SIZES	= 25 50 100 200
IMGS	= max80.svg
REDUCE	= -colors 4

all:	Prisma-MAX.woff2 Charm-Bold-PoP.woff2
	for f in $(SIZES); do $(MAKE) SIZE=$$f imgs; done

imgs:	$(patsubst %.svg,%-$(SIZE).png,$(IMGS))

%-$(SIZE).png: %.svg
	convert -antialias -resize x$(SIZE) $<  \
		$(REDUCE) -auto-level \
		-negate -alpha copy -negate $@

Prisma-MAX.woff2: Prisma.otf
	pyftsubset $< --output-file=$@ --text='MAX' \
		--desubroutinize --flavor=woff2 --recalc-bounds

Charm-Bold-PoP.woff2: Charm-Bold.ttf
	pyftsubset $< --output-file=$@ --text='Peter & Per' \
		--desubroutinize --flavor=woff2 --recalc-bounds

clean:
	for f in $(patsubst %.svg,%,$(IMGS)); do rm -f "$$f"-*.png; done
	rm -f Prisma-MAX.woff2

spotless: clean