https://forum.qt.io/topic/51449/draggable-bezier-curve-points-with-qpainterpath-in-qgraphicsview
Draggable Bezier curve points with QPainterPath in QGraphicsView | Qt Forum
Feb 23, 2015 - I want to draw a Bezier curve on a QGraphicsView, and have the 2 middle control points be draggable. Here's where I'm at now: -I have a class called CurvesGr...
draggablebeziercurvepointsqt
https://doc.qt.io/qt-6.5/qpainterpath.html
QPainterPath Class | Qt GUI 6.5.12
The QPainterPath class provides a container for painting operations, enabling graphical shapes to be constructed and reused.
classqtgui