X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=src%2Fltj-rmlgbm.lua;h=499d3eda4a963744f749aaa59c954b48a61114d2;hb=d22e9a970f7ceec36623db91d9b9d7ea1c1019c6;hp=f7553d0ceb043567ae736a60d08c24629d962c4a;hpb=73f9bd4e6731b99d784f7d736692d51411ba3884;p=luatex-ja%2Fluatexja.git

diff --git a/src/ltj-rmlgbm.lua b/src/ltj-rmlgbm.lua
index f7553d0..499d3ed 100644
--- a/src/ltj-rmlgbm.lua
+++ b/src/ltj-rmlgbm.lua
@@ -1,61 +1,60 @@
 --
--- luatexja/rmlgbm.lua
+-- ltj-rmlgbm.lua
 --
-luatexbase.provides_module({
-  name = 'luatexja.rmlgbm',
-  date = '2013/05/14',
-  description = 'Definitions of non-embedded Japanese (or other CJK) fonts',
-})
-module('luatexja.rmlgbm', package.seeall)
-local err, warn, info, log = luatexbase.errwarinf(_NAME)
-
 luatexja.load_module('base');      local ltjb = luatexja.base
 
-cidfont_data = {}
-local cidfont_data = cidfont_data
+local cidfont_data = {}
 local cache_chars = {}
-local path           = {
-    localdir  = file.join(kpse.expand_var("$TEXMFVAR"), aux_dir),
-    systemdir = file.join(kpse.expand_var("$TEXMFSYSVAR"), aux_dir),
-}
+local cache_ver = 10
+local identifiers = fonts.hashes.identifiers
 
 local cid_reg, cid_order, cid_supp, cid_name
-local taux_dir = 'luatex-cache/luatexja'
 local cid_replace = {
-   ["Adobe-Japan1"] = {"UniJIS2004-UTF32", 23057, 6,
-		       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},
+   ["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", 19155, 6,
-		       function (i)
-			  if (13648<=i and i<=13742) or (i==17603) then
-			     return 327680 -- 655360/2
-			  end
-		       end},
+   ["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)
@@ -64,12 +63,12 @@ do
       local cid, ucs, ucsa
       line = fh:read("*l")
       while line do
-         if string.find(line, "end...?char") then 
+         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 
+            cid = cid_dec(cid); ucs = tonumber(ucs, 16);
+            if not tt[ucs]  then
                tt[ucs] = mke(cid); cidm[cid]=ucs
             end
          end
@@ -81,14 +80,14 @@ do
       local bucs, eucs, cid
       line = fh:read("*l")
       while line do
-        if string.find(line, "end...?range") then 
+        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)
+            cid = cid_dec(cid);
+            bucs = tonumber(bucs, 16); eucs = tonumber(eucs, 16)
             for ucs = bucs, eucs do
-               if not tt[ucs]  then 
+               if not tt[ucs]  then
                   tt[ucs] = mke(cid); cidm[cid]=ucs
                end
                cid = inc(cid)
@@ -99,147 +98,196 @@ do
    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")
+      local fn = kpse.find_file(name, 'cmap files')
+      if fn then
+         fh = io.open(fn, "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
-      fh:close();  
    end
-   
+
    local function increment(a) return a+1 end
-   local function entry(a)     
-      return {index = a} 
+   local function entry(a)
+      return {index = a}
    end
-   function make_cid_font()
+   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 = {}, embedding = "no", cache = "yes", 
-         ascender = 0, descender = 0, factor = 0, hfactor = 0, vfactor = 0,
-	 tounicode = 1,
+         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
-      -- TODO: vertical fonts?
-      tt, cidm = {}, {}
+      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 = tt
+      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(cidm) do
-         if v==-1 then 
-            tt[pricode], cidm[i], pricode 
-	       = { index = i }, pricode, pricode+1;
+      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] = cidm[i]
+         ttu[cid_order .. '.' .. i] = cidmo[i]
       end
+
       -- shared
       k.shared = {
-         otfdata = { 
-            cidinfo= k.cidinfo, verbose = false, 
-            shared = { featuredata = {}, }, 
-            luatex = { features = {}, 
-		       defaultwidth=1000, 
-		       sequences = {  }, },
+         otfdata = {
+            cidinfo= k.cidinfo, verbose = false,
+            shared = { featuredata = {}, },
          },
-         dynamics = {}, features = {}, processes = {}, 
+         dynamics = {}, processes = {},
+         rawdata = {}, features={},
+      }
+      k.resources = {
+         unicodes = ttu,
+         features = feat_dummy_vert,
+         sequences = seq_dummy_vert,
       }
-      k.resources = { unicodes = ttu, }
       k.descriptions = {}
       cache_chars[cid_name]  = { [655360] = k.characters }
 
