X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=lily%2Fnote-heads-engraver.cc;h=6ab0e99a15533bc69afbd9e8c13568cea2044435;hb=c76d27c59244a331a2873a40e0d7e40ad378d4b8;hp=2b3b9e082732853dc343439a189a34b680c65e25;hpb=a2991295b2c1fb36bec19de207161855ca3c1756;p=lilypond.git

diff --git a/lily/note-heads-engraver.cc b/lily/note-heads-engraver.cc
index 2b3b9e0827..6ab0e99a15 100644
--- a/lily/note-heads-engraver.cc
+++ b/lily/note-heads-engraver.cc
@@ -1,155 +1,110 @@
 /*
-  head-grav.cc -- part of GNU LilyPond
+  note-heads-engraver.cc -- part of GNU LilyPond
 
-  (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 #include <ctype.h>
 
 #include "rhythmic-head.hh"
-#include "paper-def.hh"
-#include "musical-request.hh"
+#include "output-def.hh"
+#include "event.hh"
 #include "dots.hh"
 #include "dot-column.hh"
 #include "staff-symbol-referencer.hh"
 #include "item.hh"
-#include "score-engraver.hh"
+#include "engraver.hh"
 #include "warn.hh"
 
-/**
-  make balls and rests
- */
 class Note_heads_engraver : public Engraver
 {
-  Link_array<Item> note_p_arr_;
-  Link_array<Item> dot_p_arr_;
-  Link_array<Note_req> note_req_l_arr_;
-  Moment note_end_mom_;
+  Link_array<Item> notes_;
+  Link_array<Item> dots_;
+  Link_array<Music> note_reqs_;
+
 public:
-  VIRTUAL_COPY_CONS (Translator);
-  
+  TRANSLATOR_DECLARATIONS (Note_heads_engraver);
+
 protected:
-  virtual void start_translation_timestep ();
-  virtual bool try_music (Music *req_l) ;
-  virtual void create_grobs ();
-  virtual void acknowledge_grob (Grob_info) ;
+  virtual bool try_music (Music *req) ;
+  virtual void process_music ();
+
   virtual void stop_translation_timestep ();
 };
 
+Note_heads_engraver::Note_heads_engraver ()
+{
+}
 
 bool
 Note_heads_engraver::try_music (Music *m) 
 {
-  if (Note_req * n =dynamic_cast <Note_req *> (m))
+  if (m->is_mus_type ("note-event"))
     {
-      note_req_l_arr_.push (n);
-      note_end_mom_  = note_end_mom_ >? now_mom () + m->length_mom ();
-      
+      note_reqs_.push (m);
       return true;
     }
-  else if (dynamic_cast<Busy_playing_req*> (m))
-    {
-      return now_mom () < note_end_mom_;
-    }
-  return false;
+  else if (m->is_mus_type ("busy-playing-event"))
+    return note_reqs_.size ();
+  else if (m->is_mus_type ("start-playing-event"))
+    return note_reqs_.size ();
   
+  return false;
 }
 
-void
-Note_heads_engraver::acknowledge_grob (Grob_info)
-{
-  //create_grobs ();
-}
 
 void
-Note_heads_engraver::create_grobs ()
+Note_heads_engraver::process_music ()
 {
-  if (note_p_arr_.size ())
-    return ;
-  
-  for (int i=0; i < note_req_l_arr_.size (); i++)
+  for (int i=0; i < note_reqs_.size (); i++)
     {
-      Item *note_p  = new Item (get_property ("NoteHead"));
-      
-      Staff_symbol_referencer::set_interface (note_p);
-
 
+      Music * req = note_reqs_[i];
+      Item *note = make_item ("NoteHead", req->self_scm ());
       
-      Music * req = note_req_l_arr_[i];
-      
-      Duration dur   = *unsmob_duration (req->get_mus_property ("duration"));
-      note_p->set_grob_property ("duration-log",
-				gh_int2scm (dur.duration_log () <? 2));
+      Duration dur = *unsmob_duration (req->get_property ("duration"));
 
+      note->set_property ("duration-log", scm_int2num (dur.duration_log ()));
       if (dur.dot_count ())
 	{
-	  Item * d = new Item (get_property ("Dots"));
-	  Rhythmic_head::set_dots (note_p, d);
+	  Item * d = make_item ("Dots", note->self_scm ());
+	  Rhythmic_head::set_dots (note, d);
 	  
 	  if (dur.dot_count ()
-	      != gh_scm2int (d->get_grob_property ("dot-count")))
-	    d->set_grob_property ("dot-count", gh_int2scm (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_p, Y_AXIS);
-	  announce_grob (d,0);
-	  dot_p_arr_.push (d);
+	  d->set_parent (note, Y_AXIS);
+	  
+	  dots_.push (d);
 	}
 
-      Pitch *pit =unsmob_pitch (req->get_mus_property ("pitch"));
-      note_p->set_grob_property ("staff-position",  gh_int2scm (pit->steps ()));
+      Pitch *pit =unsmob_pitch (req->get_property ("pitch"));
 
-      if (to_boolean (get_property ("easyPlay")))
-	{
-	  char s[2] = "a";
-	  s[0] = (pit->notename_i_ + 2)%7 + 'a';
+      int pos = pit ? pit->steps () : 0;
+      SCM c0 = get_property ("middleCPosition");
+      if (scm_is_number (c0))
+	pos += scm_to_int (c0);
 
-	  s[0] = toupper (s[0]);
-	  note_p->set_grob_property ("note-character", ly_str02scm (s));
-	}
-      
-      announce_grob (note_p,req);
-      note_p_arr_.push (note_p);
-    }
-}
- 
-void
-Note_heads_engraver::stop_translation_timestep ()
-{
-  for (int i=0; i < note_p_arr_.size (); i++)
-    {
-      typeset_grob (note_p_arr_[i]);
+      note->set_property ("staff-position",   scm_int2num (pos));
+      notes_.push (note);
     }
-  note_p_arr_.clear ();
-  for (int i=0; i < dot_p_arr_.size (); i++)
-    {
-      typeset_grob (dot_p_arr_[i]);
-    }
-  dot_p_arr_.clear ();
-  
-  note_req_l_arr_.clear ();
 }
 
 void
-Note_heads_engraver::start_translation_timestep ()
+Note_heads_engraver::stop_translation_timestep ()
 {
-  /* TODO:make this settable?
-   */
-  if (note_end_mom_ > now_mom ())
-    {
-      Score_engraver * e = 0;
-      Translator * t  =  daddy_grav_l ();
-      for (; !e && t;  t = t->daddy_trans_l_)
-	{
-	  e = dynamic_cast<Score_engraver*> (t);
-	}
 
-      if (!e)
-	programming_error ("No score engraver!");
-      else
-	e->forbid_breaks ();	// guh. Use properties!
-    }
+  notes_.clear ();
+  dots_.clear ();
+  note_reqs_.clear ();
 }
 
 
 
-ADD_THIS_TRANSLATOR (Note_heads_engraver);
-
+ENTER_DESCRIPTION (Note_heads_engraver,
+/* descr */       "Generate noteheads.",
+/* creats*/       "NoteHead Dots",
+/* accepts */     "note-event busy-playing-event",
+/* acks  */      "",
+/* reads */       "middleCPosition",
+/* write */       "");