2 tab-note-heads-engraver.cc -- part of GNU LilyPond
4 based on note-heads-engraver.cc, by Jean-Baptiste Lamy <jiba@tuxfamily.org>,
13 #include "rhythmic-head.hh"
14 #include "output-def.hh"
17 #include "dot-column.hh"
18 #include "staff-symbol-referencer.hh"
20 #include "score-engraver.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 virtual void process_music ();
40 virtual 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 ();
71 Tab_note_heads_engraver::process_music ()
74 for (int i = 0; i < note_events_.size (); i++)
76 SCM stringTunings = get_property ("stringTunings");
77 int number_of_strings = ((int) ly_length (stringTunings));
78 bool high_string_one = to_boolean (get_property ("highStringOne"));
81 Music * event = note_events_[i];
82 Item * note = make_item ("TabNoteHead", event->self_scm ());
85 Music * tabstring_event = 0;
87 for (SCM s = event->get_property ("articulations");
88 !tabstring_event && scm_is_pair (s); s = scm_cdr (s))
90 Music * art = unsmob_music (scm_car (s));
92 if (art->is_mus_type ("string-number-event"))
93 tabstring_event = art;
96 if (!tabstring_event && j < tabstring_events_.size ())
98 tabstring_event = tabstring_events_[j];
99 if (j +1 < tabstring_events_.size ())
107 tab_string = scm_to_int (tabstring_event->get_property ("string-number"));
112 tab_string = high_string_one ? 1 : number_of_strings;
113 string_found = false;
116 Duration dur = *unsmob_duration (event->get_property ("duration"));
117 note->set_property ("duration-log",
118 scm_int2num (dur.duration_log ()));
120 if (dur.dot_count ())
122 Item * d = make_item ("Dots", event->self_scm ());
123 Rhythmic_head::set_dots (note, d);
126 != scm_to_int (d->get_property ("dot-count")))
127 d->set_property ("dot-count", scm_int2num (dur.dot_count ()));
129 d->set_parent (note, Y_AXIS);
135 SCM scm_pitch = event->get_property ("pitch");
136 SCM proc = get_property ("tablatureFormat");
137 SCM min_fret_scm = get_property ("minimumFret");
138 int min_fret = scm_is_number (min_fret_scm) ? scm_to_int (min_fret_scm) : 0;
140 while (!string_found)
142 int fret = unsmob_pitch (scm_pitch)->semitone_pitch ()
143 - scm_to_int (scm_list_ref (stringTunings, scm_int2num (tab_string-1)));
145 tab_string += high_string_one ? 1 : -1;
150 SCM text = scm_call_3 (proc, scm_int2num (tab_string), stringTunings, scm_pitch);
152 int pos = 2 * tab_string - number_of_strings - 1; // No tab-note between the string !!!
153 if (to_boolean (get_property ("stringOneTopmost")))
156 note->set_property ("text", text);
158 note->set_property ("staff-position", scm_int2num (pos));
164 Tab_note_heads_engraver::stop_translation_timestep ()
168 note_events_.clear ();
169 tabstring_events_.clear ();
173 ADD_TRANSLATOR (Tab_note_heads_engraver,
174 /* descr */ "Generate one or more tablature noteheads from Music of type NoteEvent.",
175 /* creats*/ "TabNoteHead Dots",
176 /* accepts */ "note-event string-number-event busy-playing-event",
178 /* reads */ "middleCPosition stringTunings minimumFret tablatureFormat highStringOne stringOneTopmost",