Method CreateDrapeEngine

libs/map/framework.cpp:1497–1598

}

void Framework::CreateDrapeEngine(ref_ptr<dp::GraphicsContextFactory> contextFactory, DrapeCreationParams && params)
{
  auto idReadFn = [this](df::MapDataProvider::TReadCallback<FeatureID const> const & fn, m2::RectD const & r,
                         int scale) -> void { m_featuresFetcher.ForEachFeatureID(r, fn, scale); };

  auto featureReadFn = [this](df::MapDataProvider::TReadCallback<FeatureType> const & fn,
                              vector<FeatureID> const & ids) -> void { m_featuresFetcher.ReadFeatures(fn, ids); };

  auto myPositionModeChangedFn = [this](location::EMyPositionMode mode, bool routingActive)
  {
    GetPlatform().RunTask(Platform::Thread::Gui, [this, mode, routingActive]()
    {
      // Deactivate selection (and hide place page) if we return to routing in F&R mode.
      if (routingActive && mode == location::FollowAndRotate)
        DeactivateMapSelection();

      if (m_myPositionListener != nullptr)
        m_myPositionListener(mode, routingActive);
    });
  };

  auto overlaysShowStatsFn = [](list<df::OverlayShowEvent> &&) {};

  auto onGraphicsContextInitialized = [this]()
  {
    GetPlatform().RunTask(Platform::Thread::Gui, [this]()
    {
      if (m_onGraphicsContextInitialized)
        m_onGraphicsContextInitialized();
    });
  };

  auto isCountryLoadedByNameFn = bind(&Framework::IsCountryLoadedByName, this, _1);
  auto updateCurrentCountryFn = bind(&Framework::OnUpdateCurrentCountry, this, _1, _2);

  bool allow3d;
  bool allow3dBuildings;
  Load3dMode(allow3d, allow3dBuildings);

  auto const isAutozoomEnabled = LoadAutoZoom();

  auto const trafficEnabled = m_trafficManager.IsEnabled();
  auto const isolinesEnabled = m_isolinesManager.IsEnabled();

  auto const simplifiedTrafficColors = m_trafficManager.HasSimplifiedColorScheme();
  auto const fontsScaleFactor = LoadLargeFontsSize() ? kLargeFontsScaleFactor : 1.0;

  df::DrapeEngine::Params p(
      params.m_apiVersion, contextFactory, dp::Viewport(0, 0, params.m_surfaceWidth, params.m_surfaceHeight),
      df::MapDataProvider(std::move(idReadFn), std::move(featureReadFn), std::move(isCountryLoadedByNameFn),
                          std::move(updateCurrentCountryFn)),
      params.m_hints, params.m_visualScale, fontsScaleFactor, std::move(params.m_widgetsInitInfo),
      std::move(myPositionModeChangedFn), allow3dBuildings, trafficEnabled, isolinesEnabled,
      params.m_isChoosePositionMode, params.m_isChoosePositionMode, GetSelectedFeatureTriangles(),
      m_routingManager.IsRoutingActive() && m_routingManager.IsRoutingFollowing(), isAutozoomEnabled,
      simplifiedTrafficColors, std::nullopt /* arrow3dCustomDecl */, std::move(overlaysShowStatsFn),
      std::move(onGraphicsContextInitialized), std::move(params.m_renderInjectionHandler));