The feature I’m looking for is similar to the “Adjust Margins” node but would work slightly differently. I’m trying to create a border that doesn’t change the size of the image or crops it, instead obscuring some amount of the image.
Parameters that would be useful for this kind of border would be
Offset from the outer border of the image (distance from top/bottom/left/right)
Width of the border (like in the “Adjust Margins” node)
Here’s an example of what I had in mind in creating through Retrobatch
Black outer border is scaled to 3% (5% at the bottom) of the long edge,
White line is -1% from the end of the first border.