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From Wulf Berschin <bersc...@dosco.de>
Subject Re: Watermarks
Date Wed, 09 Dec 2009 13:12:00 GMT
Again Watermarks:

Apparently Acrobat uses Optional Content Groups (OCG), aka Layers, when 
watermarks, e.g. via JavaScript function addWatermarkFromText. The 
advantage doing so is to be able to switch on and off this layer from 

How about OCGs in PDFBox? As far I can see there's no support yet. Is 
this on the roadmap? Does anyone succeeded in creating OCGs with PDFB 
and is do generous to shar his experience with us?


Wulf Berschin schrieb:
> I was just looking for an example how to create watermarks with PdfBox, 
> didn't find it. If it does not (yet) exist could someone please give me 
> some hints how to implement it?
> Thanks, Wulf

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