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wine
wine-winehq
Commits
1c25ee8c
Commit
1c25ee8c
authored
Aug 20, 2009
by
Vincent Povirk
Committed by
Alexandre Julliard
Aug 21, 2009
Browse files
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Plain Diff
windowscodecs: Implement CopyPixels for 8-bit ICO icons.
parent
ccc4c2d5
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
183 additions
and
2 deletions
+183
-2
icoformat.c
dlls/windowscodecs/icoformat.c
+183
-2
No files found.
dlls/windowscodecs/icoformat.c
View file @
1c25ee8c
...
@@ -24,6 +24,7 @@
...
@@ -24,6 +24,7 @@
#include "windef.h"
#include "windef.h"
#include "winbase.h"
#include "winbase.h"
#include "wingdi.h"
#include "objbase.h"
#include "objbase.h"
#include "wincodec.h"
#include "wincodec.h"
...
@@ -68,6 +69,7 @@ typedef struct {
...
@@ -68,6 +69,7 @@ typedef struct {
LONG
ref
;
LONG
ref
;
ICONDIRENTRY
entry
;
ICONDIRENTRY
entry
;
IcoDecoder
*
parent
;
IcoDecoder
*
parent
;
BYTE
*
bits
;
}
IcoFrameDecode
;
}
IcoFrameDecode
;
static
HRESULT
WINAPI
IcoFrameDecode_QueryInterface
(
IWICBitmapFrameDecode
*
iface
,
REFIID
iid
,
static
HRESULT
WINAPI
IcoFrameDecode_QueryInterface
(
IWICBitmapFrameDecode
*
iface
,
REFIID
iid
,
...
@@ -114,6 +116,7 @@ static ULONG WINAPI IcoFrameDecode_Release(IWICBitmapFrameDecode *iface)
...
@@ -114,6 +116,7 @@ static ULONG WINAPI IcoFrameDecode_Release(IWICBitmapFrameDecode *iface)
if
(
ref
==
0
)
if
(
ref
==
0
)
{
{
IUnknown_Release
((
IUnknown
*
)
This
->
parent
);
IUnknown_Release
((
IUnknown
*
)
This
->
parent
);
HeapFree
(
GetProcessHeap
(),
0
,
This
->
bits
);
HeapFree
(
GetProcessHeap
(),
0
,
This
);
HeapFree
(
GetProcessHeap
(),
0
,
This
);
}
}
...
@@ -154,11 +157,188 @@ static HRESULT WINAPI IcoFrameDecode_CopyPalette(IWICBitmapFrameDecode *iface,
...
@@ -154,11 +157,188 @@ static HRESULT WINAPI IcoFrameDecode_CopyPalette(IWICBitmapFrameDecode *iface,
return
WINCODEC_ERR_PALETTEUNAVAILABLE
;
return
WINCODEC_ERR_PALETTEUNAVAILABLE
;
}
}
static
inline
void
pixel_set_trans
(
DWORD
*
pixel
,
BOOL
transparent
)
{
if
(
transparent
)
*
pixel
=
0
;
else
*
pixel
|=
0xff000000
;
}
static
HRESULT
IcoFrameDecode_ReadPixels
(
IcoFrameDecode
*
This
)
{
BITMAPINFOHEADER
bih
;
DWORD
colors
[
256
];
UINT
colorcount
=
0
;
LARGE_INTEGER
seek
;
ULONG
bytesread
;
HRESULT
hr
;
BYTE
*
tempdata
=
NULL
;
BYTE
*
bits
=
NULL
;
UINT
bitsStride
;
UINT
bitsSize
;
UINT
width
,
height
;
width
=
This
->
entry
.
bWidth
?
This
->
entry
.
bWidth
:
256
;
height
=
This
->
entry
.
bHeight
?
This
->
entry
.
bHeight
:
256
;
/* read the BITMAPINFOHEADER */
seek
.
QuadPart
=
This
->
entry
.
dwDIBOffset
;
hr
=
IStream_Seek
(
This
->
parent
->
stream
,
seek
,
STREAM_SEEK_SET
,
NULL
);
if
(
FAILED
(
hr
))
goto
fail
;
hr
=
IStream_Read
(
This
->
parent
->
stream
,
&
bih
,
sizeof
(
BITMAPINFOHEADER
),
&
bytesread
);
if
(
FAILED
(
hr
)
||
bytesread
!=
sizeof
(
BITMAPINFOHEADER
))
goto
fail
;
if
(
This
->
entry
.
wBitCount
<=
8
)
{
/* read the palette */
colorcount
=
This
->
entry
.
bColorCount
?
