#!/bin/sh

CMD=pnmtoxf

trap 'r=$?; rm -f $tmpfile; exit $r' 0 1 2 3 13 15

[ $# -eq 0 ] && \
	{ echo "usage: $CMD black|white [pgmtopbm_options]" >&2; exit 1; }
bgcolor=$1; shift

tmpfile=$(mktemp ~/.CMD.XXXXXX) || exit 1
pnmscale -xysize 48 48 >$tmpfile
wh=$(pnmfile $tmpfile | sed -E 's/^.* ([0-9]+) by ([0-9]+).*$/\1 \2/')
w=${wh% *}; h=${wh#* }
x=$(((48 - $w) / 2)); y=$(((48 - $h) / 2))
pbmmake -$bgcolor 48 48 | pnmpaste $tmpfile $x $y | ppmtopgm | \
	pgmtopbm "$@" | pbmtoikon | compface
.