release: 1.5.29

[lilypond.git] / lily / pitch-squash-engraver.cc

diff --git a/lily/pitch-squash-engraver.cc b/lily/pitch-squash-engraver.cc
index 90a73ea0eccc577acd7ed76190e539323d02166e..3df136ee217756f51ee7b3ed7a54aa54a99e76f1 100644 (file)
--- a/lily/pitch-squash-engraver.cc
+++ b/lily/pitch-squash-engraver.cc
@@ -3,7 +3,7 @@
   
   source file of the GNU LilyPond music typesetter
   
-  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 #include "staff-symbol-referencer.hh"
@@ -13,21 +13,33 @@
 
 class Pitch_squash_engraver : public Engraver {
 public:
-  VIRTUAL_COPY_CONS (Translator);
-  virtual void acknowledge_element (Score_element_info);
+  TRANSLATOR_DECLARATIONS(Pitch_squash_engraver);
+  virtual void acknowledge_grob (Grob_info);
 };
 
 
 void
-Pitch_squash_engraver::acknowledge_element (Score_element_info i)
+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_elt_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 */       "");