How to decrease the Shadow and increase Highlight using GPUImageHighlightShadowFilter as like photoshop?

cats-oss / android-gpuimage

Android filters based on OpenGL (idea from GPUImage for iOS)

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Open ZeroOneZeroR opened 5 years ago

ZeroOneZeroR commented 5 years ago

Shadow value can only be increased(from to 1) and Highlight be reduced (from 1 to 0). How can i reverse these?