4 luatexbase.provides_module({
5 name = 'luatexja.jfont',
7 description = 'Loader for Japanese fonts',
9 module('luatexja.jfont', package.seeall)
11 luatexja.load_module('base'); local ltjb = luatexja.base
12 luatexja.load_module('charrange'); local ltjc = luatexja.charrange
13 luatexja.load_module('rmlgbm'); local ltjr = luatexja.rmlgbm
14 luatexja.load_module('direction'); local ltjd = luatexja.direction
17 local Dnode = node.direct or node
19 local setfield = (Dnode ~= node) and Dnode.setfield or function(n, i, c) n[i] = c end
20 local getid = (Dnode ~= node) and Dnode.getid or function(n) return n.id end
22 local nullfunc = function(n) return n end
23 local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
25 local node_new = Dnode.new
26 local node_free = Dnode.free
27 local has_attr = Dnode.has_attribute
28 local set_attr = Dnode.set_attribute
29 local round = tex.round
30 local font_getfont = font.getfont
32 local attr_icflag = luatexbase.attributes['ltj@icflag']
33 local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
34 local attr_curtfnt = luatexbase.attributes['ltj@curtfnt']
35 local id_glyph = node.id('glyph')
36 local id_kern = node.id('kern')
37 local id_glue_spec = node.id('glue_spec')
38 local id_glue = node.id('glue')
39 local cat_lp = luatexbase.catcodetables['latex-package']
40 local FROM_JFM = luatexja.icflag_table.FROM_JFM
41 local tokenlib = luatexja.token
42 ------------------------------------------------------------------------
44 ------------------------------------------------------------------------
46 metrics={} -- this table stores all metric informations
47 font_metric_table={} -- [font number] -> jfm_name, jfm_var, size
49 luatexbase.create_callback("luatexja.load_jfm", "data", function (ft, jn) return ft end)
51 local jfm_file_name, jfm_var
53 local jfm_dir, is_def_jfont, is_vert_enabled
55 function define_jfm(t)
56 local real_char -- Does current character class have the 'real' character?
57 if t.dir~=jfm_dir then
58 defjfm_res= nil; return
59 elseif type(t.zw)~='number' or type(t.zh)~='number' then
60 defjfm_res= nil; return
62 t.char_type = {}; t.chars = {}
63 for i,v in pairs(t) do
64 if type(i) == 'number' then -- char_type
66 if i ~= 0 then defjfm_res= nil; return end
70 for j,w in pairs(v.chars) do
71 if type(w) == 'number' and w~=-1 then
73 elseif type(w) == 'string' and utf.len(w)==1 then
74 real_char = true; w = utf.byte(w)
75 elseif type(w) == 'string' and utf.len(w)==2 and utf.sub(w,2) == '*' then
76 real_char = true; w = utf.byte(utf.sub(w,1,1))
78 if not t.chars[w] then
81 defjfm_res= nil; return
84 if type(v.align)~='string' then
85 v.align = 'left' -- left
88 if type(v.width)~='number' and v.width~='prop' then
89 defjfm_res= nil; return
91 if v.width=='prop' and jfm_dir=='tate' then
94 if type(v.height)~='number' then
97 if type(v.depth)~='number' then
100 if type(v.italic)~='number' then
103 if type(v.left)~='number' then
106 if type(v.down)~='number' then
113 v.kern = v.kern or {}; v.glue = v.glue or {}
114 for j in pairs(v.glue) do
115 if v.kern[j] then defjfm_res= nil; return end
117 for j,x in pairs(v.kern) do
118 if type(x)=='number' then
120 elseif type(x)=='table' then
121 v.kern[j] = {x[1], x[2] or 0}
128 t = luatexbase.call_callback("luatexja.load_jfm", t, jfm_file_name)
133 local update_jfm_cache
135 local function mult_table(old,scale) -- modified from table.fastcopy
138 for k,v in next, old do
139 if type(v) == "table" then
140 new[k] = mult_table(v,scale)
141 elseif type(v) == "number" then
142 new[k] = round(v*scale)
151 update_jfm_cache = function (j,sz)
152 if metrics[j].size_cache[sz] then return end
153 --local TEMP = node_new(id_kern)
155 metrics[j].size_cache[sz] = t
156 t.chars = metrics[j].chars
157 t.char_type = mult_table(metrics[j].char_type, sz)
