Program Buat Color RGB

Alhamdulillah pada postingan kali ini saya buat tentang color RGB dari java Neatbeans, pada program ini saya buat untuk tugas praktikum GRAFKOM dan semoga adanya program ini bisa menambah wawasan khususnya bagi para pembaca. langsung lihat saja contoh programnya di bawah ini :
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package colours;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.awt.geom.*;
import java.awt.Panel.*;


/**
 *
 * @author apli2-6
 */
public class Main extends JApplet{

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here

        JFrame frame = new  JFrame();
        frame.setTitle("colors");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JApplet applet = new Main();
        applet.init();
        frame.getContentPane().add(applet);
        frame.pack();
        frame.setVisible(true);

    }
ColorPanel panel;
public void init(){
    panel = new ColorPanel();
    Container cp = getContentPane();
    cp.setLayout(new BorderLayout());
    cp.add(panel, BorderLayout.CENTER);
    JPanel P = new JPanel();

    cp.add(P, BorderLayout.EAST);
    P.setLayout(new GridLayout(1, 3, 30, 10));
    JSlider slider =new JSlider(JSlider.VERTICAL, 0, 255, 100);

    P.add(slider);
    slider.addChangeListener(new ChangeListener() {

            public void stateChanged(ChangeEvent ev) {
                panel.red = ((JSlider)(ev.getSource())).getValue();
               panel.repaint();
            }
        });

        slider = new JSlider(JSlider.VERTICAL, 0, 255, 100);
        P.add(slider);
        slider.addChangeListener(new ChangeListener() {

            public void stateChanged(ChangeEvent ev) {
                panel.green = ((JSlider)(ev.getSource())).getValue();
               panel.repaint();
            }
        });

        slider = new JSlider(JSlider.VERTICAL, 0, 255, 100);
        P.add(slider);
        slider.addChangeListener(new ChangeListener() {

            public void stateChanged(ChangeEvent ev) {
                panel.blue = ((JSlider)(ev.getSource())).getValue();
                panel.repaint();

            }
        });


    }



}


class ColorPanel extends JPanel{
    int red = 100;
    int green = 100;
    int blue = 100;


 public ColorPanel(){
     setPreferredSize(new Dimension(500, 500));
     setBackground(Color.white);
 }

 public void paintComponent (Graphics g){
     super.paintComponent(g);
     Graphics2D g2 = (Graphics2D)g;
     Shape rc = new Ellipse2D.Double(100, 113, 200, 200);

     Shape gc = new Ellipse2D.Double(50, 200, 200, 200);
     Shape bc = new Ellipse2D.Double(150, 200, 200, 200);

     Area ra = new Area(rc);
     Area ga = new Area(gc);
     Area ba =new Area(bc);
     Area rga = new Area(rc);
     rga.intersect(ga);
     Area gba = new Area(gc);
     gba.intersect(ba);

     Area bra = new Area(bc);
     bra.intersect(ra);

     Area rgba = new Area(rga);
     rgba.intersect(ba);
     ra.subtract(rga);
     ra.subtract(bra);
     ra.subtract(rga);
     ra.subtract(gba);
     ba.subtract(bra);
     ba.subtract(gba);



     g2.setColor((new Color(red, 0, 0)));
     g2.fill(ra);
     g2.setColor((new Color(0, green, 0)));
     g2.fill(ga);
     g2.setColor((new Color(0, 0, blue)));
     g2.fill(ba);
     g2.setColor((new Color(red, green, 0)));
     g2.fill(rga);

     g2.setColor((new Color(0, green, blue)));
     g2.fill(gba);


       g2.setColor((new Color(red, 0,  blue)));
     g2.fill(bra);
       g2.setColor((new Color(red, green, blue)));
     g2.fill(rgba);

     g2.setColor(Color.black);
     g2.draw(rc);
     g2.draw(gc);
     g2.draw(bc);



 }
}