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#! /bin/bash
# This script tests: pnmremap
# Also requires: pamdepth pamseq pamtopnm

  alias pnmremap="${PBM_TESTPREFIX}pnmremap"
  alias pamdepth="${PBM_BINPREFIX}pamdepth"
  alias pamseq="${PBM_BINPREFIX}pamseq"
  alias pamtopnm="${PBM_BINPREFIX}pamtopnm"
  shopt -s expand_aliases

pamseq 3 5 -tupletype=RGB | pamtopnm \
 > ${tmpdir}/palette
pamdepth 255 ${tmpdir}/palette > ${tmpdir}/palette255

# Test 1. Floyd-Steinberg
# This fails with older versions of Netpbm and x86-64.
# May also fail on other non-Intel architectures.
# v. 10.59.2
# x86-32: 2667816854 101482 
# x86-64: 3602410851 101482

pnmremap -mapfile=${tmpdir}/palette -floyd -norandom \
 testimg.ppm | cksum

rm ${tmpdir}/palette{,255}