public void Create(ABC.Voice voice)
{
measures = new List <Measure>();
if (voice.items.Count == 0)
{
return;
}
var initialTimeSignature = voice.initialTimeSignature;
if (initialTimeSignature == string.Empty)
{
throw new BeatAlignmentException("Voice does not initially declare a time signature.");
}
timeSignature = TimeSignature.Parse(initialTimeSignature);
float t = 0;
int currentBeat = 1;
int lineNumber = 0;
Measure measure = new Measure(lineNumber);
Beat beat = new Beat(currentBeat);
for (int i = 0; i < voice.items.Count; i++)
{
switch (voice.items[i].type)
{
case ABC.Item.Type.Chord:
case ABC.Item.Type.Rest:
case ABC.Item.Type.Note:
var noteItem = voice.items[i] as ABC.Duration;
beat.items.Add(noteItem);
t += noteItem.duration;
if (t >= timeSignature.noteValue) // current beat is filled
{
measure.beats.Add(beat);
float beatCount = Mathf.Floor(t / timeSignature.noteValue);
currentBeat += (int)beatCount;
beat = new Beat(currentBeat);
t -= beatCount * timeSignature.noteValue;
}
break;
case ABC.Item.Type.MultiMeasureRest:
var measureRest = voice.items[i] as ABC.MultiMeasureRest;
if (measureRest.count > 1)
{
throw new LayoutException("Measure Rests of length greater than 1 are not currently supported.");
}
beat.items.Add(measureRest);
break;
case ABC.Item.Type.Bar:
measure.bar = voice.items[i];
if (beat.items.Count > 0)
{
measure.beats.Add(beat);
}
measures.Add(measure);
measure = new Measure(lineNumber);
currentBeat = 1;
beat = new Beat(currentBeat);
t = 0.0f;
break;
case ABC.Item.Type.LineBreak:
lineNumber += 1;
measure.lineNumber = lineNumber;
break;
}
}
if (beat.items.Count > 0)
{
measure.beats.Add(beat);
}
if (measure.beats.Count > 0)
{
measures.Add(measure);
}
}
public VoiceLayout(ABC.Voice v)
{
voice = v;
alignment = new Alignment();
alignment.Create(voice);
}
