* **[Drawing自绘制性能提升](https://developer.huawei.com/consumer/cn/doc/best-practices/bpta-drawing-capability-improve-performance)**
* **[水印添加](https://developer.huawei.com/consumer/cn/doc/best-practices/bpta-add-watermark)**
* **[基于Canvas实现录像回放时间轴](https://developer.huawei.com/consumer/cn/doc/best-practices/bpta-implement-timeline-based-on-canvas)**