//
//    HSBカラーとRGB
//
// 2001/ 3/16 宍戸　輝光
//

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

public class chsb extends java.applet.Applet implements AdjustmentListener {

	Label lb[]=new Label[3];
	Scrollbar sc[]=new Scrollbar[3];
	Panel pl[]=new Panel[3];
	TextField fr,fg,fb;

	Panel pnl,pnl2;

	public void start() {

		setLayout(new BorderLayout());
		setBackground(Color.getHSBColor
		             ((float)0.5,(float)0.5,(float)0.5));

		pnl=new Panel();
		pnl.setLayout(new GridLayout(1,3));
		pnl.setBackground(new Color(192,192,192));

		lb[0]=new Label("H:0.50");
		lb[1]=new Label("S:0.50");
		lb[2]=new Label("B:0.50");

		for (int i=0;i<3;i++) {

			sc[i]=new Scrollbar
			      (Scrollbar.HORIZONTAL,10,1,0,21);

			sc[i].addAdjustmentListener(this);

			pl[i]=new Panel();
			pl[i].add(lb[i]);
			pl[i].add(sc[i]);

			pnl.add(pl[i]);

		}

		add("North",pnl);

		pnl2=new Panel();
		pnl2.setBackground(new Color(192,192,192));

		fr=new TextField(6);
		pnl2.add(fr);
		fg=new TextField(6);
		pnl2.add(fg);
		fb=new TextField(6);
		pnl2.add(fb);

		add("South",pnl2);

	}

	public void adjustmentValueChanged(AdjustmentEvent e) {

		float h,s,b;

		h=(float)sc[0].getValue()/20;
		s=(float)sc[1].getValue()/20;
		b=(float)sc[2].getValue()/20;

		lb[0].setText("H:"+String.valueOf(h));
		lb[1].setText("S:"+String.valueOf(s));
		lb[2].setText("B:"+String.valueOf(b));

		setBackground(Color.getHSBColor(h,s,b));

		int rgb=Color.HSBtoRGB(h,s,b);
		int rr=(rgb & 0x00ff0000) >> 16;
		int rg=(rgb & 0x0000ff00) >> 8;
		int rb=rgb & 0x000000ff;

		fr.setText("R:"+String.valueOf(rr));
		fg.setText("G:"+String.valueOf(rg));
		fb.setText("B:"+String.valueOf(rb));

	}

}