On Dec 16, 2008, at 10:49 PM, Ashim D'Silva wrote:
I always round everything I place. That was one of the first things I
checked. Rotated bitmaps and text often have this problem, which is
fair
enough because half pixels don't exist.
Actually, they do. The native coordinate space for Flash is a twip,
which is 1/20th of a pixel. The rasterizer in Flash has to do some
funky stuff anyway with rotated content.
There are some really annoying display bugs in Flash for this -
consider a nice vector shape that's rotated through AS very, very
slowly. You'll actually see it jump around when zoomed up. I
discovered this one when rendering content for a 1080p animation
project ... so annoying.
One of the most interesting tests is to create a rounded rectangle
and add a 1 pixel border line around it. Notice it looks funky and
isn't smooth. Position the rounded rectangle on a half pixel (+0.5 on
x and y). It's all nice and smooth again.
cheers,
jon
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