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Message - Re: Quesa - Leaving Images Behind

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Posted by  Seth Willits on January 21, 2004 at 02:54:09:


On Jan 21, 2004, at 2:24 AM, Dair Grant wrote:

>> Either way though, that's not the issue. I can't erase what's in the
>> window so it seems like the old view either is leaving something
>> behind
>> just in the window's buffer (but then I'd be able to erase it and
>> that's not working) or the view itself is being left behind.
>
> When you say "can't erase", what API are you using to do the erase?

QuickDraw.


> Remember that on X an OpenGL context lives in a layer above 2D graphics
> layer: until it's destroyed none of the 2D stuff will show through.

That's what I'm seeing.


> I.e., if you're using something like EraseRect/PaintRect to clear those
> portions of the window, that will have no visible effect if the OpenGL
> context covers the entire window.

So then it must still exist. I wonder why it's not going bye bye. I'd
assumed Brian did this correctly. If it's an easy answer, what are the
necessary steps in killing a view? (If you could just list the three or
four function names I'll take it from there. I haven't had time to read
through much of the QD3D docs.)


Thanks,


Seth Willits
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