Custom Controls for fabric.js
https://github.com/pixolith/fabricjs-customise-controls-extension
- top left = rotate
- top right = scale
- top middle = rotate by specific degree
- bottom left = remove
- bottom right = move up layer specific
- bottom middle = move down layer specific
- Middle Left is for stretching and if you press SHIFT for skewing
- Middle Right is a custom left (-200px) call and if you press SHIFT for skewing