-- -- ltj-rmlgbm.lua -- luatexja.load_module 'base'; local ltjb = luatexja.base local get_modtime do local find_file = kpse.find_file local lfs = require"lfs" local file_attributes = lfs.attributes get_modtime = function (f) f = f and find_file(f, 'cmap files') return f and file_attributes(f, 'modification') end end local cidfont_data = {} local cache_chars = {} local cache_ver = 13 local identifiers = fonts.hashes.identifiers local cid_reg, cid_order, cid_supp, cid_name local cid_replace = { ["Adobe-Japan1"] = {"UniJIS2004-UTF32", 23059, 7, function (i) if (231<=i and i<=632) or (8718<=i and i<=8719) or (12063<=i and i<=12087) then return 327680 -- 655360/2 elseif 9758<=i and i<=9778 then return 218453 -- 655360/3 elseif 9738<=i and i<=9757 then return 163840 -- 655360/4 end end}, -- 基本的には JIS X 0213:2004 に沿ったマッピング ["Adobe-Korea1"] = {"UniKS-UTF32", 18351, 2, function (i) if 8094<=i and i<=8100 then return 327680 -- 655360/2 end end}, ["Adobe-GB1"] = {"UniGB-UTF32", 30571, 6, function (i) if (814<=i and i<=939) or (i==7716) or (22355<=i and i<=22357) then return 327680 -- 655360/2 end end}, ["Adobe-CNS1"] = {"UniCNS-UTF32", 19178, 7, function (i) if (13648<=i and i<=13742) or (i==17603) then return 327680 -- 655360/2 end end}, ["Adobe-KR"] = {"UniAKR-UTF32", 22896, 9, function (i) if i==3057 then return 655360*2 elseif i==3058 then return 655360*3 elseif i==12235 or i==12236 then return 163840 -- 655360/4 end end}, } -- reading CID maps local make_cid_font do local line, fh -- line, file handler local tt,cidm -- characters, cid->(Unicode) local function load_cid_char(cid_dec, mke) local cid, ucs, ucsa line = fh:read("*l") while line do if string.find(line, "end...?char") then line = fh:read("*l"); return else -- WMA l is in the form "<%x+>%s%d+" ucs, cid = string.match(line, "<(%x+)>%s+?") cid = cid_dec(cid); ucs = tonumber(ucs, 16); if not tt[ucs] then tt[ucs] = mke(cid); cidm[cid]=ucs end end line = fh:read("*l") end end local function load_cid_range(inc, cid_dec, mke) local bucs, eucs, cid line = fh:read("*l") while line do if string.find(line, "end...?range") then line = fh:read("*l"); return else -- WMA l is in the form "<%x+>%s+<%x+>" bucs, eucs, cid = string.match(line, "<(%x+)>%s+<(%x+)>%s+?") cid = cid_dec(cid); bucs = tonumber(bucs, 16); eucs = tonumber(eucs, 16) for ucs = bucs, eucs do if not tt[ucs] then tt[ucs] = mke(cid); cidm[cid]=ucs end cid = inc(cid) end end line = fh:read("*l") end end local function open_cmap_file(name, inc, cid_dec, mke) local fn = kpse.find_file(name, 'cmap files') if fn then fh = io.open(fn, "r") line = fh:read("*l") while line do if string.find(line, "%x+%s+begin...?char") then load_cid_char(cid_dec, mke) elseif string.find(line, "%x+%s+begin...?range") then load_cid_range(inc, cid_dec, mke) else line = fh:read("*l") end end fh:close(); end end local function increment(a) return a+1 end local function entry(a) return {index = a} end local feat_dummy_vert = { gsub={vert={dflt={dflt=true}}} } local seq_dummy_vert={{ features={vert={dflt={dflt=true}}}, --flags={false,false,false,false}, --index=1, name="s_s_0", skiphash=false, steps={coverage={},index=1}, ["type"]="gsub_single", order='vert', }} make_cid_font = function () local kx = cid_replace[cid_name] if not kx then return end local k = { cidinfo = { ordering=cid_order, registry=cid_reg, supplement=kx[3] }, encodingbytes = 2, extend=1000, format = 'opentype', direction = 0, characters = {}, parameters = { ascender = 655360*0.88, descender = 655360*0.12, }, embedding = "no", cache = "yes", factor = 0, hfactor = 0, vfactor = 0, tounicode = 1, properties = { language = "dflt", script = "dflt" }, } cidfont_data[cid_name] = k -- CID => Unicode 符号空間 local tth, cidmo = {}, {} tt, cidm = tth, cidmo for i = 0,kx[2] do cidm[i] = -1 end open_cmap_file(kx[1] .. "-H", increment, tonumber, entry) k.characters = tth -- Unicode にマップされなかった文字の処理 -- これらは TrueType