Set image.crossOrigin attribute in OpenLayers.Tile.Image

2012-01-18 14:06:01 +01:00
parent 14624cb815
commit 57ae02f381
1 changed files with 3 additions and 0 deletions
--- 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;
        }
    },