Re: Writing to individual pixel colour components.

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Remi Arnaud (remi++at++remi.asd.sgi.com)
Wed, 4 Sep 1996 19:48:34 -0700

On Sep 4, 9:30am, Graham Jones wrote:
> Subject: Writing to individual pixel colour components.
> Has anyone got any good ideas on the following - I have thought up some
> ways of doing what I want but I wondered if there was anything faster!
>
> Consider two pixels side by side - when I draw an image I want to set
> the red component of one pixel and the green component of the other,
> without affecting the other colour components of the two pixels - this
> is repeated over the whole image.
>
> I have a solution which requires writing the image twice, once for red,
> once for green, but was wondering if there were anyways of doing it with
> one write?

 That's an interresting problem !
 I don't see any 1 pass solution if your database have textures.

 -- Remi

-- 




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