Mouse Gesture Composer (MGC) Code

package core;

import java.io.Serializable;
import java.util.Calendar;

/* Measure est une transposition du concept de mesure en musique classique
 * Attention! Cette classe n'est pas synchronis�e avec la fonction draw() de processing
 * Elle compte elle-m�me le temps via la fonction "tic"
 * Le sampling est sensible � la dur�e de la mesure
 * Une mesure lente est moins pr�cise temporellement qu'une mesure courte 
 * */
public class Measure implements Serializable {
	
	public static final int sampling = 192000; // sampling: this means there are 192000 slots in one beat, not more. getRelativeCurrent will always returns a value between 0 and sampling
	private long absoluteStartTime;
	private long startTime;
	private long current;
	private int duration; // dur�e d'une mesure
	private int count; // sert � compter le nombre de mesures depuis le d�marrage et � savoir si un mouseGesture dure plus d'une mesure
	private boolean indexed = false;
	private int index; // sert � identifier chaque mesure depuis le d�marrage
	
	private int divisions;
	
	/* The length of a beat is its duration in frames
	 * */
	public Measure(int durationInMillisecond, boolean enableMeasureIndexing) {
		this.absoluteStartTime = System.currentTimeMillis();
		this.startTime = this.absoluteStartTime;
		this.current = 0;
		this.duration = durationInMillisecond;
		this.indexed = enableMeasureIndexing;
		this.index = 0;
		this.divisions = 4;
	}
	
	private void tic() {
		long cmillis = System.currentTimeMillis();
		current = cmillis - this.startTime;
		if (current >= duration) {
			this.count++;
			if (this.indexed) { this.index++; }
			this.startTime = cmillis;
			/*
			Calendar cal = Calendar.getInstance();
			cal.setTimeInMillis(cmillis);
			java.util.Date date = cal.getTime();
			System.out.println(date);
			*/
		}
		while (current >= duration) { current -= duration; }
	}
	
	public float getRelativeNow() {
		tic();
		return (float)current/(float)duration;
	}

	public int getCount() {
		tic();
		return count;
	}

	public int getIndex() {
		tic();
		return index;
	}
	
	public int getSamplingFor(long millis) {
		long cmillis = millis - absoluteStartTime;
		while (cmillis >= duration) { cmillis-=duration; }
		return (int) (((float)cmillis/(float)duration)*(float)sampling);
	}
	
	public int getSampledNow() {
		tic();
		return (int) (((float)current/(float)duration)*(float)sampling);
	}
	
	public int getSampledBeforeNow() {
		int n = getSampledNow();
		n--;
		if (n < 0) { n = duration-1; }
		return n;
	}

	public int getDivisions() {
		return divisions;
	}

	public int getDuration() {
		return duration;
	}
	
}