- From: Gérard Talbot <www-style@gtalbot.org>
- Date: Wed, 03 Sep 2014 21:41:51 -0400
- To: Koji Ishii <kojiishi@gluesoft.co.jp>
- Cc: Ambrose LI <ambrose.li@gmail.com>, fantasai <fantasai.lists@inkedblade.net>, W3C www-style mailing list <www-style@w3.org>
Le 2014-09-03 15:38, Koji Ishii a écrit : >> Assume that the following inline text has 'text-orientation' set to >> 'upright': >> >> K >> i >> W >> i >> >> and assume that characters do not have the same character width. Now, >> where would the central baseline be drawn? >> >> ... unless each and all glyphs must use the same character width and >> that the central baseline traverse the horizontal center of each >> glyph, there is a problem here. > > After re-reading the spec, I think I understand your question. In this > text in the spec: > >> The central baseline, which typically crosses the center of the em >> box. > > Glyphs with proportional widths are not “typical” here. > > > “K”, “i”, and “W” should have their origins at the center of the top > edge. The horizontal center of the top edge is where that small blue square in the example (for "g" glyph) at page 23 of http://blogs.adobe.com/CCJKType/files/2012/06/afdko-mhattori-20120625.pdf is. (...) > “W” has > wider ascender and descender than “i”, but the vertical origins > (baselines) are center of both characters. > > Does this explain? > > /koji I think I do understand now. Thank you for your time. Gérard
Received on Thursday, 4 September 2014 01:42:27 UTC