[libpng16] Imported from libpng-1.6.16beta03.tar
This commit is contained in:
parent
a00ea0aeae
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4
ANNOUNCE
4
ANNOUNCE
@ -1,4 +1,4 @@
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Libpng 1.6.16beta03 - December 17, 2014
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Libpng 1.6.16beta03 - December 21, 2014
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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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@ -35,7 +35,7 @@ Version 1.6.16beta02 [December 15, 2014]
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Revised Makefile.am and scripts/*.dfn again to work with MinGW/MSYS;
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renamed scripts/*.dfn to scripts/*.c (John Bowler).
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Version 1.6.16beta03 [December 17, 2014]
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Version 1.6.16beta03 [December 21, 2014]
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Quiet a "comparison always true" warning in pngstest.c (John Bowler).
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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2
CHANGES
2
CHANGES
@ -5109,7 +5109,7 @@ Version 1.6.16beta02 [December 15, 2014]
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Revised Makefile.am and scripts/*.dfn again to work with MinGW/MSYS;
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renamed scripts/*.dfn to scripts/*.c (John Bowler).
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Version 1.6.16beta03 [December 17, 2014]
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Version 1.6.16beta03 [December 21, 2014]
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Quiet a "comparison always true" warning in pngstest.c (John Bowler).
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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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 1.6.16beta03, December 15, 2014, are
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libpng versions 1.2.6, August 15, 2004, through 1.6.16beta03, December 21, 2014, are
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Copyright (c) 2004, 2006-2014 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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December 15, 2014
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December 21, 2014
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2
README
2
README
@ -1,4 +1,4 @@
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README for libpng version 1.6.16beta03 - December 15, 2014 (shared library 16.0)
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README for libpng version 1.6.16beta03 - December 21, 2014 (shared library 16.0)
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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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@ -1,9 +1,9 @@
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/*-
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* pngstest.c
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*
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* Copyright (c) 2013 John Cunningham Bowler
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* Copyright (c) 2013-2014 John Cunningham Bowler
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*
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* Last changed in libpng 1.6.8 [December 19, 2013]
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* Last changed in libpng 1.6.16 [(PENDING RELEASE)]
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*
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* This code is released under the libpng license.
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* For conditions of distribution and use, see the disclaimer
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|
@ -8,8 +8,8 @@
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* For conditions of distribution and use, see the disclaimer
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* and license in png.h
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*
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* Tool to check and fix the zlib inflate 'too far back' problem, see the usage
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* message for more information.
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* Tool to check and fix the zlib inflate 'too far back' problem.
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* See the usage message for more information.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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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 1.6.16beta03 - December 15, 2014
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libpng version 1.6.16beta03 - December 21, 2014
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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) 1998-2014 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 1.6.16beta03 - December 15, 2014
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libpng versions 0.97, January 1998, through 1.6.16beta03 - December 21, 2014
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Updated and distributed by Glenn Randers-Pehrson
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Copyright (c) 1998-2014 Glenn Randers-Pehrson
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@ -648,15 +648,12 @@ User limits
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The PNG specification allows the width and height of an image to be as
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large as 2^31-1 (0x7fffffff), or about 2.147 billion rows and columns.
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Since very few applications really need to process such large images,
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we have imposed an arbitrary 1-million limit on rows and columns.
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Larger images will be rejected immediately with a png_error() call. If
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you wish to change this limit, you can use
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you wish to reduce these limits, you can use
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png_set_user_limits(png_ptr, width_max, height_max);
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to set your own limits, or use width_max = height_max = 0x7fffffffL
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to allow all valid dimensions (libpng may reject some very large images
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to set your own limits (libpng may reject some very wide images
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anyway because of potential buffer overflow conditions).
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You should put this statement after you create the PNG structure and
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@ -5037,8 +5034,8 @@ where "rp" indicates a "restricted pointer".
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Error detection in some chunks has improved; in particular the iCCP chunk
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reader now does pretty complete validation of the basic format. Some bad
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profiles that were previously accepted are now accepted with a warning or
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rejected, depending upon the png_set_benign_errors() setting, in particular the
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very old broken Microsoft/HP 3144-byte sRGB profile. Starting with
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rejected, depending upon the png_set_benign_errors() setting, in particular
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the very old broken Microsoft/HP 3144-byte sRGB profile. Starting with
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libpng-1.6.11, recognizing and checking sRGB profiles can be avoided by
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means of
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@ -5048,8 +5045,8 @@ means of
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PNG_OPTION_ON);
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#endif
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It's not a good idea to do this if you are using the "simplified API",
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which needs to be able to recognize an sRGB profile conveyed via the iCCP
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It's not a good idea to do this if you are using the new "simplified API",
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which needs to be able to recognize sRGB profiles conveyed via the iCCP
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chunk.
