--
luatexbase.provides_module({
name = 'luatexja.jfont',
- date = '2015/02/08',
+ date = '2017/05/05',
description = 'Loader for Japanese fonts',
})
module('luatexja.jfont', package.seeall)
luatexja.load_module('rmlgbm'); local ltjr = luatexja.rmlgbm
luatexja.load_module('direction'); local ltjd = luatexja.direction
+local setfield = node.direct.setfield
+local getid = node.direct.getid
+local to_direct = node.direct.todirect
-local Dnode = node.direct or node
-
-local setfield = (Dnode ~= node) and Dnode.setfield or function(n, i, c) n[i] = c end
-local getid = (Dnode ~= node) and Dnode.getid or function(n) return n.id end
-
-local nullfunc = function(n) return n end
-local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
-
-local node_new = Dnode.new
-local node_free = Dnode.free
-local has_attr = Dnode.has_attribute
-local set_attr = Dnode.set_attribute
+local node_new = node.direct.new
+local node_free = node.direct.free
+local has_attr = node.direct.has_attribute
+local set_attr = node.direct.set_attribute
local round = tex.round
local font_getfont = font.getfont
local attr_curtfnt = luatexbase.attributes['ltj@curtfnt']
local id_glyph = node.id('glyph')
local id_kern = node.id('kern')
-local id_glue_spec = node.id('glue_spec')
-local id_glue = node.id('glue')
local cat_lp = luatexbase.catcodetables['latex-package']
local FROM_JFM = luatexja.icflag_table.FROM_JFM
-
------------------------------------------------------------------------
-- LOADING JFM
------------------------------------------------------------------------
luatexbase.create_callback("luatexja.load_jfm", "data", function (ft, jn) return ft end)
-local jfm_file_name, jfm_var
+local jfm_file_name, jfm_var, jfm_ksp
local defjfm_res
-local jfm_dir, is_def_jfont
+local jfm_dir, is_def_jfont, is_vert_enabled
+
+local function norm_val(a)
+ if (not a) or (a==0.) then
+ return nil
+ elseif a==true then
+ return 1
+ else
+ return a
+ end
+end
function define_jfm(t)
local real_char -- Does current character class have the 'real' character?
elseif type(t.zw)~='number' or type(t.zh)~='number' then
defjfm_res= nil; return
end
+ t.version = (type(t.version)=='number') and t.version or 1
t.char_type = {}; t.chars = {}
for i,v in pairs(t) do
if type(i) == 'number' then -- char_type
if not v.chars then
if i ~= 0 then defjfm_res= nil; return end
- real_char = true
else
- real_char = false
for j,w in pairs(v.chars) do
if type(w) == 'number' and w~=-1 then
- real_char = true;
elseif type(w) == 'string' and utf.len(w)==1 then
- real_char = true; w = utf.byte(w)
+ w = utf.byte(w)
elseif type(w) == 'string' and utf.len(w)==2 and utf.sub(w,2) == '*' then
- real_char = true; w = utf.byte(utf.sub(w,1,1))
+ w = utf.byte(utf.sub(w,1,1))
end
if not t.chars[w] then
t.chars[w] = i
defjfm_res= nil; return
end
end
- if type(v.align)~='string' then
- v.align = 'left' -- left
- end
- if real_char then
- if type(v.width)~='number' and v.width~='prop' then
- defjfm_res= nil; return
- else
- if v.width=='prop' and jfm_dir=='tate' then
- v.width = 1.0
- end
- if type(v.height)~='number' then
- v.height = 0.0
- end
- if type(v.depth)~='number' then
- v.depth = 0.0
- end
- if type(v.italic)~='number' then
- v.italic = 0.0
- end
- if type(v.left)~='number' then
- v.left = 0.0
- end
- if type(v.down)~='number' then
- v.down = 0.0
- end
+ v.chars = nil
+ end
+ if type(v.align)~='string' then
+ v.align = 'left' -- left
+ end
+ if type(v.width)~='number' then
+ v.width = nil
+ end
+ if type(v.height)~='number' then
+ v.height = (jfm_dir=='tate') and 0.0
+ end
+ if type(v.depth)~='number' then
+ v.depth = (jfm_dir=='tate') and 0.0
+ end
+ if type(v.italic)~='number' then
+ v.italic = 0.0
+ end
