//ShowCanvas3.java
//Resize the images to the canvas size
//Andy Harris, 06/00

import java.awt.*;
import java.applet.*;
import java.awt.event.*;

public class ShowCanvas3 extends Applet implements ActionListener{

  Canvas theCanvas = new Canvas();
  Button btnA = new Button("A");
  Button btnB = new Button("B");
  Image imgA;
  Image imgB;
  Graphics g;
  
  public void init(){
    setLayout(new BorderLayout());
    add (theCanvas, BorderLayout.CENTER);

    Panel pnlSouth = new Panel();
    pnlSouth.add (btnA);
    pnlSouth.add (btnB);
    add (pnlSouth, BorderLayout.SOUTH);
    
    g = theCanvas.getGraphics();
    imgA = getImage(getCodeBase(), "A.jpg");
    imgB = getImage(getCodeBase(), "B.jpg");

    btnA.addActionListener(this);
    btnB.addActionListener(this);
    
  } // end init

  public void actionPerformed(ActionEvent e){
    Image currentImage = imgA;

    Dimension size = theCanvas.getSize();
    int ht = size.height;
    int wd = size.width;

    if (e.getSource() == btnA){
      currentImage = imgA;
    } else {
      currentImage = imgB;
    } // end if

    g.drawImage(currentImage, 0, 0, wd, ht, this);
  } // end actionPerformed;

    
} // end showA