summaryrefslogtreecommitdiff
path: root/macros/luatex/generic/luatexja/src/ltj-setwidth.lua
diff options
context:
space:
mode:
Diffstat (limited to 'macros/luatex/generic/luatexja/src/ltj-setwidth.lua')
-rw-r--r--macros/luatex/generic/luatexja/src/ltj-setwidth.lua94
1 files changed, 54 insertions, 40 deletions
diff --git a/macros/luatex/generic/luatexja/src/ltj-setwidth.lua b/macros/luatex/generic/luatexja/src/ltj-setwidth.lua
index 0e8e39f071..dd83d7e3d5 100644
--- a/macros/luatex/generic/luatexja/src/ltj-setwidth.lua
+++ b/macros/luatex/generic/luatexja/src/ltj-setwidth.lua
@@ -15,21 +15,23 @@ local getfont = node.direct.getfont
local getlist = node.direct.getlist
local getchar = node.direct.getchar
local getsubtype = node.direct.getsubtype
-local getwidth = node.direct.getwidth or function(n) return getfield(n,'width') end
-local getdepth = node.direct.getdepth or function(n) return getfield(n,'depth') end
-local getwhd = node.direct.getwhd or function(n)
- return getfield(n,'width'), getfield(n,'height'),getfield(n,'depth') end
+local getwidth = node.direct.getwidth
+local getshift = node.direct.getshift
+local getoffsets = node.direct.getoffsets
+local getheight = node.direct.getheight
+local getdepth = node.direct.getdepth
+local getwhd = node.direct.getwhd
-local setwhd = node.direct.setwhd or function(n,w,h,d)
- setfield(n,'width',w); setfield(n,'height',h); setfield(n,'depth',d) end
-local setchar = node.direct.setchar or function(n,c) setfield(n,'char',c) end
-local setnext = node.direct.setnext or function(n,c) setfield(n,'next',c) end
-local setdir = node.direct.setdir or function(n,c) setfield(n,'dir',c) end
-local setkern = node.direct.setkern or function(n,c) setfield(n,'kern',c) end
-local setoffsets = node.direct.setoffsets or function(n,x,y)
- setfield(n,'xoffset',x); setfield(n,'yoffset',y) end
-local getoffsets = node.direct.getoffsets or function(n)
- return getfield(n,'xoffset'), getfield(n,'yoffset') end
+local setwhd = node.direct.setwhd
+local setchar = node.direct.setchar
+local setnext = node.direct.setnext
+local setdir = node.direct.setdir
+local setkern = node.direct.setkern
+local setshift = node.direct.setshift
+local setoffsets = node.direct.setoffsets
+local setheight = node.direct.setheight
+local setdepth = node.direct.setdepth
+local setlist = node.direct.setlist
local node_traverse_id = node.direct.traverse_id
local node_traverse = node.direct.traverse
@@ -37,7 +39,7 @@ local node_copy = node.direct.copy
local node_remove = node.direct.remove
local node_tail = node.direct.tail
local node_next = node.direct.getnext
-local has_attr = node.direct.has_attribute
+local get_attr = node.direct.get_attribute
local set_attr = node.direct.set_attribute
local node_insert_before = node.direct.insert_before
local node_insert_after = node.direct.insert_after
@@ -56,6 +58,7 @@ local sid_restore = node.subtype 'pdf_restore'
local sid_matrix = node.subtype 'pdf_setmatrix'
local dir_tate = luatexja.dir_table.dir_tate
+local attr_yablshift = luatexbase.attributes['ltj@yablshift']
local attr_ykblshift = luatexbase.attributes['ltj@ykblshift']
local attr_tkblshift = luatexbase.attributes['ltj@tkblshift']
local attr_icflag = luatexbase.attributes['ltj@icflag']
@@ -71,7 +74,7 @@ do
local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
local floor = math.floor
