]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/pitch-squash-engraver.cc
release: 1.5.13
[lilypond.git] / lily / pitch-squash-engraver.cc
index 4ab2d01f0a502b4dbdada80e674bbd45ae6ef145..6ea465e78151573eed6aa06ed1742d3d4f7c1fbc 100644 (file)
@@ -13,7 +13,7 @@
 
 class Pitch_squash_engraver : public Engraver {
 public:
-  VIRTUAL_COPY_CONS (Translator);
+  TRANSLATOR_DECLARATIONS(Pitch_squash_engraver);
   virtual void acknowledge_grob (Grob_info);
 };
 
@@ -22,12 +22,24 @@ void
 Pitch_squash_engraver::acknowledge_grob (Grob_info i)
 {
   SCM newpos = get_property ("squashedPosition");
-  if (Note_head::has_interface (i.elem_l_))
+  if (Note_head::has_interface (i.grob_l_))
     {
-      i.elem_l_->set_grob_property ("staff-position", newpos);
+      i.grob_l_->set_grob_property ("staff-position", newpos);
     }
 }
 
-ADD_THIS_TRANSLATOR (Pitch_squash_engraver);
 
 
+Pitch_squash_engraver::Pitch_squash_engraver()
+{
+}
+
+ENTER_DESCRIPTION(Pitch_squash_engraver,
+/* descr */       "Treat all pitches as middle C.  Note that the notes move, but
+the locations of accidentals stay the same. 
+Set the position field of all note heads to zero. This useful for
+making a single line staff that demonstrates the rhythm of a melody.",
+/* creats*/       "",
+/* acks  */       "note-head-interface",
+/* reads */       "squashedPosition",
+/* write */       "");