001    /*
002     * Copyright 2002-2007 the original author or authors.
003     * 
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     * 
008     *      http://www.apache.org/licenses/LICENSE-2.0
009     * 
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.springframework.richclient.image;
017    
018    import java.awt.Component;
019    import java.awt.Graphics;
020    
021    import javax.swing.GrayFilter;
022    import javax.swing.Icon;
023    import javax.swing.ImageIcon;
024    
025    /**
026     * Code taken from
027     * http://www.jroller.com/santhosh/entry/beautify_swing_applications_toolbar_with
028     * 
029     * @author Santhosh Kumar
030     */
031    public class ShadowedIcon implements Icon {
032            private int shadowWidth = 2;
033    
034            private int shadowHeight = 2;
035    
036            private Icon icon, shadow;
037    
038            public ShadowedIcon(Icon icon) {
039                    this.icon = icon;
040                    shadow = new ImageIcon(GrayFilter.createDisabledImage(((ImageIcon) icon).getImage()));
041            }
042    
043            public ShadowedIcon(Icon icon, int shadowWidth, int shadowHeight) {
044                    this(icon);
045                    this.shadowWidth = shadowWidth;
046                    this.shadowHeight = shadowHeight;
047            }
048    
049            public int getIconHeight() {
050                    return icon.getIconWidth() + shadowWidth;
051            }
052    
053            public int getIconWidth() {
054                    return icon.getIconHeight() + shadowHeight;
055            }
056    
057            public void paintIcon(Component c, Graphics g, int x, int y) {
058                    shadow.paintIcon(c, g, x + shadowWidth, y + shadowHeight);
059                    icon.paintIcon(c, g, x, y);
060            }
061    }