lineSegment2D.h

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#ifndef DLR_GEOMETRY_LINESEGMENT2D_H
#define DLR_GEOMETRY_LINESEGMENT2D_H

#include <iostream>
#include <dlrNumeric/vector2D.h>

namespace dlr {

  namespace geometry {
    
    class LineSegment2D {
    public:
      
      LineSegment2D()
        : m_startPoint(0.0, 0.0), m_endPoint(1.0, 0.0) {}

    
      LineSegment2D(const Vector2D& startPoint,
                    const Vector2D& endPoint)
        : m_startPoint(startPoint), m_endPoint(endPoint) {}


      LineSegment2D(const LineSegment2D& source)
        : m_startPoint(source.m_startPoint), m_endPoint(source.m_endPoint) {}


      ~LineSegment2D() {}

      
      LineSegment2D&
      operator=(const LineSegment2D& source);


      const Vector2D&
      getEndPoint() const {return m_endPoint;}


      const Vector2D&
      getVertex0() const {return m_startPoint;}


      const Vector2D&
      getVertex1() const {return m_endPoint;}


      const Vector2D&
      getStartPoint() const {return m_startPoint;}


      LineSegment2D&
      setValue(double startPointX, double startPointY,
               double endPointX, double endPointY) {
        m_startPoint.setValue(startPointX, startPointY);
        m_endPoint.setValue(endPointX, endPointY);
        return *this;
      }

      
      LineSegment2D&
      setValue(Vector2D const& startPoint, Vector2D const& endPoint) {
        m_startPoint = startPoint; m_endPoint = endPoint; return *this;
      }

      
   private:
      // Private member functions.

      // Private data members.
      Vector2D m_startPoint;
      Vector2D m_endPoint;

    }; // class LineSegment2D


    
    /* ======= Non-member functions. ======= */

    std::istream&
    operator>>(std::istream& stream, LineSegment2D& lineSegment);
    
    
    std::ostream&
    operator<<(std::ostream& stream, const LineSegment2D& lineSegment);
    
    
  } // namespace utilities
    
} // namespace dlr


/* ======= Inline and template function definitions. ======= */

namespace dlr {

  namespace geometry {

    
  } // namespace geometry
  
} // namespace dlr


#endif /* #ifndef DLR_GEOMETRY_LINESEGMENT2D_H */