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Java > Open Source Codes > com > sun > activation > viewers > ImageViewerCanvas


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the "License"). You may not use this file except
5  * in compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * glassfish/bootstrap/legal/CDDLv1.0.txt or
9  * https://glassfish.dev.java.net/public/CDDLv1.0.html.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * HEADER in each file and include the License file at
15  * glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
16  * add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your
18  * own identifying information: Portions Copyright [yyyy]
19  * [name of copyright owner]
20  */
21
22 /*
23  * @(#)ImageViewerCanvas.java 1.3 05/11/16
24  *
25  * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
26  */
27
28 package com.sun.activation.viewers;
29
30 import java.awt.*;
31
32 public class ImageViewerCanvas extends Canvas
33 {
34   private Image canvas_image = null;
35   
36   /**
37    * The constructor
38    */
39   public ImageViewerCanvas()
40     {
41     
42     }
43
44   /**
45    * set the image
46    */
47   public void setImage(Image new_image)
48     {
49       canvas_image = new_image;
50       this.invalidate();
51       this.repaint();
52     }
53   
54   /**
55    * getPreferredSize
56    */
57   public Dimension getPreferredSize()
58     {
59       Dimension d = null;
60       
61       if(canvas_image == null)
62     {
63       d = new Dimension(200, 200);
64     }
65       else
66     d = new Dimension(canvas_image.getWidth(this),
67               canvas_image.getHeight(this));
68
69       return d;
70     }
71   /**
72    * paint method
73    */
74   public void paint(Graphics g)
75     {
76
77       if(canvas_image != null)
78     g.drawImage(canvas_image, 0, 0, this);
79
80     }
81   
82 }
83
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