4 luatexbase.provides_module({
5 name = 'luatexja.rmlgbm',
8 description = 'Definitions of non-embedded Japanese fonts',
10 module('luatexja.rmlgbm', package.seeall)
11 local err, warn, info, log = luatexbase.errwarinf(_NAME)
13 require('luatexja.base'); local ltjb = luatexja.base
15 local round = tex.round
16 local cidfont_data = {}
17 local cache_chars = {}
18 local cid_reg, cid_order, cid_supp, cid_name
19 local taux_dir = 'luatex-cache/luatexja'
21 localdir = file.join(kpse.expand_var("$TEXMFVAR"), aux_dir),
22 systemdir = file.join(kpse.expand_var("$TEXMFSYSVAR"), aux_dir),
26 local function read_cid_font()
27 local v = "ltj-cid-" .. string.lower(cid_name) .. ".lua"
28 local localpath = file.join(path.localdir, v)
29 local systempath = file.join(path.systemdir, v)
30 local kpsefound = kpse.find_file(v)
31 if kpsefound and file.isreadable(kpsefound) then
32 cidfont_data[cid_name] = require(kpsefound)
33 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
35 elseif file.isreadable(localpath) then
36 cidfont_data[cid_name] = require(localpath)
37 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
39 elseif file.isreadable(systempath) then
40 cidfont_data[cid_name] = require(systempath)
41 cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
48 local function mk_rml(name, size, id)
49 local specification = fonts.define.analyze(name,size)
50 specification = fonts.define.specify[':'](specification)
51 local features = specification.features.normal
55 local s = cidfont_data[cid_name]
58 s = cidfont_data["Adobe-Japan1"]
60 for k, v in pairs(s) do
64 fontdata.characters = nil
65 cachedata.characters = nil
66 fontdata.unicodes = nil
68 cachedata.shared = nil
71 local shared = cachedata.shared
72 for k, v in pairs(s.shared) do
76 shared.set_dynamics = fonts.otf.set_dynamics
77 shared.processes, shared.features = fonts.otf.set_features(cachedata,fonts.define.check(features,fonts.otf.features.default))
80 -- characters & scaling
81 if size < 0 then size = -size * 655.36 end
82 local scale = size / 655360
83 local def_height = round(0.88 * size) -- character's default height (optimized for jfm-ujis.lua)
84 local def_depth = round(0.12 * size) -- and depth.
85 if not cache_chars[cid_name][size] then
86 cache_chars[cid_name][size] = {}
87 for k, v in pairs(cache_chars[cid_name][655360]) do
88 cache_chars[cid_name][size][k] = {
89 index = v.index, width = round(v.width * scale),
90 height = def_height, depth = def_depth, tounicode = v.tounicode,
94 fontdata.characters = cache_chars[cid_name][size]
95 cachedata.characters = cache_chars[cid_name][size]
98 for k, v in pairs(s.parameters) do
99 parameters[k] = v * scale
101 fontdata.parameters = parameters; cachedata.parameters = parameters
102 fontdata.ascender = fontdata.ascender * scale; cachedata.ascender = fontdata.ascender
103 fontdata.descender = fontdata.descender * scale; cachedata.descender = fontdata.descender
104 fontdata.factor = fontdata.factor * scale; cachedata.factor = fontdata.factor
105 fontdata.hfactor = fontdata.hfactor * scale; cachedata.hfactor = fontdata.hfactor
106 fontdata.vfactor = fontdata.vfactor * scale; cachedata.vfactor = fontdata.vfactor
107 fontdata.size = size; cachedata.size = size
111 if features.slant then
112 fontdata.slant = features.slant*1000; cachedata.slant = fontdata.slant
113 var = var .. 's' .. tostring(features.slant)
115 if features.extend then
116 fontdata.extend = features.extend*1000; cachedata.extend = fontdata.extend
117 var = var .. 'x' .. tostring(features.extend)
119 fontdata.name = specification.name .. size .. var; cachedata.name = fontdata.name
120 fontdata.fullname = specification.name .. var; cachedata.fullname = fontdata.fullname
121 fontdata.psname = specification.name; cachedata.psname = fontdata.psname
122 fonts.ids[id] = cachedata
127 local dr_orig = fonts.define.read
128 function fonts.define.read(name, size, id)
129 local p = utf.find(name, ":") or utf.len(name)+1
130 if utf.sub(name, 1, p-1) == 'psft' then
131 local s = "Adobe-Japan1-6"
132 local basename = utf.sub(name,p+1)
133 local p = utf.find(basename, ":")
135 local xname = utf.sub(basename, p+1)
138 local q = utf.find(xname, ";", p+1) or utf.len(xname)+1
139 if utf.sub(xname, p, p+3)=='cid=' and q>p+4 then
140 s = utf.sub(xname, p+4, q-1)
142 if utf.len(xname)+1==q then p = nil else p = q + 1 end
145 cid_reg, cid_order, cid_supp = string.match(s, "(.-)%-(.-)%-(%d-)")
146 cid_name = cid_reg .. '-' .. cid_order
147 if not cidfont_data[cid_name] then read_cid_font() end
148 return mk_rml(basename, size, id)
150 return dr_orig(name, size, id)