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clearly document where this code came from

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Signed-off-by: strawberry <strawberry@puppygock.gay>
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strawberry 2024-03-10 20:39:15 -04:00 • committed by June
parent 4781e232db
commit c26ba6437e
1 changed files with 10 additions and 0 deletions
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10
src/service/media/mod.rs
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@ -357,6 +357,16 @@ impl Service {
} else {
let (exact_width, exact_height) = {
// Copied from image::dynimage::resize_dimensions
//
// https://github.com/image-rs/image/blob/6edf8ae492c4bb1dacb41da88681ea74dab1bab3/src/math/utils.rs#L5-L11
// Calculates the width and height an image should be
// resized to. This preserves aspect ratio, and based
// on the `fill` parameter will either fill the
// dimensions to fit inside the smaller constraint
// (will overflow the specified bounds on one axis to
// preserve aspect ratio), or will shrink so that both
// dimensions are completely contained within the given
// `width` and `height`, with empty space on one axis.
let ratio = u64::from(original_width) * u64::from(height);
let nratio = u64::from(width) * u64::from(original_height);