Which preposition to use with enframe

in Occurrences 1%

Mrs. Julaper, a little paler than usual, opened her door, and stood with the handle in her hand, making a little curtsey, enframed in the door-case; and Sir Bale, being in a fume, when he saw her, ceased whacking the panels of the corridor, and stamped on the floor, crying, "Upon my soul, ma'am, I'm glad to see you!

Which preposition to use with  enframe