pub unsafe extern "C-unwind" fn SecTransformGetAttribute(
transform_ref: &SecTransform,
key: &CFString,
) -> Option<CFRetained<CFType>>
๐Deprecated: SecTransform is no longer supported
Available on crate feature
SecTransform
only.Expand description
Get the current value of a transform attribute.
Parameter transformRef
: The transform whose attribute value will be retrieved.
Parameter key
: The name of the attribute to retrieve.
Returns: The value of an attribute. If this attribute is being set as the output of another transform and SecTransformExecute has not been called on the transform or if the attribute does not exists then NULL will be returned.
This may be called after SecTransformExecute.
ยงSafety
transform_ref
should be of the correct type.