--
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
------------------------------------------------------------------------
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
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
-- 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
+ if gi and vk then
dest = dest or {};
local dest_vk = dest.vkerns or {}; dest.vkerns = dest_vk
for _,v in pairs(vk) do
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 = 6
-- 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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