- static bool has_interface (Grob *);
- static Interval conditional_width (Grob *, Grob *);
- static Interval width (Grob *);
- static Interval relative_width (Grob *, Grob *);
+ DECLARE_GROB_INTERFACE ();
+ DECLARE_SCHEME_CALLBACK (calc_skylines, (SCM));
+ DECLARE_SCHEME_CALLBACK (print, (SCM));
+
+ static vector<Box> boxes (Grob *me, Grob *left);
+ static Skyline conditional_skyline (Grob *, Grob *);