2 -- luatexja/ltj-rmlgbm.lua
4 luatexja.load_module('base'); local ltjb = luatexja.base
6 local cidfont_data = {}
9 local identifiers = fonts.hashes.identifiers
11 local cid_reg, cid_order, cid_supp, cid_name
13 ["Adobe-Japan1"] = {"UniJIS2004-UTF32", 23057, 6,
15 if (231<=i and i<=632) or (8718<=i and i<=8719)
16 or (12063<=i and i<=12087) then
17 return 327680 -- 655360/2
18 elseif 9758<=i and i<=9778 then
19 return 218453 -- 655360/3
20 elseif 9738<=i and i<=9757 then
21 return 163840 -- 655360/4
24 -- 基本的には JIS X 0213:2004 に沿ったマッピング
25 ["Adobe-Korea1"] = {"UniKS-UTF32", 18351, 2,
27 if 8094<=i and i<=8100 then
28 return 327680 -- 655360/2
31 ["Adobe-GB1"] = {"UniGB-UTF32", 30283, 5,
33 if (814<=i and i<=939) or (i==7716)
34 or (22355<=i and i<=22357) then
35 return 327680 -- 655360/2
38 ["Adobe-CNS1"] = {"UniCNS-UTF32", 19155, 6,
40 if (13648<=i and i<=13742) or (i==17603) then
41 return 327680 -- 655360/2
49 local line, fh -- line, file handler
50 local tt,cidm -- characters, cid->(Unicode)
52 local function load_cid_char(cid_dec, mke)
56 if string.find(line, "end...?char") then
57 line = fh:read("*l"); return
58 else -- WMA l is in the form "<%x+>%s%d+"
59 ucs, cid = string.match(line, "<(%x+)>%s+<?(%x+)>?")
60 cid = cid_dec(cid); ucs = tonumber(ucs, 16);
62 tt[ucs] = mke(cid); cidm[cid]=ucs
69 local function load_cid_range(inc, cid_dec, mke)
73 if string.find(line, "end...?range") then
74 line = fh:read("*l"); return
75 else -- WMA l is in the form "<%x+>%s+<%x+>"
76 bucs, eucs, cid = string.match(line, "<(%x+)>%s+<(%x+)>%s+<?(%x+)>?")
78 bucs = tonumber(bucs, 16); eucs = tonumber(eucs, 16)
79 for ucs = bucs, eucs do
81 tt[ucs] = mke(cid); cidm[cid]=ucs
90 local function open_cmap_file(name, inc, cid_dec, mke)
91 fh = io.open(kpse.find_file(name, 'cmap files'), "r")
94 if string.find(line, "%x+%s+begin...?char") then
95 load_cid_char(cid_dec, mke)
96 elseif string.find(line, "%x+%s+begin...?range") then
97 load_cid_range(inc, cid_dec, mke)
105 local function increment(a) return a+1 end
106 local function entry(a)
109 make_cid_font = function ()
110 local kx = cid_replace[cid_name]
111 if not kx then return end
113 cidinfo = { ordering=cid_order, registry=cid_reg, supplement=kx[3] },
114 encodingbytes = 2, extend=1000, format = 'opentype',
115 direction = 0, characters = {}, parameters = {
116 ascender = 655360*0.88,
117 descender = 655360*0.12,
119 embedding = "no", cache = "yes", factor = 0, hfactor = 0, vfactor = 0,
122 cidfont_data[cid_name] = k
124 -- CID => Unicode 符号空間
125 local tth, cidmo = {}, {}
126 tt, cidm = tth, cidmo
127 for i = 0,kx[2] do cidm[i] = -1 end
128 open_cmap_file(kx[1] .. "-H", increment, tonumber, entry)
131 -- Unicode にマップされなかった文字の処理
132 -- 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
133 local ttu, pricode = {}, 0xF0000
134 for i,v in ipairs(cidmo) do
136 tth[pricode], cidmo[i], pricode
137 = { index = i }, pricode, pricode+1;
139 ttu[cid_order .. '.' .. i] = cidmo[i]
145 cidinfo= k.cidinfo, verbose = false,
146 shared = { featuredata = {}, },
148 dynamics = {}, features = {}, processes = {},
149 --rawdata = { descriptions = {} },
151 k.resources = { unicodes = ttu, }
153 cache_chars[cid_name] = { [655360] = k.characters }
157 local ttv = {}; k.shared.ltj_vert_table = ttv
158 for i = 0,kx[2] do cidm[i] = -1 end
159 open_cmap_file(kx[1] .. "-V", increment, tonumber, entry)
160 for i,v in pairs(tt) do
161 ttv[i] = cidmo[v.index]
165 local cidp = {nil, nil}; tt, ttu, cidm = {}, {}, {}
166 open_cmap_file(cid_name .. "-UCS2",
168 a[2] = a[2] +1 ; return a
171 cidp[1] = string.upper(string.sub(a,1,string.len(a)-4))
172 cidp[2] = tonumber(string.sub(a,-4),16)
175 function(a) return a[1] ..string.format('%04X',a[2]) end)
176 -- tt は cid -> tounicode になっているので cidm -> tounicode に変換
178 for i,v in ipairs(cidmo) do
179 k.characters[v].width = kxf(i)
181 k.characters[v].tounicode = tt[i]
186 k.characters[46].width = math.floor(655360/14);
187 ltjb.save_cache( "ltj-cid-auto-" .. string.lower(cid_name),
196 local cidf_vert_processor
198 local traverse_id = node.traverse_id
199 local id_glyph = node.id('glyph')
200 cidf_vert_processor = {
201 function (head, fnum)
202 local fontdata = identifiers[fnum]
203 if fontdata.is_ltj_vert then
204 local vt = fontdata.shared.ltj_vert_table
205 for n in traverse_id(id_glyph, head) do
207 n.char = vt[n.char] or n.char
216 local function cid_cache_outdated(t) return t.version~=cache_ver end
217 local function read_cid_font()
218 local dat = ltjb.load_cache("ltj-cid-auto-" .. string.lower(cid_name),
221 cidfont_data[cid_name] = dat[1]
222 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
224 -- Now we must create the virtual metrics from CMap.
