#! /bin/bash
# This script tests: ppmtopcx pcxtoppm
# Also requires: pnmremap


tmpdir=${tmpdir:-/tmp}
pcxstd_ppm=${tmpdir}/pcxstd_ppm
testpcx_ppm=${tmpdir}/test-pcx.ppm

cat > ${pcxstd_ppm} << EOF
P3
16 1
255
  0   0   0
  0   0 170
  0 170   0
  0 170 170
170   0   0
170   0 170
170 170   0
170 170 170
 85  85  85
 85  85 255
 85 255  85
 85 255 255
255  85  85
255  85 255
255 255  85
255 255 255
EOF

# Test 1. Should print 1926073387 101484
ppmtopcx testimg.ppm | pcxtoppm | cksum

# Test 2.  Should print 369063776 101484 three times
pnmremap testimg.ppm -mapfile=${pcxstd_ppm} | tee ${testpcx_ppm} | cksum
ppmtopcx -stdpalette -packed ${testpcx_ppm} | pcxtoppm | cksum
ppmtopcx -stdpalette -packed -8bit ${testpcx_ppm} | pcxtoppm | cksum

rm ${testpcx_ppm} ${pcxstd_ppm}

# Test 3. Should print 829921912 685 which is the
# result of:
# pgmtoppm < testgrid.pbm | cksum
ppmtopcx -stdpalette -packed testgrid.pbm | pcxtoppm | cksum