SecTransformCustomGetAttribute(_:_:_:)
Gets an attribute value from a custom transform.
Declaration
func SecTransformCustomGetAttribute(_ ref: SecTransformImplementationRef, _ attribute: SecTransformStringOrAttribute, _ type: SecTransformMetaAttributeType) -> CFTypeRef?Parameters
- ref:
A Sectransformimplementationref that is bound to an instance of a custom transform.
- attribute:
The name or the attribute handle of the attribute whose value is to be retrieved. When using a name, see Transform Attributes for a list of valid key names.
- type:
The type of data to be retrieved for the attribute. See the discussion on Sectransformmetaattributetype for details.
Return Value
The value of the attribute.