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v33b.cpp
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v33b.cpp
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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* File: v33b.cpp
* Author: SerG1oAC
*
* Created on February 21, 2016, 6:49 PM
*/
#include <cstdlib>
#include <iostream>
using namespace std;
class Forma
{
public:
Forma(){}
~Forma(){}
virtual long obtenerArea(){return -1;}
virtual long obtenerPeirm(){return -1;}
virtual void dibujar(){}
};
class Circulo:public Forma
{
public:
Circulo(int newRadio):radio(newRadio){}
~Circulo(){}
long obtenerArea(){return 3*radio*radio;}
long obtenerPeirm(){return 9*radio;}
void dibujar();
private:
int radio;
int circunferencia;
};
void Circulo::dibujar()
{
cout << "Dibujar Circulo\n";
}
class Rectangulo: public Forma
{
public:
Rectangulo(int newLar, int newAncho):largo(newLar),ancho(newAncho){}
virtual ~Rectangulo(){}
virtual long obtenerArea(){return largo*ancho;}
virtual long obtenerPeirm(){return 2*largo + 2*ancho;}
virtual int obtenerLargo(){return largo;}
virtual int obtenerAncho(){return ancho;}
virtual void dibujar();
private :
int ancho;
int largo;
};
void Rectangulo::dibujar()
{
for(int i = 0 ;i < largo;i++)
{
for(int j = 0;j < ancho; j++)
{
cout << "x ";
}
cout << "\n";
}
}
class Cuadrado:public Rectangulo
{
public:
Cuadrado(int lar);
Cuadrado(int lar, int ancho);
~Cuadrado(){}
long obtenerPeirm(){return 4*obtenerLargo();}
};
Cuadrado::Cuadrado(int newLar):Rectangulo(newLar, newLar)
{
}
Cuadrado::Cuadrado(int newLar, int newAncho):Rectangulo(newLar, newAncho)
{
if(obtenerLargo() != obtenerAncho())
{
cout << "Error, no un cuadrado...un rectangilo??\n";
}
}
/*
*
*/
int main(int argc, char** argv) {
int elegir;
bool exit = 1;
Forma * frm;
while(exit)
{
cout << "(1) Circulo (2) Rectangulo (3) Cuadrado\n";
cin >> elegir;
switch(elegir)
{
case 1:
{
frm = new Circulo(2);
}
break;
case 2:
{
frm = new Rectangulo(5,3);
}
break;
case 3:
{
frm = new Cuadrado(7);
}
break;
case 0:
{
exit = 0;
}
}
frm->dibujar();
delete frm;
}
return 0;
}