001    /* ===========================================================
002     * JFreeChart : a free chart library for the Java(tm) platform
003     * ===========================================================
004     *
005     * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006     *
007     * Project Info:  http://www.jfree.org/jfreechart/index.html
008     *
009     * This library is free software; you can redistribute it and/or modify it 
010     * under the terms of the GNU Lesser General Public License as published by 
011     * the Free Software Foundation; either version 2.1 of the License, or 
012     * (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but 
015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
017     * License for more details.
018     *
019     * You should have received a copy of the GNU Lesser General Public
020     * License along with this library; if not, write to the Free Software
021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
022     * USA.  
023     *
024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
025     * in the United States and other countries.]
026     *
027     * -------------
028     * Effect3D.java
029     * -------------
030     * (C) Copyright 2002-2004, by Object Refinery Limited.
031     *
032     * Original Author:  David Gilbert (for Object Refinery Limited);
033     * Contributor(s):   -;
034     *
035     * $Id: Effect3D.java,v 1.2.2.1 2005/10/25 16:50:20 mungady Exp $
036     *
037     * Changes
038     * -------
039     * 05-Nov-2002 : Version 1 (DG);
040     * 14-Nov-2002 : Modified to have independent x and y offsets (DG);
041     *
042     */
043    
044    package org.jfree.chart;
045    
046    /**
047     * An interface that should be implemented by renderers that use a 3D effect.  
048     * This allows the axes to mirror the same effect by querying the renderer.
049     */
050    public interface Effect3D {
051    
052        /**
053         * Returns the x-offset (in Java2D units) for the 3D effect.
054         *
055         * @return The offset.
056         */
057        public double getXOffset();
058    
059        /**
060         * Returns the y-offset (in Java2D units) for the 3D effect.
061         *
062         * @return The offset.
063         */
064        public double getYOffset();
065    }