I think 5px is way too small. Maybe 7 or 8 at least but even those are really hard to read in high-resolution displays. See demo<http://plexode.com/eval3/#ht=5px%3A%3Cruby%3E%3Crb%3E今日%3C%2Frb%3E%3Crt%20style%3D%22font-size%3A5px%3B%22%3Eきょう%3C%2Frt%3E%3C%2Fruby%3Eは%3Cruby%3E%3Crb%3E良%3C%2Frb%3E%3Crt%20style%3D%22font-size%3A5px%3B%22%3Eよ%3C%2Frt%3E%3C%2Fruby%3Eい%3Cruby%3E%3Crb%3E天気%3C%2Frb%3E%3Crt%20%20style%3D%22font-size%3A5px%3B%22%3Eてんき%3C%2Frt%3E%3C%2Fruby%3E%3Cbr%3E%0A6px%3A%3Cruby%3E%3Crb%3E今日%3C%2Frb%3E%3Crt%20style%3D%22font-size%3A6px%3B%22%3Eきょう%3C%2Frt%3E%3C%2Fruby%3Eは%3Cruby%3E%3Crb%3E良%3C%2Frb%3E%3Crt%20style%3D%22font-size%3A6px%3B%22%3Eよ%3C%2Frt%3E%3C%2Fruby%3Eい%3Cruby%3E%3Crb%3E天気%3C%2Frb%3E%3Crt%20%20style%3D%22font-size%3A6px%3B%22%3Eてんき%3C%2Frt%3E%3C%2Fruby%3E%3Cbr%3E%0A7px%3A%3Cruby%3E%3Crb%3E今日%3C%2Frb%3E%3Crt%20style%3D%22font-size%3A7px%3B%22%3Eきょう%3C%2Frt%3E%3C%2Fruby%3Eは%3Cruby%3E%3Crb%3E良%3C%2Frb%3E%3Crt%20style%3D%22font-size%3A7px%3B%22%3Eよ%3C%2Frt%3E%3C%2Fruby%3Eい%3Cruby%3E%3Crb%3E天気%3C%2Frb%3E%3Crt%20%20style%3D%22font-size%3A7px%3B%22%3Eてんき%3C%2Frt%3E%3C%2Fruby%3E%3Cbr%3E%0A8px%3A%3Cruby%3E%3Crb%3E今日%3C%2Frb%3E%3Crt%20style%3D%22font-size%3A8px%3B%22%3Eきょう%3C%2Frt%3E%3C%2Fruby%3Eは%3Cruby%3E%3Crb%3E良%3C%2Frb%3E%3Crt%20style%3D%22font-size%3A8px%3B%22%3Eよ%3C%2Frt%3E%3C%2Fruby%3Eい%3Cruby%3E%3Crb%3E天気%3C%2Frb%3E%3Crt%20%20style%3D%22font-size%3A8px%3B%22%3Eてんき%3C%2Frt%3E%3C%2Fruby%3E%3Cbr%3E%3C%2Fdiv%3E&ohh=1&ohj=1&jt=&ojh=1&ojj=1&ms=100&oth=0&otj=0&cex=1> .
- Ryosuke On Wed, Nov 3, 2010 at 12:47 PM, David Hyatt <[email protected]> wrote: > That document also states: > > "When the size of base characters is very small (for e.g. smaller than > seven points), ruby which is half the size, will be even more small and > illegible. In such cases where the size of base characters is very small, > ruby is not a suitable method of annotation. In those cases, consider other > annotation methods such as adding the reading in parenthesis immediately > after the base character. > > It also sounds like we need to special case Ruby elements and allow their > font sizes to go down to about 5px instead of 9px. Anything lower, and > you're getting to the point where ruby was unsuitable (according to the text > above) anyway, since the base text was so small. > > I filed: > > https://bugs.webkit.org/show_bug.cgi?id=48942 > > dave > ([email protected]) > > On Nov 3, 2010, at 2:29 PM, Yasuo Kida wrote: > > In printing the standard is 50% of the base text. For larger point sizes > like headings, the size of ruby is often smaller than 50%. > > http://www.w3.org/TR/2009/NOTE-jlreq-20090604/#en-subheading2_3_3 > > So, how about we default to 50% and see how they come out. Glyphs designed > for ruby are optimized for those small point sizes. It is possible on some > screen resolutions we might want to make it a bit bigger but as screen > resolution gets higher I think it makes more sense to stick to 50% following > the standard in printing. > > - kida > > On 2010/11/03, at 12:05, Eric Mader wrote: > > > On Nov 3, 2010, at 8:56 AM, David Hyatt wrote: > > WebKit enforces a minimum font size of 9px when no explicit font size is > specified. This means that the font for <rt> cannot fall below 9px if it is > relative to the user agent default. It may be that we want to consider > modifying this minimum for ruby text and allow it to go below 9px though. > I'm not sure. > > > Yes, that's probably what I'm seeing. I'm using default font size, which is > probably 12pt. > > If you make a really big Ruby (e.g., <ruby style="font-size:96px"> and then > modify the font-size percentage on the <rt>, you should be able to see it > take effect. > > We should probably just study real-world Japanese examples to see how small > Ruby typically is allowed to get. If it can go below 9px and still be > readable, we should perhaps consider allowing that. > > > I'm sure the detailed spec. addresses this issue. I'll review it. > > In terms of excluding Ruby text from the overall line height, I don't think > the font-size of the <rt> is particularly relevant. You just want to hack > the Ruby to turn the ruby text into overflow rather than having it be part > of the overall height of the inline-block. > > > Of course. The website I was using has the line height set too tight for > correct display this way, and I just wanted to try a smaller size to see if > it looked better. OTOH, that site loads a style sheet that overrides the > ruby text font-size to 6pt, so I can't easily override it, and its' probably > displaying as 9pt anyhow. > > dave > ([email protected]) > > > Regards, > Eric > > On Nov 3, 2010, at 1:20 PM, Eric Mader wrote: > > Hi, > > As part of my work on ruby text enhancements, I'm implementing the option > of not counting the height of the ruby text in the overall line height. As > part of this, I wanted to play with changing the size of the ruby text. I'm > trying to do this by changing the following lines in > <WebKit>/WebCore/css/html.css: > > ruby > rt { > display: block; > font-size: 60%; /* make slightly larger than 50% for better readability > */ > text-align: center; > text-decoration: none; > } > > However, when I change the font-size: attribute to, say, 50%, I don't see > any difference in the size of the ruby text. (I even tried 25% just to be > sure). Is this value being set somewhere else? > > Regards, > Eric Mader > > _______________________________________________ > webkit-dev mailing list > [email protected] > http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev > > > > _______________________________________________ > webkit-dev mailing list > [email protected] > http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev > > > _______________________________________________ > webkit-dev mailing list > [email protected] > http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev > > > > _______________________________________________ > webkit-dev mailing list > [email protected] > http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev > >
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