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  1. PDFBox
  2. PDFBOX-4139

Optimize memory footprint of CID mappings within CMaps

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 2.0.8
    • Fix Version/s: 2.0.9, 3.0.0 PDFBox
    • Component/s: FontBox
    • Labels:
      None

      Description

      Some of the predefined CMaps define CID-ranges which simply map single values. Other are consecutive ranges which could be merge into one range, e.g.

      • UniGB-UCS2-H contains a lot of ranges representing single value mappings
      • Identity-H contains 256 ranges which can be merge into a single range

        Attachments

        1. PDFBOX-4130-1-reduced.pdf
          1 kB
          Tilman Hausherr
        2. PDFBOX-4130-2-reduced.pdf
          1 kB
          Tilman Hausherr

          Activity

            People

            • Assignee:
              lehmi Andreas Lehmkühler
              Reporter:
              lehmi Andreas Lehmkühler
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              Dates

              • Created:
                Updated:
                Resolved: