diff options
| -rw-r--r-- | luaotfload-auxiliary.lua | 32 | ||||
| -rw-r--r-- | tests/pln-aux-4.tex | 9 |
2 files changed, 29 insertions, 12 deletions
diff --git a/luaotfload-auxiliary.lua b/luaotfload-auxiliary.lua index f7886be..2cf1e00 100644 --- a/luaotfload-auxiliary.lua +++ b/luaotfload-auxiliary.lua @@ -174,31 +174,47 @@ end aux.do_if_glyph_else = do_if_glyph_else ---- this one is approximately “name_to_slot” from the microtype ---- package +--[[doc-- + + This one is approximately “name_to_slot” from the microtype package; + note that it is all about Adobe Glyph names and glyph slots in the + font. The names and values may diverge from actual Unicode. + + http://www.adobe.com/devnet/opentype/archives/glyph.html + +--doc]]-- --- string -> (int | false) -local codepoint_of_name = function (glyphname) +local slot_of_name = function (glyphname) local fontdata = identifiers[font.current()] if fontdata then local unicode = fontdata.resources.unicodes[glyphname] if unicode and type(unicode) == "number" then return unicode else - return unicode[1] --- again, does that even happen? + return unicode[1] --- for multiple components end end return false end -aux.codepoint_of_name = codepoint_of_name +aux.slot_of_name = slot_of_name ---- inverse of above +--[[doc-- + + Inverse of above; not authoritative as to my knowledge the official + inverse of the AGL is the AGLFN. Maybe this whole issue should be + dealt with in a separate package that loads char-def.lua and thereby + solves the problem for the next couple decades. + + http://partners.adobe.com/public/developer/en/opentype/aglfn13.txt + +--doc]]-- local indices --- int -> (string | false) -local name_of_codepoint = function (codepoint) +local name_of_slot = function (codepoint) if not indices then --- this will load the glyph list local unicodes = fonts.encodings.agl.unicodes indices = table.swapped(unicodes) @@ -210,7 +226,7 @@ local name_of_codepoint = function (codepoint) return false end -aux.name_of_codepoint = name_of_codepoint +aux.name_of_slot = name_of_slot ----------------------------------------------------------------------- --- features / scripts / languages diff --git a/tests/pln-aux-4.tex b/tests/pln-aux-4.tex index b025561..80ffc0b 100644 --- a/tests/pln-aux-4.tex +++ b/tests/pln-aux-4.tex @@ -6,9 +6,10 @@ \font\ptserifregular = file:PTF55F.ttf \ptserifregular -%% here we map the function luaotfload.aux.name_of_codepoint -%% on a short text, printing a list of letters, their codepoints -%% and names (as specified in the Adobe Glyph List). +%% here we map the function luaotfload.aux.name_of_slot +%% on a short text, printing a list of letters, their +%% code points and names (as specified in the Adobe +%% Glyph List). \directlua{ local aux = luaotfload.aux @@ -21,7 +22,7 @@ for chr in string.utfcharacters(str) do local val = unicode.utf8.byte(chr) local line = chr .. " <> " .. tostring(val) - line = line .. " <> " .. (aux.name_of_codepoint(val) or "") + line = line .. " <> " .. (aux.name_of_slot(val) or "") res[\string#res+1] = line end return table.concat(res, [[\endgraf]]) |