Java Icon extractIconImage(Component component, Icon icon)

Description

Extract an image from the specified icon.

License

Apache License

Parameter

Parameter	Description
component	a parameter
icon	a parameter

Return

the image.

Declaration

public static Image extractIconImage(Component component, Icon icon) 

Method Source Code

//package com.java2s;
/*//  w w w . j  a va  2  s. com
 * $Id$
 * This file is a part of the Arakhne Foundation Classes, http://www.arakhne.org/afc
 *
 * Copyright (c) 2000-2012 Stephane GALLAND.
 * Copyright (c) 2005-10, Multiagent Team, Laboratoire Systemes et Transports,
 *                        Universite de Technologie de Belfort-Montbeliard.
 * Copyright (c) 2013-2016 The original authors, and other authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.awt.Component;

import java.awt.Graphics2D;
import java.awt.Image;

import java.awt.image.BufferedImage;

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

public class Main {
    /** Extract an image from the specified icon.
     * 
     * @param component
     * @param icon
     * @return the image.
     */
    public static Image extractIconImage(Component component, Icon icon) {
        Image source;
        if (icon instanceof ImageIcon) {
            source = ((ImageIcon) icon).getImage();
        } else if (component != null) {
            source = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
            Graphics2D g = (Graphics2D) source.getGraphics();
            icon.paintIcon(component, g, 0, 0);
            g.dispose();
        } else {
            source = null;
        }
        return source;
    }
}

Related

1. createColorIcon(Color color)
2. createColorIcon(final int width, final int height, final Color color)
3. createHistImage(JComponent c, Icon hd, File dir, Color bgColor, String fname)
4. createRotatedImage(Component c, Icon icon, double rotatedAngle)
5. genImageResource(Class cls, String icon)
6. getChatIconImage()
7. makeIcon(final Class baseClass, final Class rootClass, final String imageFile)
8. scaleIcon(Image iconImage, int size)