calculateHDRStats(for:)
Given a Core Image image, use the receiving Core Image context to calculate its HDR statistics (content headroom and content average light level) and then return a new Core Image image that has the calculated values.
Declaration
func calculateHDRStats(for image: CIImage) -> CIImage?Parameters
- image:
An immutable Ciimage for which to calculate statistics.
Return Value
Returns a new CIImage instance that has the calculated statistics attached.
Discussion
If the image extent is not finite, then nil will be returned.