image_expression.hpp

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#pragma once
 
#include <mbgl/style/expression/expression.hpp>
 
namespace mbgl {
namespace style {
namespace expression {
 
class ParsingContext;
 
class ImageExpression final : public Expression {
public:
    explicit ImageExpression(std::unique_ptr<Expression> imageID);
 
    EvaluationResult evaluate(const EvaluationContext&) const override;
    static ParseResult parse(const mbgl::style::conversion::Convertible&, ParsingContext&);
 
    void eachChild(const std::function<void(const Expression&)>&) const override;
 
    bool operator==(const Expression& e) const override;
 
    std::vector<std::optional<Value>> possibleOutputs() const override { return {std::nullopt}; }
 
    mbgl::Value serialize() const override;
    std::string getOperator() const override { return "image"; }
 
private:
    std::shared_ptr<Expression> imageID;
};
 
} // namespace expression
} // namespace style
} // namespace mbgl