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Document physicalDotsPerInch high-DPI behavior

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The values are in device-independent dots, which may
be unexpected.

Task-number: QTBUG-62649
Change-Id: I85d0e3dd6bd428dd351ebf22281b1f4d9a1b2dc4
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
This commit is contained in:
Morten Johan Sørvig 2019-01-10 12:54:21 +01:00
parent 8421a1f16d
commit e4ee001dea
1 changed files with 3 additions and 0 deletions
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src/gui/kernel/qscreen.cpp
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@ -67,6 +67,9 @@ QT_BEGIN_NAMESPACE
desktop environment's settings panel, to let the user globally control UI
and font sizes in different applications.
\note Both physical and logical DPI are expressed in device-independent dots.
Multiply by QScreen::devicePixelRatio() to get device-dependent density.
\inmodule QtGui
*/