1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
|
--
-- ltj-jfont.lua
--
luatexbase.provides_module({
name = 'luatexja.jfont',
date = '2020-10-05',
description = 'Loader for Japanese fonts',
})
luatexja.load_module 'lotf_aux'; local ltju = luatexja.lotf_aux
luatexja.load_module 'base'; local ltjb = luatexja.base
luatexja.load_module 'charrange'; local ltjc = luatexja.charrange
luatexja.load_module 'rmlgbm'; local ltjr = luatexja.rmlgbm
luatexja.load_module 'direction'; local ltjd = luatexja.direction
local setfield = node.direct.setfield
local getid = node.direct.getid
local to_direct = node.direct.todirect
local node_new = node.direct.new
local node_free = node.direct.free
local has_attr = node.direct.has_attribute
local set_attr = node.direct.set_attribute
local round = tex.round
local font_getfont = font.getfont
local attr_icflag = luatexbase.attributes['ltj@icflag']
local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
local attr_curtfnt = luatexbase.attributes['ltj@curtfnt']
local id_glyph = node.id('glyph')
local id_kern = node.id('kern')
local cat_lp = luatexbase.catcodetables['latex-package']
local FROM_JFM = luatexja.icflag_table.FROM_JFM
luatexja.jfont = luatexja.jfont or {}
------------------------------------------------------------------------
-- LOADING JFM
------------------------------------------------------------------------
local metrics = {} -- this table stores all metric informations
local font_metric_table = ltju.font_metric_table -- [font number] -> jfm_name, jfm_var, size
luatexbase.create_callback("luatexja.load_jfm", "data", function (ft, jn) return ft end)
local jfm_spec, jfm_name, jfm_var, jfm_ksp
local defjfm_res
local jfm_dir, is_def_jfont, vert_activated, auto_enable_vrt2
local function norm_val(a)
if (not a) or (a==0.) then
return nil
elseif a==true then
return 1
else
return a
end
end
local fastcopy=table.fastcopy
function luatexja.jfont.define_jfm(to)
local t = fastcopy(to)
local real_char -- Does current character class have the 'real' character?
if t.dir~=jfm_dir then
defjfm_res= nil; return
elseif type(t.zw)~='number' or type(t.zh)~='number' then
defjfm_res= nil; return
end
t.version = (type(t.version)=='number') and t.version or 1
t.char_type = {}; t.chars = {}
for i,v in pairs(t) do
if type(i) == 'number' then -- char_type
if not v.chars then
if i ~= 0 then defjfm_res= nil; return end
else
for j,w in pairs(v.chars) do
if type(w) == 'number' and w~=-1 then
elseif type(w) == 'string' and utf.len(w)==1 then
w = utf.byte(w)
elseif type(w) == 'string' and utf.len(w)==2 and utf.sub(w,2) == '*' then
w = utf.byte(utf.sub(w,1,1))
end
if not t.chars[w] then
t.chars[w] = i
else
defjfm_res= nil; return
end
end
v.chars = nil
end
if type(v.align)~='string' then
v.align = 'left' -- left
end
if type(v.width)~='number' then
v.width = nil
end
if type(v.height)~='number' then
v.height = (jfm_dir=='tate') and 0.0 or nil
end
if type(v.depth)~='number' then
v.depth = (jfm_dir=='tate') and 0.0 or nil
end
if type(v.italic)~='number' then
v.italic = 0.0
end
if type(v.left)~='number' then
v.left = 0.0
end
if type(v.down)~='number' then
v.down = 0.0
end
v.round_threshold = ((t.version>=3)and(i==0)and(type(v.round_threshold)=='number'))
and v.round_threshold or nil
if t.version>=2 then
if v.end_stretch then defjfm_res= nil; return end
if v.end_shrink then defjfm_res= nil; return end
if v.end_adjust then
if type(v.end_adjust)~='table' then
v.end_adjust = nil
elseif #(v.end_adjust)==0 then
v.end_adjust = nil
else
table.sort(v.end_adjust)
end
end
else
v.end_adjust = nil
if v.end_stretch and v.end_stretch~=0.0 then
v.end_adjust = (v.end_adjust or {})
v.end_adjust[#(v.end_adjust)+1] = v.end_stretch
end
if v.end_shrink and v.end_ahrink~=0.0 then
v.end_adjust = (v.end_adjust or {})
v.end_adjust[#(v.end_adjust)+1] = -v.end_shrink
end
if v.end_adjust then v.end_adjust[#(v.end_adjust)+1] = 0.0 end
end
v.kern = v.kern or {}; v.glue = v.glue or {}
for j,x in pairs(v.glue) do
if v.kern[j] then defjfm_res= nil; return end
x.ratio, x[5] = (x.ratio or (x[5] and 0.5*(1+x[5]) or 0.5)), nil
do
local xp
xp, x[4] = (x.priority or x[4]), nil
if type(xp)=='table' and t.version>=2 then
if type(xp[1])~='number' or xp[1]<-4 or xp[1]>3 then defjfm_res=nil end -- stretch
if type(xp[2])~='number' or xp[2]<-4 or xp[2]>3 then defjfm_res=nil end -- shrink
xp = (xp[1]+4)*8+(xp[2]+4)
elseif xp and type(xp)~='number' then
defjfm_res = nil
else
xp = (xp or 0)*9+36
if xp<0 or xp>=64 then defjfm_res=nil end
end
x.priority = xp
end
x.kanjiskip_natural = norm_val(x.kanjiskip_natural)
x.kanjiskip_stretch = norm_val(x.kanjiskip_stretch)
x.kanjiskip_shrink = norm_val(x.kanjiskip_shrink)
end
for j,x in pairs(v.kern) do
if type(x)=='number' then
v.kern[j] = {x, 0.5}
elseif type(x)=='table' then
v.kern[j] = { x[1], (x.ratio or (x[2] and 0.5*(1+x[2]) or 0.5)) }
end
end
t.char_type[i] = v
t[i] = nil
end
end
if t.version<3 then
-- In version 3, 'jcharbdd' is divided into
-- 'alchar': ALchar (or math boundary)
-- 'nox_alchar': ALchar (or math boundary), where xkanjiskip won't inserted
-- 'glue': glue/kern, 'jcharbdd': other cases (和文B, rule, ...)
