I\'m drawing polygons using the Graphics View framework. I added a polygon to the scene with this: QGraphicsPolygonItem *poly = scene->addPolygon(QPolygonF(vector_of_QPointF));
hello i\'m learning qt andi\'m doing the folowing to add some widgets to a graphics scene void MainWindow::addWidgets(QList<QWidget *> &list, int code)
I would like to have a background image in my QGraphicsView that is always scaled (and cropped if necessary) to the size of the viewport, without scrollbars and without scrolling with the keyboard and
This has been bugging me for more than two days now, so i thought i should ask. I am using Qt 4.5.3 (compiled with VC2008) on Win7.
I\'m writing a little GUI utility in Qt4 which uses a QGraphicsScene.One of the items tracks the mouse in the horizontal plane as you move it around, and holding down a modifier key allow开发者_JAVA技
I\'m trying to test whether a given point开发者_StackOverflow社区 (x, y) is located on or close to the outline of a QGraphicsPathItem.
I am drawing some polygons using the Qt4 GraphicsView framework, and I allow the user to zoom in and out of the drawing. I would like the polygons to get larger and smaller as the user changes zoom l开
I am using the Qt Graphics View framework to create a scene and attach multiple views to the same scene, where these views render a 3D openscenegraph scene as background and the 2D drawings are kind o
I have a QGraphicsScene where I initially drew the background in the drawBackground() function. H开发者_JS百科owever, this required quite a few calculations and turned out to be pretty slow so I creat
Qt\'s QGraphicsScene provides some nice functionality out of box: user can select objects and move them around.