Cross-Platform HiDPI Support Ready For Testing In Qt
Written by Michael Larabel in Qt on 4 June 2015 at 06:57 PM EDT. 12 Comments
QT --
Sorvig Morten of The Qt Company has announced that the cross-platform high-DPI support for the Qt tool-kit has entered a tech preview state.

This HiDPI support is planning to be integrated for the Qt 5.6 tool-kit release but won't be found in the Qt 5.5 release coming out later this month.

Those interested in testing this support to benefit modern high-end laptops and displays are encouraged to test the work-in-progress "highdpi" branch until the code has been merged to master. This is part of a broader effort to make Qt resolution-independent.

The high DPI scaling can be adjusted using the QT_SCALE_FACTOR environment variable, running the hidpi test case, or setting QT_AUTO_SCREEN_SCALE_FACTOR=1 on Windows or X11 multi-screen setups.

If you're wanting to learn more about Qt's high DPI resolution support improvements coming down the pipe for release in Qt 5.6 later this year, read this mailing list post that was submitted a short time ago.
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