位图转矢量能演示下吗
https://www.bilibili.com/video/BV1zPQ1YbEH1/?spm_id_from=888.80997.embed_other.whitelist&bvid=BV1zPQ1YbEH1&vd_source=7161977b6cb771640188fb3c72af8705
https://www.bilibili.com/video/BV1zPQ1YbEH1/?spm_id_from=888.80997.embed_other.whitelist&bvid=BV1zPQ1YbEH1&vd_source=7161977b6cb771640188fb3c72af8705