Copyright (C) 1992, Digital Equipment Corporation                         
 All rights reserved.                                                      
 See the file COPYRIGHT for a full description.                            
 Last modified on Wed Dec 21 18:31:47 PST 1994 by heydon                   

Extensions to the VBT interface.

IMPORT VBT, Font, Rect;

PROCEDURE TightBoundingBox(v: VBT.Leaf; txt: TEXT; fnt: Font.T): Rect.T;
Return the smallest rectangle enclosing the ink resulting from painting txt at the origin on v's screentype in the font fnt. If v's screentype is NIL, the result is a rectangle whose southwest corner is the origin, and whose height is 1 and whose width is the length of txt. Requires v # NIL and txt # NIL.

END VBTExtras.