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  1. Qt
  2. QTBUG-63559

Regression: QCocoaBackingStore detaches and copies on paint.

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Details

    • Bug
    • Resolution: Done
    • P1: Critical
    • 5.10.0 Beta 1
    • 5.10.0 Alpha
    • QPA
    • None
    • macOS

    Description

      Regression from 5.9.

      Set a breakpoint or add a qDebug() in QImage::copy(). Run attached program which repaints on mouse over. On 5.10 this will break or print in the QImage copy function. Resizing the window works as expected, with no copy.

      Attachments

        1. paintdetach.zip
          1 kB
          Morten Sørvig
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            vestbo Tor Arne Vestbø
            sorvig Morten Sørvig
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            Dates

              Created:
              Updated:
              Resolved:

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