+      -- 縦書用字形
+      tt, cidm = {}, {}
+      local ttv = {}; k.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] -- "unicode" of vertical variant
+      end
+
       -- tounicode エントリ
-      local cidp = {nil, nil}; local cidmo = cidm
-      tt, ttu, cidm = {}, {}, {}
+      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)
+                     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
+         k.characters[v].width = kxf(i)
+         if v>=0xF0000 then
+            k.characters[v].tounicode = tt[i]
+         end
       end
 
       -- Save
-      local savepath  = path.localdir .. '/luatexja/'
-      if not lfs.isdir(savepath) then
-         dir.mkdirs(savepath)
-      end
-      savepath = file.join(savepath, "ltj-cid-auto-" 
-                           .. string.lower(cid_name)  .. ".lua")
-      if file.iswritable(savepath) then
-         k.characters[46].width = math.floor(655360/14);
-	 -- Standard fonts are ``seriffed''. 
-         table.tofile(savepath, k,'return', false, true, false )
-         ltjb.package_info_no_line('luatexja', "saved :'" .. savepath .. "'", '')
-      else 
-         ltjb.package_warning_no_line('luatexja', "failed to save to '" .. savepath .. "'", '')
+      if k and k.characters and k.characters[46] then
+        k.characters[46].width = math.floor(655360/14);
       end
+      ltjb.save_cache("ltj-cid-auto-" .. string.lower(cid_name),
+                      {version = cache_ver, k})
+      k.shared.rawdata.resources=k.resources
+      k.shared.rawdata.descriptions=k.descriptions
    end
 end
-local make_cid_font = make_cid_font
 
--- 
-local function cid_cache_load(fullpath)
-   cidfont_data[cid_name] = require(fullpath)
-   cache_chars[cid_name]  = { [655360] = cidfont_data[cid_name].characters }
+--
+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
+   local font_getfont = font.getfont
+   cidf_vert_processor = {
+      function (head, fnum)
+         local fontdata = font_getfont(fnum)
+         if head and luatexja.jfont.font_metric_table[fnum].vert_activated then
+            local vt = fontdata.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 v = "ltj-cid-" .. string.lower(cid_name) .. ".lua"
-   local v = "ltj-cid-auto-" .. string.lower(cid_name) .. ".lua"
-   local localpath  = file.join(path.localdir .. '/luatexja', v)
-   local systempath = file.join(path.systemdir .. '/luatexja' , v)
-   local kpsefound  = kpse.find_file(v)
-   if kpsefound and file.isreadable(kpsefound) then
-      cid_cache_load(kpsefound)
-   elseif file.isreadable(localpath)  then
-      cid_cache_load(localpath)
-   elseif file.isreadable(systempath) then
-      cid_cache_load(systempath)
+   local dat = ltjb.load_cache("ltj-cid-auto-" .. string.lower(cid_name),
+                               cid_cache_outdated)
+   if dat then
+      dat[1].shared.rawdata.resources=dat[1].resources
+      dat[1].shared.rawdata.descriptions=dat[1].descriptions
+      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)
+   --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]
@@ -255,7 +303,7 @@ local function mk_rml(name, size, id)
       cachedata.shared = {}
       local shared = cachedata.shared
       for k, v in pairs(s.shared) do
-	 shared[k] = v
+         shared[k] = v
       end
    end
 
