--
luatexbase.provides_module({
name = 'luatexja.jfont',
- date = '2014/10/03',
+ date = '2015/02/08',
description = 'Loader for Japanese fonts',
})
module('luatexja.jfont', package.seeall)
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 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 nullfunc = function(n) return n end
local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
local node_free = Dnode.free
local has_attr = Dnode.has_attribute
local set_attr = Dnode.set_attribute
-local node_write = Dnode.write
local round = tex.round
local font_getfont = font.getfont
local id_glue_spec = node.id('glue_spec')
local id_glue = node.id('glue')
local cat_lp = luatexbase.catcodetables['latex-package']
-local ITALIC = luatexja.icflag_table.ITALIC
local FROM_JFM = luatexja.icflag_table.FROM_JFM
------------------------------------------------------------------------
local jfm_file_name, jfm_var
local defjfm_res
-local jfm_dir
+local jfm_dir, is_def_jfont
function define_jfm(t)
local real_char -- Does current character class have the 'real' character?
real_char = true; 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))
- if not t.chars[-w] then
- t.chars[-w] = i
- else
- defjfm_res= nil; return
- end
end
if not t.chars[w] then
t.chars[w] = i
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
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)
+ function jfontdefX(g, dir)
+ jfm_dir, is_def_jfont = dir, true
local t = token.get_next()
cstemp=token.csname_name(t)
global_flag = g and '\\global' or ''
-- EXT
local identifiers = fonts.hashes.identifiers
- function jfontdefY(dir)
- jfm_dir = dir
- local j = load_jfont_metric(dir)
+ function jfontdefY()
+ local j = load_jfont_metric(jfm_dir)
local fn = font.id(cstemp)
local f = font_getfont(fn)
if not j then
font_metric_table[fn]=fmtable
tex.sprint(cat_lp, global_flag, '\\protected\\expandafter\\def\\csname ',
cstemp , '\\endcsname{\\ltj@cur'..
- (dir == 'yoko' and 'j' or 't') .. 'fnt', fn, '\\relax}')
+ (jfm_dir == 'yoko' and 'j' or 't') .. 'fnt', fn, '\\relax}')
end
end
name = name .. 'jfmvar=' .. jfm_var
end
end
+ if jfm_dir == 'tate' then
+ if not name:match('vert') and not name:match('vrt2') then
+ name = name .. ';vert;vrt2'
+ end
+ end
return name
end
local otfl_fdr = fonts.definers.read
local ltjr_font_callback = ltjr.font_callback
function luatexja.font_callback(name, size, id)
- local new_name = extract_metric(name)
+ local new_name = is_def_jfont and extract_metric(name) or name
+ is_def_jfont = false
local res = ltjr_font_callback(new_name, size, id, otfl_fdr)
luatexbase.call_callback('luatexja.define_font', res, new_name, size, id)
+ -- this callback processes variation selector, so we execute it always
return res
end
luatexbase.create_callback('luatexja.define_font', 'simple', function (n) return n end)
end
end
+------------------------------------------------------------------------
+-- 終了時に各種ノードを破棄
+------------------------------------------------------------------------
+do
+ function cleanup_size_cache()
+ --local gs, ke = 0, 0
+ for _,n in pairs(metrics) do
+ for i,t in pairs(n.size_cache) do
+ for _,v in pairs(t.char_type) do
+ 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])
+ end
+ end
+ end
+ n.size_cache[i]=nil
+ end
+ end
+ --print('glue spec: ', gs, 'kern: ', ke)
+ end
+end
------------------------------------------------------------------------
-- 追加のフォント情報
end
return vw, tsb, vk
end
-
+
local sort = table.sort
local function add_fl_table(dest, tg, unitable, glyphmax, asc_des, units)
for i = 0, glyphmax-1 do
-- vertical metric
local vw, tsb, vk = glyph_vmetric(gv)
local gi = unitable[gv.name]
- if vw and vw~=asc_des then
+ if gi and vw and vw~=asc_des then
-- We do not use tsidebearing, since (1) fontloader does not read VORG table
-- and (2) 'tsidebearing' doea not appear in the returned table by fontloader.fields.