+ if type(v.left)~='number' then
+ v.left = 0.0
+ end
+ if type(v.down)~='number' then
+ v.down = 0.0
+ end
+ 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
+ if v.end_adjust then
+ if type(v.end_adjust)~='table' then
+ v.end_adjust = nil
+ elseif #(v.end_adjust)==0 then
+ v.end_adjust = nil
+ else
+ table.sort(v.end_adjust)
end
end
- v.chars = nil
+ else
+ v.end_adjust = nil
+ if v.end_stretch and v.end_stretch~=0.0 then
+ v.end_adjust = (v.end_adjust or {})
+ v.end_adjust[#(v.end_adjust)+1] = v.end_stretch
+ end
+ if v.end_shrink and v.end_ahrink~=0.0 then
+ v.end_adjust = (v.end_adjust or {})
+ v.end_adjust[#(v.end_adjust)+1] = -v.end_shrink
+ end
+ if v.end_adjust then v.end_adjust[#(v.end_adjust)+1] = 0.0 end
end
v.kern = v.kern or {}; v.glue = v.glue or {}
- for j in pairs(v.glue) do
+ for j,x in pairs(v.glue) do
if v.kern[j] then defjfm_res= nil; return end
+ x.ratio, x[5] = (x.ratio or (x[5] and 0.5*(1+x[5]) or 0.5)), nil
+ do
+ local xp
+ xp, x[4] = (x.priority or x[4]), nil
+ if type(xp)=='table' and t.version>=2 then
+ if type(xp[1])~='number' or xp[1]<-4 or xp[1]>3 then defjfm_res=nil end -- stretch
+ if type(xp[2])~='number' or xp[2]<-4 or xp[2]>3 then defjfm_res=nil end -- shrink
+ xp = (xp[1]+4)*8+(xp[2]+4)
+ elseif xp and type(xp)~='number' then
+ defjfm_res = nil
+ else
+ xp = (xp or 0)*9+36
+ if xp<0 or xp>=64 then defjfm_res=nil end
+ end
+ x.priority = xp
+ end
+ x.kanjiskip_natural = norm_val(x.kanjiskip_natural)
+ x.kanjiskip_stretch = norm_val(x.kanjiskip_stretch)
+ x.kanjiskip_shrink = norm_val(x.kanjiskip_shrink)
end
for j,x in pairs(v.kern) do
if type(x)=='number' then
- v.kern[j] = {x, 0}
+ v.kern[j] = {x, 0.5}
elseif type(x)=='table' then
- v.kern[j] = {x[1], x[2] or 0}
+ v.kern[j] = { x[1], (x.ratio or (x[2] and 0.5*(1+x[2]) or 0.5)) }
end
end
t.char_type[i] = v
return new
else return nil end
end
-
update_jfm_cache = function (j,sz)
if metrics[j].size_cache[sz] then return end
- --local TEMP = node_new(id_kern)
local t = {}
metrics[j].size_cache[sz] = t
t.chars = metrics[j].chars
((v.align=='right') and 1 or 0.5)
if type(i) == 'number' then -- char_type
for k,w in pairs(v.glue) do
- local h = node_new(id_glue_spec)
- v[k] = {true, h, (w[5] and w[5]/sz or 0), FROM_JFM + (w[4] and w[4]/sz or 0)}
- setfield(h, 'width', w[1])
- setfield(h, 'stretch', w[2])
- setfield(h, 'shrink', w[3])
- setfield(h, 'stretch_order', 0)
- setfield(h, 'shrink_order', 0)
+ v[k] = {
+ nil,
+ ratio=w.ratio/sz,
+ priority=FROM_JFM + w.priority/sz,
+ 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,
+ }
end
for k,w in pairs(v.kern) do
- local g = node_new(id_kern)
+ local g = node_new(id_kern, 1)
setfield(g, 'kern', w[1])
- setfield(g, 'subtype', 1)
set_attr(g, attr_icflag, FROM_JFM)
- v[k] = {false, g, w[2]/sz}
+ v[k] = {g, ratio=w[2]/sz}
end
end
v.glue, v.kern = nil, nil
t.zw = round(metrics[j].zw*sz)
t.zh = round(metrics[j].zh*sz)
t.size = sz
- --node_free(TEMP)
end
end
end
-- EXT
- function jfontdefX(g, dir)
+ local utf8 = unicode.utf8
+ function jfontdefX(g, dir, csname)
jfm_dir, is_def_jfont = dir, true
- local t = token.get_next()
- cstemp=token.csname_name(t)
+ cstemp = csname:sub( (utf8.byte(csname,1,1) == tex.escapechar) and 2 or 1, -1)
+ cstemp = cstemp:sub(1, ((cstemp:sub(-1,-1)==' ') and (cstemp:len()>=2)) and -2 or -1)
global_flag = g and '\\global' or ''
- tex.sprint(cat_lp, '\\expandafter\\font\\csname ', cstemp, '\\endcsname')
+ tex.sprint(cat_lp, '\\expandafter\\font\\csname ',
+ (cstemp==' ') and '\\space' or cstemp, '\\endcsname')
end
luatexbase.create_callback("luatexja.define_jfont", "data", function (ft, fn) return ft end)
"bad JFM `" .. jfm_file_name .. "'",
'The JFM file you specified is not valid JFM file.\n'..
