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Added IntEngStretchBlt() implementation.

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If your video driver supports DrvStretchBlt(), it should already work.

svn path=/trunk/; revision=6912
This commit is contained in:
Aleksey Bragin 2003-12-08 11:11:11 +00:00
parent d4638a1fd5
commit c7588268ef
1 changed files with 106 additions and 1 deletions
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107
reactos/subsys/win32k/eng/bitblt.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: bitblt.c,v 1.29 2003/11/18 20:49:39 navaraf Exp $
/* $Id: bitblt.c,v 1.30 2003/12/08 11:11:11 fireball Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -471,4 +471,109 @@ IntEngBitBlt(SURFOBJ *DestObj,
return ret;
}
BOOL STDCALL
IntEngStretchBlt(SURFOBJ *DestObj,
SURFOBJ *SourceObj,
SURFOBJ *Mask,
CLIPOBJ *ClipRegion,
XLATEOBJ *ColorTranslation,
RECTL *DestRect,
RECTL *SourceRect,
POINTL *pMaskOrigin,
BRUSHOBJ *Brush,
POINTL *BrushOrigin,
ULONG Mode)
{
BOOLEAN ret;
SURFGDI *DestGDI;
SURFGDI *SourceGDI;
RECTL OutputRect;
RECTL InputRect;
COLORADJUSTMENT ca;
POINT MaskOrigin;
if (pMaskOrigin != NULL)
{
MaskOrigin.x = pMaskOrigin->x; MaskOrigin.y = pMaskOrigin->y;
}
if (NULL != SourceRect)
{
InputRect = *SourceRect;
}
// FIXME: Clipping is taken from IntEngBitBlt w/o modifications!
/* Clip against the bounds of the clipping region so we won't try to write
* outside the surface */
if (NULL != ClipRegion)
{
if (! EngIntersectRect(&OutputRect, DestRect, &ClipRegion->rclBounds))
{
return TRUE;
}
DPRINT("Clipping isn't handled in IntEngStretchBlt() correctly yet\n");
//InputPoint.x += OutputRect.left - DestRect->left;
//InputPoint.y += OutputRect.top - DestRect->top;
}
else
{
OutputRect = *DestRect;
}
if (NULL != SourceObj)
{
SourceGDI = (SURFGDI*) AccessInternalObjectFromUserObject(SourceObj);
MouseSafetyOnDrawStart(SourceObj, SourceGDI, InputRect.left, InputRect.top,
(InputRect.left + abs(InputRect.right - InputRect.left)),
(InputRect.top + abs(InputRect.bottom - InputRect.top)));
}
/* No success yet */
ret = FALSE;
DestGDI = (SURFGDI*)AccessInternalObjectFromUserObject(DestObj);
MouseSafetyOnDrawStart(DestObj, DestGDI, OutputRect.left, OutputRect.top,
OutputRect.right, OutputRect.bottom);
/* Prepare color adjustment */
/* Call the driver's DrvStretchBlt if available */
if (NULL != DestGDI->StretchBlt)
{
/* Drv->StretchBlt params: (look at http://www.osr.com/ddk/graphics/ddifncs_3ew7.htm )
SURFOBJ *psoDest
SURFOBJ *psoSrc
SURFOBJ *psoMask // optional, if it exists, then rop4=0xCCAA, otherwise rop4=0xCCCC
CLIPOBJ *pco
XLATEOBJ *pxlo
COLORADJUSTMENT *pca
POINTL *pptlHTOrg
RECTL *prclDest
RECTL *prclSrc
POINTL *pptlMask // is it * or not?!
ULONG iMode
*/
//DPRINT1("Calling DrvStretchBlt(%x, %x, %x, %x, %x, ca, %x)...\n", DestObj, SourceObj, Mask, ClipRegion, ColorTranslation, BrushOrigin);
ret = DestGDI->StretchBlt(DestObj, SourceObj, Mask, ClipRegion, ColorTranslation,
&ca, BrushOrigin, &OutputRect, &InputRect, NULL, Mode); // FIXME: MaskOrigin is NULL !
}
if (! ret)
{
ret = FALSE;
//ret = EngBitBlt(DestObj, SourceObj, Mask, ClipRegion, ColorTranslation,
// &OutputRect, &InputPoint, MaskOrigin, Brush, BrushOrigin,
// Rop4);
}
MouseSafetyOnDrawEnd(DestObj, DestGDI);
if (NULL != SourceObj)
{
MouseSafetyOnDrawEnd(SourceObj, SourceGDI);
}
return ret;
}
/* EOF */