--
--- luatexja/jfont.lua
+-- ltj-jfont.lua
--
luatexbase.provides_module({
name = 'luatexja.jfont',
- date = '2019/08/27',
+ date = '2020-04-01',
description = 'Loader for Japanese fonts',
})
+luatexja.load_module('lotf_aux'); local ltju = luatexja.lotf_aux
luatexja.load_module('base'); local ltjb = luatexja.base
luatexja.load_module('charrange'); local ltjc = luatexja.charrange
luatexja.load_module('rmlgbm'); local ltjr = luatexja.rmlgbm
luatexja.load_module('direction'); local ltjd = luatexja.direction
-luatexja.load_module('lotf_aux'); local ltju = luatexja.lotf_aux
local setfield = node.direct.setfield
local getid = node.direct.getid
-- LOADING JFM
------------------------------------------------------------------------
-local metrics={} -- this table stores all metric informations
-local font_metric_table={} -- [font number] -> jfm_name, jfm_var, size
+local metrics = {} -- this table stores all metric informations
+local font_metric_table = ltju.font_metric_table -- [font number] -> jfm_name, jfm_var, size
luatexbase.create_callback("luatexja.load_jfm", "data", function (ft, jn) return ft end)
if type(v.down)~='number' then
v.down = 0.0
end
+ v.round_threshold = ((t.version>=3)and(i==0)and(type(v.round_threshold)=='number'))
+ and v.round_threshold or nil
if t.version>=2 then
if v.end_stretch then defjfm_res= nil; return end
if v.end_shrink then defjfm_res= nil; return end
width = w[1], stretch = w[2], shrink = w[3],
kanjiskip_natural = w.kanjiskip_natural and w.kanjiskip_natural/sz,
kanjiskip_stretch = w.kanjiskip_stretch and w.kanjiskip_stretch/sz,
- kanjiskip_shrink = w.kanjiskip_shrink and w.kanjiskip_shrink/sz,
+ kanjiskip_shrink = w.kanjiskip_shrink and w.kanjiskip_shrink/sz,
+ round_threshold = w.round_threshold and w.round_threshold/zw,
}
end
for k,w in pairs(v.kern) do
local fmtable = { jfm = j, size = f.size, var = jfm_var,
with_kanjiskip = jfm_ksp,
zw = sz.zw, zh = sz.zh,
- chars = sz.chars, char_type = sz.char_type,
+ chars = sz.chars, char_type = sz.char_type,
kanjiskip = sz.kanjiskip, xkanjiskip = sz.xkanjiskip,
chars_cbcache = {},
vert_activated = vert_activated,
otfl_fdr= luatexbase.remove_from_callback('define_font', 'luaotfload.define_font')
luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
- local match, sp = string.match, tex.sp
- local function load_jfmonly(spec, dir)
- local spec, size = match(spec,'(.+)%s+at%s*([%.%w]*)')
+ local match, sp, scan_arg = string.match, tex.sp, token.scan_argument
+ local function load_jfmonly()
+ local spec, size = match(scan_arg(), '(.+)%s+at%s*([%.%w]*)')
+ local dir = scan_arg()
size = sp(size); extract_metric(spec)
jfm_dir = dir
local i = load_jfont_metric()
local j = -update_jfm_cache(i, size)
- font_metric_table[j]=metrics[i].size_cache[s]
+ font_metric_table[j]=metrics[i].size_cache[size]
tex.sprint(cat_lp, '\\ltj@cur' .. (dir=='yoko' and 'j' or 't') .. 'fnt' .. tostring(j) .. '\\relax')
end
luatexja.jfont.load_jfmonly = load_jfmonly
-- LATEX INTERFACE
------------------------------------------------------------------------
do
+ local scan_arg = token.scan_argument
-- these function are called from ltj-latex.sty
local fenc_list, kyenc_list, ktenc_list = {}, {}, {}
- function luatexja.jfont.add_fenc_list(enc) fenc_list[enc] = 'true ' end
- function luatexja.jfont.add_kyenc_list(enc) kyenc_list[enc] = 'true ' end
- function luatexja.jfont.add_ktenc_list(enc) ktenc_list[enc] = 'true ' end
- function luatexja.jfont.is_kyenc(enc)
- tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (kyenc_list[enc] or 'false '))
