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  1. Qt
  2. QTBUG-112742

REG: QScreen physicalSize() return wrong results on Android / Qt 6.5 - returns pixels not millimeters

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    • Android
    • 436923a76 (dev), 60dd3b71b (6.6), c0e0b5605 (dev), be75a373e (6.5), b36eaa398 (6.6), 282e3a002 (6.5)
    • 2023wk18FOQtforAndroid, 2023wk20FOQtforAndroid, 2023wk22FOQtforAndroid

      When using Qt 6.5 on Android, the QScreen physicalSize() return the size of the screen in pixel instead of the size in millimeter, like before. The result is that we can't compute screen diagonal anymore.

      Qt 6.5

      UtilsScreen::printScreenInfos()
- screen size()     QSize(393, 775)
- screen geometry (dpi corrected)   QSize(1081, 2131)
- screen dpi          8.82759
- screen dpi          72
- screen pixel ratio  2.75
X screen size (physical, mm)        QSizeF(1080, 2340)
- screen size (diagonal in inches)  101.465

      Qt 6.4

      UtilsScreen::printScreenInfos()
- screen size()       QSize(393, 851)
- screen geometry (dpi corrected)   QSize(1081, 2340)
- screen dpi (physical) 149.03
- screen dpi (logical)  72
- screen pixel ratio    2.75
> screen size (physical, mm)        QSizeF(67, 145)
- screen size (diagonal, inches)    6.28862

       

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            assam Assam Boudjelthia
            emeric Emeric Grange
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              Created:
              Updated:
              Resolved: