#include <iostream>
using namespace std;
 
struct POINT
{
    int x,y;
};
 
// 도형
class CShape
{
public:
    virtual void GetShapeInfo(POINT& ptTopLeft, POINT& ptBottomRight) {}
};
 
// 사각형 보기
class CRectView
{
public:
    void GetOrigin(int x, int y)
    {
        cout << x << " " << y << endl;
    }
    void GetSize(int nWidth, int nHeight)
    {
        cout << nWidth << " " << nHeight << endl;
    }
};
 
// 사각형
class CRectangle : public CShape, public CRectView
{
public:
    virtual void GetShapeInfo(POINT& ptTopLeft, POINT& ptBottomRight)
    {
        GetOrigin(ptTopLeft.x, ptTopLeft.y);
        GetSize(ptBottomRight.x - ptTopLeft.x, ptBottomRight.y - ptTopLeft.y);
    }
};
 
int main(void)
{
    CShape* rect = new CRectangle;
 
    POINT pt1 = {3, 4};
    POINT pt2 = {7, 8};
 
    rect->GetShapeInfo(pt1, pt2);
 
    delete rect;
 
    return 0;
}