pub unsafe static kCIImageRepresentationHDRGainMapImage: &'static CIImageRepresentationOptionAvailable on crate feature
CIContext only.Expand description
An optional key and value to save a gain map channel to a JPEG or HEIF.
The value for this key needs to be a monochrome CIImage instance.
If the kCIImageRepresentationHDRGainMapAsRGB option it true, then it needs to
be an RGB CIImage instance.
The /CIImage/properties should contain metadata information equivalent to what is returned when
initializing an image using kCIImageAuxiliaryHDRGainMap.
See also Apple’s documentation