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From "Tilman Hausherr (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PDFBOX-4371) Improve ExtractText utility so that it can extract rotated text automatically
Date Thu, 08 Nov 2018 07:49:00 GMT
Tilman Hausherr created PDFBOX-4371:
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             Summary: Improve ExtractText utility so that it can extract rotated text automatically
                 Key: PDFBOX-4371
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4371
             Project: PDFBox
          Issue Type: Improvement
          Components: Text extraction, Utilities
    Affects Versions: 2.0.12, 3.0.0 PDFBox
            Reporter: Tilman Hausherr
            Assignee: Tilman Hausherr
             Fix For: 2.0.13, 3.0.0 PDFBox


In a first step, detect all rotations by analyzing the effective text rendering matrix. In
a second step, do a text extraction for each rotation by prepending an appropriate transform
to the page content stream (so that our text has angle == 0) and then filtering any rotated
text. Test file: the file from PDFBOX-4368. Code posted to the users mailing list, thread {{Extracting
page "correctly"}}.



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