72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
#pragma once
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#include <mbgl/style/expression/expression.hpp>
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#include <mbgl/style/source.hpp>
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#include <mbgl/util/constants.hpp>
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#include <mbgl/util/geojson.hpp>
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#include <mbgl/util/optional.hpp>
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#include <memory>
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#include <unordered_map>
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#include <utility>
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namespace mbgl {
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class AsyncRequest;
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namespace style {
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struct GeoJSONOptions {
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// GeoJSON-VT options
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uint8_t minzoom = 0;
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uint8_t maxzoom = 18;
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uint16_t tileSize = util::tileSize;
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uint16_t buffer = 128;
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double tolerance = 0.375;
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bool lineMetrics = false;
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// Supercluster options
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bool cluster = false;
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uint16_t clusterRadius = 50;
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uint8_t clusterMaxZoom = 17;
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using ClusterExpression = std::pair<std::shared_ptr<mbgl::style::expression::Expression>,
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std::shared_ptr<mbgl::style::expression::Expression>>;
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using ClusterProperties = std::unordered_map<std::string, ClusterExpression>;
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ClusterProperties clusterProperties;
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};
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class GeoJSONSource final : public Source {
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public:
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GeoJSONSource(const std::string& id, optional<GeoJSONOptions> = nullopt);
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~GeoJSONSource() final;
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void setURL(const std::string& url);
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void setGeoJSON(const GeoJSON&);
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optional<std::string> getURL() const;
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class Impl;
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const Impl& impl() const;
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void loadDescription(FileSource&) final;
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bool supportsLayerType(const mbgl::style::LayerTypeInfo*) const override;
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mapbox::base::WeakPtr<Source> makeWeakPtr() override {
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return weakFactory.makeWeakPtr();
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}
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private:
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optional<std::string> url;
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std::unique_ptr<AsyncRequest> req;
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mapbox::base::WeakPtrFactory<Source> weakFactory {this};
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};
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template <>
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inline bool Source::is<GeoJSONSource>() const {
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return getType() == SourceType::GeoJSON;
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}
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} // namespace style
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} // namespace mbgl
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