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#! /bin/bash
# This script tests: giftopnm pamtogif
# Also requires: ppmtopgm ppmtorgb3 rgb3toppm
# Test 1. Should produce 2871603838 33838
# which is the result of ppmtopgm testimg.ppm | cksum
${PBM_BINPREFIX}ppmtopgm testimg.ppm | \
${PBM_TESTPREFIX}pamtogif | ${PBM_TESTPREFIX}giftopnm | cksum
# Test 2. Break up input image into three monochrome planes,
# maxval 255. Transform each plane to gif and back to pgm.
# Reassemble the planes. Result should be identical to input.
# Should print 1926073387 101484
cp testimg.ppm ${tmpdir} &&
${PBM_BINPREFIX}ppmtorgb3 ${tmpdir}/testimg.ppm &&
${PBM_TESTPREFIX}pamtogif ${tmpdir}/testimg.red | \
${PBM_TESTPREFIX}giftopnm > ${tmpdir}/out.red &&
${PBM_TESTPREFIX}pamtogif ${tmpdir}/testimg.grn |
${PBM_TESTPREFIX}giftopnm > ${tmpdir}/out.grn &&
${PBM_TESTPREFIX}pamtogif ${tmpdir}/testimg.blu | \
${PBM_TESTPREFIX}giftopnm | \
${PBM_BINPREFIX}rgb3toppm ${tmpdir}/testimg.red ${tmpdir}/testimg.grn - | \
cksum
rm ${tmpdir}/testimg.{ppm,red,grn,blu} ${tmpdir}/out.{red,grn}
# Test 3. Should produce 2425386270 41
${PBM_TESTPREFIX}pamtogif testgrid.pbm | ${PBM_TESTPREFIX}giftopnm | cksum
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