static
void
DC_vUpdateDC(PDC pdc)
{
// PREGION VisRgn ;
PPDEVOBJ ppdev = pdc->ppdev ;
pdc->dhpdev = ppdev->dhpdev;
SURFACE_ShareUnlockSurface(pdc->dclevel.pSurface);
pdc->dclevel.pSurface = PDEVOBJ_pSurface(ppdev);
PDEVOBJ_sizl(pdc->ppdev, &pdc->dclevel.sizl);
#if 0
VisRgn = IntSysCreateRectpRgn(0, 0, pdc->dclevel.sizl.cx, pdc->dclevel.sizl.cy);
ASSERT(VisRgn);
GdiSelectVisRgn(pdc->BaseObject.hHmgr, VisRgn);
REGION_Delete(VisRgn);
#endif
pdc->flGraphicsCaps = ppdev->devinfo.flGraphicsCaps;
pdc->flGraphicsCaps2 = ppdev->devinfo.flGraphicsCaps2;
/* Mark EBRUSHOBJs as dirty */
pdc->pdcattr->ulDirty_ |= DIRTY_DEFAULT ;
}
void
DC_InitHack(PDC pdc)
{
HRGN hVisRgn;
TextIntRealizeFont(pdc->pdcattr->hlfntNew,NULL);
pdc->pdcattr->iCS_CP = ftGdiGetTextCharsetInfo(pdc,NULL,0);
/* This should never fail */
ASSERT(pdc->dclevel.ppal);
/* Select regions */
pdc->rosdc.hClipRgn = NULL;
pdc->rosdc.hGCClipRgn = NULL;
hVisRgn = IntSysCreateRectRgn(0, 0, 1, 1);
ASSERT(hVisRgn);
GdiSelectVisRgn(pdc->BaseObject.hHmgr, hVisRgn);
GreDeleteObject(hVisRgn);
}
static
void
DC_vUpdateDC(PDC pdc)
{
HRGN hVisRgn ;
PPDEVOBJ ppdev = pdc->ppdev ;
pdc->dhpdev = ppdev->dhpdev;
SURFACE_ShareUnlockSurface(pdc->dclevel.pSurface);
pdc->dclevel.pSurface = PDEVOBJ_pSurface(ppdev);
PDEVOBJ_sizl(pdc->ppdev, &pdc->dclevel.sizl);
hVisRgn = NtGdiCreateRectRgn(0, 0, pdc->dclevel.sizl.cx, pdc->dclevel.sizl.cy);
ASSERT(hVisRgn);
GdiSelectVisRgn(pdc->BaseObject.hHmgr, hVisRgn);
GreDeleteObject(hVisRgn);
pdc->flGraphicsCaps = ppdev->devinfo.flGraphicsCaps;
pdc->flGraphicsCaps2 = ppdev->devinfo.flGraphicsCaps2;
/* Mark EBRUSHOBJs as dirty */
pdc->pdcattr->ulDirty_ |= DIRTY_DEFAULT ;
}
/*
* @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;
}
VOID
FASTCALL
DceUpdateVisRgn(DCE *Dce, PWND Window, ULONG Flags)
{
PREGION RgnVisible = NULL;
ULONG DcxFlags;
PWND DesktopWindow;
if (Flags & DCX_PARENTCLIP)
{
PWND Parent;
Parent = Window->spwndParent;
if (!Parent)
{
RgnVisible = NULL;
goto noparent;
}
if (Parent->style & WS_CLIPSIBLINGS)
{
DcxFlags = DCX_CLIPSIBLINGS |
(Flags & ~(DCX_CLIPCHILDREN | DCX_WINDOW));
}
else
{
DcxFlags = Flags & ~(DCX_CLIPSIBLINGS | DCX_CLIPCHILDREN | DCX_WINDOW);
}
RgnVisible = DceGetVisRgn(Parent, DcxFlags, Window->head.h, Flags);
}
else if (Window == NULL)
{
DesktopWindow = UserGetWindowObject(IntGetDesktopWindow());
if (NULL != DesktopWindow)
{
RgnVisible = IntSysCreateRectpRgnIndirect(&DesktopWindow->rcWindow);
}
else
{
RgnVisible = NULL;
}
}
else
{
RgnVisible = DceGetVisRgn(Window, Flags, 0, 0);
}
noparent:
if (Flags & DCX_INTERSECTRGN)
{
PREGION RgnClip = NULL;
if (Dce->hrgnClip != NULL)
RgnClip = REGION_LockRgn(Dce->hrgnClip);
if (RgnClip)
{
IntGdiCombineRgn(RgnVisible, RgnVisible, RgnClip, RGN_AND);
REGION_UnlockRgn(RgnClip);
}
else
{
if (RgnVisible != NULL)
{
REGION_Delete(RgnVisible);
}
RgnVisible = IntSysCreateRectpRgn(0, 0, 0, 0);
}
}
else if ((Flags & DCX_EXCLUDERGN) && Dce->hrgnClip != NULL)
{
PREGION RgnClip = REGION_LockRgn(Dce->hrgnClip);
IntGdiCombineRgn(RgnVisible, RgnVisible, RgnClip, RGN_DIFF);
REGION_UnlockRgn(RgnClip);
}
Dce->DCXFlags &= ~DCX_DCEDIRTY;
GdiSelectVisRgn(Dce->hDC, RgnVisible);
/* Tell GDI driver */
if (Window)
IntEngWindowChanged(Window, WOC_RGN_CLIENT);
if (RgnVisible != NULL)
{
REGION_Delete(RgnVisible);
}
}
