local node_free = Dnode.free
local node_remove = Dnode.remove
local node_next = (Dnode ~= node) and Dnode.getnext or node.next
+local traverse = Dnode.traverse
local traverse_id = Dnode.traverse_id
+local start_time_measure, stop_time_measure
+ = ltjb.start_time_measure, ltjb.stop_time_measure
local id_kern = node.id('kern')
local id_hlist = node.id('hlist')
local sid_matrix = node.subtype('pdf_setmatrix')
local sid_user = node.subtype('user_defined')
+local tex_getcount = tex.getcount
+local tex_set_attr = tex.setattribute
local PROCESSED = luatexja.icflag_table.PROCESSED
+local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
local PACKED = luatexja.icflag_table.PACKED
-local DIR = luatexja.stack_table_index.DIR
local STCK = luatexja.userid_table.STCK
-local wh_DIR = luatexja.userid_table.DIR
-local dir_tate = 3
-local dir_yoko = 4
+local DIR = luatexja.userid_table.DIR
+local dir_tate = luatexja.dir_table.dir_tate
+local dir_yoko = luatexja.dir_table.dir_yoko
+local dir_dtou = luatexja.dir_table.dir_dtou
+local dir_node_auto = luatexja.dir_table.dir_node_auto
+local dir_node_manual = luatexja.dir_table.dir_node_manual
+
+local get_dir_count
+-- \tate, \yoko
do
- local node_next = node.next
- local function set_list_direction(v, name)
- if node.next(tex.nest[tex.nest.ptr].head) then
- ltjb.package_error('luatexja',
- "Use `\\" .. name .. "' at top of list",
- 'Direction change command by LuaTeX-ja is available\n'
- .. 'only while current list is null.')
- else
- ltjs.set_stack_table(luatexja.stack_table_index.DIR, v, true)
- end
- end
- luatexja.direction.set_list_direction = set_list_direction
+ local abs = math.abs
+ function get_dir_count()
+ return tex_getcount('ltj@dir@count')
+ end
+ luatexja.direction.get_dir_count = get_dir_count
+
+ local node_next = node.next
+ local node_set_attr = node.set_attribute
+ local function set_list_direction(v, name)
+ local lv, w = tex.nest[tex.nest.ptr], tex.lists.page_head
+ if lv.mode == 1 and w then
+ if w.id==id_whatsit and w.subtype==sid_user
+ and w.user_id==DIR then
+ node_set_attr(w, attr_dir, v)
+ end
+ else
+ local w = node_next(to_direct(lv.head))
+ if to_node(w) then
+ if getid(w)==id_whatsit and getsubtype(w)==sid_user
+ and getfield(w, 'user_id')==DIR then
+ set_attr(w, attr_dir, v)
+ tex_set_attr('global', attr_dir, 0)
+ else
+ ltjb.package_error(
+ 'luatexja',
+ "Use `\\" .. name .. "' at top of list",
+ 'Direction change command by LuaTeX-ja is available\n'
+ .. 'only when the current list is null.')