@@ -264,109 +312,103 @@ local function mk_rml(name, size, id)
    local scale = size / 655360
 
    do
-      local def_height =  0.88 * size 
+      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
+         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
+   luatexja.rmlgbm.vert_addfunc(id, fontdata)
 
    -- other parameters
    do
       local parameters = {}
-      for k, v in pairs(s.parameters) do
-	 parameters[k] = v * scale
-      end
-      fontdata.parameters  = parameters
-      fontdata.ascender    = fontdata.ascender * scale
-      fontdata.descender   = fontdata.descender * scale
-      fontdata.factor      = fontdata.factor * scale
-      fontdata.hfactor     = fontdata.hfactor * scale
-      fontdata.vfactor     = fontdata.vfactor * scale
-      fontdata.size        = size
-      fontdata.resources   = s.resources
-      cachedata.parameters = parameters
-      cachedata.ascender   = fontdata.ascender
-      cachedata.descender  = fontdata.descender
-      cachedata.factor     = fontdata.factor
-      cachedata.hfactor    = fontdata.hfactor
-      cachedata.vfactor    = fontdata.vfactor
-      cachedata.size       = size
-      cachedata.resources  = s.resources
+      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 
+   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 
+   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
-   fonts.ids[id] = cachedata
+   identifiers[id] = cachedata
 
    return fontdata
 end
 
-function font_callback(name, size, id, fallback)
-   local p = utf.find(name, ":") or utf.len(name)+1
-   if utf.sub(name, 1, p-1) == 'psft' then
-      local s = "Adobe-Japan1-6"
-      local basename = utf.sub(name,p+1)
-      local p = utf.find(basename, ":")
-      local q = utf.find(basename, "/[BI][BI]?")
+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 = utf.gsub(basename, '/[BI][BI]?', '', 1)
-	 p = utf.find(basename, ":")
+         basename = basename:gsub('/[BI][BI]?', '', 1)
+         p = basename:find(":")
       end
-      if p then 
-	 local xname = utf.sub(basename, p+1)
-	 p = 1
-	 while p do
-	    local q = utf.find(xname, ";", p+1) or utf.len(xname)+1
-	    if utf.sub(xname, p, p+3)=='cid=' and q>p+4 then
-	       s = utf.sub(xname, p+4, q-1)
-	    end
-	    if utf.len(xname)+1==q then p = nil else p = q + 1 end
-	 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-)$")
-      if not cid_reg then 
+      if not cid_reg then
          cid_reg, cid_order = string.match(s, "^(.-)%-(.-)$")
       end
-      cid_name = cid_reg .. '-' .. cid_order
-      if not cidfont_data[cid_name] then 
-         read_cid_font()
-         if not cidfont_data[cid_name] 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-Japan1-6'.\n"..
-                                  'Please contact the LuaTeX-ja project team.')
-            cid_name = "Adobe-Japan1"
-         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-Japan1-6'.\n"..
+                            'Please contact the LuaTeX-ja project team.')
+         cid_name = "Adobe-Japan1"
       end
       return mk_rml(basename, size, id)
-   else 
-      return fallback(name, size, id)
+   else
+      local fontdata=fallback(name, size, id)
+      if type (fontdata) == "table" and fontdata.encodingbytes == 2 then
+        luatexbase.call_callback ("luaotfload.patch_font", fontdata, name, id)
+      else
+        luatexbase.call_callback ("luaotfload.patch_font_unsafe", fontdata, name, id)
+      end
+      return fontdata
    end
 end
 
-cid_reg, cid_order, cid_name, cid_supp = 'Adobe', 'Japan1', 'Adobe-Japan1'
-read_cid_font()
+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')