Curve through points

[barry2310]

Thanks for the replies guys.

I went with the Qwt 6.2 option.

I implemented the QwtSplineCurveFitter and I have what I want.

Here is my implementation for anyone who has this issue:

QVector<QPointF> points;
    points << startPoint;
    for (int i=0; i<mHandles.size(); i++) {
        points << mHandles.at(i)->scenePos();
    }
    points << endPoint;
 
    QPainterPath testCurve;
 
    QwtSplineCurveFitter curveFitter;
    testCurve = curveFitter.fitCurvePath(QPolygonF(points));
    painter->drawPath(testCurve);

QVector<QPointF> points;
    points << startPoint;
    for (int i=0; i<mHandles.size(); i++) {
        points << mHandles.at(i)->scenePos();
    }
    points << endPoint;
 
    QPainterPath testCurve;
 
    QwtSplineCurveFitter curveFitter;
    testCurve = curveFitter.fitCurvePath(QPolygonF(points));
    painter->drawPath(testCurve);

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Uwe, thank you so much for this! I had been trying to come up with a solution for a long time!

- Barry