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"
26 #include "articulations.hh"
27 #include "duration.hh"
29 #include "output-def.hh"
31 #include "rhythmic-head.hh"
32 #include "stream-event.hh"
36 #include "translator.icc"
41 make (guitar-like) tablature note
43 class Tab_note_heads_engraver : public Engraver
45 vector<Stream_event *> note_events_;
46 vector<Stream_event *> tabstring_events_;
47 vector<Stream_event *> fingering_events_;
50 TRANSLATOR_DECLARATIONS (Tab_note_heads_engraver);
53 DECLARE_TRANSLATOR_LISTENER (note);
54 DECLARE_TRANSLATOR_LISTENER (string_number);
55 DECLARE_TRANSLATOR_LISTENER (fingering);
56 void process_music ();
58 void stop_translation_timestep ();
61 Tab_note_heads_engraver::Tab_note_heads_engraver ()
65 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, note);
67 Tab_note_heads_engraver::listen_note (Stream_event *ev)
69 note_events_.push_back (ev);
72 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, string_number);
74 Tab_note_heads_engraver::listen_string_number (Stream_event *ev)
76 tabstring_events_.push_back (ev);
79 IMPLEMENT_TRANSLATOR_LISTENER (Tab_note_heads_engraver, fingering);
81 Tab_note_heads_engraver::listen_fingering (Stream_event *ev)
83 fingering_events_.push_back (ev);
87 Tab_note_heads_engraver::process_music ()
89 SCM tab_strings = articulation_list (note_events_,
91 "string-number-event");
92 SCM defined_fingers = articulation_list (note_events_,
95 SCM tab_notes = ly_cxx_vector_to_list (note_events_);
96 SCM proc = get_property ("noteToFretFunction");
97 SCM string_fret_finger = SCM_EOL;
98 if (ly_is_procedure (proc))
99 string_fret_finger = scm_call_3 (proc,
100 context ()->self_scm (),
102 scm_list_2 (tab_strings,
104 SCM note_entry = SCM_EOL;
105 SCM string_number = SCM_EOL;
107 SCM fret_label = SCM_EOL;
108 SCM fret_procedure = get_property ("tablatureFormat");
109 SCM staff_line_procedure = get_property ("tabStaffLineLayoutFunction");
110 SCM staff_position = SCM_EOL;
111 vsize fret_count = (vsize) scm_ilength (string_fret_finger);
112 bool length_changed = (note_events_.size () != fret_count);
115 if (!scm_is_null (string_fret_finger))
116 for (vsize i = 0; i < fret_count; i++)
118 note_entry = scm_list_ref (string_fret_finger, scm_from_int (i));
119 string_number = scm_car (note_entry);
120 if (scm_is_true (string_number))
122 fret = scm_cadr (note_entry);
123 fret_label = scm_call_3 (fret_procedure,
124 context ()->self_scm (),
127 index = length_changed ? 0 : i;
128 Item *note = make_item ("TabNoteHead", note_events_[index]->self_scm ());
129 note->set_property ("text", fret_label);
130 staff_position = scm_call_2 (staff_line_procedure,
131 context ()->self_scm (),
133 note->set_property ("staff-position", staff_position);
139 Tab_note_heads_engraver::stop_translation_timestep ()
141 note_events_.clear ();
142 tabstring_events_.clear ();
143 fingering_events_.clear ();
146 ADD_TRANSLATOR (Tab_note_heads_engraver,
148 "Generate one or more tablature note heads from event of type"
149 " @code{NoteEvent}.",
160 "noteToFretFunction "
164 "tabStaffLineLayoutFunction ",