[core] Move CrossFadedPropertyEvaluator to its own file

6 files changed, 53 insertions, 41 deletions

diff --git a/cmake/core-files.cmake b/cmake/core-files.cmake
index a819675f4f..6a87be8b5f 100644
--- a/cmake/core-files.cmake
+++ b/cmake/core-files.cmake
@@ -218,6 +218,8 @@ set(MBGL_CORE_FILES
     src/mbgl/style/cascade_parameters.hpp
     src/mbgl/style/class_dictionary.cpp
     src/mbgl/style/class_dictionary.hpp
+    src/mbgl/style/cross_faded_property_evaluator.cpp
+    src/mbgl/style/cross_faded_property_evaluator.hpp
     src/mbgl/style/function.cpp
     src/mbgl/style/layer.cpp
     src/mbgl/style/layer_impl.cpp
@@ -229,7 +231,6 @@ set(MBGL_CORE_FILES
     src/mbgl/style/parser.cpp
     src/mbgl/style/parser.hpp
     src/mbgl/style/property_evaluation_parameters.hpp
-    src/mbgl/style/property_evaluator.cpp
     src/mbgl/style/property_evaluator.hpp
     src/mbgl/style/property_parsing.cpp
     src/mbgl/style/property_parsing.hpp
diff --git a/src/mbgl/programs/fill_program.cpp b/src/mbgl/programs/fill_program.cpp
index 90c09a995c..a8154d08f9 100644
--- a/src/mbgl/programs/fill_program.cpp
+++ b/src/mbgl/programs/fill_program.cpp
@@ -1,6 +1,6 @@
 #include <mbgl/programs/fill_program.hpp>
 #include <mbgl/sprite/sprite_atlas.hpp>
-#include <mbgl/style/property_evaluator.hpp>
+#include <mbgl/style/cross_faded_property_evaluator.hpp>
 #include <mbgl/tile/tile_id.hpp>
 #include <mbgl/map/transform_state.hpp>
 
diff --git a/src/mbgl/style/property_evaluator.cpp b/src/mbgl/style/cross_faded_property_evaluator.cpp
index b8e07ff116..4de939576e 100644
--- a/src/mbgl/style/property_evaluator.cpp
+++ b/src/mbgl/style/cross_faded_property_evaluator.cpp
@@ -1,4 +1,4 @@
-#include <mbgl/style/property_evaluator.hpp>
+#include <mbgl/style/cross_faded_property_evaluator.hpp>
 #include <mbgl/util/chrono.hpp>
 
 #include <cmath>
diff --git a/src/mbgl/style/cross_faded_property_evaluator.hpp b/src/mbgl/style/cross_faded_property_evaluator.hpp
new file mode 100644
index 0000000000..70c8c0c978
--- /dev/null
+++ b/src/mbgl/style/cross_faded_property_evaluator.hpp
@@ -0,0 +1,48 @@
+#pragma once
+
+#include <mbgl/style/property_value.hpp>
+#include <mbgl/style/property_evaluation_parameters.hpp>
+#include <mbgl/util/interpolate.hpp>
+
+namespace mbgl {
+namespace style {
+
+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 Undefined&) const;
+    Faded<T> operator()(const T& constant) const;
+    Faded<T> operator()(const Function<T>&) const;
+
+private:
+    Faded<T> calculate(const T& min, const T& mid, const T& max) const;
+
+    const PropertyEvaluationParameters& parameters;
+    T defaultValue;
+};
+
+} // namespace style
+
+namespace util {
+template <typename T>
+struct Interpolator<style::Faded<T>>
+    : Uninterpolated {};
+} // namespace util
+
+} // namespace mbgl
diff --git a/src/mbgl/style/paint_property.hpp b/src/mbgl/style/paint_property.hpp
index bd25877d11..15df2a77c7 100644
--- a/src/mbgl/style/paint_property.hpp
+++ b/src/mbgl/style/paint_property.hpp
@@ -2,6 +2,7 @@
 
 #include <mbgl/style/class_dictionary.hpp>
 #include <mbgl/style/property_evaluator.hpp>
+#include <mbgl/style/cross_faded_property_evaluator.hpp>
 #include <mbgl/style/transition_options.hpp>
 #include <mbgl/style/cascade_parameters.hpp>
 #include <mbgl/style/property_evaluation_parameters.hpp>
diff --git a/src/mbgl/style/property_evaluator.hpp b/src/mbgl/style/property_evaluator.hpp
index 1c5a201413..ca4962d948 100644
--- a/src/mbgl/style/property_evaluator.hpp
+++ b/src/mbgl/style/property_evaluator.hpp
@@ -2,7 +2,6 @@
 
 #include <mbgl/style/property_value.hpp>
 #include <mbgl/style/property_evaluation_parameters.hpp>
-#include <mbgl/util/interpolate.hpp>
 
 namespace mbgl {
 namespace style {
@@ -25,42 +24,5 @@ private:
     T defaultValue;
 };
 
-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 Undefined&) const;
-    Faded<T> operator()(const T& constant) const;
-    Faded<T> operator()(const Function<T>&) const;
-
-private:
-    Faded<T> calculate(const T& min, const T& mid, const T& max) const;
-
-    const PropertyEvaluationParameters& parameters;
-    T defaultValue;
-};
-
 } // namespace style
-
-namespace util {
-template <typename T>
-struct Interpolator<style::Faded<T>>
-    : Uninterpolated {};
-} // namespace util
-
 } // namespace mbgl