-- Hence, we assume that vertical origin == ascender
dest[gi].vwidth = vw/units
end
-- vertical kern
- if vk then
- dest = dest or {};
+ if gi and vk then
+ dest = dest or {};
local dest_vk = dest.vkerns or {}; dest.vkerns = dest_vk
for _,v in pairs(vk) do
- dest_vk[v.lookup] = dest_vk[v.lookup] or {}
- dest_vk[v.lookup][gi] = dest_vk[v.lookup][gi] or {}
- dest_vk[v.lookup][gi][unitable[v.char]] = v.off
+ local vl = v.lookup
+ if type(vl)=='table' then
+ for _,vlt in pairs(vl) do
+ dest_vk[vlt] = dest_vk[vlt] or {}
+ dest_vk[vlt][gi] = dest_vk[vlt][gi] or {}
+ dest_vk[vlt][gi][unitable[v.char]] = v.off
+ end
+ else
+ dest_vk[vl] = dest_vk[vl] or {}
+ dest_vk[vl][gi] = dest_vk[vl][gi] or {}
+ dest_vk[vl][gi][unitable[v.char]] = v.off
+ end
end
end
end
fl.ascent + fl.descent, fl.units_per_em)
end
end
- fontloader.close(fl)
+ fontloader.close(fl); collectgarbage("collect")
return dest
end
-- supply vkern table
end
end
--- 縦書き用字形への変換テーブル
-local prepare_vert_data
-do
- local function add_feature_table(tname, src, dest)
- for i,v in pairs(src) do
- if type(v.slookups)=='table' then
- local s = v.slookups[tname]
- if s then
- dest = dest or {}
- dest[i] = dest[i] or {}
- dest[i].vert = dest[i].vert or s
- end
- end
- end
- return dest
- end
- prepare_vert_data = function (dest, id)
- local a = id.resources.sequences
- if a then
- local s = id.shared.rawdata.descriptions
- for i,v in pairs(a) do
- if v.features.vert or v.features.vrt2 then
- dest= add_feature_table(v.subtables[1], s, dest)
- end
- end
- end
- return dest
- end
- -- 縦書き用字形への変換
- function get_vert_glyph(n, chr)
- local fn = font_extra_info[n]
- return (fn and fn[chr] and fn[chr].vert) or chr
- end
-end
-
---
+--
do
- local cache_ver = 3
+ local cache_ver = 6
local checksum = file.checksum
local function prepare_extra_data_base(id)
- if not id or not id.resources then return end
+ if not id then return end
local bname = file.nameonly(id.filename or '')
- print(bname, font_extra_basename[bname])
- if bname and not font_extra_basename[bname] then
+ 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))
- print(v)
local dat = ltjb.load_cache(
v,
function (t) return (t.version~=cache_ver) or (t.chksum~=newsum) end
font_extra_basename[bname] = dat[1] or {}
else
local dat = nil
- dat = prepare_vert_data(dat, id)
dat = prepare_fl_data(dat, id)
font_extra_basename[bname] = dat or {}
ltjb.save_cache( v,
{
- chksum = checksum(fname),
+ chksum = checksum(id.filename),
version = cache_ver,
dat,
})
end
end
local function prepare_extra_data_font(id, res)
- if type(res)=='table' and res.filename then
+ if type(res)=='table' and res.shared then
font_extra_info[id] = font_extra_basename[file.nameonly(res.filename)]
end
end
'luaotfload.patch_font',
function (tfmdata)
-- these function is executed one time per one fontfile
- local bname = prepare_extra_data_base(tfmdata)
- if bname then supply_vkern_table(tfmdata, bname) end
+ local bname = prepare_extra_data_base(tfmdata)
+ if bname then supply_vkern_table(tfmdata, bname) end
+ return tfmdata
end,
'ltj.prepare_extra_data', 1)
luatexbase.add_to_callback(
end,
'ltj.prepare_extra_data', 1)
- local function a (n, dat) font_extra_info[n] = dat end
- ltjr.vert_addfunc = a
+ local nulltable = {} -- dummy
+ ltjr.vert_addfunc = function (n) font_extra_info[n] = nulltable end