+ end
+ else
+ local w = node_new(id_whatsit, sid_user)
+ setfield(w, 'next', hd)
+ setfield(w, 'user_id', DIR)
+ setfield(w, 'type', 110)
+ set_attr(w, attr_dir, v)
+ Dnode.write(w)
+ tex_set_attr('global', attr_dir, 0)
+ end
+ tex_set_attr('global', attr_icflag, 0)
+ end
+ end
+ luatexja.direction.set_list_direction = set_list_direction
end
+-- ボックスに dir whatsit を追加
+local function create_dir_whatsit(hd, gc, new_dir)
+ local w = node_new(id_whatsit, sid_user)
+ setfield(w, 'next', hd)
+ setfield(w, 'user_id', DIR)
+ setfield(w, 'type', 110)
+ set_attr(w, attr_dir, new_dir)
+ tex_set_attr('global', attr_dir, 0)
+ set_attr(w, attr_icflag, PROCESSED_BEGIN_FLAG)
+ set_attr(hd, attr_icflag, (has_attr(hd, attr_icflag) or 0) + PROCESSED_BEGIN_FLAG)
+ tex_set_attr('global', attr_icflag, 0)
+ return w
+end
+
+-- hpack_filter, vpack_filter, post_line_break_filter
+-- の結果を組方向を明示するため，先頭に dir_node を設置
do
- local tex_getcount = tex.getcount
- local function set_dir_flag(h, gc)
+ local function create_dir_whatsit_hpack(h, gc)
+ local hd = to_direct(h)
if gc=='fin_row' or gc == 'preamble' then
+ if hd then
+ set_attr(hd, attr_icflag, PROCESSED_BEGIN_FLAG)
+ tex_set_attr('global', attr_icflag, 0)
+ end
return h
else
- local hd, new_dir = to_direct(h), ltjs.table_current_stack[DIR]
- local w
- if hd and getid(hd)==id_whatsit and getsubtype(hd)==sid_user
- and getfield(hd, 'user_id')==wh_DIR then
- w = hd
- else
- w = node_new(id_whatsit, sid_user)
- setfield(w, 'next', hd)
+ return to_node(create_dir_whatsit(hd, gc, ltjs.list_dir))
+ end
+ end
+
+ luatexbase.add_to_callback('hpack_filter',
+ create_dir_whatsit_hpack, 'ltj.create_dir_whatsit', 10000)
+
+ local wh = {}
+ local id_glue, sid_parskip = node.id('glue'), 3
+ local function create_dir_whatsit_vbox(h, gc)
+ local hd = to_direct(h)
+ ltjs.list_dir = get_dir_count()
+ -- remove dir whatsit
+ for x in traverse_id(id_whatsit, hd) do
+ if getsubtype(x)==sid_user and getfield(x, 'user_id')==DIR then
+ wh[#wh+1]=x
+ end
+ end
+ if hd==wh[1] then
+ ltjs.list_dir = has_attr(hd,attr_dir)
+ local x = node_next(hd)
+ if getid(x)==id_glue and getsubtype(x)==sid_parskip then
+ node_remove(hd,x); node_free(x)
end
- setfield(w, 'user_id', wh_DIR)
- setfield(w, 'type', 100)
- setfield(w, 'value', new_dir)
- return to_node(w)
+ end
+ for i=1,#wh do hd = node_remove(hd, wh[i]); node_free(wh[i]); wh[i] = nil end
+ if gc=='fin_row' or gc == 'preamble' then
+ if hd then
+ set_attr(hd, attr_icflag, PROCESSED_BEGIN_FLAG)
+ tex_set_attr('global', attr_icflag, 0)
+ end
+ return to_node(hd)
+ elseif gc=='vtop' then
+ local w = create_dir_whatsit(hd, gc, ltjs.list_dir)
+ -- move dir whatsit after hd
+ local n = getfield(hd, 'next')
+ setfield(hd, 'next', w); setfield(w, 'next', n)
+ return to_node(hd)
+ else
+ return to_node(create_dir_whatsit(hd, gc, ltjs.list_dir))
end
end
- luatexbase.add_to_callback('hpack_filter', set_dir_flag, 'ltj.set_dir_flag', 10000)
- luatexbase.add_to_callback('vpack_filter',
- function (h, gc)
- local box_set, cl = 0, tex.currentgrouplevel + 1
- local hd = to_direct(h)
- for w in traverse_id(id_whatsit, hd) do
