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
15 local cidfont_data = {}
16 local cache_chars = {}
18 localdir = file.join(kpse.expand_var("$TEXMFVAR"), aux_dir),
19 systemdir = file.join(kpse.expand_var("$TEXMFSYSVAR"), aux_dir),
22 local cid_reg, cid_order, cid_supp, cid_name
23 local taux_dir = 'luatex-cache/luatexja'
25 ["Adobe-Japan1"] = "UniJIS2004-UTF32", -- JIS X 0213:2004
26 ["Adobe-Korea1"] = "UniKS-UTF32",
27 ["Adobe-GB1"] = "UniGB-UTF32",
28 ["Adobe-CNS1"] = "UniCNS-UTF32",
34 local function load_bf_char()
38 if line == "endcidchar" then
39 line = fh:read("*l"); return
40 else -- WMA l is in the form "<%x+>%s%d+"
41 ucs, cid = string.match(line, "<(%x+)>%s+(%d+)")
42 cid = tonumber(cid, 10); ucs = tonumber(ucs, 16);
44 tt[ucs] = { index = cid }
51 local function load_bf_range()
55 if line == "endcidrange" then
56 line = fh:read("*l"); return
57 else -- WMA l is in the form "<%x+>%s+<%x+>"
58 bucs, eucs, cid = string.match(line, "<(%x+)>%s+<(%x+)>%s+(%d+)")
59 cid = tonumber(cid, 10); bucs = tonumber(bucs, 16); eucs = tonumber(eucs, 16);
60 for ucs = bucs, eucs do
62 tt[ucs] = { index = cid }
71 local function make_cid_font()
72 cidfont_data[cid_name] = {
73 cidinfo = { ordering=cid_order, registry=cid_reg, supplement=cid_supp },
74 encodingbytes = 2, extend=1000, format = 'opentype',
75 direction = 0, characters = {}, parameters = {}, embedding = "no", cache = "yes",
76 ascender = 0, descender = 0, factor = 0, hfactor = 0, vfactor = 0,
81 -- TODO: vertical fonts?
82 fh = io.open(kpse.find_file(cid_replace[cid_name] .. "-H", 'cmap files'), "r")
85 if string.find(line, "%x+%s+begincidchar") then
87 elseif string.find(line, "%x+%s+begincidrange") then
93 fh:close(); cidfont_data[cid_name].characters = tt
94 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
97 local savepath = path.localdir .. '/luatexja/'
98 if not lfs.isdir(savepath) then
101 savepath = file.join(savepath, "ltj-cid-auto-"
102 .. string.lower(cid_name) .. ".lua")
103 if file.iswritable(savepath) then
104 cidfont_data[cid_name].characters[46].width = 655360/14;
105 table.tofile(savepath, cidfont_data[cid_name],'return', false, true, false )
107 ltjb.package_warning('luatexja',
108 'failed to save informations of non-embedded 2-byte fonts', '')
113 local function read_cid_font()
114 -- local v = "ltj-cid-" .. string.lower(cid_name) .. ".lua"
115 local v = "ltj-cid-auto-" .. string.lower(cid_name) .. ".lua"
116 local localpath = file.join(path.localdir, v)
117 local systempath = file.join(path.systemdir, v)
118 local kpsefound = kpse.find_file(v)
119 if kpsefound and file.isreadable(kpsefound) then
120 cidfont_data[cid_name] = require(kpsefound)
121 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
122 elseif file.isreadable(localpath) then
123 cidfont_data[cid_name] = require(localpath)
124 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
125 elseif file.isreadable(systempath) then
126 cidfont_data[cid_name] = require(systempath)
127 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
129 -- Now we must create the virtual metrics from CMap.
