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  1. Qt
  2. QTBUG-70820

TIFF file size increase (+50%)

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Details

    • Bug
    • Resolution: Done
    • P2: Important
    • 5.11.3, 5.12.0
    • 5.11.2
    • Image formats
    • None
    • All

    Description

      https://bugreports.qt.io/browse/QTBUG-68609 causes massive increase in TIFF file size.

      The result of this change is that instead of packing the whole file in 1 big block it's now compressed in small strips (2 lines in my example) which completely ruins LZW compression.

      The result is that the file size increases from 238k -> 370k.

      Please re-open this bug and use a more suitable strip size.

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          resulted from

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-68609 libqtiff image plugin does not set RowsPerStrip tag

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          For Gerrit Dashboard: QTBUG-70820
          # Subject Branch Project Status CR V
          243652,2 tiffhandler: improve stripsize 5.11 qt/qtimageformats Status: MERGED +2 0

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              vgt Eirik Aavitsland
              andreas.loew andreas.loew
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              Dates

                Created:
                Updated:
                Resolved:

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