t.chars.alchar = t.chars.jcharbdd
t.chars.nox_alchar = t.chars.jcharbdd
t.chars.glue = t.chars.jcharbdd
end
t = luatexbase.call_callback("luatexja.load_jfm", t, jfm_spec, luatexja.jfont.jfm_feature)
t.size_cache = {}
defjfm_res = t
end
local update_jfm_cache
do
local floor = math.floor
local function myround(a) return floor(a+0.5) end
local mult_ignore_key = {
round_threshold=true, kanjiskip_natural=true, kanjiskip_stretch=true, kanjiskip_shrink=true,
ratio=true, priority=true
}
local function mult_table(old,scale) -- modified from table.fastcopy
if old then
local new = { }
for k,v in next, old do
if type(v) == "table" then
new[k] = mult_table(v,scale)
elseif type(v) == "number" and not mult_ignore_key[k] then
new[k] = myround(v*scale)
else
new[k] = v
end
end
return new
else return nil end
end
local size_cache_num = 1
update_jfm_cache = function (j,sz)
if metrics[j].size_cache[sz] then return metrics[j].size_cache[sz].index end
local t = {}
metrics[j].size_cache[sz] = t
t.chars = metrics[j].chars
t.char_type = mult_table(metrics[j].char_type, sz)
for i,v in pairs(t.char_type) do
v.align = (v.align=='left') and 0 or
((v.align=='right') and 1 or 0.5)
if type(i) == 'number' then -- char_type
for k,w in pairs(v.glue) do
v[k] = {
nil,
ratio=w.ratio,
priority=FROM_JFM + w.priority,
width = w[1], stretch = w[2], shrink = w[3],
kanjiskip_natural = w.kanjiskip_natural,
kanjiskip_stretch = w.kanjiskip_stretch,
kanjiskip_shrink = w.kanjiskip_shrink,
round_threshold = w.round_threshold,
}
end
for k,w in pairs(v.kern) do
local g = node_new(id_kern, 1)
setfield(g, 'kern', w[1])
set_attr(g, attr_icflag, FROM_JFM)
v[k] = {g, ratio=w[2]/sz}
end
end
v.glue, v.kern = nil, nil
end
t.kanjiskip = mult_table(metrics[j].kanjiskip, sz)
t.xkanjiskip = mult_table(metrics[j].xkanjiskip,sz)
t.zw = round(metrics[j].zw*sz)
t.zh = round(metrics[j].zh*sz)
t.size = sz
size_cache_num = size_cache_num + 1
t.index = size_cache_num
return size_cache_num
end
end
luatexbase.create_callback("luatexja.find_char_class", "data",
function (arg, fmtable, char)
return 0
end)
local find_char_class
do
local start_time_measure = ltjb.start_time_measure
local stop_time_measure = ltjb.stop_time_measure
local fcc_temp = { chars_cbcache = {} }
setmetatable(
fcc_temp.chars_cbcache,
{
__index = function () return 0 end,
})
function find_char_class(c,m)
-- c: character code, m:
local r = (m or fcc_temp).chars_cbcache[c]
if not r then
r = m.chars[c] or
luatexbase.call_callback("luatexja.find_char_class", 0, m, c)
m.chars_cbcache[c or 0] = r
end
return r
end
end
------------------------------------------------------------------------
-- LOADING JAPANESE FONTS
------------------------------------------------------------------------
local load_jfont_metric, check_callback_order
local font_extra_info = {} -- defined later
do
local cstemp
local global_flag -- true if \globaljfont, false if \jfont
load_jfont_metric = function()
if jfm_name=='' then
ltjb.package_error('luatexja', 'no JFM specified',
'To load and define a Japanese font, a JFM must be specified.'..
"The JFM 'ujis' will be used for now.")
jfm_name, jfm_spec = 'ujis', 'ujis'
end
for j,v in ipairs(metrics) do if v.name==jfm_spec then return j end end
luatexja.load_lua('jfm-' .. jfm_name .. '.lua')
if defjfm_res then
defjfm_res.name = jfm_spec; table.insert(metrics, defjfm_res)
return #metrics
else
return nil
end
end
-- EXT
local utfbyte = utf.byte
function luatexja.jfont.jfontdefX(g, dir, csname)
jfm_dir, is_def_jfont = dir, true
cstemp = csname:sub( (utfbyte(csname,1,1) == tex.escapechar) and 2 or 1, -1)
cstemp = cstemp:sub(1, ((cstemp:sub(-1,-1)==' ') and (cstemp:len()>=2)) and -2 or -1)
global_flag = g and '\\global' or ''
tex.sprint(cat_lp, '\\expandafter\\font\\csname ',
(cstemp==' ') and '\\space' or cstemp, '\\endcsname')
end
luatexbase.create_callback("luatexja.define_jfont", "data", function (ft, fn) return ft end)
-- EXT
local fastcopy=table.fastcopy
function luatexja.jfont.jfontdefY()
local j = load_jfont_metric(jfm_dir)
local fn = font.id(cstemp)
local f = font_getfont(fn)
if not j then
ltjb.package_error('luatexja', "bad JFM `" .. jfm_name .. "'",
'The JFM file you specified is not valid JFM file.\n'..
