diff options
author | Ivo van Dongen <info@ivovandongen.nl> | 2018-03-13 12:31:56 +0200 |
---|---|---|
committer | Ivo van Dongen <ivovandongen@users.noreply.github.com> | 2018-03-19 11:19:09 +0200 |
commit | 2464520da18f0f4cc7532adb3fb7b1f8f195304e (patch) | |
tree | 8a391da645a7a84fce5ba2e05a0ef2422474d0cd /platform/android/src/geojson/geometry.cpp | |
parent | f2fbe69b32d7683d489b1f259b6db49070736980 (diff) | |
download | qtlocation-mapboxgl-2464520da18f0f4cc7532adb3fb7b1f8f195304e.tar.gz |
[android] high-level jni bindings for geojson conversion
Diffstat (limited to 'platform/android/src/geojson/geometry.cpp')
-rw-r--r-- | platform/android/src/geojson/geometry.cpp | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/platform/android/src/geojson/geometry.cpp b/platform/android/src/geojson/geometry.cpp index ca19d8fb03..5635b5a0f5 100644 --- a/platform/android/src/geojson/geometry.cpp +++ b/platform/android/src/geojson/geometry.cpp @@ -6,6 +6,7 @@ #include "multi_line_string.hpp" #include "polygon.hpp" #include "multi_polygon.hpp" +#include "geometry_collection.hpp" #include <string> @@ -13,7 +14,49 @@ namespace mbgl { namespace android { namespace geojson { -mapbox::geojson::geometry Geometry::convert(jni::JNIEnv &env, jni::Object<Geometry> jGeometry) { +/** + * Turn mapbox::geometry type into Java GeoJson Geometries + */ +class GeometryEvaluator { +public: + + jni::JNIEnv& env; + + jni::Object<Geometry> operator()(const mbgl::Point<double> &geometry) const { + return jni::Cast(env, Point::New(env, geometry), Geometry::javaClass); + } + + jni::Object<Geometry> operator()(const mbgl::LineString<double> &geometry) const { + return jni::Cast(env, LineString::New(env, geometry), Geometry::javaClass); + } + + jni::Object<Geometry> operator()(const mbgl::MultiLineString<double> &geometry) const { + return jni::Cast(env, MultiLineString::New(env, geometry), Geometry::javaClass); + } + + jni::Object<Geometry> operator()(const mbgl::MultiPoint<double> &geometry) const { + return jni::Cast(env, MultiPoint::New(env, geometry), Geometry::javaClass); + } + + jni::Object<Geometry> operator()(const mbgl::Polygon<double> &geometry) const { + return jni::Cast(env, Polygon::New(env, geometry), Geometry::javaClass); + } + + jni::Object<Geometry> operator()(const mbgl::MultiPolygon<double> &geometry) const { + return jni::Cast(env, MultiPolygon::New(env, geometry), Geometry::javaClass); + } + + jni::Object<Geometry> operator()(const mapbox::geometry::geometry_collection<double> &geometry) const { + return jni::Cast(env, GeometryCollection::New(env, geometry), Geometry::javaClass); + } +}; + +jni::Object<Geometry> Geometry::New(jni::JNIEnv& env, mbgl::Geometry<double> geometry) { + GeometryEvaluator evaluator { env } ; + return mbgl::Geometry<double>::visit(geometry, evaluator); +} + +mbgl::Geometry<double> Geometry::convert(jni::JNIEnv &env, jni::Object<Geometry> jGeometry) { auto type = Geometry::getType(env, jGeometry); if (type == Point::Type()) { return { Point::convert(env, jni::Object<Point>(jGeometry.Get())) }; @@ -27,6 +70,8 @@ mapbox::geojson::geometry Geometry::convert(jni::JNIEnv &env, jni::Object<Geomet return { Polygon::convert(env, jni::Object<Polygon>(jGeometry.Get())) }; } else if (type == MultiPolygon::Type()) { return { MultiPolygon::convert(env, jni::Object<MultiPolygon>(jGeometry.Get())) }; + } else if (type == GeometryCollection::Type()) { + return { GeometryCollection::convert(env, jni::Object<GeometryCollection>(jGeometry.Get())) }; } throw std::runtime_error(std::string {"Unsupported GeoJSON type: " } + type); |