def encode(self):
        """Encode this matrix in binary suitable for including in a PDF"""
        return '{:.6f} {:.6f} {:.6f} {:.6f} {:.6f} {:.6f}'.format(
            self.a, self.b, self.c, self.d, self.e, self.f
        ).encode()
def encode ( self ) : return '{:.6f} {:.6f} {:.6f} {:.6f} {:.6f} {:.6f}' . format ( self . a , self . b , self . c , self . d , self . e , self . f ) . encode ( )
Encode this matrix in binary suitable for including in a PDF