-/*
- 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--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-#include "pitch-squash-engraver.hh"
+ (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
+#include "staff-symbol-referencer.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 (i.elem_l_->is_type_b (Note_head::static_name ()))
+ SCM newpos = get_property ("squashedPosition");
+ if (scm_is_number (newpos)
+ && Note_head::has_interface (i.grob ()))
{
- Note_head * nl = (Note_head*)i.elem_l_->access_Item ();
- nl->position_i_ =0;
+ i.grob ()->set_property ("staff-position", newpos);
}
}
-ADD_THIS_TRANSLATOR (Pitch_squash_engraver);
-IMPLEMENT_IS_TYPE_B1(Pitch_squash_engraver, 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 */ "");