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author | John Firebaugh <john.firebaugh@gmail.com> | 2017-04-27 14:33:00 -0700 |
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committer | John Firebaugh <john.firebaugh@gmail.com> | 2017-05-03 08:30:17 -0700 |
commit | d5f4d0f05fcb8490984649d78d6c026f87a77f4e (patch) | |
tree | dea3b08a7c1d6f29a0f75d37cb2ee54a2429e6b4 /src/mbgl/renderer/cross_faded_property_evaluator.hpp | |
parent | 6c7730ee7c2d9e63df526965bb511b2f43ee82b7 (diff) | |
download | qtlocation-mapboxgl-d5f4d0f05fcb8490984649d78d6c026f87a77f4e.tar.gz |
[core] Move render-related sources out of style directory/namespace
Moves the following to the renderer directory and out of the style namespace:
* CascadeParameters
* PropertyEvaluationParameters
* UpdateParameters
* PropertyEvaluator
* DataDrivenPropertyEvaluator
* CrossFadedPropertyEvaluator
* PaintPropertyBinder
* PaintProperyStatistics
* PossiblyEvaluatedPropertyValue
* TransitioningLight
* EvaluatedLight
Diffstat (limited to 'src/mbgl/renderer/cross_faded_property_evaluator.hpp')
-rw-r--r-- | src/mbgl/renderer/cross_faded_property_evaluator.hpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/mbgl/renderer/cross_faded_property_evaluator.hpp b/src/mbgl/renderer/cross_faded_property_evaluator.hpp new file mode 100644 index 0000000000..40ecba5d93 --- /dev/null +++ b/src/mbgl/renderer/cross_faded_property_evaluator.hpp @@ -0,0 +1,45 @@ +#pragma once + +#include <mbgl/style/property_value.hpp> +#include <mbgl/renderer/property_evaluation_parameters.hpp> +#include <mbgl/util/interpolate.hpp> + +namespace mbgl { + +template <typename T> +class Faded { +public: + T from; + T to; + float fromScale; + float toScale; + float t; +}; + +template <typename T> +class CrossFadedPropertyEvaluator { +public: + using ResultType = Faded<T>; + + CrossFadedPropertyEvaluator(const PropertyEvaluationParameters& parameters_, T defaultValue_) + : parameters(parameters_), + defaultValue(std::move(defaultValue_)) {} + + Faded<T> operator()(const style::Undefined&) const; + Faded<T> operator()(const T& constant) const; + Faded<T> operator()(const style::CameraFunction<T>&) const; + +private: + Faded<T> calculate(const T& min, const T& mid, const T& max) const; + + const PropertyEvaluationParameters& parameters; + T defaultValue; +}; + +namespace util { +template <typename T> +struct Interpolator<Faded<T>> + : Uninterpolated {}; +} // namespace util + +} // namespace mbgl |