// inherit3.cpp       		By: Aiman Hanna -  ©1993-2002 Aiman Hanna

/// This program will not work. why? Check inherit3.h

// Key Points: 	1) Access Rights. 
//               	    -   What is visible to an inherited class? What is not?

#include "inherit3.h"

// Define the base class

Geometric::Geometric( void )
{
cout << " Gm...Executing the default constructor of the base class. " << "\n";
top = left = bottom = right = 0;
}




Geometric::Geometric( int lf , int tp, int bt, int rt )
{
cout << " Gm...Executing the 'parameterized' constructor of the base class. " << "\n";

left = lf;
top = tp;
bottom = bt;
right = rt;

cout << " Gm...Left is: " << left << " , top: is " << top << " , bottom is: " 
		<< bottom << " and right is: " << right << "\n";

}



void Geometric::Draw( void )
{
cout << " Gm...Function Draw in the base class is executing." << "\n";

cout << " Gm...This function will execute for all the derived classes!"
     << " unless it is redefined!! "  << "\n";
}



void Geometric::Erase( void )
{
cout << " Gm...Function Erase in the base class is executing." << "\n";

cout << " Gm...This function will execute for all the derived classes!"
     << " unless it is redefined!! "  << "\n";

}



void Geometric::Move( void )
{
cout << " Gm...Function Erase in the base class is executing." << "\n";

cout << " Gm...This function will execute for all the derived classes!"
     << " unless it is redefined!! "  << "\n";

}










// define the TwoDimension class

TwoDimension::TwoDimension( void ) 
{
 cout << " TD...Executing the default constructor of the TwoDimension class. " << "\n";

 fillpattern = 0;
}



TwoDimension::TwoDimension( int lf, int tp, int bt, int rt, int fill  ):
                                                        Geometric( lf, tp, bt, rt )
{
  cout << " TD...Executing the 'parameterized' constructor of the"
       << " TwoDimension class. " << "\n";

  fillpattern = fill;

  cout << " TD...Left is: " << left << " , top: is " << top << " , bottom is: "
                << bottom << " and right is: " << right << "\n";
}




void TwoDimension::Draw( void )
{
cout << " TD...Function Draw in the TwoDimension class is executing." << "\n";

cout << " TD...This function redefines the function Draw in the base class" 
								<< "\n";
}




// define the Rectangle class

Rectangle::Rectangle( void )
{
cout << " Rec...Executing the default constructor of the Rectangle class. " << "\n";
boardershape =  bolddashed;

}



Rectangle::Rectangle( int lf , int tp, int bt, int rt, int fill ):
                                        TwoDimension( lf, tp, bt, rt, fill )
{
 cout << " Rec...Executing the 'parameterized' constructor of the"
       <<       " Rectangle class. " << "\n";

 boardershape =  bolddashed;

 cout << " Rec...Left is: " << left << " , top: is "
      << top << " , bottom is: "
      << bottom << " and right is: " << right << "\n";

}



void Rectangle::SetBoarderShape( boarder brd )
{
 boardershape = brd;
}





int main( void )
{

Geometric Gm( 2, 5, 8, 10 );

cout << " Gm...Now the draw function of the Geometric class will start. " 
								<< "\n";
Gm.Draw( );
cout << "*************************************************\n\n";

TwoDimension TD( 4, 7, 9, 12, 1 );

cout << " TD...Now the draw function of the TwoDimension class will start. " << "\n";

TD.Draw( );
TD.Erase( );
cout << "*************************************************\n\n";

Rectangle Rec( 5, 11, 16, 20, 2 );

cout << " Rec...Now the draw function of the Rectangle class will start. " << "\n";

Rec.Draw( );
Rec.Move( );
cout << "*************************************************\n\n";

return 0;
}




/// The result of compliling the program:

/* On VC++, the errors would like like:
Compiling...
inherit3.cpp
inherit3.cpp(95) : error C2248: 'left' : cannot access private member declared in class 'Geometric'
\inherit3.h(19) : see declaration of 'left'
inherit3.cpp(95) : error C2248: 'top' : cannot access private member declared in class 'Geometric'
inherit3.h(19) : see declaration of 'top'
inherit3.cpp(96) : error C2248: 'bottom' : cannot access private member declared in class 'Geometric'
inherit3.h(19) : see declaration of 'bottom'
inherit3.cpp(96) : error C2248: 'right' : cannot access private member declared in class 'Geometric'
inherit3.h(19) : see declaration of 'right'
inherit3.cpp(132) : error C2248: 'left' : cannot access private member declared in class 'Geometric'
inherit3.h(19) : see declaration of 'left'
inherit3.cpp(133) : error C2248: 'top' : cannot access private member declared in class 'Geometric'
inherit3.h(19) : see declaration of 'top'
inherit3.cpp(134) : error C2248: 'bottom' : cannot access private member declared in class 'Geometric'
inherit3.h(19) : see declaration of 'bottom'
inherit3.cpp(134) : error C2248: 'right' : cannot access private member declared in class 'Geometric'
inherit3.h(19) : see declaration of 'right'

/*
/* On Unix, the errors would be similar. They would look like:
CC: "inherit3.cpp", line 88: error: TwoDimension::TwoDimension() cannot access Geometric::left: private member (1299)
CC: "inherit3.cpp", line 88: error: TwoDimension::TwoDimension() cannot access Geometric::top: private member (1299)
CC: "inherit3.cpp", line 88: error: TwoDimension::TwoDimension() cannot access Geometric::bottom: private member (1299)
CC: "inherit3.cpp", line 88: error: TwoDimension::TwoDimension() cannot access Geometric::right: private member (1299)
CC: "inherit3.cpp", line 128: error: Rectangle::Rectangle() cannot access Geometric::left: private member (1299)
CC: "inherit3.cpp", line 128: error: Rectangle::Rectangle() cannot access Geometric::top: private member (1299)
CC: "inherit3.cpp", line 128: error: Rectangle::Rectangle() cannot access Geometric::bottom: private member (1299)
CC: "inherit3.cpp", line 128: error: Rectangle::Rectangle() cannot access Geometric::right: private member (1299)

*/