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FontMetrics in QWindow?

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  • S Offline
    S Offline
    samy03
    wrote on last edited by
    #1

    Hi guys,

    How can I get fontMetrics of a font in my QWindow that I am using for OpenGL?

    I was using a command like this in QWidget:
    fontMetrics().width(text());

    But this command does not work in QWindow. I even tried creating a widget inside a QWindow but I still was not able to use the command shown above.
    Is there a way I can use the same command on QWindow? Or maybe another way to get similar results in QWindow?

    Thank you,

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi,

      What are you trying to achieve with that QWindow ?

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • S Offline
        S Offline
        samy03
        wrote on last edited by
        #3

        I am running a program for text scrolling in beaglebone. I need Opengl to get beaglebone's GPU working, hence had to use QWindow.

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #4

          You can also use the Graphics View framework with a QOpenGLWidget as backend.

          Interested in AI ? www.idiap.ch
          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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          • S Offline
            S Offline
            samy03
            wrote on last edited by
            #5

            How can I do that? Is there any example I can look at?

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            • SGaistS Offline
              SGaistS Offline
              SGaist
              Lifetime Qt Champion
              wrote on last edited by
              #6

              It's described in the QGraphicsView details using QGLWidget, but it's the ancestor of QOpenGLWidget.

              Interested in AI ? www.idiap.ch
              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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