Your draw methods are not overriding - they have a QRect while QwtPlotItem::draw has a QRectF in the signature.
Using the C++11 override keyword would have told you.
HTH,
Uwe
Expert
Re: Qwt Plot Grid and Plot Background problem when updating qwt 5.2.3 to 6.1.6
Your draw methods are not overriding - they have a QRect while QwtPlotItem::draw has a QRectF in the signature.
Using the C++11 override keyword would have told you.
HTH,
Uwe
olredi (9th April 2021)
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