// Bob Myers
// driver.cpp -- driver program to demonstrate the behavior of
// 	  	 the Hourglass class

#include <iostream>
#include "hourglass.h"

using namespace std;

int main() 
{
  // create some Hourglasss
  Hourglass h1( -5 ), h2( 7, '^' ), h3( 12, 'X', 'O' ), h4( 50 , '$' , 'o');
  // display original Hourglasss
  cout << "h1 has size = " << h1.GetSize() << " units.\n";
  h1.Draw();
  cout << "h1 area = " << h1.Area() << endl;
  cout << "\nh2 has size = " << h2.GetSize() << " units.\n";
  h2.Draw();
  cout << "\nh3 has size = " << h3.GetSize() << " units.\n";
  h3.Draw();
  cout << "\nh4 has size = " << h4.GetSize() << " units.\n";
  h4.Draw();
  cout << '\n';

  h1.Shrink(); // demonstrate shrink
  h2.Shrink();
  h3.Grow(); // and grow
  h4.Grow();
  cout << "h1 now has size = " << h1.GetSize() << " units.\n";
  cout << "h2 now has size = " << h2.GetSize() << " units.\n";
  cout << "h3 now has size = " << h3.GetSize() << " units.\n";
  cout << "h4 now has size = " << h4.GetSize() << " units.\n";

  // demonstrate perimeter
  cout << "h2 has perimeter = " << h2.Perimeter() << " units.\n"; 
  cout << "h3 has perimeter = " << h3.Perimeter() << " units.\n"; 
  // and area
  cout << "h2 has area = " << h2.Area() << " square units.\n\n"; 
  cout << "h3 has area = " << h3.Area() << " square units.\n\n"; 

  h1.Draw();
  h1.Grow();               // show that fill character
  cout << "h1 grows:\n";   // appears only when size
  h1.Draw();               // is at least 3
  h1.Grow();
  cout << "... and grows:\n";
  h1.Draw();
  cout << '\n';

  h1 = h2; // demonstrate the default overload of the
  // assignment operator
  cout << "h1 now has size = " << h1.GetSize() << " units.\n";
  h1.Draw(); 

  // demonstrate the changing of border and fill characters
  h2.SetBorder('@');
  h2.SetFill('-');
  cout << "h2 now looks like:\n";
  h2.Draw();
  cout << '\n';
  h2.SetBorder('\n');	 // illegal border
  h2.SetFill('\a');	 // illegal fill
  cout << "h2 now looks like:\n";
  h2.Draw();
  cout << '\n';

  cout << "\nHere is a summary on h3:\n"; // demonstrate summary
  h3.Summary();

  return 0;
}