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Make avatar-image-quality more consistent #8010

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Make avatar-image-quality more consistent #8010

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eb5c6d0
feat: Increase the resolution-limit `WORSE_AVATAR_SIZE` from 128 to 256
72374 Mar 13, 2026
ed7ffdf
feat: Change multiplier to 7/8 when scaling down avatars
72374 Feb 4, 2026
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2 changes: 1 addition & 1 deletion src/blob.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -468,7 +468,7 @@ impl<'a> BlobObject<'a> {
));
}

target_wh = target_wh * 2 / 3;
target_wh = target_wh * 7 / 8;
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@iequidoo iequidoo Mar 19, 2026

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I'm going to change this anyway in #7827 because using multipliers like 49/64 isn't great, they add more aliasing effect than 6/8 (which is 48/64), it's better to lose ~2% of the image size. Anyway, this is already better than 2/3.

} else {
info!(
context,
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2 changes: 1 addition & 1 deletion src/constants.rs
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Expand Up @@ -199,7 +199,7 @@ pub const WORSE_IMAGE_BYTES: usize = 130_000;
// max. width/height and bytes of an avatar
pub(crate) const BALANCED_AVATAR_SIZE: u32 = 512;
pub(crate) const BALANCED_AVATAR_BYTES: usize = 60_000;
pub(crate) const WORSE_AVATAR_SIZE: u32 = 128;
pub(crate) const WORSE_AVATAR_SIZE: u32 = 256;
pub(crate) const WORSE_AVATAR_BYTES: usize = 20_000; // this also fits to Outlook servers don't allowing headers larger than 32k.

// max. width/height of images scaled down because of being too huge
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