]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/pitch-squash-engraver.cc
Run `make grand-replace'.
[lilypond.git] / lily / pitch-squash-engraver.cc
index 90a73ea0eccc577acd7ed76190e539323d02166e..c12f9224a7f1603f7233d8cdd6f70a2716df0cc6 100644 (file)
@@ -1,33 +1,52 @@
-/*   
-  pitch-squash-grav.cc --  implement Pitch_squash_engraver
-  
+/*
+  pitch-squash-engraver.cc -- implement Pitch_squash_engraver
+
   source file of the GNU LilyPond music typesetter
-  
-  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
+
+  (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+
+#include "engraver.hh"
+
 #include "staff-symbol-referencer.hh"
 #include "note-head.hh"
 #include "rhythmic-head.hh"
-#include "engraver.hh"
+#include "grob.hh"
 
-class Pitch_squash_engraver : public Engraver {
+class Pitch_squash_engraver : public Engraver
+{
 public:
-  VIRTUAL_COPY_CONS (Translator);
-  virtual void acknowledge_element (Score_element_info);
+  TRANSLATOR_DECLARATIONS (Pitch_squash_engraver);
+  DECLARE_ACKNOWLEDGER (note_head);
 };
 
-
 void
-Pitch_squash_engraver::acknowledge_element (Score_element_info i)
+Pitch_squash_engraver::acknowledge_note_head (Grob_info i)
 {
   SCM newpos = get_property ("squashedPosition");
-  if (Note_head::has_interface (i.elem_l_))
-    {
-      i.elem_l_->set_elt_property ("staff-position", newpos);
-    }
+  if (scm_is_number (newpos))
+    i.grob ()->set_property ("staff-position", newpos);
+}
+
+Pitch_squash_engraver::Pitch_squash_engraver ()
+{
 }
 
-ADD_THIS_TRANSLATOR (Pitch_squash_engraver);
+#include "translator.icc"
+ADD_ACKNOWLEDGER (Pitch_squash_engraver, note_head);
+ADD_TRANSLATOR (Pitch_squash_engraver,
+               /* doc */
+               "Set the vertical position of note heads to"
+               " @code{squashedPosition}, if that property is set.  This can"
+               " be used to make a single-line staff demonstrating the"
+               " rhythm of a melody.",
+
+               /* create */
+               "",
 
+               /* read */
+               "squashedPosition ",
 
+               /* write */
+               ""
+               );