On Oct 11, 2012, at 11:38 AM, Corbin Dunn <corb...@apple.com> wrote:
> > On Oct 11, 2012, at 10:27 AM, Matt Neuburg <m...@tidbits.com> wrote: > >>> (1) CATextLayer in iOS 6 requires an opaque background in order to >>> antialias text. CATextLayer in iOS 5 did not have this limitation; it could >>> antialias its text perfectly well even if its background was transparent. >>> Why the change? I'm guessing that it's an efficiency boost. >> >> I may be confused about this one. I was put off by the fact that my text >> looks awful on the full-sized Retina simulator, but now it appears that it >> *always* looked awful on the full-sized Retina simulator. It seems that >> CATextLayer is **drawing** the text, not using the text system. So now I >> have a different problem, namely that I don't understand the note at the top >> of the CATextLayer class docs, since my text drawing in CATextLayer looks >> the same with or without an opaque background. m. > > Well, remember CA runs on both MacOS and iOS. It isn't about anti-aliasing; > it is sub-pixel anti-aliasing (aka: font smoothing), which is different. iOS > does not have font smoothing, but Mac OS does. The comment applies to MacOS. Thanks! I've filed a note against the documentation. m. -- matt neuburg, phd = m...@tidbits.com, http://www.apeth.net/matt/ pantes anthropoi tou eidenai oregontai phusei Programming iOS 5! http://shop.oreilly.com/product/0636920023562.do RubyFrontier! http://www.apeth.com/RubyFrontierDocs/default.html TidBITS, Mac news and reviews since 1990, http://www.tidbits.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