フォントを使って表示するときはおかしくなる local ttu, pricode = {}, 0xF0000 for i,v in ipairs(cidmo) do if v==-1 then tth[pricode], cidmo[i], pricode = { index = i }, pricode, pricode+1; end ttu[i] = cidmo[i] ttu[cid_order .. '.' .. i] = cidmo[i] end -- shared k.shared = { otfdata = { cidinfo= k.cidinfo, verbose = false, shared = { featuredata = {}, }, }, dynamics = {}, processes = {}, rawdata = {}, features={}, } k.resources = { unicodes = ttu, features = feat_dummy_vert, sequences = seq_dummy_vert, } k.descriptions = {} cache_chars[cid_name] = { [655360] = k.characters } -- 縦書用字形 tt, cidm = {}, {} local ttv = {}; k.ltj_vert_table = ttv for i = 0,kx[2] do cidm[i] = -1 end open_cmap_file(kx[1] .. "-V", increment, tonumber, entry) for i,v in pairs(tt) do ttv[i] = cidmo[v.index] -- "unicode" of vertical variant end -- tounicode エントリ local cidp = {nil, nil}; tt, ttu, cidm = {}, {}, {} open_cmap_file(cid_name .. "-UCS2", function(a) a[2] = a[2] +1 ; return a end, function(a) cidp[1] = string.upper(string.sub(a,1,string.len(a)-4)) cidp[2] = tonumber(string.sub(a,-4),16) return cidp end, function(a) return a[1] ..string.format('%04X',a[2]) end) -- tt は cid -> tounicode になっているので cidm -> tounicode に変換 local kxf = kx[4] for i,v in ipairs(cidmo) do k.characters[v].width = kxf(i) if v>=0xF0000 then k.characters[v].tounicode = tt[i] end end -- Save if k and k.characters and k.characters[46] then k.characters[46].width = math.floor(655360/14); end ltjb.save_cache("ltj-cid-auto-" .. string.lower(cid_name), {version = cache_ver, cid2ucs_modtime = get_modtime(cid_name..'-UCS2'), ucs2cid = kx[1]..'-H', ucs2cid_modtime = get_modtime(kx[1]..'-H'), k}) k.shared.rawdata.resources=k.resources k.shared.rawdata.descriptions=k.descriptions end end -- local cidf_vert_processor do local traverse_glyph, is_node = node.direct.traverse_glyph, node.is_node local to_direct = node.direct.todirect local id_glyph = node.id 'glyph' local getfont = node.direct.getfont local getchar = node.direct.getchar local setchar = node.direct.setchar local font_getfont = font.getfont cidf_vert_processor = { function (head, fnum) local fontdata = font_getfont(fnum) if head and luatexja.jfont.font_metric_table[fnum] and luatexja.jfont.font_metric_table[fnum].vert_activated then local vt = fontdata.ltj_vert_table local nh = is_node(head) and to_direct(head) or head for n in traverse_glyph(head) do local c = getchar(n) if getfont(n)==fnum then setchar(n, vt[c] or c) end end return head, false end end } end local dummy_vht, dummy_vorg = {}, {} setmetatable(dummy_vht, {__index = function () return 1 end } ) setmetatable(dummy_vorg, {__index = function () return 0.88 end } ) local function cid_cache_outdated(t) return (t.version~=cache_ver) or (t.cid2ucs_modtime ~= get_modtime(cid_name..'-UCS2')) or (t.ucs2cid_modtime ~= get_modtime(t.ucs2cid)) end local function read_cid_font() local dat = ltjb.load_cache("ltj-cid-auto-" .. string.lower(cid_name), cid_cache_outdated) if dat then dat[1].shared.rawdata.resources=dat[1].resources dat[1].shared.rawdata.descriptions=dat[1].descriptions cidfont_data[cid_name] = dat[1] cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters } else -- Now we must create the virtual metrics from CMap. make_cid_font() end if cidfont_data[cid_name] then cidfont_data[cid_name].shared.processes = cidf_vert_processor cidfont_data[cid_name].resources.ltj_extra = { ind_to_uni = cidfont_data[cid_name].resources.unicodes, vheight = dummy_vht, vorigin = dummy_vorg } for i,v in pairs(cidfont_data[cid_name].characters) do if not v.width then v.width = 655360 end v.height, v.depth = 576716.8, 78643.2 -- optimized for jfm-ujis.lua end return cidfont_data[cid_name] else return nil end end -- High-level local function prepare_cid_font(reg, ord) cid_reg, cid_order, cid_name, cid_supp = reg, ord, reg .. '-' .. ord return cidfont_data[cid_name] or read_cid_font() end local definers = fonts.definers local function