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Posted to dev@pdfbox.apache.org by "Oliver Schmidtmer (Jira)" <ji...@apache.org> on 2021/11/04 10:01:00 UTC
[jira] [Commented] (PDFBOX-5310) Slow rendering for specific PDF
File with small chunks 16x8
[ https://issues.apache.org/jira/browse/PDFBOX-5310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17438600#comment-17438600 ]
Oliver Schmidtmer commented on PDFBOX-5310:
-------------------------------------------
Yes, that is much faster and should help in a more universal way. Thank you.
> Slow rendering for specific PDF File with small chunks 16x8
> -----------------------------------------------------------
>
> Key: PDFBOX-5310
> URL: https://issues.apache.org/jira/browse/PDFBOX-5310
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.24
> Reporter: Oliver Schmidtmer
> Priority: Major
> Fix For: 2.0.25, 3.0.0 PDFBox
>
> Attachments: PDFJS-3096.pdf, TestAusgangsbeleg.pdf
>
>
> I have another PDF with many small chunks. From PDFBOX-5051 we see chunk sizes of either 1px with or height.
> This PDF contains chunks with a size of ~16x8 and rendering times could also be improved by a huge factor if the conditions at [https://github.com/apache/pdfbox/blob/283d6f8cdd1695ebe8515355b17ddea7527b5f96/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/color/PDColorSpace.java#L349] are changed accordingly.
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