On Wed, 20 Jun 2012 14:37:15 -0400 erik quanstrom <quans...@quanstro.net> wrote:
> > I believe I do, and I'm pretty sure the difference lies in gamma or > > color correction which is provided by most graphics chipsets but is > > inaccessible with VESA. It is also likely to be inaccessible with > > native drivers if they are open source, it was a fluff feature when > > CRTs were common and seems to still be treated that way. > > > > You may have noticed that images appear paler on those displays where > > Vera looks blurry. This is because of the lack of gamma correction. > > Black may still be black and white white, but without gamma correction > > a 50% grey may appear far brighter than it should be, especially on a > > LCD. (On a CRT it's more likely to be darker, in my experience.) Vera > > then looks blurry because the pixels that are supposed to be mid-grey > > become far brighter, far more visible than they are meant to be. > > > > The particularly interesting thing about this is it suggests a > > workaround. The font is implemented as a 4-bit greyscale image. Instead > > of treating the font as a true greyscale it could instead be treated as > > a palettized image and the palette adjusted to suit the screen, > > darkening the greys on the displays for which it is necessary. > > excellent explainer. Thanks! > i typically use full rgb fonts. i don't see why one couldn't α > draw through an appropriate shade to change the font image itself. Yeah, that would work.
