Optional Content Groups (OCGs aka layers): initial support
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Key: PDFBOX-865
URL: https://issues.apache.org/jira/browse/PDFBOX-865
Project: PDFBox
Issue Type: New Feature
Components: PDModel
Reporter: Jeremias Maerki
Assignee: Jeremias Maerki
I'm currently writing some code for a client to create and manipulate optional
content groups (OCGs aka layers) on the PD-layer. The goal is to do overlays in
a way that the various combined pages each are on a separate layer that can be
switched on and off. Please note that this is only a start and, for example,
does not include conditional rendering of layers. I'll submit a patch for
review in a couple of days. I've got the necessary PD layer code already and
now have to upgrade the Overlay utility.
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