2 tab-note-heads-engraver.cc -- part of GNU LilyPond
4 based on note-heads-engraver.cc, by Jean-Baptiste Lamy <jiba@tuxfamily.org>,
12 #include "rhythmic-head.hh"
13 #include "output-def.hh"
16 #include "dot-column.hh"
17 #include "staff-symbol-referencer.hh"
19 #include "score-engraver.hh"
21 #include "duration.hh"
24 make (guitar-like) tablature note
26 class Tab_note_heads_engraver : public Engraver
28 Link_array<Item> notes_;
30 Link_array<Item> dots_;
31 Link_array<Music> note_events_;
32 Link_array<Music> tabstring_events_;
34 TRANSLATOR_DECLARATIONS (Tab_note_heads_engraver);
37 virtual bool try_music (Music *event);
38 void process_music ();
40 void stop_translation_timestep ();
43 Tab_note_heads_engraver::Tab_note_heads_engraver ()
48 Tab_note_heads_engraver::try_music (Music *m)
50 if (m->is_mus_type ("note-event"))
52 note_events_.push (m);
55 else if (m->is_mus_type ("string-number-event"))
57 tabstring_events_.push (m);
60 else if (m->is_mus_type ("busy-playing-event"))
61 return note_events_.size ();
67 Tab_note_heads_engraver::process_music ()
70 for (int i = 0; i < note_events_.size (); i++)
72 SCM stringTunings = get_property ("stringTunings");
73 int number_of_strings = ((int) ly_length (stringTunings));
74 bool high_string_one = to_boolean (get_property ("highStringOne"));
76 Music *event = note_events_[i];
77 Item *note = make_item ("TabNoteHead", event->self_scm ());
79 Music *tabstring_event = 0;
81 for (SCM s = event->get_property ("articulations");
82 !tabstring_event && scm_is_pair (s); s = scm_cdr (s))
84 Music *art = unsmob_music (scm_car (s));
86 if (art->is_mus_type ("string-number-event"))
87 tabstring_event = art;
90 if (!tabstring_event && j < tabstring_events_.size ())
92 tabstring_event = tabstring_events_[j];
93 if (j +1 < tabstring_events_.size ())
101 tab_string = scm_to_int (tabstring_event->get_property ("string-number"));
106 tab_string = high_string_one ? 1 : number_of_strings;
107 string_found = false;
110 Duration dur = *unsmob_duration (event->get_property ("duration"));
111 note->set_property ("duration-log",
112 scm_from_int (dur.duration_log ()));
114 if (dur.dot_count ())
116 Item *d = make_item ("Dots", event->self_scm ());
117 Rhythmic_head::set_dots (note, d);
120 != scm_to_int (d->get_property ("dot-count")))
121 d->set_property ("dot-count", scm_from_int (dur.dot_count ()));
123 d->set_parent (note, Y_AXIS);
128 SCM scm_pitch = event->get_property ("pitch");
129 SCM proc = get_property ("tablatureFormat");
130 SCM min_fret_scm = get_property ("minimumFret");
131 int min_fret = scm_is_number (min_fret_scm) ? scm_to_int (min_fret_scm) : 0;
133 while (!string_found)
135 int fret = unsmob_pitch (scm_pitch)->semitone_pitch ()
136 - scm_to_int (scm_list_ref (stringTunings, scm_from_int (tab_string - 1)));
138 tab_string += high_string_one ? 1 : -1;
143 SCM text = scm_call_3 (proc, scm_from_int (tab_string), stringTunings, scm_pitch);
145 int pos = 2 * tab_string - number_of_strings - 1; // No tab-note between the string !!!
146 if (to_boolean (get_property ("stringOneTopmost")))
149 note->set_property ("text", text);
151 note->set_property ("staff-position", scm_from_int (pos));
157 Tab_note_heads_engraver::stop_translation_timestep ()
161 note_events_.clear ();
162 tabstring_events_.clear ();
165 #include "translator.icc"
167 ADD_TRANSLATOR (Tab_note_heads_engraver,
168 /* doc */ "Generate one or more tablature noteheads from Music of type NoteEvent.",
169 /* create */ "TabNoteHead Dots",
170 /* accept */ "note-event string-number-event busy-playing-event",
171 /* read */ "middleCPosition stringTunings minimumFret tablatureFormat highStringOne stringOneTopmost",