001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2007, 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 * GreyPalette.java
029 * ----------------
030 * (C) Copyright 2002-2007, by David M. O'Donnell and Contributors.
031 *
032 * Original Author: David M. O'Donnell;
033 * Contributor(s): David Gilbert (for Object Refinery Limited);
034 *
035 * $Id: GreyPalette.java,v 1.1.2.3 2007/01/31 15:56:19 mungady Exp $
036 *
037 * Changes
038 * -------
039 * 26-Nov-2002 : Version 1 contributed by David M. O'Donnell (DG);
040 * 26-Mar-2003 : Implemented Serializable (DG);
041 * ------------- JFREECHART 1.0.x ---------------------------------------------
042 * 31-Jan-2007 : Deprecated (DG);
043 *
044 */
045
046 package org.jfree.chart.plot;
047
048 import java.io.Serializable;
049
050 import org.jfree.chart.renderer.xy.XYBlockRenderer;
051
052
053 /**
054 * A grey color palette.
055 *
056 * @deprecated This class is no longer supported. If you are creating
057 * contour plots, please try to use {@link XYPlot} and
058 * {@link XYBlockRenderer}.
059 */
060 public class GreyPalette extends ColorPalette implements Serializable {
061
062 /** For serialization. */
063 private static final long serialVersionUID = -2120941170159987395L;
064
065 /**
066 * Creates a new palette.
067 */
068 public GreyPalette() {
069 super();
070 initialize();
071 }
072
073 /**
074 * Intializes the palette's indices.
075 */
076 public void initialize() {
077
078 setPaletteName("Grey");
079
080 this.r = new int[256];
081 this.g = new int[256];
082 this.b = new int[256];
083
084 this.r[0] = 255;
085 this.g[0] = 255;
086 this.b[0] = 255;
087 this.r[1] = 0;
088 this.g[1] = 0;
089 this.b[1] = 0;
090
091 for (int i = 2; i < 256; i++) {
092 this.r[i] = i;
093 this.g[i] = i;
094 this.b[i] = i;
095 }
096
097 }
098
099 }