dictionaryRepresentation(forAuxiliaryDataType:)
Returns a dictionary of primitive map information to use when writing an image file with a semantic segmentation matte.
Declaration
func dictionaryRepresentation(forAuxiliaryDataType outAuxDataType: AutoreleasingUnsafeMutablePointer<NSString?>?) -> [AnyHashable : Any]?Parameters
- outAuxDataType:
On output, the auxiliary data type to be used when calling the ImageIO framework’s Cgimagedestinationaddauxiliarydatainfo(_:_:_:) function. Currently supported auxiliary data types are enumerated in
CGImageProperties.
Return Value
A dictionary of CGImageDestination-compatible semantic segmentation matte information, or nil if the auxiliary data type is unsupported.