'So defining Japanese font is cancelled.')
tex.sprint(cat_lp, global_flag, '\\expandafter\\let\\csname ',
(cstemp==' ') and '\\space' or cstemp,
'\\endcsname=\\relax')
return
end
if not f then return end
update_jfm_cache(j, f.size); check_callback_order()
local sz = metrics[j].size_cache[f.size]
local fmtable = { jfm = j, size = f.size, var = jfm_var,
with_kanjiskip = jfm_ksp,
zw = sz.zw, zh = sz.zh,
chars = sz.chars, char_type = sz.char_type,
kanjiskip = sz.kanjiskip, xkanjiskip = sz.xkanjiskip,
chars_cbcache = {},
vert_activated = vert_activated,
rotation = fastcopy(font_extra_info[fn].rotation),
}
if auto_enable_vrt2 then
local vert_name = ltju.exist_feature(fn, 'vrt2') and 'vrt2' or 'vert'
local rot = fmtable.rotation
ltju.enable_feature(fn, vert_name)
ltju.loop_over_feat(f, {[vert_name]=true}, function (i,k) rot[i] = nil end)
end
fmtable = luatexbase.call_callback("luatexja.define_jfont", fmtable, fn)
font_metric_table[fn]=fmtable
tex.sprint(cat_lp, global_flag, '\\protected\\expandafter\\def\\csname ',
(cstemp==' ') and '\\space' or cstemp, '\\endcsname{\\ltj@cur'..
(jfm_dir == 'yoko' and 'j' or 't') .. 'fnt', fn, '\\relax}')
jfm_spec = nil
end
end
do
local ltb = luatexbase
local to_be_checked = { 'pre_linebreak_filter', 'hpack_filter' }
check_callback_order = function()
for i,n in pairs(to_be_checked) do
local lotf_cb = ltb.priority_in_callback(n, 'luaotfload.letterspace')
local ltj_cb = ltb.priority_in_callback(n, 'ltj.main')
if lotf_cb then
to_be_checked[i]=nil
if ltj_cb<lotf_cb then
local f = ltb.remove_from_callback(n,'luaotfload.letterspace')
ltb.add_to_callback(n, f, 'luaotfload.letterspace',
ltb.priority_in_callback(n, 'luaotfload.node_processor') + 1)
end
end
end
end
end
do
local get_dir_count = ltjd.get_dir_count
local dir_tate = luatexja.dir_table.dir_tate
local tex_get_attr = tex.getattribute
-- PUBLIC function
function luatexja.jfont.get_zw()
local a = font_metric_table[
tex_get_attr((get_dir_count()==dir_tate) and attr_curtfnt or attr_curjfnt)]
return a and a.zw or 0
end
function luatexja.jfont.get_zh()
local a = font_metric_table[
tex_get_attr((get_dir_count()==dir_tate) and attr_curtfnt or attr_curjfnt)]
return a and a.zw or 0
end
end
do
local P, R, S, V = lpeg.P, lpeg.R, lpeg.S, lpeg.V
local lpegmatch = lpeg.match
local C, Cc, Cf, Ct, Cg = lpeg.C, lpeg.Cc, lpeg.Cf, lpeg.Ct, lpeg.Cg
local Cs, B = lpeg.Cs, lpeg.B
local spacing = S" \t\v"
local ws = spacing^0
local slash = P'/'
local semicolon = P';'
local comma = P','
local equals = P'='
local jf_field_char = 1 - S'/{};,='
local jf_field = C(jf_field_char^1)
local jf_assignment = jf_field * equals * jf_field
local jf_switch = P'-' * jf_field * Cc(false) + P'+'^-1 * jf_field * Cc(true)
local jf_feature_expr = Cg(jf_assignment + jf_switch) * comma^0
local jf_feature_list = P'{' * jf_feature_expr^0 * P'}' + jf_feature_expr^0
local jf_list = C((1-slash)^1) * (slash * Cf(Ct'' * jf_feature_list, rawset))^-1
local jf_value = (1 - semicolon)^1
local function rem(name,value)
if name=='jfm' then
local flag, t; jfm_name, t = lpegmatch(jf_list, value)
if type(t)=='table' then
for i,v in pairs(t) do
flag=true
if v=='true' then t[i]=true elseif v=='false' then t[i]=false end
end
end
luatexja.jfont.jfm_feature = flag and t
elseif name=='jfmvar' then jfm_var = value end
return ''
end
local jf_remainder = Cs( ( ( B(S':;') *
C(P'jfm' * P'var'^-1) * ws * equals * ws * C(jf_value) * semicolon^-1 ) / rem +1 )^0 )
local parser=luaotfload.parsers.font_request
function is_feature_specified(s,fname)
local t = lpegmatch(parser,s); return t and t.features and t.features[fname]
end
-- extract jfm_name, jfm_spec and jfm_var
-- normalize position of 'jfm=' and 'jfmvar=' keys
local function extract_jfm_spec(name)
name = (name:match '^{(.*)}$') or (name:match '^"(.*)"$') or name
jfm_spec, jfm_var = '', ''
local tmp, index = name:sub(1, 5), 1
if tmp == 'file:' or tmp == 'name:' or tmp == 'psft:' then
index = 6
end
name = lpegmatch(jf_remainder, name)
if jfm_name~='' then
if luatexja.jfont.jfm_feature then
local l, t2 = name:sub(-1), {}
for i,v in pairs(luatexja.jfont.jfm_feature) do
-- print(i,type(v),v)
t2[#t2+1] = (v==true) and i
or ((v==false) and ('-'..i) or (i..'='..tostring(v)))
end
table.sort(t2); jfm_spec = jfm_name .. '/{' .. table.concat(t2, ',') .. '}'
else
jfm_spec = jfm_name
end
l = name:sub(-1)
name = name .. ((l==':' or l==';') and '' or ';') .. 'jfm=' .. jfm_spec
if jfm_var~='' then
name = name .. ';jfmvar=' .. jfm_var
end
-- print('NN>', name)
end
jfm_ksp = (is_feature_specified(name,'ltjksp')~=false)
