Removes the last clip rect from the surface. After this method is called, the clip is no longer applied to subsequent drawing operations.
A PushClip and PopClip pair can occur around or within a PushLayer and PopLayer, but cannot overlap.. For example, a PushClip, PushLayer, PopLayer, PopClip sequence is valid, but a PushClip, PushLayer, PopClip, PopLayer sequence is not.