- if getsubtype(w)==sid_user and
- getfield(w, 'user_id')==STCK and
- getfield(w, 'value')==cl then box_set = 1;
- hd = node_remove(hd, w); node_free(w); break
- end
- end
- ltjs.report_stack_level(tex_getcount('ltj@@stack') + box_set)
- return set_dir_flag(to_node(hd), gc)
- end, 'ltj.set_dir_flag', 1)
- luatexbase.add_to_callback('post_linebreak_filter',
- function (h)
- local new_dir = ltjs.table_current_stack[DIR]
- for line in traverse_id(id_hlist, to_direct(h)) do
- set_attr(line, attr_dir, new_dir)
- end
- return set_dir_flag(h, tostring(gc))
- end, 'ltj.set_dir_flag', 100)
+ luatexbase.add_to_callback('vpack_filter',
+ create_dir_whatsit_vbox, 'ltj.create_dir_whatsit', 1)
+
+ local function create_dir_whatsit_parbox(h, gc)
+ stop_time_measure('tex_linebreak')
+ -- start 側は ltj-debug.lua に
+ local new_dir, hd = ltjs.list_dir, to_direct(h)
+ for line in traverse_id(id_hlist, hd) do
+ set_attr(line, attr_dir, new_dir)
+ end
+ tex_set_attr('global', attr_dir, 0)
+ return to_node(create_dir_whatsit(hd, gc, new_dir))
+ end
+ luatexbase.add_to_callback('post_linebreak_filter',
+ create_dir_whatsit_parbox, 'ltj.create_dir_whatsit', 10000)
end
-local make_dir_node
+-- dir_node に包む方法を書いたテーブル
+local dir_node_aux
do
local get_h =function (w,h,d) return h end
local get_d =function (w,h,d) return d end
local get_h_d =function (w,h,d) return h+d end
+ local get_h_d_neg =function (w,h,d) return -h-d end
local get_h_neg =function (w,h,d) return -h end
local get_d_neg =function (w,h,d) return -d end
local get_w_half =function (w,h,d) return 0.5*w end
local get_w_neg_half =function (w,h,d) return -0.5*w end
local get_w_neg =function (w,h,d) return -w end
local get_w =function (w,h,d) return w end
- local dir_node_aux = {
- [dir_yoko] = { -- yoko を tate 中で組む
- width = get_h_d,
- height = get_w_half,
- depth = get_w_half,
- [id_hlist] = {
- { 'kern', get_h },
- { 'whatsit', sid_save },
- { 'rotate', '0 1 -1 0' },
- { 'kern', get_w_neg_half },
- { 'box' },
- { 'kern', get_w_neg_half },
- { 'whatsit', sid_restore },
+ local zero = function() return 0 end
+ dir_node_aux = {
+ [dir_yoko] = { -- yoko を
+ [dir_tate] = { -- tate 中で組む
+ width = get_h_d,
+ height = get_w_half,
+ depth = get_w_half,
+ [id_hlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 1 -1 0' },
+ { 'kern', get_w_neg_half },
+ { 'box' , get_h },
+ { 'kern', get_w_neg_half },
+ { 'whatsit', sid_restore },
+ },
+ [id_vlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 1 -1 0' },
+ { 'kern' , zero },
+ { 'box' , get_w_neg },
+ { 'kern', get_h_d_neg},
+ { 'whatsit', sid_restore },
+ },
},
- [id_vlist] = {
- { 'kern', get_w},
- { 'whatsit', sid_save },
- { 'rotate', '0 1 -1 0' },
- { 'box' },
- { 'kern', get_h_neg},
- { 'whatsit', sid_restore },
+ [dir_dtou] = { -- dtou 中で組む
+ width = get_h_d,
+ height = get_w,
+ depth = zero,
+ [id_hlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 -1 1 0' },
+ { 'kern', get_w_neg },
+ { 'box', get_d_neg },
+ { 'whatsit', sid_restore },
+ },
+ [id_vlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 -1 1 0' },
+ { 'kern', get_h_d_neg },