+ function luatexja.jfont.add_fenc_list() fenc_list[scan_arg()] = 'true ' end
+ function luatexja.jfont.add_kyenc_list() kyenc_list[scan_arg()] = 'true ' end
+ function luatexja.jfont.add_ktenc_list() ktenc_list[scan_arg()] = 'true ' end
+ function luatexja.jfont.is_kyenc()
+ tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (kyenc_list[scan_arg()] or 'false '))
end
- function luatexja.jfont.is_ktenc(enc)
- tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (ktenc_list[enc] or 'false '))
+ function luatexja.jfont.is_ktenc()
+ tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (ktenc_list[scan_arg()] or 'false '))
end
- function luatexja.jfont.is_kenc(enc)
+ function luatexja.jfont.is_kenc()
+ local enc = scan_arg()
tex.sprint(cat_lp, '\\let\\ifin@\\if'
.. (kyenc_list[enc] or ktenc_list[enc] or 'false '))
end
local kfam_list, Nkfam_list = {}, {}
- function luatexja.jfont.add_kfam(fam)
- kfam_list[fam]=true
+ function luatexja.jfont.add_kfam()
+ kfam_list[scan_arg()]=true
end
- function luatexja.jfont.search_kfam(fam, use_fd)
+ function luatexja.jfont.search_kfam()
+ local fam = scan_arg()
+ local use_fd = (scan_arg() =='true')
if kfam_list[fam] then
tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
elseif Nkfam_list[fam] then
end
end
local ffam_list, Nffam_list = {}, {}
- function luatexja.jfont.is_ffam(fam)
- tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (ffam_list[fam] or 'false '))
+ function luatexja.jfont.is_ffam()
+ tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (ffam_list[scan_arg()] or 'false '))
end
- function luatexja.jfont.add_ffam(fam)
- ffam_list[fam]='true '
+ function luatexja.jfont.add_ffam()
+ ffam_list[scan_arg()]='true '
end
function luatexja.jfont.search_ffam_declared()
local s = ''
end
tex.sprint(cat_lp, s)
end
- function luatexja.jfont.search_ffam_fd(fam)
+ function luatexja.jfont.search_ffam_fd()
+ local fam = scan_arg()
if Nffam_list[fam] then
tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
else
-- ここから先は 新 \selectfont の内部でしか実行されない
do
+ local scan_arg = token.scan_argument
local alt_font_base, alt_font_base_num
local aftl_base
-- EXT
- function luatexja.jfont.does_alt_set(bbase)
- aftl_base = alt_font_table_latex[bbase]
+ function luatexja.jfont.does_alt_set()
+ aftl_base = alt_font_table_latex[scan_arg()]
tex.sprint(cat_lp, aftl_base and '\\@firstofone' or '\\@gobble')
end
-- EXT
local list_rotate_glyphs
do
- -- output of function_uax50.lua
- -- UAX#50 for Unicode 12.1.0
- -- t[0] = true
+ local ceil = math.ceil
+ -- output of function_uax50.lua
+ -- UAX#50 for Unicode 12.1.0
+ -- t[0] = true
local t={ 0, 167, 168, 169, 170, 174, 175, 177, 178, 188, 191, 215, 216, 247, 248, 746, 748, 888, 890, 896, 900, 907, 908, 909, 910, 930, 931, 1328, 1329, 1367, 1369, 1419, 1421, 1424, 1425, 1480, 1488, 1515, 1519, 1525, 1536, 1565, 1566, 1806, 1807, 1867, 1869, 1970, 1984, 2043, 2045, 2094, 2096, 2111, 2112, 2140, 2142, 2143, 2144, 2155, 2208, 2229, 2230, 2238, 2259, 2436, 2437, 2445, 2447, 2449, 2451, 2473, 2474, 2481, 2482, 2483, 2486, 2490, 2492, 2501, 2503, 2505, 2507, 2511, 2519, 2520, 2524, 2526, 2527, 2532, 2534, 2559, 2561, 2564, 2565, 2571, 2575, 2577, 2579, 2601, 2602, 2609, 2610, 2612, 2613, 2615, 2616, 2618, 2620, 2621, 2622, 2627, 2631, 2633, 2635, 2638, 2641, 2642, 2649, 2653, 2654, 2655, 2662, 2679, 2689, 2692, 2693, 2702, 2703, 2706, 2707, 2729, 2730, 2737, 2738, 2740, 2741, 2746, 2748, 2758, 2759, 2762, 2763, 2766, 2768, 2769, 2784, 2788, 2790, 2802, 2809, 2816, 2817, 2820, 2821, 2829, 2831, 