X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fnote-heads-engraver.cc;h=a6886c3b370ac3664d65123e9af9dc5eb812a196;hb=d9fcd3db46970a4afbc4e073abb2156ecc865981;hp=7b91132246c8ac377a9ab9894aba514cc17f066f;hpb=9f3572d98bb948c9689cd1f75401a029451fa001;p=lilypond.git

diff --git a/lily/note-heads-engraver.cc b/lily/note-heads-engraver.cc
index 7b91132246..a6886c3b37 100644
--- a/lily/note-heads-engraver.cc
+++ b/lily/note-heads-engraver.cc
@@ -1,7 +1,20 @@
 /*
-  note-heads-engraver.cc -- part of GNU LilyPond
+  This file is part of LilyPond, the GNU music typesetter.
 
-  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "engraver.hh"
@@ -9,26 +22,27 @@
 #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 "stream-event.hh"
 #include "warn.hh"
-#include "duration.hh"
+
+#include "translator.icc"
 
 class Note_heads_engraver : public Engraver
 {
   vector<Item*> notes_;
-  vector<Item*> dots_;
-  vector<Music*> note_evs_;
+  vector<Stream_event*> note_evs_;
 
 public:
   TRANSLATOR_DECLARATIONS (Note_heads_engraver);
 
 protected:
-  virtual bool try_music (Music *ev);
+  DECLARE_TRANSLATOR_LISTENER (note);
   void process_music ();
   void stop_translation_timestep ();
 };
@@ -37,45 +51,24 @@ 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_back (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 ()
 {
+  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_from_int (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_from_int (dur.dot_count ()));
-
-	  d->set_parent (note, Y_AXIS);
-
-	  dots_.push_back (d);
-	}
-
       Pitch *pit = unsmob_pitch (ev->get_property ("pitch"));
 
 #if 0 /* TODO: should have a mechanism to switch off these warnings. */
@@ -84,11 +77,19 @@ Note_heads_engraver::process_music ()
 	ev->origin ()->warning (_ ("NoteEvent without pitch"));
 #endif
 
-      int pos = pit ? pit->steps () : 0;
-      SCM c0 = get_property ("middleCPosition");
-      if (scm_is_number (c0))
-	pos += scm_to_int (c0);
+      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));
 
       /*
@@ -120,19 +121,20 @@ void
 Note_heads_engraver::stop_translation_timestep ()
 {
   notes_.clear ();
-  dots_.clear ();
   note_evs_.clear ();
 }
 
-#include "translator.icc"
-
 ADD_TRANSLATOR (Note_heads_engraver,
-		/* doc */ "Generate noteheads.",
+		/* doc */
+		"Generate note heads.",
+
 		/* create */
-		"NoteHead "
-		"Dots",
-		/* accept */
-		"note-event "
-		"busy-playing-event",
-		/* read */ "middleCPosition",
-		/* write */ "");
+		"NoteHead ",
+
+		/* read */
+		"middleCPosition "
+		"staffLineLayoutFunction ",
+
+		/* write */
+		""
+		);