1 /*
2 * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package javax.swing.plaf;
27
28 import java.awt.Component;
29 import java.awt.Graphics;
30 import java.io.Serializable;
31 import javax.swing.Icon;
32 import javax.swing.plaf.UIResource;
33
34 /**
35 * An Icon wrapper class which implements UIResource. UI
36 * classes which set icon properties should use this class
37 * to wrap any icons specified as defaults.
38 *
39 * This class delegates all method invocations to the
40 * Icon "delegate" object specified at construction.
41 * <p>
42 * <strong>Warning:</strong>
43 * Serialized objects of this class will not be compatible with
44 * future Swing releases. The current serialization support is
45 * appropriate for short term storage or RMI between applications running
46 * the same version of Swing. As of 1.4, support for long term storage
47 * of all JavaBeans<sup><font size="-2">TM</font></sup>
48 * has been added to the <code>java.beans</code> package.
49 * Please see {@link java.beans.XMLEncoder}.
50 *
51 * @see javax.swing.plaf.UIResource
52 * @author Amy Fowler
53 *
54 */
55 public class IconUIResource implements Icon, UIResource, Serializable
56 {
57 private Icon delegate;
58
59 /**
60 * Creates a UIResource icon object which wraps
61 * an existing Icon instance.
62 * @param delegate the icon being wrapped
63 */
64 public IconUIResource(Icon delegate) {
65 if (delegate == null) {
66 throw new IllegalArgumentException("null delegate icon argument");
67 }
68 this.delegate = delegate;
69 }
70
71 public void paintIcon(Component c, Graphics g, int x, int y) {
72 delegate.paintIcon(c, g, x, y);
73 }
74
75 public int getIconWidth() {
76 return delegate.getIconWidth();
77 }
78
79 public int getIconHeight() {
80 return delegate.getIconHeight();
81 }
82
83 }
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