158 for i,v in pairs(t.char_type) do
159 v.align = (v.align=='left') and 0 or
160 ((v.align=='right') and 1 or 0.5)
161 if type(i) == 'number' then -- char_type
162 for k,w in pairs(v.glue) do
163 local h = node_new(id_glue_spec)
164 v[k] = {true, h, (w[5] and w[5]/sz or 0), FROM_JFM + (w[4] and w[4]/sz or 0)}
165 setfield(h, 'width', w[1])
166 setfield(h, 'stretch', w[2])
167 setfield(h, 'shrink', w[3])
168 setfield(h, 'stretch_order', 0)
169 setfield(h, 'shrink_order', 0)
171 for k,w in pairs(v.kern) do
172 local g = node_new(id_kern)
173 setfield(g, 'kern', w[1])
174 setfield(g, 'subtype', 1)
175 set_attr(g, attr_icflag, FROM_JFM)
176 v[k] = {false, g, w[2]/sz}
179 v.glue, v.kern = nil, nil
181 t.kanjiskip = mult_table(metrics[j].kanjiskip, sz)
182 t.xkanjiskip = mult_table(metrics[j].xkanjiskip,sz)
183 t.zw = round(metrics[j].zw*sz)
184 t.zh = round(metrics[j].zh*sz)
190 luatexbase.create_callback("luatexja.find_char_class", "data",
191 function (arg, fmtable, char)
195 local start_time_measure = ltjb.start_time_measure
196 local stop_time_measure = ltjb.stop_time_measure
197 local fcc_temp = { chars_cbcache = {} }
199 fcc_temp.chars_cbcache,
201 __index = function () return 0 end,
203 function find_char_class(c,m)
204 -- c: character code, m:
205 local r = (m or fcc_temp).chars_cbcache[c]
208 luatexbase.call_callback("luatexja.find_char_class", 0, m, c)
209 m.chars_cbcache[c or 0] = r
216 ------------------------------------------------------------------------
217 -- LOADING JAPANESE FONTS
218 ------------------------------------------------------------------------
222 local global_flag -- true if \globaljfont, false if \jfont
223 local function load_jfont_metric()
224 if jfm_file_name=='' then
225 ltjb.package_error('luatexja',
227 'To load and define a Japanese font, a JFM must be specified.'..
228 "The JFM 'ujis' will be used for now.")
231 for j,v in ipairs(metrics) do
232 if v.name==jfm_file_name then return j end
234 luatexja.load_lua('jfm-' .. jfm_file_name .. '.lua')
236 defjfm_res.name = jfm_file_name
237 table.insert(metrics, defjfm_res)
245 local utf8 = unicode.utf8
246 function jfontdefX(g, dir, csname)
247 jfm_dir, is_def_jfont = dir, true
248 cstemp = csname:sub( (utf8.byte(csname,1,1) == tex.escapechar) and 2 or 1, -1)
249 cstemp = cstemp:sub(1, ((cstemp:sub(-1,-1)==' ') and (cstemp:len()>=2)) and -2 or -1)
250 global_flag = g and '\\global' or ''
251 tex.sprint(cat_lp, '\\expandafter\\font\\csname ',
252 (cstemp==' ') and '\\space' or cstemp, '\\endcsname')
255 luatexbase.create_callback("luatexja.define_jfont", "data", function (ft, fn) return ft end)
258 local identifiers = fonts.hashes.identifiers
260 local j = load_jfont_metric(jfm_dir)
261 local fn = font.id(cstemp)
262 local f = font_getfont(fn)
264 ltjb.package_error('luatexja',
265 "bad JFM `" .. jfm_file_name .. "'",
266 'The JFM file you specified is not valid JFM file.\n'..
267 'So defining Japanese font is cancelled.')
268 tex.sprint(cat_lp, global_flag, '\\expandafter\\let\\csname ',
269 (cstemp==' ') and '\\space' or cstemp,
270 '\\endcsname=\\relax')
273 update_jfm_cache(j, f.size)
274 local ad = identifiers[fn].parameters
275 local sz = metrics[j].size_cache[f.size]
276 local fmtable = { jfm = j, size = f.size, var = jfm_var,
277 zw = sz.zw, zh = sz.zh,
278 ascent = ad.ascender,
279 descent = ad.descender,
280 chars = sz.chars, char_type = sz.char_type,
281 kanjiskip = sz.kanjiskip, xkanjiskip = sz.xkanjiskip,
283 vert_activated = is_vert_enabled,
286 fmtable = luatexbase.call_callback("luatexja.define_jfont", fmtable, fn)
287 font_metric_table[fn]=fmtable
288 tex.sprint(cat_lp, global_flag, '\\protected\\expandafter\\def\\csname ',
289 (cstemp==' ') and '\\space' or cstemp, '\\endcsname{\\ltj@cur'..
