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),
23 local function read_cid_font(cid_name)
24 local v = "ltj-cid-" .. string.lower(cid_name) .. ".lua"
25 local localpath = file.join(path.localdir, v)
26 local systempath = file.join(path.systemdir, v)
27 local kpsefound = kpse.find_file(v)
28 if kpsefound and file.isreadable(kpsefound) then
29 cidfont_data[cid_name] = require(kpsefound)
30 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
31 elseif file.isreadable(localpath) then
32 cidfont_data[cid_name] = require(localpath)
33 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
34 elseif file.isreadable(systempath) then
35 cidfont_data[cid_name] = require(systempath)
36 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
38 if cidfont_data[cid_name] then
39 for i,v in pairs(cidfont_data[cid_name].characters) do
40 if not v.width then v.width = 655360 end
41 v.height, v.depth = 576716.8, 78643.2 -- optimized for jfm-ujis.lua
47 local function mk_rml(name, size, id, cid_name)
48 local specification = fonts.define.analyze(name,size)
49 specification = fonts.define.specify[':'](specification)
50 local features = specification.features.normal
54 local s = cidfont_data[cid_name]
55 for k, v in pairs(s) do
59 fontdata.characters = nil
60 cachedata.characters = nil
61 fontdata.unicodes = nil
63 cachedata.shared = nil
66 local shared = cachedata.shared
67 for k, v in pairs(s.shared) do
71 shared.set_dynamics = fonts.otf.set_dynamics
72 shared.processes, shared.features = fonts.otf.set_features(cachedata,fonts.define.check(features,fonts.otf.features.default))
75 -- characters & scaling
76 if size < 0 then size = -size * 655.36 end
77 local scale = size / 655360
78 local def_height = 0.88 * size -- character's default height (optimized for jfm-ujis.lua)
79 local def_depth = 0.12 * size -- and depth.
80 if not cache_chars[cid_name][size] then
81 cache_chars[cid_name][size] = {}
82 for k, v in pairs(cache_chars[cid_name][655360]) do
83 cache_chars[cid_name][size][k] = {
84 index = v.index, width = v.width * scale,
85 height = def_height, depth = def_depth, tounicode = v.tounicode,
89 fontdata.characters = cache_chars[cid_name][size]
90 cachedata.characters = cache_chars[cid_name][size]
93 for k, v in pairs(s.parameters) do
94 parameters[k] = v * scale
96 fontdata.parameters = parameters; cachedata.parameters = parameters
97 fontdata.ascender = fontdata.ascender * scale; cachedata.ascender = fontdata.ascender
98 fontdata.descender = fontdata.descender * scale; cachedata.descender = fontdata.descender
99 fontdata.factor = fontdata.factor * scale; cachedata.factor = fontdata.factor
100 fontdata.hfactor = fontdata.hfactor * scale; cachedata.hfactor = fontdata.hfactor
101 fontdata.vfactor = fontdata.vfactor * scale; cachedata.vfactor = fontdata.vfactor
102 fontdata.size = size; cachedata.size = size
106 if features.slant then
107 fontdata.slant = features.slant*1000; cachedata.slant = fontdata.slant
108 var = var .. 's' .. tostring(features.slant)
110 if features.extend then
111 fontdata.extend = features.extend*1000; cachedata.extend = fontdata.extend
112 var = var .. 'x' .. tostring(features.extend)
114 fontdata.name = specification.name .. size .. var; cachedata.name = fontdata.name
115 fontdata.fullname = specification.name .. var; cachedata.fullname = fontdata.fullname
116 fontdata.psname = specification.name; cachedata.psname = fontdata.psname
117 fonts.ids[id] = cachedata
122 local dr_orig = fonts.define.read
123 function fonts.define.read(name, size, id)
124 local p = utf.find(name, ":") or utf.len(name)+1
125 if utf.sub(name, 1, p-1) == 'psft' then
126 local cid_reg, cid_order, cid_name
127 local s = "Adobe-Japan1-6"
128 local basename = utf.sub(name,p+1)
129 local p = utf.find(basename, ":")
131 local xname = utf.sub(basename, p+1)
134 local q = utf.find(xname, ";", p+1) or utf.len(xname)+1
135 if utf.sub(xname, p, p+3)=='cid=' and q>p+4 then
136 s = utf.sub(xname, p+4, q-1)
138 if utf.len(xname)+1==q then p = nil else p = q + 1 end
141 cid_reg, cid_order = string.match(s, "^(.-)%-(.-)%-(%d-)$")
143 cid_reg, cid_order = string.match(s, "^(.-)%-(.-)$")
145 cid_name = cid_reg .. '-' .. cid_order
146 if not cidfont_data[cid_name] then
147 read_cid_font(cid_name)
148 if not cidfont_data[cid_name] then
149 ltjb.package_error('luatexja',
150 "bad cid key `" .. s .. "'",
151 "I couldn't find any non-embedded font information for the CID\n" ..
152 '`' .. s .. "'. For now, I'll use `Adobe-Japan1-6'.\n"..
153 'Please contact the LuaTeX-ja project team.')
154 cid_name = "Adobe-Japan1"
157 return mk_rml(basename, size, id, cid_name)
159 return dr_orig(name, size, id)
164 read_cid_font("Adobe-Japan1")