    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    }