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deltachat / deltachat-ios

Email-based instant messaging for iOS.
GNU General Public License v3.0
306 stars 49 forks source link

Stage images, but send stickers (#2128) #2203

Closed zeitschlag closed 1 month ago

zeitschlag commented 1 month ago

isSticker with checking on image sizes feels so wrong, if someone has a better idea how to differ between stickers and images: I'm all ears!

After a short debate we decided to check for size for now. If that doesn't work well enough, we'll consider adding a check for a transparent pixel on [0, 0]

Simon-Laux commented 1 month ago

if someone has a better idea how to differ between stickers and images: I'm all ears!

check for transparent border / edges. "real" stickers have a transparent background and a white outline to make them look like stickers, at least telegram and others have that in their guidelines for sticker creation.

Simon-Laux commented 1 month ago

After a short debate we decided to check for size for now.

what if my sticker is high-res? or is this size some official number/size for sticker keyboards on iOS? like where does the number 140 come from?