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 }