if jfm_dir == 'tate' then
vert_activated = (is_feature_specified(name,'vert')~=false) and (is_feature_specified(name,'vrt2')~=false)
auto_enable_vrt2
= (is_feature_specified(name,'vert')==nil) and (is_feature_specified(name,'vrt2')==nil)
else
vert_activated, auto_enable_vrt2 = nil, nil
end
return name
end
-- define_font callback
local otfl_fdr
local ltjr_font_callback = ltjr.font_callback
function luatexja.font_callback(name, size, id)
local new_name = is_def_jfont and extract_jfm_spec(name) or name
is_def_jfont = false
local res = ltjr_font_callback(new_name, size, id, otfl_fdr)
luatexbase.call_callback('luatexja.define_font', res, new_name, size, id)
-- this callback processes variation selector, so we execute it always
return res
end
luatexbase.create_callback('luatexja.define_font', 'simple', function (n) return n end)
otfl_fdr= luatexbase.remove_from_callback('define_font', 'luaotfload.define_font')
luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
local match, sp, scan_arg = string.match, tex.sp, token.scan_argument
local function load_jfmonly()
local spec, size = match(scan_arg(), '(.+)%s+at%s*([%.%w]*)')
local dir = scan_arg()
size = sp(size); extract_jfm_spec(spec)
jfm_dir = dir
local i = load_jfont_metric()
local j = -update_jfm_cache(i, size)
font_metric_table[j]=metrics[i].size_cache[size]
tex.sprint(cat_lp, '\\ltj@cur' .. (dir=='yoko' and 'j' or 't') .. 'fnt' .. tostring(j) .. '\\relax')
end
luatexja.jfont.load_jfmonly = load_jfmonly
end
------------------------------------------------------------------------
-- LATEX INTERFACE
------------------------------------------------------------------------
do
local scan_arg = token.scan_argument
-- these function are called from ltj-latex.sty
local fenc_list, kyenc_list, ktenc_list = {}, {}, {}
function luatexja.jfont.add_fenc_list() fenc_list[scan_arg()] = 'true ' end
function luatexja.jfont.add_kyenc_list() kyenc_list[scan_arg()] = 'true ' end
function luatexja.jfont.add_ktenc_list() ktenc_list[scan_arg()] = 'true ' end
function luatexja.jfont.is_kyenc()
tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (kyenc_list[scan_arg()] or 'false '))
end
function luatexja.jfont.is_ktenc()
tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (ktenc_list[scan_arg()] or 'false '))
end
function luatexja.jfont.is_kenc()
local enc = scan_arg()
tex.sprint(cat_lp, '\\let\\ifin@\\if'
.. (kyenc_list[enc] or ktenc_list[enc] or 'false '))
end
local kfam_list, Nkfam_list = {}, {}
function luatexja.jfont.add_kfam()
kfam_list[scan_arg()]=true
end
function luatexja.jfont.search_kfam()
local fam = scan_arg()
local use_fd = (scan_arg() =='true')
if kfam_list[fam] then
tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
elseif Nkfam_list[fam] then
tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
elseif use_fd then
for i,_ in pairs(kyenc_list) do
if kpse.find_file(string.lower(i)..fam..'.fd') then
tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
end
end
for i,_ in pairs(ktenc_list) do
if kpse.find_file(string.lower(i)..fam..'.fd') then
tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
end
end
Nkfam_list[fam]=true; tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
else
tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
end
end
local ffam_list, Nffam_list = {}, {}
function luatexja.jfont.is_ffam()
tex.sprint(cat_lp, '\\let\\ifin@\\if' .. (ffam_list[scan_arg()] or 'false '))
end
function luatexja.jfont.add_ffam()
ffam_list[scan_arg()]='true '
end
function luatexja.jfont.search_ffam_declared()
local s = ''
for i,_ in pairs(fenc_list) do
s = s .. '\\cdp@elt{' .. i .. '}'
end
tex.sprint(cat_lp, s)
end
function luatexja.jfont.search_ffam_fd()
local fam = scan_arg()
if Nffam_list[fam] then
tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
else
for i,_ in pairs(fenc_list) do
if kpse.find_file(string.lower(i)..fam..'.fd') then
tex.sprint(cat_lp, '\\let\\ifin@\\iftrue '); return
end
end
Nffam_list[fam]=true; tex.sprint(cat_lp, '\\let\\ifin@\\iffalse '); return
end
end
end
------------------------------------------------------------------------
-- ALTERNATE FONTS
------------------------------------------------------------------------
local alt_font_table = {}
local attr_curaltfnt = {}
local ucs_out = 0x110000
------ for TeX interface
-- EXT
function luatexja.jfont.set_alt_font(b,e,ind,bfnt)
-- ind: 新フォント, bfnt: 基底フォント
if b>e then b, e = e, b end
if b*e<=0 then
ltjb.package_error('luatexja',
'bad character range ([' .. b .. ',' .. e .. ']). ' ..
