]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/tuplet-engraver.cc
* flower
[lilypond.git] / lily / tuplet-engraver.cc
index 3488b06fa0124281725a3077939c1413d56b9280..9acf07106b601525e6a388cfc0fa85bbbb9390b2 100644 (file)
@@ -1,61 +1,62 @@
-/*   
-  plet-engraver.cc --  implement Tuplet_engraver
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
+/*
+  tuplet-engraver.cc -- implement Tuplet_engraver
 
+  source file of the GNU LilyPond music typesetter
 
+  (c) 1998--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
 
 #include "tuplet-bracket.hh"
 #include "note-column.hh"
-#include "time-scaled-music.hh"
 #include "beam.hh"
-#include "music-list.hh"
 #include "engraver.hh"
 #include "spanner.hh"
 
+struct Tuplet_description
+{
+  Music *music_;
+  Rational stop_;
+  Rational span_stop_;
+  Spanner *spanner_;
+  Tuplet_description ()
+  {
+    music_ = 0;
+    spanner_ = 0;
+  }
+};
+
 class Tuplet_engraver : public Engraver
 {
 public:
-  TRANSLATOR_DECLARATIONS(Tuplet_engraver);
+  TRANSLATOR_DECLARATIONS (Tuplet_engraver);
 
 protected:
-  Link_array<Music> time_scaled_musics_;
-  /// when does the scaled music stop? Array order is synced with time_scaled_musics_
-  Array<Rational> stop_moments_;
-  /// when does the current spanner stop? Array order is synced with time_scaled_musics_
-  Array<Rational> span_stop_moments_;
-  
-  /// The spanners. Array order is synced with time_scaled_musics_
-  Link_array<Spanner> started_spanners_;
-
-  virtual void finalize ();
+  Array<Tuplet_description> tuplets_;
+
   virtual void acknowledge_grob (Grob_info);
-  virtual bool try_music (Music*r);
+  virtual bool try_music (Music *r);
   virtual void start_translation_timestep ();
-  virtual void process_acknowledged_grobs ();
+  virtual void process_music ();
 };
 
 bool
-Tuplet_engraver::try_music (Music *c)
+Tuplet_engraver::try_music (Music *music)
 {
-  if (c->is_mus_type ("time-scaled-music"))
+  if (music->is_mus_type ("time-scaled-music"))
     {
-      Music *el = unsmob_music (c->get_mus_property ("element"));
-      if (el && !el->is_mus_type ("request-chord"))
+      Music *el = unsmob_music (music->get_property ("element"));
+      if (el && !el->is_mus_type ("event-chord"))
        {
-         time_scaled_musics_.push (c);
-         Rational m = now_mom ().main_part_ + c->get_length ().main_part_;
-         stop_moments_.push (m);
+         Tuplet_description d;
+         d.music_ = music;
+         d.stop_ = now_mom ().main_part_ + music->get_length ().main_part_;
+         d.span_stop_ = d.stop_;
 
          SCM s = get_property ("tupletSpannerDuration");
          if (unsmob_moment (s))
-           m = m <? (now_mom () + *unsmob_moment (s)).main_part_;
-         
-         span_stop_moments_.push (m);
+           d.span_stop_ = d.span_stop_ <? (now_mom () + *unsmob_moment (s)).main_part_;
+
+         tuplets_.push (d);
        }
       return true;
     }
@@ -63,33 +64,23 @@ Tuplet_engraver::try_music (Music *c)
 }
 
 void
-Tuplet_engraver::process_acknowledged_grobs ()
+Tuplet_engraver::process_music ()
 {
-  SCM v = get_property ("tupletInvisible");
-  if (to_boolean (v))
-    return;
-
-  for (int i= 0; i < time_scaled_musics_.size (); i++)
+  for (int i = 0; i < tuplets_.size (); i++)
     {
-      if (i < started_spanners_.size () && started_spanners_[i])
+      if (tuplets_[i].spanner_)
        continue;
 
