001    /* ===========================================================
002     * JFreeChart : a free chart library for the Java(tm) platform
003     * ===========================================================
004     *
005     * (C) Copyright 2000-2008, 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 2002-2008, 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     * Changes
036     * -------
037     * 26-Nov-2002 : Version 1 contributed by David M. O'Donnell (DG);
038     * 26-Mar-2003 : Implemented Serializable (DG);
039     * ------------- JFREECHART 1.0.x ---------------------------------------------
040     * 31-Jan-2007 : Deprecated (DG);
041     *
042     */
043    
044    package org.jfree.chart.plot;
045    
046    import java.io.Serializable;
047    
048    import org.jfree.chart.renderer.xy.XYBlockRenderer;
049    
050    
051    /**
052     * A grey color palette.
053     *
054     * @deprecated This class is no longer supported (as of version 1.0.4).  If
055     *     you are creating contour plots, please try to use {@link XYPlot} and
056     *     {@link XYBlockRenderer}.
057     */
058    public class GreyPalette extends ColorPalette implements Serializable {
059    
060        /** For serialization. */
061        private static final long serialVersionUID = -2120941170159987395L;
062    
063        /**
064         * Creates a new palette.
065         */
066        public GreyPalette() {
067            super();
068            initialize();
069        }
070    
071        /**
072         * Intializes the palette's indices.
073         */
074        public void initialize() {
075    
076            setPaletteName("Grey");
077    
078            this.r = new int[256];
079            this.g = new int[256];
080            this.b = new int[256];
081    
082            this.r[0] = 255;
083            this.g[0] = 255;
084            this.b[0] = 255;
085            this.r[1] = 0;
086            this.g[1] = 0;
087            this.b[1] = 0;
088    
089            for (int i = 2; i < 256; i++) {
090                this.r[i] = i;
091                this.g[i] = i;
092                this.b[i] = i;
093            }
094    
095        }
096    
097    }