Refactor pure-height calculations.

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

diff --git a/lily/include/grob.hh b/lily/include/grob.hh
index 3d211964a49a7fae830e0bef1c57d0b4a3e5ad73..96134a05d5eafe42ab3c5135669237df64409cfb 100644 (file)
--- a/lily/include/grob.hh
+++ b/lily/include/grob.hh
@@ -141,7 +141,9 @@ public:
   void fixup_refpoint ();
 
   virtual Interval_t<int> spanned_rank_interval () const;
+  virtual bool pure_is_visible (int start, int end) const;
   bool check_cross_staff (Grob *common);
+  static bool less (Grob *g1, Grob *g2);
 };
 
 /* smob utilities */