How to render a CALayer with a different blending mode, like screen or multiply?

Posted by mystify on Stack Overflow See other posts from Stack Overflow or by mystify
Published on 2010-05-30T15:52:58Z Indexed on 2010/05/30 16:02 UTC
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I have a UIImageView and want it to be displayed with a specific blend mode. I know the iPhone has different blend modes, and it's probably possible to do it with a lot of CG code...but maybe there's a nice way with the CALayer of UIImageView?

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