Just add the following table and change it to your values

class Shape {
public:// interface to users of Shapes
virtual void draw() const;
virtual void rotate(int degrees);
// …
protected:// common data (for implementers of Shapes)
Point center;
Color col;
// …
};

class Circle : public Shape {
public:
void draw() const;
void rotate(int) { }
// …
protected:
int radius;
// …
};

class Triangle : public Shape {
public:
void draw() const;
void rotate(int);
// …
protected:
Point a, b, c;
// …
};

One Response

1. Xavier Says:
   September 22nd, 2009 at 3:29 pm

   Just add the following table and change it to your values

   class Shape {
   public:// interface to users of Shapes
   virtual void draw() const;
   virtual void rotate(int degrees);
   // …
   protected:// common data (for implementers of Shapes)
   Point center;
   Color col;
   // …
   };

   class Circle : public Shape {
   public:
   void draw() const;
   void rotate(int) { }
   // …
   protected:
   int radius;
   // …
   };

   class Triangle : public Shape {
   public:
   void draw() const;
   void rotate(int);
   // …
   protected:
   Point a, b, c;
   // …
   };
   References :

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