anchor.diff:          stateContext.game.resourceManager.getBitmapData(resourceName), 
           isMovable: isMovable, addToStage: addToStage, 
           repeatMode: repeatMode, scaleMode: scaleMode
  -      );
  +    );
   
     /**
      * Create a Background object from an image, which is inside a texture atlas(JSON).
  
positive.code:       stateContext.game.resourceManager.getTextureAtlas(textureAtlasName)
          .getBitmapData(resourceName), 
        isMovable: isMovable, addToStage: addToStage, 
        repeatMode: repeatMode, scaleMode: scaleMode);
  
    addToStage() {
      _backgroundTileList.forEach((tile) {
  
negative.code:       this.addToStage();
      }
    }
    
    /**
     * Create static colored background. 
     */
    Background.color(State stateContext, 
         {int width: 1, int height: 1, bool transparent: false, 
          int color: 4294967295, num pixelRatio: 1.0,
          String repeatMode: DEFAULT_REPEAT_MODE, 
          String scaleMode: DEFAULT_SCALE_MODE})
        : this.bitmapdata(stateContext, 
            new StageXL.BitmapData(width,height,transparent,color,pixelRatio),
            repeatMode: repeatMode, scaleMode: scaleMode
        );
  
    /**
     * Create a Background object from an image.
  