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https://issues.apache.org/jira/browse/PDFBOX-3209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15114063#comment-15114063
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Philip Helger commented on PDFBOX-3209:
---------------------------------------
Would be fine for me. But having an OutputStream as a member is a tricky thing,
because once the OutputStream is closed it cannot be used again.
Maybe making a public API that returns the finished PDDocument would be an
option, so that it can be saved manually.
> Overlay class does not work with in-memory PDFs
> -----------------------------------------------
>
> Key: PDFBOX-3209
> URL: https://issues.apache.org/jira/browse/PDFBOX-3209
> Project: PDFBox
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.0.0
> Environment: 2.0.0-RC3
> Reporter: Philip Helger
> Fix For: 2.0.0
>
> Attachments: pdfbox3209.patch
>
>
> The class {{org.apache.pdfbox.multipdf.Overlay}} has no possibility to
> perform the overlay only in memory (using a custom {{OutputStream}}). It is
> currently fixed to work with files only.
> A suggestion would be to add an overload {{public void overlay(Map<Integer,
> String> specificPageOverlayFile, OutputStream outStream) throws IOException}}
> which uses the outStream if supplied and falls back to {{outputFilename}} if
> null is passed (would be an easy solution)
>
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