PBMPSCALE

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.