4 luatexbase.provides_module({
5 name = 'luatexja.rmlgbm',
8 description = 'Definitions of non-embedded Japanese (or other CJK) fonts',
10 module('luatexja.rmlgbm', package.seeall)
11 local err, warn, info, log = luatexbase.errwarinf(_NAME)
13 luatexja.load_module('base'); local ltjb = luatexja.base
16 local cidfont_data = cidfont_data
17 local cache_chars = {}
19 localdir = file.join(kpse.expand_var("$TEXMFVAR"), aux_dir),
20 systemdir = file.join(kpse.expand_var("$TEXMFSYSVAR"), aux_dir),
23 local cid_reg, cid_order, cid_supp, cid_name
24 local taux_dir = 'luatex-cache/luatexja'
26 ["Adobe-Japan1"] = {"UniJIS2004-UTF32", 23057,
28 if (231<=i and i<=632) or (8718<=i and i<=8719)
29 or (12063<=i and i<=12087) then
30 return 327680 -- 655360/2
31 elseif 9758<=i and i<=9778 then
32 return 218453 -- 655360/3
33 elseif 9738<=i and i<=9757 then
34 return 163840 -- 655360/4
37 -- 基本的には JIS X 0213:2004 に沿ったマッピング
38 ["Adobe-Korea1"] = {"UniKS-UTF32", 18351,
40 if 8094<=i and i<=8100 then
41 return 327680 -- 655360/2
44 ["Adobe-GB1"] = {"UniGB-UTF32", 30283,
46 if (814<=i and i<=939) or (i==7716)
47 or (22355<=i and i<=22357) then
48 return 327680 -- 655360/2
51 ["Adobe-CNS1"] = {"UniCNS-UTF32", 19155,
53 if (13648<=i and i<=13742) or (i==17603) then
54 return 327680 -- 655360/2
61 local line, fh -- line, file handler
62 local tt,cidm -- characters, cid->(Unicode)
64 local function load_cid_char(cid_dec, mke)
68 if string.find(line, "end...?char") then
69 line = fh:read("*l"); return
70 else -- WMA l is in the form "<%x+>%s%d+"
71 ucs, cid = string.match(line, "<(%x+)>%s+<?(%x+)>?")
72 cid = cid_dec(cid); ucs = tonumber(ucs, 16);
74 tt[ucs] = mke(cid); cidm[cid]=ucs
81 local function load_cid_range(inc, cid_dec, mke)
85 if string.find(line, "end...?range") then
86 line = fh:read("*l"); return
87 else -- WMA l is in the form "<%x+>%s+<%x+>"
88 bucs, eucs, cid = string.match(line, "<(%x+)>%s+<(%x+)>%s+<?(%x+)>?")
90 bucs = tonumber(bucs, 16); eucs = tonumber(eucs, 16)
91 for ucs = bucs, eucs do
93 tt[ucs] = mke(cid); cidm[cid]=ucs
102 local function open_cmap_file(name, inc, cid_dec, mke)
103 fh = io.open(kpse.find_file(name, 'cmap files'), "r")
106 if string.find(line, "%x+%s+begin...?char") then
107 load_cid_char(cid_dec, mke)
108 elseif string.find(line, "%x+%s+begin...?range") then
109 load_cid_range(inc, cid_dec, mke)
117 local function increment(a) return a+1 end
118 local function entry(a)
121 function make_cid_font()
123 cidinfo = { ordering=cid_order, registry=cid_reg, supplement=cid_supp },
124 encodingbytes = 2, extend=1000, format = 'opentype',
125 direction = 0, characters = {}, parameters = {}, embedding = "no", cache = "yes",
126 ascender = 0, descender = 0, factor = 0, hfactor = 0, vfactor = 0,
129 local kx = cid_replace[cid_name]
130 cidfont_data[cid_name] = k
132 -- CID => Unicode 符号空間
133 -- TODO: vertical fonts?
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(cidm) do
144 tt[pricode], cidm[i], pricode
145 = { index = i }, pricode, pricode+1;
147 ttu[cid_order .. '.' .. i] = cidm[i]
152 cidinfo= k.cidinfo, verbose = false,
153 shared = { featuredata = {}, },
154 luatex = { features = {},
158 dynamics = {}, features = {}, processes = {},
160 k.resources = { unicodes = ttu, }
162 cache_chars[cid_name] = { [655360] = k.characters }
165 local cidp = {nil, nil}; local cidmo = cidm
166 tt, ttu, cidm = {}, {}, {}
167 open_cmap_file(cid_name .. "-UCS2",
169 a[2] = a[2] +1 ; return a
172 cidp[1] = string.upper(string.sub(a,1,string.len(a)-4))
173 cidp[2] = tonumber(string.sub(a,-4),16)
176 function(a) return a[1] ..string.format('%04X',a[2]) end)
177 -- 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 = kx[3](i)
181 k.characters[v].tounicode = tt[i]
186 local savepath = path.localdir .. '/luatexja/'
187 if not lfs.isdir(savepath) then
190 savepath = file.join(savepath, "ltj-cid-auto-"
191 .. string.lower(cid_name) .. ".lua")
192 if file.iswritable(savepath) then
193 k.characters[46].width = math.floor(655360/14);
194 -- Standard fonts are ``seriffed''.
