List <MusicSymbol> AddClefChanges(List <MusicSymbol> symbols,
ClefMeasures clefs,
TimeSignature time)
{
List <MusicSymbol> result = new List <MusicSymbol>(symbols.Count);
Clef prevclef = clefs.GetClef(0);
foreach (MusicSymbol symbol in symbols)
{
/* A BarSymbol indicates a new measure */
if (symbol is BarSymbol)
{
Clef clef = clefs.GetClef(symbol.StartTime);
if (clef != prevclef)
{
result.Add(new ClefSymbol(clef, symbol.StartTime - 1, true));
}
prevclef = clef;
}
result.Add(symbol);
}
return(result);
}
List <ChordSymbol> CreateChords(List <MidiNote> midinotes,
KeySignature key,
TimeSignature time,
ClefMeasures clefs)
{
int i = 0;
List <ChordSymbol> chords = new List <ChordSymbol>();
List <MidiNote> notegroup = new List <MidiNote>(12);
int len = midinotes.Count;
while (i < len)
{
int starttime = midinotes[i].StartTime;
Clef clef = clefs.GetClef(starttime);
/* Group all the midi notes with the same start time
* into the notes list.
*/
notegroup.Clear();
notegroup.Add(midinotes[i]);
i++;
while (i < len && midinotes[i].StartTime == starttime)
{
notegroup.Add(midinotes[i]);
i++;
}
/* Create a single chord from the group of midi notes with
* the same start time.
*/
ChordSymbol chord = new ChordSymbol(notegroup, key, time, clef, this);
chords.Add(chord);
}
return(chords);
}