release commit

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

diff --git a/lily/note-heads-engraver.cc b/lily/note-heads-engraver.cc
index 3090a6d111d33f7df1e8d8256acf417e36e321b7..55e20f8a6e3bd16597e86f5f5013d091fd857e87 100644 (file)
--- a/lily/note-heads-engraver.cc
+++ b/lily/note-heads-engraver.cc
@@ -1,115 +1,128 @@
 /*
   head-grav.cc -- part of GNU LilyPond
 
-  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
+#include <ctype.h>
 
-#include "note-head.hh"
-#include "note-heads-engraver.hh"
+#include "rhythmic-head.hh"
 #include "paper-def.hh"
-#include "musical-request.hh"
+#include "event.hh"
 #include "dots.hh"
 #include "dot-column.hh"
 #include "staff-symbol-referencer.hh"
+#include "item.hh"
+#include "engraver.hh"
+#include "warn.hh"
+
+/**
+  make balls and rests
+ */
+
+class Note_heads_engraver : public Engraver
+{
+  Link_array<Item> notes_;
+  
+  Link_array<Item> dots_;
+  Link_array<Music> note_reqs_;
+
+public:
+  TRANSLATOR_DECLARATIONS(Note_heads_engraver);
+
+protected:
+  virtual void start_translation_timestep ();
+  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::do_try_music (Music *m) 
+Note_heads_engraver::try_music (Music *m) 
 {
-  if (Note_req * n =dynamic_cast <Note_req *> (m))
-    {
-      note_req_l_arr_.push (n);
-      note_end_mom_  = note_end_mom_ >? now_mom () + m->length_mom ();
-      
-      return true;
-    }
-  else if (Tonic_req* t = dynamic_cast<Tonic_req*> (m))
+  if (m->is_mus_type ("note-event"))
     {
+      note_reqs_.push (m);
       return true;
     }
-  else if (Inversion_req* i = dynamic_cast<Inversion_req*> (m))
-    {
-      return true;
-    }
-  else if (Bass_req* b = dynamic_cast<Bass_req*> (m))
-    {
-      return true;
-    }
-  else if (Busy_playing_req * p = dynamic_cast<Busy_playing_req*> (m))
-    {
-      return now_mom () < note_end_mom_;
-    }
-  else if (Pitch_interrogate_req *p = dynamic_cast<Pitch_interrogate_req*> (m))
-    {
-      for (int i= note_req_l_arr_.size (); i--;)
-       p->pitch_arr_.push (note_req_l_arr_[i]->pitch_); // GUH UGH UGHUGH.
-      return true;
-    }
-  return false;
+  else if (m->is_mus_type ("busy-playing-event"))
+    return note_reqs_.size ();
   
+  return false;
 }
 
+
 void
-Note_heads_engraver::do_process_music()
+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++)
     {
-      Note_head *note_p  = new Note_head (SCM_EOL);
-      
-      Staff_symbol_referencer_interface si (note_p);
-      si.set_interface ();
+      Item *note = new Item (get_property ("NoteHead"));
 
+      Music * req = note_reqs_[i];
       
-      Note_req * note_req_l = note_req_l_arr_[i];
-      
-      note_p->set_elt_property ("duration-log",
-                               gh_int2scm (note_req_l->duration_.durlog_i_ <? 2));
+      Duration dur = *unsmob_duration (req->get_mus_property ("duration"));
 
-      if (note_req_l->duration_.dots_i_)
-       {
-         Dots * d = new Dots (SCM_EOL);
+      note->set_grob_property ("duration-log", gh_int2scm (dur.duration_log ()));
 
-         Staff_symbol_referencer_interface sd (d);
-         sd.set_interface ();
+      if (dur.dot_count ())
+       {
+         Item * d = new Item (get_property ("Dots"));
+         Rhythmic_head::set_dots (note, d);
          
-         note_p->add_dots (d);
-         d->set_elt_property ("dot-count", gh_int2scm (note_req_l->duration_.dots_i_));
-         announce_element (Score_element_info (d,0));
-         dot_p_arr_.push (d);
+         if (dur.dot_count ()
+             != gh_scm2int (d->get_grob_property ("dot-count")))
+           d->set_grob_property ("dot-count", gh_int2scm (dur.dot_count ()));
+
+         d->set_parent (note, Y_AXIS);
+         announce_grob (d, SCM_EOL);
+         dots_.push (d);
        }
-      si.set_position(note_req_l->pitch_.steps ());
 
-      Score_element_info itinf (note_p,note_req_l);
-      announce_element (itinf);
-      note_p_arr_.push (note_p);
+      Pitch *pit =unsmob_pitch (req->get_mus_property ("pitch"));
+
+      int pos = pit->steps ();
+      SCM c0 = get_property ("centralCPosition");
+      if (gh_number_p (c0))
+       pos += gh_scm2int (c0);
+
+      note->set_grob_property ("staff-position",   gh_int2scm (pos));
+      announce_grob (note,req->self_scm());
+      notes_.push (note);
     }
 }
- 
+
 void
-Note_heads_engraver::do_pre_move_processing()
+Note_heads_engraver::stop_translation_timestep ()
 {
-  for (int i=0; i < note_p_arr_.size (); i++)
+  for (int i=0; i < notes_.size (); i++)
     {
-      typeset_element (note_p_arr_[i]);
+      typeset_grob (notes_[i]);
     }
-  note_p_arr_.clear ();
-  for (int i=0; i < dot_p_arr_.size (); i++)
+
+  notes_.clear ();
+  for (int i=0; i < dots_.size (); i++)
     {
-      typeset_element (dot_p_arr_[i]);
+      typeset_grob (dots_[i]);
     }
-  dot_p_arr_.clear ();
-  
-  note_req_l_arr_.clear ();
+  dots_.clear ();
+  note_reqs_.clear ();
 }
 
+void
+Note_heads_engraver::start_translation_timestep ()
+{
+}
 
 
-
-ADD_THIS_TRANSLATOR(Note_heads_engraver);
-
+ENTER_DESCRIPTION(Note_heads_engraver,
+/* descr */       "Generate noteheads.",
+/* creats*/       "NoteHead Dots",
+/* accepts */     "note-event busy-playing-event ligature-event abort-event",
+/* acks  */      "",
+/* reads */       "centralCPosition",
+/* write */       "");