This
->
entry
.
bColorCount
:
256
;
hr
=
IStream_Read
(
This
->
parent
->
stream
,
colors
,
sizeof
(
RGBQUAD
)
*
colorcount
,
&
bytesread
);
if
(
FAILED
(
hr
)
||
bytesread
!=
sizeof
(
RGBQUAD
)
*
colorcount
)
goto
fail
;
}
bitsStride
=
width
*
4
;
bitsSize
=
bitsStride
*
height
;
/* read the XOR data */
switch
(
This
->
entry
.
wBitCount
)
{
case
8
:
{
UINT
xorBytesPerRow
=
(
width
+
3
)
/
4
*
4
;
UINT
xorBytes
=
xorBytesPerRow
*
height
;
INT
xorStride
;
BYTE
*
xorRow
;
BYTE
*
bitsRow
;
UINT
x
,
y
;
tempdata
=
HeapAlloc
(
GetProcessHeap
(),
0
,
xorBytes
);
if
(
!
tempdata
)
{
hr
=
E_OUTOFMEMORY
;
goto
fail
;
}
hr
=
IStream_Read
(
This
->
parent
->
stream
,
tempdata
,
xorBytes
,
&
bytesread
);
if
(
FAILED
(
hr
)
||
bytesread
!=
xorBytes
)
goto
fail
;
if
(
bih
.
biHeight
>
0
)
/* bottom-up DIB */
{
xorStride
=
-
xorBytesPerRow
;
xorRow
=
tempdata
+
(
height
-
1
)
*
xorBytesPerRow
;
}
else
/* top-down DIB */
{
xorStride
=
xorBytesPerRow
;
xorRow
=
tempdata
;
}
bits
=
HeapAlloc
(
GetProcessHeap
(),
0
,
bitsSize
);
/* palette-map the 8-bit data */
bitsRow
=
bits
;
for
(
y
=
0
;
y
<
height
;
y
++
)
{
BYTE
*
xorByte
=
xorRow
;
DWORD
*
bitsPixel
=
(
DWORD
*
)
bitsRow
;
for
(
x
=
0
;
x
<
width
;
x
++
)
*
bitsPixel
++
=
colors
[
*
xorByte
++
];
xorRow
+=
xorStride
;
bitsRow
+=
bitsStride
;
}
HeapFree
(
GetProcessHeap
(),
0
,
tempdata
);
break
;
}
default:
FIXME
(
"unsupported bitcount: %u
\n
"
,
This
->
entry
.
wBitCount
);
goto
fail
;
}
if
(
This
->
entry
.
wBitCount
<
32
)
{
/* set alpha data based on the AND mask */
UINT
andBytesPerRow
=
(
width
+
31
)
/
32
*
4
;
UINT
andBytes
=
andBytesPerRow
*
height
;
INT
andStride
;
BYTE
*
andRow
;
BYTE
*
bitsRow
;
UINT
x
,
y
;
tempdata
=
HeapAlloc
(
GetProcessHeap
(),
0
,
andBytes
);
if
(
!
tempdata
)
{
hr
=
E_OUTOFMEMORY
;
goto
fail
;
}
hr
=
IStream_Read
(
This
->
parent
->
stream
,
tempdata
,
andBytes
,
&
bytesread
);
if
(
FAILED
(
hr
)
||
bytesread
!=
andBytes
)
goto
fail
;
if
(
bih
.
