Run `make grand-replace'.

[lilypond.git] / lily / note-heads-engraver.cc

diff --git a/lily/note-heads-engraver.cc b/lily/note-heads-engraver.cc
index 6e27d6551b3982324a531f2f414395fe82ba8579..e3fce707fae3210d16c222c4a1b735ec8d349b65 100644 (file)
--- a/lily/note-heads-engraver.cc
+++ b/lily/note-heads-engraver.cc
@@ -1,116 +1,106 @@
 /*
   note-heads-engraver.cc -- part of GNU LilyPond
 
-  (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
+#include "engraver.hh"
+
 #include <cctype>
+using namespace std;
 
-#include "rhythmic-head.hh"
+#include "duration.hh"
+#include "item.hh"
 #include "output-def.hh"
-#include "dots.hh"
-#include "dot-column.hh"
+#include "pitch.hh"
+#include "rhythmic-head.hh"
 #include "staff-symbol-referencer.hh"
-#include "item.hh"
-#include "engraver.hh"
+#include "stream-event.hh"
 #include "warn.hh"
 
+#include "translator.icc"
+
 class Note_heads_engraver : public Engraver
 {
-  Link_array<Item> notes_;
-  Link_array<Item> dots_;
-  Link_array<Music> note_evs_;
+  vector<Item*> notes_;
+  vector<Stream_event*> note_evs_;
 
 public:
   TRANSLATOR_DECLARATIONS (Note_heads_engraver);
 
 protected:
-  virtual bool try_music (Music *ev) ;
-  virtual void process_music ();
-
-  virtual void stop_translation_timestep ();
+  DECLARE_TRANSLATOR_LISTENER (note);
+  void process_music ();
+  void stop_translation_timestep ();
 };
 
 Note_heads_engraver::Note_heads_engraver ()
 {
 }
 
-bool
-Note_heads_engraver::try_music (Music *m) 
+IMPLEMENT_TRANSLATOR_LISTENER (Note_heads_engraver, note);
+void
+Note_heads_engraver::listen_note (Stream_event *ev)
 {
-  if (m->is_mus_type ("note-event"))
-    {
-      note_evs_.push (m);
-      return true;
-    }
-  else if (m->is_mus_type ("busy-playing-event"))
-    return note_evs_.size ();
-  
-  return false;
+  note_evs_.push_back (ev);
 }
 
-
 void
 Note_heads_engraver::process_music ()
 {
-  for (int i = 0; i < note_evs_.size (); i++)
+  SCM c0 = get_property ("middleCPosition");
+  SCM layout_proc = get_property("staffLineLayoutFunction");
+      
+  for (vsize i = 0; i < note_evs_.size (); i++)
     {
-
-      Music * ev = note_evs_[i];
+      Stream_event *ev = note_evs_[i];
       Item *note = make_item ("NoteHead", ev->self_scm ());
-      
-      Duration dur = *unsmob_duration (ev->get_property ("duration"));
-
-      note->set_property ("duration-log", scm_int2num (dur.duration_log ()));
-      if (dur.dot_count ())
-       {
-         Item * d = make_item ("Dots", note->self_scm ());
-         Rhythmic_head::set_dots (note, d);
-         
-         if (dur.dot_count ()
-             != robust_scm2int (d->get_property ("dot-count"), 0))
-           d->set_property ("dot-count", scm_int2num (dur.dot_count ()));
-
-         d->set_parent (note, Y_AXIS);
-         
-         dots_.push (d);
-       }
 
       Pitch *pit = unsmob_pitch (ev->get_property ("pitch"));
 
-      int pos = pit ? pit->steps () : 0;
-      SCM c0 = get_property ("middleCPosition");
-      if (scm_is_number (c0))
-       pos += scm_to_int (c0);
+#if 0 /* TODO: should have a mechanism to switch off these warnings. */
 
-      note->set_property ("staff-position",   scm_int2num (pos));
+      if (!pit)
+       ev->origin ()->warning (_ ("NoteEvent without pitch"));
+#endif
+
+      int pos;
+      if (pit == 0)
+       pos = 0;
+      else if (ly_is_procedure (layout_proc)){
+       SCM pitch = ev->get_property("pitch");
+       pos = scm_to_int(scm_call_1 (layout_proc, pitch));
+      }
+      else 
+       pos = pit->steps ();
+
+      if (scm_is_number (c0))
+       pos += scm_to_int(c0);
+      
+      note->set_property ("staff-position", scm_from_int (pos));
 
       /*
-       Shaped note heads change on step of the scale.
-       */
+       Shape note heads change on step of the scale.
+      */
       SCM shape_vector = get_property ("shapeNoteStyles");
       if (scm_is_vector (shape_vector))
        {
          SCM scm_tonic = get_property ("tonic");
-         Pitch tonic (0,0,0); 
+         Pitch tonic (0, 0, 0);
          if (unsmob_pitch (scm_tonic))
            tonic = *unsmob_pitch (scm_tonic);
-      
-         unsigned int delta = (pit->get_notename() - tonic.get_notename() + 7) % 7;
-         
+
+         unsigned int delta = (pit->get_notename () - tonic.get_notename () + 7) % 7;
+
          SCM style = SCM_EOL;
          if (scm_c_vector_length (shape_vector) > delta
              && scm_is_symbol (scm_vector_ref (shape_vector, scm_from_int (delta))))
-           {
-             style = scm_vector_ref (shape_vector, scm_from_int (delta));
-           }
+           style = scm_vector_ref (shape_vector, scm_from_int (delta));
          if (scm_is_symbol (style))
-           {
-             note->set_property ("style", style);
-           }
+           note->set_property ("style", style);
        }
-      
-      notes_.push (note);
+
+      notes_.push_back (note);
     }
 }
 
@@ -118,16 +108,20 @@ void
 Note_heads_engraver::stop_translation_timestep ()
 {
   notes_.clear ();
-  dots_.clear ();
   note_evs_.clear ();
 }
 
+ADD_TRANSLATOR (Note_heads_engraver,
+               /* doc */
+               "Generate note heads.",
+
+               /* create */
+               "NoteHead ",
 
+               /* read */
+               "middleCPosition "
+               "staffLineLayoutFunction ",
 
-ADD_TRANSLATOR (Note_heads_engraver,
-/* descr */       "Generate noteheads.",
-/* creats*/       "NoteHead Dots",
-/* accepts */     "note-event busy-playing-event",
-/* acks  */      "",
-/* reads */       "middleCPosition",
-/* write */       "");
+               /* write */
+               ""
+               );