#pragma once

#include <mbgl/renderer/render_layer.hpp>
#include <mbgl/style/layers/line_layer_impl.hpp>
#include <mbgl/style/layers/line_layer_properties.hpp>
#include <mbgl/programs/uniforms.hpp>
#include <mbgl/style/image_impl.hpp>
#include <mbgl/layout/pattern_layout.hpp>
#include <mbgl/gfx/texture.hpp>

namespace mbgl {

class RenderLineLayer final : public RenderLayer {
public:
    explicit RenderLineLayer(Immutable<style::LineLayer::Impl>);
    ~RenderLineLayer() override;

private:
    void transition(const TransitionParameters&) override;
    void evaluate(const PropertyEvaluationParameters&) override;
    bool hasTransition() const override;
    bool hasCrossfade() const override;
    void render(PaintParameters&, RenderSource*) override;

    bool queryIntersectsFeature(
            const GeometryCoordinates&,
            const GeometryTileFeature&,
            const float,
            const TransformState&,
            const float,
            const mat4&) const override;

    // Paint properties
    style::LinePaintProperties::Unevaluated unevaluated;

    float getLineWidth(const GeometryTileFeature&, const float) const;
    void updateColorRamp();

    PremultipliedImage colorRamp;
    optional<gfx::Texture> colorRampTexture;
};

} // namespace mbgl