Hi Checkout qtwebengine repo and wip-qtpdf branch to see latest qtquick apis for qtpdf
https://codereview.qt-project.org/q/project:qt%252Fqtwebengine+branch:wip%252Fqtpdf Br Michal On 2/11/20 3:38 PM, Neubert Stefan wrote: > Hi list, > > we are using a QQuickImageProvider to load and render PDF pages through qtpdf > to display the pages in QtQuick. > Right now we use an additional qmlExtentionPlugin to get the information > about a pdf document, like page count > and request the page images in a QtQuick Image by setting the source property > to something like > "image:://ProviderName/PathToPDF/pageNumber". The image provider has some > queues holding the last > requested documents and pages to avoid reloading the pdfs all the time. This > is working quite fine. > > We are searching for an approach how to avoid the double loading, in our > extention plugin and in the image provider. > > One idea was to extend an image provider with Q_PROPERTY or something else to > access the meta data of the loaded > pdfs, like accessing a singleton object in QtQuick, but we don´t know if this > would be the right approach or even possible. > The qt blog about qtpdf in 2017 said something about adding QtQuick support, > but there has not been any work on it. > > Any suggestion on how to properly implement qtpdf in QQuick or how to extend > an image provider with additional > meta data is welcome. > > Regards Stefan > ________________________________ > Hekatron Technik GmbH > Bruehlmatten 3a - 9 > D-79295 Sulzburg > Reg.-Ger. Freiburg HRB 300243 > Geschaeftsfuehrer: > Michael Roth, Daniel Liechti, Armin Berchtold > Telefon +49 7634 500-0 > Telefax +49 7634 500-316 > ________________________________ > _______________________________________________ > Interest mailing list > Interest@qt-project.org > https://lists.qt-project.org/listinfo/interest > _______________________________________________ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
