* **[Canvas对象](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/ui-js-components-canvas)**
* **[CanvasRenderingContext2D对象](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/ui-js-components-canvasrenderingcontext2d)**
* **[Path2D对象](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/ui-js-components-path2d)**
* **[OffscreenCanvasRenderingContext2D对象](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/ui-js-components-offscreencanvas)**