[texhax] font metrics
C.A.Rowley at open.ac.uk
Fri Jun 6 18:29:03 CEST 2003
> > I would like to discuss about the slant parameter in the Tex font metric
> > file. As far as i have come to know is that it is equal to the tangent of
> > the angle in degrees from the vertical in the counter-clockwise direction.
> > It is? That is not exactly clear to me either. tftopl.web (et al.) says:
> > param=@!slant| is the amount of italic slant, which is used
> > to help position accents. For example, |slant=.25| means that when you go
> > up one unit, you also go .25 units to the right. The |slant| is a pure
> > number; it's the only |fix_word| other than the design size itself that is
> > not scaled by the design size.
> I think that, mathematically speaking, these are the almost same thing
> (modulo the "counter" in "counter-clockwise", which I think is an error).
I don't know about `speaking' but they are the same thing, with
`clockwise' in (and you can remove `in degrees': angles, like their
tangents, are also pure numbers so it does not mattter what you
measure them in).
PS: all this agreeing with you will have to stop!
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