[jira] [Created] (PDFBOX-3790) Rendering is too slow for file containing many shades

["Esteban Nicolas Ruiz (JIRA)" <ji...@apache.org>]

Esteban Nicolas Ruiz created PDFBOX-3790:
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             Summary: Rendering is too slow for file containing many shades
                 Key: PDFBOX-3790
                 URL: https://issues.apache.org/jira/browse/PDFBOX-3790
             Project: PDFBox
          Issue Type: Bug
    Affects Versions: 2.0.5
         Environment: Windows
            Reporter: Esteban Nicolas Ruiz
         Attachments: shades0to25.pdf, shades0to50.pdf, shades26to50.pdf

Attached pdf files take too long (more then 20 secs) to render in PDFDebugger (they are a simplified version of a real life example that I can not publish for privacy reasons).

Displaying more shades seems to increase complexity exponentially: all the attached files contain the same shades but each one display a different range of them. 

These are the rendering times as displayed in the status area of PDFDebugger for each of the attached files:

0to25.pdf: 22.095 seconds
25to50.pdf: 33.726 seconds
0to50.pdf: 67.481 seconds





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