October 19, 2013 (shared library 16.0) README for libpng version 1.6.7beta04 - October 26, 2013 (shared library 16.0)
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.

19
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 1.6.7beta04 - October 19, 2013 libpng version 1.6.7beta04 - October 26, 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 1.6.7beta04 - October 19, 2013 libpng versions 0.97, January 1998, through 1.6.7beta04 - October 26, 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
@ -5015,10 +5015,11 @@ where "rp" indicates a "restricted pointer".
Error detection in some chunks has improved; in particular the iCCP chunk Error detection in some chunks has improved; in particular the iCCP chunk
reader now does pretty complete validation of the basic format. Some bad reader now does pretty complete validation of the basic format. Some bad
profiles that were previously accepted are now rejected, in particular the profiles that were previously accepted are now accepted with a warning or
very old broken Microsoft/HP sRGB profile. The PNG spec requirement that rejected, depending upon the png_set_benign_errors() setting, in particular the
only grayscale profiles may appear in images with color type 0 or 4 and that very old broken Microsoft/HP 3144-byte sRGB profile. The PNG spec requirement
even if the image only contains gray pixels, only RGB profiles may appear that only grayscale profiles may appear in images with color type 0 or 4 and
that even if the image only contains gray pixels, only RGB profiles may appear
in images with color type 2, 3, or 6, is now enforced. The sRGB chunk in images with color type 2, 3, or 6, is now enforced. The sRGB chunk
is allowed to appear in images with any color type. is allowed to appear in images with any color type.
@ -5027,7 +5028,9 @@ an empty language field or an empty translated keyword. Both of these
are allowed by the PNG specification, so these warnings are no longer issued. are allowed by the PNG specification, so these warnings are no longer issued.
The library now issues an error if the application attempts to set a The library now issues an error if the application attempts to set a
transform after it calls png_read_update_info(). transform after it calls png_read_update_info() or if it attempts to call
both png_read_update_info() and png_start_read_image() or to call either
of them more than once.
The default condition for benign_errors is now to treat benign errors as The default condition for benign_errors is now to treat benign errors as
warnings while reading and as errors while writing. warnings while reading and as errors while writing.
@ -5229,7 +5232,7 @@ Other rules can be inferred by inspecting the libpng source.
XVI. Y2K Compliance in libpng XVI. Y2K Compliance in libpng
October 19, 2013 October 26, 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.

27
libpng.3
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@ -1,4 +1,4 @@
.TH LIBPNG 3 "October 19, 2013" .TH LIBPNG 3 "October 26, 2013"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.7beta04 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.7beta04
.SH SYNOPSIS .SH SYNOPSIS
@ -504,7 +504,7 @@ 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 1.6.7beta04 - October 19, 2013 libpng version 1.6.7beta04 - October 26, 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
@ -515,7 +515,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on: Based on:
libpng versions 0.97, January 1998, through 1.6.7beta04 - October 19, 2013 libpng versions 0.97, January 1998, through 1.6.7beta04 - October 26, 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
@ -5520,10 +5520,11 @@ where "rp" indicates a "restricted pointer".
Error detection in some chunks has improved; in particular the iCCP chunk Error detection in some chunks has improved; in particular the iCCP chunk
reader now does pretty complete validation of the basic format. Some bad reader now does pretty complete validation of the basic format. Some bad
profiles that were previously accepted are now rejected, in particular the profiles that were previously accepted are now accepted with a warning or
very old broken Microsoft/HP sRGB profile. The PNG spec requirement that rejected, depending upon the png_set_benign_errors() setting, in particular the
only grayscale profiles may appear in images with color type 0 or 4 and that very old broken Microsoft/HP 3144-byte sRGB profile. The PNG spec requirement
even if the image only contains gray pixels, only RGB profiles may appear that only grayscale profiles may appear in images with color type 0 or 4 and
that even if the image only contains gray pixels, only RGB profiles may appear
in images with color type 2, 3, or 6, is now enforced. The sRGB chunk in images with color type 2, 3, or 6, is now enforced. The sRGB chunk
is allowed to appear in images with any color type. is allowed to appear in images with any color type.
@ -5532,7 +5533,9 @@ an empty language field or an empty translated keyword. Both of these
are allowed by the PNG specification, so these warnings are no longer issued. are allowed by the PNG specification, so these warnings are no longer issued.
The library now issues an error if the application attempts to set a The library now issues an error if the application attempts to set a
transform after it calls png_read_update_info(). transform after it calls png_read_update_info() or if it attempts to call
both png_read_update_info() and png_start_read_image() or to call either
of them more than once.
The default condition for benign_errors is now to treat benign errors as The default condition for benign_errors is now to treat benign errors as
warnings while reading and as errors while writing. warnings while reading and as errors while writing.
@ -5734,7 +5737,7 @@ Other rules can be inferred by inspecting the libpng source.
.SH XVI. Y2K Compliance in libpng .SH XVI. Y2K Compliance in libpng
October 19, 2013 October 26, 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.
@ -6019,7 +6022,7 @@ 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 1.6.7beta04 - October 19, 2013: Libpng version 1.6.7beta04 - October 26, 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).
@ -6042,7 +6045,7 @@ 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 1.6.7beta04, October 19, 2013, are libpng versions 1.2.6, August 15, 2004, through 1.6.7beta04, October 26, 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
@ -6141,7 +6144,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson Glenn Randers-Pehrson
glennrp at users.sourceforge.net glennrp at users.sourceforge.net
October 19, 2013 October 26, 2013
.\" end of man page .\" end of man page

