private Note(int pitchClass, Note flat, Note sharp)
{
PitchClass = pitchClass;
Flat = flat;
Sharp = sharp;
Name = Resources.DualNoteName.FormatInvariant(flat, sharp);
}
protected override IEnumerable<Interval> GetIntervals(Note root)
{
return new[]
{
Interval.WholeStep,
Interval.HalfStep,
Interval.WholeStep,
Interval.WholeStep,
Interval.HalfStep,
Interval.WholeStep,
Interval.WholeStep
};
}
public IEnumerable<Note> GetNotes(Note root)
{
Contract.Requires(root != null);
var currentNote = root;
foreach(var interval in GetIntervals(root))
{
yield return currentNote;
currentNote += interval;
}
yield return root;
}
protected override IEnumerable<Interval> GetIntervals(Note root)
{
Contract.Ensures(Contract.Result<IEnumerable<Interval>>() != null);
return null;
}
protected abstract IEnumerable<Interval> GetIntervals(Note root);
public Key(Note root, KeyScale keyScale)
: base(root, GetScale(keyScale))
{
KeyScale = keyScale;
}
private IEnumerable<Note> GetBaseModeNotes(Note root)
{
return _baseMode.Scale.GetNotes(root);
}
private Note ApplyQuality(Note note, int degreeIndex)
{
var quality = _mode._noteQualities[degreeIndex];
switch(quality)
{
case NoteQuality.Natural:
return note;
case NoteQuality.Flat:
return note.Flat;
case NoteQuality.Sharp:
return note.Sharp;
default:
throw new NotSupportedException("Unsupported note quality: " + quality.ToString());
}
}
protected override IEnumerable<Interval> GetIntervals(Note root)
{
// TODO: Calculate mode intervals
throw new NotImplementedException();
}