After your last post, is the intention to write a plugin or do you want to use the Gimp menu system ?
In case anyone interested, using ofnuts ofn-path-to-shape.py (circumcircle) https://i.imgur.com/84Obqk1.mp4
1. from the menu structure
2. using the search tool /?
In case anyone interested, using ofnuts ofn-path-to-shape.py (circumcircle) https://i.imgur.com/84Obqk1.mp4
1. from the menu structure
2. using the search tool /?