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/*
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"
struct 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);
void translate (Offset o);
/// smallest box enclosing #b#
void set_empty ();
void unite (Box b);
Box();
Box (Interval ix, Interval iy);
};
#endif
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