+++ /dev/null
---
--- luatexja/ltj-rmlgbm.lua
---
-luatexja.load_module('base'); local ltjb = luatexja.base
-
-local cidfont_data = {}
-local cache_chars = {}
-local cache_ver = 8
-local identifiers = fonts.hashes.identifiers
-
-local cid_reg, cid_order, cid_supp, cid_name
-local cid_replace = {
- ["Adobe-Japan1"] = {"UniJIS2004-UTF32", 23059, 7,
- function (i)
- if (231<=i and i<=632) or (8718<=i and i<=8719)
- or (12063<=i and i<=12087) then
- return 327680 -- 655360/2
- elseif 9758<=i and i<=9778 then
- return 218453 -- 655360/3
- elseif 9738<=i and i<=9757 then
- return 163840 -- 655360/4
- end
- end},
- -- 基本的には JIS X 0213:2004 に沿ったマッピング
- ["Adobe-Korea1"] = {"UniKS-UTF32", 18351, 2,
- function (i)
- if 8094<=i and i<=8100 then
- return 327680 -- 655360/2
- end
- end},
- ["Adobe-GB1"] = {"UniGB-UTF32", 30283, 5,
- function (i)
- if (814<=i and i<=939) or (i==7716)
- or (22355<=i and i<=22357) then
- return 327680 -- 655360/2
- end
- end},
- ["Adobe-CNS1"] = {"UniCNS-UTF32", 19178, 7,
- function (i)
- if (13648<=i and i<=13742) or (i==17603) then
- return 327680 -- 655360/2
- end
- end},
- ["Adobe-KR"] = {"UniAKR-UTF32", 22896, 9,
- function (i)
- if i==3057 then
- return 655360*2
- elseif i==3058 then
- return 655360*3
- elseif i==12235 or i==12236 then
- return 163840 -- 655360/4
- end
- end},
-}
-
--- reading CID maps
-local make_cid_font
-do
- local line, fh -- line, file handler
- local tt,cidm -- characters, cid->(Unicode)
-
- local function load_cid_char(cid_dec, mke)
- local cid, ucs, ucsa
- line = fh:read("*l")
- while line do
- if string.find(line, "end...?char") then
- line = fh:read("*l"); return
- else -- WMA l is in the form "<%x+>%s%d+"
- ucs, cid = string.match(line, "<(%x+)>%s+<?(%x+)>?")
- cid = cid_dec(cid); ucs = tonumber(ucs, 16);
- if not tt[ucs] then
- tt[ucs] = mke(cid); cidm[cid]=ucs
- end
- end
- line = fh:read("*l")
- end
- end
-
- local function load_cid_range(inc, cid_dec, mke)
- local bucs, eucs, cid
- line = fh:read("*l")
- while line do
- if string.find(line, "end...?range") then
- line = fh:read("*l"); return
- else -- WMA l is in the form "<%x+>%s+<%x+>"
- bucs, eucs, cid = string.match(line, "<(%x+)>%s+<(%x+)>%s+<?(%x+)>?")
- cid = cid_dec(cid);
- bucs = tonumber(bucs, 16); eucs = tonumber(eucs, 16)
- for ucs = bucs, eucs do
- if not tt[ucs] then
- tt[ucs] = mke(cid); cidm[cid]=ucs
- end
- cid = inc(cid)
- end
- end
- line = fh:read("*l")
- end
- end
-
- local function open_cmap_file(name, inc, cid_dec, mke)
- fh = io.open(kpse.find_file(name, 'cmap files'), "r")
- line = fh:read("*l")
- while line do
- if string.find(line, "%x+%s+begin...?char") then
- load_cid_char(cid_dec, mke)
- elseif string.find(line, "%x+%s+begin...?range") then
- load_cid_range(inc, cid_dec, mke)
- else
- line = fh:read("*l")
- end
- end
- fh:close();
- end
-
- local function increment(a) return a+1 end
- local function entry(a)
- return {index = a}
- end
- local feat_dummy_vert = { gsub={vert={dflt={dflt=true}}} }
- local seq_dummy_vert={{
- features={vert={dflt={dflt=true}}},
- --flags={false,false,false,false},
- --index=1, name="s_s_0", skiphash=false, steps={coverage={},index=1},
- ["type"]="gsub_single", order='vert',
- }}
- make_cid_font = function ()
- local kx = cid_replace[cid_name]
- if not kx then return end
- local k = {
- cidinfo = { ordering=cid_order, registry=cid_reg, supplement=kx[3] },
