/**
* Activates graphics anti-aliasing.
*
* @param g graphics reference
* @return graphics reference
*/
public static Graphics2D antiAlias(final Graphics g) {
final Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
return g2;
}