2833, 2835, 2857, 2858, 2865, 2866, 2868, 2869, 2874, 2876, 2885, 2887, 2889, 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8182, 8191, 8192, 8214, 8215, 8224, 8226, 8240, 8242, 8251, 8253, 8258, 8259, 8263, 8266, 8273, 8274, 8293, 8294, 8306, 8308, 8335, 8336, 8349, 8352, 8384, 8400, 8413, 8417, 8418, 8421, 8433, 8450, 8451, 8458, 8463, 8464, 8467, 8469, 8470, 8472, 8478, 8484, 8485, 8486, 8487, 8488, 8489, 8490, 8494, 8495, 8501, 8512, 8517, 8523, 8524, 8526, 8527, 8586, 8588, 8592, 8734, 8735, 8756, 8758, 8960, 8968, 8972, 8992, 8996, 9001, 9003, 9004, 9085, 9115, 9150, 9166, 9167, 9168, 9169, 9180, 9186, 9251, 9252, 9472, 9632, 9754, 9760, 10088, 10102, 10132, 11026, 11056, 11088, 11098, 11124, 11126, 11158, 11160, 11192, 11218, 11219, 11244, 11248, 11264, 11311, 11312, 11359, 11360, 11508, 11513, 11558, 11559, 11560, 11565, 11566, 11568, 11624, 11631, 11633, 11647, 11671, 11680, 11687, 11688, 11695, 11696, 11703, 11704, 11711, 11712, 11719, 11720, 11727, 11728, 11735, 11736, 11743, 11744, 11856, 12296, 12306, 12308, 12320, 12336, 12337, 12448, 12449, 12540, 12541, 42192, 42540, 42560, 42744, 42752, 42944, 42946, 42951, 42999, 43052, 43056, 43066, 43072, 43128, 43136, 43206, 43214, 43226, 43232, 43348, 43359, 43360, 43392, 43470, 43471, 43482, 43486, 43519, 43520, 43575, 43584, 43598, 43600, 43610, 43612, 43715, 43739, 43767, 43777, 43783, 43785, 43791, 43793, 43799, 43808, 43815, 43816, 43823, 43824, 43880, 43888, 44014, 44016, 44026, 55296, 57344, 64256, 64263, 64275, 64280, 64285, 64311, 64312, 64317, 64318, 64319, 64320, 64322, 64323, 64325, 64326, 64450, 64467, 64832, 64848, 64912, 64914, 64968, 65008, 65022, 65024, 65040, 65056, 65072, 65097, 65104, 65112, 65119, 65123, 65127, 65136, 65141, 65142, 65277, 65279, 65280, 65288, 65290, 65293, 65294, 65306, 65311, 65339, 65340, 65341, 65342, 65343, 65344, 65371, 65471, 65474, 65480, 65482, 65488, 65490, 65496, 65498, 65501, 65507, 65508, 65512, 65519, 65529, 65532, 65536, 65548, 65549, 65575, 65576, 65595, 65596, 65598, 65599, 65614, 65616, 65630, 65664, 65787, 65792, 65795, 65799, 65844, 65847, 65935, 65936, 65948, 65952, 65953, 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126503, 126504, 126505, 126515, 126516, 126520, 126521, 126522, 126523, 126524, 126530, 126531, 126535, 126536, 126537, 126538, 126539, 126540, 126541, 126544, 126545, 126547, 126548, 126549, 126551, 126552, 126553, 126554, 126555, 126556, 126557, 126558, 126559, 126560, 126561, 126563, 126564, 126565, 126567, 126571, 126572, 126579, 126580, 126584, 126585, 126589, 126590, 126591, 126592, 126602, 126603, 126620, 126625, 126628, 126629, 126634, 126635, 126652, 126704, 126706, 129024, 129036, 129040, 129096, 129104, 129114, 129120, 129160, 129168, 129198, 917505, 917506, 917536, 917632, 917760, 918000 }
- local function rotate_in_uax50(i)
- local lo, hi = 1, #t
- while lo < hi do
- local mi = math.ceil((lo+hi)/2)
- if t[mi]<=i then lo=mi else hi=mi-1 end
- end
- return lo%2==1
- end
- list_rotate_glyphs = function (dest, id)
- if id.specification and id.resources then
- local rot = {}
- for i,_ in pairs(id.characters) do
- if rotate_in_uax50(i) then rot[i] = true end
- end
- if id.resources.sequences then
- for _,i in pairs(id.resources.sequences) do
- if i.order[1]== 'vert' and i.type == 'gsub_single' and i.steps then
- for _,j in pairs(i.steps) do
- if type(j)=='table' then
- if type(j.coverage)=='table' then
- for i,_ in pairs(j.coverage) do rot[i]=nil end
- end
- end
- end
- end
- end; end
- -- コードポイントが共有されているグリフについて