'So defining Japanese font is cancelled.')
- tex.sprint(cat_lp, global_flag, '\\expandafter\\let\\csname ', cstemp,
+ tex.sprint(cat_lp, global_flag, '\\expandafter\\let\\csname ',
+ (cstemp==' ') and '\\space' or cstemp,
'\\endcsname=\\relax')
return
end
+ if not f then return end
update_jfm_cache(j, f.size)
local ad = identifiers[fn].parameters
local sz = metrics[j].size_cache[f.size]
local fmtable = { jfm = j, size = f.size, var = jfm_var,
+ with_kanjiskip = jfm_ksp,
zw = sz.zw, zh = sz.zh,
ascent = ad.ascender,
descent = ad.descender,
chars = sz.chars, char_type = sz.char_type,
kanjiskip = sz.kanjiskip, xkanjiskip = sz.xkanjiskip,
chars_cbcache = {},
+ vert_activated = is_vert_enabled,
}
fmtable = luatexbase.call_callback("luatexja.define_jfont", fmtable, fn)
font_metric_table[fn]=fmtable
tex.sprint(cat_lp, global_flag, '\\protected\\expandafter\\def\\csname ',
- cstemp , '\\endcsname{\\ltj@cur'..
+ (cstemp==' ') and '\\space' or cstemp, '\\endcsname{\\ltj@cur'..
(jfm_dir == 'yoko' and 'j' or 't') .. 'fnt', fn, '\\relax}')
end
end
-- extract jfm_file_name and jfm_var
-- normalize position of 'jfm=' and 'jfmvar=' keys
local function extract_metric(name)
- jfm_file_name = ''; jfm_var = ''
+ local is_braced = name:match('^{(.*)}$')
+ name= is_braced or name
+ jfm_file_name = ''; jfm_var = ''; jfm_ksp = true
local tmp, index = name:sub(1, 5), 1
if tmp == 'file:' or tmp == 'name:' or tmp == 'psft:' then
index = 6
name = name .. 'jfmvar=' .. jfm_var
end
end
+ for x in string.gmatch (name, "[:;]([+%%-]?)ltjks") do
+ jfm_ksp = not (x=='-')
+ end
if jfm_dir == 'tate' then
+ is_vert_enabled = (not name:match('[:;]%-vert')) and (not name:match('[:;]%-vrt2'))
if not name:match('vert') and not name:match('vrt2') then
- name = name .. ';vert;vrt2'
+ name = name .. ';+vert;+vrt2'
end
+ else
+ is_vert_enabled = nil
end
- return name
+ return is_braced and ('{' .. name .. '}') or name
end
-- define_font callback
- local otfl_fdr = fonts.definers.read
+ local otfl_fdr
local ltjr_font_callback = ltjr.font_callback
function luatexja.font_callback(name, size, id)
local new_name = is_def_jfont and extract_metric(name) or name
return res
end
luatexbase.create_callback('luatexja.define_font', 'simple', function (n) return n end)
+ otfl_fdr= luatexbase.remove_from_callback('define_font', 'luaotfload.define_font')
luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
end
------------------------------------------------------------------------
do
-- these function are called from ltj-latex.sty
- local kyenc_list, ktenc_list = {}, {}
+ local fenc_list, kyenc_list, ktenc_list = {}, {}, {}
+ function add_fenc_list(enc) fenc_list[enc] = 'true ' end
function add_kyenc_list(enc) kyenc_list[enc] = 'true ' end
function add_ktenc_list(enc) ktenc_list[enc] = 'true ' end
function is_kyenc(enc)
end
local kfam_list, Nkfam_list = {}, {}
- function add_kfam_list(enc, fam)
- if not kfam_list[enc] then kfam_list[enc] = {} end
- kfam_list[enc][fam] = 'true '
+ function add_kfam(fam)
+ kfam_list[fam]=true
end
- function add_Nkfam_list(enc, fam)
- if not Nkfam_list[enc] then Nkfam_list[enc] = {} end
- Nkfam_list[enc][fam] = 'true '
+ function search_kfam(fam, use_fd)
+ if kfam_list[fam] then
+ tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
+ elseif Nkfam_list[fam] then
+ tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
