X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fskyline.hh;h=b84a5de953bcdafe0b9fb7c0c6500717ec901faa;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=c8440c7f9409dfa88ccc758cdbe49713b04763f4;hpb=b32ddd61386b517f10fbb6040e040b6303e7c0ce;p=lilypond.git

diff --git a/lily/include/skyline.hh b/lily/include/skyline.hh
index c8440c7f94..b84a5de953 100644
--- a/lily/include/skyline.hh
+++ b/lily/include/skyline.hh
@@ -3,34 +3,38 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2006 Joe Neeman <joeneeman@gmail.com>
+  (c) 2006--2008 Joe Neeman <joeneeman@gmail.com>
 */
 
 #ifndef SKYLINE_HH
 #define SKYLINE_HH
 
-#include <list>
+#include "lily-proto.hh"
 #include "axis.hh"
 #include "box.hh"
 #include "interval.hh"
 #include "direction.hh"
 #include "std-vector.hh"
-#include "stencil.hh"
+#include "smobs.hh"
+
+#include <list>
 
 struct Building
 {
-  Interval iv_;
-  Real start_height_;
-  Real end_height_;
-  Real m_;
-  Real b_;
+  Real end_;
+  Real y_intercept_;
+  Real slope_;
 
-  Building (Real start, Real start_height, Real end_height, Real end, Real max_slope);
+  void precompute (Real start, Real start_height, Real end_height, Real end);
+  Building (Real start, Real start_height, Real end_height, Real end);
+  Building (Box const &b, Real horizon_padding, Axis a, Direction d);
+  void print () const;
 
   Real height (Real x) const;
-  Real intersection (Building const &other) const;
-  void leading_part (Real chop, Real h);
-  bool obstructs (Building const &other) const;
+  Real intersection_x (Building const &other) const;
+  void leading_part (Real chop);
+  bool conceals (Building const &other, Real x) const;
+  Building sloped_neighbour (Real start, Real horizon_padding, Direction d) const;
 };
 
 class Skyline
@@ -38,27 +42,35 @@ class Skyline
 private:
   list<Building> buildings_;
   Direction sky_;
-  Real max_slope_;
+  
   void internal_merge_skyline (list<Building>*, list<Building>*,
 			       list<Building> *const result);
-  void internal_build_skyline (list<Building>*,
-			       list<Building> *const result);
-  bool is_legal_skyline () const;
+  list<Building> internal_build_skyline (list<Box>*, Real, Axis, Direction);
+
+  DECLARE_SIMPLE_SMOBS(Skyline);
 
 public:
   Skyline ();
+  Skyline (Skyline const &src);
   Skyline (Direction sky);
-  Skyline (vector<Box> const &bldgs, Axis a, Direction sky);
-
+  Skyline (vector<Box> const &bldgs, Real horizon_padding, Axis a, Direction sky);
+  Skyline (Box const &b, Real horizon_padding, Axis a, Direction sky);
+  
+  vector<Offset> to_points (Axis) const;
   void merge (Skyline const &);
-  void insert (Box const &, Axis);
+  void insert (Box const &, Real horizon_padding, Axis);
+  void print () const;
+  void print_points () const;
   void raise (Real);
+  void shift (Real);
   Real distance (Skyline const &) const;
   Real height (Real airplane) const;
   Real max_height () const;
   void set_minimum_height (Real height);
-  Stencil stencil ();
+  bool is_empty () const;
 };
 
+extern bool debug_skylines;
+
 #endif /* SKYLINE_HH */