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/*
* Copyright 2010 Phil Burk, Mobileer Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jsyn.examples;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import javax.swing.JApplet;
import javax.swing.JLabel;
import javax.swing.JPanel;
import com.jsyn.JSyn;
import com.jsyn.Synthesizer;
import com.jsyn.scope.AudioScope;
import com.jsyn.swing.JAppletFrame;
import com.jsyn.swing.PortControllerFactory;
import com.jsyn.unitgen.LineOut;
/**
* Generate the waveform shown on the Google home page on 2/22/12.
*
* @author Phil Burk (C) 2010 Mobileer Inc
*/
public class SeeGoogleWave extends JApplet {
private static final long serialVersionUID = -831590388347137926L;
private Synthesizer synth;
private GoogleWaveOscillator googleWaveUnit;
private LineOut lineOut;
private AudioScope scope;
/* Can be run as either an application or as an applet. */
public static void main(String args[]) {
SeeGoogleWave applet = new SeeGoogleWave();
JAppletFrame frame = new JAppletFrame("Google Wave", applet);
frame.setSize(640, 500);
frame.setVisible(true);
frame.test();
frame.validate();
}
private void setupGUI() {
setLayout(new BorderLayout());
add(BorderLayout.NORTH, new JLabel("GoogleWave - elliptical segments"));
scope = new AudioScope(synth);
scope.addProbe(googleWaveUnit.output);
scope.setTriggerMode(AudioScope.TriggerMode.NORMAL);
scope.getView().setShowControls(false);
scope.start();
add(BorderLayout.CENTER, scope.getView());
JPanel southPanel = new JPanel();
southPanel.setLayout(new GridLayout(0, 1));
add(BorderLayout.SOUTH, southPanel);
southPanel.add(PortControllerFactory.createExponentialPortSlider(googleWaveUnit.frequency));
southPanel.add(PortControllerFactory.createExponentialPortSlider(googleWaveUnit.variance));
southPanel.add(PortControllerFactory.createExponentialPortSlider(googleWaveUnit.amplitude));
validate();
}
@Override
public void start() {
synth = JSyn.createSynthesizer();
synth.add(googleWaveUnit = new GoogleWaveOscillator());
googleWaveUnit.amplitude.setup(0.02, 0.5, 1.0);
googleWaveUnit.variance.setup(0.0, 0.0, 1.0);
googleWaveUnit.frequency.setup(40.0, 200.0, 1000.0);
// Add an output so we can hear it.
synth.add(lineOut = new LineOut());
googleWaveUnit.output.connect(0, lineOut.input, 0);
googleWaveUnit.output.connect(0, lineOut.input, 1);
setupGUI();
// Start synthesizer using default stereo output at 44100 Hz.
synth.start();
// Start lineOut so it can pull data from other units.
lineOut.start();
// We only need to start the LineOut. It will pull data from the
// oscillator.
lineOut.start();
}
@Override
public void stop() {
scope.stop();
synth.stop();
}
}
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