hdr/directionalspanner.hh

   1 /*
   2   directionalspanner.hh -- part of LilyPond
   3
   4   (c) 1996 Han-Wen Nienhuys
   5 */
   6
   7 #ifndef DIRECTIONALSPANNER_HH
   8 #define DIRECTIONALSPANNER_HH
   9
  10 #include "spanner.hh"
  11
  12 struct Directional_spanner : Spanner{
  13
  14     /// -1 below heads, +1 above heads.
  15     int dir;
  16
  17     /// offset of "center" relative to left-column/0-pos of staff
  18     virtual Offset center() const=0;
  19     virtual void set_default_dir()=0;
  20     Directional_spanner();
  21
  22 };
  23
  24 #endif // DIRECTIONALSPANNER_HH
  25