From 57ae02f3812280d25f521f4f4ba9dc1e358e4a79 Mon Sep 17 00:00:00 2001
From: fredj <frederic.junod@camptocamp.com>
Date: Wed, 18 Jan 2012 14:06:01 +0100
Subject: [PATCH] Set image.crossOrigin attribute in OpenLayers.Tile.Image

---
 lib/OpenLayers/Tile/Image.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/OpenLayers/Tile/Image.js b/lib/OpenLayers/Tile/Image.js
index 23a7c9668a..28dab38773 100644
--- a/lib/OpenLayers/Tile/Image.js
+++ b/lib/OpenLayers/Tile/Image.js
@@ -297,6 +297,7 @@ OpenLayers.Tile.Image = OpenLayers.Class(OpenLayers.Tile, {
             } else {
                 OpenLayers.Event.observe(img, "load", load);
                 OpenLayers.Event.observe(img, "error", load);
+                img.crossOrigin = null;
                 img.src = this.blankImageUrl;
             }
         }
@@ -314,6 +315,8 @@ OpenLayers.Tile.Image = OpenLayers.Class(OpenLayers.Tile, {
         img.style.visibility = 'hidden';
         img.style.opacity = 0;
         if (url) {
+            // don't set crossOrigin if the url is a data URL
+            img.crossOrigin = url.indexOf('data:') === 0 ? null : '';
             img.src = url;
         }
     },