Gets the font face that this scaled font uses. This might be the
font face passed to cairo.ScaledFont(), but this does not
hold true for all possible cases.
This function returns the Cairo font face with which the scaled font was
created. This object is owned by cairo. To keep a reference to it,
you must call cscaledfont:Reference().
Inputs
none
Results
font
the Cairo font face with which the scaled font was created