A list of bit-field constants used within the 'flags' field of the .. data:: FT_Open_Args structure.
FT_OPEN_MEMORY
This is a memory-based stream.
FT_OPEN_STREAM
Copy the stream from the 'stream' field.
FT_OPEN_PATHNAME
Create a new input stream from a C path name.
FT_OPEN_DRIVER
Use the 'driver' field.
FT_OPEN_PARAMS
Use the 'num_params' and 'params' fields.