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

public class TilingApplet extends JApplet {

    // define constants
    private final int APPLET_WIDTH = 320;
    private final int APPLET_HEIGHT = 320;
    private final int MIN = 20; // minimum picture size

    // references for the images
    private Image earth, flowers, pillars;

    public void init() {
	earth = getImage(getDocumentBase(), "gal_australia.jpg");
	flowers = getImage(getDocumentBase(), "flowers_and_leaves.jpg"); 
	pillars = getImage(getDocumentBase(), "hst_pillars_m16_close.jpg");

	setSize(APPLET_WIDTH, APPLET_HEIGHT);
    }
    
    public void drawPictures(int size, Graphics panel) {
	panel.drawImage(earth, 0,size/2, size/2, size/2, this);
	panel.drawImage(flowers, size/2, 0, size/2, size/2, this);
	panel.drawImage(pillars, size/2, size/2, size/2, size/2, this);

	if (size > MIN) {
	    drawPictures(size/2, panel);
	}
    }
    public void paint(Graphics panel) {
	drawPictures(APPLET_WIDTH, panel);
    }
    
}