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The PNG spec requirement that only grayscale profiles may appear in images
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@ -5277,7 +5274,7 @@ Other rules can be inferred by inspecting the libpng source.
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XVI. Y2K Compliance in libpng
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December 15, 2014
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December 21, 2014
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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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|
29
libpng.3
29
libpng.3
@ -1,4 +1,4 @@
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.TH LIBPNG 3 "December 15, 2014"
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.TH LIBPNG 3 "December 21, 2014"
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.SH NAME
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libpng \- Portable Network Graphics (PNG) Reference Library 1.6.16beta03
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.SH SYNOPSIS
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@ -504,7 +504,7 @@ 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 1.6.16beta03 - December 15, 2014
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libpng version 1.6.16beta03 - December 21, 2014
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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) 1998-2014 Glenn Randers-Pehrson
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@ -515,7 +515,7 @@ 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 1.6.16beta03 - December 15, 2014
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libpng versions 0.97, January 1998, through 1.6.16beta03 - December 21, 2014
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Updated and distributed by Glenn Randers-Pehrson
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Copyright (c) 1998-2014 Glenn Randers-Pehrson
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@ -1152,15 +1152,12 @@ callback function:
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The PNG specification allows the width and height of an image to be as
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large as 2^(31\-1 (0x7fffffff), or about 2.147 billion rows and columns.
|
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Since very few applications really need to process such large images,
|
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we have imposed an arbitrary 1-million limit on rows and columns.
|
||||
Larger images will be rejected immediately with a png_error() call. If
|
||||
you wish to change this limit, you can use
|
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you wish to reduce these limits, you can use
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png_set_user_limits(png_ptr, width_max, height_max);
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to set your own limits, or use width_max = height_max = 0x7fffffffL
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to allow all valid dimensions (libpng may reject some very large images
|
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to set your own limits (libpng may reject some very wide images
|
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anyway because of potential buffer overflow conditions).
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|
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You should put this statement after you create the PNG structure and
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@ -5541,8 +5538,8 @@ where "rp" indicates a "restricted pointer".
|
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Error detection in some chunks has improved; in particular the iCCP chunk
|
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reader now does pretty complete validation of the basic format. Some bad
|
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profiles that were previously accepted are now accepted with a warning or
|
||||
rejected, depending upon the png_set_benign_errors() setting, in particular the
|
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very old broken Microsoft/HP 3144-byte sRGB profile. Starting with
|
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rejected, depending upon the png_set_benign_errors() setting, in particular
|
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the very old broken Microsoft/HP 3144-byte sRGB profile. Starting with
|
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libpng-1.6.11, recognizing and checking sRGB profiles can be avoided by
|
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means of
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@ -5552,8 +5549,8 @@ means of
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PNG_OPTION_ON);
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#endif
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It's not a good idea to do this if you are using the "simplified API",
|
||||
which needs to be able to recognize an sRGB profile conveyed via the iCCP
|
||||
It's not a good idea to do this if you are using the new "simplified API",
|
||||
which needs to be able to recognize sRGB profiles conveyed via the iCCP
|
||||
chunk.
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The PNG spec requirement that only grayscale profiles may appear in images
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@ -5781,7 +5778,7 @@ Other rules can be inferred by inspecting the libpng source.
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.SH XVI. Y2K Compliance in libpng
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December 15, 2014
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December 21, 2014
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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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@ -6093,7 +6090,7 @@ 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 1.6.16beta03 - December 15, 2014:
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Libpng version 1.6.16beta03 - December 21, 2014:
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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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@ -6116,7 +6113,7 @@ 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 1.6.16beta03, December 15, 2014, are
|
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libpng versions 1.2.6, August 15, 2004, through 1.6.16beta03, December 21, 2014, are
|
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Copyright (c) 2004,2006-2014 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
|
||||
@ -6215,7 +6212,7 @@ certification mark of the Open Source Initiative.
