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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (Jira)" <ji...@apache.org> on 2021/03/17 19:17:00 UTC

[jira] [Updated] (PDFBOX-5134) Very slow rendering on PageDrawer.shadingFill

     [ https://issues.apache.org/jira/browse/PDFBOX-5134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tilman Hausherr updated PDFBOX-5134:
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    Attachment: image-2021-03-17-20-16-49-221.png

> Very slow rendering on PageDrawer.shadingFill
> ---------------------------------------------
>
>                 Key: PDFBOX-5134
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-5134
>             Project: PDFBox
>          Issue Type: Bug
>            Reporter: Oliver Schmidtmer
>            Priority: Major
>              Labels: shading
>         Attachments: Plan zum Testen.pdf, image-2021-03-17-20-16-49-221.png
>
>
> The PDF contains many effectively very small shadings, the light cones. As the gradient painting for each light cone is applied on the whole image, rendering is very slow: 29 of 33 seconds are spent in shadingFill.



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