- if id.resources.duplicates then
- for i,v in pairs(id.resources.duplicates) do
- local f = rot[i]
- for j,_ in pairs(v) do f = f and rot[j] end
- rot[i]=f
- for j,_ in pairs(v) do rot[j] = f end
- end; end
-
- for i,_ in pairs(rot) do
- dest = dest or {}
- dest.rotation = dest.rotation or {}
- dest.rotation[i] = true
- end
- end
- return dest
- end
-end
-
--- vertical metrics
-local prepare_fl_data
-do
- local sort = table.sort
- prepare_fl_data = function (dest, id)
- local rawdata = id.shared.rawdata
- local ascender = rawdata.metadata.ascender
- local units = id.units
- local t_vorigin, t_ind_to_uni = {}, {}
- for i,v in pairs(rawdata.descriptions) do
- t_ind_to_uni[v.index] = i
- if v.tsb then
- local j = v.boundingbox[4] + v.tsb
- if j~=ascender then t_vorigin[i]=j / units end
- end
- end
- dest = dest or {}
- dest.ind_to_uni = t_ind_to_uni
- dest.vorigin = t_vorigin -- designed size = 1.0
- return dest
- end
+ local function rotate_in_uax50(i)
+ local lo, hi = 1, #t
+ while lo < hi do
+ local mi = ceil((lo+hi)/2)
+ if t[mi]<=i then lo=mi else hi=mi-1 end
+ end
+ return lo%2==1
+ end
+ local vert_vrt2 = { vert=true, vrt2 = true }
+ local function list_rorate_dup (i, v, dest)
+ local f = dest[i]
+ if not f then
+ for j,_ in pairs(v) do if dest[j] then f=true; break end end
+ end
+ dest[i]=f; for j,_ in pairs(v) do dest[j]=f end
+ end
+ list_rotate_glyphs = function (tfmdata, dest)
+ local rot = {}
+ for i,_ in pairs(tfmdata.characters) do
+ if rotate_in_uax50(i) then rot[i] = true end
+ end
+ ltju.loop_over_feat(tfmdata, vert_vrt2, function (i,k) rot[i] = nil end)
+ -- ↓「TeX Live 2019のLuaLaTeXで縦書きの三点リーダーが横書きになる」
+ -- (https://oku.edu.mie-u.ac.jp/tex/mod/forum/discuss.php?d=2722) により無効化
+ -- -- 同じグリフが複数の Unicode ポイントを持っている場合．
+ -- -- いずれかの Unicode ポイントで rot = true ならば全体で rotate
+ --ltju.loop_over_duplicates(tfmdata,
+ -- function (i, v)
+ -- local f = rot[i]
+ -- if not f then
+ -- for j,_ in pairs(v) do if rot[j] then f=true; break end end
+ -- end
+ -- rot[i]=f; for j,_ in pairs(v) do rot[j]=f end
+ -- end)
+ for i,_ in pairs(rot) do
+ dest = dest or {}; dest.rotation = dest.rotation or {}
+ dest.rotation[i] = true
+ end
+ return dest
+ end
end
---
do
- local function prepare_extra_data_base(id)
- if (not id) or (not id.filename) then return end
- local bname = id.psname or file.nameonly(id.filename)
+ local nameonly, lower = file.nameonly, string.lower
+ local function prepare_extra_data_base(tfmdata)
+ if (not tfmdata) or (not tfmdata.filename) then return end
+ local bname = tfmdata.psname or nameonly(tfmdata.filename)
if not font_extra_basename[bname] then
- ltjb.remove_cache("extra_" .. string.lower(bname)) -- remove cache
- local dat = prepare_fl_data(dat, id)
- dat = list_rotate_glyphs(dat, id)
- font_extra_basename[bname] = dat or {}
+ ltjb.remove_cache("extra_" .. lower(bname)) -- remove cache
+ local dest = ltju.get_vmet_table(tfmdata, dest)
+ dest = list_rotate_glyphs(tfmdata, dest)
+ font_extra_basename[bname] = dest or {}
return bname
end
end
local function prepare_extra_data_font(id, res)
- if type(res)=='table' and res.shared and (res.psname or res.filename) then
- font_extra_info[id] = font_extra_basename[res.psname or file.nameonly(res.filename)]
+ if type(res)=='table' and (res.psname or res.filename) then
+ local bname = res.psname or nameonly(res.filename)
+ local t = font_extra_basename[bname]
+ if not t then bname = prepare_extra_data_base(res) end
+ font_extra_info[id] = t or font_extra_basename[bname]
end
end
luatexbase.add_to_callback(
