Rectangle2D clip = this.getClippingRectangle();
g.clipRect(
(int) clip.upperLeftCorner().x,
(int) clip.upperLeftCorner().y,
(int) clip.lowerRightCorner().x,
(int) clip.lowerRightCorner().y);
Rectangle2D visibleRedBox = new Rectangle2D(
// visibleBox.liObEcke(),