* 计算三次贝塞尔值 * @memberOf module:zrender/core/curve * @param {number} p0 * @param {number} p1 * @param {number

* Support testing using an element * @param {Function} fn Passed the created div and expects a boolean result

* Mark a function for special use by Sizzle * @param {Function} fn The function to mark

* 计算二次方贝塞尔值 * @param {number} p0 * @param {number} p1 * @param {number} p2 * @param {number} t * @