哪位大神做过Android 不规则裁剪，多边形任意拖动裁剪如下图：
有做过这种的程序的例子吗？ 求源码！！！ 网上找了好久 找到一个 但是不能任意拖动，还是个四边形，四个点的拖动，不能任意拖动。 哎 惆怅啊！ ！
光阴似箭催人老，日月如移越少年。
path plus xfermode
No source code, provide ideas
Just find a library that can control the rectangular size to crop images
Find the location of the cropping step, which must contain code to control the size of the rectangle
Modify the rectangle to be calculated through the endpoints, presumably by changing drawRect to drawPath
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
path plus xfermode
No source code, provide ideas
Just find a library that can control the rectangular size to crop images
Find the location of the cropping step, which must contain code to control the size of the rectangle
Modify the rectangle to be calculated through the endpoints, presumably by changing drawRect to drawPath