C-All-Concept-Programs/Circle_Calculation(Template).cpp.cpp at master · ankur016/C-All-Concept-Programs · GitHub

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#include <iostream>
#include <string>
#include<math.h>
using namespace std;

#define M_PI 3.14

enum eColor { none = 0, red, white, blue, yellow, green, black };

class Color
{
public:
    Color(eColor color);
    void setColor(eColor color);
    eColor getColor() { return mColor; };
    std::string getStrColor();

protected:
    eColor mColor;
};

Color::Color(eColor _color)
{
   mColor = _color;
}

void Color::setColor(eColor _color)
{
    mColor = _color;
}

std::string Color::getStrColor()
{
    switch(mColor)
    {
       case red:
           return "red";
       case white:
           return "white";
       case blue:
           return "blue";
       case yellow:
           return "yellow";
       case green:
           return "green";
       case black:
           return "black";
       case none:
       default:
           return "none";
    }
}


template <typename T>
class Circle : public Color
{
public:
    Circle(T centerX, T centerY, T radius, eColor color);
    Circle(T centerX, T centerY, T radius);
    Circle(T radius);
    Circle();

    T area();
    T circumference();
    T getX();
    T getY();
    T getRadius();

protected:
    T x;
    T y;
    T radius;
};

template <typename T>
Circle<T>::Circle(T _x, T _y, T _radius, eColor _color)
: Color(_color)
{
    x = _x;
    y = _y;
    radius = _radius;
}

template <typename T>
Circle<T>::Circle(T _x, T _y, T _radius)
: Color(none)
{
    x = _x;
    y = _y;
    radius = _radius;
}

template <typename T>
Circle<T>::Circle(T _radius)
: Color(none)
{
    x = static_cast<T>(0);
    y = static_cast<T>(0);
    radius = _radius;
}

template <typename T>
Circle<T>::Circle()
: Color(none)
{
    x = static_cast<T>(0);
    y = static_cast<T>(0);
    radius = static_cast<T>(1);
}

template <typename T>
T Circle<T>::area()
{
    return M_PI * radius * radius;
}

template <typename T>
T Circle<T>::circumference()
{
    return static_cast<T>(2) * M_PI * radius;
}


int main(int argc, char* argv[])
{
    Circle<float> circleA(0.0, 0.0, 10.0, white);
    cout << "\nArea of Circle A :: "  << circleA.area() << endl;
    cout << "\nColor of Circle A :: " << circleA.getStrColor() << endl;
return 0;
}