Class SceneViewState

src/domain/UBGraphicsScene.h:255–274

        static QRectF itemRect(const QGraphicsItem* item);

        class SceneViewState
        {
            public:
                SceneViewState()
                {
                }

                SceneViewState(qreal pZoomFactor, int pHorizontalPosition, int pVerticalPostition, QPointF sceneCenter = QPointF())// 1595/1605
                    : zoomFactor{pZoomFactor}
                    , horizontalPosition{pHorizontalPosition}
                    , verticalPostition{pVerticalPostition}
                    , mLastSceneCenter{sceneCenter}
                {
                }

                qreal zoomFactor{1};
                int horizontalPosition{0};
                int verticalPostition{0};
                QPointF mLastSceneCenter{};
        };

        SceneViewState viewState() const
        {