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 void acknowledge_note_column (Grob_info);
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 (Context *c)
60 last_ottavation_ = SCM_EOL;
64 Ottava_spanner_engraver::process_music ()
66 SCM ott = get_property ("ottavation");
67 if (ott != last_ottavation_)
71 if (Text_interface::is_markup (ott))
73 span_ = make_spanner ("OttavaBracket", SCM_EOL);
74 span_->set_property ("text", ott);
76 SCM offset (get_property ("middleCOffset"));
77 if (robust_scm2double (offset, 0) > 0)
78 span_->set_property ("direction", scm_from_int (DOWN));
81 last_ottavation_ = ott;
85 Ottava_spanner_engraver::acknowledge_note_column (Grob_info info)
87 Item *it = info.item ();
90 Side_position_interface::add_support (span_, it);
92 if (!span_->get_bound (LEFT))
93 span_->set_bound (LEFT, it);
94 span_->set_bound (RIGHT, it);
99 Ottava_spanner_engraver::typeset_all ()
103 for (LEFT_and_RIGHT (d))
105 if (!finished_->get_bound (RIGHT))
107 Grob *e = unsmob<Grob> (get_property ("currentMusicalColumn"));
108 finished_->set_bound (d, e);
117 Ottava_spanner_engraver::stop_translation_timestep ()
119 if (span_ && !span_->get_bound (LEFT))
121 Grob *e = unsmob<Grob> (get_property ("currentMusicalColumn"));
122 span_->set_bound (LEFT, e);
129 Ottava_spanner_engraver::finalize ()
135 last_ottavation_ = SCM_EOL;
138 #include "translator.icc"
142 Ottava_spanner_engraver::boot ()
144 ADD_ACKNOWLEDGER (Ottava_spanner_engraver, note_column);
147 ADD_TRANSLATOR (Ottava_spanner_engraver,
149 "Create a text spanner when the ottavation property changes.",
157 "currentMusicalColumn ",