+ elseif use_fd then
+ for i,_ in pairs(kyenc_list) do
+ if kpse.find_file(string.lower(i)..fam..'.fd') then
+ tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
+ end
+ end
+ for i,_ in pairs(ktenc_list) do
+ if kpse.find_file(string.lower(i)..fam..'.fd') then
+ tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
+ end
+ end
+ Nkfam_list[fam]=true; tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
+ else
+ tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
+ end
end
- function is_kfam(enc, fam)
- tex.sprint(cat_lp, '\\let\\ifin@\\if'
- .. (kfam_list[enc] and kfam_list[enc][fam] or 'false ')) end
- function is_Nkfam(enc, fam)
- tex.sprint(cat_lp, '\\let\\ifin@\\if'
- .. (Nkfam_list[enc] and Nkfam_list[enc][fam] or 'false ')) end
-
local ffam_list, Nffam_list = {}, {}
- function add_ffam_list(enc, fam)
- if not ffam_list[enc] then ffam_list[enc] = {} end
- ffam_list[enc][fam] = 'true '
+ function is_ffam(fam)
+ tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (ffam_list[fam] or 'false '))
end
- function add_Nffam_list(enc, fam)
- if not Nffam_list[enc] then Nffam_list[enc] = {} end
- Nffam_list[enc][fam] = 'true '
+ function add_ffam(fam)
+ ffam_list[fam]='true '
end
- function is_ffam(enc, fam)
- tex.sprint(cat_lp, '\\let\\ifin@\\if'
- .. (ffam_list[enc] and ffam_list[enc][fam] or 'false ')) end
- function is_Nffam(enc, fam)
- tex.sprint(cat_lp, '\\let\\ifin@\\if'
- .. (Nffam_list[enc] and Nffam_list[enc][fam] or 'false ')) end
+ function search_ffam_declared()
+ local s = ''
+ for i,_ in pairs(fenc_list) do
+ s = s .. '\\cdp@elt{' .. i .. '}'
+ end
+ tex.sprint(cat_lp, s)
+ end
+ function search_ffam_fd(fam)
+ if Nffam_list[fam] then
+ tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
+ else
+ for i,_ in pairs(fenc_list) do
+ if kpse.find_file(string.lower(i)..fam..'.fd') then
+ tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
+ end
+ end
+ Nffam_list[fam]=true; tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
+ end
+ end
+
end
------------------------------------------------------------------------
-- ALTERNATE FONTS
for k,w in pairs(v) do
if type(k)=='number' then
--if w[1] then gs = gs + 1 else ke = ke + 1 end
- node_free(w[2])
+ if w[1] then node_free(w[1]) end
end
end
end
n.size_cache[i]=nil
end
end
- --print('glue spec: ', gs, 'kern: ', ke)
end
end
------------------------------------------------------------------------
+-- VERT VARIANT TABLE
+------------------------------------------------------------------------
+local vert_form_table = {
+ [0x2013]=0xFE32, [0x2014]=0xFE31, [0x2025]=0xFE30,
+ [0xFF08]=0xFE35, [0xFF09]=0xFE36, [0xFF5B]=0xFE37, [0xFF5D]=0xFE38,
+ [0x3014]=0xFE39, [0x3015]=0xFE3A, [0x3010]=0xFE3B, [0x3011]=0xFE3C,
+ [0x300A]=0xFE3D, [0x300B]=0xFE3E, [0x3008]=0xFE3F, [0x3009]=0xFE40,
+ [0x300C]=0xFE41, [0x300D]=0xFE42, [0x300E]=0xFE43, [0x300F]=0xFE44,
+ [0xFF3B]=0xFE47, [0xFF3D]=0xFE48, [0xFF3F]=0xFE33,
+}
+
+------------------------------------------------------------------------
-- 追加のフォント情報
------------------------------------------------------------------------
font_extra_info = {}
end
local sort = table.sort
- local function add_fl_table(dest, tg, unitable, glyphmax, asc_des, units)
- for i = 0, glyphmax-1 do
+ local function add_fl_table(dest, glyphs, unitable, asc_des, units, id)
+ local glyphmin, glyphmax = glyphs.glyphmin, glyphs.glyphmax
