/// <summary>
/// Rests dont have lyrics, so their index in the VoiceDef can't be shown as a lyric.
/// Overridden by Clytemnestra, where the index is inserted before her lyrics.
/// </summary>
/// <param name="voiceDef"></param>
public virtual void SetLyricsToIndex()
{
for (int index = 0; index < _uniqueDefs.Count; ++index)
{
IUniqueSplittableChordDef lmcd = _uniqueDefs[index] as IUniqueSplittableChordDef;
if (lmcd != null)
{
lmcd.Lyric = index.ToString();
}
}
}
/// <summary>
/// Returns two bars. The first is the beginning of the argument bar up to absoluteSplitPos,
/// The second is the end of the argument bar beginning at absoluteSplitPos.
/// The final UniqueMidiDurationDef in each voice.UniqueMidiDurationDefs list is converted
/// to a FinalLMDDInVoice object containing an MsDurationToBarline property.
/// If a chord or rest overlaps a barline, a LocalizedCautionaryChordDef object is created at the
/// start of the voice.UniqueMidiDurationDefs in the second bar. A LocalizedCautionaryChordDef
/// object is a kind of chord which is used while justifying systems, but is not displayed and
/// does not affect performance.
/// ClefChangeDefs are placed at the end of the first bar, not at the start of the second bar.
/// </summary>
protected List <List <VoiceDef> > SplitBar(List <VoiceDef> originalBar, int absoluteSplitPos)
{
List <List <VoiceDef> > twoBars = new List <List <VoiceDef> >();
List <VoiceDef> firstBar = new List <VoiceDef>();
List <VoiceDef> secondBar = new List <VoiceDef>();
twoBars.Add(firstBar);
twoBars.Add(secondBar);
int originalBarStartPos = originalBar[0].UniqueDefs[0].MsPosition;
int originalBarEndPos =
originalBar[0].UniqueDefs[originalBar[0].UniqueDefs.Count - 1].MsPosition +
originalBar[0].UniqueDefs[originalBar[0].UniqueDefs.Count - 1].MsDuration;
VoiceDef firstBarVoice;
VoiceDef secondBarVoice;
foreach (VoiceDef voice in originalBar)
{
TrkDef outputVoice = voice as TrkDef;
if (outputVoice != null)
{
firstBarVoice = new TrkDef(outputVoice.MidiChannel, new List <IUniqueDef>());
firstBar.Add(firstBarVoice);
secondBarVoice = new TrkDef(outputVoice.MidiChannel, new List <IUniqueDef>());
secondBar.Add(secondBarVoice);
}
else
{
firstBarVoice = new InputVoiceDef();
firstBar.Add(firstBarVoice);
secondBarVoice = new InputVoiceDef();
secondBar.Add(secondBarVoice);
}
foreach (IUniqueDef iUnique in voice.UniqueDefs)
{
int udMsDuration = iUnique.MsDuration;
IUniqueSplittableChordDef uniqueChordDef = iUnique as IUniqueSplittableChordDef;
if (uniqueChordDef != null)
{
udMsDuration = (uniqueChordDef.MsDurationToNextBarline == null) ? iUnique.MsDuration : (int)uniqueChordDef.MsDurationToNextBarline;
}
int udEndPos = iUnique.MsPosition + udMsDuration;
if (iUnique.MsPosition >= absoluteSplitPos)
{
if (iUnique.MsPosition == absoluteSplitPos && iUnique is ClefChangeDef)
{
firstBarVoice.UniqueDefs.Add(iUnique);
}
else
{
Debug.Assert(udEndPos <= originalBarEndPos);
secondBarVoice.UniqueDefs.Add(iUnique);
}
}
else if (udEndPos > absoluteSplitPos)
{
int durationAfterBarline = udEndPos - absoluteSplitPos;
if (iUnique is RestDef)
{
// This is a rest. Split it.
RestDef firstRestHalf = new RestDef(iUnique.MsPosition, absoluteSplitPos - iUnique.MsPosition);
firstBarVoice.UniqueDefs.Add(firstRestHalf);
RestDef secondRestHalf = new RestDef(absoluteSplitPos, durationAfterBarline);
secondBarVoice.UniqueDefs.Add(secondRestHalf);
}
else if (iUnique is CautionaryChordDef)
{
// This is a cautionary chord. Set the position of the following barline, and
// Add an LocalizedCautionaryChordDef at the beginning of the following bar.
iUnique.MsDuration = absoluteSplitPos - iUnique.MsPosition;
firstBarVoice.UniqueDefs.Add(iUnique);
CautionaryChordDef secondLmdd = new CautionaryChordDef((IUniqueChordDef)iUnique, absoluteSplitPos, durationAfterBarline);
secondBarVoice.UniqueDefs.Add(secondLmdd);
}
else
{
// This is a MidiChordDef or a InputChordDef.
// Set the position of the following barline, and add a CautionaryChordDef at the beginning
// of the following bar.
if (uniqueChordDef != null)
{
uniqueChordDef.MsDurationToNextBarline = absoluteSplitPos - iUnique.MsPosition;
}
firstBarVoice.UniqueDefs.Add((IUniqueDef)uniqueChordDef);
CautionaryChordDef secondLmdd = new CautionaryChordDef((IUniqueChordDef)uniqueChordDef,
absoluteSplitPos, durationAfterBarline);
secondBarVoice.UniqueDefs.Add(secondLmdd);
}
}
else
{
Debug.Assert(udEndPos <= absoluteSplitPos && iUnique.MsPosition >= originalBarStartPos);
firstBarVoice.UniqueDefs.Add(iUnique);
}
}
}
return(twoBars);
}