Returns an icon that combines the 2 specified icons. - Java Swing

Java examples for Swing:Icon

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Description

Returns an icon that combines the 2 specified icons.

Demo Code

/*/*from   w  w  w.j  av  a 2  s .  c o m*/
 * Copyright (c) 2007 BUSINESS OBJECTS SOFTWARE LIMITED
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *  
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *  
 *     * Neither the name of Business Objects nor the names of its contributors
 *       may be used to endorse or promote products derived from this software
 *       without specific prior written permission.
 *  
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
//package com.java2s;

import java.awt.Graphics2D;

import java.awt.image.BufferedImage;

import javax.swing.Icon;
import javax.swing.ImageIcon;

public class Main {
    /**
     * Returns an icon that combines the 2 specified icons.
     * One will be drawn over top of the base icon.
     * The resulting icon will be large enough to hold both icons.
     * @param underIcon  the icon to be drawn first
     * @param overIcon   the icon to be drawn over top
     * @return the combined icon
     */
    public static Icon combineIcons(Icon underIcon, Icon overIcon) {
        int newWidth = Math.max(underIcon.getIconWidth(),
                overIcon.getIconWidth());
        int newHeight = Math.max(underIcon.getIconHeight(),
                overIcon.getIconHeight());

        BufferedImage combinedImage = new BufferedImage(newWidth,
                newHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2d = combinedImage.createGraphics();
        underIcon.paintIcon(null, g2d, 0, 0);
        overIcon.paintIcon(null, g2d, 0, 0);
        g2d.dispose();

        return new ImageIcon(combinedImage);
    }
}

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