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"
25 make (guitar-like) tablature note
27 class Tab_note_heads_engraver : public Engraver
29 Link_array<Item> notes_;
31 Link_array<Item> dots_;
32 Link_array<Music> note_events_;
33 Link_array<Music> tabstring_events_;
35 TRANSLATOR_DECLARATIONS (Tab_note_heads_engraver);
38 virtual bool try_music (Music *event);
39 void process_music ();
41 void stop_translation_timestep ();
44 Tab_note_heads_engraver::Tab_note_heads_engraver ()
49 Tab_note_heads_engraver::try_music (Music *m)
51 if (m->is_mus_type ("note-event"))
53 note_events_.push (m);
56 else if (m->is_mus_type ("string-number-event"))
58 tabstring_events_.push (m);
61 else if (m->is_mus_type ("busy-playing-event"))
63 return note_events_.size ();
70 Tab_note_heads_engraver::process_music ()
73 for (int i = 0; i < note_events_.size (); i++)
75 SCM stringTunings = get_property ("stringTunings");
76 int number_of_strings = ((int) ly_length (stringTunings));
77 bool high_string_one = to_boolean (get_property ("highStringOne"));
79 Music *event = note_events_[i];
80 Item *note = make_item ("TabNoteHead", event->self_scm ());
82 Music *tabstring_event = 0;
84 for (SCM s = event->get_property ("articulations");
85 !tabstring_event && scm_is_pair (s); s = scm_cdr (s))
87 Music *art = unsmob_music (scm_car (s));
89 if (art->is_mus_type ("string-number-event"))
90 tabstring_event = art;
93 if (!tabstring_event && j < tabstring_events_.size ())
95 tabstring_event = tabstring_events_[j];
96 if (j +1 < tabstring_events_.size ())
104 tab_string = scm_to_int (tabstring_event->get_property ("string-number"));
109 tab_string = high_string_one ? 1 : number_of_strings;
110 string_found = false;
113 Duration dur = *unsmob_duration (event->get_property ("duration"));
114 note->set_property ("duration-log",
115 scm_from_int (dur.duration_log ()));
117 if (dur.dot_count ())
119 Item *d = make_item ("Dots", event->self_scm ());
120 Rhythmic_head::set_dots (note, d);
123 != scm_to_int (d->get_property ("dot-count")))
124 d->set_property ("dot-count", scm_from_int (dur.dot_count ()));
126 d->set_parent (note, Y_AXIS);
131 SCM scm_pitch = event->get_property ("pitch");
132 SCM proc = get_property ("tablatureFormat");
133 SCM min_fret_scm = get_property ("minimumFret");
134 int min_fret = scm_is_number (min_fret_scm) ? scm_to_int (min_fret_scm) : 0;
136 while (!string_found)
138 int fret = unsmob_pitch (scm_pitch)->semitone_pitch ()
139 - scm_to_int (scm_list_ref (stringTunings, scm_from_int (tab_string - 1)));
141 tab_string += high_string_one ? 1 : -1;
146 SCM text = scm_call_3 (proc, scm_from_int (tab_string), stringTunings, scm_pitch);
148 int pos = 2 * tab_string - number_of_strings - 1; // No tab-note between the string !!!
149 if (to_boolean (get_property ("stringOneTopmost")))
152 note->set_property ("text", text);
154 note->set_property ("staff-position", scm_from_int (pos));
160 Tab_note_heads_engraver::stop_translation_timestep ()
164 note_events_.clear ();
165 tabstring_events_.clear ();
168 #include "translator.icc"
170 ADD_TRANSLATOR (Tab_note_heads_engraver,
171 /* doc */ "Generate one or more tablature noteheads from Music of type NoteEvent.",
172 /* create */ "TabNoteHead Dots",
173 /* accept */ "note-event string-number-event busy-playing-event",
174 /* read */ "middleCPosition stringTunings minimumFret tablatureFormat highStringOne stringOneTopmost",