On Monday, September 9, 2002, at 10:42 AM, Robert Tweed wrote:
> I've never used a 2 monitor setup, but I'm just interested in
> understanding
> this for the future. Just to be clear, is the primary monitor the one
> set as
> primary by the system (i.e., in the BIOS, or OS settings) is it
> related to
> the position of the projector (i.e., the projector is always entirely
> contained within the primary monitor).
I think it's set by the system, but I can't say for certain on non-Mac
configurations.
For instance a multimonitor setup on Mac has one "main" monitor --
that's the one with the system volumes on the desktop, the menu bar
and, on X, the Dock. For Win I suspect the analogous configuration
would have the Recyc Bin, the taskbar and My Computer.
That's the "main" display, and generally a multimonitor control panel
lets you set the other displays to be in different locations relative
to the main display.
So for that reason I think it's a system thing, and the projector
reports what the system is telling it. My setup has the PB on the left
and the external phosphor monitor on the right, and I get 1024 by 768
in dTRL[1], which is as it should be, and 1280 by 1024 in dTLRL[2],
reflecting the proper orientation and size of the second display
relative to the main one. If I were to set it up so the external
display was on the left, it would show negative values for its
dimensions -- of that I'm almost totally sure (without having actually
done it).
I think a larger issue is determining what the colordepth is on the
displays. It can vary. My main display is 32 bit, but the external
could easily be 16 or 8. (It's not, but it could be.) That could be a
problem if you had a multimonitor-spanning movie.
Hmm, perhaps Macromedia could introduce a new option for dTRL:
put the deskTopRectList[n].colorDepth
...to let us get just that information?
Warren Ockrassa | http://www.nightwares.com/
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