--- /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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