public FullNote Shift(int steps, InternalNoteStringStyle style)
{
if (steps == 0)
{
return(new FullNote(NoteUtils.ToNote(InternalNote, style), Octave));
}
int direction = Math.Sign(steps);
InternalNote note = InternalNote;
int octave = Octave;
for (int i = 0; i < steps; i++)
{
int noteIndex = (int)note + direction;
if (noteIndex < 0)
{
noteIndex += 12;
}
note = (InternalNote)(noteIndex % 12);
if (direction > 0 && note == InternalNote.C)
{
octave++;
}
else if (direction < 0 && note == InternalNote.B)
{
octave--;
}
}
return(new FullNote(NoteUtils.ToNote(note, style), octave));
}
public static string ToString(InternalNote note, InternalNoteStringStyle style)
{
if (NoteUtils.IsNatural(note) || style != InternalNoteStringStyle.ShowBoth)
{
return(NoteUtils.ToString(NoteUtils.ToNote(note, style)));
}
else
{
switch (note)
{
case InternalNote.Cs_Db:
return("C#/Db");
case InternalNote.Ds_Eb:
return("D#/Eb");
case InternalNote.Fs_Gb:
return("F#/Gb");
case InternalNote.Gs_Ab:
return("G#/Ab");
case InternalNote.As_Bb:
return("A#/Bb");
}
}
throw new ArgumentException();
}
