You have to copy $(QTDIR)/bin/plugins/imageformats to $(MYAPPDIR)/imageformats (see my stackoverflow answer: http://stackoverflow.com/questions/4047366/qt-dll-deployment-on-windows/4049823#4049823 )
Best regards Helmut Mülner > -----Ursprüngliche Nachricht----- > Von: [email protected] > [mailto:[email protected]] Im > Auftrag von Michael Jackson > Gesendet: Donnerstag, 07. März 2013 16:49 > An: [email protected] > Betreff: [Interest] Image Format plugins not loading on windows > > I have some code in Qt where I am loading a tiff image file. I have placed all > the folder "plugins/imageformats/*" from my Qt Build into the same > directory as my executable file. When I try to load the QImage > image(path_to_tiff) I get a null QImage object back. Checked by using > image.isNull() method. > > The path to the file does exist. This same setup works fine on another > development machine but not this one. I even tried putting a qt.conf file in > with my executable and that did not seem to help. > Is there some Qt function to query any possible errors that might have > occurred when my program tried to load the Qt image plugins? > > This on machines with Windows 7 x64 with Visual Studio 2010 SP1 and a self > built Qt 4.8.4. > > Thank you for any help. > --- > > Mike Jackson > _______________________________________________ > Interest mailing list > [email protected] > http://lists.qt-project.org/mailman/listinfo/interest _______________________________________________ Interest mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/interest
