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1   /*
2    * ObjectLab, http://www.objectlab.co.uk/open is supporting JTreeMap.
3    * 
4    * Based in London, we are world leaders in the design and development 
5    * of bespoke applications for the securities financing markets.
6    * 
7    * <a href="http://www.objectlab.co.uk/open">Click here to learn more</a>
8    *           ___  _     _           _   _          _
9    *          / _ \| |__ (_) ___  ___| |_| |    __ _| |__
10   *         | | | | '_ \| |/ _ \/ __| __| |   / _` | '_ \
11   *         | |_| | |_) | |  __/ (__| |_| |__| (_| | |_) |
12   *          \___/|_.__// |\___|\___|\__|_____\__,_|_.__/
13   *                   |__/
14   *
15   *                     www.ObjectLab.co.uk
16   *
17   * $Id: ColorProvider.java 74 2006-10-24 22:19:05Z benoitx $
18   * 
19   * Copyright 2006 the original author or authors.
20   *
21   * Licensed under the Apache License, Version 2.0 (the "License"); you may not
22   * use this file except in compliance with the License. You may obtain a copy of
23   * the License at
24   *
25   * http://www.apache.org/licenses/LICENSE-2.0
26   *
27   * Unless required by applicable law or agreed to in writing, software
28   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
29   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
30   * License for the specific language governing permissions and limitations under
31   * the License.
32   */
33  package net.sf.jtreemap.swing;
34  
35  import java.awt.Color;
36  import java.io.Serializable;
37  
38  import javax.swing.JPanel;
39  
40  /**
41   * Abstract class with the methods who attribute color to the elements of
42   * JTreeMap.
43   * 
44   * @author Laurent DUTHEIL
45   */
46  
47  public abstract class ColorProvider implements Serializable {
48  
49      /**
50       * get the associated color to the value.
51       * 
52       * @param value
53       *            double value
54       * @return the associated color to the value
55       */
56      public abstract Color getColor(Value value);
57  
58      /**
59       * get a legend JPanel.
60       * 
61       * @return a legend JPanel
62       */
63      public abstract JPanel getLegendPanel();
64  }
65  /*
66   *                 ObjectLab is supporing JTreeMap
67   * 
68   * Based in London, we are world leaders in the design and development 
69   * of bespoke applications for the securities financing markets.
70   * 
71   * <a href="http://www.objectlab.co.uk/open">Click here to learn more about us</a>
72   *           ___  _     _           _   _          _
73   *          / _ \| |__ (_) ___  ___| |_| |    __ _| |__
74   *         | | | | '_ \| |/ _ \/ __| __| |   / _` | '_ \
75   *         | |_| | |_) | |  __/ (__| |_| |__| (_| | |_) |
76   *          \___/|_.__// |\___|\___|\__|_____\__,_|_.__/
77   *                   |__/
78   *
79   *                     www.ObjectLab.co.uk
80   */