/*
 * HappyFace.java      Author: Koffman and Wolz
 * An applet that draws a happy face
 */
import java.awt.*;
import java.applet.Applet;

public class HappyFace extends Applet {
     // Data fields
     private int maxX = 500;
     private int maxY = 400;
     private int headX = maxX / 2;
     private int headY = maxY / 2;
     private int headRadius = maxY / 4;
     private int leftEyeX = headX - headRadius / 4;
     private int rightEyeX = headX + headRadius / 4;
     private int eyeY = headY - headRadius / 4;
     private int eyeRadius = headRadius / 10;
     private int noseX = headX;
     private int noseY = headY + headRadius / 4;
     private int noseRadius = eyeRadius;
     protected int smileRadius = (int) Math.round(0.75 * headRadius);

     // Methods
     public void paint(Graphics g) {
        g.setColor(Color.black);

        // Draw head.
        g.drawOval(headX - headRadius,
                   headY - headRadius,
                   2 * headRadius, 2 * headRadius);

        // Draw left eye.
        g.drawOval(leftEyeX - eyeRadius,
                   eyeY - eyeRadius,
                   2 * eyeRadius, 2 * eyeRadius);

        // Draw right eye.
        g.drawOval(rightEyeX - eyeRadius,
                   eyeY - eyeRadius,
                   2 * eyeRadius, 2 * eyeRadius);

        // Draw nose.
        g.drawOval(noseX - noseRadius,
                   noseY - noseRadius,
                   2 * noseRadius, 2 * noseRadius);

        // Draw smile.
        g.drawArc(headX - smileRadius,
                  headY - smileRadius,
                  2 * smileRadius, 2 * smileRadius,
                  210, 120);
     }
} // Class HappyFace