public GrandStaffLedgerLines ComputeLedgerLines(StaffPosition notePosition)
{
if (notePosition == null)
{
return(GrandStaffLedgerLines.Absent);
}
var offset = notePosition.VerticalOffset;
var lines = (offset.Abs() / 2 - 2).LimitFromBottom(0);
var ledgerLines = LedgerLines.CreateSingle(lines, top: offset > 0);
return(GrandStaffLedgerLines.CreateSingle(ledgerLines, treeble: notePosition.Clef == Clef.Treeble));
}
public GrandStaffLedgerLines ComputeLedgerLines(StaffPosition testNotePosition, StaffPosition playedNotePosition)
{
var testLedgerLines = ComputeLedgerLines(testNotePosition);
return(Combine(testLedgerLines, playedNotePosition));
}
GrandStaffLedgerLines Combine(GrandStaffLedgerLines ledgerLines, StaffPosition position)
{
var otherLedgerLines = ComputeLedgerLines(position);
return(ledgerLines.Combine(otherLedgerLines));
}
public ScoreNote(Duration duration, StaffPosition staffPosition, Accidental accidental)
{
Duration = duration;
StaffPosition = staffPosition;
Accidental = accidental;
}
public StaffPosition ComputeStaffPosition(Pitch lowestTreebleStaffPitch, Pitch pitch) =>
pitch >= lowestTreebleStaffPitch
? StaffPosition.InTreebleClef(-pitch.DiatonicDistanceTo(Pitch.B4))
: StaffPosition.InBassClef(-pitch.DiatonicDistanceTo(Pitch.D3));
