X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=src%2Fltj-setwidth.lua;h=83a4644b91b82e0ea3652d883aef99a204c48aa3;hb=d177010c46e52e722b4752eded1ae4a6807953df;hp=92028582300d9d215930d06e4009d6884c73d31b;hpb=1dc395e8e6e5fa0352799748b530a987f4dafed8;p=luatex-ja%2Fluatexja.git diff --git a/src/ltj-setwidth.lua b/src/ltj-setwidth.lua index 9202858..83a4644 100644 --- a/src/ltj-setwidth.lua +++ b/src/ltj-setwidth.lua @@ -14,6 +14,19 @@ local getfont = node.direct.getfont local getlist = node.direct.getlist local getchar = node.direct.getchar local getsubtype = node.direct.getsubtype +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 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 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 node_traverse_id = node.direct.traverse_id local node_traverse = node.direct.traverse @@ -21,7 +34,7 @@ local node_new = node.direct.new local node_copy = node.direct.copy local node_remove = node.direct.remove local node_tail = node.direct.tail -local node_next = node.direct.getnext or node.next +local node_next = node.direct.getnext local has_attr = node.direct.has_attribute local set_attr = node.direct.set_attribute local node_insert_before = node.direct.insert_before @@ -44,7 +57,6 @@ local attr_ykblshift = luatexbase.attributes['ltj@ykblshift'] local attr_tkblshift = luatexbase.attributes['ltj@tkblshift'] local attr_icflag = luatexbase.attributes['ltj@icflag'] -local ltjf_font_metric_table = ltjf.font_metric_table local ltjf_font_extra_info = ltjf.font_extra_info local PACKED = luatexja.icflag_table.PACKED @@ -83,31 +95,28 @@ local function capsule_glyph_yoko(p, met, char_data, head, dir) local kbl = has_attr(p, attr_ykblshift) or 0 -- -- f*: whd specified in JFM - local fwidth, pwidth = char_data.width, getfield(p, 'width') - fwidth = fwidth or pwidth - local fheight, pheight = char_data.height, getfield(p, 'height') - fheight = fheight or pheight - local fdepth, pdepth = char_data.depth,getfield(p, 'depth') - fdepth = fdepth or pdepth + local pwidth, pheight,pdepth = getwhd(p) + local fwidth = char_data.width or pwidth + local fheight= char_data.height or pheight + local fdepth = char_data.depth or pdepth if pwidth==fwidth then -- 補正後glyph node は ht: p.height - kbl - down, dp: p.depth + min(0, kbl+down) を持つ -- 設定されるべき寸法: ht: fheight - kbl, dp: fdepth + kbl local ht_diff = fheight + fshift.down - pheight local dp_diff = fdepth + kbl - pdepth - min(kbl + fshift.down, 0) if ht_diff == 0 and dp_diff ==0 then -- offset only - set_attr(p, attr_icflag, PROCESSED) - setfield(p, 'xoffset', getfield(p, 'xoffset') - fshift.left) - setfield(p, 'yoffset', getfield(p, 'yoffset') - kbl - fshift.down) + set_attr(p, attr_icflag, PROCESSED) + local xo, yo = getoffsets(p) + setoffsets(p, xo - fshift.left, yo - kbl - fshift.down) return node_next(p), head, p elseif ht_diff >= 0 and dp_diff >=0 then -- rule local box = node_new(id_rule,rule_subtype) - setfield(p, 'yoffset', getfield(p, 'yoffset') - kbl - fshift.down) - setfield(box, 'width', 0) - setfield(box, 'height', fheight - kbl) - setfield(box, 'depth', fdepth + kbl) - setfield(box, 'dir', dir) + local xo, yo = getoffsets(p) + setoffsets(p, xo, yo - kbl - fshift.down) + setwhd(box, 0, fheight - kbl, fdepth + kbl) + setdir(box, dir) set_attr(box, attr_icflag, PACKED) - --set_attr(p, attr_icflag, PACKED) + set_attr(p, attr_icflag, PROCESSED) head = p and node_insert_before(head, p, box) or node_insert_after(head, node_tail(head), box) return node_next(p), head, p, box @@ -116,17 +125,15 @@ local function capsule_glyph_yoko(p, met, char_data, head, dir) local q head, q = node_remove(head, p) - setfield(p, 'yoffset', getfield(p, 'yoffset') -fshift.down); - setfield(p, 'next', nil) - setfield(p, 'xoffset', getfield(p, 'xoffset') - + char_data.align*(fwidth-pwidth) - fshift.left) + local xo, yo = getoffsets(p) + setoffsets(p, xo + char_data.align*(fwidth-pwidth) - fshift.left, + yo - fshift.down); + setnext(p, nil) local box = node_new(id_hlist) - setfield(box, 'width', fwidth) - setfield(box, 'height', fheight) - setfield(box, 'depth', fdepth) + setwhd(box, fwidth, fheight, fdepth) setfield(box, 'head', p) setfield(box, 'shift', kbl) - setfield(box, 'dir', dir) + setdir(box, dir) set_attr(box, attr_icflag, PACKED) head = q and node_insert_before(head, q, box) or node_insert_after(head, node_tail(head), box) @@ -136,6 +143,33 @@ end luatexja.setwidth.capsule_glyph_yoko = capsule_glyph_yoko -- 和文文字の位置補正(縦) +-- UTR#50 で R もしくは Tr と指定されているが,縦組用グリフがないもの +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 + -- f*: whd specified in JFM + local pwidth, pheight,pdepth = getwhd(p) + local fwidth = char_data.width or pwidth + local fheight= char_data.height or pheight + local fdepth = char_data.depth or pdepth + local q + head, q = node_remove(head, p) + local xo, yo = getoffsets(p) + setoffsets(p, xo + char_data.align*(fwidth-pwidth) - fshift.left, + yo - fshift.down - asc); + setnext(p, nil) + local box = node_new(id_hlist) + setwhd(box, fwidth, fheight, fdepth) + setfield(box, 'head', p) + setfield(box, 'shift', kbl) + setdir(box, dir) + set_attr(box, attr_icflag, PACKED) + head = q and node_insert_before(head, q, box) + or node_insert_after(head, node_tail(head), box) + return q, head, box +end + local function capsule_glyph_tate(p, met, char_data, head, dir) if not char_data then return node_next(p), head end local ascent, descent = met.ascent, met.descent @@ -143,10 +177,13 @@ local function capsule_glyph_tate(p, met, char_data, head, dir) do local pf = getfont(p) local pc = getchar(p) - setfield(p, 'char', pc) - pwidth = ltjf_font_extra_info[pf] and ltjf_font_extra_info[pf][pc] - and ltjf_font_extra_info[pf][pc].vwidth - and ltjf_font_extra_info[pf][pc].vwidth * met.size or (ascent+descent) + local cei = ltjf_font_extra_info[pf] and ltjf_font_extra_info[pf][pc] + if cei and met.vert_activated then + if cei.rotation then + return capsule_glyph_tate_rot(p, met, char_data, head, dir, 0.5*(ascent-descent)) + end + end + pwidth = (cei and cei.vwidth) and cei.vwidth * met.size or (ascent+descent) pwidth = pwidth + (met.v_advance[pc] or 0) ascent = met.v_origin[pc] and ascent - met.v_origin[pc] or ascent end @@ -155,20 +192,17 @@ 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 - = getfield(p, 'xoffset') + (has_attr(p,attr_tkblshift) or 0) + local xo, yo = getoffsets(p) + local y_shift = xo + (has_attr(p,attr_tkblshift) or 0) local q head, q = node_remove(head, p) local box = node_new(id_hlist) - setfield(box, 'width', fwidth) - setfield(box, 