Arguments:
- value[%] or
- [image] or
- 'formula' or
- (no arg)
Description:
Compute the bitwise left rotation of selected images with specified value, image or mathematical expression, or compute the pointwise sequential bitwise left rotation of selected images.
Example of use:
$ gmic
image.jpg rol 'round(3*x/w,0)' cut 0,255

Command:
image.jpg rol 'round(3*x/w,0)' cut 0,255