-local ltjb = luatexja.base
-local ltjc = luatexja.charrange
-local ltjs = luatexja.stack
-local ltjj = luatexja.jfmglue
-local ltjf = luatexja.jfont
+require('lualibs')
+require('luatexja.rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
+require('luatexja.base'); local ltjb = luatexja.base
+require('luatexja.charrange'); local ltjc = luatexja.charrange
+require('luatexja.jfont'); local ltjf = luatexja.jfont
+require('luatexja.inputbuf'); local ltji = luatexja.inputbuf
+require('luatexja.jfmglue'); local ltjj = luatexja.jfmglue
+require('luatexja.pretreat'); local ltjp = luatexja.pretreat
+require('luatexja.stack'); local ltjs = luatexja.stack
+require('luatexja.setwidth'); local ltjw = luatexja.setwidth
local node_type = node.type
local node_new = node.new
return out
end
--- return true if and only if p is a Japanese character node
-local function is_japanese_glyph_node(p)
- return p and (p.id==id_glyph)
- and (p.font==has_attr(p,attr_curjfnt))
-end
-
function math.two_add(a,b) return a+b end
function math.two_average(a,b) return (a+b)/2 end
end
-------------------------------------------------------------------------
--- MAIN PROCESS STEP 4: width of japanese chars (prefix: main4)
-------------------------------------------------------------------------
-
--- TeX's \hss
-local function main4_get_hss()
- local hss = node_new(id_glue)
- local fil_spec = node_new(id_glue_spec)
- fil_spec.width = 0
- fil_spec.stretch = 65536
- fil_spec.stretch_order = 2
- fil_spec.shrink = 65536
- fil_spec.shrink_order = 2
- hss.spec = fil_spec
- return hss
-end
-
-local function main4_set_ja_width(head, dir)
- local p = head
- local met_tb, t, s, g, q, a, h
- local m = false -- is in math mode?
- while p do
- local v=has_attr(p,attr_yablshift) or 0
- if p.id==id_glyph then
- p.yoffset = p.yoffset-v
- if is_japanese_glyph_node(p) then
- met_tb = ltjf.font_metric_table[p.font]
- t = ltjf.metrics[met_tb.jfm]
- s = t.char_type[has_attr(p,attr_jchar_class)]
- if s.width ~= 'prop' and
- not(s.left==0.0 and s.down==0.0 and s.align=='left'
- and round(s.width*met_tb.size)==p.width) then
- -- must be encapsuled by a \hbox
- head, q = node.remove(head, p)
- local full_width = round(s.width*met_tb.size)
- p.yoffset=p.yoffset-round(met_tb.size*s.down)
- p.xoffset=p.xoffset-round(met_tb.size*s.left)
-
- -- The next if block sets h:=(head of a new list)
- if s.align=='left' then
- h = node_new(id_kern); h.subtype = 0
- h.kern = full_width - p.width
- p.next = h; h = p
- elseif s.align=='right' then
- h = node_new(id_kern); h.subtype = 0
- h.kern = full_width - p.width
- p.next = nil; h.next = p
- elseif s.align=='middle' then
- local total = full_width - p.width
- h = node_new(id_kern); h.subtype = 0
- h.kern = round(total/2); p.next = h
- h = node_new(id_kern); h.subtype = 0
- h.kern = total - round(total/2); h.next = p
- end
- g = node_new(id_hlist); g.width = full_width
- g.height = round(met_tb.size*s.height)
- g.depth = round(met_tb.size*s.depth)
- g.glue_set = 0; g.glue_order = 0; g.head = h
- g.shift = 0; g.dir = dir or 'TLT'
- node.set_attribute(g, attr_icflag, PACKED)
- if q then
- head = node_insert_before(head, q, g)
- else
- head = node_insert_after(head, node.tail(head), g)
- end
- p = q
- else p=node_next(p)
- end
- else p=node_next(p)
- end
- elseif p.id==id_math then
- m=(p.subtype==0); p=node_next(p)
- else
- if m then
- if p.id==id_hlist or p.id==id_vlist then
- p.shift=p.shift+v
- elseif p.id==id_rule then
- p.height=p.height-v; p.depth=p.depth+v
- end
- end
- p=node_next(p)
- end
- end
-return head
-end
-
-- main process
-- mode = true iff main_process is called from pre_linebreak_filter
local function main_process(head, mode, dir)
local p = head
p = ltjj.main(p,mode)
- p = main4_set_ja_width(p, dir)
+ p = ltjw.set_ja_width(p, dir)
return p
end
local base = debug_depth .. string.format('%X', has_attr(p,attr_icflag) or 0)
.. ' ' .. pt .. ' ' .. p.subtype
if pt == 'glyph' then
- print_fn(base, utf.char(p.char), p.font)
+ s = base .. ' ' .. utf.char(p.char) .. ' ' .. tostring(p.font)
+ .. ' (' .. print_scaled(p.height) .. '+'
+ .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
+ print_fn(s)
elseif pt=='hlist' then
s = base .. '(' .. print_scaled(p.height) .. '+'
.. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
texio.write_nl("("..path..")")