290 (jfm_dir == 'yoko' and 'j' or 't') .. 'fnt', fn, '\\relax}')
295 local get_dir_count = ltjd.get_dir_count
296 local dir_tate = luatexja.dir_table.dir_tate
297 local tex_get_attr = tex.getattribute
300 local a = font_metric_table[
301 tex_get_attr((get_dir_count()==dir_tate) and attr_curtfnt or attr_curjfnt)]
302 return a and a.zw or 0
305 local a = font_metric_table[
306 tex_get_attr((get_dir_count()==dir_tate) and attr_curtfnt or attr_curjfnt)]
307 return a and a.zw or 0
312 -- extract jfm_file_name and jfm_var
313 -- normalize position of 'jfm=' and 'jfmvar=' keys
314 local function extract_metric(name)
315 jfm_file_name = ''; jfm_var = ''
316 local tmp, index = name:sub(1, 5), 1
317 if tmp == 'file:' or tmp == 'name:' or tmp == 'psft:' then
320 local p = name:find(":", index); index = p and (p+1) or index
322 local l = name:len()+1
323 local q = name:find(";", index+1) or l
324 if name:sub(index, index+3)=='jfm=' and q>index+4 then
325 jfm_file_name = name:sub(index+4, q-1)
327 name = name:sub(1,index-1) .. name:sub(q+1)
329 name = name:sub(1,index-1)
332 elseif name:sub(index, index+6)=='jfmvar=' and q>index+6 then
333 jfm_var = name:sub(index+7, q-1)
335 name = name:sub(1,index-1) .. name:sub(q+1)
337 name = name:sub(1,index-1)
341 index = (l~=q) and (q+1) or nil
344 if jfm_file_name~='' then
345 local l = name:sub(-1)
347 .. ((l==':' or l==';') and '' or ';')
348 .. 'jfm=' .. jfm_file_name
350 name = name .. 'jfmvar=' .. jfm_var
353 if jfm_dir == 'tate' then
354 is_vert_enabled = (not name:match('-vert')) and (not name:match('-vrt2'))
355 if not name:match('vert') and not name:match('vrt2') then
356 name = name .. ';vert;vrt2'
359 is_vert_enabled = nil
364 -- define_font callback
365 local otfl_fdr = fonts.definers.read
366 local ltjr_font_callback = ltjr.font_callback
367 function luatexja.font_callback(name, size, id)
368 local new_name = is_def_jfont and extract_metric(name) or name
370 local res = ltjr_font_callback(new_name, size, id, otfl_fdr)
371 luatexbase.call_callback('luatexja.define_font', res, new_name, size, id)
372 -- this callback processes variation selector, so we execute it always
375 luatexbase.create_callback('luatexja.define_font', 'simple', function (n) return n end)
376 luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
379 ------------------------------------------------------------------------
381 ------------------------------------------------------------------------
383 -- these function are called from ltj-latex.sty
384 local fenc_list, kyenc_list, ktenc_list = {}, {}, {}
385 function add_fenc_list(enc) fenc_list[enc] = 'true ' end
386 function add_kyenc_list(enc) kyenc_list[enc] = 'true ' end
387 function add_ktenc_list(enc) ktenc_list[enc] = 'true ' end
388 function is_kyenc(enc)
389 tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (kyenc_list[enc] or 'false '))
391 function is_ktenc(enc)
392 tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (ktenc_list[enc] or 'false '))
394 function is_kenc(enc)
395 tex.sprint(cat_lp, '\\let\\ifin@\\if'
396 .. (kyenc_list[enc] or ktenc_list[enc] or 'false '))
399 local kfam_list, Nkfam_list = {}, {}
400 function add_kfam(fam)
403 function search_kfam(fam, use_fd)
404 if kfam_list[fam] then
405 tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
406 elseif Nkfam_list[fam] then
407 tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
409 for i,_ in pairs(kyenc_list) do
