Hi Folks,
In my application, I am reading some data from a file on disk, processing it,
and sending that computed array through the NSImageRepresentation -> NSImage ->
NSImageView -> NSWindow chain for viewing. After the data is processed, I call
[myView setNeedsDisplay: YES];
[myView displayIfNeeded];
to keep the displayed data concurrent with the stage of processing.
The app works as advertised on Leopard. Everything draws on cue, and controls
on a panel to manipulate the processing done to the data before it is drawn to
the content view work as I programmed them to. However, when I try to do this
on Tiger, the final data view is not drawn or updated. I've managed to trigger
a draw or update a couple of times by maximizing the content window. However,
that doesn't consistently work. Dragging the corner of the window to resize it
and the view doesn't seem to work at all.
Any ideas what I can look for to track down the differences in view drawing
between 10.4 and 10.5 ? I'm using XCode 3.1.2 on 10.5 (I think that's the same
on my 10.4 machine, but I don't have access to that right now to confirm) and
both systems are Intel Core 2 machines, with all of the system updates applied.
Thanks everyone.
cheers
vinai
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