WebMar 2, 2024 · 1 Answer Sorted by: 1 The QUrl ("/path/of/video") is not a valid url since the scheme file that indicates that it is a local file is not deduced, there are 2 possible solutions to this: player->setMedia (QUrl::fromLocalFile (newString)); or player->setMedia (QUrl::fromUserInput (newString)); WebSep 7, 2024 · I want to display an image using QGraphicsView in a window. I have a basic QGraphicsView and a button based test.ui file generated from QtDesigner tool. Corresponding test.py file: # -*- coding: utf-8 -*- # Form implementation generated from reading ui file 'test.ui' # # Created by: PyQt5 UI code generator 5.9.2 # # WARNING!
how to set exact scene rect in QGraphicsView - Stack …
WebFeb 3, 2014 · QGraphicsView (parent) { scene = new QGraphicsScene (); this->setSceneRect (50, 50, 350, 350); this->setScene (scene); } void MyGraphicsView::mousePressEvent (QMouseEvent * e) { double rad = 1; QPointF pt = mapToScene (e->pos ()); scene->addEllipse (pt.x ()-rad, pt.y ()-rad, rad 2.0, rad 2.0, … WebJun 30, 2024 · GPUView ( GPUView.exe) is a development tool that reads logged video and kernel events from an event trace log (.etl) file and presents the data graphically to the … birchwood shopping centre facebook
python - 如何在 QGraphicsView 中显示 png 或 jpeg? - How can I …
WebNov 26, 2011 · ui->graphicsView->setScene(new QGraphicsScene()); Share. Follow answered Dec 13, 2024 at 9:36. Sumit Sumit. 1,475 11 11 silver badges 24 24 bronze badges. Add a comment Highly active question. Earn 10 reputation (not counting the association bonus) in order to answer this question. The reputation requirement helps … WebI create a GUI with Qt Designer, in which I include a QGraphicsView. In my main window I create a myGraphicsScene (class derived from QGraphicsScene, but with mouse press, move and release events overridden) and I set the scene to … Web文章目录源码untitled.pymain.py缩放图形界面使用Qt Designer绘制,如下菜单项添加一个open选项,窗口上是一个graphicsView组件。主要流程使用opencv 打开图片cv2转为QImageQImage转为QPixmap把QPixmap加入到QGr... birchwood shopping centre warrington facebook