2
libpngpf.3
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@ -1,4 +1,4 @@
.TH LIBPNGPF 3 "October 19, 2013" .TH LIBPNGPF 3 "October 26, 2013"
.SH NAME .SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.7beta04 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.7beta04
(private functions) (private functions)

2
png.5
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@ -1,4 +1,4 @@
.TH PNG 5 "October 19, 2013" .TH PNG 5 "October 26, 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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@ -768,13 +768,13 @@ png_get_copyright(png_const_structrp png_ptr)
#else #else
# ifdef __STDC__ # ifdef __STDC__
return PNG_STRING_NEWLINE \ return PNG_STRING_NEWLINE \
"libpng version 1.6.7beta04 - October 19, 2013" PNG_STRING_NEWLINE \ "libpng version 1.6.7beta04 - October 26, 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 1.6.7beta04 - October 19, 2013\ return "libpng version 1.6.7beta04 - October 26, 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 1.6.7beta04 - October 19, 2013 * libpng version 1.6.7beta04 - October 26, 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 1.6.7beta04 - October 19, 2013: Glenn * libpng versions 0.97, January 1998, through 1.6.7beta04 - October 26, 2013: Glenn
* See also "Contributing Authors", below. * See also "Contributing Authors", below.
* *
* Note about libpng version numbers: * Note about libpng version numbers:
@ -215,7 +215,7 @@
* *
* 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 1.6.7beta04, October 19, 2013, are * libpng versions 1.2.6, August 15, 2004, through 1.6.7beta04, October 26, 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:
@ -327,7 +327,7 @@
* Y2K compliance in libpng: * Y2K compliance in libpng:
* ========================= * =========================
* *
* October 19, 2013 * October 26, 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.
@ -395,7 +395,7 @@
/* 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 "1.6.7beta04" #define PNG_LIBPNG_VER_STRING "1.6.7beta04"
#define PNG_HEADER_VERSION_STRING \ #define PNG_HEADER_VERSION_STRING \
" libpng version 1.6.7beta04 - October 19, 2013\n" " libpng version 1.6.7beta04 - October 26, 2013\n"
#define PNG_LIBPNG_VER_SONUM 16 #define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16 #define PNG_LIBPNG_VER_DLLNUM 16

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 1.6.7beta04 - October 19, 2013 * libpng version 1.6.7beta04 - October 26, 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)

2
projects/vstudio/readme.txt
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@ -1,7 +1,7 @@
VisualStudio instructions VisualStudio instructions
libpng version 1.6.7beta04 - October 19, 2013 libpng version 1.6.7beta04 - October 26, 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 1.6.7beta04 - October 19, 2013 * libpng version 1.6.7beta04 - October 26, 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 1.6.7beta04 - October 19, 2013 Makefiles for libpng version 1.6.7beta04 - October 26, 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 1.6.7beta04 - October 19, 2013 */ /* Libpng version 1.6.7beta04 - October 26, 2013 */
/* Copyright (c) 1998-2013 Glenn Randers-Pehrson */ /* Copyright (c) 1998-2013 Glenn Randers-Pehrson */