test/macp-roundtrip.test


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#! /bin/bash
# This script tests: pbmtomacp macptopbm
# Also requires: pnmcrop pbmpage pbmupc pnmpad

tmpdir=${tmpdir:-/tmp}
temp1_pbm=${tmpdir}/temp1.ppm
temp2_pbm=${tmpdir}/temp2.ppm


# Test 1. Should produce 2425386270 41 twice
# Because Macpaint files are fixed size (576 x 720 pixels)
# pbmtomacp automatically adds padding when input is smaller.

pbmtomacp testgrid.pbm | macptopbm | tee ${temp1_pbm} | \
    pnmcrop | cksum

pbmtomacp ${temp1_pbm} | macptopbm | pnmcrop | cksum


#Test 2. Should produce 2329957971 51851
pbmpage 1 | pbmtomacp | macptopbm | cksum


#Test 3. Should produce 2907103393 5086 twice
pbmupc 0 12345 67890 | pnmpad -black -t 44 -b 20 -l 100 -r 251 | pbmtomacp | macptopbm | \
    tee ${temp2_pbm} | \
    pnmcrop | pnmcrop | cksum

pbmtomacp ${temp2_pbm} | macptopbm | pnmcrop | pnmcrop | cksum

rm ${temp1_pbm} ${temp2_pbm}