'I take the intersection with [0x80, 0x10ffff].')
b, e = math.max(0x80,b),math.min(ucs_out-1,e)
elseif e<0 then -- b<e<0
-- do nothing
elseif b<0x80 or e>=ucs_out then
ltjb.package_warning('luatexja',
'bad character range ([' .. b .. ',' .. e .. ']). ' ..
'I take the intersection with [0x80, 0x10ffff].')
b, e = math.max(0x80,b), math.min(ucs_out-1,e)
end
if not alt_font_table[bfnt] then alt_font_table[bfnt]={} end
local t = alt_font_table[bfnt]
local ac = font_getfont(ind).characters
if bfnt==ind then ind = nil end -- ind == bfnt の場合はテーブルから削除
if e>=0 then -- character range
for i=b, e do
if ac[i]then t[i]=ind end
end
else
b, e = -e, -b
local tx = font_metric_table[bfnt].chars
for i,v in pairs(tx) do
if b<=v and v<=e and ac[i] then t[i]=ind end
end
end
end
-- EXT
function luatexja.jfont.clear_alt_font(bfnt)
if alt_font_table[bfnt] then
local t = alt_font_table[bfnt]
for i,_ in pairs(t) do t[i]=nil; end
end
end
------ used in ltjp.suppress_hyphenate_ja callback
function luatexja.jfont.replace_altfont(pf, pc)
local a = alt_font_table[pf]
return a and a[pc] or pf
end
------ for LaTeX interface
local alt_font_table_latex = {}
-- EXT
function luatexja.jfont.clear_alt_font_latex(bbase)
local t = alt_font_table_latex[bbase]
if t then
for j,v in pairs(t) do t[j] = nil end
end
end
-- EXT
function luatexja.jfont.set_alt_font_latex(b,e,ind,bbase)
-- ind: Alt font の enc/fam/ser/shape, bbase: 基底フォントの enc/fam/ser/shape
if b>e then b, e = e, b end
if b*e<=0 then
ltjb.package_error('luatexja',
'bad character range ([' .. b .. ',' .. e .. ']). ' ..
'I take the intersection with [0x80, 0x10ffff].')
b, e = math.max(0x80,b),math.min(ucs_out-1,e)
elseif e<0 then -- b<e<0
-- do nothing
elseif b<0x80 or e>=ucs_out then
ltjb.package_warning('luatexja',
'bad character range ([' .. b .. ',' .. e .. ']). ' ..
'I take the intersection with [0x80, 0x10ffff].')
b, e = math.max(0x80,b), math.min(ucs_out-1,e)
end
if not alt_font_table_latex[bbase] then alt_font_table_latex[bbase]={} end
local t = alt_font_table_latex[bbase]
if not t[ind] then t[ind] = {} end
for i=b, e do
for j,v in pairs(t) do
if v[i] then -- remove old entry
if j~=ind then v[i]=nil end; break
end
end
t[ind][i]=true
end
-- remove the empty tables
for j,v in pairs(t) do
local flag_clear = true
for k,_ in pairs(v) do flag_clear = false; break end
if flag_clear then t[j]=nil end
end
if ind==bbase then t[bbase] = nil end
end
-- ここから先は 新 \selectfont の内部でしか実行されない
do
local scan_arg = token.scan_argument
local alt_font_base, alt_font_base_num
local aftl_base
-- EXT
function luatexja.jfont.does_alt_set()
aftl_base = alt_font_table_latex[scan_arg()]
tex.sprint(cat_lp, aftl_base and '\\@firstofone' or '\\@gobble')
end
-- EXT
function luatexja.jfont.print_aftl_address()
return ';ltjaltfont' .. tostring(aftl_base):sub(8)
end
-- EXT
function luatexja.jfont.output_alt_font_cmd(dir, bbase)
alt_font_base = bbase
alt_font_base_num = tex.getattribute((dir == 't') and attr_curtfnt or attr_curjfnt)
local t = alt_font_table[alt_font_base_num]
if t then
for i,_ in pairs(t) do t[i]=nil end
end
t = alt_font_table_latex[bbase]
if t then
for i,_ in pairs(t) do
tex.sprint(cat_lp, '\\ltj@pickup@altfont@aux' .. dir .. '{' .. i .. '}')
end
end
end
-- EXT
function luatexja.jfont.pickup_alt_font_a(size_str)
local t = alt_font_table_latex[alt_font_base]
if t then
for i,v in pairs(t) do
tex.sprint(cat_lp, '\\expandafter\\ltj@pickup@altfont@copy'
.. '\\csname ' .. i .. '/' .. size_str .. '\\endcsname{' .. i .. '}')
end
end
end
local function pickup_alt_font_class(class, afnt_num, afnt_chars)
local t = alt_font_table[alt_font_base_num]
local tx = font_metric_table[alt_font_base_num].chars
for i,v in pairs(tx) do
if v==class and afnt_chars[i] then t[i]=afnt_num end
end
end
-- EXT
function luatexja.jfont.pickup_alt_font_b(afnt_num, afnt_base)
local t = alt_font_table[alt_font_base_num]
local ac = font_getfont(afnt_num).characters
if not t then t = {}; alt_font_table[alt_font_base_num] = t end
