Graphics2D g2 = (Graphics2D) g;
            Composite oldComposite = g2.getComposite();
            g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
            // --- mine ---
            AffineTransform at = new AffineTransform();
            at.translate(position.x-Demo2.imageWidth/2, position.y-Demo2.imageHeight/2);
            at.rotate(PositioningDemoServlet.heading*Math.PI/180d, Demo2.imageWidth/2, Demo2.imageHeight/2);

            g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
            g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC) ;
            g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY) ;

          //  at.rotate(Math.PI/4d);
            System.out.println("painted @ "+position.x+", "+position.y);
            g2.drawImage(Demo2.deepCopy(Demo2.imageToPaint), at, null);
            // --- end mine ----
            g2.setPaint(getBackColor());
           // g.fillOval(position.x - size_h, position.y - size_h, size, size);
            g2.setComposite(oldComposite);