test/ppmtoarbtxt-roundtrip.test


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#! /bin/sh
# This script tests: ppmtoarbtxt
# Also requires: pnminvert pamtopnm

# Test.  Invert colors.
# Should print 1926073387 101484

tmpdir=${tmpdir:-/tmp}
headskl=${tmpdir}/headskl
bodyskl=${tmpdir}/bodyskl
inv_ppm=${tmpdir}/inv.ppm

cat > ${headskl} << EOF
P3
#(width) #(height)
255

EOF

cat > ${bodyskl} << EOF
#(ired %d 255 0) #(igreen %d 255 0) #(iblue %d 255 0)

EOF

ppmtoarbtxt ${bodyskl} -hd ${headskl} testimg.ppm | tee ${inv_ppm} |
  pnminvert | cksum


# Test 2.

cat ${inv_ppm} | ppmtoarbtxt ${bodyskl} -hd ${headskl} | pamtopnm | cksum

rm ${inv_ppm} ${bodyskl} ${headskl}