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Thread: Does a simple QwtPlot need Qt5PrintSupport.dll?

  1. #1
    Join Date
    Apr 2012
    Qt products
    Unix/X11 Windows

    Default Does a simple QwtPlot need Qt5PrintSupport.dll?

    It is not an urgent question but I am kind of curious.

    I made a simple QwtPlot application,
    however, in order to start it from my release folder I also need
    Qt5PrintSupport.dll although I did not implement any print functionality.

    Is it the way it should be or do I misunderstand something?


  2. #2
    Join Date
    Feb 2006
    Munich, Germany
    Thanked 871 Times in 819 Posts
    Qt products
    Qt3 Qt4 Qt/Embedded
    MacOS X Unix/X11 Windows

    Default Re: Does a simple QwtPlot need Qt5PrintSupport.dll?

    QwtPlot itself doesn't need it, but QwtPlotRenderer has this dependency for PDF export or - of course - printing.

    The implementation of QwtPlotRenderer disables this code depending on QT_NO_PRINTER - so in case you are on an embedded system, where you like to get rid of it you could build Qt without printer support. Otherwise you would have to patch the code in qwt_plot_renderer.cpp - simply replaceing "#ifndef QT_NO_PRINTER" by "#if 0".


  3. The following user says thank you to Uwe for this useful post:

    sirop (18th April 2015)

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