Qt QGraphicsView - BackgroundBrush Translate

[saransiva_ps]

I have created a view class derived from QGraphicsView and set the backgroundBrush as an image.
I want to translate the backgroundBrush. I have tried the following

// graphicsView derived from QGraphicsView 
   graphicsView->backgroundBrush().transform().translate(moveX, moveY);

// graphicsView derived from QGraphicsView 
   graphicsView->backgroundBrush().transform().translate(moveX, moveY);

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But it is not transforming the background brush.