// file:    MyFrame2Applet.java
// author:  Robert Keller
// purpose: Applet version of MyFrame2

import java.applet.*;
import java.awt.*;                      // to get awt (abstract window toolkit)

public class MyFrame2Applet extends Applet
{
Image buffer;                                     // off-screen buffer

// init is called from the outside to initialize the Applet

public void init()
  {
  setup("My Frame", 50, 50);  
  }


// setup frame with title and position

void setup(String title, int x, int y)
  {
  setBackground(Color.white);                     // set the background color

  reshape(x, y, 500, 400);                        // set the location and size

  show();                                         // show the frame 
  }


// start the applet

public void start()
  {
  if( buffer == null )
    buffer = createImage(size().width, size().height);

  drawStuff();
  }


// over-ride update

public void update(Graphics g)
  {
  paint(g);
  }


// draw items in Graphics specified in argument; called by paint(g)

void drawStuff()
  {
  Graphics g = buffer.getGraphics();

  g.setColor(Color.black);                        // set the color for drawing
  g.drawRect(50, 50, 400, 300);                   // draw a rectangle
  g.fillOval(100, 100, 300, 200);                 // fill an oval

  g.setFont(new Font("Times", Font.BOLD, 20));  
  g.setColor(Color.yellow);
  g.drawString("Harvey Mudd College", 115, 210);  // draw a string
  }


// paint(Graphics) will be called by the system to paint the Frame when 
// necessary, e.g. when show() is called.  This call is done
// implicitly; we do not see it in the source.
// It is also called when the window is opened or moved.
// The Graphics of the frame will then be passed as an argument.

public void paint(Graphics g)
  {
  g.drawImage(buffer, 0, 0, null);
  }
}