- encodingbytes = 2, extend=1000, format = 'opentype',
- direction = 0, characters = {}, parameters = {
- ascender = 655360*0.88,
- descender = 655360*0.12,
- },
- embedding = "no", cache = "yes", factor = 0, hfactor = 0, vfactor = 0,
- tounicode = 1,
- properties = { language = "dflt", script = "dflt" },
- }
- cidfont_data[cid_name] = k
-
- -- CID => Unicode 符号空間
- local tth, cidmo = {}, {}
- tt, cidm = tth, cidmo
- for i = 0,kx[2] do cidm[i] = -1 end
- open_cmap_file(kx[1] .. "-H", increment, tonumber, entry)
- k.characters = tth
-
- -- Unicode にマップされなかった文字の処理
- -- 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
- local ttu, pricode = {}, 0xF0000
- for i,v in ipairs(cidmo) do
- if v==-1 then
- tth[pricode], cidmo[i], pricode
- = { index = i }, pricode, pricode+1;
- end
- ttu[cid_order .. '.' .. i] = cidmo[i]
- end
-
- -- shared
- k.shared = {
- otfdata = {
- cidinfo= k.cidinfo, verbose = false,
- shared = { featuredata = {}, },
- },
- dynamics = {}, processes = {},
- rawdata = {}, features={},
- }
- k.resources = {
- unicodes = ttu,
- features = feat_dummy_vert,
- sequences = seq_dummy_vert,
- }
- k.descriptions = {}
- k.shared.rawdata.resources=k.resources
- k.shared.rawdata.descriptions=k.descriptions
- cache_chars[cid_name] = { [655360] = k.characters }
-
- -- 縦書用字形
- tt, cidm = {}, {}
- local ttv = {}; k.shared.ltj_vert_table = ttv
- for i = 0,kx[2] do cidm[i] = -1 end
- open_cmap_file(kx[1] .. "-V", increment, tonumber, entry)
- for i,v in pairs(tt) do
- ttv[i] = cidmo[v.index]
- end
-
- -- tounicode エントリ
- local cidp = {nil, nil}; tt, ttu, cidm = {}, {}, {}
- open_cmap_file(cid_name .. "-UCS2",
- function(a)
- a[2] = a[2] +1 ; return a
- end,
- function(a)
- cidp[1] = string.upper(string.sub(a,1,string.len(a)-4))
- cidp[2] = tonumber(string.sub(a,-4),16)
- return cidp
- end,
- function(a) return a[1] ..string.format('%04X',a[2]) end)
- -- tt は cid -> tounicode になっているので cidm -> tounicode に変換
- local kxf = kx[4]
- for i,v in ipairs(cidmo) do
- k.characters[v].width = kxf(i)
- if v>=0xF0000 then
- k.characters[v].tounicode = tt[i]
- end
- end
-
- -- Save
- k.characters[46].width = math.floor(655360/14);
- ltjb.save_cache( "ltj-cid-auto-" .. string.lower(cid_name),
- {
- version = cache_ver,
- k,
- })
- end
-end
-
---
-local cidf_vert_processor
-do
- local traverse_id, is_node = node.direct.traverse_id, node.is_node
- local to_direct = node.direct.todirect
- local id_glyph = node.id('glyph')
- local getfont = node.direct.getfont
- local getchar = node.direct.getchar
- local setchar = node.direct.setchar
- cidf_vert_processor = {
- function (head, fnum)
- local fontdata = identifiers[fnum]
- if head and luatexja.jfont.font_metric_table[fnum].vert_activated then
- local vt = fontdata.shared.ltj_vert_table
- local nh = is_node(head) and to_direct(head) or head
- for n in traverse_id(id_glyph, head) do
- if getfont(n)==fnum then
- local c = getchar(n); setchar(n, vt[c] or c)
- end
- end
- return head, false
- end
- end
- }
-end
-
-local function cid_cache_outdated(t) return t.version~=cache_ver end
-local function read_cid_font()
- local dat = ltjb.load_cache("ltj-cid-auto-" .. string.lower(cid_name),
- cid_cache_outdated )
- if dat then
- cidfont_data[cid_name] = dat[1]
- cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
- else
- -- Now we must create the virtual metrics from CMap.
