From 4ef6254c1362e575823fd666920d8ed21c4c8869 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Wed, 11 Sep 2013 15:57:09 +0200
Subject: [PATCH] Add ol.source.TileImage#setTileUrlFunction

---
 src/ol/source/imagetilesource.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/ol/source/imagetilesource.js b/src/ol/source/imagetilesource.js
index 453dd29126..87e8ad0f51 100644
--- a/src/ol/source/imagetilesource.js
+++ b/src/ol/source/imagetilesource.js
@@ -108,6 +108,16 @@ ol.source.TileImage.prototype.getTile = function(z, x, y, projection) {
 };
 
 
+/**
+ * @param {ol.TileUrlFunctionType} tileUrlFunction Tile URL function.
+ */
+ol.source.TileImage.prototype.setTileUrlFunction = function(tileUrlFunction) {
+  this.tileCache_.clear();
+  this.tileUrlFunction = tileUrlFunction;
+  this.dispatchChangeEvent();
+};
+
+
 /**
  * @inheritDoc
  */