Function

SecTransformCopyExternalRepresentation(_:)

Creates a dictionary that contains enough information to be able to recreate a transform.

Declaration

func SecTransformCopyExternalRepresentation(_ transformRef: SecTransform) -> CFDictionary

Parameters

transformRef

The transformRef to be externalized.

Discussion

This function returns a CFDictionaryRef that contains sufficient information to be able to recreate this transform. You can pass this CFDictionaryRef to SecTransformCreateFromExternalRepresentation to be able to recreate the transform. The dictionary can also be written out to disk using the techniques described here.

http://developer.apple.com/mac/library/documentation/CoreFoundation/Conceptual/CFPropertyLists/Articles/Saving.html

See Also