+ { 'box', zero },
+ { 'whatsit', sid_restore },
+ },
},
},
- [dir_tate] = { -- tate を yoko 中で組む
- width = get_h_d,
- height = get_w,
- depth = function() return 0 end,
- [id_hlist] = {
- { 'kern', get_d },
- { 'whatsit', sid_save },
- { 'rotate', '0 -1 1 0' },
- { 'kern', get_w_neg },
- { 'box' },
- { 'whatsit', sid_restore },
+ [dir_tate] = { -- tate を
+ [dir_yoko] = { -- yoko 中で組む
+ width = get_h_d,
+ height = get_w,
+ depth = zero,
+ [id_hlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 -1 1 0' },
+ { 'kern', get_w_neg },
+ { 'box' , get_d_neg },
+ { 'whatsit', sid_restore },
+ },
+ [id_vlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 -1 1 0' },
+ { 'kern', get_h_d_neg },
+ { 'box', zero },
+ { 'whatsit', sid_restore },
+ },
},
- [id_vlist] = {
- { 'whatsit', sid_save },
- { 'rotate', '0 -1 1 0' },
- { 'kern', get_h_neg },
- { 'kern', get_d_neg },
- { 'box' },
- { 'whatsit', sid_restore },
+ [dir_dtou] = { -- dtou 中で組む
+ width = get_w,
+ height = get_d,
+ depth = get_h,
+ [id_hlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '-1 0 0 -1' },
+ { 'kern', get_w_neg },
+ { 'box', zero },
+ { 'whatsit', sid_restore },
+ },
+ [id_vlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '-1 0 0 -1' },
+ { 'kern', get_h_d_neg },
+ { 'box', get_w_neg },
+ { 'whatsit', sid_restore },
+ },
+ },
+ },
+ [dir_dtou] = { -- dtou を
+ [dir_yoko] = { -- yoko 中で組む
+ width = get_h_d,
+ height = get_w,
+ depth = zero,
+ [id_hlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 1 -1 0' },
+ { 'kern', zero },
+ { 'box', get_h },
+ { 'kern', get_w_neg },
+ { 'whatsit', sid_restore },
+ },
+ [id_vlist] = {
+ { 'kern', zero },
+ { 'whatsit', sid_save },
+ { 'rotate', '0 1 -1 0' },
+ { 'box', get_w_neg },
+ { 'kern', get_h_d_neg },
+ { 'whatsit', sid_restore },
+ },
+ },
+ [dir_tate] = { -- tate 中で組む
+ width = get_w,
+ height = get_d,
+ depth = get_h,
+ [id_hlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '-1 0 0 -1' },
+ { 'kern', get_w_neg },
+ { 'box', zero },
+ { 'whatsit', sid_restore },
+ },
+ [id_vlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', ' -1 0 0 -1' },
+ { 'kern', get_h_d_neg },
+ { 'box', get_w_neg },
+ { 'whatsit', sid_restore },
+ },
},
},
}
+end
- remove_dir_whatsit = function (head, b)
- local bh = getlist(b)
- if bh and getid(bh)==id_whatsit and getsubtype(bh)==sid_user
- and getfield(bh, 'user_id')==wh_DIR then
- setfield(b, 'head', node_next(bh))
- set_attr(b, attr_icflag, PROCESSED)
+-- b に DIR whatsit があればその内容を attr_dir にうつす (1st ret val)
+-- 2nd ret val はその DIR whatsit
+local function get_box_dir(b, default)
+ local dir = has_attr(b, attr_dir) or 0
+ local bh = getlist(b)
+ local c
+ for i=1,2 do
+ if bh and getid(bh)==id_whatsit
+ and getsubtype(bh)==sid_user and getfield(bh, 'user_id')==DIR then
+ c = bh
+ if dir==0 then
+ dir = has_attr(bh, attr_dir)
+ set_attr(b, attr_dir, dir)
+ tex_set_attr('global', attr_dir, 0)
+ end
end
- return head, node_next(b)
+ bh = node_next(bh)
end
- make_dir_node = function (head, b, new_dir, origin)
+ return (dir==0 and default or dir), c
+end
+
