#!/bin/sh
# fontforge accepts XPMs only

conv() (
	bn=$1
	mkdir -p "$bn.xpm"
	cd "$bn.x" || exit
	for f in *.blk; do
		{
			echo '/* XPM */'
			echo 'static char * _[] = {'
			echo \"$w $h 2 1\",
			echo \"1 m black\",
			echo \"0 m white\",
			sed -e 'y/█ /01/' -e 's/^/"/' -e 's/$/",/' -e '$s/,$//'
			echo '};'
		} < "$f" > "../$bn.xpm/${f%.blk}.xpm"
	done
	wait
)

for f in *.x; do
	read -r h w _ < $f-metrics
	conv ${f%.x}
done