pbmpscale(1)                General Commands Manual               pbmpscale(1)

       pbmpscale - enlarge a portable bitmap with edge smoothing

       pbmpscale N [ pbmfile ]

       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.

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

       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
       express or implied warranty.

       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)
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