import java.awt.*;
import javax.swing.*;

// <applet code="Zebra3" width="300" height="300"> </applet>

public class Zebra3 extends JApplet implements Runnable {
    ZPanel zpanel;
    Thread t;
    boolean running=false;

    public void init() {
	
	Image image;
	MediaTracker tracker; //Use this to track loading of the image
	String param=this.getParameter("picture");

	if (param != null) {

	    tracker=new MediaTracker(this);
	    image = getImage(getCodeBase(), param);

	    //Add the image to the MediaTracker so we can track
            //   progress loading it
	    tracker.addImage(image,0);

	    //Wait until image is completely loaded
	    try { tracker.waitForAll(); }
	    catch (InterruptedException e) { } //ignore interrupts
	    

	    zpanel = new ZPanel(image);
	} else {
	    zpanel = new ZPanel(300,300);
	}

	Container pane = getContentPane();
	pane.add(zpanel);

    }

    public void start() {
	t = new Thread(this);
	running=true;
	t.start();
    }

    public void stop() {
	running=false;
    }

    public void run() {
	int steps=0;
	while (running ) {
	    steps++;
	    zpanel.update();
	    zpanel.repaint();
	    showStatus(Integer.toString(steps));
	    try { t.sleep(30); }
	    catch (InterruptedException e) { System.out.println(e); }
	    t.yield();
	}
    }

}