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|
#! /bin/sh
# This script tests: pamarith
# Also requires: pamtopnm rgb3toppm pamenlarge pamcat pamseq pbmmake pgmmake
# Also requires: ppmpat pamchannel
tmpdir=${tmpdir:-/tmp}
input1_pgm=${tmpdir}/input1.pgm
input2_pgm=${tmpdir}/input2.pgm
output_pgm=${tmpdir}/output.pgm
input1_ppm=${tmpdir}/input1.ppm
input2_ppm=${tmpdir}/input2.ppm
echo "Test 1"
pamseq 1 15 | pamtopnm -assume > ${input1_pgm}
pgmmake -maxval 15 0.15 16 1 > ${input2_pgm}
rgb3toppm ${input1_pgm} ${input1_pgm} ${input1_pgm} > ${input1_ppm}
rgb3toppm ${input2_pgm} ${input2_pgm} ${input2_pgm} > ${input2_ppm}
pamcat -tb ${input1_pgm} ${input2_pgm} -plain
for fn in "-add" "-subtract" "-multiply" "-divide" "-difference" \
"-minimum" "-maximum" "-mean" "-compare" "-equal" \
"-and" "-or" "-nand" "-nor" "-xor" \
"-shiftleft" "-shiftright"
do
echo ${fn}
pamarith ${fn} -plain ${input1_pgm} ${input2_pgm} | tr '\n' ' '; echo
pamarith ${fn} ${input1_pgm} ${input2_pgm} > ${output_pgm}
rgb3toppm ${output_pgm} ${output_pgm} ${output_pgm} | cksum
pamarith ${fn} ${input1_ppm} ${input2_pgm} | cksum
pamarith ${fn} ${input1_ppm} ${input2_ppm} | cksum
done
rm ${input1_pgm} ${input2_pgm} ${output_pgm} ${input2_ppm}
input1_pbm=${tmpdir}/input1.pbm
input2_pbm=${tmpdir}/input2.pbm
echo "Test 2 PBM"
pbmmake -g 8 1 > ${input1_pbm}
pbmmake -g 2 1 | pamenlarge -xscale=4 > ${input2_pbm}
pamcat -tb -plain ${input1_pbm} ${input2_pbm}
for fn in "-add" "-subtract" "-multiply" "-divide" "-difference" \
"-minimum" "-maximum" "-mean" "-compare" "-equal" \
"-and" "-or" "-nand" "-nor" "-xor" \
"-shiftleft" "-shiftright"
do
echo ${fn}
pamarith ${fn} -plain ${input1_pbm} ${input2_pbm} | tr '\n' ' '; echo
done
rm ${input1_pbm} ${input2_pbm}
echo "Test 3"
input3_ppm=${tmpdir}/input3.ppm
input4_ppm=${tmpdir}/input4.ppm
input4_pgm=${tmpdir}/input4.pgm
ppmpat -tartan -color=rgb:f0/f0/00,rgb:80/00/80,rgb:0f/00/0f 20 15 \
> ${input3_ppm}
ppmpat -argyle2 -color=rgb:01/01/01,rgb:02/02/02,rgb:05/05/05 20 15 \
> ${input4_ppm}
pamchannel -infile ${input4_ppm} 0 > ${input4_pgm}
for fn in "-add" "-multiply" "-difference" \
"-minimum" "-maximum" "-mean" "-equal" \
"-and" "-or" "-nand" "-nor" "-xor"
do
echo ${fn}
pamarith ${fn} ${input3_ppm} ${input4_ppm} | cksum
pamarith ${fn} ${input4_ppm} ${input3_ppm} | cksum
pamarith ${fn} ${input3_ppm} ${input4_pgm} | pamtopnm | cksum
done
for fn in "-subtract" "-divide" "-compare" "-shiftleft" "-shiftright"
do
echo ${fn}
pamarith ${fn} ${input3_ppm} ${input4_ppm} | cksum
pamarith ${fn} ${input3_ppm} ${input4_pgm} | pamtopnm | cksum
done
rm ${input3_ppm} ${input4_ppm} ${input4_pgm}
echo "Test 4 (input = output)"
echo "Prints 281226646 481 six times, then 2921940274 59 six times"
for image in maze.pbm ${input1_ppm}
do
echo "input image"
cat ${image} | cksum
for fn in "-minimum" "-maximum" "-mean" "-and" "-or"
do
echo ${fn}
pamarith ${fn} ${image} ${image} | cksum
done
done
echo "Test 5 (blank output)"
echo "Prints 2247801875 481 three times, then 320101399 59 three times"
for image in maze.pbm ${input1_ppm}
do
for fn in "-subtract" "-difference" "-xor"
do
echo ${fn}
pamarith ${fn} ${image} ${image} | cksum
done
done
rm ${input1_ppm}
echo "Test Invalid"
. ${srcdir}/test-invalid.inc
# multiple functions
invCmd "pamarith -add -subtract testimg.ppm testimg.ppm"
invCmd "pamarith -multiply -divide testimg.ppm testimg.ppm"
