X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fskyline.hh;h=638fd6d3f3b4c688634491a7d9ceee60e8c4b0a6;hb=1bbcb5955cad9c9067b66c88caf0b5e77ebb579a;hp=2eccdb2ef4363a14389935a19b2da5b3a0977d81;hpb=1f0bc9df2739a5271d23a897df85da27a00fefaf;p=lilypond.git

diff --git a/lily/include/skyline.hh b/lily/include/skyline.hh
index 2eccdb2ef4..638fd6d3f3 100644
--- a/lily/include/skyline.hh
+++ b/lily/include/skyline.hh
@@ -76,11 +76,22 @@ public:
   void raise (Real);
   void shift (Real);
   Real distance (Skyline const &, Real horizon_padding = 0) const;
+  Real touching_point (Skyline const &, Real horizon_padding = 0) const;
   Real height (Real airplane) const;
   Real max_height () const;
+  Real max_height_position () const;
   void set_minimum_height (Real height);
   void clear ();
   bool is_empty () const;
+
+  DECLARE_SCHEME_CALLBACK (get_touching_point, (SCM, SCM, SCM));
+  DECLARE_SCHEME_CALLBACK (get_distance, (SCM, SCM, SCM));
+  DECLARE_SCHEME_CALLBACK (get_max_height, (SCM));
+  DECLARE_SCHEME_CALLBACK (get_max_height_position, (SCM));
+  DECLARE_SCHEME_CALLBACK (get_height, (SCM, SCM));
+
+protected:
+  Real internal_distance (Skyline const &, Real horizon_padding, Real *touch_point) const;
 };
 
 extern bool debug_skylines;