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


public class ColorSelectApplet extends Applet implements AdjustmentListener
{  
   private Label redLabel;
   private Label greenLabel;
   private Label blueLabel;
   private Label HexLabel;
   
   private Scrollbar red;
   private Scrollbar green;
   private Scrollbar blue;
   
   private Canvas c;
   
   private String[] decimalToHexadecimal=
    {"00","01","02","03","04","05","06","07","08","09","0A","0B","0C","0D","0E","0F",
     "10","11","12","13","14","15","16","17","18","19","1A","1B","1C","1D","1E","1F",
     "20","21","22","23","24","25","26","27","28","29","2A","2B","2C","2D","2E","2F",
     "30","31","32","33","34","35","36","37","38","39","3A","3B","3C","3D","3E","3F",
     "40","41","42","43","44","45","46","47","48","49","4A","4B","4C","4D","4E","4F",
     "50","01","52","53","54","55","56","57","58","59","5A","5B","5C","5D","5E","5F",
     "60","61","62","63","64","65","66","67","68","69","6A","6B","6C","6D","6E","6F",
     "70","71","72","73","74","75","76","77","78","79","0A","7B","7C","7D","7E","7F",
     "80","81","82","83","84","85","86","87","88","89","8A","8B","8C","8D","8E","8F",
     "90","91","92","93","94","95","96","97","98","99","9A","9B","9C","9D","9E","9F",
     "A0","A1","A2","A3","A4","A5","A6","A7","A8","A9","AA","AB","AC","AD","AE","AF",
     "B0","B1","B2","B3","B4","B5","B6","B7","B8","B9","BA","BB","BC","BD","BE","BF",
     "C0","C1","C2","C3","C4","C5","C6","C7","C8","C9","CA","CB","CC","CD","CE","CF",
     "D0","D1","D2","D3","D4","D5","D6","D7","D8","D9","DA","DB","DC","DD","DE","DF",
     "E0","E1","E2","E3","E4","E5","E6","E7","E8","E9","EA","EB","EC","ED","EE","EF",
     "F0","F1","F2","F3","F4","F5","F6","F7","F8","F9","FA","FB","FC","FD","FE","FF",
    } ;
   
   public void init()
   {   
      //setSize(500,400);  // size of the applet
      setLayout(null);
      c = new Canvas();
      c.setSize(260,100);
      c.setBackground( Color.black);
      add(c);
      c.setLocation(120,10);
      
      redLabel = new Label("R  0");
      add(redLabel);
      redLabel.setBounds(120,140,55,15);
   
      red = new Scrollbar(Scrollbar.HORIZONTAL, 0, 0,0, 255);
      red.setBlockIncrement(16);
      red.addAdjustmentListener(this);
      add(red);
      red.setBounds(177,140,200,15);

      greenLabel = new Label("G  0");
      add(greenLabel);
      greenLabel.setBounds(120,160,55,15);
      
      green = new Scrollbar(Scrollbar.HORIZONTAL, 0,0, 0, 255);
      add(green);
      green.setBlockIncrement(16);
      green.addAdjustmentListener(this);
      green.setBounds(177,160,200,15);
       
      blueLabel = new Label("B  0");
      add(blueLabel);
      blueLabel.setBounds(120,180,55,15);
      
      blue = new Scrollbar(Scrollbar.HORIZONTAL, 0, 0,0, 255);
      add(blue);
      blue.setBlockIncrement(16);
      blue.addAdjustmentListener(this);
      blue.setBounds(177,180,200,15);
      
      HexLabel = new Label("HEX: 000000");
      add(HexLabel);
      HexLabel.setBounds(120,200,100,15); 
     
   }
   
   public void adjustmentValueChanged(AdjustmentEvent evt)
   {  redLabel.setText("R  " + red.getValue());
      greenLabel.setText("G  " + green.getValue());         
      blueLabel.setText("B  " + blue.getValue());
      HexLabel.setText("HEX: " + decimalToHexadecimal[red.getValue()] + 
         decimalToHexadecimal[green.getValue()]+decimalToHexadecimal[blue.getValue()]);
      c.setBackground(new Color(red.getValue(),
         green.getValue(), blue.getValue()));
      
      c.repaint();
   } 
   
  
}