Re: HiDPI retina issue with multi-screen overlay window and Core Animation

2013-01-12 Thread Richard Somers
On Jan 12, 2013, at 12:53 PM, William J. Cheeseman wrote: > I have no prior experience in this area. Can a cursor be created that > animates using Core Animation? I know you can do offscreen rendering with some parts of Core Animation. So perhaps you could have your offscreen rendering machin

Re: HiDPI retina issue with multi-screen overlay window and Core Animation

2013-01-12 Thread William J. Cheeseman
On Jan 12, 2013, at 11:21 AM, Richard Somers wrote: > A single window which overlays multiple screens with each screen using a > possibly different backingScaleFactor. Wow! It's the only way I could find to detect when the mouse enters any particular screen, using NSTrackingArea with -[NSResp

Re: HiDPI retina issue with multi-screen overlay window and Core Animation

2013-01-12 Thread Richard Somers
On Jan 12, 2013, at 7:08 AM, William J. Cheeseman wrote: > My best guess is that the problem results from the fact that the overlay > window spans all attached screens. An NSLog() call confirms that the window's > backingScaleFactor is always 1.0 (because it is initially created on a > non-ret

HiDPI retina issue with multi-screen overlay window and Core Animation

2013-01-12 Thread William J. Cheeseman
My Pointer Noodge application displays an animated image surrounding the mouse pointer using a layer-hosting multi-screen view: . I am having difficulty upgrading it to handle a mix of retina and non-retina displays. All help appreciated. The specific problem is