qgraphicsscene :: itemat
The QGraphicsScene class provides a surface for managing a large number of ...... QGraphicsItem *QGraphicsScene::itemAt(qreal x, qreal y, const QTransform ... ,QGraphicsScene::ItemIndexMethod, itemIndexMethod() const .... For convenience, there is also an itemAt() function that returns the topmost item at a given ...
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 qgraphicsscene :: itemat 相關參考資料
QGraphicsScene Class | Qt 4.8 - Qt Documentation
QList<QGraphicsItem *>, items(const QRectF & rect, Qt::ItemSelectionMode ...... QGraphicsItem * QGraphicsScene::itemAt(qreal x, qreal y, const QTransform ... https://doc.qt.io QGraphicsScene Class | Qt Widgets 5.10 - Qt Documentation
The QGraphicsScene class provides a surface for managing a large number of ...... QGraphicsItem *QGraphicsScene::itemAt(qreal x, qreal y, const QTransform ... https://doc.qt.io QGraphicsScene Class | Qt Widgets 5.13.0 - Qt Documentation
QGraphicsScene::ItemIndexMethod, itemIndexMethod() const .... For convenience, there is also an itemAt() function that returns the topmost item at a given ... https://doc.qt.io QGraphicsScene Class | Qt Widgets 5.7 - Qt Documentation
QGraphicsScene(const QRectF &sceneRect, QObject *parent = Q_NULLPTR) ...... QGraphicsItem *QGraphicsScene::itemAt(qreal x, qreal y, const QTransform ... https://doc.qt.io QGraphicsScene Class | Qt Widgets 5.9 - Qt Documentation
The QGraphicsScene class provides a surface for managing a large number of ...... QGraphicsItem *QGraphicsScene::itemAt(qreal x, qreal y, const QTransform ... https://doc.qt.io QT5中运行QT4场景程序QGraphicsItem *QGraphicsScene::itemAt 函数 ...
#include <QApplication> #include <QGraphicsScene> #include <QGraphicsRectItem> #include <QDebug> #include <QGraphicsView> https://www.cnblogs.com The function QGraphicsScene::itemAt problem | Qt Forum
I've used the function itemAt to determine which item has selected when QGraphicsScene::mousePressEvent is called. But it does not always ... https://forum.qt.io what is the qtransform in QGraphicsScene::itemAt() - Stack Overflow
QGraphicsItem * QGraphicsScene::itemAt ( const QPointF & position, const QTransform & deviceTransform ) const. Returns the topmost visible ... https://stackoverflow.com [solved] itemAt() in 5.3 depreciated ? | Qt Forum
"docs 5.3":http://qt-project.org/doc/qt-5/qgraphicsscene-compat.html. @QGraphicsItem * QGraphicsScene::itemAt(const QPointF & position) ... https://forum.qt.io |