Say you've got a 15px image, inside a 20px imageview, with contentmode set to UIViewContentModeCenter. Well, you'd expect it to be centered at 1:1 (eg no scaling). But it appears fuzzy, because its origin won't be at a rounded pixel boundary, it'll be at a fraction. If you look at the maths it makes sense:
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(Comp Sci, Hons - UTS)
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