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#!@PERL@

# compface/uncompface
#   ftp://metalab.unc.edu/pub/Linux/apps/graphics/convert/
$UNCOMPFACE = "uncompface";

$XF = @ARGV ? shift @ARGV : '-';
$XBM = @ARGV ? shift @ARGV : '-';

open(XF, "<$XF");
$xf = "";
while(<XF>) {
#	s/^X-Face://i if ($xf eq "");
	$xf .= $_;
}
close(XF);

pipe(R, W2);
pipe(R2, W);
if (! fork()) {
	close(R);
	close(W);
	open(STDIN, "<&R2");
        open(STDOUT, ">&W2");
	exec $UNCOMPFACE;
	exit 1;
}
close(R2);
close(W2);
print W $xf;
close(W);
while(<R>) {
	while(s/0x(..)(..)//) {
		push(@bm, hex($1), hex($2));
	}
}
close(R);
@bm || exit 1;

$W = 48;
$H = @bm * 8 / $W;	# must be 48
open(XBM, ">$XBM");
print XBM <<EOF;
#define xf_width $W
#define xf_height $H
static char xf_bits[] = {
EOF
while (@bm) {
	for (1..6) {
		$x = shift @bm;
		$y = 0;
		for $i (1 .. 8) {
			$y |= ($x & 1) << (8 - $i);
			$x >>= 1;
		}
		printf XBM " 0x%02X,", $y;
	}
	print XBM "\n";
}
print XBM <<EOF;
};
EOF
close(XBM);