/**
* Returns an iterator object that iterates along the boundary of this <code>Polygon</code> and
* provides access to the geometry of the outline of this <code>Polygon</code>. An optional {@link
* AffineTransform} can be specified so that the coordinates returned in the iteration are
* transformed accordingly.
*
* @param at an optional <code>AffineTransform</code> to be applied to the coordinates as they are
* returned in the iteration, or <code>null</code> if untransformed coordinates are desired
* @return a {@link PathIterator} object that provides access to the geometry of this <code>
* Polygon</code>.
*/
@Override
public PathIterator getPathIterator(AffineTransform at) {
if (path == null) return new Path2D.Double().getPathIterator(at);
return path.getPathIterator(at);
}
@Override
public PathIterator getPathIterator(AffineTransform at) {
return shape.getPathIterator(at);
}