IconToImage.java

package com.opendoorlogistics.codefromweb;

import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.image.BufferedImage;
import javax.swing.ImageIcon;

import javax.swing.Icon;

/**
 * See http://stackoverflow.com/questions/5830533/how-can-i-convert-an-icon-to-an-image
 * @author Phil
 *
 */
public class IconToImage {
	public static Image iconToImage(Icon icon) {
		if (icon instanceof ImageIcon) {
			return ((ImageIcon) icon).getImage();
		} else {
			int w = icon.getIconWidth();
			int h = icon.getIconHeight();
			GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
			GraphicsDevice gd = ge.getDefaultScreenDevice();
			GraphicsConfiguration gc = gd.getDefaultConfiguration();
			BufferedImage image = gc.createCompatibleImage(w, h);
			Graphics2D g = image.createGraphics();
			icon.paintIcon(null, g, 0, 0);
			g.dispose();
			return image;
		}
	}
}