Get the values for the CXFORMWITHALPHA record.

def _get_struct_cxformwithalpha(self):
        """Get the values for the CXFORMWITHALPHA record."""
        obj = _make_object("CXformWithAlpha")
        bc = BitConsumer(self._src)

        obj.HasAddTerms = bc.u_get(1)
        obj.HasMultTerms = bc.u_get(1)
        obj.NBits = nbits = bc.u_get(4)

        if obj.HasMultTerms:
            obj.RedMultTerm = bc.s_get(nbits)
            obj.GreenMultTerm = bc.s_get(nbits)
            obj.BlueMultTerm = bc.s_get(nbits)
            obj.AlphaMultTerm = bc.s_get(nbits)

        if obj.HasAddTerms:
            obj.RedAddTerm = bc.s_get(nbits)
            obj.GreenAddTerm = bc.s_get(nbits)
            obj.BlueAddTerm = bc.s_get(nbits)
            obj.AlphaAddTerm = bc.s_get(nbits)

        return obj