-      Spanner* glep = new Spanner (get_property ("TupletBracket"));
-
-      if (i >= started_spanners_.size ())
-       started_spanners_.push (glep);
-      else
-       started_spanners_[i] = glep;
-      
+      Spanner *spanner = make_spanner ("TupletBracket",
+                                      tuplets_[i].music_->self_scm ());
+      tuplets_[i].spanner_ = spanner;
 
       SCM proc = get_property ("tupletNumberFormatFunction");
-      if (gh_procedure_p (proc))
+      if (ly_c_procedure_p (proc))
        {
-         SCM t = gh_apply (proc, scm_list_n (time_scaled_musics_[i]->self_scm (), SCM_UNDEFINED));
-         glep->set_grob_property ("text", t);
+         SCM t = scm_apply_0 (proc, scm_list_1 (tuplets_[i].music_->self_scm ()));
+         spanner->set_property ("text", t);
        }
-      
-      announce_grob(glep, time_scaled_musics_ [i]->self_scm());
     }
 }
 
@@ -98,9 +89,10 @@ Tuplet_engraver::acknowledge_grob (Grob_info i)
 {
   if (Note_column::has_interface (i.grob_))
     {
-      for (int j =0; j  <started_spanners_.size (); j++)
-       if (started_spanners_[j]) 
-         Tuplet_bracket::add_column (started_spanners_[j], dynamic_cast<Item*> (i.grob_));
+      for (int j = 0; j < tuplets_.size (); j++)
+       if (tuplets_[j].spanner_)
+         Tuplet_bracket::add_column (tuplets_[j].spanner_,
+                                     dynamic_cast<Item *> (i.grob_));
     }
 }
 
@@ -114,48 +106,37 @@ Tuplet_engraver::start_translation_timestep ()
   if (unsmob_moment (s))
     tsd = unsmob_moment (s)->main_part_;
 
-  for (int i= started_spanners_.size (); i--;)
+  for (int i = tuplets_.size (); i--;)
     {
-      if (now.main_part_ >= span_stop_moments_[i])
+      if (now.main_part_ >= tuplets_[i].span_stop_)
        {
-         if (started_spanners_[i])
+         if (Spanner *sp = tuplets_[i].spanner_)
            {
-             typeset_grob (started_spanners_[i]);
-             started_spanners_[i] =0;
+             if (!sp->get_bound (RIGHT))
+               sp->set_bound (RIGHT, sp->get_bound (LEFT));
+
+             tuplets_[i].spanner_ = 0;
            }
-         
+
          if (tsd.to_bool ())
-           span_stop_moments_[i] += tsd.main_part_;
+           tuplets_[i].span_stop_ += tsd.main_part_;
        }
 
-      if (now.main_part_ >= stop_moments_[i])
+      if (now.main_part_ >= tuplets_[i].stop_)
        {
-         started_spanners_.del (i);
-         stop_moments_.del (i);
-         span_stop_moments_.del (i);
-         time_scaled_musics_.del (i);
+         tuplets_.del (i);
        }
     }
 }
 
-void
-Tuplet_engraver::finalize ()
+Tuplet_engraver::Tuplet_engraver ()
 {
-  for (int i=0; i < started_spanners_.size (); i++)
-    {
-      if (started_spanners_[i])
-       typeset_grob (started_spanners_[i]);
-    }  
 }
 
-
-
-Tuplet_engraver::Tuplet_engraver(){}
-
-ENTER_DESCRIPTION(Tuplet_engraver,
-/* descr */       "Catch Time_scaled_music and generate appropriate bracket  ",
-/* creats*/       "TupletBracket",
-/* accepts */     "time-scaled-music",
-/* acks  */      "note-column-interface",
-/* reads */       "tupletNumberFormatFunction tupletSpannerDuration tupletInvisible",
-/* write */       "");
+ADD_TRANSLATOR (Tuplet_engraver,
+               /* descr */ "Catch Time_scaled_music and generate appropriate bracket  ",
+               /* creats*/ "TupletBracket",
+               /* accepts */ "time-scaled-music",
+               /* acks  */ "note-column-interface",
+               /* reads */ "tupletNumberFormatFunction tupletSpannerDuration",
+               /* write */ "");