// XAAL toolkit
// Copyright (C) 2009 Ville Karavirta <vkaravir(a)cs.hut.fi>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
/**
 * 
 */
package xaal.util;

import java.util.Comparator;

import xaal.objects.graphical.GraphicalPrimitive;

/**
 * @author vkaravir
 *
 */
public class DepthComparator implements Comparator<GraphicalPrimitive> {

    /**
     * 
     */
    public DepthComparator() {
    }

    public int compare(GraphicalPrimitive o1, GraphicalPrimitive o2) {
        if (o1.getDepth() > o2.getDepth()) {
            return -1;
        } else if (o1.getDepth() == o2.getDepth()) {
            return 0;
        } else {
            return 1;
        }
    }
}