Merge pull request #987 from VoidVolker/master

[=] Wrap fix for #555

src/imagetilesource.js

@@ -166,14 +166,6 @@
                 return new $.Point(0, 0);
             }
         },
-        /**
-         * @function
-         * @param {Number} level
-         * @param {OpenSeadragon.Point} point
-         */
-        getTileAtPoint: function (level, point) {
-            return new $.Point(0, 0);
-        },
         /**
          * Retrieves a tile url
          * @function

src/legacytilesource.js

@@ -169,16 +169,6 @@ $.extend( $.LegacyTileSource.prototype, $.TileSource.prototype, /** @lends OpenS
         }
     },
 
-    /**
-     * @function
-     * @param {Number} level
-     * @param {OpenSeadragon.Point} point
-     */
-    getTileAtPoint: function( level, point ) {
-        return new $.Point( 0, 0 );
-    },
-
-
     /**
      * This method is not implemented by this class other than to throw an Error
      * announcing you have to implement it.  Because of the variety of tile

src/tiledimage.js

@@ -967,10 +967,14 @@ function updateLevel( tiledImage, haveDrawn, drawLevel, level, levelOpacity, lev
 
     resetCoverage( tiledImage.coverage, level );
 
-    if ( !tiledImage.wrapHorizontal ) {
+    if ( tiledImage.wrapHorizontal ) {
+        tileTL.x -= 1; // left invisible column (othervise we will have empty space after scroll at left)
+    } else {
         tileBR.x = Math.min( tileBR.x, numberOfTiles.x - 1 );
     }
-    if ( !tiledImage.wrapVertical ) {
+    if ( tiledImage.wrapVertical ) {
+        tileTL.y -= 1; // top invisible row (othervise we will have empty space after scroll at top)
+    } else {
         tileBR.y = Math.min( tileBR.y, numberOfTiles.y - 1 );
     }
 

src/tilesource.js

@@ -345,11 +345,11 @@ $.TileSource.prototype = {
      * @param {OpenSeadragon.Point} point
      */
     getTileAtPoint: function( level, point ) {
-        var pixel = point.times( this.dimensions.x ).times( this.getLevelScale(level) ),
+        var numTiles = this.getNumTiles( level );
-            tx = Math.floor( pixel.x / this.getTileWidth(level) ),
+        return new $.Point(
-            ty = Math.floor( pixel.y / this.getTileHeight(level) );
+            Math.floor( (point.x * numTiles.x) / 1 ),
-
+            Math.floor( (point.y * numTiles.y * this.dimensions.x) / this.dimensions.y )
-        return new $.Point( tx, ty );
+        );
     },
 
     /**