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  1. Qt
  2. QTBUG-65981

QWidget not rendering when used QGraphicsOpacityEffect with opacity 1.0

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Details

    • Bug
    • Resolution: Duplicate
    • P3: Somewhat important
    • None
    • 5.9.4
    • Widgets: Widgets and Dialogs
    • None
    • Windows 10 Pro (1709)
      OS X El Capitan (10.11.5)

    Description

      Step to reproduce:

      1. Create QGraphicsOpacityEffect
      2. For QGraphicsOpacityEffect set opacity to 1.0
      3. Create QWidget or an inherited class (for example QPushButton)
      4. Set QGraphicsOpacityEffect to widget's graphics effect

      Result: QWidget not rendering

      I think it's may be related with https://bugreports.qt.io/browse/QTBUG-60231

      Attachments

        1. 5.9.3-correct.png
          5.9.3-correct.png
          4 kB
        2. 5.9.4-incorrect.png
          5.9.4-incorrect.png
          3 kB
        3. opacity-effect-bug.zip
          2 kB
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        Activity

          People

            qt.team.quick.subscriptions Qt Quick and Widgets Team
            aristem Artem Shletgauer
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            Dates

              Created:
              Updated:
              Resolved:

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