Re: Command line tool using NSImage?
Re: Command line tool using NSImage?
- Subject: Re: Command line tool using NSImage?
- From: Ken Thomases <email@hidden>
- Date: Sat, 21 Aug 2010 04:33:40 -0500
On Aug 21, 2010, at 2:26 AM, Jaime Magiera wrote:
> I've got a OSX command line tool that I wish to run in a shell and via a WebObjects application. The binary tool is linked to a framework I wrote which contains NSImage manipulations. It seems the [NSApplication sharedApplication] trick isn't working. I'm still getting...
>
> Aug 21 02:56:45 node2 MyApp[28773]: An uncaught exception was raised
> Aug 21 02:56:45 node2 MyApp[28773]: Error (1002) creating CGSWindow
> Aug 21 02:56:45 node2 MyApp[28773]: *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Error (1002) creating CGSWindow'
>
> The binary is running on Leopard. Are there any ways to run NSImage methods in a command line app run remotely? Did I perhaps miss a step?
A web server is a form of daemon. A remote shell has some of the same restrictions as a daemon or agent. In either case, the Execution Contexts section of TN2083 will probably be helpful:
http://developer.apple.com/mac/library/technotes/tn2005/tn2083.html#SECEXECUTIONCONTEXTS
In short, you can't reliably use AppKit (including NSImage) from a daemon or remote shell.
Regards,
Ken
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