Custom File Format Support Through Plugin

[nstit]

Hi,

I’m looking for a way to add support for a custom file type to the save dialog for images in Substance Designer. Ideally, I or another user would be able to select this file format from the list of formats, and have a callback that lets my code handle the save process when that format is selected. If such a feature is unavailable, is there a way to add custom buttons to an existing dock panel, i.e. the 2D view window so that I can add an export button near the existing save button?

Thanks.

[divi.cig]

we needed that functionality and at the time the only available route was to have a suffix for the file and use a custom python script to convert the output afterwards with imagemagick to the desired format.
not sure if there is a more straightforward route available now with the python API.