OCIOColorSpace: add "inverse" and "swap colorspaces" #20
Description
OpenColorIO now proposes openfx plugins. The OCIOColorSpace plugin has two useful functions:
- an "inverse" checkbox
- a "swap colorspaces" push button
It would be nice to have these too
ref:
from https://github.com/AcademySoftwareFoundation/OpenColorIO/blob/main/vendor/openfx/OCIODisplayView.cpp