get_pr_begin_flag = function (p)
- local i = has_attr(p, attr_icflag) or 0
+ local i = get_attr(p, attr_icflag) or 0
return i - i%PROCESSED_BEGIN_FLAG
end
end
@@ -97,7 +100,7 @@ local function capsule_glyph_yoko(p, met, char_data, head, dir)
if not char_data then return node_next(p), head, p end
fshift.down = char_data.down; fshift.left = char_data.left
fshift = call_callback("luatexja.set_width", fshift, met, char_data)
- local kbl = has_attr(p, attr_ykblshift) or 0
+ local kbl = get_attr(p, attr_ykblshift) or 0
--
-- f*: whd specified in JFM
local pwidth, pheight,pdepth = getwhd(p)
@@ -142,8 +145,7 @@ local function capsule_glyph_yoko(p, met, char_data, head, dir)
setnext(p, nil)
local box = node_new(id_hlist, nil, p)
setwhd(box, fwidth, fheight, fdepth)
- setfield(box, 'head', p)
- setfield(box, 'shift', kbl)
+ setlist(box, p); setshift(box, kbl)
setdir(box, dir)
set_attr(box, attr_icflag, PACKED)
head = q and node_insert_before(head, q, box)
@@ -158,7 +160,7 @@ luatexja.setwidth.capsule_glyph_yoko = capsule_glyph_yoko
local function capsule_glyph_tate_rot(p, met, char_data, head, dir, asc)
fshift.down = char_data.down; fshift.left = char_data.left
fshift = call_callback("luatexja.set_width", fshift, met, char_data)
- local kbl = has_attr(p, attr_tkblshift) or 0
+ local kbl = get_attr(p, attr_tkblshift) or 0
-- f*: whd specified in JFM
local pwidth, pheight,pdepth = getwhd(p)
local fwidth = char_data.width or pwidth
@@ -172,8 +174,7 @@ local function capsule_glyph_tate_rot(p, met, char_data, head, dir, asc)
setnext(p, nil)
local box = node_new(id_hlist, nil, p)
setwhd(box, fwidth, fheight, fdepth)
- setfield(box, 'head', p)
- setfield(box, 'shift', kbl)
+ setlist(box, p); setshift(box, kbl)
setdir(box, dir)
set_attr(box, attr_icflag, PACKED)
head = q and node_insert_before(head, q, box)
@@ -192,8 +193,8 @@ local function capsule_glyph_tate(p, met, char_data, head, dir)
if met.rotation and met.vert_activated then
local f = font_getfont(pf)
local r, l = met.rotation[pc], f.properties and f.properties.language
- if ((r==true) or (type(r)=="table" and not r[l])) and (has_attr(p, attr_vert_ori) or 0)<=0 then
- return capsule_glyph_tate_rot(p, met, char_data, head, dir,
+ if ((r==true) or (type(r)=="table" and not r[l])) and (get_attr(p, attr_vert_ori) or 0)<=0 then
+ return capsule_glyph_tate_rot(p, met, char_data, head, dir,
0.5*(get_ascender(pf)-get_descender(pf)))
end
end
@@ -213,12 +214,11 @@ local function capsule_glyph_tate(p, met, char_data, head, dir)
fshift = call_callback("luatexja.set_width", fshift, met, char_data)
local fheight = char_data.height or 0
local fdepth = char_data.depth or 0
- local y_shift = xo + (has_attr(p,attr_tkblshift) or 0)
+ local y_shift = xo + (get_attr(p,attr_tkblshift) or 0)
local q
head, q = node_remove(head, p)
local box = node_new(id_hlist, nil, p)
- setwhd(box, fwidth, fheight, fdepth)
- setfield(box, 'shift', y_shift)
+ setwhd(box, fwidth, fheight, fdepth); setshift(box, y_shift)
setdir(box, dir)
-- print(yo, ascender, char_data.align, fwidth-pwidth)
setoffsets(p, -fshift.down,
@@ -230,7 +230,7 @@ local function capsule_glyph_tate(p, met, char_data, head, dir)
local k2 = node_new(id_kern, 1); setkern(k2, pwnh)
local k3 = node_new(id_kern, 1); setkern(k3, -getwidth(p)-pwnh)
local wr = node_new(id_whatsit, sid_restore)