+-- dir_node に包まれている「本来の中身」を取り出し，
+-- dir_node を全部消去
+local function unwrap_dir_node(b, head, box_dir)
+ -- b: dir_node, head: the head of list, box_dir:
+ -- return values are (new head), (next of b), (contents), (dir of contents)
+ local bh = getlist(b)
+ local bc = node_next(node_next(node_next(bh)))
+ local nh, nb
+ node_remove(bh, bc);
+ Dnode.flush_list(bh)
+ if head then
+ nh = insert_before(head, b, bc)
+ nh, nb = node_remove(nh, b)
+ setfield(b, 'next', nil)
+ setfield(b, 'head', nil)
+ node_free(b)
+ end
+ local shift_old, b_dir, wh = nil, get_box_dir(bc, 0)
+ if wh then
+ Dnode.flush_list(getfield(wh, 'value'))
+ setfield(wh, 'value', nil)
+ end
+ -- recalc. info
+ local info = dir_node_aux[b_dir][box_dir%dir_node_auto][getid(bc)]
+ for _,v in ipairs(info) do
+ if v[1]=='box' then
+ shift_old = v[2](
+ getfield(bc,'width'), getfield(bc, 'height'), getfield(bc, 'depth'))
+ break
+ end
+ end
+ setfield(bc, 'shift', getfield(bc, 'shift') - shift_old)
+ return nh, nb, bc, b_dir
+end
+
+-- is_manual: 寸法変更に伴うものか？
+local function create_dir_node(b, b_dir, new_dir, is_manual)
+ local info = dir_node_aux[b_dir][new_dir]
+ local w = getfield(b, 'width')
+ local h = getfield(b, 'height')
+ local d = getfield(b, 'depth')
+ local db = node_new(getid(b))
+ set_attr(db, attr_dir,
+ new_dir + (is_manual and dir_node_manual or dir_node_auto))
+ set_attr(db, attr_icflag, PROCESSED)
+ set_attr(b, attr_icflag, PROCESSED)
+ setfield(db, 'dir', getfield(b, 'dir'))
+ setfield(db, 'shift', 0)
+ setfield(db, 'width', info.width(w,h,d))
+ setfield(db, 'height', info.height(w,h,d))
+ setfield(db, 'depth', info.depth(w,h,d))
+ return db
+end
+
+-- 異方向のボックスの処理
+local make_dir_whatsit
+do
+ make_dir_whatsit = function (head, b, new_dir, origin)
-- head: list head, b: box
-- origin: コール元 (for debug)
-- return value: (new head), (next of b), (new b), (is_b_dir_node)
-- (new b): b か dir_node に被せられた b
- local old_dir= nil
local bh = getlist(b)
- for x in traverse_id(id_whatsit, bh) do
- if getsubtype(bh)==sid_user and getfield(bh, 'user_id')==wh_DIR then
- old_dir = getfield(bh, 'value')
- setfield(b, 'head', (node_remove(bh, x)))
- set_attr(b, attr_icflag, PROCESSED)
- node_free(x); break
- end
- end
- if not old_dir then
- old_dir = has_attr(b, attr_dir) or dir_yoko
- if old_dir==0 then old_dir =dir_yoko end
- end
- if old_dir==new_dir then
- set_attr(b, attr_icflag, PROCESSED)
+ local box_dir, dn = get_box_dir(b, ltjs.list_dir)
+ -- 既に b の中身にあるwhatsit
+ if box_dir==new_dir then
return head, node_next(b), b, false
- elseif -old_dir == new_dir then
+ elseif box_dir%dir_node_auto == new_dir then
+ local bc = node_next(node_next(node_next(bh)))
+ local _, dnc = get_box_dir(b, 0)
+ if dnc then -- free all other dir_node
+ Dnode.flush_list(getfield(dnc, 'value'))
+ setfield(dnc, 'value', nil)
+ end
+ set_attr(b, attr_dir, box_dir%dir_node_auto + dir_node_auto)
return head, node_next(b), b, true
else
- local nh, nb, ret, flag
- if old_dir < 0 then
- -- b itself is a dir node; just unwrap
- local bc = node_next(node_next(
- node_next(node_next(bh))))
- node_remove(bh, bc);
