X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fbox.hh;h=d4a8655a429b0cf965364132871cf2b7f9c3b054;hb=2bbacb364aa29041af9cbbbd32cfad2e8e387cb3;hp=f08dea2ca294f92a0783a8931dc8d3554e731f42;hpb=4bb29573149a0ffa1f881c5e38a0fe68e9e76b67;p=lilypond.git

diff --git a/lily/include/box.hh b/lily/include/box.hh
index f08dea2ca2..d4a8655a42 100644
--- a/lily/include/box.hh
+++ b/lily/include/box.hh
@@ -9,10 +9,12 @@
 #include "offset.hh"
 #include "smobs.hh"
 
-class Box
+class Box : public Simple_smob<Box>
 {
+public:
+  static const char * const type_p_name_;
+private:
   Interval interval_a_[NO_AXES];
-  DECLARE_SIMPLE_SMOBS (Box);
 public:
   Interval &x () {return interval_a_[X_AXIS]; }
   Interval &y () { return interval_a_[Y_AXIS]; }
@@ -20,6 +22,9 @@ public:
   Interval y () const {return interval_a_[Y_AXIS]; }
   Interval operator [] (Axis a) const;
   Interval &operator [] (Axis a);
+  Real area () const;
+  bool is_empty () const;
+  bool is_empty (Axis a) const;
 
   Offset center () const;
 
@@ -31,8 +36,11 @@ public:
   void widen (Real x, Real y);
   void scale (Real r);
   void unite (Box b);
+  void intersect (Box b);
+  void print ();
   Box ();
   Box (Interval ix, Interval iy);
 };
 
+
 #endif