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Re: [1.2T-LC] i18n comment 9: Geometric middle of the text string

From: Mark Davis <mark@macchiato.com>
Date: Tue, 14 Oct 2008 10:48:55 +0200
Message-ID: <30b660a20810140148s646bfa52ha7403a50346ea3fa@mail.gmail.com>
To: "Martin Duerst" <duerst@it.aoyama.ac.jp>
Cc: ishida@w3.org, www-svg@w3.org, public-i18n-core@w3.org
I haven't read the source document, but is it clear whether it is talking
about the text bounding box vs the 'black bit box'. That is, for
"      abcd"

does it put the center between the b and the c, or before the a. In
particular, many characters (esp non-Latin) 'overflow' their bounding box,
or don't take up all of it.

Mark


On Tue, Oct 14, 2008 at 8:27 AM, Martin Duerst <duerst@it.aoyama.ac.jp>wrote:

>
> I think that 'geometric' may be enough to make it clear that this
> is about coordinates rather than about characters.
>
> However, there is some danger that this is confused with
> the geometric mean (http://en.wikipedia.org/wiki/Geometric_mean).
>
> I think that the text should therefore be changed to speak about
> an average of coordinates, not a "geometric middle".
>
> Regards,   Martin.
>
>
> At 04:44 08/10/11, ishida@w3.org wrote:
> >
> >Comment from the i18n review of:
> >http://www.w3.org/TR/2008/WD-SVGMobile12-20080915/
> >
> >Comment 9
> >At http://www.w3.org/International/reviews/0810-svg-tiny/
> >Editorial/substantive: E
> >Tracked by: RI
> >
> >Location in reviewed document:
> >10.8.1 [
> http://www.w3.org/TR/SVGMobile12/text.html#TextAlignmentProperties]
> >
> >Comment:
> >"middle The rendered characters are aligned such that the geometric middle
> >of the text string is at the current text position."
> >
> >
> >It could be made clearer that this refers to the geometric middle of the
> >resulting rendered text, rather than the text string, since 'text string'
> >commonly refers to the characters in memory. This behaviour has to take
> >into account combining characters, conjunct forms, and character widths in
> >the rendered text.
> >
> >
>
>
> #-#-#  Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University
> #-#-#  http://www.sw.it.aoyama.ac.jp       mailto:duerst@it.aoyama.ac.jp
>
>
>
Received on Tuesday, 14 October 2008 08:49:33 GMT

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