Drawing with Quartz on iOS
A couple of weeks ago I gave a presentation entitled “Drawing with Quartz on iOS” to the Minnesota CocoaHeads group. We had a big crowd that night and I hope you all enjoyed it. The slide deck is...
View ArticleA funny thing happened on the way to the ARC
As I was preparing to post the QuartzDemos project on GitHub I decided to modernize the project and covert it to use Automatic Reference Counting (ARC). Overall this was fairly easy to do despite some...
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iOS 5 Face Detection with Core Image
One of the great new features of iOS 5 is the addition of the Core Image (CI) framework. This framework has been available for a few years on the Mac, but now its advanced image processing and...
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