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Posted to dev@pdfbox.apache.org by "Andreas Lehmkühler (JIRA)" <ji...@apache.org> on 2018/03/04 12:31:00 UTC

[jira] [Created] (PDFBOX-4139) Optimize memory footprint of CID mappings within CMaps

Andreas Lehmkühler created PDFBOX-4139:
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             Summary: Optimize memory footprint of CID mappings within CMaps
                 Key: PDFBOX-4139
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4139
             Project: PDFBox
          Issue Type: Task
          Components: FontBox
    Affects Versions: 2.0.8
            Reporter: Andreas Lehmkühler
            Assignee: Andreas Lehmkühler
             Fix For: 2.0.9, 3.0.0 PDFBox


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



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