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 local feat_dummy_vert = { gsub={vert={dflt={dflt=true}}} }
110 local seq_dummy_vert={{
111 features={vert={dflt={dflt=true}}},
112 --flags={false,false,false,false},
113 --index=1, name="s_s_0", skiphash=false, steps={coverage={},index=1},
114 ["type"]="gsub_single", order='vert',
116 make_cid_font = function ()
117 local kx = cid_replace[cid_name]
118 if not kx then return end
120 cidinfo = { ordering=cid_order, registry=cid_reg, supplement=kx[3] },
121 encodingbytes = 2, extend=1000, format = 'opentype',
122 direction = 0, characters = {}, parameters = {
123 ascender = 655360*0.88,
124 descender = 655360*0.12,
126 embedding = "no", cache = "yes", factor = 0, hfactor = 0, vfactor = 0,
128 properties = { language = "dflt", script = "dflt" },
130 cidfont_data[cid_name] = k
132 -- CID => Unicode 符号空間
133 local tth, cidmo = {}, {}
134 tt, cidm = tth, cidmo
135 for i = 0,kx[2] do cidm[i] = -1 end
136 open_cmap_file(kx[1] .. "-H", increment, tonumber, entry)
139 -- Unicode にマップされなかった文字の処理
140 -- 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
141 local ttu, pricode = {}, 0xF0000
142 for i,v in ipairs(cidmo) do
144 tth[pricode], cidmo[i], pricode
145 = { index = i }, pricode, pricode+1;
147 ttu[cid_order .. '.' .. i] = cidmo[i]
153 cidinfo= k.cidinfo, verbose = false,
154 shared = { featuredata = {}, },
156 dynamics = {}, processes = {},
157 rawdata = {}, features={},
161 features = feat_dummy_vert,
162 sequences = seq_dummy_vert,
165 k.shared.rawdata.resources=k.resources
166 k.shared.rawdata.descriptions=k.descriptions
167 cache_chars[cid_name] = { [655360] = k.characters }
171 local ttv = {}; k.shared.ltj_vert_table = ttv
172 for i = 0,kx[2] do cidm[i] = -1 end
173 open_cmap_file(kx[1] .. "-V", increment, tonumber, entry)
174 for i,v in pairs(tt) do
175 ttv[i] = cidmo[v.index]
179 local cidp = {nil, nil}; tt, ttu, cidm = {}, {}, {}
180 open_cmap_file(cid_name .. "-UCS2",
182 a[2] = a[2] +1 ; return a
185 cidp[1] = string.upper(string.sub(a,1,string.len(a)-4))
186 cidp[2] = tonumber(string.sub(a,-4),16)
189 function(a) return a[1] ..string.format('%04X',a[2]) end)
190 -- tt は cid -> tounicode になっているので cidm -> tounicode に変換
192 for i,v in ipairs(cidmo) do
193 k.characters[v].width = kxf(i)
195 k.characters[v].tounicode = tt[i]
200 k.characters[46].width = math.floor(655360/14);
201 ltjb.save_cache( "ltj-cid-auto-" .. string.lower(cid_name),
210 local cidf_vert_processor
212 local traverse_id, is_node = node.direct.traverse_id, node.is_node
213 local to_direct = node.direct.todirect
214 local id_glyph = node.id('glyph')
215 local getfont = node.direct.getfont
216 local getchar = node.direct.getchar
217 local setchar = node.direct.setchar
218 cidf_vert_processor = {
219 function (head, fnum)
220 local fontdata = identifiers[fnum]
221 if head and luatexja.jfont.font_metric_table[fnum].vert_activated then
222 local vt = fontdata.shared.ltj_vert_table
223 local nh = is_node(head) and to_direct(head) or head
224 for n in traverse_id(id_glyph, head) do
225 if getfont(n)==fnum then
226 local c = getchar(n); setchar(n, vt[c] or c)
235 local function cid_cache_outdated(t) return t.version~=cache_ver end
236 local function read_cid_font()
237 local dat = ltjb.load_cache("ltj-cid-auto-" .. string.lower(cid_name),
240 cidfont_data[cid_name] = dat[1]
241 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
243 -- Now we must create the virtual metrics from CMap.
