How to convert a UIImage into NSData

You can store a UIImage (or an NSImage on Mac) as raw data. This can be useful if you’d like to save this in Core Data.

Here’s how you convert a UIImage into NSData:

To convert NSData back to a UIImage, you can do this:

The UIImage class is not available on Mac OS X, but its counterpart NSImage is almost identical.

http://stackoverflow.com/questions/6476929/convert-uiimage-to-nsdata

NSValueTransformer

Core Data can convert images to and from data on the fly by using an NSValueTransformer.
Here’s one that works for images:

Jay is the CEO and founder of WP Hosting, a boutique style managed WordPress hosting and support service. He has been working with Plesk since version 9 and is a qualified Parallels Automation Professional. In his spare time he likes to develop iOS apps and WordPress plugins, or draw on tablet devices. He blogs about his coding journey at http://wpguru.co.uk and http://pinkstone.co.uk.

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