dofile(path)
end
- require('lualibs')
-
-
- }
-\RequireLuaModule{luatexja.rmlgbm} % For Ryumin-Light and GothicBBB-Medium.
-\RequireLuaModule{luatexja.charrange}
-\RequireLuaModule{luatexja.jfont}
-\RequireLuaModule{luatexja.stack}
-\RequireLuaModule{luatexja.pretreat}
-\RequireLuaModule{luatexja.inputbuf}
-\RequireLuaModule{luatexja.jfmglue}
-
-\directlua{
ltj.loadlua('luatexja-core.lua')
}
module('luatexja.jfmglue', package.seeall)
local err, warn, info, log = luatexbase.errwarinf(_NAME)
-require('luatexja.base'); local ltjb = luatexja.base
-require('luatexja.stack'); local ltjs = luatexja.stack
-require('luatexja.jfont'); local ltjf = luatexja.jfont
-require('luatexja.pretreat'); local ltjp = luatexja.pretreat
+require('luatexja.base'); local ltjb = luatexja.base
+require('luatexja.stack'); local ltjs = luatexja.stack
+require('luatexja.jfont'); local ltjf = luatexja.jfont
+require('luatexja.pretreat'); local ltjp = luatexja.pretreat
local node_type = node.type
local node_new = node.new
--- /dev/null
+--
+-- luatexja/setwidth.lua
+--
+luatexbase.provides_module({
+ name = 'luatexja.setwidth',
+ date = '2011/06/28',
+ version = '0.1',
+ description = '',
+})
+module('luatexja.setwidth', package.seeall)
+local err, warn, info, log = luatexbase.errwarinf(_NAME)
+
+require('luatexja.base'); local ltjb = luatexja.base
+require('luatexja.jfont'); local ltjf = luatexja.jfont
+
+local node_type = node.type
+local node_new = node.new
+local node_tail = node.tail
+local node_next = node.next
+local has_attr = node.has_attribute
+local set_attr = node.set_attribute
+local node_insert_before = node.insert_before
+local node_insert_after = node.insert_after
+local round = tex.round
+
+local id_glyph = node.id('glyph')
+local id_kern = node.id('kern')
+local id_hlist = node.id('hlist')
+local id_vlist = node.id('vlist')
+local id_rule = node.id('rule')
+local id_math = node.id('math')
+
+local attr_jchar_class = luatexbase.attributes['ltj@charclass']
+local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
+local attr_yablshift = luatexbase.attributes['ltj@yablshift']
+local attr_icflag = luatexbase.attributes['ltj@icflag']
+
+local PACKED = 2
+
+local met_tb = {}
+local char_data = {}
+local head
+
+-- return true if and only if p is a Japanese character node
+local function is_japanese_glyph_node(p)
+ return p.font==has_attr(p, attr_curjfnt)
+end
+
+local function capsule_glyph(p, dir)
+ local h, box, q, fwidth, fheight, fdepth
+ p.xoffset= p.xoffset - round(met_tb.size*char_data.left)
+ if char_data.width ~= 'prop' then
+ fwidth = round(char_data.width*met_tb.size)
+ else fwidth = p.width end
+ fheight = round(met_tb.size*char_data.height)
+ fdepth = round(met_tb.size*char_data.depth)
+ if p.width ~= fwidth or p.height ~= fheight or p.depth ~= fdepth then
+ local y_shift = - p.yoffset + (has_attr(p,attr_yablshift) or 0)
+ p.yoffset = -round(met_tb.size*char_data.down)
+ head, q = node.remove(head, p)
+ local total = fwidth - p.width
+ if total == 0 then
+ h = p; p.next = nil
+ else
+ h = node_new(id_kern); h.subtype = 0
+ if char_data.align=='left' then
+ h.kern = total; p.next = h; h = p
+ elseif char_data.align=='right' then
+ h.kern = total; p.next = nil; h.next = p
+ elseif char_data.align=='middle' then
+ h.kern = round(total/2); p.next = h
+ h = node_new(id_kern); h.subtype = 0
+ h.kern = total - round(total/2); h.next = p
+ end
+ end
+ box = node_new(id_hlist);
+ box.width = fwidth; box.height = fheight; box.depth = fdepth
+ box.glue_set = 0; box.glue_order = 0; box.head = h
+ box.shift = y_shift; box.dir = dir or 'TLT'
+ set_attr(box, attr_icflag, PACKED)
+ if q then
+ head = node_insert_before(head, q, box)
+ else
+ head = node_insert_after(head, node_tail(head), box)
+ end
+ return q
+ else
+ p.yoffset = p.yoffset - (has_attr(p, attr_yablshift) or 0) - round(met_tb.size*char_data.down)
+ return node_next(p)
+ end
+end
+
+function set_ja_width(ahead, dir)
+ local p = ahead; head = ahead
+ local m = false -- is in math mode?
