X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fpitch-squash-engraver.cc;h=98607e15bb05b264a2c4c4bbd83dc6acd53beddc;hb=de2b6d04ee98783f86b02047e41ee672f97a813d;hp=fbe88a330090db0677dc5c4f24c4880199abd755;hpb=40c8e12b8afa8e9c7e44cf6ea3b724295884091b;p=lilypond.git

diff --git a/lily/pitch-squash-engraver.cc b/lily/pitch-squash-engraver.cc
index fbe88a3300..98607e15bb 100644
--- a/lily/pitch-squash-engraver.cc
+++ b/lily/pitch-squash-engraver.cc
@@ -3,23 +3,44 @@
   
   source file of the GNU LilyPond music typesetter
   
-  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 #include "staff-symbol-referencer.hh"
-
-#include "pitch-squash-engraver.hh"
+#include "note-head.hh"
 #include "rhythmic-head.hh"
+#include "engraver.hh"
+
+class Pitch_squash_engraver : public Engraver {
+public:
+  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)
 {
-  if (to_boolean (i.elem_l_->get_elt_property ("note-head-interface")))
+  SCM newpos = get_property ("squashedPosition");
+  if (Note_head::has_interface (i.grob_))
     {
-      Staff_symbol_referencer_interface (i.elem_l_).set_position(0);
+      i.grob_->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*/       "",
+/* accepts */     "",
+/* acks  */      "note-head-interface",
+/* reads */       "squashedPosition",
+/* write */       "");