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wine
wine-cw
Commits
a13899cc
Commit
a13899cc
authored
Jul 28, 2009
by
Vincent Povirk
Committed by
Alexandre Julliard
Aug 05, 2009
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windowscodecs: Implement IWICBitmapDecoderInfo::MatchesPattern.
parent
4e5ee369
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71 additions
and
2 deletions
+71
-2
info.c
dlls/windowscodecs/info.c
+71
-2
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dlls/windowscodecs/info.c
View file @
a13899cc
...
...
@@ -330,8 +330,77 @@ static HRESULT WINAPI BitmapDecoderInfo_GetPatterns(IWICBitmapDecoderInfo *iface
static
HRESULT
WINAPI
BitmapDecoderInfo_MatchesPattern
(
IWICBitmapDecoderInfo
*
iface
,
IStream
*
pIStream
,
BOOL
*
pfMatches
)
{
FIXME
(
"(%p,%p,%p): stub
\n
"
,
iface
,
pIStream
,
pfMatches
);
return
E_NOTIMPL
;
WICBitmapPattern
*
patterns
;
UINT
pattern_count
=
0
,
patterns_size
=
0
;
HRESULT
hr
;
int
i
,
pos
;
BYTE
*
data
=
NULL
;
ULONG
datasize
=
0
;
ULONG
bytesread
;
LARGE_INTEGER
seekpos
;
TRACE
(
"(%p,%p,%p)
\n
"
,
iface
,
pIStream
,
pfMatches
);
hr
=
BitmapDecoderInfo_GetPatterns
(
iface
,
0
,
NULL
,
&
pattern_count
,
&
patterns_size
);
if
(
FAILED
(
hr
))
return
hr
;
patterns
=
HeapAlloc
(
GetProcessHeap
(),
0
,
patterns_size
);
if
(
!
patterns
)
return
E_OUTOFMEMORY
;
hr
=
BitmapDecoderInfo_GetPatterns
(
iface
,
patterns_size
,
patterns
,
&
pattern_count
,
&
patterns_size
);
if
(
FAILED
(
hr
))
goto
end
;
for
(
i
=
0
;
i
<
pattern_count
;
i
++
)
{
if
(
datasize
<
patterns
[
i
].
Length
)
{
HeapFree
(
GetProcessHeap
(),
0
,
data
);
datasize
=
patterns
[
i
].
Length
;
data
=
HeapAlloc
(
GetProcessHeap
(),
0
,
patterns
[
i
].
Length
);
if
(
!
data
)
{
hr
=
E_OUTOFMEMORY
;
break
;
}
}
if
(
patterns
[
i
].
EndOfStream
)
seekpos
.
QuadPart
=
-
patterns
[
i
].
Position
.
QuadPart
;
else
seekpos
.
QuadPart
=
patterns
[
i
].
Position
.
QuadPart
;
hr
=
IStream_Seek
(
pIStream
,
seekpos
,
patterns
[
i
].
EndOfStream
?
STREAM_SEEK_END
:
STREAM_SEEK_SET
,
NULL
);
if
(
hr
==
STG_E_INVALIDFUNCTION
)
continue
;
/* before start of stream */
if
(
FAILED
(
hr
))
break
;
hr
=
IStream_Read
(
pIStream
,
data
,
patterns
[
i
].
Length
,
&
bytesread
);
if
(
hr
==
S_FALSE
||
(
hr
==
S_OK
&&
bytesread
!=
patterns
[
i
].
Length
))
/* past end of stream */
continue
;
if
(
FAILED
(
hr
))
break
;
for
(
pos
=
0
;
pos
<
patterns
[
i
].
Length
;
pos
++
)
{
if
((
data
[
pos
]
&
patterns
[
i
].
Mask
[
pos
])
!=
patterns
[
i
].
Pattern
[
pos
])
break
;
}
if
(
pos
==
patterns
[
i
].
Length
)
/* matches pattern */
{
hr
=
S_OK
;
*
pfMatches
=
TRUE
;
break
;
}
}
if
(
i
==
pattern_count
)
/* does not match any pattern */
{
hr
=
S_OK
;
*
pfMatches
=
FALSE
;
}
end:
HeapFree
(
GetProcessHeap
(),
0
,
patterns
);
HeapFree
(
GetProcessHeap
(),
0
,
data
);
return
hr
;
}
static
HRESULT
WINAPI
BitmapDecoderInfo_CreateInstance
(
IWICBitmapDecoderInfo
*
iface
,
...
...
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