Q:
I am using pdfdoc.CreateIndirectStream(reader) to embed a new data
stream in PDF, however the embedded stream is not compressed.
How can I compress Cos/SDF stream?
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A:
To create a compressed stream you can pass FlateEncode filter as a
second parameter in CreateIndirectStream. For example:
// In C#
Obj stm = doc.CreateIndirectStream(mystm, new
pdftron.Filters.FlateEncode(null));
// In C++
AutoPtr<Filters::Filter> flate(new
Filters::FlateEncode(AutoPtr<Filters::Filter> (0)));
Obj* stm = doc.CreateIndirectStream(reader, flate);
Please make sure that you are using the latest PDFNet version.