ossimLine.h

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//*******************************************************************
// Copyright (C) 2000 ImageLinks Inc.
//
// License:  See top level LICENSE.txt file.
//
// Author:  Garrett Potts
//*******************************************************************
//  $Id: ossimLine.h 23353 2015-06-01 19:19:10Z dburken $
#ifndef ossimLine_HEADER
#define ossimLine_HEADER
#include <ossim/base/ossimDpt.h>
#include <iosfwd>

class OSSIM_DLL ossimLine
{
public:
   friend OSSIM_DLL std::ostream& operator <<(std::ostream& out,
                                              const ossimLine& rhs);
   ossimLine(const ossimDpt& p1=ossimDpt(0,0),
             const ossimDpt& p2=ossimDpt(0,0))
      :theP1(p1),
       theP2(p2)
      {
      }

   
   ossimDpt getVector()const
      {
         return (theP2-theP1);
      }

   ossimDpt intersectInfinite(const ossimLine& line)const;

   ossimDpt intersectSegment(const ossimLine& line)const;

   ossimDpt midPoint()const;
   double length()const;
   ossimDpt normal()const;
   bool isPointWithin(const ossimDpt& point, double delta=FLT_EPSILON)const;

   bool isPointOnInfiniteLine(const ossimDpt& point, double delta=FLT_EPSILON)const;

   ossimDpt   theP1;
   ossimDpt   theP2;
};

#endif