VOID
NTAPI
DC_vSetOwner(PDC pdc, ULONG ulOwner)
{
if (pdc->rosdc.hClipRgn)
{
IntGdiSetRegionOwner(pdc->rosdc.hClipRgn, ulOwner);
}
if (pdc->rosdc.hGCClipRgn)
{
IntGdiSetRegionOwner(pdc->rosdc.hGCClipRgn, ulOwner);
}
if (pdc->dclevel.hPath)
{
GreSetObjectOwner(pdc->dclevel.hPath, ulOwner);
}
/* Dereference current brush and pen */
BRUSH_ShareUnlockBrush(pdc->dclevel.pbrFill);
BRUSH_ShareUnlockBrush(pdc->dclevel.pbrLine);
/* Select the default fill and line brush */
pdc->dcattr.hbrush = StockObjects[WHITE_BRUSH];
pdc->dcattr.hpen = StockObjects[BLACK_PEN];
pdc->dclevel.pbrFill = BRUSH_ShareLockBrush(pdc->pdcattr->hbrush);
pdc->dclevel.pbrLine = PEN_ShareLockPen(pdc->pdcattr->hpen);
/* Mark them as dirty */
pdc->pdcattr->ulDirty_ |= DIRTY_FILL|DIRTY_LINE;
/* Allocate or free DC attribute */
if (ulOwner == GDI_OBJ_HMGR_PUBLIC || ulOwner == GDI_OBJ_HMGR_NONE)
{
if (pdc->pdcattr != &pdc->dcattr)
DC_vFreeDcAttr(pdc);
}
else if (ulOwner == GDI_OBJ_HMGR_POWNED)
{
if (pdc->pdcattr == &pdc->dcattr)
DC_bAllocDcAttr(pdc);
}
/* Set the DC's ownership */
GDIOBJ_vSetObjectOwner(&pdc->BaseObject, ulOwner);
}
HSURF
APIENTRY
EngCreateDeviceSurface(
_In_ DHSURF dhsurf,
_In_ SIZEL sizl,
_In_ ULONG iFormat)
{
PSURFACE psurf;
HSURF hsurf;
/* Allocate a surface */
psurf = SURFACE_AllocSurface(STYPE_DEVICE,
sizl.cx,
sizl.cy,
iFormat,
0,
0,
0,
NULL);
if (!psurf)
{
DPRINT1("SURFACE_AllocSurface failed.\n");
return NULL;
}
/* Set the device handle */
psurf->SurfObj.dhsurf = dhsurf;
/* Set public ownership */
GDIOBJ_vSetObjectOwner(&psurf->BaseObject, GDI_OBJ_HMGR_PUBLIC);
/* Get the handle for the surface */
hsurf = psurf->SurfObj.hsurf;
/* Unlock the surface and return */
SURFACE_UnlockSurface(psurf);
return hsurf;
}
VOID
NTAPI
DC_vSetOwner(PDC pdc, ULONG ulOwner)
{
if (pdc->rosdc.hClipRgn)
{
IntGdiSetRegionOwner(pdc->rosdc.hClipRgn, ulOwner);
}
if (pdc->rosdc.hGCClipRgn)
{
IntGdiSetRegionOwner(pdc->rosdc.hGCClipRgn, ulOwner);
}
if (pdc->dclevel.hPath)
{
GreSetObjectOwner(pdc->dclevel.hPath, ulOwner);
}
IntGdiSetBrushOwner(pdc->dclevel.pbrFill, ulOwner);
IntGdiSetBrushOwner(pdc->dclevel.pbrLine, ulOwner);
/* Allocate or free DC attribute */
if (ulOwner == GDI_OBJ_HMGR_PUBLIC || ulOwner == GDI_OBJ_HMGR_NONE)
{
if (pdc->pdcattr != &pdc->dcattr)
DC_vFreeDcAttr(pdc);
}
else if (ulOwner == GDI_OBJ_HMGR_POWNED)
{
if (pdc->pdcattr == &pdc->dcattr)
DC_bAllocDcAttr(pdc);
}
/* Set the DC's ownership */
GDIOBJ_vSetObjectOwner(&pdc->BaseObject, ulOwner);
}
HBITMAP
APIENTRY
EngCreateBitmap(
_In_ SIZEL sizl,
_In_ LONG lWidth,
_In_ ULONG iFormat,
_In_ ULONG fl,
_In_opt_ PVOID pvBits)
{
PSURFACE psurf;
HBITMAP hbmp;
/* Allocate a surface */
psurf = SURFACE_AllocSurface(STYPE_BITMAP,
sizl.cx,
sizl.cy,
iFormat,
fl,
lWidth,
0,
pvBits);
if (!psurf)
{
DPRINT1("SURFACE_AllocSurface failed.\n");
return NULL;
}
/* Get the handle for the bitmap */
hbmp = (HBITMAP)psurf->SurfObj.hsurf;
/* Set public ownership */
GDIOBJ_vSetObjectOwner(&psurf->BaseObject, GDI_OBJ_HMGR_PUBLIC);
/* Unlock the surface and return */
SURFACE_UnlockSurface(psurf);
return hbmp;
}
