| 1 | #pragma once |
|---|---|
| 2 | |
| 3 | #include <mapbox/geometry/geometry.hpp> |
| 4 | #include <mapbox/geometry/point_arithmetic.hpp> |
| 5 | #include <mapbox/geometry/for_each_point.hpp> |
| 6 | |
| 7 | namespace mbgl { |
| 8 | |
| 9 | enum class FeatureType : uint8_t { |
| 10 | Unknown = 0, |
| 11 | Point = 1, |
| 12 | LineString = 2, |
| 13 | Polygon = 3 |
| 14 | }; |
| 15 | |
| 16 | template <class T> |
| 17 | using Point = mapbox::geometry::point<T>; |
| 18 | |
| 19 | template <class T> |
| 20 | using LineString = mapbox::geometry::line_string<T>; |
| 21 | |
| 22 | template <class T> |
| 23 | using Polygon = mapbox::geometry::polygon<T>; |
| 24 | |
| 25 | template <class T> |
| 26 | using MultiPoint = mapbox::geometry::multi_point<T>; |
| 27 | |
| 28 | template <class T> |
| 29 | using MultiLineString = mapbox::geometry::multi_line_string<T>; |
| 30 | |
| 31 | template <class T> |
| 32 | using MultiPolygon = mapbox::geometry::multi_polygon<T>; |
| 33 | |
| 34 | template <class T> |
| 35 | using LinearRing = mapbox::geometry::linear_ring<T>; |
| 36 | |
| 37 | template <class T> |
| 38 | using Geometry = mapbox::geometry::geometry<T>; |
| 39 | |
| 40 | template <class S, class T> |
| 41 | Point<S> convertPoint(const Point<T>& p) { |
| 42 | return Point<S>(p.x, p.y); |
| 43 | } |
| 44 | |
| 45 | struct ToFeatureType { |
| 46 | template <class T> |
| 47 | FeatureType operator()(const Point<T> &) const { return FeatureType::Point; } |
| 48 | template <class T> |
| 49 | FeatureType operator()(const MultiPoint<T> &) const { return FeatureType::Point; } |
| 50 | template <class T> |
| 51 | FeatureType operator()(const LineString<T> &) const { return FeatureType::LineString; } |
| 52 | template <class T> |
| 53 | FeatureType operator()(const MultiLineString<T> &) const { return FeatureType::LineString; } |
| 54 | template <class T> |
| 55 | FeatureType operator()(const Polygon<T> &) const { return FeatureType::Polygon; } |
| 56 | template <class T> |
| 57 | FeatureType operator()(const MultiPolygon<T> &) const { return FeatureType::Polygon; } |
| 58 | template <class T> |
| 59 | FeatureType operator()(const mapbox::geometry::geometry_collection<T> &) const { return FeatureType::Unknown; } |
| 60 | }; |
| 61 | |
| 62 | template <class T, typename F> |
| 63 | auto forEachPoint(const Geometry<T>& g, F f) { |
| 64 | mapbox::geometry::for_each_point(g, f); |
| 65 | } |
| 66 | |
| 67 | } // namespace mbgl |
| 68 |