Crop avatar asp.net C# version. Resizing, rotating.

Solution here: https://github.com/pavelakafoks/cropper/tree/master/examples/crop-avatar

Primary project: https://github.com/fengyuanchen/cropper

I don't know why author deleted examples: https://github.com/fengyuanchen/cropper/commit/11bc114640731b467523022ddc9545e684c83f1a

Here we can find examples. Base version - with PHP server side. And my addition - C# asp.net server side.