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#! /bin/bash
# This script tests: g3topbm pbmtog3
# Also requires: pnmcrop pbmmake
tmpdir=${tmpdir:-/tmp}
complete256_pbm=${tmpdir}/complete256.pbm
widew_pbm=${tmpdir}/widew.pbm
wideb_pbm=${tmpdir}/wideb.pbm
pbmtog3 -nofixedwidth testgrid.pbm | \
g3topbm -width=14 | cmp -s - testgrid.pbm
echo ${PIPESTATUS[@]} ":" $?
pbmtog3 -nofixedwidth -reversebits testgrid.pbm | \
g3topbm -width=14 -reversebits | cmp -s - testgrid.pbm
echo ${PIPESTATUS[@]} ":" $?
pbmtog3 testgrid.pbm | \
g3topbm | pnmcrop -white -right -bottom | \
cmp -s - testgrid.pbm ; echo ${PIPESTATUS[@]} ":" $?
# works with gawk and mawk
# produce all possible 8-bit patterns
LC_ALL=C awk 'BEGIN { print "P4"; # header
print "8 256";
for (i=0;i<256;++i) # raster
printf("%c",i) }' > ${complete256_pbm}
pbmtog3 -nofixedwidth ${complete256_pbm} | g3topbm -width=8 | \
cmp -s - ${complete256_pbm} ; echo ${PIPESTATUS[@]} ":" $?
pbmtog3 -reverse -nofixedwidth ${complete256_pbm} | \
g3topbm -reversebits -width=8 | \
cmp -s - ${complete256_pbm} ; echo ${PIPESTATUS[@]} ":" $?
pbmtog3 -align8 ${complete256_pbm} | \
g3topbm -width=1728 | pnmcrop -white -right | \
cmp -s - ${complete256_pbm} ; echo ${PIPESTATUS[@]} ":" $?
pbmtog3 -align16 ${complete256_pbm} | \
g3topbm -width=1728 | pnmcrop -white -right | \
cmp -s - ${complete256_pbm} ; echo ${PIPESTATUS[@]} ":" $?
pbmmake -w 5000 5 > ${widew_pbm}
pbmtog3 -nofixedwidth ${widew_pbm} | g3topbm | \
cmp -s - ${widew_pbm} ; echo ${PIPESTATUS[@]} ":" $?
pbmtog3 -nofixedwidth ${widew_pbm} | \
g3topbm -width=5000 | \
cmp -s - ${widew_pbm} ; echo ${PIPESTATUS[@]} ":" $?
pbmmake -b 5000 5 > ${wideb_pbm}
pbmtog3 -nofixedwidth ${wideb_pbm} | g3topbm | \
cmp -s - ${wideb_pbm} ; echo ${PIPESTATUS[@]} ":" $?
cat ${complete256_pbm} | cksum
cat ${wideb_pbm} | cksum
cat ${widew_pbm} | cksum
rm ${complete256_pbm} ${wideb_pbm} ${widew_pbm}
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