var _ref2 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
        _ref2$scale = _ref2.scale,
        scale = _ref2$scale === undefined ? defaultScale() : _ref2$scale,
        _ref2$mimeType = _ref2.mimeType,
        mimeType = _ref2$mimeType === undefined ? 'image/png' : _ref2$mimeType,