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Basic implementation of NtGdiSetDIBitsToDeviceInternal()

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todo: handle XlateObj
Now apparition (open source pdf viewer) works on ros.

svn path=/trunk/; revision=29248
This commit is contained in:
Timo Kreuzer 2007-09-27 17:04:29 +00:00
parent ccc37f538c
commit f36fe07cbe
1 changed files with 111 additions and 2 deletions
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113
reactos/subsystems/win32/win32k/objects/dibobj.c
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@ -332,8 +332,117 @@ NtGdiSetDIBitsToDeviceInternal(
IN OPTIONAL HANDLE hcmXform
)
{
UNIMPLEMENTED;
return 0;
INT ret = 0;
NTSTATUS Status = STATUS_SUCCESS;
PDC pDC;
HBITMAP hSourceBitmap = NULL;
SURFOBJ *pDestSurf = NULL, *pSourceSurf = NULL;
RECTL rcDest;
POINTL ptSource;
INT DIBWidth;
SIZEL SourceSize;
XLATEOBJ *XlateObj = NULL;
pDC = DC_LockDc(hDC);
if (!pDC)
{
SetLastWin32Error(ERROR_INVALID_HANDLE);
return 0;
}
if (pDC->IsIC)
{
DC_UnlockDc(pDC);
return 0;
}
pDestSurf = EngLockSurface((HSURF)pDC->w.hBitmap);
if (!pDestSurf)
{
/* FIXME: SetLastError ? */
DC_UnlockDc(pDC);
return 0;
}
SourceSize.cx = bmi->bmiHeader.biWidth;
SourceSize.cy = ScanLines;
DIBWidth = DIB_GetDIBWidthBytes(SourceSize.cx, bmi->bmiHeader.biBitCount);
rcDest.left = XDest;
rcDest.top = YDest;
rcDest.right = XDest + Width;
rcDest.bottom = YDest + Height;
ptSource.x = XSrc;
ptSource.y = YSrc;
/* Enter SEH, as the bits are user mode */
_SEH_TRY
{
hSourceBitmap = EngCreateBitmap(SourceSize,
DIBWidth,
BitmapFormat(bmi->bmiHeader.biBitCount, bmi->bmiHeader.biCompression),
bmi->bmiHeader.biHeight < 0 ? BMF_TOPDOWN : 0,
(PVOID) Bits);
if (!hSourceBitmap)
{
SetLastWin32Error(ERROR_NO_SYSTEM_RESOURCES);
Status = STATUS_NO_MEMORY;
_SEH_LEAVE;
}
pSourceSurf = EngLockSurface((HSURF)hSourceBitmap);
if (!pSourceSurf)
{
Status = STATUS_UNSUCCESSFUL;
_SEH_LEAVE;
}
/* FIXME: handle XlateObj */
XlateObj = NULL;
/* Copy the bits */
Status = IntEngBitBlt(pDestSurf,
pSourceSurf,
NULL,
pDC->CombinedClip,
XlateObj,
&rcDest,
&ptSource,
NULL,
NULL,
NULL,
ROP3_TO_ROP4(SRCCOPY));
}
_SEH_HANDLE
{
Status = _SEH_GetExceptionCode();
}
_SEH_END
if (NT_SUCCESS(Status))
{
/* FIXME: Should probably be only the number of lines actually copied */
ret = ScanLines;
}
if (pSourceSurf)
{
EngUnlockSurface(pSourceSurf);
}
if (hSourceBitmap)
{
EngDeleteSurface((HSURF)hSourceBitmap);
}
if (pDestSurf)
{
EngUnlockSurface(pDestSurf);
}
DC_UnlockDc(pDC);
return ret;
}
/* Converts a device-dependent bitmap to a DIB */