Class: Clef::Layout::Stem

Inherits:

Object

• Object
• Clef::Layout::Stem

Defined in:

lib/clef/layout/stem.rb

Class Method Summary

• .direction(note_or_notes, clef) ⇒ Symbol
• .length(note, _clef, _direction) ⇒ Float

Class Method Details

.direction(note_or_notes, clef) ⇒ Symbol

Parameters:

• note_or_notes (Clef::Core::Note, Array<Clef::Core::Note>)
• clef (Clef::Core::Clef)

Returns:

• (Symbol)

# File 'lib/clef/layout/stem.rb', line 10

def direction(note_or_notes, clef)
  notes = Array(note_or_notes)
  middle = diatonic_step(clef.reference_pitch)
  down_votes = notes.count { |note| diatonic_step(note.pitch) > middle }
  (down_votes > (notes.length / 2.0)) ? :down : :up
end

.length(note, _clef, _direction) ⇒ Float

Parameters:

• note (Clef::Core::Note)
• _clef (Clef::Core::Clef)
• _direction (Symbol)

Returns:

• (Float)

# File 'lib/clef/layout/stem.rb', line 21

def length(note, _clef, _direction)
  extra = ledger_extension(note.pitch)
  Clef::Engraving::Rules::STEM_LENGTH + extra
end