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