* @param text a <code>String</code> value
     */
    private void centerString(Graphics2D g, String text) {
        g.setColor(Color.BLACK);
        g.setFont(ResourceManager.getFont("NormalFont", 12f));
        g.drawString(text,
                     (tileWidth - g.getFontMetrics().stringWidth(text))/2,
                     (tileHeight - g.getFontMetrics().getAscent())/2);
    }