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Posted to dev@pdfbox.apache.org by "Alfred (Jira)" <ji...@apache.org> on 2020/06/10 06:40:35 UTC

[jira] [Created] (PDFBOX-4875) Lazy load standard 14 fonts, only if needed

Alfred created PDFBOX-4875:
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             Summary: Lazy load standard 14 fonts, only if needed
                 Key: PDFBOX-4875
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4875
             Project: PDFBox
          Issue Type: Improvement
          Components: Parsing, Text extraction
    Affects Versions: 2.0.20, 3.0.0 PDFBox
            Reporter: Alfred
             Fix For: 2.0.21, 3.0.0 PDFBox


I am testing text extraction from PDF and profiling the execution.

I found that the second biggest time consumer is the static code in Standard14Fonts that loads fonts from the pdf box jar.

The culprit seems to be the direct use of the stream returned getResurceAsStream.
 That would be a ZipInputStream when using PDFBox as a jar.

Using a buffered stream around it reduces the load time a lot.

 



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