diff --git a/src/ol/render/canvas/canvasimmediate.js b/src/ol/render/canvas/canvasimmediate.js
index c4c345bb95..a96da78abe 100644
--- a/src/ol/render/canvas/canvasimmediate.js
+++ b/src/ol/render/canvas/canvasimmediate.js
@@ -455,18 +455,20 @@ ol.render.canvas.Immediate.prototype.setFillStrokeStyles_ = function() {
  */
 ol.render.canvas.Immediate.prototype.setImageStyle = function(imageStyle) {
   if (!goog.isNull(imageStyle)) {
-    goog.asserts.assert(!goog.isNull(imageStyle.anchor));
-    goog.asserts.assert(goog.isDef(imageStyle.size));
+    var anchor = imageStyle.getAnchor();
+    goog.asserts.assert(!goog.isNull(anchor));
+    var size = imageStyle.getSize();
+    goog.asserts.assert(!goog.isNull(size));
     // FIXME pixel ratio
     var image = imageStyle.getImage(1);
     goog.asserts.assert(!goog.isNull(image));
     var state = this.state_;
-    state.anchorX = imageStyle.anchor[0];
-    state.anchorY = imageStyle.anchor[1];
+    state.anchorX = anchor[0];
+    state.anchorY = anchor[1];
     state.image = image;
-    state.width = imageStyle.size[0];
-    state.height = imageStyle.size[1];
-    state.snapToPixel = imageStyle.snapToPixel;
+    state.width = size[0];
+    state.height = size[1];
+    state.snapToPixel = imageStyle.getSnapToPixel();
   }
 };
 
diff --git a/src/ol/render/canvas/canvasreplay.js b/src/ol/render/canvas/canvasreplay.js
index d8e32d7e3d..638bae82d0 100644
--- a/src/ol/render/canvas/canvasreplay.js
+++ b/src/ol/render/canvas/canvasreplay.js
@@ -602,20 +602,22 @@ ol.render.canvas.ImageReplay.prototype.finish = function() {
  */
 ol.render.canvas.ImageReplay.prototype.setImageStyle = function(imageStyle) {
   goog.asserts.assert(!goog.isNull(imageStyle));
-  goog.asserts.assert(!goog.isNull(imageStyle.anchor));
-  goog.asserts.assert(goog.isDef(imageStyle.size));
+  var anchor = imageStyle.getAnchor();
+  goog.asserts.assert(!goog.isNull(anchor));
+  var size = imageStyle.getSize();
+  goog.asserts.assert(!goog.isNull(size));
   // FIXME pixel ratio
   var hitDetectionImage = imageStyle.getHitDetectionImage(1);
   goog.asserts.assert(!goog.isNull(hitDetectionImage));
   var image = imageStyle.getImage(1);
   goog.asserts.assert(!goog.isNull(image));
-  this.anchorX_ = imageStyle.anchor[0];
-  this.anchorY_ = imageStyle.anchor[1];
+  this.anchorX_ = anchor[0];
+  this.anchorY_ = anchor[1];
   this.hitDetectionImage_ = hitDetectionImage;
   this.image_ = image;
-  this.width_ = imageStyle.size[0];
-  this.height_ = imageStyle.size[1];
-  this.snapToPixel_ = imageStyle.snapToPixel;
+  this.width_ = size[0];
+  this.height_ = size[1];
+  this.snapToPixel_ = imageStyle.getSnapToPixel();
 };
 
 
diff --git a/src/ol/style/imagestyle.js b/src/ol/style/imagestyle.js
index 9a566bcfe4..ddb5089401 100644
--- a/src/ol/style/imagestyle.js
+++ b/src/ol/style/imagestyle.js
@@ -40,34 +40,40 @@ ol.style.Image = function(options) {
   goog.base(this);
 
   /**
+   * @protected
    * @type {ol.Pixel}
    */
   this.anchor = options.anchor;
 
   /**
+   * @protected
    * @type {ol.style.ImageState}
    */
   this.imageState = options.imageState;
 
   /**
+   * @private
    * @type {number|undefined}
    */
-  this.rotation = options.rotation;
+  this.rotation_ = options.rotation;
 
   /**
+   * @protected
    * @type {ol.Size}
    */
   this.size = options.size;
 
   /**
+   * @private
    * @type {boolean|undefined}
    */
-  this.snapToPixel = options.snapToPixel;
+  this.snapToPixel_ = options.snapToPixel;
 
   /**
+   * @private
    * @type {boolean|undefined}
    */
-  this.subtractViewRotation = options.subtractViewRotation;
+  this.subtractViewRotation_ = options.subtractViewRotation;
 
 };
 goog.inherits(ol.style.Image, goog.events.EventTarget);
@@ -81,6 +87,54 @@ ol.style.Image.prototype.dispatchChangeEvent = function() {
 };
 
 
+/**
+ * @return {ol.Pixel} Anchor.
+ */
+ol.style.Image.prototype.getAnchor = function() {
+  return this.anchor;
+};
+
+
+/**
+ * @return {ol.style.ImageState} Image state.
+ */
+ol.style.Image.prototype.getImageState = function() {
+  return this.imageState;
+};
+
+
+/**
+ * @return {number|undefined} Rotation.
+ */
+ol.style.Image.prototype.getRotation = function() {
+  return this.rotation_;
+};
+
+
+/**
+ * @return {ol.Size} Size.
+ */
+ol.style.Image.prototype.getSize = function() {
+  return this.size;
+};
+
+
+/**
+ * @return {boolean|undefined} Snap to pixel?
+ */
+ol.style.Image.prototype.getSnapToPixel = function() {
+  return this.snapToPixel_;
+};
+
+
+/**
+ * @return {boolean|undefined} Subtract view rotation?
+ */
+ol.style.Image.prototype.getSubtractViewRotation = function() {
+  return this.subtractViewRotation_;
+};
+
+
 /**
  * @param {number} pixelRatio Pixel ratio.
  * @return {HTMLCanvasElement|HTMLVideoElement|Image} Image element.