UIView antialiasing
UIView antialiasing
- Subject: UIView antialiasing
- From: Conrad Shultz <email@hidden>
- Date: Thu, 19 Aug 2010 13:21:48 -0700
Hi all,
I have what I feel should be a stupidly simple question but the answer is eluding me.
I have a custom UIView (actually, UIControl) that uses Core Graphics to draw its content. This works fine. I then rotate the UIView (using the transform property of the view), which gives a rotated view but with edge aliasing.
This is my problem: how do I properly antialias a rotated UIView? I naively tried calling in the drawing code what I would think are the relevant functions (e.g. CGContextSetAllowsAntialiasing and CGContextSetShouldAntialias) but they have no effect.
This matter has been discussed somewhat online (e.g. http://stackoverflow.com/questions/2465645/how-to-anti-alias-layers-in-iphoneos) but the proposed solution - adding a one pixel transparent border - seems clumsy and inelegant, which makes me wonder if there's a better way.
Any ideas?
Thanks in advance.
(P.S.- I apologize if this has been discussed here before; Apple's list archive search is being unresponsive for me.)
--
Conrad Shultz
www.synthetiqsolutions.com_______________________________________________
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