Method DrawTileNet

libs/drape_frontend/rule_drawer.cpp:500–550

#ifdef DRAW_TILE_NET
void RuleDrawer::DrawTileNet()
{
  if (CheckCancelled())
    return;

  auto const key = m_context->GetTileKey();

  std::vector<m2::PointD> path;
  path.reserve(4);
  path.push_back(m_globalRect.LeftBottom());
  path.push_back(m_globalRect.LeftTop());
  path.push_back(m_globalRect.RightTop());
  path.push_back(m_globalRect.RightBottom());

  m2::SharedSpline spline(path);
  df::LineViewParams p;
  p.m_tileCenter = m_globalRect.Center();
  p.m_baseGtoPScale = 1.0;
  p.m_cap = dp::ButtCap;
  p.m_color = dp::Color::Blue();
  p.m_depth = dp::kMaxDepth;
  p.m_depthLayer = DepthLayer::GeometryLayer;
  p.m_width = 1;
  p.m_join = dp::RoundJoin;

  auto lineShape = make_unique_dp<LineShape>(spline, p);
  lineShape->Prepare(m_context->GetTextureManager());
  TMapShapes shapes;
  shapes.push_back(std::move(lineShape));
  m_context->Flush(std::move(shapes));

  df::TextViewParams tp;
  tp.m_markId = kml::kDebugMarkId;
  tp.m_tileCenter = m_globalRect.Center();
  tp.m_titleDecl.m_anchor = dp::Center;
  tp.m_depth = dp::kMaxDepth;
  tp.m_depthLayer = DepthLayer::OverlayLayer;
  tp.m_titleDecl.m_primaryText = key.Coord2String();

  tp.m_titleDecl.m_primaryTextFont = dp::FontDecl(dp::Color::Red(), 30);
  tp.m_titleDecl.m_primaryOffset = {0.0f, 0.0f};
  auto textShape =
      make_unique_dp<TextShape>(m_globalRect.Center(), tp, key, m2::PointF(0.0f, 0.0f) /* symbolSize */,
                                m2::PointF(0.0f, 0.0f) /* symbolOffset */, dp::Anchor::Center, 0 /* textIndex */);
  textShape->DisableDisplacing();

  textShape->Prepare(m_context->GetTextureManager());
  TMapShapes overlayShapes;
  overlayShapes.push_back(std::move(textShape));
  m_context->FlushOverlays(std::move(overlayShapes));
}
#endif
}  // namespace df