On Aug 22, 2008, at 2:46 PM, Charles Srstka wrote:
On Aug 21, 2008, at 10:02 PM, Ricky Sharp wrote:
(1) never ever ever capture the display when using AppKit.
This appears to be incorrect, as Apple seems to endorse and even
provides sample code for capturing the screen while using AppKit:
http://developer.apple.com/documentation/Cocoa/Conceptual/CocoaDrawingGuide/AdvancedDrawing/chapter_9_section_4.html#/
/apple_ref/doc/uid/TP40003290-CH207-DontLinkElementID_8
Hmm...they are not explicit about what they're doing in that doc.
It's really about situations where you want complete control over all
drawing (e.g. via OpenGL)
Apple engineers on quartz-dev first pointed out the huge problems you
can run into if mixing captured displays with AppKit such that AppKit
will also be drawing stuff.
You'll end up with numerous issues if attempting, for example, to use
NSAlert. Alert windows usually will end up below your content window
since its "too high" in the window list.
You can also end up with numerous drawing artifacts.
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Ricky A. Sharp mailto:[EMAIL PROTECTED]
Instant Interactive(tm) http://www.instantinteractive.com
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