Method IsNull

libs/geometry/spline.cpp:243–246

SharedSpline::SharedSpline(std::vector<PointD> && path) : m_spline(std::make_shared<Spline>(std::move(path))) {}

bool SharedSpline::IsNull() const
{
  return m_spline == nullptr;
}

void SharedSpline::Reset(Spline * spline)
{