#! /bin/sh
# This script tests: ppmtopi1 pi1toppm ppmtoneo neotoppm
# Also requires: pgmramp pamscale pbmmake pamenlarge rgb3toppm pamdepth


# 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}