for i,v in pairs(alt_font_table_latex[alt_font_base]) do
if i == afnt_base then
for j,_ in pairs(v) do
if j>=0 then
if ac[j] then t[j]=afnt_num end
else -- -n (n>=1) means that the character class n,
-- which is defined in the JFM
pickup_alt_font_class(-j, afnt_num, ac)
end
end
return
end
end
end
end
------------------------------------------------------------------------
-- 終了時に各種ノードを破棄
------------------------------------------------------------------------
do
function luatexja.jfont.cleanup_size_cache()
--local gs, ke = 0, 0
for _,n in pairs(metrics) do
for i,t in pairs(n.size_cache) do
for _,v in pairs(t.char_type) do
for k,w in pairs(v) do
if type(k)=='number' then
--if w[1] then gs = gs + 1 else ke = ke + 1 end
if w[1] then node_free(w[1]) end
end
end
end
n.size_cache[i]=nil
end
end
end
end
------------------------------------------------------------------------
-- 追加のフォント情報
------------------------------------------------------------------------
luatexja.jfont.font_extra_info = font_extra_info -- key: fontnumber
local font_extra_basename = {} -- key: basename
local list_rotate_glyphs
do
local ceil = math.ceil
-- output of function_uax50.lua
-- UAX#50 for Unicode 13.0.0
-- t[0] = true
local t={ 0, 167, 168, 169, 170, 174, 175, 177, 178, 188, 191, 215, 216, 247, 248, 746, 748, 888, 890, 896, 900, 907, 908, 909, 910, 930, 931, 1328, 1329, 1367, 1369, 1419, 1421, 1424, 1425, 1480, 1488, 1515, 1519, 1525, 1536, 1565, 1566, 1806, 1807, 1867, 1869, 1970, 1984, 2043, 2045, 2094, 2096, 2111, 2112, 2140, 2142, 2143, 2144, 2155, 2208, 2229, 2230, 2248, 2259, 2436, 2437, 2445, 2447, 2449, 2451, 2473, 2474, 2481, 2482, 2483, 2486, 2490, 2492, 2501, 2503, 2505, 2507, 2511, 2519, 2520, 2524, 2526, 2527, 2532, 2534, 2559, 2561, 2564, 2565, 2571, 2575, 2577, 2579, 2601, 2602, 2609, 2610, 2612, 2613, 2615, 2616, 2618, 2620, 2621, 2622, 2627, 2631, 2633, 2635, 2638, 2641, 2642, 2649, 2653, 2654, 2655, 2662, 2679, 2689, 2692, 2693, 2702, 2703, 2706, 2707, 2729, 2730, 2737, 2738, 2740, 2741, 2746, 2748, 2758, 2759, 2762, 2763, 2766, 2768, 2769, 2784, 2788, 2790, 2802, 2809, 2816, 2817, 2820, 2821, 2829, 2831, 2833, 2835, 2857, 2858, 2865, 2866, 2868, 2869, 2874, 2876, 2885, 2887, 2889, 2891, 2894, 2901, 2904, 2908, 2910, 2911, 2916, 2918, 2936, 2946, 2948, 2949, 2955, 2958, 2961, 2962, 2966, 2969, 2971, 2972, 2973, 2974, 2976, 2979, 2981, 2984, 2987, 2990, 3002, 3006, 3011, 3014, 3017, 3018, 3022, 3024, 3025, 3031, 3032, 3046, 3067, 3072, 3085, 3086, 3089, 3090, 3113, 3114, 3130, 3133, 3141, 3142, 3145, 3146, 3150, 3157, 3159, 3160, 3163, 3168, 3172, 3174, 3184, 3191, 3213, 3214, 3217, 3218, 3241, 3242, 3252, 3253, 3258, 3260, 3269, 3270, 3273, 3274, 3278, 3285, 3287, 3294, 3295, 3296, 3300, 3302, 3312, 3313, 3315, 3328, 3341, 3342, 3345, 3346, 3397, 3398, 3401, 3402, 3408, 3412, 3428, 3430, 3456, 3457, 3460, 3461, 3479, 3482, 3506, 3507, 3516, 3517, 3518, 3520, 3527, 3530, 3531, 3535, 3541, 3542, 3543, 3544, 3552, 3558, 3568, 3570, 3573, 3585, 3643, 3647, 3676, 3713, 3715, 3716, 3717, 3718, 3723, 3724, 3748, 3749, 3750, 3751, 3774, 3776, 3781, 3782, 3783, 3784, 3790, 3792, 3802, 3804, 3808, 3840, 3912, 3913, 3949, 3953, 3992, 3993, 4029, 4030, 4045, 4046, 4059, 4096, 4294, 4295, 4296, 4301, 4302, 4304, 4352, 4608, 4681, 4682, 4686, 4688, 4695, 4696, 4697, 4698, 4702, 4704, 4745, 4746, 4750, 4752, 4785, 4786, 4790, 4792, 4799, 4800, 4801, 4802, 4806, 4808, 4823, 4824, 4881, 4882, 4886, 4888, 4955, 4957, 4989, 4992, 5018, 5024, 5110, 5112, 5118, 5120, 5121, 5760, 5789, 5792, 5881, 5888, 5901, 5902, 5909, 5920, 5943, 5952, 5972, 5984, 5997, 5998, 6001, 6002, 6004, 6016, 6110, 6112, 6122, 6128, 6138, 6144, 6159, 6160, 6170, 6176, 6265, 6272, 6315, 6400, 6431, 6432, 6444, 6448, 6460, 6464, 6465, 6468, 6510, 6512, 6517, 6528, 6572, 6576, 6602, 6608, 6619, 6622, 6684, 6686, 6751, 6752, 6781, 6783, 6794, 6800, 6810, 6816, 6830, 6832, 6849, 6912, 6988, 6992, 7037, 7040, 7156, 7164, 7224, 7227, 7242, 7245, 7305, 7312, 7355, 