lily/include/beam.hh

   1 /*
   2   beam.hh -- part of GNU LilyPond
   3
   4   (c) 1996,97 Han-Wen Nienhuys
   5 */
   6
   7 #ifndef BEAM_HH
   8 #define BEAM_HH
   9 #include "lily-proto.hh"
  10 #include "directional-spanner.hh"
  11 #include "plist.hh"
  12
  13 /** a beam connects multiple stems Beam adjusts the stems its owns to
  14   make sure that they reach the beam and that point in the correct
  15   direction */
  16 class Beam:  public Directional_spanner {
  17 public:
  18   Link_array<Stem> stems;
  19   /// the slope of the beam in posns / point (dimension)
  20   Real slope;
  21
  22   /// position of leftmost end of beam
  23   Real left_pos;
  24
  25
  26   /* *************** */
  27   DECLARE_MY_RUNTIME_TYPEINFO;
  28   Beam();
  29   void add (Stem*);
  30
  31   void set_grouping (Rhythmic_grouping def, Rhythmic_grouping current);
  32   void set_stemlens();
  33   SCORE_ELEM_CLONE(Beam);
  34
  35 protected:
  36   virtual Interval do_width() const;
  37   Offset center() const;
  38   void set_default_dir();
  39   virtual void do_pre_processing();
  40   virtual void do_post_processing();
  41   virtual void do_substitute_dependent (Score_elem*, Score_elem*);
  42
  43   virtual void do_print() const;
  44
  45   virtual Molecule stem_beams (Stem *here, Stem *next, Stem *prev) const;
  46   virtual void solve_slope();
  47   virtual Molecule*brew_molecule_p() const;
  48 };
  49
  50 #endif // BEAM_HH
  51