fPendingClip= true;
public void setClipping (int x, int y, int width, int height) {	if (handle == 0) SWT.error(SWT.ERROR_GRAPHIC_DISPOSED);	if (data.clipRgn == 0)		data.clipRgn = OS.NewRgn ();	OS.SetRectRgn(data.clipRgn, (short) x, (short) y, (short) (x+width), (short) (y+height));}