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solutions for my visually impaired mom
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user124
Tux's lil' helper
Tux's lil' helper


Joined: 02 May 2002
Posts: 86

PostPosted: Mon Oct 08, 2012 1:35 pm    Post subject: solutions for my visually impaired mom Reply with quote

hi all,

i'm about to buy my mom her first computer for xmas. problem is: she cant see very well (50% on one eye, 20% the other).
when she's visiting me and uses my computer she usually needs to be al last 30cm close to the screen to see anyting.
now i've played around a little bit
- enlarging the fonts in the DE
- enlarging the fonts in the web browser
DE is kde -> qt, ff dosnt use the enlarged system fonts. in addition web pages get all messed up when one sets the default font to "large"
- upping the dpi
again only enlarges fonts but not the bitmaps
- setting the video resolution of the grafics card lower then the native resolution of the lcd
by far the best solution because everything is enlarged.... but the x-y ratio doesnt fit anymore and
in addition the upscale algoritm of the lcd softens the edges.

so my idea and question: is it possible to have a "double-every pixel" videomode? that is for example
the monitor natively has a 1920x1200 resolution - X will use that but tell the DE only 960x600 is available and every pixel
that is drawn to the screen is doubled in x and y direction.
that would solve the softening problem and the problems with every program no matter what widget set it uses.
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gerard82
Advocate
Advocate


Joined: 04 Jan 2004
Posts: 2180
Location: Netherlands

PostPosted: Mon Oct 08, 2012 2:10 pm    Post subject: Reply with quote

I just tried this in kde.
Go to system-settings > display & monitor > size & orientation and change the resolution to your hearts content.
My eyesight is better than your mother's but much less than normal.
To change the character size of the menu in FF install x11-yhemes/gtk-chtheme.
Good luck.
Gerard.

Edit: I have spectacles for computer use only.
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PaulBredbury
Watchman
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Joined: 14 Jul 2005
Posts: 7310

PostPosted: Mon Oct 08, 2012 3:29 pm    Post subject: Reply with quote

Maybe see what tricks Vinux uses.

Quote:
Vinux is a remastered version of the Ubuntu Linux Distribution optimised for visually impaired users.
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Circuitsoft
Tux's lil' helper
Tux's lil' helper


Joined: 14 Jul 2004
Posts: 112

PostPosted: Mon Oct 08, 2012 4:55 pm    Post subject: Reply with quote

Try using cvt to generate a custom modeline of exactly half the monitor's resolution.
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