Crop filter with JpegRenderer not working



Hello,
I am trying to do a square (1:1) crop of an image that came from a 16:9 or 4:3 source and use the JpegRenderer to make an image stream for saving to disk. Unfortunately, instead of doing a square crop, JpegRenderer is just squishing the image to fit into a 1:1 space. Can the JpegRenderer handle an aspect ratio change, or do I have to render it to an intermediate object before rendering it out to jpeg? Thank you for any help!

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