lib/head_music/pitch.rb in head_music-0.26.3 vs lib/head_music/pitch.rb in head_music-0.27.0

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-# A pitch is a named frequency represented by a spelling and an octive.
+# A pitch is a named frequency represented by a spelling and a register.
 class HeadMusic::Pitch
   include Comparable
 
   attr_reader :spelling, :register
 
@@ -106,10 +106,14 @@
 
   def to_i
     midi_note_number
   end
 
+  def helmholtz_notation
+    helmholtz_letter_name + helmholtz_marks
+  end
+
   def natural
     HeadMusic::Pitch.get(to_s.gsub(HeadMusic::Sign.matcher, ''))
   end
 
   def +(other)
@@ -208,7 +212,17 @@
   end
 
   def target_letter_name(num_steps)
     @target_letter_name ||= {}
     @target_letter_name[num_steps] ||= letter_name.steps_up(num_steps)
+  end
+
+  def helmholtz_letter_name
+    return spelling.to_s.downcase if HeadMusic::Register.get(register).helmholtz_case == :lower
+
+    spelling.to_s
+  end
+
+  def helmholtz_marks
+    HeadMusic::Register.get(register).helmholtz_marks
   end
 end