Method Render

libs/drape_frontend/my_position_controller.cpp:615–651

}

void MyPositionController::Render(ref_ptr<dp::GraphicsContext> context, ref_ptr<gpu::ProgramManager> mng,
                                  ScreenBase const & screen, int zoomLevel, FrameValues const & frameValues)
{
  CheckNotFollowRouting();

  if (m_shape != nullptr && IsModeHasPosition())
  {
    CheckBlockAutoZoom();
    CheckUpdateLocation();

    if ((m_isDirtyViewport || m_isDirtyAutoZoom) && !m_needBlockAnimation)
    {
      if (!UpdateViewportWithAutoZoom() && m_isDirtyViewport)
        UpdateViewport(kDoNotChangeZoom);
      m_isDirtyViewport = false;
      m_isDirtyAutoZoom = false;
    }

    if (!IsModeChangeViewport())
      m_isPendingAnimation = false;

    /// @todo Put under !m_hints.m_screenshotMode?
    /// Why do we have 6 modifiers (and 6 variables inside), if better to make 1 function m_shape->Render(Params)?
    m_shape->SetPositionObsolete(m_positionIsObsolete);
    m_shape->SetPosition(m2::PointF(GetDrawablePosition()));
    m_shape->SetAzimuth(static_cast<float>(GetDrawableAzimut()));
    m_shape->SetIsValidAzimuth(IsRotationAvailable());
    m_shape->SetAccuracy(static_cast<float>(m_errorRadius));
    m_shape->SetRoutingMode(IsInRouting());

    if (!m_hints.m_screenshotMode)
    {
      m_shape->RenderAccuracy(context, mng, screen, zoomLevel, frameValues);
      m_shape->RenderMyPosition(context, mng, screen, zoomLevel, frameValues);
    }
  }
}

bool MyPositionController::IsRouteFollowingActive() const
{