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*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
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*
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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package java2d.demos.Images;
import java.awt.*;
import javax.swing.JButton;
import java.awt.image.ImageObserver;
import java2d.AnimatingSurface;
import java2d.DemoPanel;
/**
* Animated gif with a transparent background.
*/
@SuppressWarnings("serial")
public class DukeAnim extends AnimatingSurface implements ImageObserver {
private static Image agif, clouds;
private static int aw, ah, cw;
private int x;
private JButton b;
@SuppressWarnings("LeakingThisInConstructor")
public DukeAnim() {
setBackground(Color.white);
clouds = getImage("clouds.jpg");
agif = getImage("duke.running.gif");
aw = agif.getWidth(this) / 2;
ah = agif.getHeight(this) / 2;
cw = clouds.getWidth(this);
dontThread = true;
}
@Override
public void reset(int w, int h) {
b = ((DemoPanel) getParent()).tools.startStopB;
}
@Override
public void step(int w, int h) {
}
@Override
public void render(int w, int h, Graphics2D g2) {
if ((x -= 3) <= -cw) {
x = w;
}
g2.drawImage(clouds, x, 10, cw, h - 20, this);
g2.drawImage(agif, w / 2 - aw, h / 2 - ah, this);
}
@Override
public boolean imageUpdate(Image img, int infoflags,
int x, int y, int width, int height) {
if (b.isSelected() && (infoflags & ALLBITS) != 0) {
repaint();
}
if (b.isSelected() && (infoflags & FRAMEBITS) != 0) {
repaint();
}
return isShowing();
}
public static void main(String s[]) {
createDemoFrame(new DukeAnim());
}
}