2nd try, please respond- cruft in pfPipeWindows not covered by pfChannels

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From: John Kelso (kelso++at++vt.edu)
Date: 10/24/2000 09:47:08

Hi all,

I sent this out a week or two ago and never got a response from the list.

I've got a couple of good leads, but am wondering if there's an accepted
"best" way of doing this.

Below is exteacted from my first post:

> I have a program that opens a pfPipeWindow. Several pfChannels write to
> it, but they don't cover all of the window's area.
>
> When the window is moved, the areas of the window not being draw by the
> channels get cruft in them- usually flashing (looks like z-buffer
> fighting) pieces of what window is underneath it, or pieces of what used
> to be on the screen before the window was moved.
>
> The areas of the window being drawn by the channels work fine- it's just
> the area of the window that isn't being drawn.
>
> I've thought of creating a new channel that covers the whole window and
> drawing it first, but that seems a bit extreme.
>
> Any ideas of how to best keep the undrawn areas of the window clean??

Thanks again,

-John

-----------------------------------------------------------------------
John Kelso www.cave.vt.edu
Research Associate, Virginia Tech CAVE email: kelso++at++vt.edu
3030B Torgersen Hall, MS 0468 phone: 540/231-2054
Blacksburg, VA 24061 fax: 540/231-2056

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