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  1. Qt
  2. QTBUG-99266

[Qt Quick 2D Renderer] Text underlines rendering is broken on fractional screen's scale factors

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Details

    • Bug
    • Resolution: Unresolved
    • P2: Important
    • None
    • 5.15.2, 6.2.2
    • Quick: 2D Renderer
    • None
    • Windows

    Description

      Text underlines rendering is broken on fractional screen's scale factors when Software graphics backend is used

      #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
    QQuickWindow::setSceneGraphBackend(QSGRendererInterface::Software);
#else
    QQuickWindow::setGraphicsApi(QSGRendererInterface::Software);
#endif

      Reproduced at least on 125% screen's scale factor.

       

      See attached simple example.

      Attachments

        1. image-2021-12-16-14-27-07-721.png
          93 kB
          Vladimir Belyavsky
        2. image-2021-12-17-11-22-13-613.png
          89 kB
          Vladimir Belyavsky
        3. untitled.zip
          2 kB
          Vladimir Belyavsky

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-96465 Text's underline thickness is unstable on fractional screen's scale factors

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

          Activity

            People

              janichol Andy Nichols
              studiosus Vladimir Belyavsky
              Votes:
              3 Vote for this issue
              Watchers:
              2 Start watching this issue

              Dates

                Created:
                Updated: