rectangle.hpp

teach yourself C++ in 21 days 第五版

// Begin Rectangle.hpp
#include <iostream>
class Point     // holds x,y coordinates
{
  // no constructor, use default
  public:
    void SetX(int x) { itsX = x; }
    void SetY(int y) { itsY = y; }
    int GetX()const { return itsX;}
    int GetY()const { return itsY;}
  private:
    int itsX;
    int itsY;
};    // end of Point class declaration
  
class  Rectangle
{
  public:
    Rectangle (int top, int left, int bottom, int right);
    ~Rectangle () {}
  
    int GetTop() const { return itsTop; }
    int GetLeft() const { return itsLeft; }
    int GetBottom() const { return itsBottom; }
    int GetRight() const { return itsRight; }
  
    Point  GetUpperLeft() const { return itsUpperLeft; }
    Point  GetLowerLeft() const { return itsLowerLeft; }
    Point  GetUpperRight() const { return itsUpperRight; }
    Point  GetLowerRight() const { return itsLowerRight; }
  
    void SetUpperLeft(Point Location)  {itsUpperLeft = Location;}
    void SetLowerLeft(Point Location)  {itsLowerLeft = Location;}
    void SetUpperRight(Point Location)  {itsUpperRight = Location;}
    void SetLowerRight(Point Location)  {itsLowerRight = Location;}
  
    void SetTop(int top) { itsTop = top; }
    void SetLeft (int left) { itsLeft = left; }
    void SetBottom (int bottom) { itsBottom = bottom; }
    void SetRight (int right) { itsRight = right; }
  
    int GetArea() const;
  
  private:
    Point  itsUpperLeft;
    Point  itsUpperRight;
    Point  itsLowerLeft;
    Point  itsLowerRight;
    int    itsTop;
    int    itsLeft;
    int    itsBottom;
    int    itsRight;
};
// end Rectangle.hpp