Pixel data of an image

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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.

score 2 · Accepted Answer · edited May 23 '17 at 12:02

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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/

edited May 23 '17 at 12:02

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answered Apr 26 '11 at 05:46

Jhaliya - Praveen Sharma

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Thanks..Did you ever play with floodfilling algorithms in objective c – Sat Apr 27 '11 at 09:27

Pixel data of an image

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