7357, 7368, 7376, 7419, 7424, 7674, 7675, 7958, 7960, 7966, 7968, 8006, 8008, 8014, 8016, 8024, 8025, 8026, 8027, 8028, 8029, 8030, 8031, 8062, 8064, 8117, 8118, 8133, 8134, 8148, 8150, 8156, 8157, 8176, 8178, 8181, 8182, 8191, 8192, 8214, 8215, 8224, 8226, 8240, 8242, 8251, 8253, 8258, 8259, 8263, 8266, 8273, 8274, 8293, 8294, 8306, 8308, 8335, 8336, 8349, 8352, 8384, 8400, 8413, 8417, 8418, 8421, 8433, 8450, 8451, 8458, 8463, 8464, 8467, 8469, 8470, 8472, 8478, 8484, 8485, 8486, 8487, 8488, 8489, 8490, 8494, 8495, 8501, 8512, 8517, 8523, 8524, 8526, 8527, 8586, 8588, 8592, 8734, 8735, 8756, 8758, 8960, 8968, 8972, 8992, 8996, 9001, 9003, 9004, 9085, 9115, 9150, 9166, 9167, 9168, 9169, 9180, 9186, 9251, 9252, 9472, 9632, 9754, 9760, 10088, 10102, 10132, 11026, 11056, 11088, 11098, 11124, 11126, 11158, 11160, 11192, 11218, 11219, 11244, 11248, 11264, 11311, 11312, 11359, 11360, 11508, 11513, 11558, 11559, 11560, 11565, 11566, 11568, 11624, 11631, 11633, 11647, 11671, 11680, 11687, 11688, 11695, 11696, 11703, 11704, 11711, 11712, 11719, 11720, 11727, 11728, 11735, 11736, 11743, 11744, 11856, 11858, 11859, 12296, 12306, 12308, 12320, 12336, 12337, 12448, 12449, 12540, 12541, 42192, 42540, 42560, 42744, 42752, 42944, 42946, 42955, 42997, 43053, 43056, 43066, 43072, 43128, 43136, 43206, 43214, 43226, 43232, 43348, 43359, 43360, 43392, 43470, 43471, 43482, 43486, 43519, 43520, 43575, 43584, 43598, 43600, 43610, 43612, 43715, 43739, 43767, 43777, 43783, 43785, 43791, 43793, 43799, 43808, 43815, 43816, 43823, 43824, 43884, 43888, 44014, 44016, 44026, 55296, 57344, 64256, 64263, 64275, 64280, 64285, 64311, 64312, 64317, 64318, 64319, 64320, 64322, 64323, 64325, 64326, 64450, 64467, 64832, 64848, 64912, 64914, 64968, 65008, 65022, 65024, 65040, 65056, 65072, 65097, 65104, 65112, 65119, 65123, 65127, 65136, 65141, 65142, 65277, 65279, 65280, 65288, 65290, 65293, 65294, 65306, 65311, 65339, 65340, 65341, 65342, 65343, 65344, 65371, 65471, 65474, 65480, 65482, 65488, 65490, 65496, 65498, 65501, 65507, 65508, 65512, 65519, 65529, 65532, 65536, 65548, 65549, 65575, 65576, 65595, 65596, 65598, 65599, 65614, 65616, 65630, 65664, 65787, 65792, 65795, 65799, 65844, 65847, 65935, 65936, 65949, 65952, 65953, 66000, 66046, 66176, 66205, 66208, 66257, 66272, 66300, 66304, 66340, 66349, 66379, 66384, 66427, 66432, 66462, 66463, 66500, 66504, 66518, 66560, 66718, 66720, 66730, 66736, 66772, 66776, 66812, 66816, 66856, 66864, 66916, 66927, 66928, 67072, 67383, 67392, 67414, 67424, 67432, 67584, 67590, 67592, 67593, 67594, 67638, 67639, 67641, 67644, 67645, 67647, 67670, 67671, 67743, 67751, 67760, 67808, 67827, 67828, 67830, 67835, 67868, 67871, 67898, 67903, 67904, 68000, 68024, 68028, 68048, 68050, 68100, 68101, 68103, 68108, 68116, 68117, 68120, 68121, 68150, 68152, 68155, 68159, 68169, 68176, 68185, 68192, 68256, 68288, 68327, 68331, 68343, 68352, 68406, 68409, 68438, 68440, 68467, 68472, 68498, 68505, 68509, 68521, 68528, 68608, 68681, 68736, 68787, 68800, 68851, 68858, 68904, 68912, 68922, 69216, 69247, 69248, 69290, 69291, 69294, 69296, 69298, 69376, 69416, 69424, 69466, 69552, 69580, 69600, 69623, 69632, 69710, 69714, 69744, 69759, 69826, 69837, 69838, 69840, 69865, 69872, 69882, 69888, 69941, 69942, 69960, 69968, 70007, 70016, 70112, 70113, 70133, 70144, 70162, 70163, 70207, 70272, 70279, 70280, 70281, 70282, 70286, 70287, 70302, 70303, 70314, 70320, 70379, 70384, 70394, 70400, 70404, 70405, 70413, 70415, 70417, 70419, 70441, 70442, 70449, 70450, 70452, 70453, 70458, 70459, 70469, 70471, 70473, 70475, 70478, 70480, 70481, 70487, 70488, 70493, 70500, 70502, 70509, 70512, 70517, 70656, 70748, 70749, 70754, 70784, 70856, 70864, 70874, 71168, 71237, 71248, 71258, 71264, 71277, 71296, 71353, 71360, 71370, 71424, 71451, 71453, 71468, 71472, 71488, 71680, 71740, 71840, 71923, 71935, 71943, 71945, 71946, 71948, 71956, 71957, 71959, 71960, 71990, 71991, 71993, 71995, 72007, 72016, 72026, 72096, 72104, 72106, 72152, 72154, 