Here you can find the source of getImage(ImageIcon imageIcon)
public static Image getImage(ImageIcon imageIcon)
//package com.java2s; /*//w w w .ja v a 2s .c o m * Adito * * Copyright (C) 2003-2006 3SP LTD. All Rights Reserved * * 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 2 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, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ import java.awt.Image; import java.awt.image.BufferedImage; import javax.swing.Icon; import javax.swing.ImageIcon; public class Main { public static Image getImage(ImageIcon imageIcon) { return imageIcon != null ? imageIcon.getImage() : null; } public static Image getImage(Icon icon) { BufferedImage bim = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB); icon.paintIcon(null, bim.getGraphics(), 0, 0); return bim; } }