'height', fheight) - setfield(box, 'depth', fdepth) + setwhd(box, fwidth, fheight, fdepth) setfield(box, 'shift', y_shift) - setfield(box, 'dir', dir) + setdir(box, dir) - setfield(p, 'xoffset', - fshift.down) - setfield(p, 'yoffset', getfield(p, 'yoffset') -(ascent - + char_data.align*(fwidth-pwidth) - fshift.left) ) + setoffsets(p, -fshift.down, + yo -(ascent + char_data.align*(fwidth-pwidth) - fshift.left) ) local ws = node_new(id_whatsit, sid_save) local wm = node_new(id_whatsit, sid_matrix) setfield(wm, 'data', '0 1 -1 0') @@ -177,9 +211,9 @@ local function capsule_glyph_tate(p, met, char_data, head, dir) local k3 = node_new(id_kern, 1); setfield(k3, 'kern', -getfield(p, 'width')-pwnh) local wr = node_new(id_whatsit, sid_restore) setfield(box, 'head', ws) - setfield(ws, 'next', wm); setfield(wm, 'next', k2); - setfield(k2, 'next', p); setfield(p, 'next', k3); - setfield(k3, 'next', wr); + setnext(ws, wm); setnext(wm, k2); + setnext(k2, p); setnext(p, k3); + setnext(k3, wr); set_attr(box, attr_icflag, PACKED) head = q and node_insert_before(head, q, box) @@ -191,7 +225,7 @@ luatexja.setwidth.capsule_glyph_tate = capsule_glyph_tate local function capsule_glyph_math(p, met, char_data) if not char_data then return nil end local fwidth, pwidth = char_data.width, getfield(p, 'width') - fwidth = (fwidth ~= 'prop') and fwidth or pwidth + 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 @@ -200,12 +234,10 @@ local function capsule_glyph_math(p, met, char_data) setfield(p, 'yoffset', -fshift.down) setfield(p, 'xoffset', getfield(p, 'xoffset') + char_data.align*(fwidth-pwidth) - fshift.left) local box = node_new(id_hlist); - setfield(box, 'width', fwidth) - setfield(box, 'height', fheight) - setfield(box, 'depth', fdepth) + setwhd(box, fwidth, fheight, fdepth) setfield(box, 'head', p) setfield(box, 'shift', y_shift) - setfield(box, 'dir', tex.mathdir) + setdir(box, tex.mathdir) set_attr(box, attr_icflag, PACKED) return box end @@ -219,11 +251,11 @@ function luatexja.setwidth.apply_ashift_math(head, last, attr_ablshift) return elseif (has_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)) + setfield(p, 'shift', getfield(p, 'shift') + (has_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', getfield(p, 'depth')+v) + setfield(p, 'depth', 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 @@ -231,6 +263,7 @@ function luatexja.setwidth.apply_ashift_math(head, last, attr_ablshift) setfield(p, 'yoffset', getfield(p, 'yoffset') - (has_attr(p,attr_ablshift) or 0)) end + set_attr(p, attr_icflag, PROCESSED) end end end @@ -247,14 +280,14 @@ do 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 - node_depth = max(getfield(lp, 'depth') + min(y_adjust, 0), node_depth) - adj_depth = (y_adjust>0) and max(getfield(lp, 'depth') + y_adjust, adj_depth) or adj_depth + 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 setfield(lp, 'yoffset', getfield(lp, 'yoffset') - y_adjust) end if adj_depth>node_depth then local r = node_new(id_rule,rule_subtype) - setfield(r, 'width', 0); setfield(r, 'height', 0) - setfield(r, 'depth', adj_depth); setfield(r, 'dir', tex_dir) + setwhd(r, 0, 0, adj_depth); setdir(r, tex_dir) set_attr(r, attr_icflag, PROCESSED) if field=='post' then node_insert_after(head, head, r)