Davide, Thanks for responding!
On Fri, Jul 17, 2009 at 4:07 AM, Davide Cervone<d...@union.edu> wrote: > > It will not be as easy as you think to modify jsMath to use @font-face > web fonts. > > First, IE uses EOT fonts, while everyone else uses TTF and OTF fonts > (and DON'T handle EOT fonts). Also, EOT fonts are keyed to a > particular server, so they would have to be modified every time you > want to serve them from a different server. Seriously? I guess I can see a sort of a security rationale for this, or perhaps DRM... but I find it so strange that all this extra effort went into what should have been obvious: use the fonts that the OS already knows how to use. *sigh* OTOH, let's suppose we can work around that somehow -- I don't think it should be a problem to detect IE and send it a different type of file, right? > I'm not sure of the > implications of this for using them from a local disk (as no server is > involved). Actually, for a local notebook, there is certainly a server involved, so this won't be a problem. > Second, several browsers load web fonts asynchronously, meaning that > they initially show the character in a default font and then change > the page after the font is loaded. Because jsMath must measure the > size of parts of the mathematics while it is constructing the typeset > formula, this approach will not work (the sizes would change after the > math has ben typeset). So you would need to work out a method of > determining when the font is actually available and wait until after > that to start typesetting mathematics. The only ways I can think of > to do this are fragile hacks. Our use case isn't quite the same: the page will load, and the font will get cached, hopefully indefinitely. So for the most part, a user will see one badly-rendered page. First impressions last, yes, but if the user doesn't have a cookie set, we can warn them that they might be looking at a poorly rendered version, click this button to re-render. That seems OK to me. > I have been looking forward to being able to use web fonts with > jsMath, but it is not a trivial change, and I'm not sure when I will > get to it. That you think this is nontrivial is a little discouraging for me... but I have yet to read your code. I'll crack it open and take a look, at the very least. --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
