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Third Party Libpng
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36fa2a0a
T
Third Party Libpng
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体验新版 GitCode,发现更多精彩内容 >>
提交
36fa2a0a
编写于
5月 11, 2011
作者:
G
Glenn Randers-Pehrson
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
[devel] Check for up->location !PNG_AFTER_IDAT when writing unknown chunks
before IDAT.
上级
2d3fc1ca
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
12 addition
and
3 deletion
+12
-3
ANNOUNCE
ANNOUNCE
+2
-0
CHANGES
CHANGES
+2
-0
pngwrite.c
pngwrite.c
+8
-3
未找到文件。
ANNOUNCE
浏览文件 @
36fa2a0a
...
...
@@ -109,6 +109,8 @@ Version 1.5.3beta07 [May 11, 2011]
Moved macro definitions for PNG_HAVE_IHDR, PNG_HAVE_PLTE, and PNG_AFTER_IDAT
from pngpriv.h to png.h because they must be visible to applications
that call png_set_unknown_chunks().
Check for up->location !PNG_AFTER_IDAT when writing unknown chunks
before IDAT.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net:
(subscription required; visit
...
...
CHANGES
浏览文件 @
36fa2a0a
...
...
@@ -3368,6 +3368,8 @@ Version 1.5.3beta07 [May 11, 2011]
Moved macro definitions for PNG_HAVE_IHDR, PNG_HAVE_PLTE, and PNG_AFTER_IDAT
from pngpriv.h to png.h because they must be visible to applications
that call png_set_unknown_chunks().
Check for up->location !PNG_AFTER_IDAT when writing unknown chunks
before IDAT.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
...
...
pngwrite.c
浏览文件 @
36fa2a0a
...
...
@@ -99,8 +99,10 @@ png_write_info_before_PLTE(png_structp png_ptr, png_infop info_ptr)
int
keep
=
png_handle_as_unknown
(
png_ptr
,
up
->
name
);
if
(
keep
!=
PNG_HANDLE_CHUNK_NEVER
&&
up
->
location
&&
!
(
up
->
location
&
PNG_HAVE_PLTE
)
&&
up
->
location
&&
!
(
up
->
location
&
PNG_HAVE_PLTE
)
&&
!
(
up
->
location
&
PNG_HAVE_IDAT
)
&&
!
(
up
->
location
&
PNG_AFTER_IDAT
)
&&
((
up
->
name
[
3
]
&
0x20
)
||
keep
==
PNG_HANDLE_CHUNK_ALWAYS
||
(
png_ptr
->
flags
&
PNG_FLAG_KEEP_UNSAFE_CHUNKS
)))
{
...
...
@@ -273,8 +275,10 @@ png_write_info(png_structp png_ptr, png_infop info_ptr)
{
int
keep
=
png_handle_as_unknown
(
png_ptr
,
up
->
name
);
if
(
keep
!=
PNG_HANDLE_CHUNK_NEVER
&&
up
->
location
&&
(
up
->
location
&
PNG_HAVE_PLTE
)
&&
up
->
location
&&
(
up
->
location
&
PNG_HAVE_PLTE
)
&&
!
(
up
->
location
&
PNG_HAVE_IDAT
)
&&
!
(
up
->
location
&
PNG_AFTER_IDAT
)
&&
((
up
->
name
[
3
]
&
0x20
)
||
keep
==
PNG_HANDLE_CHUNK_ALWAYS
||
(
png_ptr
->
flags
&
PNG_FLAG_KEEP_UNSAFE_CHUNKS
)))
{
...
...
@@ -380,7 +384,8 @@ png_write_end(png_structp png_ptr, png_infop info_ptr)
{
int
keep
=
png_handle_as_unknown
(
png_ptr
,
up
->
name
);
if
(
keep
!=
PNG_HANDLE_CHUNK_NEVER
&&
up
->
location
&&
(
up
->
location
&
PNG_AFTER_IDAT
)
&&
up
->
location
&&
(
up
->
location
&
PNG_AFTER_IDAT
)
&&
((
up
->
name
[
3
]
&
0x20
)
||
keep
==
PNG_HANDLE_CHUNK_ALWAYS
||
(
png_ptr
->
flags
&
PNG_FLAG_KEEP_UNSAFE_CHUNKS
)))
{
...
...
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