2 chord-tremolo-iterator.cc -- implement Chord_tremolo_iterator
4 source file of the GNU LilyPond music typesetter
6 (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
12 this is culled from various other iterators, but sharing code by subclassing proved to be too difficult.
16 #include "chord-tremolo-iterator.hh"
17 #include "repeated-music.hh"
20 Chord_tremolo_iterator::construct_children ()
22 Repeated_music * rep = dynamic_cast<Repeated_music*> (music_l_);
23 factor_ = Moment (1, rep->repeats_i_);
24 child_iter_p_ = get_iterator_p (rep->body ());
27 Chord_tremolo_iterator::Chord_tremolo_iterator()
34 Chord_tremolo_iterator::do_process (Moment m)
38 Music_iterator *yeah = try_music (music_l_);
40 set_translator (yeah->report_to_l ());
42 music_l_->origin ()->warning ( _("no one to print a tremolos"));
45 child_iter_p_->process (factor_ * m);
50 Chord_tremolo_iterator::next_moment () const
52 return child_iter_p_->next_moment () / factor_;
56 Chord_tremolo_iterator::ok () const
58 return child_iter_p_ && child_iter_p_->ok();
61 Chord_tremolo_iterator::~Chord_tremolo_iterator ()
67 Chord_tremolo_iterator::try_music_in_children (Music *m) const
69 return child_iter_p_->try_music (m);
74 Chord_tremolo_iterator::do_print () const
76 child_iter_p_->print ();