+ if glyphmax < 0 then return dest end
+ local tg = glyphs.glyphs
+ for i = glyphmin, glyphmax do
local gv = tg[i]
if gv then
if gv.altuni then
local bu, vsel = at.unicode, at.variant
if vsel then
if vsel>=0xE0100 then vsel = vsel - 0xE0100 end
- dest = dest or {}; dest[bu] = dest[bu] or {}
local uniq_flag = true
- for i,_ in pairs(dest[bu]) do
- if i==vs then uniq_flag = false; break end
- end
+ if dest and dest[bu] then
+ for i,_ in pairs(dest[bu]) do
+ if i==vsel then uniq_flag = false; break end
+ end
+ end
if uniq_flag then
+ dest = dest or {}; dest[bu] = dest[bu] or {}
dest[bu][vsel] = unitable[gv.name]
end
end
end
end
+ -- vertical form
+ local gi = unitable[gv.name]
+ if gi then
+ if unitable[gv.name .. '.vert'] then
+ dest = dest or {}; dest[gi] = dest[gi] or {};
+ dest[gi].vform = unitable[gv.name .. '.vert']
+ elseif id.characters[gi] and vert_form_table[gi] then
+ dest = dest or {}; dest[gi] = dest[gi] or {};
+ dest[gi].vform = vert_form_table[gi]
+ end
+ end
-- vertical metric
local vw, tsb, vk = glyph_vmetric(gv)
local gi = unitable[gv.name]
return dest
end
prepare_fl_data = function (dest, id)
- local fl = fontloader.open(id.filename)
- local unicodes = id.resources.unicodes
+ local t = fontloader.info(id.filename)
+ local fl
+ if t.filename then
+ fl = fontloader.open(id.filename)
+ else
+ fl = fontloader.open(id.filename, id.fullname)
+ end
+ local ind_to_uni, unicodes = {}, {}
+ for i,v in pairs(id.characters) do
+ ind_to_uni[v.index] = i
+ end
if fl.glyphs then
- dest = add_fl_table(dest, fl.glyphs, id.resources.unicodes, fl.glyphmax,
- fl.ascent + fl.descent, fl.units_per_em)
+ local tg, glyphmin, glyphmax = fl.glyphs, fl.glyphmin, fl.glyphmax
+ if 0 <= glyphmax then
+ for i = glyphmin, glyphmax do
+ if tg[i] and tg[i].name then unicodes[tg[i].name] = ind_to_uni[i] end
+ end
+ end
+ dest = add_fl_table(dest, fl, unicodes,
+ fl.ascent + fl.descent, fl.units_per_em, id)
end
if fl.subfonts then
for _,v in pairs(fl.subfonts) do
- dest = add_fl_table(dest, v.glyphs, id.resources.unicodes, v.glyphmax,
- fl.ascent + fl.descent, fl.units_per_em)
+ local tg, glyphmin, glyphmax = v.glyphs, v.glyphmin, v.glyphmax
+ if 0 <= glyphmax then
+ for i = glyphmin, glyphmax do
+ if tg[i] and tg[i].name then unicodes[tg[i].name] = ind_to_uni[i] end
+ end
+ end
+ end
+ for _,v in pairs(fl.subfonts) do
+ dest = add_fl_table(dest, v, unicodes,
+ fl.ascent + fl.descent, fl.units_per_em, id)
end
- end
- fontloader.close(fl); collectgarbage("collect")
- return dest
+ end
+ if dest then dest.unicodes = unicodes end
+ fontloader.close(fl); collectgarbage("collect")
+ return dest
end
-- supply vkern table
supply_vkern_table = function(id, bname)
local bx = font_extra_basename[bname].vkerns
local lookuphash = id.resources.lookuphash
local desc = id.shared.rawdata.descriptions
- if bx then
+ if bx and lookuphash then
for i,v in pairs(bx) do
lookuphash[i] = lookuphash[i] or v
for j,w in pairs(v) do
--
do
- local cache_ver = 6
+ local cache_ver = 12
local checksum = file.checksum
local function prepare_extra_data_base(id)
- if not id then return end
- local bname = file.nameonly(id.filename or '')
+ if (not id) or (not id.filename) then return end
+ local bname = id.psname or file.nameonly(id.filename)
if not font_extra_basename[bname] then
-- if the cache is present, read it
