2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2002--2015 Han-Wen Nienhuys, Jean-Baptiste Lamy <jiba@tuxfamily.org>,
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
23 #include "engraver.hh"
27 #include "articulations.hh"
28 #include "duration.hh"
30 #include "output-def.hh"
32 #include "rhythmic-head.hh"
33 #include "stream-event.hh"
37 #include "translator.icc"
42 make (guitar-like) tablature note
44 class Tab_note_heads_engraver : public Engraver
46 vector<Stream_event *> note_events_;
47 vector<Stream_event *> tabstring_events_;
48 vector<Stream_event *> fingering_events_;
51 TRANSLATOR_DECLARATIONS (Tab_note_heads_engraver);
54 DECLARE_TRANSLATOR_LISTENER (note);
55 DECLARE_TRANSLATOR_LISTENER (string_number);
56 DECLARE_TRANSLATOR_LISTENER (fingering);
57 void process_music ();
59 void stop_translation_timestep ();
62 Tab_note_heads_engraver::Tab_note_heads_engraver ()
66 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, note);
68 Tab_note_heads_engraver::listen_note (Stream_event *ev)
70 note_events_.push_back (ev);
73 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, string_number);
75 Tab_note_heads_engraver::listen_string_number (Stream_event *ev)
77 tabstring_events_.push_back (ev);
80 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, fingering);
82 Tab_note_heads_engraver::listen_fingering (Stream_event *ev)
84 fingering_events_.push_back (ev);
88 Tab_note_heads_engraver::process_music ()
90 SCM tab_strings = articulation_list (note_events_,
92 "string-number-event");
93 SCM defined_fingers = articulation_list (note_events_,
96 SCM tab_notes = ly_cxx_vector_to_list (note_events_);
97 SCM proc = get_property ("noteToFretFunction");
98 SCM string_fret_finger = SCM_EOL;
99 if (ly_is_procedure (proc))
100 string_fret_finger = scm_call_3 (proc,
101 context ()->self_scm (),
103 scm_list_2 (tab_strings,
105 SCM note_entry = SCM_EOL;
106 SCM string_number = SCM_EOL;
108 SCM fret_label = SCM_EOL;
109 SCM fret_procedure = get_property ("tablatureFormat");
110 SCM staff_line_procedure = get_property ("tabStaffLineLayoutFunction");
111 SCM staff_position = SCM_EOL;
112 vsize fret_count = (vsize) scm_ilength (string_fret_finger);
113 bool length_changed = (note_events_.size () != fret_count);
116 if (!scm_is_null (string_fret_finger))
117 for (vsize i = 0; i < fret_count; i++)
119 note_entry = scm_list_ref (string_fret_finger, scm_from_int (i));
120 string_number = scm_car (note_entry);
121 if (scm_is_true (string_number))
123 fret = scm_cadr (note_entry);
124 fret_label = scm_call_3 (fret_procedure,
125 context ()->self_scm (),
128 index = length_changed ? 0 : i;
129 Item *note = make_item ("TabNoteHead", note_events_[index]->self_scm ());
130 note->set_property ("text", fret_label);
131 staff_position = scm_call_2 (staff_line_procedure,
132 context ()->self_scm (),
134 note->set_property ("staff-position", staff_position);
140 Tab_note_heads_engraver::stop_translation_timestep ()
142 note_events_.clear ();
143 tabstring_events_.clear ();
144 fingering_events_.clear ();
147 ADD_TRANSLATOR (Tab_note_heads_engraver,
149 "Generate one or more tablature note heads from event of type"
150 " @code{NoteEvent}.",
161 "noteToFretFunction "
165 "tabStaffLineLayoutFunction ",