kCGImageDestinationEmbedThumbnail
A Boolean value that indicates whether to embed a thumbnail for JPEG and HEIF images.
Declaration
let kCGImageDestinationEmbedThumbnail: CFStringDiscussion
The value of this key must be a CFBoolean value. The default value is kCFBooleanFalse.
See Also
Configuring the Image Behaviors
kCGImageDestinationLossyCompressionQualitykCGImageDestinationBackgroundColorkCGImageDestinationDateTimekCGImageDestinationImageMaxPixelSizekCGImageDestinationMetadatakCGImageDestinationMergeMetadatakCGImageDestinationOptimizeColorForSharingkCGImageDestinationOrientationkCGImageDestinationPreserveGainMapkCGImageMetadataShouldExcludeGPSkCGImageMetadataShouldExcludeXMP