Add EMPTY tile state instead of using null for empty tiles

2013-03-08 14:41:14 +01:00
parent 0a13344668
commit b729f969a7
9 changed files with 37 additions and 42 deletions
@@ -125,7 +125,7 @@ ol.source.TileSource.prototype.getResolutions = function() {
 * @param {ol.TileCoord} tileCoord Tile coordinate.
 * @param {ol.tilegrid.TileGrid=} opt_tileGrid Tile grid.
 * @param {ol.Projection=} opt_projection Projection.
- * @return {ol.Tile} Tile.
+ * @return {!ol.Tile} Tile.
 */
 ol.source.TileSource.prototype.getTile = goog.abstractMethod;