On Apr 22, 2013, at 12:26 AM, Motti Shneor <su...@bezeqint.net> wrote:
> I already succeeded in capturing the contents of the view as an image-buffer > (out of the CALAyer's context) and I can (brutally) solve my problem by > setting up a timer that will sample the view's contents N times a second. > However, I'd like to avoid transmitting anything when the view doesn't change A quick & naive idea is to subclass UIWebView and override -drawRect: to call the inherited method and then set a timer that will capture the view's pixels a fraction of a second later. (You'd want a timer for coalescing purposes, since there are likely to be multiple calls in a short time interval.) The reason I say this is naive is because UIWebView almost certainly has a whole tree of views inside it that do the actual drawing, so the actual -drawRect: calls are probably going to those instead. But you could give this a try and see if you get anything useful. —Jens _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
