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- Use hack to prevent Explorer crash.

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svn path=/trunk/; revision=26554
This commit is contained in:
Dmitry Gorbachev 2007-04-28 04:10:33 +00:00
parent 4b61211e6d
commit d36cd41e29
1 changed files with 33 additions and 33 deletions
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66
reactos/subsystems/win32/win32k/objects/dibobj.c
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@ -396,23 +396,23 @@ NtGdiGetDIBits(HDC hDC,
}
if (Bits == NULL)
{
{
if (Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
{
BITMAPCOREHEADER* coreheader = (BITMAPCOREHEADER*) Info;
{
BITMAPCOREHEADER* coreheader = (BITMAPCOREHEADER*) Info;
coreheader->bcWidth =BitmapObj->SurfObj.sizlBitmap.cx;
coreheader->bcPlanes = 1;
coreheader->bcBitCount = BitsPerFormat(BitmapObj->SurfObj.iBitmapFormat);
coreheader->bcBitCount = BitsPerFormat(BitmapObj->SurfObj.iBitmapFormat);
coreheader->bcHeight = BitmapObj->SurfObj.sizlBitmap.cy;
if (BitmapObj->SurfObj.lDelta > 0)
coreheader->bcHeight = -coreheader->bcHeight;
Result = BitmapObj->SurfObj.sizlBitmap.cy;
}
coreheader->bcHeight = BitmapObj->SurfObj.sizlBitmap.cy;
if (BitmapObj->SurfObj.lDelta > 0)
coreheader->bcHeight = -coreheader->bcHeight;
if (Info->bmiHeader.biSize == sizeof(BITMAPINFOHEADER))
{
Result = BitmapObj->SurfObj.sizlBitmap.cy;
}
if (Info->bmiHeader.biSize == sizeof(BITMAPINFOHEADER))
{
Info->bmiHeader.biWidth = BitmapObj->SurfObj.sizlBitmap.cx;
Info->bmiHeader.biHeight = BitmapObj->SurfObj.sizlBitmap.cy;
/* Report negtive height for top-down bitmaps. */
@ -453,7 +453,7 @@ NtGdiGetDIBits(HDC hDC,
else
{
if (StartScan > BitmapObj->SurfObj.sizlBitmap.cy)
{
{
Result = 0;
}
else
@ -462,34 +462,34 @@ NtGdiGetDIBits(HDC hDC,
DestSize.cx = BitmapObj->SurfObj.sizlBitmap.cx;
DestSize.cy = ScanLines;
DestBitmap = NULL;
if (Info->bmiHeader.biSize == sizeof(BITMAPINFOHEADER))
{
DestBitmap = EngCreateBitmap( DestSize,
DIB_GetDIBWidthBytes(DestSize.cx, Info->bmiHeader.biBitCount),
BitmapFormat(Info->bmiHeader.biBitCount, Info->bmiHeader.biCompression),
0 < Info->bmiHeader.biHeight ? 0 : BMF_TOPDOWN,
Bits);
}
DestBitmap = NULL;
if (Info->bmiHeader.biSize == sizeof(BITMAPINFOHEADER))
{
DestBitmap = EngCreateBitmap(DestSize,
/* DIB_GetDIBWidthBytes(DestSize.cx, Info->bmiHeader.biBitCount), */
DestSize.cx * (Info->bmiHeader.biBitCount >> 3), /* HACK */
BitmapFormat(Info->bmiHeader.biBitCount, Info->bmiHeader.biCompression),
0 < Info->bmiHeader.biHeight ? 0 : BMF_TOPDOWN,
Bits);
}
if (Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
{
BITMAPCOREHEADER* coreheader = (BITMAPCOREHEADER*) Info;
if (Info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
{
BITMAPCOREHEADER* coreheader = (BITMAPCOREHEADER*) Info;
DestBitmap = EngCreateBitmap( DestSize,
DIB_GetDIBWidthBytes(DestSize.cx, coreheader->bcBitCount),
BitmapFormat(coreheader->bcBitCount, BI_RGB),
0 < coreheader->bcHeight ? 0 : BMF_TOPDOWN,
Bits);
}
DestBitmap = EngCreateBitmap(DestSize,
DIB_GetDIBWidthBytes(DestSize.cx, coreheader->bcBitCount),
BitmapFormat(coreheader->bcBitCount, BI_RGB),
0 < coreheader->bcHeight ? 0 : BMF_TOPDOWN,
Bits);
}
if(DestBitmap == NULL)
{
BITMAPOBJ_UnlockBitmap(BitmapObj);
return 0;
}
DestSurfObj = EngLockSurface((HSURF)DestBitmap);
SourcePalette = PALETTE_LockPalette(hSourcePalette);