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# This script tests: ppmtopi1 pi1toppm ppmtoneo neotoppm
# Also requires: pgmramp pamscale pbmmake rgb3toppm
alias ppmtopi1="${PBM_TESTPREFIX}ppmtopi1"
alias pi1toppm="${PBM_TESTPREFIX}pi1toppm"
alias ppmtoneo="${PBM_TESTPREFIX}ppmtoneo"
alias neotoppm="${PBM_TESTPREFIX}neotoppm"
alias pgmramp="${PBM_BINPREFIX}pgmramp"
alias pamscale="${PBM_BINPREFIX}pamscale"
alias pbmmake="${PBM_BINPREFIX}pbmmake"
alias rgb3toppm="${PBM_BINPREFIX}rgb3toppm"
shopt -s expand_aliases
# Atari pi1 and neo files have the following characteristics:
# Size: 320x200
# Maxval: 7
# Color palette: at most 16 entries
tmpdir=${tmpdir:-/tmp}
t_red=${tmpdir}/t.red
t_grn=${tmpdir}/t.grn
t_blu=${tmpdir}/t.blu
t_ppm=${tmpdir}/t.ppm
pgmramp -lr -maxval=3 4 1 | \
pamscale -xscale=80 -yscale=200 -nomix > ${t_red}
pbmmake -g 16 10 | pamenlarge 20 > ${t_grn}
pbmmake -g 8 5 | pamenlarge 40 > ${t_blu}
rgb3toppm ${t_red} ${t_grn} ${t_blu} | pamdepth 7 > ${t_ppm}
#Test 0. Should print: 3583332118 192013
cksum < ${t_ppm}
#Test 1. Should print: 3583332118 192013
ppmtopi1 ${t_ppm} | pi1toppm | cksum
#Test 2. Should print: 3583332118 192013
ppmtoneo ${t_ppm} | neotoppm | cksum
rm ${t_red} ${t_grn} ${t_blu} ${t_ppm}
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