biHeight
>
0
)
/* bottom-up DIB */
{
andStride
=
-
andBytesPerRow
;
andRow
=
tempdata
+
(
height
-
1
)
*
andBytesPerRow
;
}
else
/* top-down DIB */
{
andStride
=
andBytesPerRow
;
andRow
=
tempdata
;
}
bitsRow
=
bits
;
for
(
y
=
0
;
y
<
height
;
y
++
)
{
BYTE
*
andByte
=
andRow
;
DWORD
*
bitsPixel
=
(
DWORD
*
)
bitsRow
;
for
(
x
=
0
;
x
<
width
;
x
+=
8
)
{
BYTE
andVal
=*
andByte
++
;
pixel_set_trans
(
bitsPixel
++
,
andVal
>>
7
&
1
);
if
(
x
+
1
<
width
)
pixel_set_trans
(
bitsPixel
++
,
andVal
>>
6
&
1
);
if
(
x
+
2
<
width
)
pixel_set_trans
(
bitsPixel
++
,
andVal
>>
5
&
1
);
if
(
x
+
3
<
width
)
pixel_set_trans
(
bitsPixel
++
,
andVal
>>
4
&
1
);
if
(
x
+
4
<
width
)
pixel_set_trans
(
bitsPixel
++
,
andVal
>>
3
&
1
);
if
(
x
+
5
<
width
)
pixel_set_trans
(
bitsPixel
++
,
andVal
>>
2
&
1
);
if
(
x
+
6
<
width
)
pixel_set_trans
(
bitsPixel
++
,
andVal
>>
1
&
1
);
if
(
x
+
7
<
width
)
pixel_set_trans
(
bitsPixel
++
,
andVal
&
1
);
}
andRow
+=
andStride
;
bitsRow
+=
bitsStride
;
}
HeapFree
(
GetProcessHeap
(),
0
,
tempdata
);
}
This
->
bits
=
bits
;
return
S_OK
;
fail:
HeapFree
(
GetProcessHeap
(),
0
,
tempdata
);
HeapFree
(
GetProcessHeap
(),
0
,
bits
);
if
(
SUCCEEDED
(
hr
))
hr
=
E_FAIL
;
TRACE
(
"<-- %x
\n
"
,
hr
);
return
hr
;
}
static
HRESULT
WINAPI
IcoFrameDecode_CopyPixels
(
IWICBitmapFrameDecode
*
iface
,
static
HRESULT
WINAPI
IcoFrameDecode_CopyPixels
(
IWICBitmapFrameDecode
*
iface
,
const
WICRect
*
prc
,
UINT
cbStride
,
UINT
cbBufferSize
,
BYTE
*
pbBuffer
)
const
WICRect
*
prc
,
UINT
cbStride
,
UINT
cbBufferSize
,
BYTE
*
pbBuffer
)
{
{
FIXME
(
"(%p,%p,%u,%u,%p): stub
\n
"
,
iface
,
prc
,
cbStride
,
cbBufferSize
,
pbBuffer
);
IcoFrameDecode
*
This
=
(
IcoFrameDecode
*
)
iface
;
return
E_NOTIMPL
;
HRESULT
hr
;
UINT
width
,
height
,
stride
;
TRACE
(
"(%p,%p,%u,%u,%p)
\n
"
,
iface
,
prc
,
cbStride
,
cbBufferSize
,
pbBuffer
);
if
(
!
This
->
bits
)
{
hr
=
IcoFrameDecode_ReadPixels
(
This
);
if
(
FAILED
(
hr
))
return
hr
;
}
width
=
This
->
entry
.
bWidth
?
This
->
entry
.
bWidth
:
256
;
height
=
This
->
entry
.
bHeight
?
This
->
entry
.
bHeight
:
256
;
stride
=
width
*
4
;
return
copy_pixels
(
32
,
This
->
bits
,
width
,
height
,
stride
,
prc
,
cbStride
,
cbBufferSize
,
pbBuffer
);
}
}
static
HRESULT
WINAPI
IcoFrameDecode_GetMetadataQueryReader
(
IWICBitmapFrameDecode
*
iface
,
static
HRESULT
WINAPI
IcoFrameDecode_GetMetadataQueryReader
(
IWICBitmapFrameDecode
*
iface
,
...
@@ -362,6 +542,7 @@ static HRESULT WINAPI IcoDecoder_GetFrame(IWICBitmapDecoder *iface,
...
@@ -362,6 +542,7 @@ static HRESULT WINAPI IcoDecoder_GetFrame(IWICBitmapDecoder *iface,
result
->
lpVtbl
=
&
IcoFrameDecode_Vtbl
;
result
->
lpVtbl
=
&
IcoFrameDecode_Vtbl
;
result
->
ref
=
1
;
result
->
ref
=
1
;
result
->
parent
=
This
;
result
->
parent
=
This
;
result
->
bits
=
NULL
;
/* read the icon entry */
/* read the icon entry */
seek
.
QuadPart
=
sizeof
(
ICONHEADER
)
+
sizeof
(
ICONDIRENTRY
)
*
index
;
seek
.
QuadPart
=
sizeof
(
ICONHEADER
)
+
sizeof
(
ICONDIRENTRY
)
*
index
;
...
...
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