# Makefile - Don Yang (uguu.org)
#
# 10/01/09

width = 170
height = `perl -e 'print int($(width) * 0.5 * 1633.0 / 1867.0)'`

all: koyomi.txt

koyomi.txt: koyomi-gray.txt koyomi-black.txt
	sed -e 's/X/_/g' koyomi-black.txt | perl merge_text.pl koyomi-gray.txt - | perl trim_space.pl > $@
	perl freq.pl $@

koyomi-gray.txt: koyomi.png Makefile
	perl anytotxt.pl $< $(width) $(height) > $@

koyomi-black.txt: koyomi-black.pgm Makefile
	perl anytotxt.pl $< $(width) $(height) > $@

koyomi-black.pgm: koyomi.png
	pngtopnm $< | pamthreshold -simple -threshold=0.9 > $@

clean:
	-rm -f koyomi.txt koyomi-black.txt koyomi-gray.txt koyomi-black.pgm

backup:
	-rm -f backup.tar.gz
	tar cf backup.tar *.pl *.cdr Makefile
	gzip -9 backup.tar