48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
#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;
|
|
|
|
/**
|
|
* @brief The LayerFactory abstract class
|
|
*
|
|
* This class is responsible for creation of the layer objects that belong to a
|
|
* concrete layer type.
|
|
*/
|
|
class LayerFactory {
|
|
public:
|
|
virtual ~LayerFactory() = default;
|
|
/// Returns the layer type data.
|
|
virtual const style::LayerTypeInfo* getTypeInfo() const noexcept = 0;
|
|
/// Returns a new Layer instance on success call; returns `nullptr` otherwise.
|
|
virtual std::unique_ptr<style::Layer> createLayer(const std::string& id,
|
|
const style::conversion::Convertible& value) noexcept = 0;
|
|
/// Returns a new RenderLayer instance.
|
|
virtual std::unique_ptr<RenderLayer> createRenderLayer(Immutable<style::Layer::Impl>) noexcept = 0;
|
|
/// Returns a new Bucket instance on success call; returns `nullptr` otherwise.
|
|
virtual std::unique_ptr<Bucket> createBucket(const BucketParameters&,
|
|
const std::vector<Immutable<style::LayerProperties>>&) noexcept;
|
|
/// Returns a new Layout instance on success call; returns `nullptr` otherwise.
|
|
virtual std::unique_ptr<Layout> createLayout(const LayoutParameters&,
|
|
std::unique_ptr<GeometryTileLayer>,
|
|
const std::vector<Immutable<style::LayerProperties>>&);
|
|
|
|
protected:
|
|
std::optional<std::string> getSource(const style::conversion::Convertible& value) const noexcept;
|
|
};
|
|
|
|
} // namespace mbgl
|