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Re:AMA: Ivan Kutskir, creator of Photopea by easrng on Sunday April 11, 2021 @05:15PM (#26773514)
Oh, OK. Regarding the background: That works, and you do the same thing in GIMP but that doesn't handle transparency. In GIMP there's the Color to Alpha tool which is pretty much magic.
Re:AMA: Ivan Kutskir, creator of Photopea by easrng on Sunday April 11, 2021 @05:21PM (#26773563)
Say you have https://this.is-a-professional-domain.com/4Hhtqcf.jpg and you want that glow on a transparent background. In GIMP, I'd select the chip, Select>Invert, Color>Color to Alpha and it would just work. I tried to do it in Photoshop and couldn't figure it out.
Re:AMA: Ivan Kutskir, creator of Photopea by IvanK_net on Sunday April 11, 2021 @06:36PM (#26774128)
BTW. I added Color to Alpha into Photopea: Filter - More - Color to Alpha. Works 100% same as in Gimp :)