How to use various effect or filters in iphone cam

问题:

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Closed 7 years ago.

Possible Duplicate:
How to apply “filters” to AVCaptureVideoPreviewLayer

Hello i want to use various effect and filters in my camera application Effects include sepia, black and white,Anaglyph, swirl, neon light, rainbow, emboss, any tutorials ,example please help

Thanks in Advance

回答1:

Brad Larson's GPUImage framework provides a large number of GPU accelerated effects. Just integrate the GPUImage framework into your project and use the filters as you need. It's easy to implement.

Tutorial http://www.raywenderlich.com/5689/beginning-core-image-in-ios-5

回答2:

You have to use Core Image Filter Reference there is option that you can even change color of each pixel..

https://developer.apple.com/library/mac/#documentation/GraphicsImaging/Reference/CoreImageFilterReference/Reference/reference.html

Hope this will help you...