Source for org.jfree.chart.plot.GreyPalette

   1: /* ===========================================================
   2:  * JFreeChart : a free chart library for the Java(tm) platform
   3:  * ===========================================================
   4:  *
   5:  * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
   6:  *
   7:  * Project Info:  http://www.jfree.org/jfreechart/index.html
   8:  *
   9:  * This library is free software; you can redistribute it and/or modify it 
  10:  * under the terms of the GNU Lesser General Public License as published by 
  11:  * the Free Software Foundation; either version 2.1 of the License, or 
  12:  * (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but 
  15:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
  16:  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
  17:  * License for more details.
  18:  *
  19:  * You should have received a copy of the GNU Lesser General Public
  20:  * License along with this library; if not, write to the Free Software
  21:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
  22:  * USA.  
  23:  *
  24:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
  25:  * in the United States and other countries.]
  26:  *
  27:  * ----------------
  28:  * GreyPalette.java
  29:  * ----------------
  30:  * (C) Copyright 2002-2007, by David M. O'Donnell and Contributors.
  31:  *
  32:  * Original Author:  David M. O'Donnell;
  33:  * Contributor(s):   David Gilbert (for Object Refinery Limited);
  34:  *
  35:  * $Id: GreyPalette.java,v 1.1.2.3 2007/01/31 15:56:19 mungady Exp $
  36:  *
  37:  * Changes
  38:  * -------
  39:  * 26-Nov-2002 : Version 1 contributed by David M. O'Donnell (DG);
  40:  * 26-Mar-2003 : Implemented Serializable (DG);
  41:  * ------------- JFREECHART 1.0.x ---------------------------------------------
  42:  * 31-Jan-2007 : Deprecated (DG);
  43:  *
  44:  */
  45: 
  46: package org.jfree.chart.plot;
  47: 
  48: import java.io.Serializable;
  49: 
  50: import org.jfree.chart.renderer.xy.XYBlockRenderer;
  51: 
  52: 
  53: /**
  54:  * A grey color palette.
  55:  * 
  56:  * @deprecated This class is no longer supported.  If you are creating
  57:  *     contour plots, please try to use {@link XYPlot} and 
  58:  *     {@link XYBlockRenderer}.
  59:  */
  60: public class GreyPalette extends ColorPalette implements Serializable {
  61: 
  62:     /** For serialization. */
  63:     private static final long serialVersionUID = -2120941170159987395L;
  64:     
  65:     /**
  66:      * Creates a new palette.
  67:      */
  68:     public GreyPalette() {
  69:         super();
  70:         initialize();
  71:     }
  72: 
  73:     /**
  74:      * Intializes the palette's indices.
  75:      */
  76:     public void initialize() {
  77: 
  78:         setPaletteName("Grey");
  79: 
  80:         this.r = new int[256];
  81:         this.g = new int[256];
  82:         this.b = new int[256];
  83: 
  84:         this.r[0] = 255;
  85:         this.g[0] = 255;
  86:         this.b[0] = 255;
  87:         this.r[1] = 0;
  88:         this.g[1] = 0;
  89:         this.b[1] = 0;
  90: 
  91:         for (int i = 2; i < 256; i++) {
  92:             this.r[i] = i;
  93:             this.g[i] = i;
  94:             this.b[i] = i;
  95:         }
  96: 
  97:     }
  98: 
  99: }