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#pragma once
#include <mbgl/style/properties.hpp>
#include <mbgl/style/property_value.hpp>
#include <mbgl/style/heatmap_color_property_value.hpp>
#include <mbgl/style/data_driven_property_value.hpp>
#include <mbgl/renderer/property_evaluator.hpp>
#include <mbgl/renderer/cross_faded_property_evaluator.hpp>
#include <mbgl/renderer/data_driven_property_evaluator.hpp>
#include <utility>
namespace mbgl {
namespace style {
template <class T>
class PaintProperty {
public:
using TransitionableType = Transitionable<PropertyValue<T>>;
using UnevaluatedType = Transitioning<PropertyValue<T>>;
using EvaluatorType = PropertyEvaluator<T>;
using PossiblyEvaluatedType = T;
using Type = T;
static constexpr bool IsDataDriven = false;
};
template <class T, class A, class U>
class DataDrivenPaintProperty {
public:
using TransitionableType = Transitionable<DataDrivenPropertyValue<T>>;
using UnevaluatedType = Transitioning<DataDrivenPropertyValue<T>>;
using EvaluatorType = DataDrivenPropertyEvaluator<T>;
using PossiblyEvaluatedType = PossiblyEvaluatedPropertyValue<T>;
using Type = T;
static constexpr bool IsDataDriven = true;
using Attribute = A;
using Uniform = U;
};
template <class T>
class CrossFadedPaintProperty {
public:
using TransitionableType = Transitionable<PropertyValue<T>>;
using UnevaluatedType = Transitioning<PropertyValue<T>>;
using EvaluatorType = CrossFadedPropertyEvaluator<T>;
using PossiblyEvaluatedType = Faded<T>;
using Type = T;
static constexpr bool IsDataDriven = false;
};
/*
* Special-case paint property traits for heatmap-color, needed because
* heatmap-color values do not fit into the
* Undefined | Value | {Camera,Source,Composite}Function taxonomy that applies
* to all other paint properties.
*
* These traits are provided here--despite the fact that heatmap-color
* is not used like other paint properties--to allow the parameter-pack-based
* batch evaluation of paint properties to compile properly.
*/
class HeatmapColor {
public:
using TransitionableType = Transitionable<HeatmapColorPropertyValue>;
using UnevaluatedType = Transitioning<HeatmapColorPropertyValue>;
using EvaluatorType = PropertyEvaluator<Color>;
using PossiblyEvaluatedType = Color;
using Type = Color;
static constexpr bool IsDataDriven = false;
static Color defaultValue() { return {}; }
};
} // namespace style
} // namespace mbgl
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