Repo created

libs/kml/types.cpp

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+#include "kml/types.hpp"
+
+#include "kml/minzoom_quadtree.hpp"
+
+#include "base/macros.hpp"
+#include "base/stl_helpers.hpp"
+#include "base/string_utils.hpp"
+
+#include <random>
+
+namespace kml
+{
+void SetBookmarksMinZoom(FileData & fileData, double countPerTile, int maxZoom)
+{
+  using ValueType = std::pair<BookmarkData *, int /* score */>;
+  auto const scoreLess = base::LessBy(&ValueType::second);
+  MinZoomQuadtree<ValueType, decltype(scoreLess)> minZoomQuadtree{scoreLess};
+  for (auto & bm : fileData.m_bookmarksData)
+  {
+    auto const & properties = bm.m_properties;
+    int score = 0;
+    if (auto const s = properties.find("score"); s != properties.end())
+      UNUSED_VALUE(strings::to_int(s->second, score));
+    minZoomQuadtree.Add(bm.m_point, ValueType{&bm, score});
+  }
+  auto const setMinZoom = [](ValueType & valueType, int minZoom) { valueType.first->m_minZoom = minZoom; };
+  minZoomQuadtree.SetMinZoom(countPerTile, maxZoom, setMinZoom);
+}
+
+bool MultiGeometry::IsValid() const
+{
+  ASSERT_EQUAL(m_lines.size(), m_timestamps.size(), ());
+  return !m_lines.empty();
+}
+
+void MultiGeometry::Clear()
+{
+  m_lines.clear();
+  m_timestamps.clear();
+}
+
+bool MultiGeometry::HasTimestamps() const
+{
+  if (m_timestamps.empty())
+    return false;
+  for (auto const & timestamp : m_timestamps)
+    if (!timestamp.empty())
+      return true;
+  return false;
+}
+
+bool MultiGeometry::HasTimestampsFor(size_t lineIndex) const
+{
+  ASSERT(!m_timestamps.empty(), ());
+  ASSERT_EQUAL(m_lines.size(), m_timestamps.size(), ());
+  return !m_timestamps[lineIndex].empty();
+}
+
+size_t MultiGeometry::GetNumberOfLinesWithouTimestamps() const
+{
+  return m_lines.size() - GetNumberOfLinesWithTimestamps();
+}
+
+size_t MultiGeometry::GetNumberOfLinesWithTimestamps() const
+{
+  ASSERT_EQUAL(m_lines.size(), m_timestamps.size(), ());
+  size_t size = 0;
+  for (auto const & timestamp : m_timestamps)
+    if (!timestamp.empty())
+      ++size;
+  return size;
+}
+
+void MultiGeometry::FromPoints(std::vector<m2::PointD> const & points)
+{
+  LineT line;
+  for (auto const & pt : points)
+    line.emplace_back(pt);
+
+  ASSERT(line.size() > 1, ());
+  m_lines.push_back(std::move(line));
+}
+
+void MultiGeometry::AddLine(std::initializer_list<geometry::PointWithAltitude> lst)
+{
+  m_lines.emplace_back();
+  m_lines.back().assign(lst);
+}
+
+void MultiGeometry::AddTimestamps(std::initializer_list<double> lst)
+{
+  m_timestamps.emplace_back();
+  m_timestamps.back().assign(lst);
+}
+
+MultiGeometry mergeGeometry(std::vector<MultiGeometry> && aGeometries)
+{
+  MultiGeometry merged;
+  for (auto && geometry : aGeometries)
+    for (auto && line : geometry.m_lines)
+      merged.m_lines.push_back(std::move(line));
+
+  return merged;
+}
+
+kml::PredefinedColor GetRandomPredefinedColor()
+{
+  // Simple time-based seed instead of random_device is enough.
+  static std::mt19937 gen(static_cast<uint8_t>(std::chrono::system_clock::now().time_since_epoch().count()));
+  static std::uniform_int_distribution<> distr(1, static_cast<uint8_t>(PredefinedColor::Count) - 1);
+  return static_cast<PredefinedColor>(distr(gen));
+}
+}  // namespace kml