246 if cidfont_data[cid_name] then
247 cidfont_data[cid_name].shared.processes = cidf_vert_processor
248 for i,v in pairs(cidfont_data[cid_name].characters) do
249 if not v.width then v.width = 655360 end
250 v.height, v.depth = 576716.8, 78643.2 -- optimized for jfm-ujis.lua
252 return cidfont_data[cid_name]
259 local function prepare_cid_font(reg, ord)
260 cid_reg, cid_order, cid_name, cid_supp = reg, ord, reg .. '-' .. ord
261 return cidfont_data[cid_name] or read_cid_font()
265 local definers = fonts.definers
266 local function mk_rml(name, size, id)
267 local specification = definers.analyze(name,size)
268 --specification = definers.resolve(specification) (not needed)
269 specification.detail = specification.detail or ''
271 local n = specification.name
272 if n:sub(1,1)=="{" then n=n:sub(2) end
273 if n:sub(-1)=="}" then n=n:sub(1,-2) end
278 local s = cidfont_data[cid_name]
279 luatexja.rmlgbm.vert_addfunc(id)
280 for k, v in pairs(s) do
284 fontdata.characters = nil
285 cachedata.characters = nil
286 fontdata.shared = nil
287 cachedata.shared = nil
289 cachedata.shared = {}
290 local shared = cachedata.shared
291 for k, v in pairs(s.shared) do
296 -- characters & scaling
297 if size < 0 then size = -size * 655.36 end
298 local scale = size / 655360
301 local def_height = 0.88 * size
302 -- character's default height (optimized for jfm-ujis.lua)
303 local def_depth = 0.12 * size -- and depth.
304 if not cache_chars[cid_name][size] then
305 cache_chars[cid_name][size] = {}
306 for k, v in pairs(cache_chars[cid_name][655360]) do
307 cache_chars[cid_name][size][k] = {
308 index = v.index, width = v.width * scale,
309 height = def_height, depth = def_depth, tounicode = v.tounicode,
313 fontdata.characters = cache_chars[cid_name][size]
314 cachedata.characters = cache_chars[cid_name][size]
319 local parameters = {}
320 for k, v in pairs(s.parameters) do
321 parameters[k] = v * scale
323 fontdata.parameters = parameters
325 fontdata.resources = s.resources
326 cachedata.parameters = parameters
327 cachedata.size = size
328 cachedata.resources = s.resources
333 local s = string.match(specification.detail, 'slant=([+-]*%d*%.?%d)')
336 var, fontdata.slant = var .. 's' .. tostring(s), s
338 local e = string.match(specification.detail, 'extend=([+-]*%d*%.?%d)')
341 var, fontdata.extend = var .. 'x' .. tostring(e), e
343 fontdata.name = specification.name .. size .. var; cachedata.name = fontdata.name
344 fontdata.fullname = specification.name .. var; cachedata.fullname = fontdata.fullname
345 fontdata.psname = specification.name; cachedata.psname = fontdata.psname
346 identifiers[id] = cachedata
351 local function font_callback(name, size, id, fallback)
352 if name:sub(1,1)=="{" and name:sub(-1)=="}" then name = name:sub(2,-2) end
353 local p = name:find(":") or 0
354 if name:sub(1, p-1) == 'psft' then
355 local s = "Adobe-Japan1-6"
356 local basename = name:sub(p+1)
357 local p = basename:find(":")
358 local q = basename:find("/[BI][BI]?")
359 if q and p and q<=p then
360 basename = basename:gsub('/[BI][BI]?', '', 1)
361 p = basename:find(":")
364 local xname = basename:sub(p+1)
367 local q = xname:find(";", p+1) or xname:len()+1
368 if xname:sub(p, p+3)=='cid=' and q>p+4 then
369 s = xname:sub(p+4, q-1)
371 if xname:len()+1==q then p = nil else p = q + 1 end
374 cid_reg, cid_order = string.match(s, "^(.-)%-(.-)%-(%d-)$")
376 cid_reg, cid_order = string.match(s, "^(.-)%-(.-)$")
378 if not prepare_cid_font(cid_reg, cid_order) then
379 ltjb.package_error('luatexja',
380 "bad cid key `" .. s .. "'",
381 "I couldn't find any non-embedded font information for the CID\n" ..
382 '`' .. s .. "'. For now, I'll use `Adobe-Japan1-6'.\n"..
383 'Please contact the LuaTeX-ja project team.')
384 cid_name = "Adobe-Japan1"
386 return mk_rml(basename, size, id)
388 local tfmdata=fallback(name, size, id)
389 if type (tfmdata) == "table" and tfmdata.shared then
390 luatexbase.call_callback("luaotfload.patch_font", tfmdata, name)
397 prepare_cid_font = prepare_cid_font,
398 cidfont_data = cidfont_data,
399 font_callback = font_callback,
400 vert_addfunc = function () end, -- dummy, set in ltj-direction.lua
403 prepare_cid_font('Adobe', 'Japan1')