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  1. Qt
  2. QTBUG-134734

drawText function lead to Debug Assert with specific fonts

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Details

    • Bug
    • Resolution: Duplicate
    • Not Evaluated
    • None
    • 6.5.2
    • GUI: Font handling, GUI: Painting, GUI: Text handling
    • None
    • Building with QtCreator (packed in Qt 6.5.2 download) in Debug mode
    • Windows

    Description

      With this mini demo program main-1.cpp
      Build with Qt 6.5.2 Debug build. It lead to a Debug Assert as shown in the attached screenshot.
      This debug assert only happen with some fonts.
      If I change the font to "Arial" (main.cpp), there is not Debug Assert.

      Attachments

        1. main.cpp
          0.7 kB
        2. main-1.cpp
          0.7 kB
        3. Screenshot 2025-03-14 132553.png
          Screenshot 2025-03-14 132553.png
          136 kB
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        Activity

          People

            esabraha Eskil Abrahamsen Blomfeldt
            shugang Shugang Kang
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            Dates

              Created:
              Updated:
              Resolved:

              Gerrit Reviews

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