rainbowpalette.java

这是一个segy数据显示程序

/* ===========================================================
 * 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.]
 *
 * -------------------
 * RainbowPalette.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: RainbowPalette.java,v 1.6 2004/03/05 10:24:28 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;

/**
 * Contains the data to constuct an 8-bit rainbow palette
 * This come from an old application which ran on 8-bit graphics device.
 * Thus indexes 0 and 1 were preserved for rendering white and black respectively.
 *
 * @author David M. O'Donnell
 */
public class RainbowPalette extends ColorPalette implements Serializable {

    /** The red values. */
    private int[] red =
            {255,   0, 120, 115, 111, 106, 102,  97,  93,  88,  84,  79,  75,  70,  66,  61,
              57,  52,  48,  43,  39,  34,  30,  25,  21,  16,  12,   7,   3,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   1,   5,
              10,  14,  19,  23,  28,  32,  37,  41,  46,  50,  55,  59,  64,  68,  73,  77,
              82,  86,  91,  95, 100, 104, 109, 113, 118, 123, 127, 132, 136, 141, 145, 150,
             154, 159, 163, 168, 172, 177, 181, 186, 190, 195, 199, 204, 208, 213, 217, 222,
             226, 231, 235, 240, 244, 249, 253, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 };

    /** The green values. */
    private int[] green =
            {255,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   2,   6,  11,
              15,  20,  24,  29,  33,  38,  42,  47,  51,  56,  60,  65,  69,  74,  78,  83,
              87,  92,  96, 101, 105, 110, 114, 119, 123, 128, 132, 137, 141, 146, 150, 155,
             159, 164, 168, 173, 177, 182, 186, 191, 195, 200, 204, 209, 213, 218, 222, 227,
             231, 236, 241, 245, 250, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 252, 248, 243, 239, 234, 230, 225, 221, 216,
             212, 207, 203, 198, 194, 189, 185, 180, 176, 171, 167, 162, 158, 153, 149, 144,
             140, 135, 131, 126, 122, 117, 113, 108, 104,  99,  95,  90,  86,  81,  77,  72,
              68,  63,  59,  54,  50,  45,  41,  36,  32,  27,  23,  18,  14,   9,   5,   0 };

    /** The blue values. */
    private int[] blue =
            {255,   0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
             255, 255, 255, 255, 255, 255, 251, 247, 242, 238, 233, 229, 224, 220, 215, 211,
             206, 202, 197, 193, 188, 184, 179, 175, 170, 166, 161, 157, 152, 148, 143, 139,
             134, 130, 125, 121, 116, 112, 107, 103,  98,  94,  89,  85,  80,  76,  71,  67,
              62,  58,  53,  49,  44,  40,  35,  31,  26,  22,  17,  13,   8,   4,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
               0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0 };

    /**
     * Default constructor.
     */
    public RainbowPalette() {
        super();
        initialize();
    }

    /**
     * Intializes the palettes indexes
     */
    public void initialize() {

        setPaletteName("Rainbow");

        this.r = new int[this.red.length];
        this.g = new int[this.green.length];
        this.b = new int[this.blue.length];
        System.arraycopy(this.red, 0, this.r, 0, this.red.length);
        System.arraycopy(this.green, 0, this.g, 0, this.green.length);
        System.arraycopy(this.blue, 0, this.b, 0, this.blue.length);

    }

}