Here you can find the source of wallPaper(Component comp, Graphics g, Image image)
public static void wallPaper(Component comp, Graphics g, Image image)
//package com.java2s; /************************************************************************* /*from w ww . j a va 2s . c o m*/ Copyright (C) 2009 Grandite This file is part of Open ModelSphere. Open ModelSphere 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or see http://www.gnu.org/licenses/. You can redistribute and/or modify this particular file even under the terms of the GNU Lesser General Public License (LGPL) as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. You should have received a copy of the GNU Lesser General Public License (LGPL) along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA or see http://www.gnu.org/licenses/. You can reach Grandite at: 20-1220 Lebourgneuf Blvd. Quebec, QC Canada G2K 2G4 or open-modelsphere@grandite.com **********************************************************************/ import java.awt.*; import javax.swing.ImageIcon; public class Main { public static void wallPaper(Component comp, Graphics g, Image image) { Dimension compSize = comp.getSize(); waitForImage(comp, image); int patchW = image.getWidth(comp); int patchH = image.getHeight(comp); //Assert.notFalse(patchW != -1 && patchH != -1); for (int i = 0; i < compSize.width; i += patchW) { for (int j = 0; j < compSize.height; j += patchH) { g.drawImage(image, i, j, comp); } } } public static void waitForImage(Image image) { new ImageIcon(image).getImage(); } public static void waitForImage(Component comp, Image image) { MediaTracker tracker = new MediaTracker(comp); try { tracker.addImage(image, 0); tracker.waitForID(0); } catch (InterruptedException e) { e.printStackTrace(); } } }