/** paints the Spinner */
public void paint(Graphics g) {
int start_angle = 90;
int done_angle = (int) (percentDone * 360);
g.setColor(getBackground());
g.fillArc(3, 3, getSize().width - 8, getSize().height - 8, 0, 360);
g.setColor(getForeground());
g.fillArc(3, 3, getSize().width - 8, getSize().height - 8, start_angle, done_angle);
g.setColor(Color.black);
g.drawArc(3, 3, getSize().width - 8, getSize().height - 8, 0, 360);
}