410 if kpse.find_file(string.lower(i)..fam..'.fd') then
411 tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
414 for i,_ in pairs(ktenc_list) do
415 if kpse.find_file(string.lower(i)..fam..'.fd') then
416 tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
419 Nkfam_list[fam]=true; tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
421 tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
424 local ffam_list, Nffam_list = {}, {}
425 function is_ffam(fam)
426 tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (ffam_list[fam] or 'false '))
428 function add_ffam(fam)
429 ffam_list[fam]='true '
431 function search_ffam_declared()
433 for i,_ in pairs(fenc_list) do
434 s = s .. '\\cdp@elt{' .. i .. '}'
436 tex.sprint(cat_lp, s)
438 function search_ffam_fd(fam)
439 if Nffam_list[fam] then
440 tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
442 for i,_ in pairs(fenc_list) do
443 if kpse.find_file(string.lower(i)..fam..'.fd') then
444 tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
447 Nffam_list[fam]=true; tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
452 ------------------------------------------------------------------------
454 ------------------------------------------------------------------------
456 local alt_font_table = alt_font_table
457 local attr_curaltfnt = {}
458 local ucs_out = 0x110000
460 ------ for TeX interface
462 function set_alt_font(b,e,ind,bfnt)
463 -- ind: 新フォント, bfnt: 基底フォント
464 if b>e then b, e = e, b end
466 ltjb.package_error('luatexja',
467 'bad character range ([' .. b .. ',' .. e .. ']). ' ..
468 'I take the intersection with [0x80, 0x10ffff].')
469 b, e = math.max(0x80,b),math.min(ucs_out-1,e)
470 elseif e<0 then -- b<e<0
472 elseif b<0x80 or e>=ucs_out then
473 ltjb.package_warning('luatexja',
474 'bad character range ([' .. b .. ',' .. e .. ']). ' ..
475 'I take the intersection with [0x80, 0x10ffff].')
476 b, e = math.max(0x80,b), math.min(ucs_out-1,e)
478 if not alt_font_table[bfnt] then alt_font_table[bfnt]={} end
479 local t = alt_font_table[bfnt]
480 local ac = font_getfont(ind).characters
481 if bfnt==ind then ind = nil end -- ind == bfnt の場合はテーブルから削除
482 if e>=0 then -- character range
484 if ac[i]then t[i]=ind end
488 local tx = font_metric_table[bfnt].chars
489 for i,v in pairs(tx) do
490 if b<=v and v<=e and ac[i] then t[i]=ind end
496 function clear_alt_font(bfnt)
497 if alt_font_table[bfnt] then
498 local t = alt_font_table[bfnt]
499 for i,_ in pairs(t) do t[i]=nil; end
503 ------ used in ltjp.suppress_hyphenate_ja callback
504 function replace_altfont(pf, pc)
505 local a = alt_font_table[pf]
506 return a and a[pc] or pf
509 ------ for LaTeX interface
511 local alt_font_table_latex = {}
514 function clear_alt_font_latex(bbase)
515 local t = alt_font_table_latex[bbase]
517 for j,v in pairs(t) do t[j] = nil end
522 function set_alt_font_latex(b,e,ind,bbase)
523 -- ind: Alt font の enc/fam/ser/shape, bbase: 基底フォントの enc/fam/ser/shape
524 if b>e then b, e = e, b end
526 ltjb.package_error('luatexja',
527 'bad character range ([' .. b .. ',' .. e .. ']). ' ..
528 'I take the intersection with [0x80, 0x10ffff].')
529 b, e = math.max(0x80,b),math.min(ucs_out-1,e)
530 elseif e<0 then -- b<e<0
532 elseif b<0x80 or e>=ucs_out then
533 ltjb.package_warning('luatexja',
534 'bad character range ([' .. b .. ',' .. e .. ']). ' ..
535 'I take the intersection with [0x80, 0x10ffff].')
