Imported Upstream version 2.14.2

[lilypond.git] / lily / time-scaled-music-iterator.cc

diff --git a/lily/time-scaled-music-iterator.cc b/lily/time-scaled-music-iterator.cc
deleted file mode 100644 (file)
index e70c44a..0000000
--- a/lily/time-scaled-music-iterator.cc
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
-  time-scaled-music-iterator.cc -- implement Time_scaled_music_iterator
-
-  source file of the GNU LilyPond music typesetter
-
-  (c) 1998--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>,
-                 Erik Sandberg <mandolaerik@gmail.com>
-*/
-
-#include "context.hh"
-#include "input.hh"
-#include "international.hh"
-#include "music.hh"
-#include "music-wrapper-iterator.hh"
-#include "stream-event.hh"
-
-/*
-  Iterates \times, by sending TupletSpanEvents at the start/end of each
-  tuplet bracket. Extra stop/start events are sent at regular
-  intervals if tupletSpannerDuration is set.
-*/
-class Time_scaled_music_iterator : public Music_wrapper_iterator
-{
-public:
-  DECLARE_SCHEME_CALLBACK (constructor, ());
-  /* construction */
-  DECLARE_CLASSNAME (Time_scaled_music_iterator);
-  Time_scaled_music_iterator ();
-protected:
-  virtual void process (Moment m);
-  virtual void construct_children ();
-  virtual void derived_mark () const;
-  virtual Moment pending_moment () const;
-
-  Music *create_event (Direction d);
-  
-private:
-
-  /* tupletSpannerDuration */
-  Moment spanner_duration_;
-
-  /* next time to add a stop/start pair */
-  Moment next_split_mom_;
-  
-  /* Recycle start/stop events if tupletSpannerDuration is set. */
-  SCM synthesized_events_;
-  
-  Context_handle tuplet_handler_;
-};
-
-Music*
-Time_scaled_music_iterator::create_event (Direction d)
-{
-  SCM ev_scm = scm_call_2 (ly_lily_module_constant ("make-span-event"),
-                          ly_symbol2scm ("TupletSpanEvent"),
-                          scm_from_int (d));
-  
-  Music *mus = get_music ();
-
-  Music *ev = unsmob_music (ev_scm);
-  ev->set_spot (*mus->origin ());
-  if (d == START)
-    {
-      ev->set_property ("numerator", mus->get_property ("numerator"));
-      ev->set_property ("denominator", mus->get_property ("denominator"));
-      ev->set_property ("tweaks", mus->get_property ("tweaks"));
-      ev->set_property ("length", spanner_duration_.smobbed_copy ()); 
-    }  
-
-  synthesized_events_ = scm_cons (ev_scm, synthesized_events_);
-  return ev;
-}
-
-
-Time_scaled_music_iterator::Time_scaled_music_iterator ()
-{
-  spanner_duration_ = next_split_mom_ = 0;
-  synthesized_events_ = SCM_EOL;
-}
-
-
-Moment
-Time_scaled_music_iterator::pending_moment () const
-{
-  Moment next_mom = Music_wrapper_iterator::pending_moment ();
-  next_mom = min (next_mom, next_split_mom_);
-
-  return next_mom;
-}
-
-
-void
-Time_scaled_music_iterator::process (Moment m)
-{
-  if (spanner_duration_.to_bool () &&
-      m.main_part_ == next_split_mom_)
-    {
-      descend_to_bottom_context ();
-      if (tuplet_handler_.get_outlet ())
-       create_event (STOP)->send_to_context (tuplet_handler_.get_outlet ());
-
-      if (m.main_part_ < music_get_length ().main_part_)
-       {
-         tuplet_handler_.set_context (get_outlet ());
-         report_event (create_event (START));
-      
-         next_split_mom_ += spanner_duration_;
-       }
-      else
-       {
-         tuplet_handler_.set_context (0);
-       }
-    }
-  Music_wrapper_iterator::process (m);
-  if (child_iter_ && child_iter_->ok ())
-    descend_to_child (child_iter_->get_outlet ());
-  
-}
-
-void
-Time_scaled_music_iterator::construct_children ()
-{
-  spanner_duration_ = music_get_length ();
-
-  Moment *mp = unsmob_moment (get_outlet ()->get_property ("tupletSpannerDuration"));
-  if (mp)
-    spanner_duration_ = min (mp->main_part_, spanner_duration_);
-  
-  Music_wrapper_iterator::construct_children ();
-
-  if (child_iter_ && child_iter_->ok ())
-    descend_to_child (child_iter_->get_outlet ());
-}
-
-void
-Time_scaled_music_iterator::derived_mark () const
-{
-  scm_gc_mark (synthesized_events_);
-  Music_wrapper_iterator::derived_mark ();
-}
-
-IMPLEMENT_CTOR_CALLBACK (Time_scaled_music_iterator);