/*
- chord-tremolo-iterator.cc -- implement Chord_tremolo_iterator
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2000--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Erik Sandberg <mandolaerik@gmail.com>
- (c) 2000--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
- Erik Sandberg <mandolaerik@gmail.com>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "chord-tremolo-iterator.hh"
-#include "input.hh"
-#include "international.hh"
-#include "misc.hh"
#include "repeated-music.hh"
Chord_tremolo_iterator::Chord_tremolo_iterator ()
Chord_tremolo_iterator::get_music_list () const
{
Music *mus = get_music ();
- Input *origin = mus->origin ();
- Moment l = mus->get_length ();
- Music *body = Repeated_music::body (mus);
- bool body_is_sequential = body->is_mus_type ("sequential-music");
-
- int elt_count = body_is_sequential ? scm_ilength (body->get_property ("elements")) : 1;
-
- if (body_is_sequential &&
- (elt_count != 2
- && elt_count != 1))
- mus->origin ()->warning (_f ("expect 2 elements for chord tremolo, found %d", elt_count));
-
- if (elt_count <= 0)
- elt_count = 1;
-
- Rational total_dur = l.main_part_;
- Rational note_dur = total_dur / Rational (elt_count * Repeated_music::repeat_count (mus));
-
- SCM tremolo_type = scm_int2num (note_dur.den ());
- int expected_beaming_ = max (0, (intlog2 (total_dur.den ()) - 2));
-
- if (elt_count == 1)
- {
- Music *ev = make_music_by_name (ly_symbol2scm ("TremoloEvent"));
- ev->set_spot (*origin);
- ev->set_property ("tremolo-type", tremolo_type);
- return scm_list_2 (ev->unprotect (), body->self_scm ());
- }
- else
- {
- SCM tremolo_symbol = ly_symbol2scm ("TremoloSpanEvent");
- SCM start_event_scm = scm_call_2 (ly_lily_module_constant ("make-span-event"), tremolo_symbol, scm_from_int (START));
- unsmob_music (start_event_scm)->set_spot (*origin);
- SCM stop_event_scm = scm_call_2 (ly_lily_module_constant ("make-span-event"), tremolo_symbol, scm_from_int (STOP));
-
- Music *start_event = unsmob_music (start_event_scm);
- Music *stop_event = unsmob_music (stop_event_scm);
- start_event->set_spot (*origin);
- stop_event->set_spot (*origin);
- start_event->set_property ("tremolo-type", tremolo_type);
- start_event->set_property ("expected-beam-count", scm_int2num (expected_beaming_));
-
- return scm_list_3 (start_event_scm, body->self_scm (), stop_event_scm);
- }
+ SCM proc = ly_lily_module_constant ("tremolo::get-music-list");
+ return scm_call_1 (proc, mus->self_scm ());
}
IMPLEMENT_CTOR_CALLBACK (Chord_tremolo_iterator);