lily/include/directional-spanner.hh

   1 /*
   2   directional-spanner.hh -- part of GNU LilyPond
   3
   4   (c) 1996--1999 Han-Wen Nienhuys
   5 */
   6
   7 #ifndef DIRECTIONALSPANNER_HH
   8 #define DIRECTIONALSPANNER_HH
   9
  10 #include "spanner.hh"
  11
  12 /** a spanner which can be pointing "up" or "down".
  13
  14     JUNKME?
  15  */
  16 class Directional_spanner : public Spanner{
  17 public:
  18
  19   /// -1 below heads, +1 above heads.
  20   Direction dir_;
  21   Directional_spanner();
  22
  23   /// offset of "center" relative to left-column/0-pos of staff
  24   virtual Offset center() const;
  25   virtual void set_default_dir();
  26 protected:
  27   virtual void do_pre_processing();
  28 };
  29
  30 #endif // DIRECTIONALSPANNER_HH
  31