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Third Party Libpng
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0fcbf05b
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Third Party Libpng
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Third Party Libpng
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体验新版 GitCode,发现更多精彩内容 >>
提交
0fcbf05b
编写于
5月 18, 2009
作者:
G
Glenn Randers-Pehrson
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电子邮件补丁
差异文件
Revert "Set png_ptr->old_prev_row_size=0 to force prev_row to be cleared"
This reverts commit
f4276c36
.
上级
f4276c36
变更
4
隐藏空白更改
内联
并排
Showing
4 changed file
with
8 addition
and
15 deletion
+8
-15
ANNOUNCE
ANNOUNCE
+0
-2
CHANGES
CHANGES
+0
-2
pngpread.c
pngpread.c
+4
-6
pngrutil.c
pngrutil.c
+4
-5
未找到文件。
ANNOUNCE
浏览文件 @
0fcbf05b
...
...
@@ -54,8 +54,6 @@ version 1.2.37beta01 [May 14, 2009]
version 1.2.37beta02 [May 16, 2009]
Fixed typo in libpng documentation (FILTER_AVE should be FILTER_AVG)
Relocated misplaced #endif in pngwrite.c, sCAL chunk handler.
In pngpread.c and pngrutil.c, set png_ptr->old_prev_row_size=0 to
force the prev_row array to be cleared before row 0 of each pass.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
...
...
CHANGES
浏览文件 @
0fcbf05b
...
...
@@ -2379,8 +2379,6 @@ version 1.2.37beta01 [May 14, 2009]
version 1.2.37beta02 [May 16, 2009]
Fixed typo in libpng documentation (FILTER_AVE should be FILTER_AVG)
Relocated misplaced #endif in pngwrite.c, sCAL chunk handler.
In pngpread.c and pngrutil.c, set png_ptr->old_prev_row_size=0 to
force the prev_row array to be cleared before row 0 of each pass.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
...
...
pngpread.c
浏览文件 @
0fcbf05b
/* pngpread.c - read a png file in push mode
*
* Last changed in libpng 1.2.3
7 [May 16, 2009
]
* Last changed in libpng 1.2.3
2 [September 18, 2008
]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-200
9
Glenn Randers-Pehrson
* Copyright (c) 1998-200
8
Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*/
...
...
@@ -1013,12 +1013,11 @@ png_read_push_finish_row(png_structp png_ptr)
if
(
png_ptr
->
row_number
<
png_ptr
->
num_rows
)
return
;
png_ptr
->
old_prev_row_size
=
0
;
/* Force clearing prev_row */
#ifdef PNG_READ_INTERLACING_SUPPORTED
if
(
png_ptr
->
interlaced
)
{
png_ptr
->
row_number
=
0
;
png_memset_check
(
png_ptr
,
png_ptr
->
prev_row
,
0
,
png_ptr
->
rowbytes
+
1
);
do
{
png_ptr
->
pass
++
;
...
...
@@ -1050,7 +1049,6 @@ png_read_push_finish_row(png_structp png_ptr)
}
while
(
png_ptr
->
iwidth
==
0
||
png_ptr
->
num_rows
==
0
);
}
#endif
/* PNG_READ_INTERLACING_SUPPORTED */
}
#if defined(PNG_READ_tEXt_SUPPORTED)
...
...
pngrutil.c
浏览文件 @
0fcbf05b
/* pngrutil.c - utilities to read a PNG file
*
* Last changed in libpng 1.2.37 [May 1
6
, 2009]
* Last changed in libpng 1.2.37 [May 1
5
, 2009]
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2009 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
...
...
@@ -2913,13 +2913,12 @@ png_read_finish_row(png_structp png_ptr)
if
(
png_ptr
->
row_number
<
png_ptr
->
num_rows
)
return
;
/* Force prev_row to be cleared. */
png_ptr
->
old_prev_row_size
=
0
;
#ifdef PNG_READ_INTERLACING_SUPPORTED
if
(
png_ptr
->
interlaced
)
{
png_ptr
->
row_number
=
0
;
png_memset_check
(
png_ptr
,
png_ptr
->
prev_row
,
0
,
png_ptr
->
rowbytes
+
1
);
do
{
png_ptr
->
pass
++
;
...
...
@@ -3188,7 +3187,7 @@ defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)
if
(
row_bytes
+
64
>
png_ptr
->
old_big_row_buf_size
)
{
png_free
(
png_ptr
,
png_ptr
->
big_row_buf
);
png_ptr
->
big_row_buf
=
(
png_bytep
)
png_malloc
(
png_ptr
,
row_bytes
+
64
);
png_ptr
->
big_row_buf
=
(
png_bytep
)
png_malloc
(
png_ptr
,
row_bytes
+
64
);
if
(
png_ptr
->
interlaced
)
png_memset
(
png_ptr
->
big_row_buf
,
0
,
row_bytes
+
64
);
png_ptr
->
row_buf
=
png_ptr
->
big_row_buf
+
32
;
...
...
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