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69 lines
1.8 KiB
69 lines
1.8 KiB
package de.anomic.ymage;
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import java.applet.Applet;
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import java.awt.Dimension;
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import java.awt.Graphics;
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public class ymageDemoApplet extends Applet implements Runnable {
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// can be run in eclipse with
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// Run -> Run As -> Java Applet
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// see http://www.javaworld.com/javaworld/jw-03-1996/jw-03-animation.html?page=3
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private static final long serialVersionUID = -8230253094143014406L;
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int delay;
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Thread animator;
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Dimension offDimension;
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ymageMatrix offGraphics;
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public void init() {
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String str = getParameter("fps");
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int fps = (str != null) ? Integer.parseInt(str) : 10;
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delay = (fps > 0) ? (1000 / fps) : 100;
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}
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public void start() {
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animator = new Thread(this);
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animator.start();
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}
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public void run() {
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while (Thread.currentThread() == animator) {
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long time = System.currentTimeMillis();
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repaint();
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try {
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Thread.sleep(delay - System.currentTimeMillis() + time);
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} catch (InterruptedException e) {
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break;
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}
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}
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}
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public void stop() {
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animator = null;
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}
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public void update(Graphics g) {
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Dimension d = getSize();
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offGraphics = new ymageMatrix(d.width, d.height, ymageMatrix.SUBTRACTIVE_WHITE);
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paintFrame(offGraphics);
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g.drawImage(offGraphics.getImage(), 0, 0, null);
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}
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public void paint(Graphics g) {
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if (offGraphics != null) {
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g.drawImage(offGraphics.getImage(), 0, 0, null);
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}
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}
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public void paintFrame(ymageMatrix m) {
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ymageMatrix.demoPaint(m);
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int y = (int) (System.currentTimeMillis() / 10 % 300);
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m.setColor(ymageMatrix.SUBTRACTIVE_BLACK);
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ymageToolPrint.print(m, 0, y, 0, "Hello World", -1);
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}
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}
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