Merge pull request #6132 from tohu12/getColor_to_Icon

Add getter for color property to ol.style.Icon

src/ol/style/icon.js

@@ -259,6 +259,16 @@ ol.style.Icon.prototype.getAnchor = function() {
 };
 
 
+/**
+ * Get the icon color.
+ * @return {ol.Color} Color.
+ * @api
+ */
+ol.style.Icon.prototype.getColor = function() {
+  return this.color_;
+};
+
+
 /**
  * Get the image icon.
  * @param {number} pixelRatio Pixel ratio.