#! /bin/sh
# This script tests: pnmcolormap
# Also requires: pnmremap pnmpsnr

tmpdir=${tmpdir:-/tmp}
map=${tmpdir}/map.ppm

echo "Test.  Should print 'match' eight times."
# Threshold values (targetN=xx.xx) here were produced by calculating
# the S/N ratio with reduced colors.

# colors in following tests / colors for calculating threshold
# 100 /  90
# 200 / 180
#  32 /  24

pnmcolormap 100 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=33.75 -target2=35.15 -target3=34.48 testimg.ppm -
rm ${map}

pnmcolormap -meancolor 100 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=35.05 -target2=36.86 -target3=36.05 testimg.ppm -
rm ${map}

pnmcolormap -meanpixel 100 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=35.01 -target2=36.80 -target3=36.08 testimg.ppm -
rm ${map}

pnmcolormap -spreadluminosity 100 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=33.71 -target2=32.89 -target3=34.14 testimg.ppm -
rm ${map}

pnmcolormap -splitcolorct 100 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=33.97 -target2=35.34 -target3=34.23 testimg.ppm -
rm ${map}

pnmcolormap -splitspread 100 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=32.98 -target2=35.09 -target3=33.15 testimg.ppm -
rm ${map}

pnmcolormap 200 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=36.01 -target2=37.07 -target3=36.60 testimg.ppm -
rm ${map}

pnmcolormap 32 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
  pnmpsnr -target1=28.31 -target2=30.63 -target3=30.26 testimg.ppm -
rm ${map}