Top "Qgraphicsscene" questions

A QGraphicsScene is a class from the Qt toolkit that provides a surface for managing a large number of 2D graphical items.

How to use QPainter on QPixmap

I'm a newbie to Qt/Embedded. I want to use QPainter to draw stuff on a QPixmap, which will be …

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How to draw a point (on mouseclick) on a QGraphicsScene?

I have the following code to set up a QGraphicsScene. I wish to click on the scene and draw a …

c++ qt qgraphicsscene mouseclick-event
QImage in a QGraphics scene

I am quite new to Qt. I am having troubles in inserting a QImage to a scene. Could somebody please …

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Tracking mouse move in QGraphicsScene class

I subclassed QGraphicsScene and added method mouseMoveEvent to handle mouse move event. I created a ruler on top of GraphicsView …

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How to set QGraphicsScene/View to a specific coordinate system

I want to draw polygons in a QGraphicsScene but where the polygons has latitude/longitude positions. In a equirectangular projection …

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QGraphicsScene::clear() clearing scene but not the view

I use a custom class (Configuration) derived from QGraphicsItem and I add its objects to a QGraphicsScene, which is then …

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PyQt: Trying to understand graphics scene/view

I'm trying to make sense of QGraphicsView and QGraphicsScene, specifically how to place graphics items and have them appear where …

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Showing a popup menu on QGraphicsScene click or right click

Is there a way to show a popup when the user right clicks on an empty portion of the scene? …

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Qt: having selected items appear on top in QGraphicsScene

So i have a QGraphicsScene with various items. Some of the can take the same coordinates in the scene. When …

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Adjusting QPen thickness when scaling QGraphicsView?

One amazing feature of QGraphicsView is its ability to scale itself with its scene's content (every QGraphicsItem inserted in the …

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