+#include "lily-proto.hh"
+#include "std-vector.hh"
+#include "grob-interface.hh"
+
+class Slur
+{
+public:
+ static void add_column (Grob *me, Grob *col);
+ static void add_extra_encompass (Grob *me, Grob *col);
+ static void replace_breakable_encompass_objects (Grob *me);
+ static void auxiliary_acknowledge_extra_object (Grob_info const &, vector<Grob *> &, vector<Grob *> &);
+ DECLARE_SCHEME_CALLBACK (print, (SCM));
+ DECLARE_SCHEME_CALLBACK (calc_control_points, (SCM));
+ DECLARE_SCHEME_CALLBACK (calc_direction, (SCM));
+ DECLARE_SCHEME_CALLBACK (pure_height, (SCM, SCM, SCM));
+ DECLARE_SCHEME_CALLBACK (height, (SCM));
+ DECLARE_SCHEME_CALLBACK (vertical_skylines, (SCM));
+ DECLARE_SCHEME_CALLBACK (outside_slur_callback, (SCM, SCM));
+ DECLARE_SCHEME_CALLBACK (pure_outside_slur_callback, (SCM, SCM, SCM, SCM));
+ DECLARE_SCHEME_CALLBACK (outside_slur_cross_staff, (SCM, SCM));
+ DECLARE_SCHEME_CALLBACK (calc_cross_staff, (SCM));
+ static Bezier get_curve (Grob *me);