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#! /bin/sh
# This script tests: pamstretch
# Also requires: pamcut pamfile
# Test 1. Should print 211995824 12277766
echo test 1
pamstretch 11 testimg.ppm | cksum
# Test 2. Should print 1361899 202953
echo test 2
pamstretch -xscale=2 -blackedge testimg.ppm | cksum
# Test 3. Should print 3427416462 301047
echo test 3
tmpdir=${tmpdir:-/tmp}
dropedge1_ppm=${tmpdir}/drop1.ppm
pamstretch -yscale=3 -dropedge testimg.ppm | tee ${dropedge1_ppm} | cksum
# Test 4. Should print 3681010585 802767
echo test 4
pamstretch -xscale=2 -yscale=4 -dropedge testimg.ppm | cksum
# Test 5. Should print 1926073387 101484 four times
echo test 5
pamstretch 1 testimg.ppm | cksum
pamstretch -xscale=1 -yscale=1 testimg.ppm | cksum
pamstretch 1 -dropedge testimg.ppm | cksum
pamstretch 1 -blackedge testimg.ppm | cksum
# Test 6.
# Should print 3638965616 913236 , 598302847 913236
# followed by 3948746482 903111 four times and finally
# -width=678 -height=444"
echo test 6
stretch_ppm=${tmpdir}/stretch.ppm
dropedge_ppm=${tmpdir}/drop.ppm
blackedge_ppm=${tmpdir}/black.ppm
pamstretch 3 testimg.ppm | tee ${stretch_ppm} | cksum
pamstretch 3 -blackedge testimg.ppm | tee ${blackedge_ppm} | cksum
pamstretch -xscale=3 -dropedge ${dropedge1_ppm} | tee ${dropedge_ppm} | cksum
width_height=$(pamfile -size ${dropedge_ppm} | \
awk '{print "-width="$1, "-height="$2}')
pamcut -left=0 -top=0 ${width_height} ${stretch_ppm} | cksum
pamcut -left=0 -top=0 ${width_height} ${blackedge_ppm} | cksum
pamcut -left=0 -top=0 ${width_height} ${dropedge_ppm} | cksum
rm ${stretch_ppm} ${dropedge_ppm} ${dropedge1_ppm} ${blackedge_ppm}
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