code: function (e) {
  
        if (this.isDrawingMode && this._isCurrentlyDrawing) {
          this._finalizeDrawingPath();
          this.fire('mouse:up', { e: e });
          return;
        }
  
        if (this._currentTransform) {
  
          var transform = this._currentTransform,
              target = transform.target;
  
          if (target._scaling) {
            target._scaling = false;
          }
  
          // determine the new coords everytime the image changes its position
          var i = this._objects.length;
          while (i--) {
            this._objects[i].setCoords();
          }
  
          // only fire :modified event if target coordinates were changed during mousedown-mouseup
          if (this.stateful && target.hasStateChanged()) {
            target.isMoving = false;
            this.fire('object:modified', { target: target });
            target.fire('modified');
          }
        }
  
        this._currentTransform = null;
  
        if (this._groupSelector) {
          // group selection was completed, determine its bounds
          this._findSelectedObjects(e);
        }
        var activeGroup = this.getActiveGroup();
        if (activeGroup) {
          activeGroup.setObjectsCoords();
          activeGroup.set('isMoving', false);
          this._setCursor(this.defaultCursor);
        }
  
        // clear selection
        this._groupSelector = null;
        this.renderAll();
  
        this._setCursorFromEvent(e, target);
  
        // fix for FF
        this._setCursor('');
  
        var _this = this;
        setTimeout(function () {
          _this._setCursorFromEvent(e, target);
        }, 50);
  
        this.fire('mouse:up', { target: target, e: e });
        target && target.fire('mouseup', { e: e })
      }
docs: Method that defines the actions when mouse is released on canvas.
  The method resets the currentTransform parameters, store the image corner
  position in the image object and render the canvas on top.
  @method __onMouseUp
  @param {Event} e Event object fired on mouseup