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PatchPatch by Stefan Ginsberg (stefan__100__ AT hotmail DOT com): Gdi32 half only: Implement SetDIBits, I made corrections to the patch to handle palette and proper hdc handling.

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svn path=/trunk/; revision=33028
This commit is contained in:
James Tabor 2008-04-18 23:51:29 +00:00
parent 6ef8c13ebf
commit 9f9e67d83d
2 changed files with 93 additions and 17 deletions
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17
reactos/dll/win32/gdi32/misc/hacks.c
View file

@ -10,23 +10,6 @@
*
*/
/*
* @unimplemented
*/
int
STDCALL
SetDIBits(HDC hdc,
HBITMAP hbmp,
UINT uStartScan,
UINT cScanLines,
CONST VOID *lpvBits,
CONST BITMAPINFO *lpbmi,
UINT fuColorUse)
{
/* FIXME share memory */
return NtGdiSetDIBits(hdc, hbmp, uStartScan, cScanLines, lpvBits, lpbmi, fuColorUse);
}
/*
* @implemented
*

93
reactos/dll/win32/gdi32/objects/bitmap.c
View file

@ -295,3 +295,96 @@ CreateDIBitmap( HDC hDC,
0);
}
/*
* @implemented
*/
INT
STDCALL
SetDIBits(HDC hDC,
HBITMAP hBitmap,
UINT uStartScan,
UINT cScanLines,
CONST VOID *lpvBits,
CONST BITMAPINFO *lpbmi,
UINT fuColorUse)
{
HDC hDCc, SavehDC, nhDC;
DWORD dwWidth, dwHeight;
HGDIOBJ hOldBitmap;
HPALETTE hPal = NULL;
INT LinesCopied = 0;
BOOL newDC = FALSE;
if ( !lpvBits || (GDI_HANDLE_GET_TYPE(hBitmap) != GDI_OBJECT_TYPE_BITMAP) )
return 0;
if ( lpbmi )
{
if ( lpbmi->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER) )
{
if ( lpbmi->bmiHeader.biCompression == BI_JPEG || lpbmi->bmiHeader.biCompression == BI_PNG )
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
}
}
hDCc = NtGdiGetDCforBitmap(hBitmap);
SavehDC = hDCc;
if ( !hDCc )
{
nhDC = CreateCompatibleDC(hDC);
if ( !nhDC ) return 0;
newDC = TRUE;
SavehDC = nhDC;
}
else if ( !SaveDC(hDCc) )
return 0;
hOldBitmap = SelectObject(SavehDC, hBitmap);
if ( hOldBitmap )
{
if ( hDC )
hPal = SelectPalette(SavehDC, (HPALETTE)GetDCObject(hDC, GDI_OBJECT_TYPE_PALETTE), FALSE);
if ( lpbmi->bmiHeader.biSize < sizeof(BITMAPINFOHEADER))
{
PBITMAPCOREINFO pbci = (PBITMAPCOREINFO) lpbmi;
dwWidth = pbci->bmciHeader.bcWidth;
dwHeight = pbci->bmciHeader.bcHeight;
}
else
{
dwWidth = lpbmi->bmiHeader.biWidth;
dwHeight = abs(lpbmi->bmiHeader.biHeight);
}
LinesCopied = SetDIBitsToDevice(SavehDC,
0,
0,
dwWidth,
dwHeight,
0,
0,
uStartScan,
cScanLines,
(void *)lpvBits,
(LPBITMAPINFO)lpbmi,
fuColorUse);
if ( hDC ) SelectPalette(SavehDC, hPal, FALSE);
SelectObject(SavehDC, hOldBitmap);
}
if ( newDC )
DeleteDC((HDC)SavehDC);
else
RestoreDC((HDC)SavehDC, -1);
return LinesCopied;
}