Retrieving a pixel alpha value for a UIImage (MonoTouch)

Posted by Larry OBrien on Stack Overflow See other posts from Stack Overflow or by Larry OBrien
Published on 2010-04-08T02:28:41Z Indexed on 2010/04/08 2:33 UTC
Read the original article Hit count: 357

Filed under:

monotouch

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uiimage

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pixel

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uikit

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unsafe

This question is a duplicate of 1042830, but MonoTouch-specific. Is there a way that's safer than allocating an IntPtr, drawing into it using CGBitmapContext and then reading bytes at the appropriate offset?

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