858097102d
Actual for layers rendering the geometry tile data: line, fill, fill-extrusion, heatmap, circle, symbol (was updated in previous commits).
35 lines
872 B
C++
35 lines
872 B
C++
#pragma once
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#include <mbgl/style/layer_impl.hpp>
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namespace mbgl {
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namespace style {
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/**
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* @brief An interface, wrapping evaluated layer properties.
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*
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* It is an abstract base class; concrete derived classes that hold the actual data are provided for each layer type.
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*/
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class LayerProperties {
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public:
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virtual ~LayerProperties() = default;
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Immutable<Layer::Impl> baseImpl;
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protected:
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LayerProperties(Immutable<Layer::Impl> impl) : baseImpl(std::move(impl)) {}
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};
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template <class Derived>
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inline const auto& getEvaluated(const Immutable<LayerProperties>& properties) {
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return static_cast<const Derived&>(*properties).evaluated;
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}
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template <class Derived>
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inline const auto& getCrossfade(const Immutable<LayerProperties>& properties) {
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return static_cast<const Derived&>(*properties).crossfade;
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}
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} // namespace style
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} // namespace mbgl
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