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author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2019-06-28 23:45:11 +0000 |
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committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2019-06-28 23:45:11 +0000 |
commit | cdf6e0151411d887fef61245cb303ef190b29335 (patch) | |
tree | 678c2212e125e66e0a868773e2b4ec460794da4e /test/tiffcmyk-roundtrip.test | |
parent | de1311e820dc892f1a3c5c9ae70dbc56868030d8 (diff) | |
download | netpbm-mirror-cdf6e0151411d887fef61245cb303ef190b29335.tar.gz netpbm-mirror-cdf6e0151411d887fef61245cb303ef190b29335.tar.xz netpbm-mirror-cdf6e0151411d887fef61245cb303ef190b29335.zip |
Promote Advanced to Stable
git-svn-id: http://svn.code.sf.net/p/netpbm/code/stable@3641 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'test/tiffcmyk-roundtrip.test')
-rwxr-xr-x | test/tiffcmyk-roundtrip.test | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/tiffcmyk-roundtrip.test b/test/tiffcmyk-roundtrip.test new file mode 100755 index 00000000..133c81b7 --- /dev/null +++ b/test/tiffcmyk-roundtrip.test @@ -0,0 +1,42 @@ +#! /bin/bash +# This script tests: pnmtotiffcmyk tifftopnm +# Also requires: pnmpsnr + +# Failure message +## If this test fails, the cause may be a problem in the TIFF library. + +tmpdir=${tmpdir:-/tmp} +tartan_ppm=${tmpdir}/tartan.ppm +output_ppm=${tmpdir}/output.ppm +output_tiff=${tmpdir}/output.tiff + +# Note that color images cannot be tested by the roundtrip method +# because of approximations incurred by converting from RGB to CMYK + +pnmtotiffcmyk testimg.ppm > ${output_tiff} && \ + tifftopnm -headerdump -byrow ${output_tiff} | \ + pnmpsnr -target1=45.0 -target2=59.5 -target3=56.5 - testimg.ppm + + +# Note that "-rowsperstrip=1" does not work +pnmtotiffcmyk -rowsperstrip 1 -lsb2msb testimg.ppm > ${output_tiff} && \ + tifftopnm -respectfillorder -byrow ${output_tiff} | \ + pnmpsnr -target1=45.0 -target2=59.5 -target3=56.5 - testimg.ppm + + +pnmtotiffcmyk -packbits testimg.ppm > ${output_tiff} && \ + tifftopnm -byrow ${output_tiff} | \ + pnmpsnr -target1=45.0 -target2=59.5 -target3=56.5 - testimg.ppm + + +pnmtotiffcmyk -lzw testimg.ppm > ${output_tiff} && \ + tifftopnm -byrow ${output_tiff} | \ + pnmpsnr -target1=45.0 -target2=59.5 -target3=56.5 - testimg.ppm + + +pnmtotiffcmyk -lzw -predictor 2 testimg.ppm > ${output_tiff} && \ + tifftopnm -respectfillorder -byrow ${output_tiff} | \ + pnmpsnr -target1=45.0 -target2=59.5 -target=56.5 - testimg.ppm + + +rm ${output_tiff} |