[0x300C]=0xFE41, [0x300D]=0xFE42, [0x300E]=0xFE43, [0x300F]=0xFE44,
[0xFF3B]=0xFE47, [0xFF3D]=0xFE48,
}
- local vert_jpotf_table = {}
- local function add_vform(coverage, vform, ft, add_vert, jpotf_vert)
- if type(coverage)~='table' then return end
- for i,v in pairs(vert_form_table) do
- if not coverage[i] and ft.characters[v] then vform[i] = v end
- end
- if jpotf_vert then
- for i,v in pairs(vert_jpotf_table) do
- if ft.characters[v] then vform[i] = coverage[v] or vform[v] or v end
- end
- end
- if add_vert then -- vert feature が有効にならない場合
- for i,v in pairs(coverage) do vform[i] = vform[i] or v end
- end
- end
-
+ local vert_jpotf_table, vert_feat = {}, {vert=true}
local utfbyte, utfsub = utf.byte, utf.sub
luatexja.jfont.register_vert_replace = function(t)
for i,v in pairs(t) do
function (fmtable, fnum)
local vform = {}; fmtable.vform = vform
local t = font_getfont(fnum)
- if t.specification and t.resources then
- local add_vert = not ltju.exist_feature(fnum, 'vert') and not ltju.exist_feature(fnum, 'vrt2')
- local jpotf_vert = t.shared.features.jpotf
- -- 現在の language, script で vert もvrt2 も有効にできない場合，強制的に vert 適用
- for _,i in pairs(t.resources.sequences) do
- if i.order[1]== 'vert' and i.type == 'gsub_single' and i.steps then
- for _,j in pairs(i.steps) do
- if type(j)=='table' then
- add_vform(j.coverage,vform, t, add_vert, jpotf_vert)
- end
- end
- end
- end
+ if not t then return fmtable end
+ for i,v in pairs(vert_form_table) do
+ if t.characters[v] then vform[i] = v end
end
+ if ltju.specified_feature(fnum, 'jpotf') then
+ for i,v in pairs(vert_jpotf_table) do
+ if t.characters[v] then vform[i] = vform[v] or v end
+ end
+ end
+ if not ltju.exist_feature(fnum, 'vert') and not ltju.exist_feature(fnum, 'vrt2') then
+ -- 現在の (script, lang) で vert もvrt2 も有効にできない場合，
+ -- 全 (script,lang) の vert を強制的に適用
+ ltju.loop_over_feat(t, vert_feat, function (i,k) vform[i] = vform[i] or k end, true)
+ end
+ -- vform の中身を vert 適用結果に変える
+ ltju.loop_over_feat(t, vert_feat,
+ function (i,k)
+ for j,w in pairs(vform) do
+ if (i==j)and(w==k) then vform[j]=nil elseif w==i then vform[j] = k end
+ end
+ end)
return fmtable
end, 'ltj.get_vert_form', 1
)
luatexbase.add_to_callback(
'luaotfload.patch_font',
function (tfmdata)
- local cidinfo = tfmdata.cidinfo or tfmdata.resources.cidinfo
+ local cidinfo = tfmdata.cidinfo or (tfmdata.resource and tfmdata.resources.cidinfo)
if cidinfo and cidinfo.registry and cidinfo.ordering then
local rd = ltjr_prepare_cid_font(cidinfo.registry, cidinfo.ordering)
if rd then
- local ru, rc = rd.resources.unicodes, rd.characters
+ local ru = rd.resources.unicodes -- defined by LuaTeX-ja
+ local rc = rd.characters
for i,v in pairs(tfmdata.characters) do
- local w = ru["Japan1." .. tostring(v.index)]
+ local w = ru[cidinfo.ordering .. "." .. tostring(v.index)]
if w then
v.tounicode = v.tounicode or rc[w]. tounicode
end
local ensure_tex_attr = ltjb.ensure_tex_attr
local node_write = node.direct.write
local font = font
- local new_ic_kern
+ local new_ic_kern = function(g) return node_new(id_kern,3) end
local dir_tate = luatexja.dir_table.dir_tate
- if status.luatex_version>=89 then
- new_ic_kern = function(g) return node_new(id_kern,3) end
- else
- local ITALIC = luatexja.icflag_table.ITALIC
- new_ic_kern = function()
- local g = node_new(id_kern, 1)
- set_attr(g, attr_icflag, ITALIC)
- return g
- end
- end
-- EXT: italic correction
function luatexja.jfont.append_italic()
local p = to_direct(tex.nest[tex.nest.ptr].tail)
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