.TH pnmcomp 1 "21 February 1989"
.IX pnmcomp
.SH NAME
pnmcomp - composite two portable anymap files together
.SH SYNOPSIS
.B pnmcomp
.RI [ -invert ]
.RI [ -xoff N ]
.RI [ -yoff N ]
.RI [ -alpha pgmfile ]
.RI overlay
.RI [ pnm-input ]
.RI [ pnm-output ]
.SH DESCRIPTION
Reads in a portable any map image and put a overlay upon it, with optional
alpha mask.  The 
.I -alpha pgmfile
allows you to also add an alpha mask file to the compositing process, the
range of max and min can be swapped by using the
.I -invert 
option.
The
.I -xoff
and
.I -yoff
arguments can be negative, allowing you to shift the overlay off the
top corner of the screen.
.SH "SEE ALSO"
pbmplus(1)
.SH AUTHOR
Copyright (C) 1992 by David Koblas (koblas@mips.com).
.\" Permission to use, copy, modify, and distribute this software and its
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.\" implied warranty.