126 lines
4.3 KiB
C++
126 lines
4.3 KiB
C++
#pragma once
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#include <mbgl/renderer/query.hpp>
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#include <mbgl/annotation/annotation.hpp>
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#include <mbgl/util/geo.hpp>
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#include <mbgl/util/geojson.hpp>
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#include <functional>
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#include <memory>
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#include <string>
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#include <vector>
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namespace mbgl {
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class RendererObserver;
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class RenderedQueryOptions;
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class SourceQueryOptions;
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class UpdateParameters;
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namespace gfx {
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class RendererBackend;
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} // namespace gfx
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struct PlacedSymbolData {
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/// Contents of the label
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std::u16string key;
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/// If symbol contains text, text collision box in viewport coordinates
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std::optional<mapbox::geometry::box<float>> textCollisionBox;
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/// If symbol contains icon, icon collision box in viewport coordinates
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std::optional<mapbox::geometry::box<float>> iconCollisionBox;
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/// Symbol text was placed
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bool textPlaced;
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/// Symbol icon was placed
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bool iconPlaced;
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/// Symbol text or icon collision box intersects tile borders
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bool intersectsTileBorder;
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/// Viewport padding ({viewportPadding, viewportPadding} is a coordinate of the tile's top-left corner)
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float viewportPadding;
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/// Layer id (leader of the symbol layout group)
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std::string layer;
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};
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class Renderer {
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public:
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Renderer(gfx::RendererBackend&,
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float pixelRatio_,
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const std::optional<std::string>& localFontFamily = std::nullopt);
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~Renderer();
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void markContextLost();
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void setObserver(RendererObserver*);
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void render(const std::shared_ptr<UpdateParameters>&);
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/// Feature queries
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std::vector<Feature> queryRenderedFeatures(const ScreenLineString&, const RenderedQueryOptions& options = {}) const;
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std::vector<Feature> queryRenderedFeatures(const ScreenCoordinate& point,
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const RenderedQueryOptions& options = {}) const;
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std::vector<Feature> queryRenderedFeatures(const ScreenBox& box, const RenderedQueryOptions& options = {}) const;
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std::vector<Feature> querySourceFeatures(const std::string& sourceID, const SourceQueryOptions& options = {}) const;
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AnnotationIDs queryPointAnnotations(const ScreenBox& box) const;
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AnnotationIDs queryShapeAnnotations(const ScreenBox& box) const;
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AnnotationIDs getAnnotationIDs(const std::vector<Feature>&) const;
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/// Feature extension query
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FeatureExtensionValue queryFeatureExtensions(
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const std::string& sourceID,
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const Feature& feature,
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const std::string& extension,
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const std::string& extensionField,
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const std::optional<std::map<std::string, Value>>& args = std::nullopt) const;
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void setFeatureState(const std::string& sourceID,
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const std::optional<std::string>& sourceLayerID,
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const std::string& featureID,
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const FeatureState& state);
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void getFeatureState(FeatureState& state,
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const std::string& sourceID,
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const std::optional<std::string>& sourceLayerID,
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const std::string& featureID) const;
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void removeFeatureState(const std::string& sourceID,
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const std::optional<std::string>& sourceLayerID,
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const std::optional<std::string>& featureID,
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const std::optional<std::string>& stateKey);
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// Debug
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void dumpDebugLogs();
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/**
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* @brief In Tile map mode, enables or disables collecting of the placed
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* symbols data, which can be obtained with `getPlacedSymbolsData()`.
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*
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* The placed symbols data collecting is disabled by default.
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*/
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void collectPlacedSymbolData(bool enable);
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/**
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* @brief If collecting of the placed symbols data is enabled, returns the
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* reference to the `PlacedSymbolData` vector holding the collected data.
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*
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* Note: the returned vector gets re-populated at every `render()` call.
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*
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* @return collected placed symbols data
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*/
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const std::vector<PlacedSymbolData>& getPlacedSymbolsData() const;
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// Memory
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void setTileCacheEnabled(bool);
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bool getTileCacheEnabled() const;
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void reduceMemoryUse();
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void clearData();
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#if MLN_RENDER_BACKEND_OPENGL
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void enableAndroidEmulatorGoldfishMitigation(bool enable);
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#endif
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private:
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class Impl;
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std::unique_ptr<Impl> impl;
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};
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} // namespace mbgl
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