I will attach a fairly self-explanatory testcase. Basically, given a two-color image input being scaled up by a factor of 10, we get output where the color varies continuously across the image, not just at the boundaries of the original color blocks.
If you look closely at the screenshot with GIMP or something, it appears that the the original image was dithered and we've scaled up the dithering, which is where the artifacts come from. One could argue that this is "by design" but it doesn't seem like a great result. Anyway it's no doubt a Mozilla issue so I'll stop spamming Carl.
I can see it in FF 1.5 and FF 2. But I can't reproduce it with trunk. Can somebody else confirm too that this bug isn't valid anymore?
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