size=1024
filter=

for k in {8..4}; do \
	qrencode --background="00000000" --output qr-kyu-${k}.png "http://cwsvjudo.bplaced.net/participo/kyu.php?kyu=${k}";\
	convert qr-kyu-${k}.png -background Transparent label:'Videos' +swap -gravity Center -append -rotate -90 qr-kyu-${k}-labeled.png;\
	for i in A B; do \
		convert kyu-${k}-${i}.png -resize ${size}x kyu-${k}-${i}-${size}.png;\
	done;\
	convert kyu-${k}-A-${size}.png qr-kyu-${k}-labeled.png -gravity northeast -geometry +10+10 -composite kyu-${k}-A-${size}-qr.png;\
	convert kyu-${k}-A-${size}-qr.png kyu-${k}-B-${size}.png kyu-${k}.pdf;\
	pdfjam --nup 1x2 kyu-${k}.pdf '1,1,2,2' --outfile kyu-${k}-a4druck.pdf;\
done;