- nh, nb = insert_before(head, b, bc), nil
- nh, nb = node_remove(head, b)
- setfield(b, 'next', nil); Dnode.flush_list(b)
- ret, flag = bc, false
- else
- local bid = getid(b)
- local db = node_new(bid) -- dir node
- nh, nb = insert_before(head, b, db), nil
- nh, nb = node_remove(nh, b)
- local w = getfield(b, 'width')
- local h = getfield(b, 'height')
- local d = getfield(b, 'depth')
- local info = dir_node_aux[old_dir]
- set_attr(db, attr_dir, -new_dir)
- set_attr(b, attr_icflag, PROCESSED)
- set_attr(db, attr_icflag, PROCESSED)
- setfield(db, 'dir', getfield(b, 'dir'))
- setfield(db, 'shift', 0)
- setfield(db, 'width', info.width(w,h,d))
- setfield(db, 'height', info.height(w,h,d))
- setfield(db, 'depth', info.depth(w,h,d))
- local db_head, db_tail = nil
- for _,v in ipairs(info[bid]) do
- local cmd, arg, nn = v[1], v[2]
- if cmd=='kern' then
- nn = node_new(id_kern)
- setfield(nn, 'kern', arg(w, h, d))
- elseif cmd=='whatsit' then
- nn = node_new(id_whatsit, arg)
- elseif cmd=='rotate' then
- nn = node_new(id_whatsit, sid_matrix)
- setfield(nn, 'data', arg)
- elseif cmd=='box' then
- nn = b; setfield(b, 'next', nil)
- end
- if db_head then
- insert_after(db_head, db_tail, nn)
- db_tail = nn
+ local nh, nb, ret, flag
+ if box_dir>= dir_node_auto then -- unwrap
+ local b_dir
+ head, nb, b, b_dir = unwrap_dir_node(b, head, box_dir)
+ bh = getlist(b)
+ if b_dir==new_dir then -- no need to create new dir_node
+ return head, nb, b, false
+ else box_dir = b_dir end
+ end
+ local db
+ local dnh = getfield(dn, 'value')
+ for x in traverse(dnh) do
+ if has_attr(x, attr_dir)%dir_node_auto == new_dir then
+ setfield(dn, 'value', to_node(node_remove(dnh, x)))
+ db=x; break
+ end
+ end
+ Dnode.flush_list(dnh)
+ db = db or create_dir_node(b, box_dir, new_dir, false)
+ local w = getfield(b, 'width')
+ local h = getfield(b, 'height')
+ local d = getfield(b, 'depth')
+ nh, nb = insert_before(head, b, db), nil
+ nh, nb = node_remove(nh, b)
+ local db_head, db_tail = nil
+ for _,v in ipairs(dir_node_aux[box_dir][new_dir][getid(b)]) do
+ local cmd, arg, nn = v[1], v[2]
+ if cmd=='kern' then
+ nn = node_new(id_kern)
+ setfield(nn, 'kern', arg(w, h, d))
+ elseif cmd=='whatsit' then
+ nn = node_new(id_whatsit, arg)
+ elseif cmd=='rotate' then
+ nn = node_new(id_whatsit, sid_matrix)
+ setfield(nn, 'data', arg)
+ elseif cmd=='box' then
+ nn = b; setfield(b, 'next', nil)
+ setfield(nn, 'shift', getfield(nn, 'shift') + arg(w,h,d))
+ end
+ if db_head then
+ insert_after(db_head, db_tail, nn)
+ db_tail = nn
else
db_head, db_tail = nn, nn
end
- end
+ --end
setfield(db, 'head', db_head)
ret, flag = db, true
end
end
end
local function process_dir_node(head, gc)
+ start_time_measure('direction_vpack')
local h = to_direct(head)
- local x, new_dir = h, ltjs.table_current_stack[DIR] or dir_yoko
+ local x, new_dir = h, ltjs.list_dir or dir_yoko
while x do
local xid = getid(x)
- if (xid==id_hlist and has_attr(x, attr_icflag)~=PACKED) or xid==id_vlist then
- h, x = make_dir_node(h, x, new_dir, 'process_dir_node:' .. gc)
+ if (xid==id_hlist and has_attr(x, attr_icflag)%PROCESSED_BEGIN_FLAG~=PACKED)
