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Diffstat (limited to 'include/mbgl/style/expression/distance.hpp')
-rw-r--r-- | include/mbgl/style/expression/distance.hpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/mbgl/style/expression/distance.hpp b/include/mbgl/style/expression/distance.hpp new file mode 100644 index 0000000000..e034b9452f --- /dev/null +++ b/include/mbgl/style/expression/distance.hpp @@ -0,0 +1,38 @@ +#pragma once + +#include <mapbox/cheap_ruler.hpp> +#include <mbgl/style/expression/expression.hpp> +#include <mbgl/util/geojson.hpp> + +namespace mbgl { +namespace style { +namespace expression { + +class Distance final : public Expression { +public: + Distance(GeoJSON geoJSONSource_, Feature::geometry_type geometries_, mapbox::cheap_ruler::CheapRuler::Unit unit_); + + ~Distance() override; + + EvaluationResult evaluate(const EvaluationContext&) const override; + + static ParseResult parse(const mbgl::style::conversion::Convertible&, ParsingContext&); + + void eachChild(const std::function<void(const Expression&)>&) const override {} + + bool operator==(const Expression& e) const override; + + std::vector<optional<Value>> possibleOutputs() const override; + + mbgl::Value serialize() const override; + std::string getOperator() const override; + +private: + GeoJSON geoJSONSource; + Feature::geometry_type geometries; + mapbox::cheap_ruler::CheapRuler::Unit unit; +}; + +} // namespace expression +} // namespace style +} // namespace mbgl |