Returns by indirection the receiver’s compression type and compression factor.
- macOS 10.0+
On return, an
enumconstant that represents the compression type used on the data; it corresponds to one of the values returned by the class method
TIFFCompression Types(_: count:)
A float value that is specific to the compression type. Many types of compression don’t support varying degrees of compression and thus ignore
factor. JPEG compression allows a compression factor ranging from 0.0 to 1.0, with 0.0 being the lowest and 1.0 being the highest.
Use this method to get information on the compression type for the source image data.