* lily/modified-font-metric.cc (text_dimension): try

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

diff --git a/lily/pitch-squash-engraver.cc b/lily/pitch-squash-engraver.cc
index 027e73f37e055107819d3f61a13181865198da02..e69c3a337f40ffe9372c468ac083ae07f7e4469e 100644 (file)
--- a/lily/pitch-squash-engraver.cc
+++ b/lily/pitch-squash-engraver.cc
@@ -3,23 +3,48 @@
   
   source file of the GNU LilyPond music typesetter
   
-  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 #include "staff-symbol-referencer.hh"
 #include "note-head.hh"
-#include "pitch-squash-engraver.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 (Note_head::has_interface (i.elem_l_))
+  SCM newpos = get_property ("squashedPosition");
+  if (scm_is_number (newpos)
+      && Note_head::has_interface (i.grob_))
     {
-      Staff_symbol_referencer::set_position (i.elem_l_,0);
+      i.grob_->set_property ("staff-position", newpos);
     }
 }
 
-ADD_THIS_TRANSLATOR (Pitch_squash_engraver);
 
 
+Pitch_squash_engraver::Pitch_squash_engraver ()
+{
+}
+
+ADD_TRANSLATOR (Pitch_squash_engraver,
+/* descr */       
+                 "Set the vertical position of noteheads to "
+                 "@code{squashedPosition}, if that "
+                 "property is set. "
+                 "This can be used to make  a single line staff "
+                 "demonstrating the rhythm of a melody.",
+
+/* creats*/       "",
+/* accepts */     "",
+/* acks  */      "note-head-interface",
+/* reads */       "squashedPosition",
+/* write */       "");