2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2000--2015 Han-Wen Nienhuys
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/>.
20 #include "engraver.hh"
22 #include "note-column.hh"
23 #include "protected-scm.hh"
24 #include "side-position-interface.hh"
26 #include "text-interface.hh"
28 class Ottava_spanner_engraver : public Engraver
31 TRANSLATOR_DECLARATIONS (Ottava_spanner_engraver);
33 virtual void finalize ();
35 DECLARE_ACKNOWLEDGER (note_column);
37 void process_music ();
38 void stop_translation_timestep ();
39 virtual void derived_mark () const;
50 Ottava_spanner_engraver::derived_mark () const
52 scm_gc_mark (last_ottavation_);
55 Ottava_spanner_engraver::Ottava_spanner_engraver ()
59 last_ottavation_ = SCM_EOL;
63 Ottava_spanner_engraver::process_music ()
65 SCM ott = get_property ("ottavation");
66 if (ott != last_ottavation_)
70 if (Text_interface::is_markup (ott))
72 span_ = make_spanner ("OttavaBracket", SCM_EOL);
73 span_->set_property ("text", ott);
75 SCM offset (get_property ("middleCOffset"));
76 if (robust_scm2double (offset, 0) > 0)
77 span_->set_property ("direction", scm_from_int (DOWN));
80 last_ottavation_ = ott;
84 Ottava_spanner_engraver::acknowledge_note_column (Grob_info info)
86 Item *it = info.item ();
89 Side_position_interface::add_support (span_, it);
91 if (!span_->get_bound (LEFT))
92 span_->set_bound (LEFT, it);
93 span_->set_bound (RIGHT, it);
98 Ottava_spanner_engraver::typeset_all ()
102 for (LEFT_and_RIGHT (d))
104 if (!finished_->get_bound (RIGHT))
106 Grob *e = Grob::unsmob (get_property ("currentMusicalColumn"));
107 finished_->set_bound (d, e);
116 Ottava_spanner_engraver::stop_translation_timestep ()
118 if (span_ && !span_->get_bound (LEFT))
120 Grob *e = Grob::unsmob (get_property ("currentMusicalColumn"));
121 span_->set_bound (LEFT, e);
128 Ottava_spanner_engraver::finalize ()
134 last_ottavation_ = SCM_EOL;
137 #include "translator.icc"
139 ADD_ACKNOWLEDGER (Ottava_spanner_engraver, note_column);
141 ADD_TRANSLATOR (Ottava_spanner_engraver,
143 "Create a text spanner when the ottavation property changes.",
151 "currentMusicalColumn ",