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I want to imitate the blending of the soft light layer of the Photoshop layer in iOS

In Photoshop, a layer can be mixed with the layer below it, using many different methods, that is, Normal, Dissolve, Darken, Soft Light, etc. I would like to duplicate this effect programmatically in iOS using the main api graphics. Any ideas?

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You cannot apply different blending modes between CALayers (at least on iOS), but if you implement -drawRect: or otherwise create an image, you can, of course, use soft blending of light using the kCGBlendModeSoftLightCoreGraphics blend mode.

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iOS Core Graphics , : https://github.com/esilverberg/ios-image-filters

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Source: https://habr.com/ru/post/1788094/

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