On Oct 11, 2012, at 10:54 AM, David Duncan <[email protected]> wrote:
> On Oct 11, 2012, at 10:27 AM, Matt Neuburg <[email protected]> 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. > > > Did you set the contentsScale on your CATextLayer (or wrap it in a UIView)? > By default CALayers never change their contentsScale, so if you are just > using a plain CATextLayer without anything else to manage it, the > contentsScale will be 1 regardless of the screen's density, making for fairly > ugly text on Retina displays. Bingo and thank you, not necessarily in that order! Hmmm, now I need to figure out why this issue has not appeared on my other layers. Maybe it did and I just didn't notice… m. -- matt neuburg, phd = [email protected], 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 ([email protected]) 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 [email protected]
