X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fnote-heads-engraver.cc;h=9d19e641d52443343e62874ab0d98372dccad23b;hb=refs%2Ftags%2Frelease%2F1.7.10;hp=2669e2fa51335f028f694562fed525c3e41d8d59;hpb=339ea28cd7e4f8a1c1ca7c1d4dfe803a3f4c03e6;p=lilypond.git

diff --git a/lily/note-heads-engraver.cc b/lily/note-heads-engraver.cc
index 2669e2fa51..9d19e641d5 100644
--- a/lily/note-heads-engraver.cc
+++ b/lily/note-heads-engraver.cc
@@ -1,102 +1,145 @@
 /*
   head-grav.cc -- part of GNU LilyPond
 
-  (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2002 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 ();
+
+private:
+  bool in_ligature;
+};
 
 Note_heads_engraver::Note_heads_engraver()
 {
+  in_ligature = 0;
 }
 
 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))
+  if (m->is_mus_type ("note-event"))
     {
-      note_req_l_arr_.push (n);
-      notes_end_pq_.insert (now_mom () + m->length_mom ());
-      
+      note_reqs_.push (m);
       return true;
     }
-  else if (Tonic_req* t = dynamic_cast<Tonic_req*> (m))
+  else if (m->is_mus_type ("busy-playing-event"))
+    return note_reqs_.size ();
+  else if (m->is_mus_type ("abort-event"))
     {
-      return true;
+      in_ligature = 0;
     }
-  else if (Busy_playing_req * p = dynamic_cast<Busy_playing_req*> (m))
+  else if (m->is_mus_type ("ligature-event"))
     {
-      return notes_end_pq_.size ();
+      /*
+	Urg ; this is not protocol. We should accept and return
+	true, or ignore.
+      */
+      in_ligature = (to_dir (m->get_mus_property("span-direction")) == START);
+      return false;
     }
-  return false;
   
+  return false;
 }
 
+
 void
-Note_heads_engraver::do_process_requests()
+Note_heads_engraver::process_music ()
 {
-  if (note_p_arr_.size ())
-    return ;
-  
-  String noteheadstyle = get_property ("noteHeadStyle", 0);
-  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;
-      Note_req * note_req_l = note_req_l_arr_[i];
-      note_p->balltype_i_ = note_req_l->duration_.durlog_i_;
-      note_p->dots_i_ = note_req_l->duration_.dots_i_;
-      if (note_p->dots_i_)
+      Item *note =
+	new Item (get_property ((in_ligature) ? "LigatureHead" : "NoteHead"));
+
+      Music * req = note_reqs_[i];
+      
+      Duration dur = *unsmob_duration (req->get_mus_property ("duration"));
+
+      note->set_grob_property ("duration-log", gh_int2scm (dur.duration_log ()));
+
+      if (dur.dot_count ())
 	{
-	  Dots * d = new Dots;
-	  note_p->dots_l_ = d;
-	  announce_element (Score_element_info (d,0));
-	  dot_p_arr_.push (d);
+	  Item * d = new Item (get_property ("Dots"));
+	  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 ()));
+
+	  d->set_parent (note, Y_AXIS);
+	  announce_grob (d, SCM_EOL);
+	  dots_.push (d);
 	}
-      note_p->position_i_ = note_req_l->pitch_.steps ();
 
-      if (noteheadstyle == "transparent")
-	note_p->set_elt_property (transparent_scm_sym, SCM_BOOL_T);
-      else 
-        note_p->set_elt_property (style_scm_sym,
-				  gh_str02scm (noteheadstyle.ch_C()));
+      Pitch *pit =unsmob_pitch (req->get_mus_property ("pitch"));
 
-      
-      Score_element_info itinf (note_p,note_req_l);
-      announce_element (itinf);
-      note_p_arr_.push (note_p);
+      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::do_post_move_processing()
+Note_heads_engraver::start_translation_timestep ()
 {
-  Moment n (now_mom ());
-  while (notes_end_pq_.size () && notes_end_pq_.front () <=n)
-    notes_end_pq_.get ();
 }
 
 
-
-ADD_THIS_TRANSLATOR(Note_heads_engraver);
+ENTER_DESCRIPTION(Note_heads_engraver,
+/* descr */       "Generate noteheads (also serves a double functions: makes ligatures.",
+/* creats*/       "NoteHead LigatureHead Dots",
+/* accepts */     "note-event busy-playing-event ligature-event abort-event",
+/* acks  */      "",
+/* reads */       "centralCPosition",
+/* write */       "");