package com.jsyn.examples;
import java.awt.GridLayout;
import javax.swing.JApplet;
import javax.swing.JPanel;
import com.jsyn.JSyn;
import com.jsyn.Synthesizer;
import com.jsyn.swing.ExponentialRangeModel;
import com.jsyn.swing.JAppletFrame;
import com.jsyn.swing.PortControllerFactory;
import com.jsyn.swing.PortModelFactory;
import com.jsyn.swing.RotaryTextController;
import com.jsyn.unitgen.LineOut;
import com.jsyn.unitgen.LinearRamp;
import com.jsyn.unitgen.SawtoothOscillatorBL;
import com.jsyn.unitgen.UnitOscillator;
/**
* Play a sawtooth using a JSyn oscillator and some knobs.
*
* @author Phil Burk (C) 2010 Mobileer Inc
*
*/
public class SawFaders extends JApplet
{
private static final long serialVersionUID = -2704222221111608377L;
private Synthesizer synth;
private UnitOscillator osc;
private LinearRamp lag;
private LineOut lineOut;
public void init()
{
synth = JSyn.createSynthesizer();
// Add a tone generator. (band limited sawtooth)
synth.add( osc = new SawtoothOscillatorBL() );
// Add a lag to smooth out amplitude changes and avoid pops.
synth.add( lag = new LinearRamp() );
// Add an output mixer.
synth.add( lineOut = new LineOut() );
// Connect the oscillator to both left and right output.
osc.output.connect( 0, lineOut.input, 0 );
osc.output.connect( 0, lineOut.input, 1 );
// Set the minimum, current and maximum values for the port.
lag.output.connect( osc.amplitude );
lag.input.setup( 0.0, 0.5, 1.0 );
lag.time.set( 0.2 );
// Arrange the faders in a stack.
setLayout( new GridLayout( 0, 1 ) );
ExponentialRangeModel amplitudeModel = PortModelFactory.createExponentialModel( lag.input );
RotaryTextController knob = new RotaryTextController( amplitudeModel, 5 );
JPanel knobPanel = new JPanel();
knobPanel.add( knob );
add( knobPanel );
osc.frequency.setup( 50.0, 300.0, 10000.0 );
add( PortControllerFactory.createExponentialPortSlider( osc.frequency ) );
validate();
}
public void start()
{
// Start synthesizer using default stereo output at 44100 Hz.
synth.start();
// We only need to start the LineOut. It will pull data from the
// oscillator.
lineOut.start();
}
public void stop()
{
synth.stop();
}
/* Can be run as either an application or as an applet. */
public static void main( String args[] )
{
SawFaders applet = new SawFaders();
JAppletFrame frame = new JAppletFrame( "SawFaders", applet );
frame.setSize( 440, 200 );
frame.setVisible( true );
frame.test();
}
}