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#pragma once
#include <mbgl/renderer/mode.hpp>
#include <mbgl/renderer/renderer_frontend.hpp>
#include <mbgl/gl/headless_backend.hpp>
#include <mbgl/util/async_task.hpp>
#include <mbgl/util/optional.hpp>
#include <memory>
namespace mbgl {
class FileSource;
class Scheduler;
class Renderer;
class RendererBackend;
class Map;
class TransformState;
class HeadlessFrontend : public RendererFrontend {
public:
HeadlessFrontend(float pixelRatio_, FileSource&, Scheduler&, const optional<std::string> programCacheDir = {}, GLContextMode mode = GLContextMode::Unique, const optional<std::string> localFontFamily = {});
HeadlessFrontend(Size, float pixelRatio_, FileSource&, Scheduler&, const optional<std::string> programCacheDir = {}, GLContextMode mode = GLContextMode::Unique, const optional<std::string> localFontFamily = {});
~HeadlessFrontend() override;
void reset() override;
void update(std::shared_ptr<UpdateParameters>) override;
void setObserver(RendererObserver&) override;
Size getSize() const;
void setSize(Size);
Renderer* getRenderer();
RendererBackend* getBackend();
PremultipliedImage readStillImage();
PremultipliedImage render(Map&);
optional<TransformState> getTransformState() const;
private:
Size size;
float pixelRatio;
HeadlessBackend backend;
util::AsyncTask asyncInvalidate;
std::unique_ptr<Renderer> renderer;
std::shared_ptr<UpdateParameters> updateParameters;
};
} // namespace mbgl
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