Java tutorial
/* * Copyright (c) 1995 - 2008 Sun Microsystems, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * - Neither the name of Sun Microsystems nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * SplashDemo.java * */ import java.awt.AlphaComposite; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Frame; import java.awt.Graphics2D; import java.awt.Menu; import java.awt.MenuBar; import java.awt.MenuItem; import java.awt.SplashScreen; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.awt.event.WindowListener; public class SplashDemo extends Frame implements ActionListener { static void renderSplashFrame(Graphics2D g, int frame) { final String[] comps = { "foo", "bar", "baz" }; g.setComposite(AlphaComposite.Clear); g.fillRect(120, 140, 200, 40); g.setPaintMode(); g.setColor(Color.BLACK); g.drawString("Loading " + comps[(frame / 5) % 3] + "...", 120, 150); } public SplashDemo() { super("SplashScreen demo"); setSize(300, 200); setLayout(new BorderLayout()); Menu m1 = new Menu("File"); MenuItem mi1 = new MenuItem("Exit"); m1.add(mi1); mi1.addActionListener(this); this.addWindowListener(closeWindow); MenuBar mb = new MenuBar(); setMenuBar(mb); mb.add(m1); final SplashScreen splash = SplashScreen.getSplashScreen(); if (splash == null) { System.out.println("SplashScreen.getSplashScreen() returned null"); return; } Graphics2D g = splash.createGraphics(); if (g == null) { System.out.println("g is null"); return; } for (int i = 0; i < 100; i++) { renderSplashFrame(g, i); splash.update(); try { Thread.sleep(90); } catch (InterruptedException e) { } } splash.close(); setVisible(true); toFront(); } public void actionPerformed(ActionEvent ae) { System.exit(0); } private static WindowListener closeWindow = new WindowAdapter() { public void windowClosing(WindowEvent e) { e.getWindow().dispose(); } }; public static void main(String args[]) { SplashDemo test = new SplashDemo(); } }