MAth-Cloud-3.0.0/www.ipsocloud.com/intimamedia.com/cpp/MAth-Plaque-Dll-1.0.0/LibPlaque/Object/rectangle.cpp

#include "rectangle.h"


Rect::Rect( int x1, int y1, int x2, int y2 )
{

  if ( x1 < x2 )
  {
  
    left = x1;
    right = x2;
  
  }
  else
  {
  
    left = x2;
    right = x1;
  
  }

  if ( y1 < y2 )
  {
  
    top = y1;
    bottom = y2;
  
  }
  else
  {
  
    top = y2;
    bottom = y1;
  
  }

}


Rect::Rect( const Point& p1, const Point& p2 )
{

  if ( p1.x < p2.x )
  {
  
    left = p1.x;
    right = p2.x;
  
  }
  else
  {
  
    left = p2.x;
    right = p1.x;
  
  }

  if ( p1.y < p2.y )
  {
  
    top = p1.y;
    bottom = p2.y;
  
  }
  else
  {
  
    top = p2.y;
    bottom = p1.y;
  
  }

}


Rect::Rect( const Rect& other )
     : left( other.left ),
       top( other.top ),
       right( other.right ),
       bottom( other.bottom )
{
}


Rect::~Rect()
{
}


Point Rect::TopLeft()
{

  Point p( left, top );
  
  return p;

}


Point Rect::BottomRight()
{

  Point p( right, bottom );
  
  return p;

}


Point Rect::CenterPoint()
{

  Point p( ( right - left ) / 2, ( bottom - top ) / 2 );

  return p;

}


int Rect::Width()
{

  return right - left + 1;

}


int Rect::Height()
{

  return bottom - top + 1;

}

void Rect::SetRectEmpty()
{
	left = 0;
	right = 0;
	top = 0;
	bottom = 0;
}

bool Rect::IsRectNull()
{
	return ((left == 0) && (right == 0) && (top == 0) && (bottom == 0));
}