Monthly Archives: October 2012

Geofencing Followup

In a previous post I wrote up some discoveries I had made about using geofencing — region monitoring in iOS parlance — based on some testing I had done. I have since applied those experiments to a real world application and made some new discoveries, which follow.

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Composite Images using Image Masks

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.

Posted in: iDevBlogADay