[jira] [Created] (PDFBOX-4743) Long rendering time of fonts in a specific PDF

["Daniel Persson (Jira)" <ji...@apache.org>]

Daniel Persson created PDFBOX-4743:
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             Summary: Long rendering time of fonts in a specific PDF
                 Key: PDFBOX-4743
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4743
             Project: PDFBox
          Issue Type: Improvement
         Environment: Gentoo Linux, Java 8
            Reporter: Daniel Persson
         Attachments: slow_rendering.pdf

Hi Team.

 

We have found a PDF that takes a long time to render images.

 

After some checking, we found that the one page takes more than 2 minutes to render, but if we remove the font information and render the PDF without text, it takes 3 seconds.

 

Just looking at the font information, it doesn't seem to be a lot of data. 3-5kb per font and there are only about seven fonts defined. So there must be something else that complicates things.

 

Best regards

Daniel



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