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[libpng15] Update manual about handling over-length PLTE chunks.

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Glenn Randers-Pehrson 2015-10-31 08:47:32 -05:00
parent 820a090567
commit 91a73053b9
4 changed files with 19 additions and 19 deletions
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4
ANNOUNCE
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@ -1,5 +1,5 @@
Libpng 1.5.24beta03 - October 30, 2015
Libpng 1.5.24beta03 - October 31, 2015
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.
@ -52,7 +52,7 @@ Version 1.5.24beta02 [October 15, 2015]
Merged pngvalid.c with version 1.6.19.
Added sPLT support to pngtest.c
Version 1.5.24beta03 [October 30, 2015]
Version 1.5.24beta03 [October 31, 2015]
Prevent writing over-length PLTE chunk (Cosmin Truta).
Libpng incorrectly calculated the output rowbytes when the application
decreased either the number of channels or the bit depth (or both) in

2
CHANGES
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@ -4399,7 +4399,7 @@ Version 1.5.24beta02 [October 15, 2015]
Merged pngvalid.c with version 1.6.19.
Added sPLT support to pngtest.c
Version 1.5.24beta03 [October 30, 2015]
Version 1.5.24beta03 [October 31, 2015]
Prevent writing over-length PLTE chunk (Cosmin Truta).
Libpng incorrectly calculated the output rowbytes when the application
decreased either the number of channels or the bit depth (or both) in

12
libpng-manual.txt
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@ -1,6 +1,6 @@
Libpng-manual.txt - A description on how to use and modify libpng
libpng version 1.5.24beta03 - October 29, 2015
libpng version 1.5.24beta03 - October 31, 2015
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -11,7 +11,7 @@ Libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.5.24beta03 - October 29, 2015
libpng versions 0.97, January 1998, through 1.5.24beta03 - October 31, 2015
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -4256,10 +4256,10 @@ limits are now
The png_set_option() function (and the "options" member of the png struct) was
added to libpng-1.5.15.
Starting with libpng-1.5.24, attempting to write an over-length PLTE chunk
Starting with libpng-1.5.24, attempting to set an over-length PLTE chunk
is an error. Previously this requirement of the PNG specification was not
enforced. Libpng continues to accept over-length PLTE chunks when reading,
but does not make any use of the extra entries.
enforced, and the palette was always limited to 256 entries. An over-length
PLTE chunk found in an input PNG is silently truncated.
The library now supports a complete fixed point implementation and can
thus be used on systems that have no floating point support or very
@ -4506,7 +4506,7 @@ Other rules can be inferred by inspecting the libpng source.
XIV. Y2K Compliance in libpng
October 29, 2015
October 31, 2015
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.

20
libpng.3
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@ -1,4 +1,4 @@
.TH LIBPNG 3 "October 29, 2015"
.TH LIBPNG 3 "October 31, 2015"
.SH NAME
libpng \- Portable Network Graphics (PNG) Reference Library 1.5.24beta03
.SH SYNOPSIS
@ -496,7 +496,7 @@ 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 1.5.24beta03 - October 29, 2015
libpng version 1.5.24beta03 - October 31, 2015
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -507,7 +507,7 @@ Libpng-manual.txt - A description on how to use and modify libpng
Based on:
libpng versions 0.97, January 1998, through 1.5.24beta03 - October 29, 2015
libpng versions 0.97, January 1998, through 1.5.24beta03 - October 31, 2015
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2014 Glenn Randers-Pehrson
@ -4752,10 +4752,10 @@ limits are now
The png_set_option() function (and the "options" member of the png struct) was
added to libpng-1.5.15.
Starting with libpng-1.5.24, attempting to write an over-length PLTE chunk
Starting with libpng-1.5.24, attempting to set an over-length PLTE chunk
is an error. Previously this requirement of the PNG specification was not
enforced. Libpng continues to accept over-length PLTE chunks when reading,
but does not make any use of the extra entries.
enforced, and the palette was always limited to 256 entries. An over-length
PLTE chunk found in an input PNG is silently truncated.
The library now supports a complete fixed point implementation and can
thus be used on systems that have no floating point support or very
@ -5002,7 +5002,7 @@ Other rules can be inferred by inspecting the libpng source.
.SH XIV. Y2K Compliance in libpng
October 29, 2015
October 31, 2015
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.
@ -5315,7 +5315,7 @@ possible without all of you.
Thanks to Frank J. T. Wojcik for helping with the documentation.
Libpng version 1.5.24beta03 - October 29, 2015:
Libpng version 1.5.24beta03 - October 31, 2015:
Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
@ -5338,7 +5338,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000, through 1.5.24beta03, October 29, 2015, are
libpng versions 1.0.7, July 1, 2000, through 1.5.24beta03, October 31, 2015, are
Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.0.6
with the following individuals added to the list of Contributing Authors:
@ -5431,7 +5431,7 @@ the additional disclaimers inserted at version 1.0.7.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
October 29, 2015
October 31, 2015
.\" end of man page