# Last edited on 2009-02-11 22:51:44 by stolfi
# Make a Postscript file that prints a gray reflectance scale.

# Last edited on 2009-02-11 21:08:22 by stolfi

PROG := make-pbm-gray-scale
PROGDIR := ..

TESTS := \
  1024:1024 \
  

.PHONY: all single

all: 
	for t in ${TESTS}; do \
          ${MAKE} TEST="$$t" single ; \
        done

########################################################################
# Section for recursive "make single" -- client must define ${TEST}

ifneq "/${TEST}" "/"
FIELDS := ${subst :, ,${TEST}}
NH := ${word 1, ${FIELDS}}
NV := ${word 2, ${FIELDS}}

OUTFILE := out/${NH}x${NV}.pbm

single: ${PROGDIR}/${PROG}
	  ${PROGDIR}/${PROG} \
              -size ${NH} ${NV} \
            > ${OUTFILE}
	display -filter box -resize '200%' ${OUTFILE}

endif
# End ${TEST} section.
########################################################################