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 enlarged N times.
       Enlargement is done by pixel replication, with some additional 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, provided that the  above  copyright  notice
       appear in all copies and that both that copyright notice and this permission notice appear
       in supporting documentation.  This software is provided "as is" without express 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)