New QtLabs PDF module

A couple of years ago during a hackathon, a couple of us wrote a Qt wrapper around PDFium, the open-source PDF rendering engine which is used for viewing PDFs in Chromium.  There have been a few fixes and improvements since then.  Now we (finally) have made this module available under the LGPLv3 license.

QPdfDocument can render a PDF page to a QImage, and there is QPdfBookmarkModel which can be used for a bookmarks view. There is an example application: a widget-based PDF viewer.

If you want to try it out, here's how to get started:

git clone git://
cd qtpdf
git submodule update --init --recursive
cd examples/pdf/pdfviewer
./pdfviewer /path/to/my/file.pdf

There is some work in progress to add support for PDF in QtQuick, to treat it as an ordinary image format and to add support for multi-page image formats in general, but we don't have any particular target release date yet.

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