// ==========================================================================
// $Id: aa_box.cpp,v 1.6 2017/09/23 00:53:23 jlang Exp $
// CSI2372 example Code for lecture 4
// ==========================================================================
// (C)opyright:
//
//   Jochen Lang
//   EECS, University of Ottawa
//   800 King Edward Ave.
//   Ottawa, On., K1N 6N5
//   Canada. 
//   http://www.eecs.uottawa.ca
// 
// Creator: jlang (Jochen Lang)
// Email:   jlang@eecs.uottawa.ca
// ==========================================================================
// $Log: aa_box.cpp,v $
// Revision 1.6  2017/09/23 00:53:23  jlang
// Introduced references and const again for this version
//
// Revision 1.5  2017/09/13 16:21:05  jlang
// Removed arrays, references and use of const.
//
// Revision 1.4  2014/09/16 22:05:53  jlang
// Added some brace initialization.
//
// Revision 1.3  2013/09/30 19:44:44  jlang
// Added default parameter for the number of points.
//
// Revision 1.2  2011/10/03 15:29:33  jlang
// Updates for lecture 3-5
//
// Revision 1.1  2011/09/27 17:22:20  jlang
// Added bounding shape example
//
//
// ==========================================================================
#include <iostream>
#include <limits>

#include "aa_box.h"

  
AABox::AABox( const Point2D& _lowerLeft, const Point2D& _upperRight ) :
  d_lowerLeft(_lowerLeft), d_upperRight(_upperRight)
{}
  
bool AABox::enclose( std::array<Point2D,4> extrema ) {
  Point2D lowerLeft{std::numeric_limits<double>::max(),
  					std::numeric_limits<double>::max()};
  Point2D upperRight{std::numeric_limits<double>::min(),
  					  std::numeric_limits<double>::min()};
  for ( auto pt:extrema ) {
    lowerLeft = pt.min( lowerLeft );
    upperRight = pt.max( upperRight );
  }
  if ( lowerLeft.isSmaller( upperRight )) {
    d_lowerLeft = lowerLeft;
    d_upperRight = upperRight;
    return true;
  } 
  return false;
}

void AABox::print() const {
  std::cout << "Box from: ";
  d_lowerLeft.print(); 
  std::cout << " to ";
  d_upperRight.print();
  return;
}