- make_cid_font()
- end
- if cidfont_data[cid_name] then
- cidfont_data[cid_name].shared.processes = cidf_vert_processor
- for i,v in pairs(cidfont_data[cid_name].characters) do
- if not v.width then v.width = 655360 end
- v.height, v.depth = 576716.8, 78643.2 -- optimized for jfm-ujis.lua
- end
- return cidfont_data[cid_name]
- else
- return nil
- end
-end
-
--- High-level
-local function prepare_cid_font(reg, ord)
- cid_reg, cid_order, cid_name, cid_supp = reg, ord, reg .. '-' .. ord
- return cidfont_data[cid_name] or read_cid_font()
-end
-
-
-local definers = fonts.definers
-local function mk_rml(name, size, id)
- local specification = definers.analyze(name,size)
- --specification = definers.resolve(specification) (not needed)
- specification.detail = specification.detail or ''
- do
- local n = specification.name
- if n:sub(1,1)=="{" then n=n:sub(2) end
- if n:sub(-1)=="}" then n=n:sub(1,-2) end
- specification.name=n
- end
- local fontdata = {}
- local cachedata = {}
- local s = cidfont_data[cid_name]
- luatexja.rmlgbm.vert_addfunc(id)
- for k, v in pairs(s) do
- fontdata[k] = v
- cachedata[k] = v
- end
- fontdata.characters = nil
- cachedata.characters = nil
- fontdata.shared = nil
- cachedata.shared = nil
- if s.shared then
- cachedata.shared = {}
- local shared = cachedata.shared
- for k, v in pairs(s.shared) do
- shared[k] = v
- end
- end
-
- -- characters & scaling
- if size < 0 then size = -size * 655.36 end
- local scale = size / 655360
-
- do
- local def_height = 0.88 * size
- -- character's default height (optimized for jfm-ujis.lua)
- local def_depth = 0.12 * size -- and depth.
- if not cache_chars[cid_name][size] then
- cache_chars[cid_name][size] = {}
- for k, v in pairs(cache_chars[cid_name][655360]) do
- cache_chars[cid_name][size][k] = {
- index = v.index, width = v.width * scale,
- height = def_height, depth = def_depth, tounicode = v.tounicode,
- }
- end
- end
- fontdata.characters = cache_chars[cid_name][size]
- cachedata.characters = cache_chars[cid_name][size]
- end
-
- -- other parameters
- do
- local parameters = {}
- for k, v in pairs(s.parameters) do
- parameters[k] = v * scale
- end
- fontdata.parameters = parameters
- fontdata.size = size
- fontdata.resources = s.resources
- cachedata.parameters = parameters
- cachedata.size = size
- cachedata.resources = s.resources
- end
-
- -- no embedding
- local var = ''
- local s = string.match(specification.detail, 'slant=([+-]*%d*%.?%d)')
- if s and e~=0 then
- s = s * 1000
- var, fontdata.slant = var .. 's' .. tostring(s), s
- end
- local e = string.match(specification.detail, 'extend=([+-]*%d*%.?%d)')
- if e and e~=1 then
- e = e * 1000
- var, fontdata.extend = var .. 'x' .. tostring(e), e
- end
- fontdata.name = specification.name .. size .. var; cachedata.name = fontdata.name
- fontdata.fullname = specification.name .. var; cachedata.fullname = fontdata.fullname
- fontdata.psname = specification.name; cachedata.psname = fontdata.psname
- identifiers[id] = cachedata
-
- return fontdata
-end
-
-local function font_callback(name, size, id, fallback)
- if name:sub(1,1)=="{" and name:sub(-1)=="}" then name = name:sub(2,-2) end
- local p = name:find(":") or 0
- if name:sub(1, p-1) == 'psft' then
- local s = "Adobe-Japan1-7"
- local basename = name:sub(p+1)
- local p = basename:find(":")
- local q = basename:find("/[BI][BI]?")
- if q and p and q<=p then
- basename = basename:gsub('/[BI][BI]?', '', 1)
- p = basename:find(":")
- end
- if p then
- local xname = basename:sub(p+1)
- p = 1
- while p do
- local q = xname:find(";", p+1) or xname:len()+1
- if xname:sub(p, p+3)=='cid=' and q>p+4 then
- s = xname:sub(p+4, q-1)
- end
- if xname:len()+1==q then p = nil else p = q + 1 end
- end
- end
- cid_reg, cid_order = string.match(s, "^(.-)%-(.-)%-(%d-)$")
- if not cid_reg then
- cid_reg, cid_order = string.match(s, "^(.-)%-(.-)$")
- end
- if not prepare_cid_font(cid_reg, cid_order) then
- ltjb.package_error('luatexja',
- "bad cid key `" .. s .. "'",
- "I couldn't find any non-embedded font information for the CID\n" ..
- '`' .. s .. "'. For now, I'll use `Adobe-Japan1-7'.\n"..
- 'Please contact the LuaTeX-ja project team.')
- cid_name = "Adobe-Japan1"
- end
- return mk_rml(basename, size, id)
- else
- local tfmdata=fallback(name, size, id)
- if type (tfmdata) == "table" and tfmdata.shared then
- luatexbase.call_callback("luaotfload.patch_font", tfmdata, name)
- end
- return tfmdata
- end
-end
-
-luatexja.rmlgbm = {
- prepare_cid_font = prepare_cid_font,
- cidfont_data = cidfont_data,
- font_callback = font_callback,
- vert_addfunc = function () end, -- dummy, set in ltj-direction.lua
-}
-
-prepare_cid_font('Adobe', 'Japan1')
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