invCmd "pamarith -difference -minimum testimg.ppm testimg.ppm"
invCmd "pamarith -maximum -mean testimg.ppm testimg.ppm"
invCmd "pamarith -compare -and testimg.ppm testimg.ppm"
invCmd "pamarith -compare -equal testimg.ppm testimg.ppm"
invCmd "pamarith -or -nand testimg.ppm testimg.ppm"
invCmd "pamarith -nor -xor testimg.ppm testimg.ppm"
invCmd "pamarith -shiftleft -shiftright testimg.ppm testimg.ppm"
# -add does not take a value
invCmd "pamarith -add=1 testimg.ppm testimg.ppm"
# No function
invCmd "pamarith -plain testimg.ppm testimg.ppm"
invCmd "pamarith testimg.ppm testimg.ppm"
# Just one input image file
invCmd "pamarith -add testimg.ppm"
# No input image file
invCmd "pamarith -add"
# Input images with different depth (number of planes)
input1_pam=${tmpdir}/input1.pam
pamchannel -infile testimg.ppm 0 1 > ${input1_pam}
invCmd "pamarith -add testimg.ppm ${input1_pam}"
rm ${input1_pam}
# Input images with different x/y dimensions
invCmd "pamarith -add testimg.ppm testgrid.pbm"
input1_pbm=${tmpdir}/input1.pbm
input2_pbm=${tmpdir}/input2.pbm
pamenlarge -xscale=2 testgrid.pbm > ${input1_pbm}
invCmd "pamarith -add testgrid.pbm ${input1_pbm}"
rm ${input1_pbm}
pamenlarge -yscale=3 testgrid.pbm > ${input2_pbm}
invCmd "pamarith -add testgrid.pbm ${input2_pbm}"
rm ${input2_pbm}
# Invalid usage of -closeness
invCmd "pamarith -equal -closeness=100.1 testgrid.pbm"
invCmd "pamarith -equal -closeness=-10 testgrid.pbm"
invCmd "pamarith -closeness -equal testgrid.pbm"
invCmd "pamarith -compare -closeness=10 testgrid.pbm"
# Bit string functions
# Create PGM test input
input3_pgm=${tmpdir}/input3.pgm
input4_pgm=${tmpdir}/input4.pgm
input5_pgm=${tmpdir}/input5.pgm
pgmmake -maxval=4095 1.0 3 1 > ${input3_pgm}
pgmmake -maxval=4096 1.0 3 1 > ${input4_pgm}
pgmmake -maxval=8191 1.0 3 1 > ${input5_pgm}
# Bit string functions - Maxval must match
invCmd "pamarith -and ${input3_pgm} ${input5_pgm}"
invCmd "pamarith -or ${input3_pgm} ${input5_pgm}"
invCmd "pamarith -nand ${input3_pgm} ${input5_pgm}"
invCmd "pamarith -nor ${input3_pgm} ${input5_pgm}"
invCmd "pamarith -xor ${input3_pgm} ${input5_pgm}"
# Bit string functions - Maxval must be 2^n -1
invCmd "pamarith -and ${input4_pgm} ${input4_pgm}"
invCmd "pamarith -or ${input4_pgm} ${input4_pgm}"
invCmd "pamarith -nand ${input4_pgm} ${input4_pgm}"
invCmd "pamarith -nor ${input4_pgm} ${input4_pgm}"
invCmd "pamarith -xor ${input4_pgm} ${input4_pgm}"
invCmd "pamarith -shiftleft ${input4_pgm} ${input4_pgm}"
invCmd "pamarith -shiftright ${input4_pgm} ${input4_pgm}"
rm ${input3_pgm} ${input4_pgm} ${input5_pgm}
# Functions that do not allow more than two input images.
# Only the functions that are commutative and associative allow
# three or more inputs.
invCmd "pamarith -subtract testimg.ppm testimg.ppm testimg.ppm"
invCmd "pamarith -divide testimg.ppm testimg.ppm testimg.ppm"
invCmd "pamarith -compare testimg.ppm testimg.ppm testimg.ppm"
invCmd "pamarith -difference testimg.ppm testimg.ppm testimg.ppm"
invCmd "pamarith -shiftleft testimg.ppm testimg.ppm testimg.ppm"
invCmd "pamarith -shiftright testimg.ppm testimg.ppm testimg.ppm"
# Currently -equal and -mean do not allow more than two input images.
# These two cases should be removed once improvements are made.
invCmd "pamarith -equal testgrid.pbm testgrid.pbm testgrid.pbm"
invCmd "pamarith -mean testgrid.pbm testgrid.pbm testgrid.pbm"
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