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||||
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||||
Glenn Randers-Pehrson
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glennrp at users.sourceforge.net
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December 15, 2014
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December 21, 2014
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.\" end of man page
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@ -1,4 +1,4 @@
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.TH LIBPNGPF 3 "December 15, 2014"
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.TH LIBPNGPF 3 "December 21, 2014"
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.SH NAME
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libpng \- Portable Network Graphics (PNG) Reference Library 1.6.16beta03
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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 "December 15, 2014"
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.TH PNG 5 "December 21, 2014"
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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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14
png.c
14
png.c
@ -1,7 +1,7 @@
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/* png.c - location for general purpose libpng functions
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*
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* Last changed in libpng 1.6.15 [November 20, 2014]
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* Last changed in libpng 1.6.16 [(PENDING RELEASE)]
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* Copyright (c) 1998-2014 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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@ -769,13 +769,13 @@ png_get_copyright(png_const_structrp 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 1.6.16beta03 - December 15, 2014" PNG_STRING_NEWLINE \
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"libpng version 1.6.16beta03 - December 21, 2014" PNG_STRING_NEWLINE \
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"Copyright (c) 1998-2014 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 1.6.16beta03 - December 15, 2014\
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return "libpng version 1.6.16beta03 - December 21, 2014\
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Copyright (c) 1998-2014 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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@ -1075,7 +1075,7 @@ png_colorspace_set_gamma(png_const_structrp png_ptr,
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png_colorspacerp colorspace, png_fixed_point gAMA)
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{
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/* Changed in libpng-1.5.4 to limit the values to ensure overflow can't
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* occur. Since the fixed point representation is assymetrical it is
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* occur. Since the fixed point representation is asymetrical it is
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* possible for 1/gamma to overflow the limit of 21474 and this means the
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* gamma value must be at least 5/100000 and hence at most 20000.0. For
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* safety the limits here are a little narrower. The values are 0.00016 to
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@ -1324,7 +1324,7 @@ png_XYZ_from_xy(png_XYZ *XYZ, const png_xy *xy)
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* (1/white-y), so we can immediately see that as white-y approaches 0 the
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* accuracy inherent in the cHRM chunk drops off substantially.
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*
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* libpng arithmetic: a simple invertion of the above equations
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* libpng arithmetic: a simple inversion of the above equations
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* ------------------------------------------------------------
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*
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* white_scale = 1/white-y
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@ -1817,7 +1817,7 @@ png_icc_profile_error(png_const_structrp png_ptr, png_colorspacerp colorspace,
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PNG_UNUSED(pos)
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/* This is recoverable, but make it unconditionally an app_error on write to
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* avoid writing invalid ICC profiles into PNG files. (I.e. we handle them
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* avoid writing invalid ICC profiles into PNG files (i.e., we handle them
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* on read, with a warning, but on write unless the app turns off
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* application errors the PNG won't be written.)
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*/
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@ -1836,7 +1836,7 @@ png_colorspace_set_sRGB(png_const_structrp png_ptr, png_colorspacerp colorspace,
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/* sRGB sets known gamma, end points and (from the chunk) intent. */
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/* IMPORTANT: these are not necessarily the values found in an ICC profile
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* because ICC profiles store values adapted to a D50 environment; it is
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* expected that the ICC profile mediaWhitePointTag will be D50, see the
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* expected that the ICC profile mediaWhitePointTag will be D50; see the
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* checks and code elsewhere to understand this better.
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*
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* These XYZ values, which are accurate to 5dp, produce rgb to gray
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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 1.6.16beta03, December 15, 2014
|
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* libpng version 1.6.16beta03, December 21, 2014
|
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* Copyright (c) 1998-2014 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 1.6.16beta03, December 15, 2014: Glenn
|
||||
* libpng versions 0.97, January 1998, through 1.6.16beta03, December 21, 2014: Glenn
|
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* See also "Contributing Authors", below.
|
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*
|
||||
* Note about libpng version numbers:
|
||||
@ -241,7 +241,7 @@
|
||||
*
|
||||
* This code is released under the libpng license.
|
||||
*
|
||||
* libpng versions 1.2.6, August 15, 2004, through 1.6.16beta03, December 15, 2014, are
|
||||
* libpng versions 1.2.6, August 15, 2004, through 1.6.16beta03, December 21, 2014, are
|
||||
* Copyright (c) 2004, 2006-2014 Glenn Randers-Pehrson, and are
|
||||
* distributed according to the same disclaimer and license as libpng-1.2.5
|
||||
* with the following individual added to the list of Contributing Authors:
|
||||
@ -353,7 +353,7 @@
|
||||
* Y2K compliance in libpng:
|
||||
* =========================
|
||||
*
|
||||
* December 15, 2014
|
||||
* December 21, 2014
|
||||
*
|
||||
* Since the PNG Development group is an ad-hoc body, we can't make
|
||||
* an official declaration.
