[Solved]et the size of the QGraphicsView
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"The red rectangle":http://postimage.org/image/gqrf29mrh/
It is a QGraphicsView under a QMainWindow
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graph_scene_ = new QGraphicsScene(this);
graph_scene_->addItem(graph_pixmap_ = new QGraphicsPixmapItem);
graph_view_ = new QGraphicsView(graph_scene_, this);graph_view_->setDragMode(QGraphicsView::ScrollHandDrag); setCentralWidget(graph_view_);
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I only need the size of the area surrounded by the red rectangle but not the whole
area which could reach by the scrollBar. -
I just find the answer, size() and viewport()->size()
whatevever, I need to find out the different of these
size.Thanks