Hi, I found there is a environment variable from http://doc.qt.io/qt-5/highdpi.html. If we set QT_DEVICE_PIXEL_RATIO=auto in the system with HiDPI, it does work but doesn't work very well.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to qtdeclarative-opensource- src in Ubuntu. https://bugs.launchpad.net/bugs/1480194 Title: QML UIs don’t respect the scale factor for HiDPI display Status in qtdeclarative-opensource-src package in Ubuntu: New Status in webbrowser-app package in Ubuntu: Invalid Bug description: Ubuntu 14.04.2 Reproducible Steps: 1. Login Unity desktop environment. 2. Change the scale factor to 2 in Displays of System Settings. 3. Open Amazon webapp. Expected Result: * We can see the scaled Amazon website. Actual Result: * Amazon website is still very small. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtdeclarative-opensource-src/+bug/1480194/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp