On 7/17/21 8:43 PM, Oliver Sander wrote:
I do not understand well your question. But I know that a pdf
document contains pages.
I have pdf documents in memory (read from a database) and I need to
merge these documents in memory to write them back in a database...
You need to give a few more details about what you mean by "I have pdf
documents in memory".
Does that mean that you simply copied the file content to some
allocated memory? Or have
you opened these pdf files using poppler (using code like in
poppler/qt5/demos)?
You need to do the latter to solve your problem. Open the files using
poppler,
and then copy code that unites them from pdfunite.cc (licences
permitting).
Best,
Oliver
Sorry to not be clear : I upload pdf documents (with a c++ cppcms
server), I get them in some std::istream, I need to manipulate pages of
these documents, create new documents from these pages, store these
documents in bytea postgresql db, extract text from them, retrieve them
when a user ask to download them...
poppler can make the job, but I do not need and I would like to avoid to
use files to do all that...
So my question : what is the best strategy ?
I have no license problem, all is open source.
Thank you
PX.
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