On Fri, Feb 10, 2012 at 4:44 PM, koko <[email protected]> wrote: > I have two monitors connected. > > When I call NSreadPixel with a point that is on the main screen, origin 0,0 > it returns the appropriate NSColor; > > When I call NSreadPixel with a point that is on the 2nd screen, origin > -1280,0 it returns nil as the NSColor; > > So, how do I get the NSColor for a pixel whose x coordinate is <0?
1. Are you sure you're actually passing the correct point? NSReadPixel operates in the coordinate system of the currently-focused view. You might be getting the right color by sheer luck. 2. Why are you using NSReadPixel at all? There might be better ways of accomplishing your goal. --Kyle Sluder _______________________________________________ Cocoa-dev mailing list ([email protected]) 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 [email protected]
