.PHONY: R-clean R-distclean

CAT = cat
ECHO = echo
EPSTOPDF = epstopdf
R = R

RFLAG = --slave --vanilla

# used by R postscript device.
# For details, type '?postscriptFonts' in R.
psfamily ?= Japan1

%.eps.R: %.R
	@$(ECHO) 'postscript(file="$(subst .R,.eps,$<)",family="$(psfamily)", onefile=F, horizontal=F)' >$@
	@$(CAT) $< >>$@
	@$(ECHO) 'invisible(dev.off())' >>$@

%.eps: %.eps.R
	$(R) $(RFLAG) <$<

%.pdf: %.eps
	$(EPSTOPDF) $<

%.png.R: %.R
	@$(ECHO) 'png("$(subst .R,.png,$<)")' >$@
	@$(CAT) $< >>$@
	@$(ECHO) 'invisible(dev.off())' >>$@

%.jpeg.R: %.R
	@$(ECHO) 'jpeg("$(subst .R,.jpeg,$<)")' >$@
	@$(CAT) $< >>$@
	@$(ECHO) 'invisible(dev.off())' >>$@

# install.packages("RSVGTipsDevice")
%.svg.R: %.R
	@$(ECHO) 'library("RSVGTipsDevice")' >$@
	@$(ECHO) 'devSVGTips("$(subst .R,.svg,$<)")' >>$@
	@$(CAT) $< >>$@
	@$(ECHO) 'invisible(dev.off())' >>$@

%.png: %.png.R
	$(R) $(RFLAG) <$<

%.jpeg: %.jpeg.R
	$(R) $(RFLAG) <$<

%.svg: %.svg.R
	$(R) $(RFLAG) <$<

R-clean:
	$(RM) *.pdf.R *.png.R *.jpeg.R *.svg.R *.eps.R

R-distclean: R-clean
	$(RM) $(subst .R,.pdf,$(wildcard *.R)) $(subst .R,.png,$(wildcard *.R))  $(subst .R,.jpeg,$(wildcard *.R)) $(subst .R,.svg,$(wildcard *.R)) $(subst .R,.eps,$(wildcard *.R))