Hi Stirling,

On Tuesday 4th March 2014 at 18:01, Stirling Westrup wrote:
> 
> I have an application where I'm using QtWebKit to render a website at 25 fps, 
> and am sending the stream of
> images to a remote video projection display as a video feed.
> 
> Right now I'm performing the rendering every frame, even for completely 
> static pages. I would like to have some
> way of knowing if I should re-render the page and ship it, or if I can just 
> re-use the last rendering because nothing
> has changed. 
> Is there any way to detect this?

You should be able to achieve this by connecting to the repaintRequested signal 
of the QWebPage that you are rendering (see 
http://qt-project.org/doc/qt-5/qwebpage.html#repaintRequested).

It's probably better to direct QtWebKit specific questions to the webkit-qt 
list ([email protected]) in future, since QtWebKit has been removed 
from WebKit trunk and the webkit-dev is usually used to discuss core WebKit 
development issues.

Best regards,
Michael
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