195 table.tofile(savepath, k,'return', false, true, false )
197 ltjb.package_warning('luatexja',
198 'failed to save informations of non-embedded 2-byte fonts', '')
202 local make_cid_font = make_cid_font
205 local function read_cid_font()
206 -- local v = "ltj-cid-" .. string.lower(cid_name) .. ".lua"
207 local v = "ltj-cid-auto-" .. string.lower(cid_name) .. ".lua"
208 local localpath = file.join(path.localdir, v)
209 local systempath = file.join(path.systemdir, v)
210 local kpsefound = kpse.find_file(v)
211 if kpsefound and file.isreadable(kpsefound) then
212 cidfont_data[cid_name] = require(kpsefound)
213 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
214 elseif file.isreadable(localpath) then
215 cidfont_data[cid_name] = require(localpath)
216 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
217 elseif file.isreadable(systempath) then
218 cidfont_data[cid_name] = require(systempath)
219 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
221 -- Now we must create the virtual metrics from CMap.
222 ltjb.package_info('luatexja',
223 'I try to generate informations of non-embedded 2-byte fonts...', '')
226 if cidfont_data[cid_name] then
227 for i,v in pairs(cidfont_data[cid_name].characters) do
228 if not v.width then v.width = 655360 end
229 v.height, v.depth = 576716.8, 78643.2 -- optimized for jfm-ujis.lua
235 local function mk_rml(name, size, id)
236 local specification = fonts.definers.analyze(name,size)
237 specification = fonts.definers.resolve(specification)
238 local features = specification.features.normal
242 local s = cidfont_data[cid_name]
243 for k, v in pairs(s) do
247 fontdata.characters = nil
248 cachedata.characters = nil
249 fontdata.shared = nil
250 cachedata.shared = nil
252 cachedata.shared = {}
253 local shared = cachedata.shared
254 for k, v in pairs(s.shared) do
259 -- characters & scaling
260 if size < 0 then size = -size * 655.36 end
261 local scale = size / 655360
262 local def_height = 0.88 * size -- character's default height (optimized for jfm-ujis.lua)
263 local def_depth = 0.12 * size -- and depth.
264 if not cache_chars[cid_name][size] then
265 cache_chars[cid_name][size] = {}
266 for k, v in pairs(cache_chars[cid_name][655360]) do
267 cache_chars[cid_name][size][k] = {
268 index = v.index, width = v.width * scale,
269 height = def_height, depth = def_depth, tounicode = v.tounicode,
273 fontdata.characters = cache_chars[cid_name][size]
274 cachedata.characters = cache_chars[cid_name][size]
276 local parameters = {}
277 for k, v in pairs(s.parameters) do
278 parameters[k] = v * scale
280 fontdata.parameters = parameters; cachedata.parameters = parameters
281 fontdata.ascender = fontdata.ascender * scale; cachedata.ascender = fontdata.ascender
282 fontdata.descender = fontdata.descender * scale; cachedata.descender = fontdata.descender
283 fontdata.factor = fontdata.factor * scale; cachedata.factor = fontdata.factor
284 fontdata.hfactor = fontdata.hfactor * scale; cachedata.hfactor = fontdata.hfactor
285 fontdata.vfactor = fontdata.vfactor * scale; cachedata.vfactor = fontdata.vfactor
286 fontdata.size = size; cachedata.size = size
287 fontdata.resources = s.resources
288 cachedata.resources = s.resources
292 -- if features.slant then
293 -- fontdata.slant = features.slant*1000; cachedata.slant = fontdata.slant
294 -- var = var .. 's' .. tostring(features.slant)
296 -- if features.extend then
297 -- fontdata.extend = features.extend*1000; cachedata.extend = fontdata.extend
298 -- var = var .. 'x' .. tostring(features.extend)
300 fontdata.name = specification.name .. size .. var; cachedata.name = fontdata.name
301 fontdata.fullname = specification.name .. var; cachedata.fullname = fontdata.fullname
302 fontdata.psname = specification.name; cachedata.psname = fontdata.psname
303 fonts.ids[id] = cachedata
308 function font_callback(name, size, id, fallback)
309 local p = utf.find(name, ":") or utf.len(name)+1
310 if utf.sub(name, 1, p-1) == 'psft' then
311 local s = "Adobe-Japan1-6"
312 local basename = utf.sub(name,p+1)
313 local p = utf.find(basename, ":")
315 local xname = utf.sub(basename, p+1)
318 local q = utf.find(xname, ";", p+1) or utf.len(xname)+1
319 if utf.sub(xname, p, p+3)=='cid=' and q>p+4 then
320 s = utf.sub(xname, p+4, q-1)
322 if utf.len(xname)+1==q then p = nil else p = q + 1 end
325 cid_reg, cid_order = string.match(s, "^(.-)%-(.-)%-(%d-)$")
327 cid_reg, cid_order = string.match(s, "^(.-)%-(.-)$")
329 cid_name = cid_reg .. '-' .. cid_order
330 if not cidfont_data[cid_name] then
332 if not cidfont_data[cid_name] then
333 ltjb.package_error('luatexja',
334 "bad cid key `" .. s .. "'",
335 "I couldn't find any non-embedded font information for the CID\n" ..
336 '`' .. s .. "'. For now, I'll use `Adobe-Japan1-6'.\n"..
337 'Please contact the LuaTeX-ja project team.')
338 cid_name = "Adobe-Japan1"
341 return mk_rml(basename, size, id)
343 return fallback(name, size, id)
347 cid_reg, cid_order, cid_name, cid_supp = 'Adobe', 'Japan1', 'Adobe-Japan1'