lily/include/chord.hh

   1 /*
   2   chord.hh -- declare Chord
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1999--2000 Jan Nieuwenhuizen <janneke@gnu.org>
   7 */
   8
   9 #ifndef CHORD_HH
  10 #define CHORD_HH
  11
  12 #include "pitch.hh"
  13
  14 /*
  15   ``chord'' is encoded:
  16   (PITCHES . (INVERSION . BASS))
  17
  18   Chord:: namespace...
  19  */
  20 class Chord
  21 {
  22 public:
  23   static SCM pitches_and_requests_to_chord (SCM pitches,
  24                                      SCM tonic_req,
  25                                      SCM inversion_req,
  26                                      SCM bass_req,
  27                                      bool find_inversion_b);
  28   static SCM base_pitches (SCM tonic);
  29   static SCM transpose_pitches (SCM tonic, SCM pitches);
  30   static SCM lower_step (SCM tonic, SCM pitches, SCM step);
  31   static SCM member_notename (SCM p, SCM pitches);
  32   static SCM member_pitch (SCM p, SCM pitches);
  33   static int step_i (Pitch tonic, Pitch p);
  34   static SCM step_scm (SCM tonic, SCM p);
  35   static SCM missing_thirds (SCM pitches);
  36   static SCM to_pitches (SCM chord);
  37   static SCM guess_tonic (SCM pitches);
  38   static SCM add_above_tonic (SCM pitch, SCM pitches);
  39   static SCM add_below_tonic (SCM pitch, SCM pitches);
  40   static SCM tonic_add_sub_inversion_bass_to_scm (SCM tonic, SCM add, SCM sub,
  41                                             SCM inversion, SCM bass);
  42   static Simultaneous_music *get_chord (SCM tonic, SCM add, SCM sub, SCM inversion, SCM bass, SCM dur);
  43 };
  44
  45 #endif /* CHORD_HH */