source file of the GNU LilyPond music typesetter
- (c) 1999--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "request.hh"
+#include "event.hh"
#include "paper-column.hh"
#include "engraver.hh"
#include "pqueue.hh"
virtual void acknowledge_grob (Grob_info);
virtual void start_translation_timestep ();
virtual void stop_translation_timestep ();
- virtual void initialize ();
+ virtual void process_music ();
virtual void finalize ();
};
}
void
-Spacing_engraver::initialize ()
+Spacing_engraver::process_music ()
{
- spacing_ =new Spanner (get_property ("SpacingSpanner"));
- spacing_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn")));
- announce_grob(spacing_, SCM_EOL);
+ if (!spacing_)
+ {
+ spacing_ = make_spanner ("SpacingSpanner");
+ spacing_->set_bound (LEFT, unsmob_grob (get_property ("currentCommandColumn")));
+ announce_grob(spacing_, SCM_EOL);
+ }
}
void
Spacing_engraver::finalize ()
{
- Grob * p = unsmob_grob (get_property ("currentCommandColumn"));
- spacing_->set_bound (RIGHT, p);
- typeset_grob (spacing_);
- spacing_ =0;
+ if (spacing_)
+ {
+ Grob * p = unsmob_grob (get_property ("currentCommandColumn"));
+
+ spacing_->set_bound (RIGHT, p);
+ typeset_grob (spacing_);
+ spacing_ =0;
+ }
}
void
Music *r = i.music_cause ();
if (r && r->is_mus_type ("rhythmic-event"))
{
- Moment len = r->length_mom ();
+ Moment len = r->get_length ();
Rhythmic_tuple t (i, now_mom () + len);
now_durations_.push (t);
}
shortest_playing.set_infinite (1);
for (int i=0; i < playing_durations_.size (); i++)
{
- Moment m = (playing_durations_[i].info_.music_cause ())->length_mom ();
- shortest_playing = shortest_playing <? m;
+ Music * mus = playing_durations_[i].info_.music_cause ();
+ if (mus)
+ {
+ Moment m = mus->get_length ();
+ shortest_playing = shortest_playing <? m;
+ }
}
-
Moment starter;
starter.set_infinite (1);
for (int i=0; i < now_durations_.size (); i++)
{
- Moment m = now_durations_[i].info_.music_cause ()->length_mom ();
+ Moment m = now_durations_[i].info_.music_cause ()->get_length ();
if (m.to_bool ())
{
starter = starter <? m;