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|
#! /bin/sh
# This script tests: pnmcolormap
# Also requires: pnmremap pnmpsnr
tmpdir=${tmpdir:-/tmp}
map=${tmpdir}/map.ppm
echo "Test. Should print 'match' eighteen times."
# Threshold values (tgtN=xx.xx) were produced by calculating
# the S/N ratio when the original image is compared against a
# reference image with fewer colors than the target output image.
# colors in following tests / colors for calculating threshold
# 256 / 224
# 128 / 96 -splitspread
# 128 / 108 other
# 64 / 44 -center (default)
# 64 / 48 -splitspread
# 64 / 56 other
# -center
echo pnmcolormap 256
tgt1=37.19; tgt2=37.86; tgt3=37.77
pnmcolormap 256 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap 128
tgt1=34.46; tgt2=35.61; tgt3=34.97
pnmcolormap 128 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap 64
tgt1=30.30; tgt2=33.10; tgt3=31.74
pnmcolormap 64 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -meancolor 256
tgt1=38.36; tgt2=38.63; tgt3=38.95
pnmcolormap -meancolor 256 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -meancolor 128
tgt1=35.86; tgt2=37.17; tgt3=36.65
pnmcolormap -meancolor 128 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -meancolor 64
tgt1=33.64; tgt2=34.92; tgt3=34.44
pnmcolormap -meancolor 64 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -meanpixel 256
tgt1=38.40; tgt2=38.65; tgt3=38.90
pnmcolormap -meanpixel 256 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -meanpixel 128
tgt1=35.75; tgt2=37.13; tgt3=36.69
pnmcolormap -meanpixel 128 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -meanpixel 64
tgt1=33.75; tgt2=34.79; tgt3=34.53
pnmcolormap -meanpixel 64 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -spreadluminosity 256
tgt1=36.82; tgt2=36.87; tgt3=37.25
pnmcolormap -spreadluminosity 256 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -spreadluminosity 128
tgt1=34.61; tgt2=33.40; tgt3=34.66
pnmcolormap -spreadluminosity 128 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -spreadluminosity 64
tgt1=32.35; tgt2=30.23; tgt3=32.35
pnmcolormap -spreadluminosity 64 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -splitcolorct 256
tgt1=37.55; tgt2=38.37; tgt3=38.04
pnmcolormap -splitcolorct 256 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -splitcolorct 128
tgt1=34.84; tgt2=35.72; tgt3=34.64
pnmcolormap -splitcolorct 128 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -splitcolorct 64
tgt1=31.56; tgt2=33.74; tgt3=32.93
pnmcolormap -splitcolorct 64 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -splitspread 256
tgt1=35.18; tgt2=37.26; tgt3=36.17
pnmcolormap -splitspread 256 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -splitspread 128
tgt1=33.18; tgt2=35.58; tgt3=33.71
pnmcolormap -splitspread 128 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
echo pnmcolormap -splitspread 64
tgt1=31.27; tgt2=33.03; tgt3=30.97
pnmcolormap -splitspread 64 testimg.ppm > ${map}
pnmremap -mapfile=${map} testimg.ppm |\
pnmpsnr -target1=${tgt1} -target2=${tgt2} -target3=${tgt3} testimg.ppm -
rm ${map}
|
