WebJun 29, 2024 · Now, what I want to achieve is that I can set the scene rect to be whatever I want, and then call QGraphicsView.fitInView to appropriately zoom in or scale the scene so it that it covers the entire graphics view. In this simple example, I would expect the code to zoom into the rectangle I've drawn (which is just the scene bounding box) across ... Web使用QGraphicsView方法Scene()赋值QGraphicsScene变量 得票数 0; Qt Embedded:使用QGraphicsView和QGraphicsWidget在两个屏幕上显示 得票数 0; 无法在Qt中调用PaintEvent (C++) 得票数 0; 如何使用QFileDialog在QGRaphicsView中保存缩放图像 得票数 0; 如何让Quasar QDialog在手机上全屏？ 得票数 0

[solved] QGraphicsView in a QTabWidget Qt Forum

Web我使用 GraphicsScene 来包含一个图形和几个垂直矩形“标记”。 ... 我知道适用于包含 GraphicsView 的 fitInView(来自这里:Issue with fitInView of QGraphicsView when ItemIgnoresTransformations is on)，但我不明白为什么它需要一个参数。我只希望场景适合 GraphicsView(垂直但不是水平)那么 ... WebNov 9, 2014 · When i click my btnFitView and executed: ui->graphicsView->fitInView (scene->sceneRect (),Qt::KeepAspectRatio); This is down scaling right? After fitInView () all lines are pixelated. It looks like a saw went over the lines on the image. For example: image of a car has lines, image of a texbook (letters become in very bad quality). bsl basic training

关于c ++：Qt：如何调整QGraphicsItem以动态更改大小 码农家园

Web您应该使用QGraphicsViews调整大小事件，而不是QGraphicsItems调整大小事件。 为此，我必须创建一个继承自QGraphicsView的类并获取事件大小调整事件？ ... fitInView使用其协调系统来缩放项目，因此如果以后我想将项目移动5像素，则超出了我想要的范围 ... WebA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. exchange district campus