Reading luma values from image
hi,
i'd make create plugin changes image's saturation based on luma values, similar davinci resolve's lum vs sat curve.
how can read luma values of image? couldn't find image manipulation methods in sdk, perhaps i'm not looking @ right place.
thanks
attached lum vs sat curve dr.
the sdk api won't let change individual pixel values, think required change saturation of pixel based on luminosity.
the sdk let change same develop settings can change in user interface (e.g. exposure), via photo:applydeveloppreset(), undocumented photo:applydevelopsettings(), , lrdevelopcontroller. none of sliders in user interface let accomplish end, can't sdk.
you write external editing application (e.g. in c++ or swift) provides such feature tiffs. you'd interface lr "external editing plugin", nik plugins. don't think you're thinking of.
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