source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
-#include "pitch-squash-engraver.hh"
+#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 (Note_head *nh = dynamic_cast<Note_head *> (i.elem_l_))
+ SCM newpos = get_property ("squashedPosition");
+ if (Note_head::has_interface (i.grob_l_))
{
- nh->position_i_ =0;
+ i.grob_l_->set_grob_property ("staff-position", newpos);
}
}
-ADD_THIS_TRANSLATOR (Pitch_squash_engraver);
-IMPLEMENT_IS_TYPE_B1(Pitch_squash_engraver, 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 */ "");