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Asked: 2026-05-15T06:55:29+00:00

I am not certain what it is that QPainter does when I invoke save()

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I am not certain what it is that QPainter does when I invoke save() and restore().

Is it saving the image it is drawing or is it just saving information like penWidth and color etc.?
Could I use it to restore the image of a previous paint event?

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1 Answer

  1. Editorial Team

    From the documentation:

    You can at any time save the QPainter’s state by calling the save() function which saves all the available settings on an internal stack. The restore() function pops them back.

    All those settings are listed at the given link. So it is just saving the paint settings and nothing that’s actually painted.

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