add documentation for --colorspace
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@ -62,6 +62,9 @@ Specify metadata using the --title, --author, --creator, --producer,
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--creationdate, --moddate, --subject and --keywords options (or their short
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--creationdate, --moddate, --subject and --keywords options (or their short
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forms).
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forms).
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Specify -C or --colorspace to force a colorspace using PIL short handles like
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'RGB', 'L' or '1'.
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More help is available with the -h or --help option.
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More help is available with the -h or --help option.
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bugs
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bugs
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@ -78,3 +81,8 @@ tests, zip/flate encoding performed best. You can verify my findings using the
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test_comp.sh script with any input image given as a commandline argument. If
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test_comp.sh script with any input image given as a commandline argument. If
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you find an input file that is outperformed by another lossless compression,
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you find an input file that is outperformed by another lossless compression,
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contact me.
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contact me.
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I have not yet figured out how to read the colorspace from jpeg2000 files.
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Therefor jpeg2000 files use DeviceRGB per default. If your jpeg2000 files are
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of any other colorspace you must force it using the --colorspace option.
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Like -C L for DeviceGray.
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