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https://issues.apache.org/jira/browse/PDFBOX-3209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15114056#comment-15114056
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Tilman Hausherr commented on PDFBOX-3209:
-----------------------------------------
This feels weird. The existing behavior is done with the setter, the new
behavior is done with an extra parameter. IMHO it would be better to add a new
private field and a new setter, and make a decision when saving.
> 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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