NSWindow backing
NSWindow backing
- Subject: NSWindow backing
- From: Jeff LaMarche <email@hidden>
- Date: Sun, 11 Dec 2005 14:56:53 -0500
Does anyone know the status of NSWindow backings now? The Anguish/
Yacktman/Buck book states that since 10.1, only the buffered backing
option is actually used, regardless of which option is selected, but
stated that that might change (I think the purple book came out when
10.2 was the current OS).
The "official" documentation reads just like the old OPENSTEP doc -
it just explains the difference between buffered, retained, and non-
retained, and doesn't mention anything about the retained and non-
retained options not working or being deprecated.
Does anyone know what the current status on this is, and does it
really matter any more except (perhaps) in rare situations where
you're accessing the window's bitmap data directly? I can't notice a
difference between non-retained and buffered, but I don't know if
that's because I'm not actually getting a non-retained window, or if
it's just because modern machines are so fast and have dedicated
graphics cards and memory.
Thanks,
Jeff
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