Image boundary extension algorithm added #386
A new algorithm for image boundary extension added.
While extending current
mloskot left a comment
The documentation is a bit modest.
I understand these are quite simple operations, but a user may expect to get description of motivation, when to use it (e.g. is it a sort of a method for canvas resize while keeping image content intact), what are (input) limitations if any, etc.
Added description as you suggested.