Re: designing a screen reader

[Ari Moisio <armoi sci fi>]

On Sun, 29 Aug 1999 saqib saqib-shaikh freeserve co uk wrote:

  YOu can use /dev/vcs (bare text) or /dev/vcsa (text and attributes).
Both files have  screen size and cursor position at the beginning and rest
of the file is the console screen contents. I use /dev/vcsa on my
experimental Braille driver.


 > For a project I am doing, I have decided to attempt to write
a > console screen reader for linux/unix. However, while I know c++ I 
> do not know many of the low level linux calls, such as how to get 
> the contents of the screen. In msdos you could do this using 
> memcpy because you could read from the screen memory, but due 
> to security and suchlike I don't think an equivalent is possible 
> under unix/linux. If anyone has any help to offer, please contact me 
> privately at saqib saqib-shaikh freeserve co uk 
> thanks, saqib
> 
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-- 
Mr. Ari Moisio, Niittykatu 7, 41160 Tikkakoski, +358-40-5055239
ari moisio iki fi http://www.iki.fi/arimo PGP-keyID: 0x3FAF0F05