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Java > Open Source Codes > org > jfree > experimental > chart > renderer > PaintScale


1 /* ===========================================================
2  * JFreeChart : a free chart library for the Java(tm) platform
3  * ===========================================================
4  *
5  * (C) Copyright 2000-2006, 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  * PaintScale.java
29  * ---------------
30  * (C) Copyright 2006, by Object Refinery Limited.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: PaintScale.java,v 1.1.2.1 2006/10/12 09:30:49 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 05-Jul-2006 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.experimental.chart.renderer;
44
45 import java.awt.Paint JavaDoc;
46
47 import org.jfree.experimental.chart.renderer.xy.XYBlockRenderer;
48
49 /**
50  * A source for <code>Paint</code> instances, used by the
51  * {@link XYBlockRenderer}.
52  * <br><br>
53  * NOTE: Classes that implement this interface should also implement
54  * <code>PublicCloneable</code> and <code>Serializable</code>, so
55  * that any renderer that references an instance of this interface can still be
56  * cloned or serialized.
57  *
58  * WARNING: THIS CLASS IS NOT PART OF THE STANDARD JFREECHART API AND IS
59  * SUBJECT TO ALTERATION OR REMOVAL. DO NOT RELY ON THIS CLASS FOR
60  * PRODUCTION USE. Please experiment with this code and provide feedback.
61  */
62 public interface PaintScale {
63     
64     /**
65      * Returns a <code>Paint</code> instance for the specified value.
66      *
67      * @param value the value.
68      *
69      * @return A <code>Paint</code> instance (never <code>null</code>).
70      */
71     public Paint JavaDoc getPaint(double value);
72     
73 }
74
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