X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fskyline.hh;h=5dadbacaf736f6503cf7e444c4bc448324556ad1;hb=95e5705d0697eac20246352d416f14b6d92485f5;hp=464bd580049ffc0816aed599a2b3595f2a918a99;hpb=8dfabc02615ad25d5450cb5f42e194ce50a7be18;p=lilypond.git

diff --git a/lily/include/skyline.hh b/lily/include/skyline.hh
index 464bd58004..5dadbacaf7 100644
--- a/lily/include/skyline.hh
+++ b/lily/include/skyline.hh
@@ -3,14 +3,13 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2006 Joe Neeman <joeneeman@gmail.com>
+  (c) 2006--2007 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"
@@ -18,23 +17,24 @@
 #include "std-vector.hh"
 #include "smobs.hh"
 
+#include <list>
+
 struct Building
 {
-  Interval iv_;
-  Drul_array<Real> height_;
-
+  Real end_;
   Real y_intercept_;
   Real slope_;
 
-  void precompute ();
+  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;
+  Real intersection_x (Building const &other) const;
   void leading_part (Real chop);
-  bool conceals_beginning (Building const &other) const;
-  bool conceals (Building const &other) const;
+  bool conceals (Building const &other, Real x) const;
+  Building sloped_neighbour (Real start, Real horizon_padding, Direction d) const;
 };
 
 class Skyline
@@ -45,25 +45,48 @@ private:
   
   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<Offset> const &points, Direction sky);
-  vector<Offset> to_points () const;
+  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);
+  bool is_empty () const;
+};
+
+class Skyline_pair
+{
+private:
+  Drul_array<Skyline> skylines_;
+
+  DECLARE_SIMPLE_SMOBS(Skyline_pair);
+public:
+  Skyline_pair ();
+  Skyline_pair (vector<Box> const &boxes, Real horizon_padding, Axis a);
+  Skyline_pair (Box const &, Real horizon_padding, Axis a);
+  void raise (Real);
+  void shift (Real);
+  void insert (Box const &, Real horizon_padding, Axis);
+  void merge (Skyline_pair const &other);
+  Skyline &operator [] (Direction d);
+  Skyline const &operator [] (Direction d) const;
+  bool is_empty () const;
 };
 
 #endif /* SKYLINE_HH */