How to keep the scale of the rolling text in QGraphicsItem in QGraphicsScene smasshtabirovannogo?

Good afternoon. There is a scene where you see items (QGraphicsItem) with changeable text.
If the scene scales, the scales and text. The text in the element can vary.
How to make a text item is not scaled?

I tried to set a flag setFlag(ItemIgnoresTransformations, true); but it does not change the text.

Method QPen::setCosmetic(true); saves the width of the frame and is also out.
July 9th 19 at 11:10

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