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[libpng15] Added documentation of new png_get_palette_max() function.

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Glenn Randers-Pehrson
2013-02-04 19:45:48 -06:00
parent c9f2269857
commit 041f4465d0
6 changed files with 46 additions and 16 deletions
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14
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 1.5.15beta01 - January 24, 2013
libpng version 1.5.15beta01 - February 5, 2013
Updated and distributed by Glenn Randers-Pehrson
<glennrp at users.sourceforge.net>
Copyright (c) 1998-2012 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 1.5.15beta01 - January 24, 2013
libpng versions 0.97, January 1998, through 1.5.15beta01 - February 5, 2013
Updated and distributed by Glenn Randers-Pehrson
Copyright (c) 1998-2012 Glenn Randers-Pehrson
@@ -4161,6 +4161,14 @@ This is enabled by default but can be disabled in each png_ptr with
0: disable
1: enable
Retrieving the maximum palette index found was added at libpng-1.5.15.
This statement must appear after png_read_png() or png_read_image().
int max_palette = png_get_palette_max(png_ptr, info_ptr);
This will return the maximum palette index found, or "-1" if the palette
was not checked, or "0" if no palette was found.
A. Changes that affect users of libpng
There are no substantial API changes between the non-deprecated parts of
@@ -4609,7 +4617,7 @@ Other rules can be inferred by inspecting the libpng source.
XIV. Y2K Compliance in libpng
January 24, 2013
February 5, 2013
Since the PNG Development group is an ad-hoc body, we can't make
an official declaration.