227 if cidfont_data[cid_name] then
228 cidfont_data[cid_name].shared.processes = cidf_vert_processor
229 for i,v in pairs(cidfont_data[cid_name].characters) do
230 if not v.width then v.width = 655360 end
231 v.height, v.depth = 576716.8, 78643.2 -- optimized for jfm-ujis.lua
233 return cidfont_data[cid_name]
240 local function prepare_cid_font(reg, ord)
241 cid_reg, cid_order, cid_name, cid_supp = reg, ord, reg .. '-' .. ord
242 return cidfont_data[cid_name] or read_cid_font()
246 local definers = fonts.definers
247 local function mk_rml(name, size, id)
248 local specification = definers.analyze(name,size)
249 --specification = definers.resolve(specification) (not needed)
250 specification.detail = specification.detail or ''
254 local s = cidfont_data[cid_name]
255 luatexja.rmlgbm.vert_addfunc(id)
256 for k, v in pairs(s) do
260 fontdata.characters = nil
261 cachedata.characters = nil
262 fontdata.shared = nil
263 cachedata.shared = nil
265 cachedata.shared = {}
266 local shared = cachedata.shared
267 for k, v in pairs(s.shared) do
272 -- characters & scaling
273 if size < 0 then size = -size * 655.36 end
274 local scale = size / 655360
277 local def_height = 0.88 * size
278 -- character's default height (optimized for jfm-ujis.lua)
279 local def_depth = 0.12 * size -- and depth.
280 if not cache_chars[cid_name][size] then
281 cache_chars[cid_name][size] = {}
282 for k, v in pairs(cache_chars[cid_name][655360]) do
283 cache_chars[cid_name][size][k] = {
284 index = v.index, width = v.width * scale,
285 height = def_height, depth = def_depth, tounicode = v.tounicode,
289 fontdata.characters = cache_chars[cid_name][size]
290 cachedata.characters = cache_chars[cid_name][size]
295 local parameters = {}
296 for k, v in pairs(s.parameters) do
297 parameters[k] = v * scale
299 fontdata.parameters = parameters
301 fontdata.resources = s.resources
302 cachedata.parameters = parameters
303 cachedata.size = size
304 cachedata.resources = s.resources
309 local s = string.match(specification.detail, 'slant=([+-]*%d*%.?%d)')
312 var, fontdata.slant = var .. 's' .. tostring(s), s
314 local e = string.match(specification.detail, 'extend=([+-]*%d*%.?%d)')
317 var, fontdata.extend = var .. 'x' .. tostring(e), e
319 if string.match(specification.detail, '(%+?vert)') then
320 cachedata.is_ltj_vert = true
322 fontdata.name = specification.name .. size .. var; cachedata.name = fontdata.name
323 fontdata.fullname = specification.name .. var; cachedata.fullname = fontdata.fullname
324 fontdata.psname = specification.name; cachedata.psname = fontdata.psname
325 identifiers[id] = cachedata
330 local function font_callback(name, size, id, fallback)
331 local p = name:find(":") or name:len()+1
332 if name:sub(1, p-1) == 'psft' then
333 local s = "Adobe-Japan1-6"
334 local basename = name:sub(p+1)
335 local p = basename:find(":")
336 local q = basename:find("/[BI][BI]?")
337 if q and p and q<=p then
338 basename = basename:gsub('/[BI][BI]?', '', 1)
339 p = basename:find(":")
342 local xname = basename:sub(p+1)
345 local q = xname:find(";", p+1) or xname:len()+1
346 if xname:sub(p, p+3)=='cid=' and q>p+4 then
347 s = xname:sub(p+4, q-1)
349 if xname:len()+1==q then p = nil else p = q + 1 end
352 cid_reg, cid_order = string.match(s, "^(.-)%-(.-)%-(%d-)$")
354 cid_reg, cid_order = string.match(s, "^(.-)%-(.-)$")
356 if not prepare_cid_font(cid_reg, cid_order) then
357 ltjb.package_error('luatexja',
358 "bad cid key `" .. s .. "'",
359 "I couldn't find any non-embedded font information for the CID\n" ..
360 '`' .. s .. "'. For now, I'll use `Adobe-Japan1-6'.\n"..
361 'Please contact the LuaTeX-ja project team.')
362 cid_name = "Adobe-Japan1"
364 return mk_rml(basename, size, id)
366 local tfmdata=fallback(name, size, id)
367 if type (tfmdata) == "table" and tfmdata.shared then
368 luatexbase.call_callback("luaotfload.patch_font", tfmdata, name)
375 prepare_cid_font = prepare_cid_font,
376 cidfont_data = cidfont_data,
377 font_callback = font_callback,
378 vert_addfunc = function () end, -- dummy, set in ltj-direction.lua
381 prepare_cid_font('Adobe', 'Japan1')