Image I/O Functions TopicsFunctionsCGImageDestinationAddImageAndMetadata(_:_:_:_:)CGImageDestinationCopyImageSource(_:_:_:_:)CGImageSourceCopyMetadataAtIndex(_:_:_:)CGImageSourceRemoveCacheAtIndex(_:_:)CGImageSourceSetAllowableTypes(_:) See AlsoReferenceImage I/O ConstantsImage I/O Macros