[all] Rationalize annotation API

1 files changed, 66 insertions, 0 deletions

diff --git a/src/mbgl/annotation/symbol_annotation_impl.hpp b/src/mbgl/annotation/symbol_annotation_impl.hpp
new file mode 100644
index 0000000000..43c490140d
--- /dev/null
+++ b/src/mbgl/annotation/symbol_annotation_impl.hpp
@@ -0,0 +1,66 @@
+#pragma once
+
+#include <mbgl/annotation/annotation.hpp>
+#include <mbgl/util/geo.hpp>
+
+#include <string>
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-function"
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#pragma GCC diagnostic ignored "-Wshadow"
+#ifdef __clang__
+#pragma GCC diagnostic ignored "-Wunknown-pragmas"
+#endif
+#pragma GCC diagnostic ignored "-Wpragmas"
+#pragma GCC diagnostic ignored "-Wdeprecated-register"
+#pragma GCC diagnostic ignored "-Wshorten-64-to-32"
+#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#include <boost/geometry.hpp>
+#include <boost/geometry/geometries/point.hpp>
+#include <boost/geometry/geometries/box.hpp>
+#include <boost/geometry/geometries/register/point.hpp>
+#include <boost/geometry/geometries/register/box.hpp>
+#include <boost/geometry/index/rtree.hpp>
+#pragma GCC diagnostic pop
+
+// Make Boost Geometry aware of our LatLng type
+BOOST_GEOMETRY_REGISTER_POINT_2D(mbgl::LatLng, double, boost::geometry::cs::cartesian, longitude, latitude)
+BOOST_GEOMETRY_REGISTER_BOX(mbgl::LatLngBounds, mbgl::LatLng, southwest(), northeast())
+
+namespace mbgl {
+
+class AnnotationTileLayer;
+class CanonicalTileID;
+
+class SymbolAnnotationImpl {
+public:
+    SymbolAnnotationImpl(const AnnotationID, const SymbolAnnotation&);
+
+    void updateLayer(const CanonicalTileID&, AnnotationTileLayer&) const;
+
+    const AnnotationID id;
+    const SymbolAnnotation annotation;
+};
+
+} // namespace mbgl
+
+// Tell Boost Geometry how to access a std::shared_ptr<mbgl::SymbolAnnotation> object.
+namespace boost {
+namespace geometry {
+namespace index {
+
+template <>
+struct indexable<std::shared_ptr<const mbgl::SymbolAnnotationImpl>> {
+    using result_type = mbgl::LatLng;
+    inline mbgl::LatLng operator()(const std::shared_ptr<const mbgl::SymbolAnnotationImpl>& v) const {
+        const mbgl::Point<double>& p = v->annotation.geometry.get<mbgl::Point<double>>();
+        return mbgl::LatLng(p.y, p.x);
+    }
+};
+
+} // end namespace index
+} // end namespace geometry
+} // end namespace boost