opengl es - iphone - Sharpen UIImage -

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i want sharpen images in app.

i found post

how sharp/blur uiimage in iphone?

and had @ apple's sample

glimageprocessing

but opengl es thing killed brain cells lot , still don't it.

so, can pls give me piece of helper code sharpen uiimage?

thanks

this library might need - has image sharpen method. came across myself, haven't tried yet. let me know if works ;)

https://github.com/esilverberg/ios-image-filters


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