/*
- some 2D geometrical concepts
+ some 2D geometrical concepts
*/
#ifndef BOXES_HH
#define BOXES_HH
-#include "fproto.hh"
-#include "real.hh"
#include "interval.hh"
#include "offset.hh"
-#include "axes.hh"
+#include "smobs.hh"
-
-struct Box {
+class Box
+{
Interval interval_a_[NO_AXES];
-
- Interval &x() {return interval_a_[X_AXIS]; }
- Interval &y(){ return interval_a_[Y_AXIS]; }
- Interval x() const{ return interval_a_[X_AXIS]; }
- Interval y() const{return interval_a_[Y_AXIS]; }
- Interval operator[](Axis a) const;
- Interval &operator[] (Axis a);
-
+ DECLARE_SIMPLE_SMOBS (Box);
+public:
+ Interval &x () {return interval_a_[X_AXIS]; }
+ Interval &y () { return interval_a_[Y_AXIS]; }
+ Interval x () const { return interval_a_[X_AXIS]; }
+ 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;
+
void translate (Offset o);
+
/// smallest box enclosing #b#
+ void set_empty ();
+ void add_point (Offset);
+ void widen (Real x, Real y);
+ void scale (Real r);
void unite (Box b);
- Box();
+ void intersect (Box b);
+ void print ();
+ Box ();
Box (Interval ix, Interval iy);
};