Method OnDoubleTap

libs/drape_frontend/frontend_renderer.cpp:2019–2022

}

void FrontendRenderer::OnDoubleTap(m2::PointD const & pt)
{
  m_userEventStream.AddEvent(make_unique_dp<ScaleEvent>(2.0 /* scale factor */, pt, true /* animated */));
}

void FrontendRenderer::OnTwoFingersTap()
{