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