/* ===========================================================

 * JFreeChart : a free chart library for the Java(tm) platform

 * ===========================================================

 *

 * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors.

 *

 * Project Info:  http://www.jfree.org/jfreechart/index.html

 *

 * This library is free software; you can redistribute it and/or modify it under the terms

 * of the GNU Lesser General Public License as published by the Free Software Foundation;

 * either version 2.1 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 * See the GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License along with this

 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,

 * Boston, MA 02111-1307, USA.

 *

 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 

 * in the United States and other countries.]

 *

 * ----------------

 * GreyPalette.java

 * ----------------

 * (C) Copyright 2002-2004, by David M. O'Donnell and Contributors.

 *

 * Original Author:  David M. O'Donnell;

 * Contributor(s):   David Gilbert (for Object Refinery Limited);

 *

 * $Id: GreyPalette.java,v 1.1 2004/08/31 14:54:21 mungady Exp $

 *

 * Changes

 * -------

 * 26-Nov-2002 : Version 1 contributed by David M. O'Donnell (DG);

 * 26-Mar-2003 : Implemented Serializable (DG);

 *

 */



package org.jfree.chart.ui;



import java.io.Serializable;



/**

 * A grey color palette.

 *

 * @author David M. O'Donnell.

 */

public class GreyPalette extends ColorPalette implements Serializable {



    /**

     * Creates a new palette.

     */

    public GreyPalette() {

        super();

        initialize();

    }



    /**

     * Intializes the palette's indices.

     */

    public void initialize() {



        setPaletteName("Grey");



        this.r = new int[256];

        this.g = new int[256];

        this.b = new int[256];



        this.r[0] = 255;

        this.g[0] = 255;

        this.b[0] = 255;

        this.r[1] = 0;

        this.g[1] = 0;

        this.b[1] = 0;



        for (int i = 2; i < 256; i++) {

            this.r[i] = i;

            this.g[i] = i;

            this.b[i] = i;

        }



    }



}

