On Oct 1, 2009, at 12:10 AM, Mikko Rantalainen wrote: > As you say, it makes sense to allow this for "high" resolution > source images. I think that the spec cannot specify reasonable exact > limit for changing from real rounding to ceil() method without > knowing the scaling algorithm. I would much rather see interoperability in terms of how many tiles are shown. I don't personally think the UA should be deciding based on resolution if it should widen the image or not. It does not do that for the the 'scale' keyword, where I can scale a raster image 1000 times bigger if I want. It also does not do that for border-image-width, where I can turn a 5px tall image slice into a border side that is 500px thick. The upscaling for round is really fine, even on auto sized raster images, in my view. Here is a test I did: http://www.bradclicks.com/cssplay/border-image/round-test1.html I think if the author didn't want upscaling with 'round' they would create the image tiles at a size that prevented it from happening.
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