// line暂未用到

* 设置画布的上下文 * @param context 画布 */

设置动画的函数id @param funcId 回调函数的id

设置strokeStyle 并解析透明度 @param strokeColor 颜色

! @brief return flattened JSON value The function creates a JSON object whose keys are JSON pointers (see [RFC 6901](https://tools.ietf.o

return whether the iterator is at end

! @brief return whether value is an unsigned integer number This function returns true if and only if the JSON value is an unsigned integ

! @brief determine system byte order @return true if and only if system's byte order is little endian @note from https://stackoverflow.com/a/1001328

load so

! @brief post-increment (it++) @pre The iterator is initialized; i.e. `m_object != nullptr`. */

! @brief post-decrement (it--) @pre The iterator is initialized; i.e. `m_object != nullptr`. */