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 "dot-column.hh"
15 #include "duration.hh"
17 #include "output-def.hh"
19 #include "rhythmic-head.hh"
20 #include "score-engraver.hh"
21 #include "staff-symbol-referencer.hh"
22 #include "stream-event.hh"
25 #include "translator.icc"
28 make (guitar-like) tablature note
30 class Tab_note_heads_engraver : public Engraver
34 vector<Stream_event*> note_events_;
35 vector<Stream_event*> tabstring_events_;
37 TRANSLATOR_DECLARATIONS (Tab_note_heads_engraver);
40 DECLARE_TRANSLATOR_LISTENER (note);
41 DECLARE_TRANSLATOR_LISTENER (string_number);
42 void process_music ();
44 void stop_translation_timestep ();
47 Tab_note_heads_engraver::Tab_note_heads_engraver ()
51 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, note);
53 Tab_note_heads_engraver::listen_note (Stream_event *ev)
55 note_events_.push_back (ev);
58 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, string_number);
60 Tab_note_heads_engraver::listen_string_number (Stream_event *ev)
62 tabstring_events_.push_back (ev);
66 Tab_note_heads_engraver::process_music ()
69 for (vsize i = 0; i < note_events_.size (); i++)
71 SCM stringTunings = get_property ("stringTunings");
72 int number_of_strings = ((int) ly_length (stringTunings));
73 bool high_string_one = to_boolean (get_property ("highStringOne"));
75 Stream_event *event = note_events_[i];
76 Item *note = make_item ("TabNoteHead", event->self_scm ());
78 Stream_event *tabstring_event = 0;
80 for (SCM s = event->get_property ("articulations");
81 !tabstring_event && scm_is_pair (s); s = scm_cdr (s))
83 Stream_event *art = unsmob_stream_event (scm_car (s));
85 if (art->in_event_class ("string-number-event"))
86 tabstring_event = art;
89 if (!tabstring_event && j < tabstring_events_.size ())
91 tabstring_event = tabstring_events_[j];
92 if (j + 1 < tabstring_events_.size ())
100 tab_string = scm_to_int (tabstring_event->get_property ("string-number"));
105 tab_string = high_string_one ? 1 : number_of_strings;
106 string_found = false;
109 Duration dur = *unsmob_duration (event->get_property ("duration"));
111 SCM scm_pitch = event->get_property ("pitch");
112 SCM proc = get_property ("tablatureFormat");
113 SCM min_fret_scm = get_property ("minimumFret");
114 int min_fret = scm_is_number (min_fret_scm) ? scm_to_int (min_fret_scm) : 0;
116 while (!string_found)
118 int fret = unsmob_pitch (scm_pitch)->semitone_pitch ()
119 - scm_to_int (scm_list_ref (stringTunings, scm_from_int (tab_string - 1)));
121 tab_string += high_string_one ? 1 : -1;
126 SCM text = scm_call_3 (proc, scm_from_int (tab_string), stringTunings, scm_pitch);
128 int pos = 2 * tab_string - number_of_strings - 1; // No tab-note between the string !!!
129 if (to_boolean (get_property ("stringOneTopmost")))
132 note->set_property ("text", text);
134 note->set_property ("staff-position", scm_from_int (pos));
135 notes_.push_back (note);
140 Tab_note_heads_engraver::stop_translation_timestep ()
143 note_events_.clear ();
144 tabstring_events_.clear ();
147 ADD_TRANSLATOR (Tab_note_heads_engraver,
148 /* doc */ "Generate one or more tablature noteheads from event of type NoteEvent.",