#! /bin/bash
# This script tests: pamditherbw
# Also requires: ppmtopgm

# Make test input
${PBM_BINPREFIX}ppmtopgm testimg.ppm >${tmpdir}/testimg.pgm

# Test 1.  Simple threshold
${PBM_TESTPREFIX}pamditherbw -threshold -val=0.5 \
   ${tmpdir}/testimg.pgm | cksum

# Test 2.  Floyd-Steinberg
#${PBM_TESTPREFIX}pamditherbw -floyd -val=0.5 ${tmpdir}/testimg.pgm | cksum

# Test 3. Atkinson
#${PBM_TESTPREFIX}pamditherbw -atkinson -val=0.5 ${tmpdir}/testimg.pgm | cksum

# Test 4. Hilbert
${PBM_TESTPREFIX}pamditherbw -hilbert ${tmpdir}/testimg.pgm | cksum

# Test 5. Dither-8
${PBM_TESTPREFIX}pamditherbw -dither8 ${tmpdir}/testimg.pgm | cksum

# Test 6. Cluster4
${PBM_TESTPREFIX}pamditherbw -cluster4 ${tmpdir}/testimg.pgm | cksum

# Test 7. Atkinson
#${PBM_TESTPREFIX}pamditherbw -atkinson -val=0.5 ${tmpdir}/testimg.pgm | cksum

# Remove test file
rm ${tmpdir}/testimg.pgm