[XFree86] Inverting colors to enhance accessiblity.

[Kerneels Roos]

Hi

This is just a quick question. Is there a way to invert all the colors
so that the whole display is inverted (ie. images appear like
negatives, white becomes black, black becomes white, and all colors
are basically reversed)?

I'm researching this option to improve accessiblity of the X Windowing system.

Any hints/suggestions are more than welcome!

Regards
-- 
Kerneels Roos
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[XFree86] Arbitrary Small Resolutions, Color Inversion

[Kerneels Roos]

Hi,

Can anyone tell me how I can:
1. set the resolution for X to any resolution smaller than the smallest
possible resolution for a particular monitor, while the desktop area
remains the same? 

If one starts out with say 1024x768, and you also have say 640x480 set
up in XF86Config, one can go to 640x480 by pressing Ctr+Alt+-|+ but
retain the original desktop area.
Would this be possible for something rediculously small like 64x48?

2. invert the colors?
Is this kind of thing possible either through configuration or by
changing the source code? If code changes is required, where can I
start?

Thanks in advance!-- Kerneels Roos