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  1. Qt
  2. QTBUG-44014

QPixmapIconEngine uses wrong icon on non-retina displays

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Details

    • Bug
    • Resolution: Fixed
    • P2: Important
    • 5.14
    • 5.4.0
    • GUI: High-DPI, GUI: Painting
    • None
    • 61def1f6cdf2eff521f77c9186fc3bb929359ab9 5911335756dff5a917e4a7ccf025816c08ddd656

    Description

      QPixmapIconEngine::paint calls qt_effective_device_pixel_ratio with window = 0, which qApp->devicePixelRatio

      This results in down-scaled retina images used on non-retina screens, which looks quite ugly.

      With patch applied the device aspect ratio is taken from painter instead.

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        Issue Links

          relates to

          Task - A task that needs to be done. QTBUG-49820 Qt icon and image versioning support update

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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          Activity

            People

              sorvig Morten Sørvig
              knopp Matej Knopp
              Veli-Pekka Heinonen Veli-Pekka Heinonen
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              Dates

                Created:
                Updated:
                Resolved:

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