########################################################################
# Render SVG callouts into PNG
########################################################################
.SUFFIXES:
.SUFFIXES: .eps .png .svg

CALLSIZE	=16

# Need the "librsvg2" RPM for this
%.png:	%.svg
	rsvg -f png -h ${CALLSIZE} -w ${CALLSIZE} $< $@

# Need the "ImageMagick" RPM for this
%.eps:	%.png
	convert $< $@

# If you change ${NCALLOUTS} from '15' then you need to set the 
# <xsl:param name="callout.graphics.number.limit" select="'15'"/>
# stylesheet parameters in "../xsl/".  Probably easier not to mess
# with changing ${NCALLOUTS}.

NCALLOUTS	=15
CALLSVG	:=$(foreach n,$(shell seq 1 ${NCALLOUTS}),${n}.svg)
CALLPNG	=${CALLSVG:.svg=.png}
CALLEPS	=${CALLSVG:.svg=.eps}

all::	${CALLPNG} ${CALLEPS}

${CALLSVG}:: Makefile callout.svg
	sed -e "s/XX/$(shell basename $@ .svg)/g" callout.svg >$@

clean::
	${RM} ${CALLSVG}

distclean:: clean
	${RM} ${CALLPNG} ${CALLEPS}