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Posted to dev@pdfbox.apache.org by "Andreas Lehmkühler (JIRA)" <ji...@apache.org> on 2016/11/14 18:27:58 UTC

[jira] [Created] (PDFBOX-3569) Performance regression in PDColorSpace#toRGBImageAWT

Andreas Lehmkühler created PDFBOX-3569:
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             Summary: Performance regression in PDColorSpace#toRGBImageAWT
                 Key: PDFBOX-3569
                 URL: https://issues.apache.org/jira/browse/PDFBOX-3569
             Project: PDFBox
          Issue Type: Bug
          Components: Rendering
    Affects Versions: 2.0.3, 2.1.0
            Reporter: Andreas Lehmkühler
            Assignee: Andreas Lehmkühler
             Fix For: 2.0.4, 2.1.0


I've a private pdf containing 1900 tiny inline images (CMYK, 8bit) which renders way too slow. Again the CMYK2RGB conversion is the culprit here, BUT the known issue with the KCMS/LCMS change isn't the main problem here.

I ran some tests on linux (PDFToImage time -imageType png -resolution 150)
1.6.0_37: 355s
1.7.0_25: 289s
1.7.0_75: 298s
1.8.0_101: cancelled after 15 min



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