X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=src%2Fltj-setwidth.lua;h=9f13c97c61ac8a02dc2cab739a6d691c7f32d3b2;hb=f078ac2f7998a102c7ec765e725f2269eed9f872;hp=3e66bb1885a023a3155f1fcd1837d777e54096d9;hpb=af898c3b09bcc8bdfa305778e93bf467d1a52a21;p=luatex-ja%2Fluatexja.git diff --git a/src/ltj-setwidth.lua b/src/ltj-setwidth.lua index 3e66bb1..9f13c97 100644 --- a/src/ltj-setwidth.lua +++ b/src/ltj-setwidth.lua @@ -14,11 +14,17 @@ 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 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) @@ -30,7 +36,7 @@ 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 @@ -52,8 +58,8 @@ local dir_tate = luatexja.dir_table.dir_tate local attr_ykblshift = luatexbase.attributes['ltj@ykblshift'] local attr_tkblshift = luatexbase.attributes['ltj@tkblshift'] local attr_icflag = luatexbase.attributes['ltj@icflag'] +local attr_vert_ori = luatexbase.attributes['ltj@vert@ori'] -local ltjf_font_metric_table = ltjf.font_metric_table local ltjf_font_extra_info = ltjf.font_extra_info local PACKED = luatexja.icflag_table.PACKED @@ -78,7 +84,7 @@ luatexbase.create_callback("luatexja.set_width", "data", end) local call_callback = luatexbase.call_callback -local fshift = { down = 0, left = 0} +local fshift = { down = 0, left = 0 } local min, max = math.min, math.max @@ -111,7 +117,7 @@ local function capsule_glyph_yoko(p, met, char_data, head, dir) local xo, yo = getoffsets(p) setoffsets(p, xo, yo - kbl - fshift.down) setwhd(box, 0, fheight - kbl, fdepth + kbl) - setfield(box, 'dir', dir) + setdir(box, dir) set_attr(box, attr_icflag, PACKED) set_attr(p, attr_icflag, PROCESSED) head = p and node_insert_before(head, p, box) @@ -122,15 +128,15 @@ 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) 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) @@ -140,48 +146,79 @@ 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 local fwidth, pwidth = char_data.width do - local pf = getfont(p) - local pc = getchar(p) - setchar(p, 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) - pwidth = pwidth + (met.v_advance[pc] or 0) - ascent = met.v_origin[pc] and ascent - met.v_origin[pc] or ascent + local pf, pc = getfont(p), getchar(p) + local feir = ltjf_font_extra_info[pf] + if feir and feir.rotation and met.vert_activated then + if feir.rotation[pc] and (has_attr(p, attr_vert_ori) or 0)<=0 then + return capsule_glyph_tate_rot(p, met, char_data, head, dir, 0.5*(ascent-descent)) + end + end + local ident = fonts.hashes.identifiers[pf] + pwidth = (ident.descriptions and ident.descriptions[pc] + and ident.descriptions[pc].vheight + and ident.descriptions[pc].vheight / ident.units * met.size) + or (ident.metadata and ident.metadata.defaultvheight) or (ascent+descent) + ascent = feir.vorigin[pc] and (feir.vorigin[pc] / ident.units * met.size) or ascent end 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 = 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) 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') - local pwnh = -round(0.5*getfield(p, 'width')) - local k2 = node_new(id_kern, 1); setfield(k2, 'kern', pwnh) - local k3 = node_new(id_kern, 1); setfield(k3, 'kern', -getfield(p, 'width')-pwnh) + local pwnh = -round(0.5*getwidth(p)) + 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) - 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) @@ -192,7 +229,7 @@ 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') + 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) @@ -202,10 +239,10 @@ 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, fwidth, fheight, 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 @@ -223,7 +260,7 @@ function luatexja.setwidth.apply_ashift_math(head, last, attr_ablshift) 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 @@ -248,14 +285,14 @@ 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)