W3C home > Mailing lists > Public > www-style@w3.org > November 1999

Re: font-size and accents, again

From: Walter Ian Kaye <walter@natural-innovations.com>
Date: Mon, 29 Nov 1999 10:30:49 -0700
To: www-style@w3.org
Message-id: <v03130302b468678e2f3e@[134.79.129.61]>
Erik van der Poel wrote:
>David Perrell wrote:
>>
>> Following is some selected data from the AFM file for Adobe's
>> Times Roman. The coordinate system for an Adobe font starts on
>> the baseline with up and right positive and is 1000 units per
>> em.
>>
>>   UnderlinePosition -98
>>   UnderlineThickness 54
>>   FontBBox -167 -252 1004 904
>>   CapHeight 673
>>   XHeight 445
>>   Descender -219
>>   Ascender 686
>
>Yes, this shows that the bbox is taller than the font size, and that
>ascender + descender is smaller than the font size (in this case). Is
>there also a field that indicates where the baseline lies in the em
>square?

Doesn't that kind of depend upon how you're defining the em square? :-)
How is zero relative to m, when m is relative to zero?

I think my brain just melted.


-boo
Received on Monday, 29 November 1999 13:32:50 GMT

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