Here you can find the source of iconToImage(Icon icon)
public static Image iconToImage(Icon icon)
//package com.java2s; /*//from ww w .j a va 2s . c o m * Movie Renamer * Copyright (C) 2012-2013 Nicolas Magr? * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.awt.Image; import java.awt.image.BufferedImage; import javax.swing.Icon; import javax.swing.ImageIcon; public class Main { public static Image iconToImage(Icon icon) { if (icon instanceof ImageIcon) { return ((ImageIcon) icon).getImage(); } BufferedImage image = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_RGB); icon.paintIcon(null, image.getGraphics(), 0, 0); return image; } }