# GNU makefile for deriving the various sintel file options

TIFFDIR := ../sintel-4k-tiff
PNGDIR  := ../sintel-4k-png

TIFFS := $(wildcard $(TIFFDIR)/*.tif $(TIFFDIR)/*.tiff)
PNGS := $(addsuffix .png,$(basename $(notdir $(TIFFS))))
PNGS := $(patsubst %,$(PNGDIR)/%, $(PNGS))

all: $(PNGS)

print:
	@echo $(TIFFS)
	@echo $(PNGS)

$(PNGDIR)/MD5SUMS.txt: $(PNGS)
	cd $(PNGDIR) && md5sum $(PNGS) > $@

$(PNGDIR)/%.png: $(TIFFDIR)/%.tif
	convert $< $@
	mv $@ $@.tmp
	pngcrush -q -srgb 0 -rem pHYs -rem vpAg \
	  -text b Title 'Sintel' \
	  -text b Author 'Blender Foundation | www.sintel.org' \
	  -text b Date 2011 \
	  $@.tmp $@ && rm $@.tmp
	advdef -q -z4 $@

.PHONEY: all print