Method VisualizeCrossMwmTransitionsInRect

libs/map/framework_visualize.cpp:155–209

}

void Framework::VisualizeCrossMwmTransitionsInRect(m2::RectD const & rect)
{
  using CrossMwmID = base::GeoObjectId;
  using ConnectorT = routing::CrossMwmConnector<CrossMwmID>;
  std::map<MwmSet::MwmId, ConnectorT> connectors;
  std::map<MwmSet::MwmId, dp::Color> colors;

  GetDataSource().ForEachInRect([&](FeatureType & ft)
  {
    if (ft.GetGeomType() != feature::GeomType::Line)
      return;

    auto const & mwmId = ft.GetID().m_mwmId;
    auto res = connectors.try_emplace(mwmId, ConnectorT());
    ConnectorT & connector = res.first->second;
    if (res.second)
    {
      MwmSet::MwmHandle handle = m_featuresFetcher.GetDataSource().GetMwmHandleById(mwmId);
      CHECK(handle.IsAlive(), ());

      auto reader = routing::connector::GetReader<CrossMwmID>(handle.GetValue()->m_cont);
      routing::CrossMwmConnectorBuilder<CrossMwmID> builder(connector);
      builder.DeserializeTransitions(routing::VehicleType::Car, reader);

      static uint32_t counter = 0;
      colors.emplace(mwmId, colorList[counter++ % std::size(colorList)]);
    }

    std::vector<uint32_t> transitSegments;
    connector.ForEachTransitSegmentId(ft.GetID().m_index, [&transitSegments](uint32_t seg)
    {
      transitSegments.push_back(seg);
      return false;
    });

    if (!transitSegments.empty())
    {
      auto const color = colors.find(mwmId)->second;

      int segIdx = -1;
      m2::PointD prevPt;
      ft.ForEachPoint([&](m2::PointD const & pt)
      {
        if (base::IsExist(transitSegments, segIdx))
        {
          GetDrapeApi().AddLine(DebugPrint(ft.GetID()) + ", " + std::to_string(segIdx),
                                df::DrapeApiLineData({prevPt, pt}, color).Width(10.0f));
        }

        prevPt = pt;
        ++segIdx;
      }, scales::GetUpperScale());
    }
  }, rect, scales::GetUpperScale());
}