How to give effects to image in iOS? - ios

I want user to pick an image from gallery then user cab give multiple effects to the image like grey color,vintage,sepia,retro etc.I have searched a lot for the solution.Please guide how can i achieve this task?
Thanks in advance.

if you just simply wants apply the effects which you described you can use these
or you want to apply many different filters and also make new filters to apply on that images use GPUImage Framework
its very fast and easy..

Please try with this demo.
https://github.com/yackle/CLImageEditor
This is the better then anything.
Thanks

Use Core Image Framework by Apple. Cheers! This will help you

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I have got one image like this
to only black and white colored image.
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UPDATE
SO GOT THE BEST SOLUTION FROM #ale0xB's SUGGESTION.
No third party api is required for doing this as apple's COREIMAGE.FRAMEWORK is the best for doing what I want to do. It's filters are working like charm :)
Thanks for the suggestion :)
I use this image filter. And it is great in speed and provides great output :)
Why would you want to use imageMagick instead of the standard Core Image to produce black and White images? I haven't used it before, but I doubt it's gonna give a much better performance than the native framework when it's just about creating a filter.
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