Re: Drawing on Another App's CGDisplayCapture
Re: Drawing on Another App's CGDisplayCapture
- Subject: Re: Drawing on Another App's CGDisplayCapture
- From: Ben H Kram <email@hidden>
- Date: Thu, 22 Mar 2007 17:09:26 -0400
David,
Perfect!
That's considerably easier than wading through my class-dump of Keynote.
Thank you very much.
cheers,
ben
On Thu, Mar 22, 2007 at 01:59:00PM -0700, David Duncan wrote:
> On Mar 22, 2007, at 9:15 AM, Ben H Kram wrote:
>
> >I am assuming that Keynote uses CGDisplayCapture() to grab the
> >display. If I try to do the same when Keynote is in presentation
> >mode, I get a kCGErrorNoneAvailable, which I would expect.
>
> There is a preference in Keynote ("Allow Expose, Dashboard and other
> Apps to use the screen" or something to that effect) that controls if
> Keynote captures the display or not. If you turn this preference off,
> then you can open a window above Keynote's display.
> --
> David Duncan
> Apple DTS Quartz and Printing
> email@hidden
>
>
--
Benjamin Kram
email@hidden
617.998.8592
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