Creates a new immutable data with the bitmap representation from the given character set.
- iOS 2.0+
- macOS 10.0+
- tvOS 9.0+
- watchOS 2.0+
- Core Foundation
The allocator to use to allocate memory for the new object. Pass
NULLor kCFAllocatorDefault to use the current default allocator.
The set from which to create a bitmap representation. Refer to the comments for
CFCharacterfor the detailed discussion of the bitmap representation format.
Set Create With Bitmap Representation(_: _:)
A new CFData object containing a bitmap representation of
the. Ownership follows the The Create Rule.