local identifiers = fonts.hashes.identifiers
for i=1,font.nextid()-1 do
- if identifiers[i] then
+ if identifiers[i] then
prepare_extra_data_base(identifiers[i])
prepare_extra_data_font(i,identifiers[i])
end
-- calculate vadvance
------------------------------------------------------------------------
do
- local function acc_feature(table_vadv, subtables, ft)
+ local function acc_feature(table_vadv, table_vorg, subtables, ft, already_vert)
for char_num,v in pairs(ft.shared.rawdata.descriptions) do
if v.slookups then
for sn, sv in pairs(v.slookups) do
- if subtables[sn] and type(sv)=='table' and sv[4]~=0 then
- table_vadv[char_num]
- = (table_vadv[char_num] or 0) + sv[4]
+ if subtables[sn] and type(sv)=='table' then
+ if sv[4]~=0 then
+ table_vadv[char_num]
+ = (table_vadv[char_num] or 0) + sv[4]
+ end
+ if sv[2]~=0 and not already_vert then
+ table_vorg[char_num]
+ = (table_vorg[char_num] or 0) + sv[2]
+ end
end
end
end
end
luatexbase.add_to_callback(
- "luatexja.define_jfont",
+ "luatexja.define_jfont",
function (fmtable, fnum)
local vadv = {}; fmtable.v_advance = vadv
+ local vorg = {}; fmtable.v_origin = vorg
local ft = font_getfont(fnum)
local subtables = {}
- for feat_name,v in pairs(ft.specification.features.normal) do
- if v then
- for _,i in pairs(ft.resources.sequences) do
- if i.order[1]== feat_name and i.type == 'gpos_single' then
- for _,st in pairs(i.subtables) do
- subtables[st] = true
+ if ft.specification then
+ for feat_name,v in pairs(ft.specification.features.normal) do
+ if v==true then
+ for _,i in pairs(ft.resources.sequences) do
+ if i.order[1]== feat_name and i.type == 'gpos_single' then
+ for _,st in pairs(i.subtables) do
+ subtables[st] = true
+ end
end
end
- end
- end
- end
- acc_feature(vadv, subtables, ft)
- for i,v in pairs(vadv) do
- vadv[i]=vadv[i]/ft.units_per_em*fmtable.size
+ end
+ end
+ acc_feature(vadv, vorg, subtables, ft,
+ ft.specification.features.normal.vrt2 or ft.specification.features.normal.vert)
+ for i,v in pairs(vadv) do
+ vadv[i]=vadv[i]/ft.units_per_em*fmtable.size
+ end
+ for i,v in pairs(vorg) do
+ vorg[i]=vorg[i]/ft.units_per_em*fmtable.size
+ end
end
- return fmtable
+ return fmtable
end, 1, 'ltj.v_advance'
)
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 get_dir_count = ltjd.get_dir_count
local is_ucs_in_japanese_char = ltjc.is_ucs_in_japanese_char_direct
- local tex_set_attr = tex.setattribute
+ local ensure_tex_attr = ltjb.ensure_tex_attr
+ local node_write = Dnode.write
local font = font
+ local ITALIC = luatexja.icflag_table.ITALIC
-- EXT: italic correction
function append_italic()
local p = to_direct(tex.nest[tex.nest.ptr].tail)
+ local TEMP = node_new(id_kern)
if p and getid(p)==id_glyph then
- local f = getfont(p)
- local g = node_new(id_kern)
- setfield(g, 'subtype', 1)
- set_attr(g, attr_icflag, ITALIC)
if is_ucs_in_japanese_char(p) then
- f = has_attr(p, (get_dir_count()==dir_tate) and attr_curtfnt or attr_curjfnt)
- local j = font_metric_table[f]
+ 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)
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)
- else
- tex_set_attr(attr_icflag, 0)
- return node_free(g)
+ node_write(g); ensure_tex_attr(attr_icflag, 0)
end
end
- node_write(g)
- tex_set_attr(attr_icflag, 0)
end
+ node_free(TEMP)
end
end
-
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