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- #ifndef RECTANGLE_H
- #define RECTANGLE_H
-
- /*$Header: /afs/alw.nih.gov/unix/sun4_40c/usr/local/src/nihcl-3.0/share/lib/RCS/Rectangle.h,v 3.0 90/05/20 00:20:59 kgorlen Rel $*/
-
- /* Rectangle.h -- declarations for class Rectangle
-
- THIS SOFTWARE FITS THE DESCRIPTION IN THE U.S. COPYRIGHT ACT OF A
- "UNITED STATES GOVERNMENT WORK". IT WAS WRITTEN AS A PART OF THE
- AUTHOR'S OFFICIAL DUTIES AS A GOVERNMENT EMPLOYEE. THIS MEANS IT
- CANNOT BE COPYRIGHTED. THIS SOFTWARE IS FREELY AVAILABLE TO THE
- PUBLIC FOR USE WITHOUT A COPYRIGHT NOTICE, AND THERE ARE NO
- RESTRICTIONS ON ITS USE, NOW OR SUBSEQUENTLY.
-
- Author:
- K. E. Gorlen
- Computer Systems Laboratory, DCRT
- National Institutes of Health
- Bethesda, MD 20892
-
- $Log: Rectangle.h,v $
- * Revision 3.0 90/05/20 00:20:59 kgorlen
- * Release for 1st edition.
- *
- */
-
- #include "Object.h"
- #include "Point.h"
- #include <math.h>
-
- class Rectangle: public VIRTUAL Object {
- DECLARE_MEMBERS(Rectangle);
- Point tl; // top left corner (origin)
- Point br; // bottom right corner (corner)
- protected: // storer() functions for object I/O
- virtual void storer(OIOofd&) const;
- virtual void storer(OIOout&) const;
- public:
- Rectangle(int left=0, int top=0, int height=0, int width=0);
- Rectangle(const Point&, const Point&);
- Rectangle(const Rectangle&);
- Point origin() const { return tl; }
- Point origin(const Point& p) { return tl = p; }
- Point corner() const { return br; }
- Point corner(const Point& p) { return br = p; }
- Point topLeft() const { return tl; }
- Point topCenter() const { return Point((br.x()+tl.x())/2,tl.y()); }
- Point topRight() const { return Point(br.x(),tl.y()); }
- Point rightCenter() const { return Point(br.x(),(br.y()+tl.y())/2); }
- Point bottomRight() const { return br; }
- Point bottomCenter() const { return Point((br.x()+tl.x())/2,br.y()); }
- Point bottomLeft() const { return Point(tl.x(),br.y()); }
- Point leftCenter() const { return Point(tl.x(),(br.y()+tl.y())/2); }
- Point center() const { return Point((br.x()+tl.x())/2,(br.y()+tl.y())/2); }
- Point extent() const { return Point(br.x()-tl.x(),br.y()-tl.y()); }
- int area() const { return (br.x()-tl.x())*(br.y()-tl.y()); }
- int width() const { return br.x()-tl.x(); }
- int height() const { return br.y()-tl.y(); }
- bool operator==(const Rectangle&) const;
- bool operator!=(const Rectangle& r) const { return !(*this==r); }
- Rectangle operator&&(const Rectangle&) const; // intersection
- Rectangle operator||(const Rectangle&) const; // union
- void operator+=(const Point&); // translate
- void operator-=(const Point&);
- bool contains(const Point&) const;
- bool contains(const Rectangle&) const;
- bool intersects(const Rectangle&) const;
- void moveTo(const Point&);
- virtual void deepenShallowCopy(); // {}
- virtual unsigned hash() const;
- virtual bool isEqual(const Object&) const; // equality test
- virtual void printOn(ostream& strm =cout) const;
- virtual const Class* species() const;
- private: // shouldNotImplement()
- virtual int compare(const Object&) const;
- };
-
- #endif
-