LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
/* offsets */
void translate_axis (Real, Axis);
Real relative_coordinate (Grob const *refp, Axis) const;
/* offsets */
void translate_axis (Real, Axis);
Real relative_coordinate (Grob const *refp, Axis) const;
Real pure_relative_y_coordinate (Grob const *refp, int start, int end);
Real maybe_pure_coordinate (Grob const *refp, Axis a, bool pure, int start, int end);
/* extents */
Interval extent (Grob *refpoint, Axis) const;
void flush_extent_cache (Axis);
Real pure_relative_y_coordinate (Grob const *refp, int start, int end);
Real maybe_pure_coordinate (Grob const *refp, Axis a, bool pure, int start, int end);
/* extents */
Interval extent (Grob *refpoint, Axis) const;
void flush_extent_cache (Axis);
Interval maybe_pure_extent (Grob *refpoint, Axis, bool pure, int start, int end);
/* refpoints */
Interval maybe_pure_extent (Grob *refpoint, Axis, bool pure, int start, int end);
/* refpoints */
-/* smob utilities */
-DECLARE_UNSMOB (Grob, grob);
-Spanner *unsmob_spanner (SCM);
-Item *unsmob_item (SCM);
+template <class T>
+inline bool has_interface(Grob *g)
+{
+ return g && g->internal_has_interface (Grob_interface<T>::interface_symbol_);
+}