+ or xid==id_vlist then
+ h, x = make_dir_whatsit(h, x, new_dir, 'process_dir_node:' .. gc)
else
x = node_next(x)
end
end
+ stop_time_measure('direction_vpack')
return to_node(h)
end
- luatexja.direction.make_dir_node = make_dir_node
+ luatexja.direction.make_dir_whatsit = make_dir_whatsit
luatexbase.add_to_callback('vpack_filter',
- process_dir_node, 'ltj.dir_node', 10001)
+ process_dir_node, 'ltj.dir_whatsit', 10001)
end
+-- \wd, \ht, \dp の代わり
+do
+ local getbox, setdimen = tex.getbox, tex.setdimen
+ local function get_box_dim_common(key, s, l_dir)
+ local s_dir, wh = get_box_dir(s, dir_yoko)
+ if s_dir ~= l_dir then
+ local not_found = true
+ for x in traverse(getfield(wh, 'value')) do
+ if l_dir == has_attr(x, attr_dir)%dir_node_auto then
+ setdimen('ltj@tempdima', getfield(x, key))
+ not_found = false; break
+ end
+ end
+ if not_found then
+ local w = getfield(s, 'width')
+ local h = getfield(s, 'height')
+ local d = getfield(s, 'depth')
+ setdimen('ltj@tempdima',
+ dir_node_aux[s_dir][l_dir][key](w,h,d))
+ end
+ else
+ setdimen('ltj@tempdima', getfield(s, key))
+ end
+ end
+ local function get_box_dim(key, n)
+ local gt = tex.globaldefs; tex.globaldefs = 0
+ local s = getbox(n)
+ if s then
+ local l_dir = get_dir_count()
+ s = to_direct(s)
+ local b_dir = has_attr(s, attr_dir) or 0
+ if b_dir<dir_node_auto then
+ get_box_dim_common(key, s, l_dir)
+ elseif b_dir%dir_node_auto==l_dir then
+ setdimen('ltj@tempdima', getfield(s, key))
+ else
+ get_box_dim_common(key,
+ node_next(node_next(node_next(getlist(s)))), l_dir)
+ end
+ else
+ setdimen('ltj@tempdima', 0)
+ end
+ tex.globaldefs = gt
+ end
+ luatexja.direction.get_box_dim = get_box_dim
+
+ -- return value: (changed dimen of box itself?)
+ local function set_box_dim_common(key, s, l_dir)
+ local s_dir, wh = get_box_dir(s, dir_yoko)
+ if s_dir ~= l_dir then
+ if not wh then
+ wh = create_dir_whatsit(getlist(s), 'set_box_dim', s_dir)
+ setfield(s, 'head', wh)
+ end
+ local db
+ local dnh = getfield(wh, 'value')
+ for x in traverse(dnh) do
+ if has_attr(x, attr_dir)%dir_node_auto==l_dir then
+ db = x; break
+ end
+ end
+ if not db then
+ db = create_dir_node(s, s_dir, l_dir, true)
+ setfield(db, 'next', dnh)
+ setfield(wh, 'value',to_node(db))
+ end
+ setfield(db, key, tex.getdimen('ltj@tempdima'))
+ return false
+ else
+ setfield(s, key, tex.getdimen('ltj@tempdima'))
+ if wh then
+ -- change dimension of dir_nodes which are created "automatically"
+ local bw, bh, bd
+ = getfield(s,'width'), getfield(s, 'height'), getfield(s, 'depth')
+ for x in traverse(getfield(wh, 'value')) do
+ local x_dir = has_attr(x, attr_dir)
+ if x_dir<dir_node_manual then
+ local info = dir_node_aux[s_dir][x_dir%dir_node_auto]
+ setfield(x, 'width', info.width(bw,bh,bd))
+ setfield(x, 'height', info.height(bw,bh,bd))
+ setfield(x, 'depth', info.depth(bw,bh,bd))
+ end
+ end
+ end
+ return true
+ end
+ end
+ local function set_box_dim(key)
+ local n = tex_getcount('ltj@tempcnta')
+ local s = getbox(n)
+ if s then
+ local l_dir = get_dir_count()
+ s = to_direct(s)
