Hello, I had similar problem when making a layer rotation over the z
axis, so if I understood good, if I Have an even Width/Height of the
layer, I should reposition it after the rotation on a pixel, and if I
have an odd Width/Height, then in a half pixel?. Am I right, maybe I
can apply this theory to my problem when rotating the layer, which in
fact would be simply modifying the layer by +/- 1 pixel to make it
even in both dimensions.
Gustavo
On 19.1.2009, at 19:21, David Duncan wrote:
On Jan 17, 2009, at 4:30 PM, Joe Wildish wrote:
Anyway, I did find a post on this list that mentions a similar
problem (http://www.cocoabuilder.com/archive/message/cocoa/2008/12/13/225352
). However, in my case I am not applying any transforms to the
layer hierarchy, and I am also ensuring that the frame origin of
each object is drawn at a "whole number" point (both of these
things are mentioned as potential causes in that thread).
Your suffering from the same problem as above. The frame origin is
not what matters, but rather the layer's position (all aspects of
the frame are synthesized from other properties of the layer).
Depending on if your layer's dimensions are odd or even the position
should be on the pixel or on the half pixel to avoid antialiasing
like this.
--
David Duncan
Apple DTS Animation and Printing
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