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

// Java Drawing Board
// Terrence Ma
// Modified from Java in a Nutshell

public class Board extends Applet {
  private int last_x = 0, last_y = 0;  // Fields to store a point in.

  // Set color
  public void init() {
    this.setBackground(Color.white);
    this.setForeground(Color.blue);
  }

  // Called when the user clicks
  public boolean mouseDown(Event e, int x, int y) {
    last_x = x; last_y = y;            // Remember the location of the click.
    return true;
  }

  // Called when the mouse moves with the button down
  public boolean mouseDrag(Event e, int x, int y)  {
    Graphics g = getGraphics();        // Get a Graphics to draw with.
    g.drawLine(last_x, last_y, x, y);  // Draw a line from last point to this.
    last_x = x; last_y = y;            // And update the saved location.
    return true;
  }
}