/*

Author:       Bill Manaris
Email:        manaris@cs.cofc.edu
Class:        CSCI 220
Assignment:   HMWK # 6
Due Date:     April 21, 2004 

Task:    This program demonstrates the three pattern transformers that come 
         with JFugue.  

Input:   None. 

Output:  MIDI notes and events to the MIDI output device.  

Credits: Adapted from JFugue source, org\jfugue\examples\CrabCanon.java
         
*/

import org.jfugue.*;
import org.jfugue.demo.*;

public class DemoPatternTransformers 
{
   public static void main(String[] args)
    {
        Player player = new Player();
        Pattern canon = new Pattern();

        // Crab Canon
        Pattern theme = new Pattern("D4h E4h A4h Bb4h C#4h Rq A4q "+
                       "A4q Ab4h G4q G4q F#4h F4q F4q E4q Eb4q D4q "+
                       "C#4q A3q D4q G4q F4h E4h D4h F4h "+
                       "A4i G4i A4i D5i A4i F4i E4i F4i G4i A4i B4i C#5i "+
                       "D5i F4i G4i A4i Bb4i E4i F4i G4i A4i G4i F4i E4i "+
                       "F4i G4i A4i Bb4i C5i Bb4i A4i G4i A4i Bb4i C5i D5i "+
                       "Eb5i C5i Bb4i A4i B4i C#5i D5i E5i F5i D5i C#5i B4i "+
                       "C#5i D5i E5i F5i G5i E5i A4i E5i D5i E5i F5i G5i "+
                       "F5i E5i D5i C#5i D5q A4q F4q D4q");

        // Reverse the theme
        ReversePatternTransformer rpt = new ReversePatternTransformer();
        Pattern reverseTheme = rpt.transform(theme);

        // Slow down the theme
        DurationPatternTransformer dpt = new DurationPatternTransformer(); 
        dpt.putVariable(DurationPatternTransformer.FACTOR, new Double(0.75));
        Pattern diminutedTheme = dpt.transform(theme);
        
        // Move the theme up five steps (semitones)
        IntervalPatternTransformer ipt = new IntervalPatternTransformer();
        ipt.putVariable(IntervalPatternTransformer.INTERVAL, new Integer(3));
        Pattern upThreeStepsTheme = ipt.transform(theme);

        // Combine the four voices
        canon.add("V0 " + theme.getMusicString());
        //System.out.println(theme.getMusicString());      // to see the original music string on the console
        canon.add("V1 " + reverseTheme.getMusicString());
        //canon.add("V2 " + diminutedTheme.getMusicString());
        //canon.add("V3 " + upThreeStepsTheme.getMusicString());

        // Play the song!
        player.play(canon);
        //player.save(canon,"crab.mid");                     // save a MIDI file to play later

        // Exit the program
        System.exit(0);
    }
}