536 b, e = math.max(0x80,b), math.min(ucs_out-1,e)
539 if not alt_font_table_latex[bbase] then alt_font_table_latex[bbase]={} end
540 local t = alt_font_table_latex[bbase]
541 if not t[ind] then t[ind] = {} end
543 for j,v in pairs(t) do
544 if v[i] then -- remove old entry
545 if j~=ind then v[i]=nil end; break
550 -- remove the empty tables
551 for j,v in pairs(t) do
552 local flag_clear = true
553 for k,_ in pairs(v) do flag_clear = false; break end
554 if flag_clear then t[j]=nil end
556 if ind==bbase then t[bbase] = nil end
559 -- ここから先は 新 \selectfont の内部でしか実行されない
561 local alt_font_base, alt_font_base_num
564 function does_alt_set(bbase)
565 aftl_base = alt_font_table_latex[bbase]
566 tex.sprint(cat_lp, '\\if' .. (aftl_base and 'true' or 'false'))
569 function print_aftl_address()
570 tex.sprint(cat_lp, ';ltjaltfont' .. tostring(aftl_base):sub(8))
574 function output_alt_font_cmd(dir, bbase)
575 alt_font_base = bbase
577 alt_font_base_num = tex.getattribute(attr_curtfnt)
579 alt_font_base_num = tex.getattribute(attr_curjfnt)
581 local t = alt_font_table[alt_font_base_num]
583 for i,_ in pairs(t) do t[i]=nil end
585 t = alt_font_table_latex[bbase]
587 for i,_ in pairs(t) do
588 tex.sprint(cat_lp, '\\ltj@pickup@altfont@aux' .. dir .. '{' .. i .. '}')
594 function pickup_alt_font_a(size_str)
595 local t = alt_font_table_latex[alt_font_base]
597 for i,v in pairs(t) do
598 tex.sprint(cat_lp, '\\expandafter\\ltj@pickup@altfont@copy'
599 .. '\\csname ' .. i .. '/' .. size_str .. '\\endcsname{' .. i .. '}')
604 local function pickup_alt_font_class(class, afnt_num, afnt_chars)
605 local t = alt_font_table[alt_font_base_num]
606 local tx = font_metric_table[alt_font_base_num].chars
607 for i,v in pairs(tx) do
608 if v==class and afnt_chars[i] then t[i]=afnt_num end
613 function pickup_alt_font_b(afnt_num, afnt_base)
614 local t = alt_font_table[alt_font_base_num]
615 local ac = font_getfont(afnt_num).characters
616 if not t then t = {}; alt_font_table[alt_font_base_num] = t end
617 for i,v in pairs(alt_font_table_latex[alt_font_base]) do
618 if i == afnt_base then
619 for j,_ in pairs(v) do
621 if ac[j] then t[j]=afnt_num end
622 else -- -n (n>=1) means that the character class n,
623 -- which is defined in the JFM
624 pickup_alt_font_class(-j, afnt_num, ac)
633 ------------------------------------------------------------------------
635 ------------------------------------------------------------------------
637 function cleanup_size_cache()
638 --local gs, ke = 0, 0
639 for _,n in pairs(metrics) do
640 for i,t in pairs(n.size_cache) do
641 for _,v in pairs(t.char_type) do
642 for k,w in pairs(v) do
643 if type(k)=='number' then
644 --if w[1] then gs = gs + 1 else ke = ke + 1 end
652 --print('glue spec: ', gs, 'kern: ', ke)
656 ------------------------------------------------------------------------
658 ------------------------------------------------------------------------
660 local font_extra_info = font_extra_info -- key: fontnumber
661 local font_extra_basename = {} -- key: basename
663 -- IVS and vertical metrics
664 local prepare_fl_data
665 local supply_vkern_table
667 local fields = fontloader.fields
668 local function glyph_vmetric(glyph)
669 local flds = fields(glyph)
670 local vw, tsb, vk = nil, nil, nil
671 for _,i in ipairs(flds) do
672 if i=='vwidth' then vw = glyph.vwidth end
673 if i=='tsidebearing' then tsb = glyph.tsidebearing end
674 if i=='vkerns' then vk = glyph.vkerns end
679 local sort = table.sort
680 local function add_fl_table(dest, glyphs, unitable, asc_des, units)
681 local tg, glyphmin, glyphmax = glyphs.glyphs, glyphs.glyphmin or 0, glyphs.glyphmax
682 for i = glyphmin, glyphmax-1 do
686 for _,at in pairs(gv.altuni) do
687 local bu, vsel = at.unicode, at.variant
689 if vsel>=0xE0100 then vsel = vsel - 0xE0100 end
690 dest = dest or {}; dest[bu] = dest[bu] or {}
691 local uniq_flag = true
692 for i,_ in pairs(dest[bu]) do
693 if i==vs then uniq_flag = false; break end
696 dest[bu][vsel] = unitable[gv.name]
702 local vw, tsb, vk = glyph_vmetric(gv)
703 local gi = unitable[gv.name]
704 if gi and vw and vw~=asc_des then
705 -- We do not use tsidebearing, since (1) fontloader does not read VORG table
706 -- and (2) 'tsidebearing' doea not appear in the returned table by fontloader.fields.
