Fabric: Using `ColorComponents` in `colorFromComponents` function

Summary: Trivial. We have a special data structure for it, why do not use it here?

Reviewed By: mdvacca

Differential Revision: D7738577

fbshipit-source-id: 750aa649b06f17d27906d44df07172a907cde2e5

ReactCommon/fabric/graphics/Color.cpp

@@ -13,11 +13,17 @@
 namespace facebook {
 namespace react {
 
-SharedColor colorFromComponents(float red, float green, float blue, float alpha) {
-  const CGFloat components[] = {red, green, blue, alpha};
+SharedColor colorFromComponents(ColorComponents components) {
+  const CGFloat componentsArray[] = {
+    components.red,
+    components.green,
+    components.blue,
+    components.alpha
+  };
+
   CGColorRef color = CGColorCreate(
     CGColorSpaceCreateDeviceRGB(),
-    components
+    componentsArray
   );
 
   return SharedColor(color, CFRelease);

ReactCommon/fabric/graphics/Color.h

@@ -23,7 +23,7 @@ struct ColorComponents {
   float alpha {0};
 };
 
-SharedColor colorFromComponents(float red, float green, float blue, float alpha);
+SharedColor colorFromComponents(ColorComponents components);
 ColorComponents colorComponentsFromColor(SharedColor color);
 
 } // namespace react

ReactCommon/fabric/graphics/graphicValuesConversions.cpp

@@ -36,7 +36,7 @@ SharedColor colorFromDynamic(const folly::dynamic &value) {
     abort();
   }
 
-  return colorFromComponents(red, green, blue, alpha);
+  return colorFromComponents({red, green, blue, alpha});
 }
 
 std::string colorNameFromColor(const SharedColor &value) {