imagemagick

I’m currently taking part in the "#hARToween" daily art challenge, as I want to work on my pixelart skills and drawing a 128x128px pixel drawing each day1 for a month seemed like a good idea. You can follow my posts in this thread. I’m using Aseprite, and recently came across the “record for aseprite” script for it that allows taking regular snapshots of what I’m currently drawing so a timelapse can be created from that....

I just had to trim a bunch of screenshots that had some black borders around them. I didn’t want to do this manually or via a GUI, but ideally batch-able via the commandline. Thankfully, that’s one of the many things that ImageMagick can do for you. I put all my screenshot PNGs into a folder, and then in that folder ran this mogrify command: magick mogrify -trim -define trim:percent-background=0% -background black -path output/ *....