Howdy,
This is very enlightening. Gives me a bit of a glimpse at how things
like this are handled. I'm quite pleased with Speakup's performance, truth
be told.Thanks much,
Zack.
----- Original Message -----
From: "Kirk Reiser" <kirk@xxxxxxxxxxxxxx>
To: "Speakup is a screen review system for Linux." <speakup at braille.uwo.ca>
Sent: Thursday, May 03, 2007 9:33 AM
Subject: Re: Curiocity
> Using the standard text console there are two bytes of information
> stored in video memory for each screen position. One for the
> character stored and one for the colour and attribute. The
> colour/attribute consists of background colour and forground colour
> with a couple of bits dedicated to blinking or high intensity and the
> like. So basically you mask off the info and then use that to point
> in to an array to get the text string for the colours you want to
> say. You do the same thing with the characters to get the
> pronunciation.
>
> Kirk
>
> --
>
> Kirk Reiser The Computer Braille Facility
> e-mail: kirk at braille.uwo.ca University of Western Ontario
> phone: (519) 661-3061
>
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> Speakup at braille.uwo.ca
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>
