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Third Party Libpng
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81487c8b
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Third Party Libpng
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体验新版 GitCode,发现更多精彩内容 >>
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81487c8b
编写于
6月 10, 2015
作者:
G
Glenn Randers-Pehrson
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电子邮件补丁
差异文件
[libpng16] Removed some unused WEIGHTED_FILTER macros from png.h and pngstruct.h
上级
f6e7551f
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4
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4 changed file
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8 addition
and
24 deletion
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-24
ANNOUNCE
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+1
-0
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CHANGES
+1
-0
png.h
png.h
+5
-13
pngstruct.h
pngstruct.h
+1
-11
未找到文件。
ANNOUNCE
浏览文件 @
81487c8b
...
...
@@ -93,6 +93,7 @@ Version 1.6.18beta08 [June 10, 2015]
unsigned char in contrib/tools/png-fix-itxt.c). To use the "secure"
file handling, define PNG_USE_MKSTEMP, otherwise "tmpfile()" will
be used.
Removed some unused WEIGHTED_FILTER macros from png.h and pngstruct.h
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
...
...
CHANGES
浏览文件 @
81487c8b
...
...
@@ -5278,6 +5278,7 @@ Version 1.6.18beta08 [June 10, 2015]
unsigned char in contrib/tools/png-fix-itxt.c). To use the "secure"
file handling, define PNG_USE_MKSTEMP, otherwise "tmpfile()" will
be used.
Removed some unused WEIGHTED_FILTER macros from png.h and pngstruct.h
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
...
...
png.h
浏览文件 @
81487c8b
/* png.h - header file for PNG reference library
*
* libpng version 1.6.18beta08, June
6
, 2015
* libpng version 1.6.18beta08, June
10
, 2015
*
* Copyright (c) 1998-2015 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 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.6.18beta08, June
6
, 2015: Glenn
* libpng versions 0.97, January 1998, through 1.6.18beta08, June
10
, 2015: Glenn
* See also "Contributing Authors", below.
*
* Note about libpng version numbers:
...
...
@@ -248,7 +248,7 @@
*
* This code is released under the libpng license.
*
* libpng versions 1.2.6, August 15, 2004, through 1.6.18beta08, June
6
, 2015, are
* libpng versions 1.2.6, August 15, 2004, through 1.6.18beta08, June
10
, 2015, are
* Copyright (c) 2004, 2006-2015 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:
...
...
@@ -360,7 +360,7 @@
* Y2K compliance in libpng:
* =========================
*
* June
6
, 2015
* June
10
, 2015
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
...
...
@@ -430,7 +430,7 @@
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.6.18beta08"
#define PNG_HEADER_VERSION_STRING \
" libpng version 1.6.18beta08 - June
6
, 2015\n"
" libpng version 1.6.18beta08 - June
10
, 2015\n"
#define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16
...
...
@@ -1634,14 +1634,6 @@ PNG_FIXED_EXPORT(209, void, png_set_filter_heuristics_fixed,
png_const_fixed_point_p
filter_costs
))
#endif
/* WRITE_WEIGHTED_FILTER */
/* Heuristic used for row filter selection. These defines should NOT be
* changed.
*/
#define PNG_FILTER_HEURISTIC_DEFAULT 0
/* Currently "UNWEIGHTED" */
#define PNG_FILTER_HEURISTIC_UNWEIGHTED 1
/* Used by libpng < 0.95 */
#define PNG_FILTER_HEURISTIC_WEIGHTED 2
/* Experimental feature */
#define PNG_FILTER_HEURISTIC_LAST 3
/* Not a valid value */
/* Set the library compression level. Currently, valid values range from
* 0 - 9, corresponding directly to the zlib compression levels 0 - 9
* (0 - no compression, 9 - "maximal" compression). Note that tests have
...
...
pngstruct.h
浏览文件 @
81487c8b
...
...
@@ -348,17 +348,7 @@ struct png_struct_def
png_bytep
quantize_index
;
/* index translation for palette files */
#endif
#ifdef PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
png_byte
heuristic_method
;
/* heuristic for row filter selection */
png_byte
num_prev_filters
;
/* number of weights for previous rows */
png_bytep
prev_filters
;
/* filter type(s) of previous row(s) */
png_uint_16p
filter_weights
;
/* weight(s) for previous line(s) */
png_uint_16p
inv_filter_weights
;
/* 1/weight(s) for previous line(s) */
png_uint_16p
filter_costs
;
/* relative filter calculation cost */
png_uint_16p
inv_filter_costs
;
/* 1/relative filter calculation cost */
#endif
/* Options */
/* Options */
#ifdef PNG_SET_OPTION_SUPPORTED
png_byte
options
;
/* On/off state (up to 4 options) */
#endif
...
...
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