Get the same result by new API(QGraphicsItem)
General and Desktop
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QGraphicsItem *item3 = createItem( 400);
//these wouldn't do what I want
//item3->setTransformOriginPoint(item3->boundingRect().center());
//item3->setTransform(item3->transform().fromScale(0.5, 0.7), true);
//this will do want I want to do, 500 and 100 is the scaling center I want(same as boundingRect().center())
item3->translate( 500, 100 );
item3->scale( 0.5, 0.7 );
item3->translate( -500, -100 );
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