lily/include/beam-engraver.hh

   1 /*
   2   beam-engraver.hh -- declare Beam_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9
  10 #ifndef BEAM_GRAV_HH
  11 #define BEAM_GRAV_HH
  12
  13 #include "engraver.hh"
  14 #include "drul-array.hh"
  15
  16 /**
  17   Generate a beam. Eats stems.
  18  */
  19 class Beam_engraver : public Engraver
  20 {
  21   Drul_array<Beam_req *> span_reqs_drul_;
  22   Beam *beam_p_;
  23   Rhythmic_grouping *current_grouping_p_;
  24
  25 public:
  26   TRANSLATOR_CLONE(Beam_engraver);
  27   DECLARE_MY_RUNTIME_TYPEINFO;
  28   Beam_engraver();
  29 protected:
  30   virtual void do_removal_processing();
  31   virtual void do_process_requests();
  32   virtual bool do_try_request (Request*);
  33   virtual void acknowledge_element (Score_element_info);
  34   virtual void do_pre_move_processing();
  35 };
  36
  37 #endif // BEAM_GRAV_HH