Le Ven 3 août 2012 10:51, Denis Jacquerye a écrit : > OpenType allows weight values from 1 to 999. > CSS is the one rounding those to multiples of 100 from 100 to 900. > Fontconfig maps them to some range from 0 to 210 (I'm not sure there). > Fontconfig also has multiple aliases for its weight value 40: > extralight or ultralight, and its weight value 210: black or heavy. So > applications just using those values to name variants might not match > the OT names.
The canonical weights and names have been defined by Microsoft at Vista time in http://web.archive.org/web/20100311051429/http://blogs.msdn.com/text/attachment/2249036.ashx There is one *50 weight there (ExtraBlack) The canonical name for ultra light is ExtraLight IIRC fontconfig constants originated in this paper once upon a time -- Nicolas Mailhot
