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™ 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