Make icon size optional

2013-11-26 16:19:33 +01:00
parent 519e2539cc
commit 9365c227ab
2 changed files with 20 additions and 3 deletions
@@ -5,12 +5,23 @@ goog.require('ol.style.Image');

 /**
 * @param {string} src Image source URI.
- * @param {ol.Size} size Image size.
+ * @param {ol.Size=} opt_size Image size.
 * @return {ol.style.Image} Image.
 */
-ol.icon.renderIcon = function(src, size) {
+ol.icon.renderIcon = function(src, opt_size) {
+
+  /**
+   * @type {ol.Size}
+   */
+  var size = goog.isDef(opt_size) ? opt_size : null;
+
+  /**
+   * @type {ol.Pixel}
+   */
+  var anchor = !goog.isNull(size) ? [size[0] / 2, size[1] / 2] : null;
+
  return new ol.style.Image({
-    anchor: [size[0] / 2, size[1] / 2],
+    anchor: anchor,
    size: size,
    src: src,
    rotation: 0,