Possibly some related resources: Color deficiency simulator: http://www.visibone.com/colorblind/
another simulator: http://www.vischeck.com/ Color perception paper: http://www.4colorvision.com/files/colorcontrperf.htm#equations Color tool: http://www.colorfield.com/index.html Example color contrast ratios: http://juicystudio.com/services/coloursaferatio.php Color blindness theory: http://steve.hollasch.net/cgindex/color/color-blind.html Study showing accessibility barriers: (see Table 5 - all groups, except completly blind, identified poor color contrast as a problem.) http://www.drc-gb.org/PDF/2.pdf Study showing algorithm can predict which colors people find readable: http://www.aprompt.ca/WebPageColors.html Color FAQ: http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html enjoy at will, David Bill Haneman wrote: > Hi Henrik: > > <"What he said" > > > You and Carlos put this very well. I agree with you both that this > sounds like a great thing to add to gnome-mag. > > By the way, Carlos has recently done some very nice work to enable > fullscreen magnification without requiring two X screens, so based on > this new work (still in bugzilla, but soon to be in cvs we hope), this > could be done pretty elegantly at "1:1" without noticeably changing the > user experience. > > Best regards > > Bill > > p.s. - gnome-mag magnifies at '1x' if you run it with "-z1". To use > this in fullscreen mode without changing your Xorg.conf will require > Carlos' patch to http://bugzilla.gnome.org/show_bug.cgi?id=348375. > > > Henrik Nilsen Omma wrote: > >> Daniel Ruoso wrote: >> >> >>>> I think that these filters could be implemented easily in gnome-mag. >>>> Probably Bill and Willie can give more advices about it. >>>> >>>> >>>> >>> The question is that colorblindness filters aren't exactly related to >>> screen magnifier. I'm colorblind, but I don't need a screen magnifier. >>> >>> >>> >> Perhaps not in your case, but there is a lot of potential overlap. >> gnome-mag manipulates the screen image real time (and has a simple >> inverse mode) which the filters also do. I'm sure gnome-mag could be set >> to 'magnify' at 1x. >> >> Some people would want to use both magnification and a filter. Separate >> implementations may still be the best option for technical reasons or to >> have simpler configuration of each. But in that case they should at >> least work well together. >> >> Henrik >> _______________________________________________ >> gnome-accessibility-list mailing list >> gnome-accessibility-list@gnome.org >> http://mail.gnome.org/mailman/listinfo/gnome-accessibility-list >> >> > > _______________________________________________ > gnome-accessibility-list mailing list > gnome-accessibility-list@gnome.org > http://mail.gnome.org/mailman/listinfo/gnome-accessibility-list > _______________________________________________ gnome-accessibility-list mailing list gnome-accessibility-list@gnome.org http://mail.gnome.org/mailman/listinfo/gnome-accessibility-list
