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It's because the GIF arrow is anti-aliased. You always want to anti-alias after sizing, lest it look like that, but you can't do that in a bitmapped image.
by amalcon 14y ago
It's because the GIF arrow is anti-aliased. You always want to anti-alias after sizing, lest it look like that, but you can't do that in a bitmapped image.
- mark-r 14y agoI don't think anti-aliasing is the explanation. I had a look at the GIF zoomed up in Paint.NET and there's nothing unusual about it, just the gray triangle with some lighter-shade pixels around the edges. I think the browser has a flaw when enlarging images with transparency - eliminating the transparency around the arrow would probably fix everything.