/*
 * PannalPanel.java
 *
 * Created on laupäev, 9, Juuni 2001, 13:32
 */


import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.sound.sampled.*;

/**
 *
 * @author  RIF21
 * @version
 */
public class PannalPanel extends JPanel implements Runnable{

private int width;
private int height;

int  kandesagedus = 10000;
int bufSize = 1000;
int  sagedus = 400;
int  nr = 0;

private boolean makeSound = false;

SourceDataLine line = null;

private double posX;
private double oldPos;

public PannalPanel() {
	initComponents ();

	try{
		AudioFormat formaat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
		            kandesagedus, 8, 1, 1, kandesagedus, false); 
		line = (SourceDataLine) AudioSystem.getLine(
		    new DataLine.Info(SourceDataLine.class, formaat,  AudioSystem.NOT_SPECIFIED)
		);
		line.open(formaat, bufSize);
		System.out.println(line.getBufferSize());
		line.start();
	}catch(Exception e){
		e.printStackTrace();
	}
		
}

public void finalize(){
	System.out.println("Finalizing :)");
	line.close();		
}

public void run() {
	byte[] andmed=new byte[bufSize]; 
	int jrk = 0;
	
	while(true){
	if(makeSound){
		while(nr<andmed.length){
			andmed[nr]=(byte)(
			100*Math.sin(2*Math.PI*jrk*sagedus*posX/kandesagedus));
			nr++;
			jrk++;
		}
		oldPos = posX;
		nr = 0;

		try{
			line.write(andmed, 0, andmed.length);
		}catch(Exception ex){ex.printStackTrace();}
		jrk=(int) ((jrk*oldPos)/posX);
	}else{
		jrk = 0;
	}//end if(makeSound)
	//try{Thread.sleep(3);}catch(Exception e){}
	}//end while

}

/** This method is called from within the constructor to
 * initialize the form.
 */
private void initComponents () {
	setLayout (new java.awt.BorderLayout ());
	addComponentListener (new ComponentAdapter () {
		public void componentResized (ComponentEvent evt) {
			formComponentResized(evt);
		}
	}
	);
	addMouseListener (new MouseAdapter () {
		public void mousePressed (MouseEvent evt) {
			formMousePressed(evt);
		}
		public void mouseReleased (MouseEvent evt) {
			formMouseReleased(evt);
		}
	}
	);
	addMouseMotionListener (new MouseMotionAdapter () {
		public void mouseMoved (MouseEvent evt) {
			formMouseMoved(evt);
		}
		public void mouseDragged (MouseEvent evt) {
			formMouseMoved(evt);
		}
	}
	);

}

private void formComponentResized (ComponentEvent evt) {
	width = getSize().width;
	height = getSize().height;

	new Thread(this).start();

}

private void formMouseReleased (MouseEvent evt) {
	System.out.println("Piiks lõpeb");
	makeSound = false;
}

private void formMousePressed (MouseEvent evt) {
	System.out.println("Piiks algab");
	makeSound = true;
}

private void formMouseMoved (MouseEvent evt) {
	posX = (double)evt.getY()/(double)height;
}

public static void main(String[] args) {
	JFrame f = new JFrame("Naudi häälekest");
	f.getContentPane().setLayout(new BorderLayout());
	f.setSize(200,300);
	f.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				System.exit(0);
			}
		});
	
	f.getContentPane().add(new PannalPanel(), BorderLayout.CENTER);
	
	f.show();
}

}