From c576b2a34e07818b64ea2e5ac4af2702e4505d36 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Thu, 25 Apr 2013 15:17:24 +0200
Subject: [PATCH] Treat image tiles with a zero dimension as empty

---
 src/ol/imagetile.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/ol/imagetile.js b/src/ol/imagetile.js
index 3795df9de7..8b97d630b5 100644
--- a/src/ol/imagetile.js
+++ b/src/ol/imagetile.js
@@ -104,7 +104,11 @@ ol.ImageTile.prototype.handleImageError_ = function() {
  * @private
  */
 ol.ImageTile.prototype.handleImageLoad_ = function() {
-  this.state = ol.TileState.LOADED;
+  if (this.image_.naturalWidth && this.image_.naturalHeight) {
+    this.state = ol.TileState.LOADED;
+  } else {
+    this.state = ol.TileState.EMPTY;
+  }
   this.unlistenImage_();
   this.dispatchChangeEvent();
 };