/*
 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle or the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */ 

package facebean;

import java.awt.*;
import javax.swing.*;

public class FaceBean extends JComponent {
    private int mMouthWidth = 90;
    private boolean mSmile = true;
    
    @Override
    public void paint(Graphics g) {
        Graphics2D g2 = (Graphics2D)g;
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);
        // Face
        int w = getWidth();
        int h = getHeight();
        int pad = 12;
        int cw = w - pad * 2;
        int ch = h - pad * 2;
        g2.setColor(getBackground());
        g2.fillArc(pad, pad, cw, ch, 0, 360);
        g2.setColor(getForeground());
        g2.drawArc(pad, pad, cw, ch, 0, 360);
        // Mouth
        int sw = cw / 2;
        int sh = ch / 2;
        if (mSmile == true)
            g2.drawArc(w / 2 - sw / 2, h / 2 - sh / 2, sw, sh, 270 - mMouthWidth / 2, mMouthWidth);
        else
            g2.drawArc(w / 2 - sw / 2, h / 2 + sh / 3, sw, sh, 90 - mMouthWidth / 2, mMouthWidth);
        // Eyes
        int er = 4;
        g2.fillArc(w / 2 - cw * 1 / 8 - er / 2, h / 2 - ch / 4 - er, er, er, 0, 360);
        g2.fillArc(w / 2 + cw * 1 / 8 - er / 2, h / 2 - ch / 4 - er, er, er, 0, 360);
    }
    
    public int getMouthWidth() {
        return mMouthWidth;
    }
    
    public void setMouthWidth(int mw) {
        mMouthWidth = mw;
        repaint();
    }
    
    public void smile() {
        mSmile = true;
        repaint();
    }
    
    public void frown() {
        mSmile = false;
        repaint();
    }
}