local newsum = checksum(id.filename) -- MD5 checksum of the fontfile
- local v = "extra_" .. string.lower(file.nameonly(id.filename))
+ local v = "extra_" .. string.lower(bname)
local dat = ltjb.load_cache(
v,
function (t) return (t.version~=cache_ver) or (t.chksum~=newsum) end
end
end
local function prepare_extra_data_font(id, res)
- if type(res)=='table' and res.shared then
+ if type(res)=='table' and res.shared and res.filename then
font_extra_info[id] = font_extra_basename[file.nameonly(res.filename)]
end
end
local subtables = {}
if ft.specification then
for feat_name,v in pairs(ft.specification.features.normal) do
- if v==true then
+ if v==true and ft.resources then
for _,i in pairs(ft.resources.sequences) do
- if i.order[1]== feat_name and i.type == 'gpos_single' then
+ if i.order[1]== feat_name and i.type == 'gpos_single' and type(i.subtables)=='table' then
for _,st in pairs(i.subtables) do
subtables[st] = true
end
end, 1, 'ltj.v_advance'
)
end
+
+------------------------------------------------------------------------
+-- supply tounicode entries
+------------------------------------------------------------------------
+do
+ local ltjr_prepare_cid_font = ltjr.prepare_cid_font
+ luatexbase.add_to_callback(
+ 'luaotfload.patch_font',
+ function (tfmdata)
+ local cidinfo = tfmdata.cidinfo or 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
+ for i,v in pairs(tfmdata.characters) do
+ local w = ru["Japan1." .. tostring(v.index)]
+ if w then
+ v.tounicode = v.tounicode or rc[w]. tounicode
+ end
+ end
+ end
+ end
+
+ return tfmdata
+ end,
+ 'ltj.supply_tounicode', 1)
+end
+
+
------------------------------------------------------------------------
-- MISC
------------------------------------------------------------------------
do
- local getfont = (Dnode ~= node) and Dnode.getfont or function(n) return n.font end
- local getchar = (Dnode ~= node) and Dnode.getchar or function(n) return n.char end
+ local getfont = node.direct.getfont
+ local getchar = node.direct.getchar
local get_dir_count = ltjd.get_dir_count
local is_ucs_in_japanese_char = ltjc.is_ucs_in_japanese_char_direct
local ensure_tex_attr = ltjb.ensure_tex_attr
- local node_write = Dnode.write
+ local node_write = node.direct.write
local font = font
- local ITALIC = luatexja.icflag_table.ITALIC
+ local new_ic_kern
+ 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 append_italic()
local p = to_direct(tex.nest[tex.nest.ptr].tail)
local j = font_metric_table[
has_attr(p, (get_dir_count()==dir_tate) and attr_curtfnt or attr_curjfnt)
]
- local g = node_new(id_kern)
- setfield(g, 'subtype', 1); set_attr(g, attr_icflag, ITALIC)
+ local g = new_ic_kern()
setfield(g, 'kern', j.char_type[find_char_class(getchar(p), j)].italic)
node_write(g); ensure_tex_attr(attr_icflag, 0)
else
local f = getfont(p)
local h = font_getfont(f) or font.fonts[f]
if h then
- local g = node_new(id_kern)
- setfield(g, 'subtype', 1); set_attr(g, attr_icflag, ITALIC)
- setfield(g, 'kern', h.characters[getchar(p)].italic)
- node_write(g); ensure_tex_attr(attr_icflag, 0)
+ local g = new_ic_kern()
+ if h.characters[getchar(p)] and h.characters[getchar(p)].italic then
+ setfield(g, 'kern', h.characters[getchar(p)].italic)
+ node_write(g); ensure_tex_attr(attr_icflag, 0)
+ end
end
end
end
node_free(TEMP)
end
end
+
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