lily/include/box.hh

   1 /*
   2   some 2D geometrical concepts
   3 */
   4
   5 #ifndef BOXES_HH
   6 #define BOXES_HH
   7
   8 #include "interval.hh"
   9 #include "offset.hh"
  10 #include "smobs.hh"
  11
  12 class Box
  13 {
  14   Interval interval_a_[NO_AXES];
  15   DECLARE_SIMPLE_SMOBS (Box);
  16 public:
  17   Interval &x () {return interval_a_[X_AXIS]; }
  18   Interval &y (){ return interval_a_[Y_AXIS]; }
  19   Interval x () const{ return interval_a_[X_AXIS]; }
  20   Interval y () const{return interval_a_[Y_AXIS]; }
  21   Interval operator [] (Axis a) const;
  22   Interval &operator [] (Axis a);
  23
  24   Offset center () const;
  25
  26   void translate (Offset o);
  27
  28   /// smallest box enclosing #b#
  29   void set_empty ();
  30   void add_point (Offset);
  31   void widen (Real x, Real y);
  32   void scale (Real r);
  33   void unite (Box b);
  34   Box ();
  35   Box (Interval ix, Interval iy);
  36 };
  37
  38 #endif