Add imageSize and origin for hit-detection image

src/ol/style/iconstyle.js

@@ -246,6 +246,14 @@ ol.style.Icon.prototype.getImageSize = function() {
 };
 
 
+/**
+ * @inheritDoc
+ */
+ol.style.Icon.prototype.getHitDetectionImageSize = function() {
+  return this.getImageSize();
+};
+
+
 /**
  * @inheritDoc
  */
@@ -293,6 +301,14 @@ ol.style.Icon.prototype.getOrigin = function() {
 };
 
 
+/**
+ * @inheritDoc
+ */
+ol.style.Icon.prototype.getHitDetectionOrigin = function() {
+  return this.getOrigin();
+};
+
+
 /**
  * @return {string|undefined} Image src.
  * @api

src/ol/style/imagestyle.js

@@ -126,6 +126,13 @@ ol.style.Image.prototype.getAnchor = goog.abstractMethod;
 ol.style.Image.prototype.getImage = goog.abstractMethod;
 
 
+/**
+ * @param {number} pixelRatio Pixel ratio.
+ * @return {HTMLCanvasElement|HTMLVideoElement|Image} Image element.
+ */
+ol.style.Image.prototype.getHitDetectionImage = goog.abstractMethod;
+
+
 /**
  * @return {ol.style.ImageState} Image state.
  */
@@ -139,10 +146,9 @@ ol.style.Image.prototype.getImageSize = goog.abstractMethod;
 
 
 /**
- * @param {number} pixelRatio Pixel ratio.
- * @return {HTMLCanvasElement|HTMLVideoElement|Image} Image element.
+ * @return {ol.Size} Size of the hit-detection image.
  */
-ol.style.Image.prototype.getHitDetectionImage = goog.abstractMethod;
+ol.style.Image.prototype.getHitDetectionImageSize = goog.abstractMethod;
 
 
 /**
@@ -152,6 +158,13 @@ ol.style.Image.prototype.getHitDetectionImage = goog.abstractMethod;
 ol.style.Image.prototype.getOrigin = goog.abstractMethod;
 
 
+/**
+ * @function
+ * @return {Array.<number>} Origin for the hit-detection image.
+ */
+ol.style.Image.prototype.getHitDetectionOrigin = goog.abstractMethod;
+
+
 /**
  * @function
  * @return {ol.Size} Size.