In my last post about dynamic pattern images , I showed how to create images on the fly for use as background pattern images. As promised, today I’ll show how to create composite images with cutouts using masks. … Continue reading →
The image handling capabilities available in iOS (and OS X for that matter) are pretty spectacular. Using only high level APIs, you can work with images quite easily. But lurking very close to the high level APIs is Core Graphics, … Continue reading →
Despite what Apple’s Human Interface Guidelines may say, sometimes you want to prevent your user from doing anything until some long-running task (like a network API call or a login task, for example) completes. How do you do that without … Continue reading →