I think this is straightforward, please allow to input negative values, handy for aligning sprites to grids.
If you implement this and thinner border lines, i'll gladly donate 10 USD.
Thanks!
Hey all. Made a parser to get usable JSON files for PhaserJS:
https://github.com/GAZ082/atlased_phaserjs_parser
Hey there. Thanks. Followed this and worked: https://github.com/aseprite/themes/issues/3