Qgraphicsview size
Web我試圖找出如何在QGraphicsView中當前可以看到的像素與QGraphicsItem圖像中的實際像素之間進行映射。 例如,如果我的查看器是 x 而我的圖像是 x ,那么當圖像加載並且不受影響時,圖像的 , 像素對應於查看者的 , 像素。 現在,如果我將圖像拖動到右邊的 個像素,那么圖 … WebC++ (Cpp) QGraphicsView::resize - 8 examples found. These are the top rated real world C++ (Cpp) examples of QGraphicsView::resize extracted from open source projects. You can …
Qgraphicsview size
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WebOct 10, 2007 · if you want to set initial size of QGraphicsview then you can use sizeHint. or QGridScene m_scene = new QGraphicsScene (0,0,1000,600, this ); // define size here … WebHowever, the QGraphicsView simply ignores resize(), here is the relevant code: QGraphicsScene* scene = new QGraphicsScene; QGraphicsView* view = new …
WebMay 24, 2024 · Viewed 1k times 1 I'm trying to adjust QGraphicsView to size of my window, but my solutions just doesn't work. White rectangle is my QGraphicsView. I need to stretch it to cover whole black space and resize it automatically when my app window is resized. Is it possible in Qt? Here is code used to create QGraphicsView: WebQGraphicsView can be used to visualize a whole scene, or only parts of it. The visualized area is by default detected automatically when the view is displayed for the first time (by calling QGraphicsScene::itemsBoundingRect ()). To set the visualized area rectangle yourself, you can call setSceneRect ().
Web所以我在Qt Designer中创建了我的UI的主窗口,我试图让一个 QtChart 显示在我的窗口中的一个选项卡中。. 我将.ui文件导入到一个python程序中,到目前为止,我可以让主窗口显示良好,但不是图表。. 我花了一天的大部分时间试图按照上面答案中列出的说明进行操作 ... WebOct 18, 2013 · The QGraphicsView (which subclasses QFrame) has a border. If you add the below line to your init method: self.view.setFrameShape (QtGui.QFrame.NoFrame) then you remove the 1px frame and it works as you expect! Share Improve this answer Follow answered Oct 18, 2013 at 1:34 three_pineapples 11.4k 5 38 74 Add a comment Your Answer
WebQGraphicsView is part of the Graphics View Framework . To visualize a scene, you start by constructing a QGraphicsView object, passing the address of the scene you want to …
http://www.uwenku.com/question/p-kaajmwjs-do.html idmb there is no gameWebNov 28, 2013 · 1. I am now trying to resize a qgraphicsview to a preffered size: I am using layouts: this->layout ()->addWidget (&qtview); I have layouts everywhere, so thet the size … idm buildingsmartWebMar 22, 2011 · QGraphicsView *view; QGraphicsScene *scene; But then in the constructor you re-declare them as local: QGraphicsView *view = new QGraphicsView (); … idm by galatrucWebSep 20, 2024 · My solution will fit the height of the smallest rectangle that encapsulates all the items (sceneRect) to the viewport of the QGraphicsView. So set the height of the items a value not so small so that the image quality is not lost. I … is s corporation eligible for 1099Web拖动到窗口内的文件,当鼠标抬起时触发丢弃事件,如果类型是图片文件就在QGraphicsView里显示。. void resizeEvent (QResizeEvent *event);//窗口大小变化事件. 当 … is s corporation a corporationWebI would like to connect the PyQtGraph mouse wheel zoom function to a QSlider widget. So when i zoom in/out on the graph, I would get the range of the viewbox and the slider window should follow in sliding range. The closest example of how I would like it to be can be found in this PyQtGraph example: iss corporate ratingWebNov 25, 2014 · I use the following code to set the size of my QGraphicsScene and my QGraphicsView: @ view->setFixedSize (width, height); view->setSceneRect (0, 0, width, … is s corporation income earned income