001 /* =========================================================== 002 * JFreeChart : a free chart library for the Java(tm) platform 003 * =========================================================== 004 * 005 * (C) Copyright 2000-2005, 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 2002-2005, 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 1.1.2.1 2005/11/24 16:11:49 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 * 042 */ 043 044 package org.jfree.chart.plot; 045 046 import java.io.Serializable; 047 048 049 /** 050 * A grey color palette. 051 * 052 * @author David M. O'Donnell. 053 */ 054 public class GreyPalette extends ColorPalette implements Serializable { 055 056 /** For serialization. */ 057 private static final long serialVersionUID = -2120941170159987395L; 058 059 /** 060 * Creates a new palette. 061 */ 062 public GreyPalette() { 063 super(); 064 initialize(); 065 } 066 067 /** 068 * Intializes the palette's indices. 069 */ 070 public void initialize() { 071 072 setPaletteName("Grey"); 073 074 this.r = new int[256]; 075 this.g = new int[256]; 076 this.b = new int[256]; 077 078 this.r[0] = 255; 079 this.g[0] = 255; 080 this.b[0] = 255; 081 this.r[1] = 0; 082 this.g[1] = 0; 083 this.b[1] = 0; 084 085 for (int i = 2; i < 256; i++) { 086 this.r[i] = i; 087 this.g[i] = i; 088 this.b[i] = i; 089 } 090 091 } 092 093 }