+ while p do
+ if p.id==id_glyph then
+ if is_japanese_glyph_node(p) then
+ met_tb = ltjf.font_metric_table[p.font]
+ char_data = ltjf.metrics[met_tb.jfm].char_type[has_attr(p, attr_jchar_class)]
+ p = capsule_glyph(p, dir)
+ else
+ p.yoffset = p.yoffset - (has_attr(p,attr_yablshift) or 0); p = node_next(p)
+ end
+ elseif p.id==id_math then
+ m = (p.subtype==0); p = node_next(p)
+ else
+ if m then
+ if p.id==id_hlist or p.id==id_vlist then
+ p.shift = p.shift + (has_attr(p,attr_yablshift) or 0)
+ elseif p.id==id_rule then
+ local v = has_attr(p,attr_yablshift) or 0
+ p.height = p.height - v; p.depth = p.depth + v
+ end
+ end
+ p = node_next(p)
+ end
+ end
+ -- adjust attr_icflag
+ tex.attribute[attr_icflag] = -(0x7FFFFFFF)
+ return head
+end
--- /dev/null
+%#!luatex
+\input luatexja.sty
+
+\def\gbox#1{\noindent\setbox0=\hbox{\d#1}
+ \vrule height 0.2pt depth 0.2pt width \dimexpr \wd0+10pt\relax
+ \kern\dimexpr -\wd0-5pt\relax\vrule height\ht0 depth \dp0\hbox{\copy0}%
+ \vrule height\ht0 depth \dp0\relax}
+\font\d=cmr17 at 20pt
+\baselineskip=40pt
+
+\jfont\sixgt={psft:GothicBBB-Medium:jfm=ujis} at 6pt
+\font\sixtt=cmtt10 at 6pt
+\def\dumplist#1{\par\noindent\leavevmode
+\hbox to 0.2\hsize{\copy#1\hss}%
+\vbox{\hsize=0.6\hsize\sixtt\baselineskip=7.2pt\sixgt\let\\=\relax
+\directlua{ltj.ext_show_node_list(tex.getbox(#1).head, '\\par ', tex.print)}\hrule}}
+
+\ltjsetparameter{yalbaselineshift=0pt,yjabaselineshift=0pt}
+\setbox0=\hbox{\d Hy}\dumplist0
+
+\ltjsetparameter{yalbaselineshift=-10pt}\gbox{Hy}
+\ltjsetparameter{yalbaselineshift=-0pt}\gbox{Hy}
+\ltjsetparameter{yalbaselineshift=10pt}\gbox{Hy}
+\ltjsetparameter{yalbaselineshift=20pt}\gbox{Hy}
+
+\jfont\f=psft:Ryumin-Light:jfm=ujis at 20pt\f
+\ltjsetparameter{yalbaselineshift=0pt,yjabaselineshift=0pt}
+\setbox0=\hbox{\f あ}\dumplist0
+
+\ltjsetparameter{yjabaselineshift=-10pt}\gbox{あ}
+\ltjsetparameter{yjabaselineshift=0pt}\gbox{あ}
+\ltjsetparameter{yjabaselineshift=10pt}\gbox{あ}
+\ltjsetparameter{yjabaselineshift=20pt}\gbox{あ}
+
+\jfont\f=name:IPAMincho:jfm=ujis at 20pt\f
+\ltjsetparameter{yalbaselineshift=0pt,yjabaselineshift=0pt}
+\setbox0=\hbox{\f あ}\dumplist0
+
+\ltjsetparameter{yjabaselineshift=-10pt}\gbox{あ}
+\ltjsetparameter{yjabaselineshift=0pt}\gbox{あ}
+\ltjsetparameter{yjabaselineshift=10pt}\gbox{あ}
+\ltjsetparameter{yjabaselineshift=20pt}\gbox{あ}
+
+\end
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