lily/include/abbreviation-beam-engraver.hh

   1 /*
   2   abbreviation-beam-engraver.hh -- declare Abbreviation_beam_engraver
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7            Jan Nieuwenhuizen <janneke@gnu.org>
   8 */
   9
  10
  11 #ifndef ABBREVIATION_BEAM_ENGRAVER_HH
  12 #define ABBREVIATION_BEAM_ENGRAVER_HH
  13
  14 #include "engraver.hh"
  15 #include "drul-array.hh"
  16
  17 /**
  18   Generate an abbreviation beam.  Eat stems.
  19  */
  20 class Abbreviation_beam_engraver : public Engraver
  21 {
  22 public:
  23   VIRTUAL_COPY_CONS(Translator);
  24
  25
  26   Abbreviation_beam_engraver();
  27
  28 protected:
  29   virtual void do_removal_processing();
  30   virtual void do_process_requests();
  31   virtual bool do_try_music (Music*);
  32   virtual void acknowledge_element (Score_element_info);
  33   virtual void do_pre_move_processing();
  34   virtual void do_post_move_processing();
  35
  36 private:
  37   void typeset_beam ();
  38   Drul_array<Abbreviation_beam_req*> reqs_drul_;
  39   Abbreviation_beam_req* prev_start_req_;
  40   Abbreviation_beam* abeam_p_;
  41   Abbreviation_beam* finished_abeam_p_;
  42 };
  43
  44 #endif // ABBREVIATION_BEAM_ENGRAVER_HH