[jira] [Commented] (PDFBOX-1814) In some cases PDPage converttoimage is extremely slow

["John Hewson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PDFBOX-1814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13893808#comment-13893808 ] 

John Hewson commented on PDFBOX-1814:
-------------------------------------

I think this is the same slowness identified by Tilman in PDFBOX-1851, which is due to color space conversion. I'm going to assign it to myself as part of the color space refactoring.

> In some cases PDPage converttoimage is extremely slow 
> ------------------------------------------------------
>
>                 Key: PDFBOX-1814
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-1814
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 1.8.3
>         Environment: all (windows, Linux, unix, jre1.6, jre1.7)
>            Reporter: lieven vanlerberghe
>         Attachments: extreme_slow.pdf
>
>
> I convert hundreds of documents with an average of some seconds per page.  One type of documents takes several minutes per page.  
> It is not linked to the size of the document: I extracted one page and generated the image on its own.  
> It is not linked to the fonts, because I have the same content in another document (A6 format instead of A4), and there I don't have a problem. 



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