[luatex] using (pdf)lualatex

[Yue Wang]

sorry s/ are not strict / are too strict

On Mon, Feb 2, 2009 at 11:50 PM, Yue Wang <yuleopen at gmail.com> wrote:
> Hi, Taco:
>
>
>> You can forget about memory savings for the near future, then.
>
> Then why should we calculate the bounding box for each glyph? Well, as
> far as I know, I think it is needed when composing pages (glue the
> line boxes together into a page). But now different fonts/font
> types/TeX implementations have their own understanding of bounding
> boxes (also known as the font metrics), and they are very different
> from the original TeX's and Computer Modern's [see Hans'
> fontspecial-p.pdf]. Moreover, using the rules in TeX (baselineskip and
> friends) are not strict to test whether two glyphs' bounding box are
> overlapped with each other. So I don't think bounding box for each
> glyph is needed in this situation, maybe we can use CFF's FontBBox as
> the largest value to test if the distance between two lines are good.
> Just my two cents.
>
>
> Anyway, if you insist on the current implementation, go ahead, it's also great:)
> But I will test luapdflatex later until I buy a new computer if it
> does not provide a font cache feature......
>
>
> Yue Wang
>