//The base class


class Image 
	{
		public:
			int x, y, bpp;
			unsigned char* data;
			bool fubar;
		
			Image();
			//Image( const char* path );

			Image( const Image& I );

			~Image();
			virtual void load( const char *path );

			bool bad() const;
			
			friend ostream& operator<<( ostream& out, const Image& I );
			friend istream& operator>>( istream& in, Image& I );
	};
[\source]

  

  class Image 	{		    public:        int x, y, bpp;				unsigned char* data;	bool fubar;	Image() {}			//Image( const char* path );	Image( const Image& I ) {}       ~Image() {}	   	virtual void load( const char *path ) {}	bool bad() const {}			Image& operator<<( const char* file ) { return *this; }	Image& operator>>( const char* file ) { return *this; }};  

  class Base{public:  virtual ostream& print( ostream& o );  virtual istream& read(  istream& i );};//define extrator only for base classostream& operator<<(ostream& os, Base& b){     return b.print(os);}istream& operator>>(istream& in, Base& b ){   return b.read(in);}class Derive:public Base{public: virtual ostream& print( ostream& ); //redefine as will virtual istream& read( istream& ); //redefine as will};