LineSegment.cpp

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#include "LineSegment.h"
 
namespace GeoLib
{
LineSegment::LineSegment(Point* const a, Point* const b,
                         bool point_mem_management_by_line_segment)
    : _a(a),
      _b(b),
      _point_mem_management_by_line_segment(
          point_mem_management_by_line_segment)
{
}
 
LineSegment::LineSegment(LineSegment const& line_segment)
    : _a(new Point(line_segment.getBeginPoint())),
      _b(new Point(line_segment.getEndPoint())),
      _point_mem_management_by_line_segment(true)
{
}
 
LineSegment::LineSegment(LineSegment&& line_segment)
    : _a(line_segment._a),
      _b(line_segment._b),
      _point_mem_management_by_line_segment(
          line_segment._point_mem_management_by_line_segment)
{
    line_segment._a = nullptr;
    line_segment._b = nullptr;
    line_segment._point_mem_management_by_line_segment = false;
}
 
LineSegment::~LineSegment()
{
    if (_point_mem_management_by_line_segment)
    {
        delete _b;
        delete _a;
    }
}
 
LineSegment& LineSegment::operator=(LineSegment const&) = default;
 
LineSegment& LineSegment::operator=(LineSegment&& line_segment)
{
    _a = line_segment._a;
    _b = line_segment._b;
    _point_mem_management_by_line_segment =
        line_segment._point_mem_management_by_line_segment;
 
    line_segment._a = nullptr;
    line_segment._b = nullptr;
    line_segment._point_mem_management_by_line_segment = false;
 
    return *this;
}
 
Point const& LineSegment::getBeginPoint() const
{
    return *_a;
}
 
Point& LineSegment::getBeginPoint()
{
    return *_a;
}
 
Point const& LineSegment::getEndPoint() const
{
    return *_b;
}
 
Point& LineSegment::getEndPoint()
{
    return *_b;
}
 
std::ostream& operator<<(std::ostream& os, LineSegment const& s)
{
    os << "{(" << s.getBeginPoint() << "), (" << s.getEndPoint() << ")}";
    return os;
}
 
std::ostream& operator<<(std::ostream& os,
                         std::pair<GeoLib::LineSegment const&,
                                   GeoLib::LineSegment const&> const& seg_pair)
{
    os << seg_pair.first << " x " << seg_pair.second;
    return os;
}
 
bool operator==(LineSegment const& s0, LineSegment const& s1)
{
    double const tol(std::numeric_limits<double>::epsilon());
    return (MathLib::sqrDist(s0.getBeginPoint(), s1.getBeginPoint()) < tol &&
            MathLib::sqrDist(s0.getEndPoint(), s1.getEndPoint()) < tol) ||
           (MathLib::sqrDist(s0.getBeginPoint(), s1.getEndPoint()) < tol &&
            MathLib::sqrDist(s0.getEndPoint(), s1.getBeginPoint()) < tol);
}
}  // namespace GeoLib