BOOL
NTAPI
DC_Cleanup(PVOID ObjectBody)
{
PDC pdc = (PDC)ObjectBody;
/* Free DC_ATTR */
DC_vFreeDcAttr(pdc);
/* Delete saved DCs */
DC_vRestoreDC(pdc, 1);
/* Deselect dc objects */
DC_vSelectSurface(pdc, NULL);
DC_vSelectFillBrush(pdc, NULL);
DC_vSelectLineBrush(pdc, NULL);
DC_vSelectPalette(pdc, NULL);
/* Cleanup the dc brushes */
EBRUSHOBJ_vCleanup(&pdc->eboFill);
EBRUSHOBJ_vCleanup(&pdc->eboLine);
EBRUSHOBJ_vCleanup(&pdc->eboText);
EBRUSHOBJ_vCleanup(&pdc->eboBackground);
/* Release font */
LFONT_ShareUnlockFont(pdc->dclevel.plfnt);
/* Free regions */
if (pdc->rosdc.hClipRgn && GreIsHandleValid(pdc->rosdc.hClipRgn))
GreDeleteObject(pdc->rosdc.hClipRgn);
if (pdc->prgnVis)
{
REGION_Delete(pdc->prgnVis);
}
if (pdc->rosdc.hGCClipRgn && GreIsHandleValid(pdc->rosdc.hGCClipRgn))
{
GreDeleteObject(pdc->rosdc.hGCClipRgn);
}
if (NULL != pdc->rosdc.CombinedClip)
IntEngDeleteClipRegion(pdc->rosdc.CombinedClip);
PATH_Delete(pdc->dclevel.hPath);
if(pdc->dclevel.pSurface)
SURFACE_ShareUnlockSurface(pdc->dclevel.pSurface);
PDEVOBJ_vRelease(pdc->ppdev) ;
return TRUE;
}
VOID
NTAPI
DC_vCleanup(PVOID ObjectBody)
{
PDC pdc = (PDC)ObjectBody;
/* Free DC_ATTR */
DC_vFreeDcAttr(pdc);
/* Delete saved DCs */
DC_vRestoreDC(pdc, 1);
/* Deselect dc objects */
DC_vSelectSurface(pdc, NULL);
DC_vSelectFillBrush(pdc, NULL);
DC_vSelectLineBrush(pdc, NULL);
DC_vSelectPalette(pdc, NULL);
/* Cleanup the dc brushes */
EBRUSHOBJ_vCleanup(&pdc->eboFill);
EBRUSHOBJ_vCleanup(&pdc->eboLine);
EBRUSHOBJ_vCleanup(&pdc->eboText);
EBRUSHOBJ_vCleanup(&pdc->eboBackground);
/* Release font */
LFONT_ShareUnlockFont(pdc->dclevel.plfnt);
/* Free regions */
if (pdc->dclevel.prgnClip)
REGION_Delete(pdc->dclevel.prgnClip);
if (pdc->dclevel.prgnMeta)
REGION_Delete(pdc->dclevel.prgnMeta);
if (pdc->prgnVis)
REGION_Delete(pdc->prgnVis);
if (pdc->prgnRao)
REGION_Delete(pdc->prgnRao);
if (pdc->prgnAPI)
REGION_Delete(pdc->prgnAPI);
/* Free CLIPOBJ resources */
IntEngFreeClipResources(&pdc->co);
PATH_Delete(pdc->dclevel.hPath);
if(pdc->dclevel.pSurface)
SURFACE_ShareUnlockSurface(pdc->dclevel.pSurface);
PDEVOBJ_vRelease(pdc->ppdev) ;
}
/*
* @implemented
*/
HBITMAP
APIENTRY
NtGdiSelectBitmap(
IN HDC hdc,
IN HBITMAP hbmp)
{
PDC pdc;
PDC_ATTR pdcattr;
HBITMAP hbmpOld;
PSURFACE psurfNew;
HRGN hVisRgn;
SIZEL sizlBitmap = {1, 1};
HDC hdcOld;
ASSERT_NOGDILOCKS();
/* Verify parameters */
if (hdc == NULL || hbmp == NULL) return NULL;
/* First lock the DC */
pdc = DC_LockDc(hdc);
if (!pdc)
{
return NULL;
}
pdcattr = pdc->pdcattr;
/* Must be a memory dc to select a bitmap */
if (pdc->dctype != DC_TYPE_MEMORY)
{
DC_UnlockDc(pdc);
return NULL;
}
/* Check if there was a bitmap selected before */
if (pdc->dclevel.pSurface)
{
/* Return its handle */
hbmpOld = pdc->dclevel.pSurface->BaseObject.hHmgr;
}
else
{
/* Return default bitmap */
hbmpOld = StockObjects[DEFAULT_BITMAP];
}
/* Check if the default bitmap was passed */
if (hbmp == StockObjects[DEFAULT_BITMAP])
{
psurfNew = NULL;
// HACK
psurfNew = SURFACE_ShareLockSurface(hbmp);
}
else
{
/* Reference the new bitmap and check if it's valid */
psurfNew = SURFACE_ShareLockSurface(hbmp);
if (!psurfNew)
{
DC_UnlockDc(pdc);
return NULL;
}
/* Set the bitmp's hdc */
hdcOld = InterlockedCompareExchangePointer((PVOID*)&psurfNew->hdc, hdc, 0);
if (hdcOld != NULL && hdcOld != hdc)
{
/* The bitmap is already selected, fail */
SURFACE_ShareUnlockSurface(psurfNew);
DC_UnlockDc(pdc);
return NULL;
}
/* Get the bitmap size */
sizlBitmap = psurfNew->SurfObj.sizlBitmap;
/* Check if the bitmap is a dibsection */
if(psurfNew->hSecure)
{
/* Set DIBSECTION attribute */
pdcattr->ulDirty_ |= DC_DIBSECTION;
}
else
{
pdcattr->ulDirty_ &= ~DC_DIBSECTION;
}
}
/* Select the new surface, release the old */
DC_vSelectSurface(pdc, psurfNew);
/* Set the new size */
pdc->dclevel.sizl = sizlBitmap;
/* Release one reference we added */
SURFACE_ShareUnlockSurface(psurfNew);
/* Mark the dc brushes invalid */
pdcattr->ulDirty_ |= DIRTY_FILL | DIRTY_LINE;
/* Unlock the DC */
DC_UnlockDc(pdc);
/* FIXME; improve by using a region without a handle and selecting it */
hVisRgn = IntSysCreateRectRgn( 0,
0,
sizlBitmap.cx,
sizlBitmap.cy);
if (hVisRgn)
{
GdiSelectVisRgn(hdc, hVisRgn);
GreDeleteObject(hVisRgn);
}
/* Return the old bitmap handle */
return hbmpOld;
}