lily/include/auto-change-iterator.hh

   1 /*
   2   auto-change-iterator.hh -- declare Auto_change_iterator
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1999--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7
   8  */
   9
  10 #ifndef AUTO_CHANGE_ITERATOR_HH
  11 #define AUTO_CHANGE_ITERATOR_HH
  12
  13 #include "music-wrapper-iterator.hh"
  14 #include "direction.hh"
  15
  16 class Auto_change_iterator : public Music_wrapper_iterator
  17 {
  18 public:
  19   VIRTUAL_COPY_CONS (Music_iterator);
  20   DECLARE_SCHEME_CALLBACK(constructor, ());
  21
  22   Auto_change_iterator ();
  23
  24 protected:
  25   virtual void process (Moment);
  26   Array<Pitch> pending_pitch (Moment)const;
  27 private:
  28   Direction where_dir_;
  29   void change_to (Music_iterator* , SCM, String);
  30 };
  31
  32 #endif /* AUTO_CHANGE_ITERATOR_HH */