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Description
Mostly uploaded to test a bug with derpibooru’s handling of .gifs
Source
not provided yet
Thanks, I’ll try that
Yeah, ImageMagick is where the ‘bug’ is, if you like, afaict, or rather your usage; try adding +repage after your resize code to instruct ImageMagick to remove the canvas area it cropped. Our handling does appear to drop the canvas hints, which it probably shouldn’t; canvas vs image size is a kinda dodgy area though.
Yeah, that seems to be it. I use ImageMagick to animate these, and it seems it didn’t optimize away parts of the image I never intended to render. If opened in GIMP the parts of the citation that are outside the gifs borders still exist.
Ya, I think that is it, Derpibooru seems to be more simplified with how it handles images so if the date of the part out of the frame is in the file then it’s going to show it all.
Compare to the orignal, hosted on my dropbox
I don’t know the GIF in details, so I guess it may contain additional data that tells the renderer to crop the image to certain borders?
In this case, the problem is mainly Derpibooru’s image optimization (gifsicle for the matter) that probably discards those informations.
The whole citation paper shouldn’t be visible until it finishes “printing”. The blank/mostly transparent space at the bottom shouldn’t be there.
When posted on any other site, the gif renders properly, showing only the area with the dark background and the citation appearing from the bottom of the image.
At least to me, it looks like the citation appears in its entirety and moves onto the backdrop right now.
What’s the bug exactly?