ColorBlock


1   /* ===========================================================
2    * JFreeChart : a free chart library for the Java(tm) platform
3    * ===========================================================
4    *
5    * (C) Copyright 2000-2005, 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   * ColorBlock.java
29   * ---------------
30   * (C) Copyright 2004, by Object Refinery Limited.
31   *
32   * Original Author:  David Gilbert (for Object Refinery Limited);
33   * Contributor(s):   -;
34   *
35   * $Id: ColorBlock.java,v 1.4.2.1 2005/10/25 20:39:38 mungady Exp $
36   *
37   * Changes:
38   * --------
39   * 22-Oct-2004 : Version 1 (DG);
40   * 20-Apr-2005 : Added new draw() method (DG);
41   * 
42   */
43  
44  package org.jfree.chart.block;
45  
46  import java.awt.Graphics2D  ;
47  import java.awt.Paint  ;
48  import java.awt.geom.Rectangle2D  ;
49  
50  /**
51   * A block that is filled with a single color.
52   */
53  public class ColorBlock extends AbstractBlock implements Block {
54  
55      private Paint   paint;
56      
57      /**
58       * Creates a new block.
59       * 
60       * @param paint  the paint.
61       * @param width  the width.
62       * @param height  the height.
63       */
64      public ColorBlock(Paint   paint, double width, double height) {
65          this.paint = paint;
66          setWidth(width);
67          setHeight(height);
68      }
69  
70      /**
71       * Draws the block.
72       * 
73       * @param g2  the graphics device.
74       * @param area  the area.
75       */
76      public void draw(Graphics2D   g2, Rectangle2D   area) {
77          Rectangle2D   bounds = getBounds();
78          g2.setPaint(this.paint);
79          g2.fill(bounds);
80      }
81      
82      /**
83       * Draws the block within the specified area.
84       * 
85       * @param g2  the graphics device.
86       * @param area  the area.
87       * @param params  ignored (<code>null</code> permitted).
88       * 
89       * @return Always <code>null</code>.
90       */
91      public Object   draw(Graphics2D   g2, Rectangle2D   area, Object   params) {
92          draw(g2, area);
93          return null;
94      }
95  
96  }
97
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