707 -- Hence, we assume that vertical origin == ascender
708 -- (see capsule_glyph_tate in ltj-setwidth.lua)
709 dest = dest or {}; dest[gi] = dest[gi] or {}
710 dest[gi].vwidth = vw/units
715 local dest_vk = dest.vkerns or {}; dest.vkerns = dest_vk
716 for _,v in pairs(vk) do
717 if unitable[v.char] then
719 if type(vl)=='table' then
720 for _,vlt in pairs(vl) do
721 dest_vk[vlt] = dest_vk[vlt] or {}
722 dest_vk[vlt][gi] = dest_vk[vlt][gi] or {}
723 dest_vk[vlt][gi][unitable[v.char]] = v.off
726 dest_vk[vl] = dest_vk[vl] or {}
727 dest_vk[vl][gi] = dest_vk[vl][gi] or {}
728 dest_vk[vl][gi][unitable[v.char]] = v.off
737 prepare_fl_data = function (dest, id)
738 local fl = fontloader.open(id.filename)
739 local unicodes = id.resources.unicodes
741 dest = add_fl_table(dest, fl, unicodes,
742 fl.ascent + fl.descent, fl.units_per_em)
745 for _,v in pairs(fl.subfonts) do
746 dest = add_fl_table(dest, v, unicodes,
747 fl.ascent + fl.descent, fl.units_per_em)
750 fontloader.close(fl); collectgarbage("collect")
753 -- supply vkern table
754 supply_vkern_table = function(id, bname)
755 local bx = font_extra_basename[bname].vkerns
756 local lookuphash = id.resources.lookuphash
757 local desc = id.shared.rawdata.descriptions
759 for i,v in pairs(bx) do
760 lookuphash[i] = lookuphash[i] or v
761 for j,w in pairs(v) do
762 desc[j].kerns = desc[j].kerns or {}
773 local checksum = file.checksum
775 local function prepare_extra_data_base(id)
776 if not id then return end
777 local bname = file.nameonly(id.filename or '')
778 if not font_extra_basename[bname] then
779 -- if the cache is present, read it
780 local newsum = checksum(id.filename) -- MD5 checksum of the fontfile
781 local v = "extra_" .. string.lower(file.nameonly(id.filename))
782 local dat = ltjb.load_cache(
784 function (t) return (t.version~=cache_ver) or (t.chksum~=newsum) end
786 -- if the cache is not found or outdated, save the cache
788 font_extra_basename[bname] = dat[1] or {}
791 dat = prepare_fl_data(dat, id)
792 font_extra_basename[bname] = dat or {}
795 chksum = checksum(id.filename),
803 local function prepare_extra_data_font(id, res)
804 if type(res)=='table' and res.shared then
805 font_extra_info[id] = font_extra_basename[file.nameonly(res.filename)]
808 luatexbase.add_to_callback(
809 'luaotfload.patch_font',
811 -- these function is executed one time per one fontfile
812 local bname = prepare_extra_data_base(tfmdata)
813 if bname then supply_vkern_table(tfmdata, bname) end
816 'ltj.prepare_extra_data', 1)
817 luatexbase.add_to_callback(
818 'luatexja.define_font',
819 function (res, name, size, id)
820 prepare_extra_data_font(id, res)
822 'ltj.prepare_extra_data', 1)
824 local nulltable = {} -- dummy
825 ltjr.vert_addfunc = function (n) font_extra_info[n] = nulltable end
827 local identifiers = fonts.hashes.identifiers
828 for i=1,font.nextid()-1 do
829 if identifiers[i] then
830 prepare_extra_data_base(identifiers[i])
831 prepare_extra_data_font(i,identifiers[i])
837 ------------------------------------------------------------------------
838 -- calculate vadvance
839 ------------------------------------------------------------------------
841 local function acc_feature(table_vadv, table_vorg, subtables, ft, already_vert)
842 for char_num,v in pairs(ft.shared.rawdata.descriptions) do
844 for sn, sv in pairs(v.slookups) do
845 if subtables[sn] and type(sv)=='table' then
848 = (table_vadv[char_num] or 0) + sv[4]
850 if sv[2]~=0 and not already_vert then
