Pixel data of an image [duplicate]

Thi开发者_Python百科s question already has answers here: Closed 11 years ago.

Possible Duplicate:

How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?

I want to get a UIImage's pixel values as an array. I am really searching for a predefined function like getallPixel(theImage). How can I figure this out? Any help is appreciated.

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Check the SO post

How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?

Here is the blog post for image manipulation retrieving and updating pixel values for a UIImage

http://brandontreb.com/image-manipulation-retrieving-and-updating-pixel-values-for-a-uiimage/