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FYI: I worked around this problem by creating a proxy class for the Robocode Graphics2D object called WindowGraphics2D. The proxy class uses a subset of delegate methods to support many of the Graphics2D paint methods; in those methods, it manually shifts the text or shapes to the appropriate screen positions. To use a window, you extend the abstract WindowPainter class, which in turn allows painting through an abstract method with signature paintWindowComponent(WindowGraphics2D graphics, T paintable).