2 musical-pitch.hh -- declare Musical_pitch
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
10 #ifndef MUSICAL_PITCH_HH
11 #define MUSICAL_PITCH_HH
13 #include "lily-proto.hh"
16 /** A "tonal" pitch. This is a pitch as it figures in diatonal western
17 music (12 semitones in an octave), as opposed to a frequence in Hz
18 or a integer number of semitones.
31 /// 0 natural, 1 sharp, etc
38 int octave_i () const;
39 int notename_i () const;
40 int alteration_i () const;
43 Musical_pitch is lexicographically ordered by (octave, notename,
46 Musical_pitch (int octave, int notename,int accidental);
49 Musical_pitch to_relative_octave (Musical_pitch);
50 void transpose (Musical_pitch);
51 static int compare (Musical_pitch const&,Musical_pitch const&);
52 /// return large part of interval from central c
54 /// return pitch from central c (in halfnotes)
55 int semitone_pitch() const;
60 SCM smobbed_copy () const;
61 DECLARE_SCHEME_CALLBACK(less_p, (SCM a, SCM b));
62 DECLARE_SIMPLE_SMOBS(Musical_pitch,);
65 Musical_pitch* unsmob_pitch (SCM);
68 INSTANTIATE_COMPARE(Musical_pitch, Musical_pitch::compare);
70 int compare (Array<Musical_pitch>*, Array<Musical_pitch>*);
72 #endif /* MUSICAL_PITCH_HH */