|
||||
@ -423,7 +423,7 @@
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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 "1.6.16beta03"
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#define PNG_HEADER_VERSION_STRING \
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" libpng version 1.6.16beta03 - December 15, 2014\n"
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" libpng version 1.6.16beta03 - December 21, 2014\n"
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#define PNG_LIBPNG_VER_SONUM 16
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#define PNG_LIBPNG_VER_DLLNUM 16
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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 1.6.16beta03,December 15, 2014
|
||||
* libpng version 1.6.16beta03,December 21, 2014
|
||||
*
|
||||
* Copyright (c) 1998-2014 Glenn Randers-Pehrson
|
||||
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
|
||||
|
@ -1,7 +1,7 @@
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/* pngrutil.c - utilities to read a PNG file
|
||||
*
|
||||
* Last changed in libpng 1.6.15 [November 20, 2014]
|
||||
* Last changed in libpng 1.6.16 [(PENDING RELEASE)]
|
||||
* Copyright (c) 1998-2014 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.)
|
||||
@ -788,6 +788,7 @@ png_inflate_read(png_structrp png_ptr, png_bytep read_buffer, uInt read_size,
|
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#endif
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||||
/* Read and check the IDHR chunk */
|
||||
|
||||
void /* PRIVATE */
|
||||
png_handle_IHDR(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
|
||||
{
|
||||
@ -852,8 +853,7 @@ png_handle_IHDR(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
|
||||
}
|
||||
|
||||
/* Set up other useful info */
|
||||
png_ptr->pixel_depth = (png_byte)(png_ptr->bit_depth *
|
||||
png_ptr->channels);
|
||||
png_ptr->pixel_depth = (png_byte)(png_ptr->bit_depth * png_ptr->channels);
|
||||
png_ptr->rowbytes = PNG_ROWBYTES(png_ptr->pixel_depth, png_ptr->width);
|
||||
png_debug1(3, "bit_depth = %d", png_ptr->bit_depth);
|
||||
png_debug1(3, "channels = %d", png_ptr->channels);
|
||||
@ -4228,7 +4228,7 @@ png_read_start_row(png_structrp png_ptr)
|
||||
|
||||
max_pixel_depth = png_ptr->pixel_depth;
|
||||
|
||||
/* WARNING: * png_read_transform_info (pngrtran.c) performs a simpliar set of
|
||||
/* WARNING: * png_read_transform_info (pngrtran.c) performs a simpler set of
|
||||
* calculations to calculate the final pixel depth, then
|
||||
* png_do_read_transforms actually does the transforms. This means that the
|
||||
* code which effectively calculates this value is actually repeated in three
|
||||
|
@ -1,7 +1,7 @@
|
||||
|
||||
VisualStudio instructions
|
||||
|
||||
libpng version 1.6.16beta03 - December 15, 2014
|
||||
libpng version 1.6.16beta03 - December 21, 2014
|
||||
|
||||
Copyright (c) 1998-2010 Glenn Randers-Pehrson
|
||||
|
||||
|
@ -2,7 +2,7 @@
|
||||
<!--
|
||||
* zlib.props - location of zlib source
|
||||
*
|
||||
* libpng version 1.6.16beta03 - December 15, 2014
|
||||
* libpng version 1.6.16beta03 - December 21, 2014
|
||||
*
|
||||
* Copyright (c) 1998-2011 Glenn Randers-Pehrson
|
||||
*
|
||||
|
@ -1,5 +1,5 @@
|
||||
|
||||
Makefiles for libpng version 1.6.16beta03 - December 15, 2014
|
||||
Makefiles for libpng version 1.6.16beta03 - December 21, 2014
|
||||
|
||||
pnglibconf.h.prebuilt => Stores configuration settings
|
||||
makefile.linux => Linux/ELF makefile
|
||||
|
@ -2,7 +2,7 @@
|
||||
|
||||
/* pnglibconf.h - library build configuration */
|
||||
|
||||
/* Libpng version 1.6.16beta03 - December 15, 2014 */
|
||||
/* Libpng version 1.6.16beta03 - December 21, 2014 */
|
||||
|
||||
/* Copyright (c) 1998-2014 Glenn Randers-Pehrson */
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user