93 lines
2.7 KiB
Java
93 lines
2.7 KiB
Java
//package soundsourceloc;
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import java.awt.BasicStroke;
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import java.awt.BorderLayout;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import javax.swing.JFrame;
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import javax.swing.JPanel;
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public class SoundSourceDraw extends JFrame {
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private static final long serialVersionUID = 1L;
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private final SoundLocDraw _soundLocDraw;
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public SoundSourceDraw() throws Exception {
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super("Sound Source Localization");
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_soundLocDraw = new SoundLocDraw();
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getContentPane().add(_soundLocDraw, BorderLayout.CENTER);
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}
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public void run() throws IOException {
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ProcessBuilder pb = new ProcessBuilder("/home/quentin/Documents/Projet_localisation/code_v1.03/sound-source-loc");
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pb = pb.redirectErrorStream(true);
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Process p = pb.start();
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InputStream is = p.getInputStream();
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InputStreamReader isr = new InputStreamReader(is);
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BufferedReader br = new BufferedReader(isr);
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String line;
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while (( line = br.readLine()) != null) {
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int sep=line.indexOf(';');
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float angle=Float.parseFloat(line.substring(0,sep));
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float relativePower=Float.parseFloat(line.substring(sep+1));
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//System.out.println("received sound loc: "+line);
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_soundLocDraw.setSound(angle,relativePower);
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}
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}
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@SuppressWarnings("serial")
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static private class SoundLocDraw extends JPanel {
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// sound angle, between -PI/2...+PI/2
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private float _angle;
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// relative power with respect to mean power (1.0=mean power)
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private float _relativePower;
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public void setSound(float angle, float relativePower) {
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_angle = angle;
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_relativePower = relativePower;
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repaint();
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}
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@Override
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protected void paintComponent(Graphics g) {
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super.paintComponent(g);
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Graphics2D g2d = (Graphics2D) g;
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Dimension d = getSize();
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int radius = Math.min(d.height, d.width / 2);
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int cx = d.width / 2;
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int cy = 0;
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int tx = cx + (int) (Math.cos(_angle + Math.PI / 2) * radius);
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int ty = cy + (int) (Math.sin(_angle + Math.PI / 2) * radius);
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g2d.drawOval(cx - radius, cy - radius, radius * 2, radius * 2);
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// use larger strokes for louder sounds:
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g2d.setStroke(new BasicStroke(1 + (int) ((Math.max(_relativePower,
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1) - 1.0) * 10)));
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g2d.drawLine(cx, cy, tx, ty);
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}
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}
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/**
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* Entry point: create the frame, and start listening to sound until closed.
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*/
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public static void main(String[] args) throws Exception {
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SoundSourceDraw snd = new SoundSourceDraw();
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snd.setSize(800, 400);
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snd.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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snd.setLocationRelativeTo(null);
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snd.setVisible(true);
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snd.run();
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}
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}
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