_loop_4 = function (index162) {
                                var len = pattern[index162];
                                {
                                    /* append */ (function (sb) { return sb.str = sb.str.concat(len.toFixed(2) + " "); })(str);
                                }
                            }
Analyzes the shape and returns a string with the style.
@return {*} style read from the shape.