QGraphicsView
QGraphicsView is a widget in the Qt toolkit that provides a window for viewing and interacting with a QGraphicsScene. It is part of the Graphics View Framework and serves as the visual component that renders the contents of a scene composed of QGraphicsItems. The view manages rendering, coordinate transformations, and user input, such as scrolling, selecting items, and performing drag operations.
QGraphicsView is typically used together with QGraphicsScene and QGraphicsItem. The scene owns the items and defines
Key features include render hints (for anti-aliasing and smooth pixmap transforms), viewport update modes (Full, Minimal,
In practice, a QGraphicsView is created, a QGraphicsScene is assigned with setScene, items are added to the