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RedHat 9 (Linux i386) - man page for pbmpscale (redhat section 1)

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 enlarged N times. Enlargement is done by pixel replication, with some addi- tional 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 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)