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Viewing changes to src/org/herac/tuxguitar/song/models/Duration.java

  • Committer: Bazaar Package Importer
  • Author(s): Philippe Coval
  • Date: 2007-02-04 01:41:23 UTC
  • Revision ID: james.westby@ubuntu.com-20070204014123-9pv7okph0iaiqkvw
Tags: upstream-0.9.1
Import upstream version 0.9.1

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src/org/herac/tuxguitar/song/models/Duration.java
 
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/*
 
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 * Created on 29-nov-2005
 
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 *
 
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 * TODO To change the template for this generated file go to
 
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 * Window - Preferences - Java - Code Style - Code Templates
 
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 */
 
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package org.herac.tuxguitar.song.models;
 
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import java.io.Serializable;
 
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/**
 
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 * @author julian
 
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 *
 
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 * TODO To change the template for this generated type comment go to
 
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 * Window - Preferences - Java - Code Style - Code Templates
 
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 */
 
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public class Duration implements Serializable{    
 
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    /**
 
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     * tiempo por defecto de la Negra.
 
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     */
 
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    public static final long QUARTER_TIME = 1000;    
 
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    /**
 
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     * Redonda
 
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     */
 
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    public static final int WHOLE = 1;
 
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    /**
 
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     * Blanca.
 
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     */
 
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    public static final int HALF = 2;
 
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    /**
 
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     * Negra.
 
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     */
 
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    public static final int QUARTER = 4;
 
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    /**
 
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     * Corchea.
 
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     */
 
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    public static final int EIGHTH = 8;
 
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    /**
 
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     * Semi-Corchea.
 
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     */
 
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    public static final int SIXTEENTH = 16;
 
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    /**
 
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     * Fusa.
 
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     */
 
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    public static final int THIRTY_SECOND = 32;
 
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    /**
 
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     * Semi-Fusa.
 
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     */
 
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    public static final int SIXTY_FOURTH = 64;    
 
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    /**
 
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     * Sin tupleto
 
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     */    
 
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    public static final Tupleto NO_TUPLETO = new Tupleto(1,1);
 
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    /**
 
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     * Valor
 
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     */
 
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    private int value;
 
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    /**
 
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     * Puntillo
 
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     */
 
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    private boolean dotted;
 
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    /**
 
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     * Doble Puntillo
 
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     */
 
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    private boolean doubleDotted;    
 
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    /**
 
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     * Tupleto
 
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     */
 
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    private Tupleto tupleto;
 
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    public Duration(int value,boolean dotted,boolean doubleDotted,Tupleto tupleto){
 
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        this.value = value;    
 
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        this.dotted = dotted;
 
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        this.doubleDotted = doubleDotted;
 
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        this.tupleto = tupleto;
 
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    }
 
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    public Duration(int value){
 
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        this(value,false,false,new Tupleto(1,1));
 
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    }
 
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    public int getValue() {
 
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        return value;
 
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    }
 
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    public void setValue(int value) {
 
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        this.value = value;
 
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    }
 
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    public boolean isDotted() {
 
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        return dotted;
 
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    }
 
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    public void setDotted(boolean dotted) {
 
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        this.dotted = dotted;
 
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    }
 
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    public boolean isDoubleDotted() {
 
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        return doubleDotted;
 
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    }
 
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    public void setDoubleDotted(boolean doubleDotted) {
 
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        this.doubleDotted = doubleDotted;
 
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    }
 
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    public Tupleto getTupleto(){
 
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        return this.tupleto;
 
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    }
 
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    public long getTime(){
 
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        long time = 0;
 
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        switch(this.value){
 
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                case WHOLE:
 
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                    time = QUARTER_TIME * 4;
 
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                    break;
 
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                case HALF:
 
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                    time = QUARTER_TIME * 2;
 
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                    break;                                  
 
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                case QUARTER:
 
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                    time = QUARTER_TIME;
 
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                    break;                                  
 
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                case EIGHTH:
 
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                    time = QUARTER_TIME / 2;
 
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                    break;                                  
 
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                case SIXTEENTH:
 
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                    time = QUARTER_TIME / 4;
 
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                    break;                                  
 
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                case THIRTY_SECOND:
 
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                    time = QUARTER_TIME / 8;
 
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                    break;                                  
 
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                case SIXTY_FOURTH:
 
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                    time = QUARTER_TIME / 16;
 
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                    break;                                  
 
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        }
 
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        if(this.dotted){
 
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            time += time / 2;
 
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        }else if(this.doubleDotted){
 
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            time += ((time / 4) * 3);
 
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        }
 
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        return this.tupleto.convertTime(time);
 
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    }
 
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    public static Duration fromTime(long time){
 
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        return fromTime(time,new Duration(Duration.SIXTY_FOURTH,false,false,new Tupleto(3,2)));
 
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    }
 
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    public static Duration fromTime(long time,Duration minDuration){
 
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        //Duration duration =  new Duration(Duration.SIXTY_FOURTH,false,false,new Tupleto(3,2));
 
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        Duration duration = (Duration)minDuration.clone();
 
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        int marginTime = 10;
 
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        Duration tempDuration = new Duration(Duration.WHOLE);
 
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        tempDuration.setDotted(true);
 
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        boolean finish = false;        
 
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        while(!finish){
 
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            long currentDurationTime = tempDuration.getTime();
 
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            if(currentDurationTime - marginTime <= time){
 
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                if(currentDurationTime > duration.getTime()){
 
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                        duration = (Duration)tempDuration.clone();
 
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                }
 
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            }
 
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            if(tempDuration.isDotted()){                
 
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                tempDuration.setDotted(false);
 
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            }else if(tempDuration.getTupleto().isEqual(Duration.NO_TUPLETO)){
 
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                tempDuration.getTupleto().setEnters(3);
 
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                tempDuration.getTupleto().setTimes(2);
 
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            }else{
 
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                tempDuration.setValue(tempDuration.getValue() * 2);
 
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                tempDuration.setDotted(true);            
 
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                tempDuration.getTupleto().setEnters(1);
 
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                tempDuration.getTupleto().setTimes(1);
 
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            }
 
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            if(tempDuration.getValue() > Duration.SIXTY_FOURTH){
 
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                finish = true;
 
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            }
 
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        }        
 
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        return duration;
 
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        /*
 
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        while(!finish){
 
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            long currentDurationTime = duration.getTime();
 
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            if(currentDurationTime - marginTime <= time){
 
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                return duration;
 
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            }else{
 
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                if(duration.isDotted()){                
 
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                        duration.setDotted(false);
 
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                }else{
 
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                        duration.setValue(duration.getValue() * 2);
 
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                        duration.setDotted(true);                       
 
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                }
 
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            }
 
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            if(duration.getValue() > Duration.SIXTY_FOURTH){
 
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                finish = true;
 
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            }
 
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        }
 
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        return null;
 
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        */
 
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    }
 
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    public int log2(){
 
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        return (int)(Math.log(getValue() ) / Math.log(2.0));
 
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    }
 
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    public boolean isEqual(Duration d){
 
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        return (getValue() == d.getValue() && isDotted() == d.isDotted() && isDoubleDotted() == d.isDoubleDotted() && getTupleto().isEqual(d.getTupleto()));
 
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    }
 
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    public Object clone(){
 
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        return new Duration(this.value,this.dotted,this.doubleDotted,(Tupleto)this.tupleto.clone());
 
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    }
 
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}