Posted by Juan Vuletich-4 on Apr 16, 2008; 4:05pm
URL: https://forum.world.st/Diff-tools-tp133971p133982.html

Easy. Subpixel AA works by considering each subpixel independently of the
others. So you need to specify not just brightness for each pixel but for
each r g and b component. That gives 24 bpp. It could work with 24 bits
instead of 32. I just happen to use 32.

I agree. Without correct information about display media you should not
use subpixel AA.

Cheers,
Juan Vuletich

>
> Yes, i had read this page. Still i can't understand, why you need
> 32bpp for font bitmaps?
> Also, subpixel AA works fine only for TFT monitors, while on CRT or on
> display with different color matrix it may look not correct.
> I think, that without correct information about display media you
> should not use subpixel AA.
>


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