I've been trying to use PoDoFo to extract accessible text from PDFs.
I have some PDF documents tagged for accessibility which show as tagged in
Adobe Reader properties (Tagged: Yes), but PoDoFo::PdfDocument::
GetStructTreeRoot returns null. My (limited) understanding of ISO 32000 is
that the tagged text all lives under StructTreeRoot.
When I open one of the problem PDFs in PoDoFoBrowser it shows a reference
for StructTreeRoot, but the referenced node can't be expanded to show its
contents. The StructTreeRoot node can be expanded in other tagged PDFs.
An example of a problem document is:
http://partners.adobe.com/public/developer/en/acrobat/PDFOpenParameters.pdf
Any pointers or suggestions would be gratefully accepted.
Regards
Mark Rogers - mark.rog...@electrum.co.uk
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