How to implement a feather blending effect like photoshop?

BradLarson / GPUImage

An open source iOS framework for GPU-based image and video processing

BSD 3-Clause "New" or "Revised" License

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Open flashlizi opened 7 years ago

flashlizi commented 7 years ago

Does anybody know how to implement a feather blending effect just like photoshop?

thank you very much.