theEllipse = new Ellipse2D.Double(
                  -1.0*ds,-0.25*ds,2.0*ds,0.5*ds);
     g2.rotate(Math.PI/3.0);//rotate 60 degrees
     g2.setPaint(Color.green);
     g2.setComposite(
               AlphaComposite.getInstance(
                  AlphaComposite.SRC_OVER,1.0f));
     g2.fill(theEllipse);

Figure 9