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"))
62 return note_events_.size ();
69 Tab_note_heads_engraver::process_music ()
72 for (int i = 0; i < note_events_.size (); i++)
74 SCM stringTunings = get_property ("stringTunings");
75 int number_of_strings = ((int) ly_length (stringTunings));
76 bool high_string_one = to_boolean (get_property ("highStringOne"));
78 Music *event = note_events_[i];
79 Item *note = make_item ("TabNoteHead", event->self_scm ());
81 Music *tabstring_event = 0;
83 for (SCM s = event->get_property ("articulations");
84 !tabstring_event && scm_is_pair (s); s = scm_cdr (s))
86 Music *art = unsmob_music (scm_car (s));
88 if (art->is_mus_type ("string-number-event"))
89 tabstring_event = art;
92 if (!tabstring_event && j < tabstring_events_.size ())
94 tabstring_event = tabstring_events_[j];
95 if (j +1 < tabstring_events_.size ())
103 tab_string = scm_to_int (tabstring_event->get_property ("string-number"));
108 tab_string = high_string_one ? 1 : number_of_strings;
109 string_found = false;
112 Duration dur = *unsmob_duration (event->get_property ("duration"));
113 note->set_property ("duration-log",
114 scm_from_int (dur.duration_log ()));
116 if (dur.dot_count ())
118 Item *d = make_item ("Dots", event->self_scm ());
119 Rhythmic_head::set_dots (note, d);
122 != scm_to_int (d->get_property ("dot-count")))
123 d->set_property ("dot-count", scm_from_int (dur.dot_count ()));
125 d->set_parent (note, Y_AXIS);
130 SCM scm_pitch = event->get_property ("pitch");
131 SCM proc = get_property ("tablatureFormat");
132 SCM min_fret_scm = get_property ("minimumFret");
133 int min_fret = scm_is_number (min_fret_scm) ? scm_to_int (min_fret_scm) : 0;
135 while (!string_found)
137 int fret = unsmob_pitch (scm_pitch)->semitone_pitch ()
138 - scm_to_int (scm_list_ref (stringTunings, scm_from_int (tab_string - 1)));
140 tab_string += high_string_one ? 1 : -1;
145 SCM text = scm_call_3 (proc, scm_from_int (tab_string), stringTunings, scm_pitch);
147 int pos = 2 * tab_string - number_of_strings - 1; // No tab-note between the string !!!
148 if (to_boolean (get_property ("stringOneTopmost")))
151 note->set_property ("text", text);
153 note->set_property ("staff-position", scm_from_int (pos));
159 Tab_note_heads_engraver::stop_translation_timestep ()
163 note_events_.clear ();
164 tabstring_events_.clear ();
167 #include "translator.icc"
169 ADD_TRANSLATOR (Tab_note_heads_engraver,
170 /* doc */ "Generate one or more tablature noteheads from Music of type NoteEvent.",
171 /* create */ "TabNoteHead Dots",
172 /* accept */ "note-event string-number-event busy-playing-event",
173 /* read */ "middleCPosition stringTunings minimumFret tablatureFormat highStringOne stringOneTopmost",