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 … http://www.cleartechfei.com/2024/07/qgraphicsview%e5%9b%be%e5%bd%a2%e8%a7%86%e5%9b%be%e6%a1%86%e6%9e%b6%e4%bd%bf%e7%94%a8%e4%b8%89%e4%bd%8d%e7%a7%bb%e5%8f%98%e6%8d%a2%e5%92%8c%e5%9b%be%e5%85%83%e5%ae%9a%e4%bd%8d/

全新的视图绑定工具 — ViewBinding 使用指南-云社区-华为云

Web它仅使用 setGeometry。然后我创建了一个只有一个非常长的矩形的QGraphicsScene。我希望图形场景适合查看，所以我使用了 QGraphicsView::fitInView。一切正常，但问题来 … Web与其使用 QGraphicsView::fitInView，不如将主图像保存在内存中并使用 QPixamp::scaled 创建图像的缩放版本，每次选择 FitInView，或用户放大/缩小。 然后用 setPixmap 在 … small businesses supporting each other

python - 如何在 QGraphicsView 中启用平移和缩放 - IT工具网

WebJul 2, 2015 · If you're trying to fit the whole scene into the view with fitInView, what I think you're seeing is the borders of the mainWindow (QDeclarativeView). Look at removing those to prevent the white border displaying. It may be that setting the frameRectangle to a zeroed rect, or inheriting and setting the margins to zero will help. – http://www.uwenku.com/question/p-colwzbzi-bgt.html 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). small businesses remote desktop software