pbmpscale

pbmpscale(1)                General Commands Manual               pbmpscale(1)

NAME
       pbmpscale - enlarge a portable bitmap with edge smoothing

SYNOPSIS
       pbmpscale N [ pbmfile ]

DESCRIPTION
       Reads  a  portable  bitmap  as input, and outputs a portable bitmap en-
       larged N times. Enlargement is done by pixel replication, with some ad-
       ditional smoothing of corners and edges.

SEE ALSO
       pnmenlarge(1), ppmscale(1), pbm(5)

AUTHOR
       Copyright (C) 1990 by Angus Duggan Copyright (C) 1989 by Jef Poskanzer.

       Permission  to  use, copy, modify, and distribute this software and its
       documentation for any purpose and without fee is hereby  granted,  pro-
       vided  that  the  above  copyright notice appear in all copies and that
       both that copyright notice and this permission notice  appear  in  sup-
       porting  documentation.   This software is provided "as is" without ex-
       press or implied warranty.

NOTES
       pbmpscale works best for enlargements of 2. Enlargements greater than 2
       should be done by as many enlargements of 2 as possible, followed by an
       enlargement by the remaining factor.

                                  12 Dec 1990                     pbmpscale(1)