lily/a2-devnull-engraver.cc

   1 /*
   2   a2-devnull-engraver.cc -- implement A2_devnull_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
   7 */
   8
   9 #include "engraver.hh"
  10 #include "item.hh"
  11 #include "musical-request.hh"
  12 #include "translator-group.hh"
  13
  14 class A2_devnull_engraver : public Engraver
  15 {
  16 public:
  17   VIRTUAL_COPY_CONS (Translator);
  18
  19 protected:
  20   virtual void acknowledge_element (Score_element_info);
  21 };
  22
  23 ADD_THIS_TRANSLATOR (A2_devnull_engraver);
  24
  25 void
  26 A2_devnull_engraver::acknowledge_element (Score_element_info i)
  27 {
  28   if (daddy_trans_l_->id_str_ == "two"
  29       && to_boolean (get_property ("unison")))
  30     i.elem_l_->suicide ();
  31 }