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  1. Qt
  2. QTBUG-64229

setMask does not work well on retina due to QRegion resolving QRegion::Ellipse to rects without scale factor

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    Description

      When setting a mask on a top level window it will not display correctly on retina displays. This can be tested using the shapedclock example in qtbase/examples/widgets/widgets, the outline is not smooth, whereas on a non-retina display it is smooth.

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          Suggestion - Public suggestions QTBUG-71951 add QML API for window mask

          • P4: Low - Would be nice to fix, but it's not very important.
          • Reported
          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-97642 When a mask is set on a widget after being moved to a different display with a different DPR then it can end up not being set correctly because it is seen as the same as the previous one

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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              vestbo Tor Arne Vestbø
              andysh Andy Shaw
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                Resolved:

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