Repo created

libs/indexer/scales.hpp

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+#pragma once
+
+#include "geometry/point2d.hpp"
+#include "geometry/rect2d.hpp"
+
+namespace scales
+{
+constexpr int UPPER_STYLE_SCALE = 20;
+
+/// Upper scale for data generation and indexer buckets.
+constexpr int GetUpperScale()
+{
+  return 17;
+}
+/// Upper scale according to drawing rules.
+constexpr int GetUpperStyleScale()
+{
+  return UPPER_STYLE_SCALE;
+}
+/// Upper scales for World visible styles and indexer buckets.
+constexpr int GetUpperWorldScale()
+{
+  return 9;
+}
+/// Upper scale level for countries.
+constexpr int GetUpperCountryScale()
+{
+  return GetUpperWorldScale() + 1;
+}
+/// Upper scale for user comfort view (e.g. location zoom).
+constexpr int GetUpperComfortScale()
+{
+  return 17;
+}
+/// Default navigation mode scale.
+constexpr int GetNavigationScale()
+{
+  return 16;
+}
+/// Default pedestrian navigation mode scale.
+constexpr int GetPedestrianNavigationScale()
+{
+  return 17;
+}
+/// Default navigation 3d mode scale.
+constexpr int GetNavigation3dScale()
+{
+  return 17;
+}
+/// Default pedestrian navigation 3d mode scale.
+constexpr int GetPedestrianNavigation3dScale()
+{
+  return 17;
+}
+/// Default scale in adding-new-place mode.
+constexpr int GetAddNewPlaceScale()
+{
+  return 18;
+}
+/// Lower scale when standalone point housenumbers (of building-address type) become visible.
+constexpr int GetPointHousenumbersScale()
+{
+  return 17;
+}
+
+int GetMinAllowableIn3dScale();
+
+double GetScaleLevelD(double ratio);
+double GetScaleLevelD(m2::RectD const & r);
+int GetScaleLevel(double ratio);
+int GetScaleLevel(m2::RectD const & r);
+
+double GetEpsilonForLevel(int level);
+double GetEpsilonForSimplify(int level);
+double GetEpsilonForHousenumbers(int level);
+bool IsGoodForLevel(int level, m2::RectD const & r);
+
+using Points = std::vector<m2::PointD>;
+bool IsGoodOutlineForLevel(int level, Points const & poly);
+}  // namespace scales