[Interest] Qt 5.1.1 render with both - OpenGL and QPainter - in one window?

[Bob Hood]

On 9/24/2013 8:15 AM, Thomas Meyer wrote:
> Hi,
> is it possible to use OpenGL and QPainter in one window (Qt 5.1.1)?
> And if it is possible, how and is it recommended?
> Example:
> I want to render the word "Triangle" into the 'OpenGL Window Example'
> (please see Qt Creator - Welcome - Examples).
>
> My first guess is, that it is not possible. I can only render with OpenGL or
> with QPainter, like the example shows.

Off the top of my head, have OpenGL render to a buffer, use QPainter to draw
on the buffer contents, then blit the result to the window.  Of course, you'd
want to set up some kind of double buffering for smooth display.

Just a thought.