c++ 声明一个完整的类

[c++]代码库

// Begin Rectangle.h
#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