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

  • Committer: Bazaar Package Importer
  • Author(s): Philippe Coval
  • Date: 2008-06-19 00:30:30 UTC
  • mto: (5.1.2 sid)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20080619003030-h719szrhsngou7c6
Tags: upstream-1.0
Import upstream version 1.0

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TuxGuitar/src/org/herac/tuxguitar/song/models/TGDuration.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 org.herac.tuxguitar.song.factory.TGFactory;
 
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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 abstract class TGDuration {
 
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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 = 960;
 
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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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         * 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 TGTupleto tupleto;
 
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        public TGDuration(TGFactory factory){
 
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                this.value = QUARTER;
 
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                this.dotted = false;
 
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                this.doubleDotted = false;
 
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                this.tupleto = factory.newTupleto();
 
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        }
 
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        public int getValue() {
 
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                return this.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 this.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 this.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 TGTupleto 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 = (long)( QUARTER_TIME * ( 4.0f / this.value ) ) ;
 
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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 TGDuration fromTime(TGFactory factory,long time){
 
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                TGDuration duration = factory.newDuration();
 
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                duration.setValue(TGDuration.SIXTY_FOURTH);
 
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                duration.setDotted(false);
 
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                duration.setDoubleDotted(false);
 
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                duration.getTupleto().setEnters(3);
 
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                duration.getTupleto().setTimes(2);
 
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                return fromTime(factory,time,duration);
 
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        }
 
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        public static TGDuration fromTime(TGFactory factory,long time,TGDuration minDuration){
 
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                return fromTime(factory, time, minDuration, 10);
 
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        }
 
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        public static TGDuration fromTime(TGFactory factory,long time,TGDuration minimum, int diff){
 
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                TGDuration duration = minimum.clone(factory);
 
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                TGDuration tmpDuration = factory.newDuration();
 
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                tmpDuration.setValue(TGDuration.WHOLE);
 
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                tmpDuration.setDotted(true);
 
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                boolean finish = false;
 
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                while(!finish){
 
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                        long tmpTime = tmpDuration.getTime();
 
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                        if(tmpTime - diff <= time){
 
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                                //if(tmpTime > duration.getTime()){
 
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                                if(Math.abs( tmpTime - time ) < Math.abs( duration.getTime() - time ) ){
 
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                                        duration = tmpDuration.clone(factory);
 
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                                }
 
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                        }
 
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                        if(tmpDuration.isDotted()){
 
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                                tmpDuration.setDotted(false);
 
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                        }else if(tmpDuration.getTupleto().isEqual(TGTupleto.NORMAL)){
 
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                                tmpDuration.getTupleto().setEnters(3);
 
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                                tmpDuration.getTupleto().setTimes(2);
 
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                        }else{
 
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                                tmpDuration.setValue(tmpDuration.getValue() * 2);
 
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                                tmpDuration.setDotted(true);
 
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                                tmpDuration.getTupleto().setEnters(1);
 
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                                tmpDuration.getTupleto().setTimes(1);
 
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                        }
 
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                        if(tmpDuration.getValue() > TGDuration.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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        /*
 
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        public int log2(){
 
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                return (int)((Math.log(getValue() ) / Math.log(2.0)) + 0.5f );
 
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        }
 
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        */
 
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        public int getIndex(){
 
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                int index = 0;
 
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                int value = this.value;
 
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                while( ( value = ( value >> 1 ) ) > 0 ){
 
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                        index ++;
 
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                }
 
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                return index;
 
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        }
 
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        public boolean isEqual(TGDuration 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 TGDuration clone(TGFactory factory){
 
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                TGDuration duration = factory.newDuration();
 
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                copy(duration);
 
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                return duration;
 
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        }
 
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        public void copy(TGDuration duration){
 
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                duration.setValue(getValue());
 
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                duration.setDotted(isDotted());
 
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                duration.setDoubleDotted(isDoubleDotted());
 
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                getTupleto().copy(duration.getTupleto());
 
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        }
 
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}