kCIInputShadingImageKey

Static kCIInputShadingImageKey 

Source
pub unsafe static kCIInputShadingImageKey: &'static NSString
Available on crate feature CIFilter only.
Expand description

A key to get or set the environment map image of a Core Image filter that maps normal directions to a color with alpha.

The value for this key needs to be a CIImage instance.

See also Apple’s documentation