1/*
2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. 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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package javax.swing.plaf;
27
28import java.awt.Component;
29import java.awt.Graphics;
30import java.io.Serializable;
31import javax.swing.Icon;
32import 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&trade;
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@SuppressWarnings("serial") // Same-version serialization only
56public class IconUIResource implements Icon, UIResource, Serializable
57{
58    private Icon delegate;
59
60    /**
61     * Creates a UIResource icon object which wraps
62     * an existing Icon instance.
63     * @param delegate the icon being wrapped
64     */
65    public IconUIResource(Icon delegate) {
66        if (delegate == null) {
67            throw new IllegalArgumentException("null delegate icon argument");
68        }
69        this.delegate = delegate;
70    }
71
72    public void paintIcon(Component c, Graphics g, int x, int y) {
73        delegate.paintIcon(c, g, x, y);
74    }
75
76    public int getIconWidth() {
77        return delegate.getIconWidth();
78    }
79
80    public int getIconHeight() {
81        return delegate.getIconHeight();
82    }
83
84}
85