+ local b_dir = has_attr(s, attr_dir) or 0
+ if b_dir<dir_node_auto then
+ set_box_dim_common(key, s, l_dir)
+ elseif b_dir%dir_node_auto == l_dir then
+ setfield(s, key, tex.getdimen('ltj@tempdima'))
+ if b_dir<dir_node_manual then
+ set_attr(s, attr_dir, b_dir%dir_node_auto + dir_node_manual)
+ end
+ else
+ local sid, sl = getid(s), getlist(s)
+ local b = node_next(node_next(node_next(sl)))
+ local info = dir_node_aux[get_box_dir(b)][b_dir%dir_node_auto]
+ local shift_old
+ for _,v in ipairs(info[sid]) do
+ if v[1]=='box' then
+ shift_old = v[2](
+ getfield(b,'width'), getfield(b, 'height'), getfield(b, 'depth'))
+ break
+ end
+ end
+ if set_box_dim_common(key, b, l_dir) then
+ local bw, bh, bd
+ = getfield(b,'width'), getfield(b, 'height'), getfield(b, 'depth')
+ -- re-calculate shift
+ for i,v in ipairs(info[sid]) do
+ if getid(sl)==id_kern then
+ setfield(sl, 'kern', v[2](bw,bh,bd) )
+ elseif getid(sl)==sid then
+ local d = getfield(sl, 'shift')
+ setfield(sl, 'shift',
+ getfield(sl, 'shift') - shift_old + v[2](bw,bh,bd) )
+ end
+ sl = node_next(sl)
+ end
+ -- re-calculate dimension of s, if s is created "automatically"
+ if b_dir<dir_node_manual then
+ setfield(s, 'width', info.width(bw,bh,bd))
+ setfield(s, 'height', info.height(bw,bh,bd))
+ setfield(s, 'depth', info.depth(bw,bh,bd))
+ end
+ end
+ end
+ end
+ end
+ luatexja.direction.set_box_dim = set_box_dim
+end
+
+-- \ifydir, \iftdir, \ifddir
+do
+ local cat_lp = luatexbase.catcodetables['latex-package']
+ local getbox = tex.getbox
+ local function dir_conditional(n, mode)
+ local s = getbox(n)
+ local res = false
+ if s then
+ s = to_direct(s)
+ local b_dir = get_box_dir(s, dir_yoko)
+ if b_dir<dir_node_auto then
+ res = (b_dir==mode)
+ else
+ local b_dir = get_box_dir(
+ node_next(node_next(node_next(getlist(s)))), dir_yoko)
+ res = (b_dir==mode)
+ end
+ end
+ tex.sprint(cat_lp, '\\if' .. tostring(res))
+ end
+ luatexja.direction.dir_conditional = dir_conditional
+end
+
+-- 縦書き用字形への変換テーブル
local font_vert_table = {} -- key: fontnumber
do
local font_vert_basename = {} -- key: basename
font_vert_table[n] = font_vert_table[id]; return
elseif (not id) or font_vert_table[n] then return
end
-
local fname = id.filename
local bname = file.basename(fname)
if not fname then
elseif font_vert_basename[bname] then
font_vert_table[n] = font_vert_basename[bname]; return
end
-
local vtable = {}
local a = id.resources.sequences
if a then
font_vert_basename[bname] = vtable
font_vert_table[n] = vtable
end
-
+ -- 縦書き用字形への変換
function luatexja.direction.get_vert_glyph(n, chr)
local fn = font_vert_table[n]
return fn and fn[chr] or chr
end
-
luatexbase.add_to_callback('luatexja.define_font',
function (res, name, size, id)
prepare_vert_data(id, res)
luatexja.rmlgbm.vert_addfunc = a
end
+
+-- PACKED の hbox から文字を取り出す
+-- luatexja.jfmglue.check_box などで使用
+do
+ local function glyph_from_packed(h)
+ local b = getlist(h)
+ return (getid(b)==id_kern)
+ and node_next(node_next(node_next(node_next(b)))) or b
+ end
+ luatexja.direction.glyph_from_packed = glyph_from_packed
+end
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