ImageClipper 介绍
ImageClipper 是一个用来快速对图片进行剪切的工具，例如用来提取照片中的头像。
支持包括 Windows 和 Linux 平台，主要功能：
- Open images in a directory sequentially
- Open a video, frame by frame
- Clip (save) and go to the next image by one button (SPACE)
- Move and resize your selected region by vi-like hotkeys or right mouse button
- Rotate and shear deform (affine transform) the rectangle region