- while (diff.notename_i_ >= 7)
- {
- diff.notename_i_ -= 7;
- diff.octave_i_ ++;
- }
- while (diff.notename_i_ < 0)
- {
- diff.notename_i_ += 7;
- diff.octave_i_ --;
- }
-
- diff.accidental_i_ -= (tonic.semitone_pitch () + diff.semitone_pitch ())
- - p.semitone_pitch ();
-
- return diff;
-}
-
-/*
- JUNKME
- */
-bool
-Chord_name::user_chord_name (Array<Musical_pitch> pitch_arr, Chord_mol* name_p) const
-{
- Array<Musical_pitch> chord_type = pitch_arr;
- Chord::rebuild_transpose (&chord_type, diff_pitch (pitch_arr[0], Musical_pitch (0)), false);
-
- SCM chord = SCM_EOL;
- for (int i= chord_type.size (); i--; )
- chord = gh_cons (chord_type[i].to_scm (), chord);
-
-
- SCM name = scm_eval (gh_list (ly_symbol2scm ("user-chord-name"),
- ly_quote_scm (chord),
- SCM_UNDEFINED));
- if (gh_pair_p (name))
- {
- name_p->modifier_mol = ly_text2molecule (gh_car (name));
- name_p->addition_mol = ly_text2molecule (gh_cdr (name));
- return true;
- }
- return false;
-}
-
-void
-Chord_name::banter (Array<Musical_pitch> pitch_arr, Chord_mol* name_p) const
-{
- Array<Musical_pitch> add_arr;
- Array<Musical_pitch> sub_arr;
- Chord::find_additions_and_subtractions (pitch_arr, &add_arr, &sub_arr);
-
- Array<Musical_pitch> scale;
- for (int i=0; i < 7; i++)
- scale.push (Musical_pitch (i));
-
- Musical_pitch tonic = pitch_arr[0];
- Chord::rebuild_transpose (&scale, tonic, true);
-
- /*
- Does chord include this step? -1 if flat
- */
- int has[16];
- for (int i=0; i<16; i++)
- has[i] = 0;
-
- String mod_str;
- String add_str;
- String sep_str;
- for (int i = 0; i < add_arr.size (); i++)
- {
- Musical_pitch p = add_arr[i];
- int step = Chord::step_i (tonic, p);
- int accidental = p.accidental_i_ - scale[(step - 1) % 7].accidental_i_;
- if ((step < 16) && (has[step] != -1))
- has[step] = accidental == -1 ? -1 : 1;
- // only from guile table ?
- if ((step == 3) && (accidental == -1))
- {
- mod_str = "m";
- }
- else if (accidental
- || (!(step % 2)
- || ((i == add_arr.size () - 1) && (step > 5))))
- {
- add_str += sep_str;
- sep_str = "/";
- if ((step == 7) && (accidental == 1))
- {
- add_str += "maj7";
- }
- else
- {
- add_str += to_str (step);
- if (accidental)
- add_str += accidental < 0 ? "-" : "+";
- }
- }
- }
-
- for (int i = 0; i < sub_arr.size (); i++)
- {
- Musical_pitch p = sub_arr[i];
- int step = Chord::step_i (tonic, p);
- /*
- if additions include 2 or 4, assume sus2/4 and don't display 'no3'
- */
- if (!((step == 3) && (has[2] || has[4])))
- {
- add_str += sep_str + "no" + to_str (step);
- sep_str = "/";
- }
- }
-
- if (mod_str.length_i ())
- name_p->modifier_mol.add_at_edge (X_AXIS, RIGHT,
- lookup_l ()->text ("roman", mod_str, paper_l ()), 0);
- if (add_str.length_i ())
- {
- if (!name_p->addition_mol.empty_b ())
- add_str = "/" + add_str;
- name_p->addition_mol.add_at_edge (X_AXIS, RIGHT,
- lookup_l ()->text ("script", add_str, paper_l ()), 0);
- }
-}