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

public class GDemo2 extends java.applet.Applet implements ActionListener
// A demonstration program for the Graphics methods drawLine, drawOval,
// and drawRect.
{
    Graphics g;
    Canvas c;
    IntField iX, iY;
    Button b1, b2, b3, b4, b5;
    int x, y;
   
    public void init()
    {   
        c = new Canvas();
        c.setSize(200, 200);
        add(c);
        g = c.getGraphics();
        b1 = new Button("Start");
        b2 = new Button("Oval");
        b3 = new Button("Rectangle");
        b4 = new Button("SetCorner");
        b5 = new Button("Shift");
        iX = new IntField(20);
        iY = new IntField(20);
        b1.addActionListener(this);
        b2.addActionListener(this);
        b3.addActionListener(this);
        b4.addActionListener(this);
        b5.addActionListener(this);
        add(iX); add(iY);
        add(b1); add(b2); add(b3); add(b4); add(b5);
    }           
        
    public void actionPerformed(ActionEvent event)
    {
        Object cause = event.getSource();
        
        if (cause == b1)                                                    
        {
            g.setColor(Color.white);	 // Color the whole canvas white
            g.fillRect(0, 0, 200, 200);
        }
        if (cause == b2)
        {
            g.setColor(Color.green);
            g.drawOval(x, y, 100, 50); // Demonstrate drawOval
        }
        if (cause == b3)
        {
            g.setColor(Color.red);
            g.drawRect(x, y, 100, 50); // Demonstrate drawRect
        }
        if (cause == b4)
        {
            x = iX.getInt();
            y = iY.getInt();
        }
        if (cause == b5)
        {
            x = x + 5;
            y = y + 5;
        }
    }
}