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#ifndef MBGL_MAP_MAP_CONTEXT
#define MBGL_MAP_MAP_CONTEXT
#include <mbgl/map/tile_id.hpp>
#include <mbgl/map/update.hpp>
#include <mbgl/map/environment.hpp>
#include <mbgl/map/transform_state.hpp>
#include <mbgl/style/style.hpp>
#include <mbgl/util/ptr.hpp>
#include <vector>
typedef struct uv_loop_s uv_loop_t;
namespace uv {
class async;
}
namespace mbgl {
class View;
class MapData;
class TexturePool;
class Painter;
class Sprite;
class Worker;
class StillImage;
struct LatLng;
struct LatLngBounds;
class MapContext : public Style::Observer {
public:
MapContext(uv_loop_t*, View&, FileSource&, MapData&);
~MapContext();
void pause();
void render();
void resize(uint16_t width, uint16_t height, float ratio);
using StillImageCallback = std::function<void(std::exception_ptr, std::unique_ptr<const StillImage>)>;
void renderStill(StillImageCallback callback);
void triggerUpdate(Update = Update::Nothing);
void setStyleURL(const std::string&);
void setStyleJSON(const std::string& json, const std::string& base);
std::string getStyleURL() const { return styleURL; }
std::string getStyleJSON() const { return styleJSON; }
double getTopOffsetPixelsForAnnotationSymbol(const std::string& symbol);
void updateAnnotationTiles(const std::unordered_set<TileID, TileID::Hash>&);
void setSourceTileCacheSize(size_t size);
void onLowMemory();
void cleanup();
// Style::Observer implementation.
void onTileDataChanged() override;
void onResourceLoadingFailed(std::exception_ptr error) override;
private:
void updateTiles();
// Style-related updates.
void cascadeClasses();
void recalculateStyle(TimePoint);
// Update the state indicated by the accumulated Update flags, then render.
void update();
// Loads the actual JSON object an creates a new Style object.
void loadStyleJSON(const std::string& json, const std::string& base);
View& view;
MapData& data;
Environment env;
EnvironmentScope envScope;
UpdateType updated { static_cast<UpdateType>(Update::Nothing) };
std::unique_ptr<uv::async> asyncUpdate;
std::unique_ptr<TexturePool> texturePool;
std::unique_ptr<Painter> painter;
std::unique_ptr<Style> style;
std::string styleURL;
std::string styleJSON;
StillImageCallback callback;
size_t sourceCacheSize;
TransformState transformState;
};
}
#endif
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