Doc-es: various updates.

[lilypond.git] / lily / include / grob.hh

diff --git a/lily/include/grob.hh b/lily/include/grob.hh
index f5c6ac96e5467d338bfc6c393d12539c30791dbf..5da4dff74ec6107c242754e6c60b2eddefa90848 100644 (file)
--- a/lily/include/grob.hh
+++ b/lily/include/grob.hh
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1996--2014 Han-Wen Nienhuys
+  Copyright (C) 1996--2015 Han-Wen Nienhuys
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -30,9 +30,9 @@
 class Grob : public Smob<Grob>
 {
 public:
-  int print_smob (SCM, scm_print_state *);
-  SCM mark_smob ();
-  static const char type_p_name_[];
+  int print_smob (SCM, scm_print_state *) const;
+  SCM mark_smob () const;
+  static const char * const type_p_name_;
   virtual ~Grob ();
 private:
   DECLARE_CLASSNAME (Grob);
@@ -137,18 +137,18 @@ public:
 
   /* interfaces */
   bool internal_has_interface (SCM intf);
-  DECLARE_GROB_INTERFACE ();
 
   /* offsets */
   void translate_axis (Real, Axis);
   Real relative_coordinate (Grob const *refp, Axis) const;
+  Real parent_relative (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);
-  virtual Interval pure_height (Grob *refpoint, int start_col, int end_col);
+  virtual Interval pure_y_extent (Grob *refpoint, int start, int end);
   Interval maybe_pure_extent (Grob *refpoint, Axis, bool pure, int start, int end);
 
   /* refpoints */
@@ -175,6 +175,12 @@ public:
   static SCM internal_skylines_from_element_stencils (SCM, Axis);
 };
 
+template <class T>
+inline bool has_interface(Grob *g)
+{
+  return g && g->internal_has_interface (Grob_interface<T>::interface_symbol_);
+}
+
 /* unification */
 void uniquify (vector <Grob *> &);