public void drawU(UGraphic ug, double x, double y) {
if (circle != null) {
ug.getParam().setColor(circle);
}
final HtmlColor back = ug.getParam().getBackcolor();
ug.getParam().setBackcolor(innerCircle);
ug.draw(x, y, new UEllipse(radius * 2, radius * 2));
ug.getParam().setColor(fontColor);
ug.centerChar(x + radius, y + radius, c.charAt(0), font);
ug.getParam().setBackcolor(back);
}
