2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1996--2012 Jan Nieuwenhuizen <janneke@gnu.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/>.
20 #include "performer.hh"
21 #include "audio-item.hh"
22 #include "audio-column.hh"
23 #include "global-context.hh"
24 #include "stream-event.hh"
27 #include "translator.icc"
29 class Note_performer : public Performer
32 TRANSLATOR_DECLARATIONS (Note_performer);
35 void stop_translation_timestep ();
36 void process_music ();
38 DECLARE_TRANSLATOR_LISTENER (note);
40 vector<Stream_event *> note_evs_;
41 vector<Audio_note *> notes_;
43 vector<Audio_note *> last_notes_;
49 Note_performer::process_music ()
51 if (!note_evs_.size ())
55 SCM prop = get_property ("instrumentTransposition");
56 if (unsmob_pitch (prop))
57 transposing = *unsmob_pitch (prop);
59 for (vsize i = 0; i < note_evs_.size (); i++)
61 Stream_event *n = note_evs_[i];
62 SCM pit = n->get_property ("pitch");
64 if (Pitch *pitp = unsmob_pitch (pit))
66 SCM articulations = n->get_property ("articulations");
67 Stream_event *tie_event = 0;
68 for (SCM s = articulations;
69 !tie_event && scm_is_pair (s);
72 Stream_event *ev = unsmob_stream_event (scm_car (s));
76 if (ev->in_event_class ("tie-event"))
80 Moment len = get_event_length (n, now_mom ());
82 Audio_note *p = new Audio_note (*pitp, len,
83 tie_event, transposing.negated ());
84 Audio_element_info info (p, n);
85 announce_element (info);
89 shorten previous note.
91 if (now_mom ().grace_part_)
93 if (last_start_.grace_part_ == Rational (0))
95 for (vsize i = 0; i < last_notes_.size (); i++)
96 last_notes_[i]->length_mom_ += Moment (0,
97 now_mom ().grace_part_);
105 Note_performer::stop_translation_timestep ()
107 if (note_evs_.size ())
109 last_notes_ = notes_;
110 last_start_ = now_mom ();
117 IMPLEMENT_TRANSLATOR_LISTENER (Note_performer, note)
119 Note_performer::listen_note (Stream_event *ev)
121 note_evs_.push_back (ev);
124 ADD_TRANSLATOR (Note_performer,
138 Note_performer::Note_performer ()