diff options
| -rw-r--r-- | luaotfload-database.lua | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/luaotfload-database.lua b/luaotfload-database.lua index 4c45d21..f374617 100644 --- a/luaotfload-database.lua +++ b/luaotfload-database.lua @@ -326,22 +326,49 @@ end local style_synonyms = { set = { } } do + local combine = function (ta, tb) + local result = { } + for i=1, #ta do + for j=1, #tb do + result[#result+1] = ta[i] .. tb[j] + end + end + return result + end + --- read this: http://blogs.adobe.com/typblography/2008/05/indesign_font_conflicts.html --- tl;dr: font style synonyms are unreliable. - style_synonyms.list = { + --- + --- Context matches font names against lists of known identifiers + --- for weight, style, width, and variant, so that including + --- the family name there are five dimensions for choosing a + --- match. The sad thing is, while this is a decent heuristic it + --- makes no sense to imitate it in luaotfload because the user + --- interface must fit into the much more limited Xetex scheme that + --- distinguishes between merely four style categories: “regular”, + --- “italic”, “bold”, and “bolditalic”. As a result, some of the + --- styles are lumped together although they can differ + --- significantly (like “medium” and “bold”). + + local list = { regular = { "normal", "roman", - "plain", "book", }, + "plain", "book", + "light", "extralight", + "ultralight", }, bold = { "demi", "demibold", "semibold", "boldregular", - "medium" }, + "medium", "mediumbold", + "ultrabold", "extrabold", + "heavy", "black", + "bold", }, italic = { "regularitalic", "normalitalic", - "oblique", "slanted", }, - bolditalic = { "boldoblique", "boldslanted", - "demiitalic", "demioblique", - "demislanted", "demibolditalic", - "semibolditalic", }, + "oblique", "slanted", + "italic", }, } + list.bolditalic = combine(list.bold, list.italic) + style_synonyms.list = list + for category, synonyms in next, style_synonyms.list do style_synonyms.set[category] = tabletohash(synonyms, true) end |