Tell the display that at the next draw call (typically the next tick) that
it must redraw all of the blocks for the background and can't use a
buffered image.
This method is called in the constructor of a main frame so that the
GameSetup class will be able to communicate with the frame that the
game is being played in.
This method is called in the constructor of a main frame so that the
GameSetup class will be able to communicate with the frame that the
game is being played in.