WebUsing QPrintPreviewWidget is straightforward: Create the QPrintPreviewWidget. Construct the QPrintPreviewWidget either by passing in an existing QPrinter object, or have QPrintPreviewWidget create a default constructed QPrinter object for you. Connect the paintRequested () signal to a slot. When the widget needs to generate a set of preview ... 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 ...
python - QGraphcisView.fitInView shrinks scene - Stack Overflow
http://www.uwenku.com/question/p-colwzbzi-bgt.html WebDec 11, 2024 · 前言. 在 PyQt 中可以使用很多方式实现照片查看器,最朴素的做法就是重写 QWidget 的 paintEvent()、mouseMoveEvent 等事件,但是如果要在图像上多添加一些形状,那么在对图像进行缩放旋转等仿射变换时需要对这些形状也这些变换,虽然不难,但是从头实现这些变换还有形状还是挺讨厌的。 simplisafe cnet review
python - 如何正确缩放 QGraphicsScene - IT工具网
WebC++ QGraphicsView::fitInView使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。. 您也可以进一步了解该方法所在 类QGraphicsView 的用法示例。. 在下 … WebC++ (Cpp) fitInView - 30 examples found. These are the top rated real world C++ (Cpp) examples of fitInView extracted from open source projects. You can rate examples to help us improve the quality of examples. WebMar 26, 2015 · FitInView. 原来只要计算好显示面积大小,然后使用该函数就可以完成效果,这样一来可以使用获得场景中items的boundingRect就可以了。. fitInView (moScneeRect); 通过这个函数又在需要解决将查找到 … simplisafe command strips size