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[libpng16] Added PNG_FAST_FILTERS macro (defined as

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PNG_FILTER_NONE|PNG_FILTER_SUB|PNG_FILTER_UP).
This commit is contained in:
Glenn Randers-Pehrson
2016-04-11 08:23:16 -05:00
parent daf2169797
commit fa551df95e
5 changed files with 48 additions and 28 deletions
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14
png.h
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@@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.6.22beta05, April 5, 2016
* libpng version 1.6.22beta05, April 11, 2016
*
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -12,7 +12,7 @@
* Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.6.22beta05, April 5, 2016:
* libpng versions 0.97, January 1998, through 1.6.22beta05, April 11, 2016:
* Glenn Randers-Pehrson.
* See also "Contributing Authors", below.
*/
@@ -29,7 +29,7 @@
* files that are distributed with libpng have other copyright owners and
* are released under other open source licenses.
*
* libpng versions 1.0.7, July 1, 2000 through 1.6.22beta05, April 5, 2016 are
* libpng versions 1.0.7, July 1, 2000 through 1.6.22beta05, April 11, 2016 are
* Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are
* derived from libpng-1.0.6, and are distributed according to the same
* disclaimer and license as libpng-1.0.6 with the following individuals
@@ -245,7 +245,7 @@
* Y2K compliance in libpng:
* =========================
*
* April 5, 2016
* April 11, 2016
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
@@ -315,7 +315,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.6.22beta05"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.6.22beta05 - April 5, 2016\n"
" libpng version 1.6.22beta05 - April 11, 2016\n"
#define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16
@@ -1502,8 +1502,8 @@ PNG_EXPORT(67, void, png_set_filter, (png_structrp png_ptr, int method,
#define PNG_FILTER_UP 0x20
#define PNG_FILTER_AVG 0x40
#define PNG_FILTER_PAETH 0x80
#define PNG_ALL_FILTERS (PNG_FILTER_NONE | PNG_FILTER_SUB | PNG_FILTER_UP | \
PNG_FILTER_AVG | PNG_FILTER_PAETH)
#define PNG_FAST_FILTERS (PNG_FILTER_NONE | PNG_FILTER_SUB | PNG_FILTER_UP)
#define PNG_ALL_FILTERS (PNG_FAST_FILTERS | PNG_FILTER_AVG | PNG_FILTER_PAETH)
/* Filter values (not flags) - used in pngwrite.c, pngwutil.c for now.
* These defines should NOT be changed.