1 /* 2 * 3 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * - Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * - Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * - Neither the name of Oracle nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 21 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 package java2d.demos.Images; 33 34 35 import java.awt.*; 36 import javax.swing.JButton; 37 import java.awt.image.ImageObserver; 38 import java2d.AnimatingSurface; 39 import java2d.DemoPanel; 40 41 42 /** 43 * Animated gif with a transparent background. 44 */ 45 @SuppressWarnings("serial") 46 public class DukeAnim extends AnimatingSurface implements ImageObserver { 47 48 private static Image agif, clouds; 49 private static int aw, ah, cw; 50 private int x; 51 private JButton b; 52 53 @SuppressWarnings("LeakingThisInConstructor") 54 public DukeAnim() { 55 setBackground(Color.white); 56 clouds = getImage("clouds.jpg"); 57 agif = getImage("duke.running.gif"); 58 aw = agif.getWidth(this) / 2; 59 ah = agif.getHeight(this) / 2; 60 cw = clouds.getWidth(this); 61 dontThread = true; 62 } 63 64 @Override 65 public void reset(int w, int h) { 66 b = ((DemoPanel) getParent()).tools.startStopB; 67 } 68 69 @Override 70 public void step(int w, int h) { 71 } 72 73 @Override 74 public void render(int w, int h, Graphics2D g2) { 75 if ((x -= 3) <= -cw) { 76 x = w; 77 } 78 g2.drawImage(clouds, x, 10, cw, h - 20, this); 79 g2.drawImage(agif, w / 2 - aw, h / 2 - ah, this); 80 } 81 82 @Override 83 public boolean imageUpdate(Image img, int infoflags, 84 int x, int y, int width, int height) { 85 if (b.isSelected() && (infoflags & ALLBITS) != 0) { 86 repaint(); 87 } 88 if (b.isSelected() && (infoflags & FRAMEBITS) != 0) { 89 repaint(); 90 } 91 return isShowing(); 92 } 93 94 public static void main(String s[]) { 95 createDemoFrame(new DukeAnim()); 96 } 97 }