.TH FBROT 1 25-Jun-90
.CM 3
.SH NAME
fbrot \- rotate an image 90, 180 or 270 degrees
.SH SYNOPSIS
.nf
fbrot [ -<type> ] [ -90 | -180 | -270 ] < bitmap > bitmap
.fi
.SH DESCRIPTION
.PP
Rotate an image in increments of 90 degrees.
The direction is clockwise.
The default is 90 degrees clockwise.
.SH OPTIONS
.TP
.B -90, -180, -270
amount of clockwise rotation  inb degrees.
.TP
.BR -B
.I face
format, as used by Bennet Yee's
.I face
program at CMU. 
.TP
.BR -F
.I FBM,
format (by default, the default).  You are guaranteed not
to lose information by specifying FBM as the default.
.TP
.BR -G
.I GIF,
Compuserve GIF format.
.TP
.BR -I
.I IFF
format, interleaved bitmaps (ILBM), used by Amigas.
.TP
.BR -P
.I PBM,
Jef Poskanzer's bitmap format.
.TP
.BR -S
.I sun,
Sun rasterfiles (not run length encoded).
.SH EXAMPLE
.PP
Rotate a Sun rasterfile 90 degrees:
.sp
    % fbrot -90 -S < foo.1bit > bar.1bit
.SH SEE ALSO
fbm(1) for general discussion, pbm(1) for PBM routines.
.SH BUGS
None known.
.SH HISTORY
Copyright (C) 1989,1990 by Michael Mauldin.  Permission is granted
to use this file in whole or in part for any purpose, educational,
recreational or commercial, provided that this copyright notice
is retained unchanged.  This software is available to all free of
charge by anonymous FTP and in the UUNET archives.
.TP
25-Jun-90  Michael Mauldin at Carnegie Mellon University
Release 1.0 mlm@cs.cmu.edu
.TP
07-Mar-89  Michael L. Mauldin at Carnegie Mellon University
Beta release (version 0.9) mlm@cs.cmu.edu