kCIImageContentAverageLightLevel

Static kCIImageContentAverageLightLevel 

Source
pub unsafe static kCIImageContentAverageLightLevel: &'static CIImageOption
Available on crate feature CIImage only.
Expand description

A value for overriding the automatic behavior of the Content Average Light Level property when creating an image.

The value for this key should be an NSNumber instance.

See also Apple’s documentation