How can I change QGraphicsView background like this image.
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Gamma
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Do you want the image (which has lines but could have a lion), or to have lines drawn in the background as a grid similar to your attached image? If it is the earlier, [this](https://forum.qt.io/topic/6313/qgraphicsview-with-qpixmap-background) might help. If it is the later, maybe [this](https://stackoverflow.com/questions/37981512/draw-a-line-with-qpainter-using-qgraphicsview-subclass) can help. – apalomer Dec 06 '17 at 20:06
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@apalomer I need second one, lines drawn in the background as a grid similar to this image – Gamma Dec 06 '17 at 20:20