mk_rml(name, size, id) local specification = definers.analyze(name,size) --specification = definers.resolve(specification) (not needed) specification.detail = specification.detail or '' do local n = specification.name if n:sub(1,1)=="{" then n=n:sub(2) end if n:sub(-1)=="}" then n=n:sub(1,-2) end specification.name=n end local fontdata = {} local cachedata = {} local s = cidfont_data[cid_name] for k, v in pairs(s) do fontdata[k] = v cachedata[k] = v end fontdata.characters = nil cachedata.characters = nil fontdata.shared = nil cachedata.shared = nil if s.shared then cachedata.shared = {} local shared = cachedata.shared for k, v in pairs(s.shared) do shared[k] = v end end -- characters & scaling if size < 0 then size = -size * 655.36 end local scale = size / 655360 do local def_height = 0.88 * size -- character's default height (optimized for jfm-ujis.lua) local def_depth = 0.12 * size -- and depth. if not cache_chars[cid_name][size] then cache_chars[cid_name][size] = {} for k, v in pairs(cache_chars[cid_name][655360]) do cache_chars[cid_name][size][k] = { index = v.index, width = v.width * scale, height = def_height, depth = def_depth, tounicode = v.tounicode, } end end fontdata.characters = cache_chars[cid_name][size] cachedata.characters = cache_chars[cid_name][size] end luatexja.rmlgbm.vert_addfunc(id, fontdata) -- other parameters do local parameters = {} for k, v in pairs(s.parameters) do parameters[k] = v * scale end fontdata.parameters = parameters; fontdata.size = size; fontdata.resources = s.resources cachedata.parameters = parameters; cachedata.size = size; cachedata.resources = s.resources end -- no embedding local var = '' local s = string.match(specification.detail, 'slant=([+-]*%d*%.?%d)') if s and e~=0 then s = s * 1000 var, fontdata.slant = var .. 's' .. tostring(s), s end local e = string.match(specification.detail, 'extend=([+-]*%d*%.?%d)') if e and e~=1 then e = e * 1000 var, fontdata.extend = var .. 'x' .. tostring(e), e end fontdata.name = specification.name .. size .. var; cachedata.name = fontdata.name fontdata.fullname = specification.name .. var; cachedata.fullname = fontdata.fullname fontdata.psname = specification.name; cachedata.psname = fontdata.psname identifiers[id] = cachedata return fontdata end local function font_callback(name, size, id, fallback) if name:sub(1,1)=="{" and name:sub(-1)=="}" then name = name:sub(2,-2) end local p = name:find(":") or 0 if name:sub(1, p-1) == 'psft' then local s = "Adobe-Japan1-7" local basename = name:sub(p+1) local p = basename:find(":") local q = basename:find("/[BI][BI]?") if q and p and q<=p then basename = basename:gsub('/[BI][BI]?', '', 1) p = basename:find(":") end if p then local xname = basename:sub(p+1) p = 1 while p do local q = xname:find(";", p+1) or xname:len()+1 if xname:sub(p, p+3)=='cid=' and q>p+4 then s = xname:sub(p+4, q-1) end if xname:len()+1==q then p = nil else p = q + 1 end end end cid_reg, cid_order = string.match(s, "^(.-)%-(.-)%-(%d-)$") if not cid_reg then cid_reg, cid_order = string.match(s, "^(.-)%-(.-)$") end if not prepare_cid_font(cid_reg, cid_order) then ltjb.package_error('luatexja', "bad cid key `" .. s .. "'", "I couldn't find any non-embedded font information for the CID\n" .. '`' .. s .. "'. For now, I'll use `Adobe-Japan1-6'.\n".. 'Please contact the LuaTeX-ja project team.') cid_name = "Adobe-Japan1" end return mk_rml(basename, size, id) else local fontdata=fallback(name, size, id) if type (fontdata) == "table" and fontdata.encodingbytes == 2 then luatexbase.call_callback ("luaotfload.patch_font", fontdata, name, id) else luatexbase.call_callback ("luaotfload.patch_font_unsafe", fontdata, name, id) end return fontdata end end luatexja.rmlgbm = { prepare_cid_font = prepare_cid_font, cidfont_data = cidfont_data, font_callback = font_callback, vert_addfunc = function () end, -- dummy, set in ltj-direction.lua } prepare_cid_font('Adobe', 'Japan1')