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import java.awt.*;
import java.applet.*;
import java.awt.image.*;

public class Applet8 extends Applet implements Runnable {
	int					cardWidth=43,cardHeight=61,thisPos;
	Image				winScratch,playingCards,currImg;
	Graphics			gScratch;
	Thread				runner;
	Button				startStop;
	boolean				isRunning = true;

public void init() {
		winScratch = createImage(this.size().width,this.size().height);
		gScratch = winScratch.getGraphics();
		setBackground(Color.white);
		playingCards = getImage(getCodeBase(),"cards.gif");
		startStop = new Button("Stop");
		add(startStop);
	}
	
	public void start() {
		if (runner == null) {
			runner = new Thread(this);
			runner.start();
		}
	}
	
	public void stop() {
		runner = null;
	}
	
	public void run() {
		int				randomCard,cardPos;
		ImageFilter 	cardFilter;
		ImageProducer	cardProducer;
		
		while (isRunning) {
			try {
				Thread.sleep(2000);
			}
			catch (InterruptedException e) {
			}

thisPos = (int)(java.lang.Math.random() * 200);
			randomCard = (int)(java.lang.Math.random() * 52);
			cardPos = (randomCard*cardWidth)+1;
			cardFilter = new CropImageFilter(cardPos,1,cardWidth,cardHeight);
			cardProducer = new FilteredImageSource(playingCards.getSource(),cardFilter);
			currImg = createImage(cardProducer);
			repaint();
		}
	}
	
	public void paint(Graphics g) {
		if (currImg != null && isRunning) {
			gScratch.setColor(this.getBackground());
			gScratch.fillRect(0,0,this.size().width,this.size().height);
			gScratch.setColor(Color.black);

gScratch.drawImage(currImg,thisPos+3,32,this);
			gScratch.drawRoundRect(thisPos+1,30,cardWidth+2,cardHeight+2,5,5);
			g.drawImage(winScratch,0,0,this);
		}
	}
	
	public final void update(Graphics g) {
		paint(g);
	}
	
	public boolean action(Event e, Object arg) {
		if (e.target instanceof Button) {
			if (isRunning) {
				isRunning = false;
				startStop.setLabel("Start");
				stop();
			}
			else {
				isRunning = true;
				startStop.setLabel("Stop");
				start();
			}
			return true;
		}
		return false;
	}
}