2 chord-tremolo-iterator.cc -- implement Chord_tremolo_iterator
4 source file of the GNU LilyPond music typesetter
6 (c) 2000--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
9 #include "chord-tremolo-iterator.hh"
12 #include "international.hh"
13 #include "repeated-music.hh"
16 Chord_tremolo_iterator::construct_children ()
18 Music *m = get_music ();
20 factor_ = Moment (Rational (1, 1));
21 child_iter_ = unsmob_iterator (get_iterator (Repeated_music::body (m)));
24 Chord_tremolo_iterator::Chord_tremolo_iterator ()
31 Chord_tremolo_iterator::do_quit ()
38 Chord_tremolo_iterator::derived_mark () const
41 scm_gc_mark (child_iter_->self_scm ());
45 Chord_tremolo_iterator::derived_substitute (Context *f, Context *t)
48 child_iter_->substitute_outlet (f, t);
52 Chord_tremolo_iterator::process (Moment m)
56 Music_iterator *yeah = try_music (get_music ());
58 set_context (yeah->get_outlet ());
60 get_music ()->origin ()->warning (_ ("no one to print a tremolos"));
63 child_iter_->process (factor_ * m);
67 Chord_tremolo_iterator::pending_moment () const
69 return child_iter_->pending_moment () / factor_;
73 Chord_tremolo_iterator::ok () const
75 return child_iter_ && child_iter_->ok ();
79 Chord_tremolo_iterator::try_music_in_children (Music *m) const
81 return child_iter_->try_music (m);
84 IMPLEMENT_CTOR_CALLBACK (Chord_tremolo_iterator);