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  1. Qt
  2. QTBUG-75824

QIcon ignores high DPI setting on pixmaps

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    • Icon: Bug Bug
    • Resolution: Incomplete
    • Icon: P2: Important P2: Important
    • None
    • 5.12.3, 5.15.2
    • None
    • tested on mac with hidpi monitor
    • All

      QIcon doc suggests using files to create Hi DPI icons. but if that's not possible, because you programmatically create QPixMaps, or because your existing subsystem uses QPixMaps for everything, or any other valid reason, then it is not possible to create Hi DPI QIcons.

      When attempting to create QIcon from QPixMap, you'd expect to be able to do this:

      qPix->setDevicePixelRatio(devicePixelRatio());
      QIcon icon(qPix);

      and have the aspect ratio to be preserved in the icon, but it is not

      previously reported here, but then ignored for some reason?

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            sorvig Morten Sørvig
            davecotter David M. Cotter
            Veli-Pekka Heinonen Veli-Pekka Heinonen
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              Created:
              Updated:
              Resolved:

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