130 ltjb.package_info('luatexja',
131 'I try to generate informations of non-embedded 2-byte fonts...', '')
134 if cidfont_data[cid_name] then
135 for i,v in pairs(cidfont_data[cid_name].characters) do
136 if not v.width then v.width = 655360 end
137 v.height, v.depth = 576716.8, 78643.2 -- optimized for jfm-ujis.lua
143 local function mk_rml(name, size, id)
144 local specification = fonts.define.analyze(name,size)
145 specification = fonts.define.specify[':'](specification)
146 local features = specification.features.normal
150 local s = cidfont_data[cid_name]
151 for k, v in pairs(s) do
155 fontdata.characters = nil
156 cachedata.characters = nil
157 fontdata.unicodes = nil
158 fontdata.shared = nil
159 cachedata.shared = nil
161 cachedata.shared = {}
162 local shared = cachedata.shared
163 for k, v in pairs(s.shared) do
167 shared.set_dynamics = fonts.otf.set_dynamics
168 shared.processes, shared.features = fonts.otf.set_features(cachedata,fonts.define.check(features,fonts.otf.features.default))
171 -- characters & scaling
172 if size < 0 then size = -size * 655.36 end
173 local scale = size / 655360
174 local def_height = 0.88 * size -- character's default height (optimized for jfm-ujis.lua)
175 local def_depth = 0.12 * size -- and depth.
176 if not cache_chars[cid_name][size] then
177 cache_chars[cid_name][size] = {}
178 for k, v in pairs(cache_chars[cid_name][655360]) do
179 cache_chars[cid_name][size][k] = {
180 index = v.index, width = v.width * scale,
181 height = def_height, depth = def_depth, tounicode = v.tounicode,
185 fontdata.characters = cache_chars[cid_name][size]
186 cachedata.characters = cache_chars[cid_name][size]
188 local parameters = {}
189 for k, v in pairs(s.parameters) do
190 parameters[k] = v * scale
192 fontdata.parameters = parameters; cachedata.parameters = parameters
193 fontdata.ascender = fontdata.ascender * scale; cachedata.ascender = fontdata.ascender
194 fontdata.descender = fontdata.descender * scale; cachedata.descender = fontdata.descender
195 fontdata.factor = fontdata.factor * scale; cachedata.factor = fontdata.factor
196 fontdata.hfactor = fontdata.hfactor * scale; cachedata.hfactor = fontdata.hfactor
197 fontdata.vfactor = fontdata.vfactor * scale; cachedata.vfactor = fontdata.vfactor
198 fontdata.size = size; cachedata.size = size
202 if features.slant then
203 fontdata.slant = features.slant*1000; cachedata.slant = fontdata.slant
204 var = var .. 's' .. tostring(features.slant)
206 if features.extend then
207 fontdata.extend = features.extend*1000; cachedata.extend = fontdata.extend
208 var = var .. 'x' .. tostring(features.extend)
210 fontdata.name = specification.name .. size .. var; cachedata.name = fontdata.name
211 fontdata.fullname = specification.name .. var; cachedata.fullname = fontdata.fullname
212 fontdata.psname = specification.name; cachedata.psname = fontdata.psname
213 fonts.ids[id] = cachedata
218 local dr_orig = fonts.define.read
219 function fonts.define.read(name, size, id)
220 local p = utf.find(name, ":") or utf.len(name)+1
221 if utf.sub(name, 1, p-1) == 'psft' then
222 local s = "Adobe-Japan1-6"
223 local basename = utf.sub(name,p+1)
224 local p = utf.find(basename, ":")
226 local xname = utf.sub(basename, p+1)
229 local q = utf.find(xname, ";", p+1) or utf.len(xname)+1
230 if utf.sub(xname, p, p+3)=='cid=' and q>p+4 then
231 s = utf.sub(xname, p+4, q-1)
233 if utf.len(xname)+1==q then p = nil else p = q + 1 end
236 cid_reg, cid_order = string.match(s, "^(.-)%-(.-)%-(%d-)$")
238 cid_reg, cid_order = string.match(s, "^(.-)%-(.-)$")
240 cid_name = cid_reg .. '-' .. cid_order
241 if not cidfont_data[cid_name] then
243 if not cidfont_data[cid_name] then
244 ltjb.package_error('luatexja',
245 "bad cid key `" .. s .. "'",
246 "I couldn't find any non-embedded font information for the CID\n" ..
247 '`' .. s .. "'. For now, I'll use `Adobe-Japan1-6'.\n"..
248 'Please contact the LuaTeX-ja project team.')
249 cid_name = "Adobe-Japan1"
252 return mk_rml(basename, size, id)
254 return dr_orig(name, size, id)
258 cid_reg, cid_order, cid_name = 'Adobe', 'Japan1', 'Adobe-Japan1'