virtual ValueBase operator()(Time t)const;
+ //! Returns the modified Link to match the target value at time t
+ ValueBase get_inverse(Time t, const synfig::Vector &target_value) const;
+ ValueBase get_inverse(Time t, const synfig::Angle &target_value) const;
+
+ bool is_invertible(Time t)const;
+
virtual String get_name()const;
virtual String get_local_name()const;