852 = (table_vorg[char_num] or 0) + sv[2]
860 luatexbase.add_to_callback(
861 "luatexja.define_jfont",
862 function (fmtable, fnum)
863 local vadv = {}; fmtable.v_advance = vadv
864 local vorg = {}; fmtable.v_origin = vorg
865 local ft = font_getfont(fnum)
867 if ft.specification then
868 for feat_name,v in pairs(ft.specification.features.normal) do
870 for _,i in pairs(ft.resources.sequences) do
871 if i.order[1]== feat_name and i.type == 'gpos_single' then
872 for _,st in pairs(i.subtables) do
879 acc_feature(vadv, vorg, subtables, ft,
880 ft.specification.features.normal.vrt2 or ft.specification.features.normal.vert)
881 for i,v in pairs(vadv) do
882 vadv[i]=vadv[i]/ft.units_per_em*fmtable.size
884 for i,v in pairs(vorg) do
885 vorg[i]=vorg[i]/ft.units_per_em*fmtable.size
889 end, 1, 'ltj.v_advance'
893 ------------------------------------------------------------------------
894 -- supply tounicode entries
895 ------------------------------------------------------------------------
897 local ltjr_prepare_cid_font = ltjr.prepare_cid_font
898 luatexbase.add_to_callback(
899 'luaotfload.patch_font',
901 if tfmdata.cidinfo then
902 local rd = ltjr_prepare_cid_font(tfmdata.cidinfo.registry, tfmdata.cidinfo.ordering)
904 local ru, rc = rd.resources.unicodes, rd.characters
905 for i,v in pairs(tfmdata.characters) do
906 local w = ru["Japan1." .. tostring(v.index)]
908 v.tounicode = v.tounicode or rc[w]. tounicode
916 'ltj.supply_tounicode', 1)
920 ------------------------------------------------------------------------
922 ------------------------------------------------------------------------
924 local getfont = (Dnode ~= node) and Dnode.getfont or function(n) return n.font end
925 local getchar = (Dnode ~= node) and Dnode.getchar or function(n) return n.char end
926 local get_dir_count = ltjd.get_dir_count
927 local is_ucs_in_japanese_char = ltjc.is_ucs_in_japanese_char_direct
928 local ensure_tex_attr = ltjb.ensure_tex_attr
929 local node_write = Dnode.write
931 local ITALIC = luatexja.icflag_table.ITALIC
932 -- EXT: italic correction
933 function append_italic()
934 local p = to_direct(tex.nest[tex.nest.ptr].tail)
935 local TEMP = node_new(id_kern)
936 if p and getid(p)==id_glyph then
937 if is_ucs_in_japanese_char(p) then
938 local j = font_metric_table[
939 has_attr(p, (get_dir_count()==dir_tate) and attr_curtfnt or attr_curjfnt)
941 local g = node_new(id_kern)
942 setfield(g, 'subtype', 1); set_attr(g, attr_icflag, ITALIC)
943 setfield(g, 'kern', j.char_type[find_char_class(getchar(p), j)].italic)
944 node_write(g); ensure_tex_attr(attr_icflag, 0)
947 local h = font_getfont(f) or font.fonts[f]
949 local g = node_new(id_kern)
950 setfield(g, 'subtype', 1); set_attr(g, attr_icflag, ITALIC)
951 setfield(g, 'kern', h.characters[getchar(p)].italic)
952 node_write(g); ensure_tex_attr(attr_icflag, 0)
960 ------------------------------------------------------------------------
961 -- VERT VARIANT TABLE
962 ------------------------------------------------------------------------
964 [0x2013]=0xFE32, [0x2014]=0xFE31, [0x2025]=0xFE30,
965 [0xFF08]=0xFE35, [0xFF09]=0xFE36, [0xFF5B]=0xFE37, [0xFF5D]=0xFE38,
966 [0x3014]=0xFE39, [0x3015]=0xFE3A, [0x3010]=0xFE3B, [0x3011]=0xFE3C,
967 [0x300A]=0xFE3D, [0x300B]=0xFE3E, [0x3008]=0xFE3F, [0x3009]=0xFE40,
968 [0x300C]=0xFE41, [0x300D]=0xFE42, [0x300E]=0xFE43, [0x300F]=0xFE44,
969 [0xFF3B]=0xFE47, [0xFF3D]=0xFE48, [0xFF3F]=0xFE33,
971 setmetatable(vert_form_table, {__index=function(t,k) return k end});