import java.applet.*;
import java.awt.*;
/**
    The SelfPortrait applet
    CS 170 - Homework 2
    @author Stephen Gilbert
    @version 1.0, July 24, 2002
*/
public class SelfPortrait extends Applet
{
    // Instance variables for positioning
    private int HEAD_HEIGHT = 200;
    private int HEAD_WIDTH    = 125;
    private int X = 15;
    private int Y = 15;
    // Eyes centered 1/3 of the way across the face
    private int LEFT_EYE  = X + HEAD_WIDTH / 3;
    private int RIGHT_EYE = X + HEAD_WIDTH / 3 * 2;
    private int EYE_Y = Y + HEAD_HEIGHT / 3;
    
    private Color skinColor = Color.pink;
    private Color beardColor = new Color(128, 128, 128);
    private Color eyeColor = new Color(64, 128, 64);
    
    public void paint(Graphics g)
    {
        drawHead(g);
        drawEye(LEFT_EYE, EYE_Y, g);
        drawEye(RIGHT_EYE, EYE_Y, g);
        drawNose(g);
        drawMouth(g);
        drawEars(g);
    }
    
    /**
     *    Displays a nicely shaped head, 
     *  along with the beard and the hair
     *  Uses the fillRoundRect() and setColor() methods
     */
    void drawHead(Graphics g)
    {
        int xArc = HEAD_WIDTH / 2;
        int yArc = HEAD_HEIGHT / 2;
        
        // Draw the beard and hair in dark gray
        Color beardColor = new Color(96, 96, 96);
        g.setColor(beardColor);
        g.fillRoundRect(X, Y, HEAD_WIDTH, HEAD_HEIGHT, xArc, yArc);
        
        // Now, draw the face in skin color
        int hairOffset = 5; // Size of the hair
        int faceX = X + hairOffset;  // Some space for hair
        int faceY = Y + hairOffset;
        int beardHeight = HEAD_HEIGHT / 4;
        int faceWidth = HEAD_WIDTH - hairOffset * 2;
        int faceHeight = HEAD_HEIGHT - hairOffset * 2 - beardHeight;
        
        g.setColor(skinColor);
        g.fillRoundRect(faceX, faceY, faceWidth, faceHeight, xArc, yArc);
    }
     
    /**
     *    Draws an eye, passed x, and y
     */
    void drawEye(int x, int y, Graphics g)
    {
        // Let's calcualate the eye size
        int glassesWidth = HEAD_WIDTH / 3;          // 1/3 of head
        int glassesHeight = glassesWidth * 2 / 3;   // 2/3 of width
        int eyeSize = glassesHeight / 2;            // eyball size
        
        // Start by drawing the glasses
        g.setColor(Color.black);
        g.fillOval( x - glassesWidth / 2, y - glassesHeight / 2,
                    glassesWidth, glassesHeight);
        
        // Fill in the inside with skin color
        int frameThickness = 3;
        g.setColor(skinColor);
        g.fillOval( x - glassesWidth / 2 + frameThickness, 
                    y - glassesHeight / 2 + frameThickness,
                    glassesWidth - frameThickness * 2,
                    glassesHeight - frameThickness * 2);
        
        // Draw the "whites" of the eyes
        g.setColor(Color.white);
        int startArc = 0;
        int degrees = 180;
        g.fillArc(  x - eyeSize, y - eyeSize / 2 + 1, 
                    eyeSize * 2, eyeSize + 2, 
                    startArc, degrees);
        
        // Now draw the eyeballs
        g.setColor(eyeColor);
        g.fillOval( x - eyeSize / 2, y - eyeSize / 2, 
            eyeSize, eyeSize);
        
        // Now draw the pupils
        int pupilWidth = 4;
        g.setColor(Color.black);
        g.fillOval( x- pupilWidth / 2, y - pupilWidth / 2, 
            pupilWidth, pupilWidth);
        
        // Now draw the lids and lashes
        // Draw the "whites" of the eyes
        g.setColor(Color.black);
        g.drawArc(  x - eyeSize, y - eyeSize / 2 + 1, 
                    eyeSize * 2, eyeSize + 2, 0, 180);
        
    }

    /**
     *    Draws the nose
     *  Uses the Color darker() method, along with the
     *  Graphics setColor(), fillOval(), and fillRoundRect()
     *  methods.
     */
    void drawNose(Graphics g)
    {
        int noseHeight = HEAD_HEIGHT / 3;   
        int noseWidth = HEAD_WIDTH / 10;    
        int y = Y + HEAD_HEIGHT / 4;
        int x = X + HEAD_WIDTH / 2 - noseWidth / 2;
        
        // Draw the nose shadow in a darker color
        Color noseColor = skinColor.darker();
        g.setColor(noseColor);
        
        // Nose & nostrils on either side
        g.fillOval( x, y, noseWidth, noseHeight);
        g.fillOval( x - noseWidth, y + noseHeight - noseWidth,
                    noseWidth * 3 / 2, noseWidth);
        g.fillOval( x + noseWidth / 2, y + noseHeight - noseWidth,
                    noseWidth * 3 / 2, noseWidth);
        
        // Draw a highlight down the center of the nose
        g.setColor(skinColor);
        int highlightWidth = noseWidth / 3;
        g.fillRoundRect( x + highlightWidth, y + noseWidth, 
                        highlightWidth, noseHeight - noseWidth - 2,
                        noseWidth, noseWidth);
        
    }
    
    /**
     *    Draws the ears
     *  Uses Color darker() and the Graphics
     *  fillArc() method
     */
    void drawEars(Graphics g)
    {
        int earHeight = HEAD_HEIGHT / 4;
        int earWidth = earHeight / 3;
        g.setColor( skinColor.darker() );
        // Left ear
        int startArc = 90;
        int degrees = 180;
        g.fillArc(  X - earWidth / 2, 
                    Y + HEAD_HEIGHT / 2 - earHeight / 2,
                    earWidth, earHeight,
                    startArc, degrees);
        // Right ear
        g.fillArc(  X + HEAD_WIDTH - earWidth / 2, 
                    Y + HEAD_HEIGHT / 2 - earHeight / 2,
                    earWidth,  earHeight,
                    -startArc, degrees);
    }

    /**
     *    Draws the Mouth
     */
    void drawMouth(Graphics g)
    {
        int mouthTop = Y + HEAD_HEIGHT / 2;
        int mouthWidth = HEAD_WIDTH / 2;
        int mouthHeight = HEAD_HEIGHT / 5;

        // Some teeth
        int teethX = X + HEAD_WIDTH / 4;
        int startArc = 0;
        int degrees = -180;
        g.setColor(Color.white);
        g.fillArc(teethX, mouthTop, 
            mouthWidth, mouthHeight, startArc, degrees);
        
        // The moustache
        g.setColor(Color.darkGray);
        startArc = 0;
        degrees = -130;
        g.fillArc( X , mouthTop, 
            mouthWidth, mouthHeight, startArc, degrees);
        
        startArc = 180;
        degrees = 130;
        g.fillArc( X + mouthWidth, mouthTop, 
            mouthWidth, mouthHeight, startArc, degrees);
    }
}