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| #ifndef FIGURE_H
#define FIGURE_H
class Figure{
public:
virtual double Square() = 0;
virtual double Perimetr() = 0;
virtual void Draw() = 0;
virtual void Shaw() = 0;
};
#endif
------------------------------
#ifndef POINT_H
#define POINT_H
#include "Figure.h"
class Circle;
class Line;
class Rectangle;
class Traengle;
class Point: public Figure{
protected:
double x;
double y;
public:
Point();
Point(double x, double y);
friend Circle; // Дружественный класс
friend Line; // Дружественный класс
friend Rectangle; // Дружественный класс
friend Traengle; // Дружественный класс
virtual double Square();
virtual double Perimetr();
virtual void Draw();
virtual void Shaw();
};
#endif
----------------------------
#ifndef CIRCLE_H
#define CIRCLE_H
#include "Figure.h"
#include "Point.h"
class Circle : public Point {
private:
float r;
Point A;
public:
Circle();
Circle(Point A, float r);
virtual double Square();
virtual double Perimetr();
virtual void Draw();
virtual void Shaw();
};
#endif
--------------------------------------
#include <iostream>
#include <locale.h>
#include "Figure.h"
#include "Point.h"
using namespace std;
double Point::Square(){
return 0 ;
}
double Point:: Perimetr(){
return 0;
}
void Point:: Draw(){
setlocale(LC_CTYPE,"russian");
cout<<" Координата точки "<< endl;
cout<< x <<" ; "<< y << endl;
cout << endl;
}
void Point:: Shaw(){
setlocale(LC_CTYPE,"russian");
cout<<" Координата точки "<< endl;
cout<< x <<" ; "<< y << endl;
cout<<"------------------------"<<endl;
}
Point:: Point(double x,double y){
this->x = x;
this->y = y;
}
------------------------------------------
#include <iostream>
#include <locale.h>
#include "Figure.h"
#include "Circle.h"
#include "Point.h"
#define pi 3.1415926535
using namespace std;
double Circle::Perimetr(){
double result;
result = 2*pi*r;
return result;
}
double Circle::Square(){
double result;
result = pi*r*r;
return result;
}
void Circle::Draw(){
setlocale(LC_CTYPE,"russian");
cout<<" Координата центра и радиус круга "<< endl;
cout << A.x <<" : "<< A.y << endl;
cout <<" Радиус = "<< r << endl;
cout<<endl;
}
void Circle::Shaw(){
setlocale(LC_CTYPE,"russian");
cout<<" Длина круга "<<endl;
cout<< Perimetr()<< endl;
cout<<" Площадь круга "<<endl;
cout<< Square()<< endl;
cout<<"------------------------"<<endl;
}
Circle::Circle(Point A, float r){
this->A = A;
this->r = r;
}
--------------------------------------------
#include <iostream>
#include "Figure.h"
#include "Circle.h"
#include "Line.h"
#include "Point.h"
#include "Rectangle.h"
#include "Traengle.h"
#include <conio.h>
#include <locale.h>
using namespace std;
void main(){
setlocale(LC_CTYPE,"russian");
Point A(1,1), B(1,4), C(4,4), D(4,1);
Figure* figures[5] = {
new Circle(A,2),
new Point(1,1),
new Line(A,B),
new Traengle(A,B,C),
new Rectangle(A,B,C,D)
}; //список фигур
for (int i = 0; i < 5; i++){
figures[i]->Draw();
figures[i]->Shaw();
}
} |
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