layer_factory.hpp

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#pragma once
 
#include <mbgl/style/layer.hpp>
 
#include <vector>
 
namespace mbgl {
 
namespace style {
class LayerProperties;
}  // namespace style
class Bucket;
class BucketParameters;
class GeometryTileLayer;
class Layout;
class LayoutParameters;
class RenderLayer;
 
class LayerFactory {
public:
    virtual ~LayerFactory() = default;
    virtual const style::LayerTypeInfo* getTypeInfo() const noexcept = 0;
    virtual std::unique_ptr<style::Layer> createLayer(const std::string& id, const style::conversion::Convertible& value) noexcept = 0;
    virtual std::unique_ptr<RenderLayer> createRenderLayer(Immutable<style::Layer::Impl>) noexcept = 0;
    virtual std::unique_ptr<Bucket> createBucket(const BucketParameters&, const std::vector<Immutable<style::LayerProperties>>&) noexcept;
    virtual std::unique_ptr<Layout> createLayout(const LayoutParameters&, std::unique_ptr<GeometryTileLayer>, const std::vector<Immutable<style::LayerProperties>>&) noexcept;
 
protected:
    std::optional<std::string> getSource(const style::conversion::Convertible& value) const noexcept;
};
 
} // namespace mbgl