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: http://pfiddlesoft.com/pfiddles. I am having difficulty upgrading it to handle a mix of retina and non-retina displays. All help appreciated. The specific problem is

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 wjcheese...@gmail.com 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

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 rsomers...@awinets.com 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

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 wjcheese...@gmail.com 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