Re: Emacs defeats ClearType

[jasonr]

Quoting David Abrahams <address@hidden>:

> address@hidden writes:
>
> > Quoting David Abrahams <address@hidden>:
> >
> >> When ClearType
> >> (http://www.microsoft.com/typography/cleartype/tuner/Step1.aspx) is
> >> enabled on an NT build of Emacs, it's very common for emacs to "slice
> >> off" a few antialiased pixels on either side of a character's vertical
> >> member.  It happens especially in lines that are being typed.  You can
> >> see examples in this sentence of characters whose vertical members
> >> appear to be thin, red lines (image enclosed).
> >
> > This happens because Windows tells lies about the width of characters when
> > sub-pixel antialiasing is in effect.
> >
> > You are welcome to investigate a way around this if you want.
>
> I would be happy to.  Can someone at least point me at the source
> file(s) that are responsible for character display in NT builds of
> emacs, so I know where to start looking?

Most of the platform specific display is done in w32term.c, but some functions
in w32fns.c are also involved.