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 }