//  This is the same as the earlier one which draws a house.  But notice
//  we have created a new class called House.  Then we create an object
//  of type house called h1.  And we draw the house by using the draw
//  method of House.

import java.awt.*;
import awb.*;
import java.awt.event.*;

public class HouseClass extends java.applet.Applet 
                           implements ActionListener
{
    Graphics g;
    Canvas c;
    Button b1, b2;
    House h1;

    public void init()
    {
        c = new Canvas();
        c.setSize(200,200);
        add(c);
        g = c.getGraphics();
        b1 = new Button("Start");
        b1.addActionListener(this);
        b2 = new Button("House");
        b2.addActionListener(this);
        h1 = new House(50,90,100,80,g);
        add(b1); add(b2);
    }

    public void actionPerformed(ActionEvent event)
    {
        Object cause = event.getSource();

        if (cause == b1)
	{
            g.setColor(Color.white);
            g.fillRect(0,0,200,200);
        }
        if (cause == b2) // Draw the house.
	{
            h1.draw();
	}
    }

    public class House
    {
        protected int hx,hy,hwidth,hheight;
        protected Graphics hg;

        public House(int x,int y,int width,int height, Graphics h)
        {
            hx = x;
            hy = y;
            hwidth = width;
            hheight = height;
            hg = h;
        }

        public void draw()
        {
            hg.setColor(Color.blue);
            hg.fillRect(hx,hy,hwidth,hheight);
            hg.setColor(Color.black);
            hg.fillRect(hx-(hwidth/20),hy,
                         hwidth+(hwidth/10),hheight/3);
            hg.setColor(Color.green);
            hg.fillRect(hx+(2*hwidth/3),hy+hheight/2,
                      hwidth/6, hheight/2);
            hg.fillRect(hx+(hwidth/4),hy+hheight/2,
                      hwidth/6, hheight/8);
            hg.setColor(Color.red);
            hg.fillRect(hx+(3*hwidth/4), hy-hheight/8,
                       hwidth/8, hheight/8);
        }
    }         
}