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 "engraver.hh"
16 #include "duration.hh"
18 #include "output-def.hh"
20 #include "rhythmic-head.hh"
21 #include "stream-event.hh"
24 #include "translator.icc"
27 make (guitar-like) tablature note
29 class Tab_note_heads_engraver : public Engraver
33 vector<Stream_event*> note_events_;
34 vector<Stream_event*> tabstring_events_;
36 TRANSLATOR_DECLARATIONS (Tab_note_heads_engraver);
39 DECLARE_TRANSLATOR_LISTENER (note);
40 DECLARE_TRANSLATOR_LISTENER (string_number);
41 void process_music ();
43 void stop_translation_timestep ();
46 Tab_note_heads_engraver::Tab_note_heads_engraver ()
50 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, note);
52 Tab_note_heads_engraver::listen_note (Stream_event *ev)
54 note_events_.push_back (ev);
57 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, string_number);
59 Tab_note_heads_engraver::listen_string_number (Stream_event *ev)
61 tabstring_events_.push_back (ev);
65 Tab_note_heads_engraver::process_music ()
68 for (vsize i = 0; i < note_events_.size (); i++)
70 SCM stringTunings = get_property ("stringTunings");
71 int number_of_strings = scm_ilength (stringTunings);
72 bool high_string_one = to_boolean (get_property ("highStringOne"));
74 Stream_event *event = note_events_[i];
75 Item *note = make_item ("TabNoteHead", event->self_scm ());
77 Stream_event *tabstring_event = 0;
79 for (SCM s = event->get_property ("articulations");
80 !tabstring_event && scm_is_pair (s); s = scm_cdr (s))
82 Stream_event *art = unsmob_stream_event (scm_car (s));
84 if (art->in_event_class ("string-number-event"))
85 tabstring_event = art;
88 if (!tabstring_event && j < tabstring_events_.size ())
90 tabstring_event = tabstring_events_[j];
91 if (j + 1 < tabstring_events_.size ())
99 tab_string = scm_to_int (tabstring_event->get_property ("string-number"));
104 tab_string = high_string_one ? 1 : number_of_strings;
105 string_found = false;
108 Duration dur = *unsmob_duration (event->get_property ("duration"));
110 SCM scm_pitch = event->get_property ("pitch");
111 SCM proc = get_property ("tablatureFormat");
112 SCM min_fret_scm = get_property ("minimumFret");
113 int min_fret = scm_is_number (min_fret_scm) ? scm_to_int (min_fret_scm) : 0;
115 while (!string_found)
117 int fret = unsmob_pitch (scm_pitch)->semitone_pitch ()
118 - scm_to_int (scm_list_ref (stringTunings, scm_from_int (tab_string - 1)));
120 tab_string += high_string_one ? 1 : -1;
125 SCM text = scm_call_3 (proc, scm_from_int (tab_string), stringTunings, scm_pitch);
127 int pos = 2 * tab_string - number_of_strings - 1; // No tab-note between the string !!!
128 if (to_boolean (get_property ("stringOneTopmost")))
131 note->set_property ("text", text);
133 note->set_property ("staff-position", scm_from_int (pos));
134 notes_.push_back (note);
139 Tab_note_heads_engraver::stop_translation_timestep ()
142 note_events_.clear ();
143 tabstring_events_.clear ();
146 ADD_TRANSLATOR (Tab_note_heads_engraver,
147 /* doc */ "Generate one or more tablature noteheads from event of type NoteEvent.",