- setfield(box, 'head', ws)
+ setlist(box, ws)
setnext(ws, wm); setnext(wm, k2);
setnext(k2, p); setnext(p, k3);
setnext(k3, wr);
@@ -243,26 +243,41 @@ local function capsule_glyph_tate(p, met, char_data, head, dir)
end
luatexja.setwidth.capsule_glyph_tate = capsule_glyph_tate
-local function capsule_glyph_math(p, met, char_data)
+do
+local font_getfont, famfont = font.getfont, node.family_font
+local cap_math_aux = {
+ [-1]=function() return 1 end, [0]=function() return 1 end,
+ [1]=function()
+ local sf, tf = famfont(2,1), famfont(2,0)
+ return font_getfont(sf).size/font_getfont(tf).size
+ end,
+ [2]=function()
+ local ssf, tf = famfont(2,2), famfont(2,0)
+ return font_getfont(ssf).size/font_getfont(tf).size
+ end
+}
+setmetatable(cap_math_aux, {__index=function(t,k) return t[2] end})
+local function capsule_glyph_math(p, met, char_data, sty)
if not char_data then return nil end
local fwidth, pwidth = char_data.width, getwidth(p)
fwidth = fwidth or pwidth
fshift.down = char_data.down; fshift.left = char_data.left
fshift = call_callback("luatexja.set_width", fshift, met, char_data)
local fheight, fdepth = char_data.height, char_data.depth
- local y_shift
- = - getfield(p, 'yoffset') + (has_attr(p,attr_ykblshift) or 0)
+ local y_shift = - getfield(p, 'yoffset')
+ + cap_math_aux[sty]()*
+ ((get_attr(p,attr_ykblshift) or 0) - (get_attr(p,attr_yablshift) or 0))
setfield(p, 'yoffset', -fshift.down)
setfield(p, 'xoffset', getfield(p, 'xoffset') + char_data.align*(fwidth-pwidth) - fshift.left)
local box = node_new(id_hlist, nil, p);
setwhd(box, fwidth, fheight, fdepth)
- setfield(box, 'head', p)
- setfield(box, 'shift', y_shift)
+ setlist(box, p); setshift(box, y_shift)
setdir(box, tex.mathdir)
set_attr(box, attr_icflag, PACKED)
return box
end
luatexja.setwidth.capsule_glyph_math = capsule_glyph_math
+end
-- 数式の位置補正
function luatexja.setwidth.apply_ashift_math(head, last, attr_ablshift)
@@ -270,19 +285,18 @@ function luatexja.setwidth.apply_ashift_math(head, last, attr_ablshift)
local pid = getid(p)
if p==last then
return
- elseif (has_attr(p, attr_icflag) or 0) ~= PROCESSED then
+ elseif (get_attr(p, attr_icflag) or 0) ~= PROCESSED then
if pid==id_hlist or pid==id_vlist then
- setfield(p, 'shift', getfield(p, 'shift') + (has_attr(p,attr_ablshift) or 0))
+ setshift(p, getshift(p) + (get_attr(p,attr_ablshift) or 0))
elseif pid==id_rule then
- local v = has_attr(p,attr_ablshift) or 0
- setfield(p, 'height', getfield(p, 'height')-v)
- setfield(p, 'depth', getdepth(p)+v)
+ local v = get_attr(p,attr_ablshift) or 0
+ setheight(p, getheight(p)-v); setdepth(p, getdepth(p)+v)
set_attr(p, attr_icflag, PROCESSED)
elseif pid==id_glyph then
-- 欧文文字; 和文文字は pid == id_hlist の場合で処理される
-- (see conv_jchar_to_hbox_A in ltj-math.lua)
setfield(p, 'yoffset',
- getfield(p, 'yoffset') - (has_attr(p,attr_ablshift) or 0))
+ getfield(p, 'yoffset') - (get_attr(p,attr_ablshift) or 0))
end
set_attr(p, attr_icflag, PROCESSED)
end
@@ -300,7 +314,7 @@ do
if not head then return end
local y_adjust, node_depth, adj_depth = 0, 0, 0
for lp in node_traverse_id(id_glyph, head) do
- y_adjust = has_attr(lp,attr_ablshift) or 0
+ y_adjust = get_attr(lp,attr_ablshift) or 0
local ld = getdepth(lp)
node_depth = max(ld + min(y_adjust, 0), node_depth)
adj_depth = (y_adjust>0) and max(ld + y_adjust, adj_depth) or adj_depth