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[libpng16] Imported from libpng-1.6.16beta03.tar

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Glenn Randers-Pehrson
2014-12-20 19:10:52 -06:00
parent a00ea0aeae
commit f43b5e3709
18 changed files with 55 additions and 61 deletions
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libpng.3
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@@ -1,4 +1,4 @@
.TH LIBPNG 3 "December 15, 2014"
.TH LIBPNG 3 "December 21, 2014"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.6.16beta03
.SH SYNOPSIS
@@ -504,7 +504,7 @@ Following is a copy of the libpng-manual.txt file that accompanies libpng.
.SH LIBPNG.TXT
libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.6.16beta03 - December 15, 2014
libpng version 1.6.16beta03 - December 21, 2014
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2014 Glenn Randers-Pehrson
@@ -515,7 +515,7 @@ libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.6.16beta03 - December 15, 2014
libpng versions 0.97, January 1998, through 1.6.16beta03 - December 21, 2014
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2014 Glenn Randers-Pehrson
@@ -1152,15 +1152,12 @@ callback function:
The PNG specification allows the width and height of an image to be as
large as 2^(31\-1 (0x7fffffff), or about 2.147 billion rows and columns.
Since very few applications really need to process such large images,
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
you wish to reduce these limits, you can use
png_set_user_limits(png_ptr, width_max, height_max);
to set your own limits, or use width_max = height_max = 0x7fffffffL
to allow all valid dimensions (libpng may reject some very large images
to set your own limits (libpng may reject some very wide images
anyway because of potential buffer overflow conditions).
You should put this statement after you create the PNG structure and
@@ -5541,8 +5538,8 @@ where "rp" indicates a "restricted pointer".
Error detection in some chunks has improved; in particular the iCCP chunk
reader now does pretty complete validation of the basic format. Some bad
profiles that were previously accepted are now accepted with a warning or
rejected, depending upon the png_set_benign_errors() setting, in particular the
very old broken Microsoft/HP 3144-byte sRGB profile. Starting with
rejected, depending upon the png_set_benign_errors() setting, in particular
the very old broken Microsoft/HP 3144-byte sRGB profile. Starting with
libpng-1.6.11, recognizing and checking sRGB profiles can be avoided by
means of
@@ -5552,8 +5549,8 @@ means of
PNG_OPTION_ON);
#endif
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.
The PNG spec requirement that only grayscale profiles may appear in images
@@ -5781,7 +5778,7 @@ Other rules can be inferred by inspecting the libpng source.
.SH XVI. 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.
@@ -6093,7 +6090,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.6.16beta03 - December 15, 2014:
Libpng version 1.6.16beta03 - December 21, 2014:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@@ -6116,7 +6113,7 @@ this sentence.
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
@@ -6215,7 +6212,7 @@ certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
December 15, 2014
December 21, 2014
.\" end of man page