Force state of error tiles when usInterimTilesOnError is false

2017-05-19 15:57:59 +02:00
parent 46c610f35e
commit c1abe4a550
6 changed files with 39 additions and 18 deletions
@@ -94,6 +94,7 @@ ol.ImageTile.prototype.getKey = function() {
 */
 ol.ImageTile.prototype.handleImageError_ = function() {
  this.state = ol.TileState.ERROR;
+  this.image_ = ol.ImageTile.blankImage;
  this.unlistenImage_();
  this.changed();
 };
@@ -143,3 +144,11 @@ ol.ImageTile.prototype.unlistenImage_ = function() {
  this.imageListenerKeys_.forEach(ol.events.unlistenByKey);
  this.imageListenerKeys_ = null;
 };
+
+
+/**
+ * A blank image.
+ * @type {Image}
+ */
+ol.ImageTile.blankImage = new Image();
+ol.ImageTile.blankImage.src = 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7';