实现效果视频：
https://m.toutiaoimg.com/i7012628289806139918/?gd_ext_json=%7B%22enter_from%22%3A%22click_creation_center%22%2C%22category_name%22%3A%22creation_center%22%7D&enter_from=click_creation_center&category_name=creation_center&share_token=c3b59c5c-c95d-43a9-a842-4cd30e321a34&tt_from=copy_link&utm_source=copy_link&utm_medium=toutiao_android&utm_campaign=client_share
实现代码：
旋转、缩放
实现效果视频：
https://www.ixigua.com/i7012628289806139918/