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 "repeated-music.hh"
15 Chord_tremolo_iterator::construct_children ()
17 Music *m = get_music ();
19 factor_ = Moment (Rational (1, 1));
20 child_iter_ = unsmob_iterator (get_iterator (Repeated_music::body (m)));
23 Chord_tremolo_iterator::Chord_tremolo_iterator ()
30 Chord_tremolo_iterator::do_quit ()
37 Chord_tremolo_iterator::derived_mark () const
40 scm_gc_mark (child_iter_->self_scm ());
44 Chord_tremolo_iterator::derived_substitute (Context *f, Context *t)
47 child_iter_->substitute_outlet (f, t);
51 Chord_tremolo_iterator::process (Moment m)
55 Music_iterator *yeah = try_music (get_music ());
57 set_context (yeah->get_outlet ());
59 get_music ()->origin ()->warning (_ ("no one to print a tremolos"));
62 child_iter_->process (factor_ * m);
66 Chord_tremolo_iterator::pending_moment () const
68 return child_iter_->pending_moment () / factor_;
72 Chord_tremolo_iterator::ok () const
74 return child_iter_ && child_iter_->ok ();
78 Chord_tremolo_iterator::try_music_in_children (Music *m) const
80 return child_iter_->try_music (m);
83 IMPLEMENT_CTOR_CALLBACK (Chord_tremolo_iterator);