72165, 72384, 72441, 72704, 72713, 72714, 72759, 72760, 72774, 72784, 72813, 72816, 72848, 72850, 72872, 72873, 72887, 72960, 72967, 72968, 72970, 72971, 73015, 73018, 73019, 73020, 73022, 73023, 73032, 73040, 73050, 73056, 73062, 73063, 73065, 73066, 73103, 73104, 73106, 73107, 73113, 73120, 73130, 73440, 73465, 73648, 73649, 73664, 73714, 73727, 74650, 74752, 74863, 74864, 74869, 74880, 75076, 92160, 92729, 92736, 92767, 92768, 92778, 92782, 92784, 92880, 92910, 92912, 92918, 92928, 92998, 93008, 93018, 93019, 93026, 93027, 93048, 93053, 93072, 93760, 93851, 93952, 94027, 94031, 94088, 94095, 94112, 113664, 113771, 113776, 113789, 113792, 113801, 113808, 113818, 113820, 113828, 119296, 119366, 119808, 119893, 119894, 119965, 119966, 119968, 119970, 119971, 119973, 119975, 119977, 119981, 119982, 119994, 119995, 119996, 119997, 120004, 120005, 120070, 120071, 120075, 120077, 120085, 120086, 120093, 120094, 120122, 120123, 120127, 120128, 120133, 120134, 120135, 120138, 120145, 120146, 120486, 120488, 120780, 120782, 120832, 122880, 122887, 122888, 122905, 122907, 122914, 122915, 122917, 122918, 122923, 123136, 123181, 123184, 123198, 123200, 123210, 123214, 123216, 123584, 123642, 123647, 123648, 124928, 125125, 125127, 125143, 125184, 125260, 125264, 125274, 125278, 125280, 126065, 126133, 126209, 126270, 126464, 126468, 126469, 126496, 126497, 126499, 126500, 126501, 126503, 126504, 126505, 126515, 126516, 126520, 126521, 126522, 126523, 126524, 126530, 126531, 126535, 126536, 126537, 126538, 126539, 126540, 126541, 126544, 126545, 126547, 126548, 126549, 126551, 126552, 126553, 126554, 126555, 126556, 126557, 126558, 126559, 126560, 126561, 126563, 126564, 126565, 126567, 126571, 126572, 126579, 126580, 126584, 126585, 126589, 126590, 126591, 126592, 126602, 126603, 126620, 126625, 126628, 126629, 126634, 126635, 126652, 126704, 126706, 129024, 129036, 129040, 129096, 129104, 129114, 129120, 129160, 129168, 129198, 129200, 129202, 129792, 129939, 129940, 129995, 130032, 130042, 917505, 917506, 917536, 917632, 917760, 918000 }
local function rotate_in_uax50(i)
local lo, hi = 1, #t
while lo < hi do
local mi = ceil((lo+hi)/2)
if t[mi]<=i then lo=mi else hi=mi-1 end
end
return lo%2==1
end
local function list_rorate_dup (i, v, dest)
local f = dest[i]
if not f then
for j,_ in pairs(v) do if dest[j] then f=true; break end end
end
dest[i]=f; for j,_ in pairs(v) do dest[j]=f end
end
list_rotate_glyphs = function (tfmdata, dest)
local rot = {}
for i,_ in pairs(tfmdata.characters) do
if rotate_in_uax50(i) then rot[i] = true end
end
-- ↓「TeX Live 2019のLuaLaTeXで縦書きの三点リーダーが横書きになる」
-- (https://oku.edu.mie-u.ac.jp/tex/mod/forum/discuss.php?d=2722) により無効化
-- -- 同じグリフが複数の Unicode ポイントを持っている場合.
-- -- いずれかの Unicode ポイントで rot = true ならば全体で rotate
--ltju.loop_over_duplicates(tfmdata,
-- function (i, v)
-- local f = rot[i]
-- if not f then
-- for j,_ in pairs(v) do if rot[j] then f=true; break end end
-- end
-- rot[i]=f; for j,_ in pairs(v) do rot[j]=f end
-- end)
for i,_ in pairs(rot) do
dest = dest or {}; dest.rotation = dest.rotation or {}
dest.rotation[i] = true
end
return dest
end
end
do
local cache_ver = 23
local nameonly, lower = file.nameonly, string.lower
local lfs = require"lfs"
local file_attributes = lfs.attributes
local load_cache, save_cache = ltjb.load_cache, ltjb.save_cache
local function prepare_extra_data_base(tfmdata)
if (not tfmdata) or (not tfmdata.filename) then return end
local bname = tfmdata.psname or nameonly(tfmdata.filename)
if not font_extra_basename[bname] then
-- if the cache is present, read it
--
local newtime = file_attributes(tfmdata.filename,"modification")
local v = "extra_" .. string.lower(bname)
local dest = load_cache(
v,
function (t)
return (t.lotf_version~=luaotfload.version)
or (t.version~=cache_ver) or (t.modtime~=newtime)
end
)
-- if the cache is not found or outdated, save the cache
if dest then
font_extra_basename[bname] = dest[1] or {}
local vheight, vorigin = dest[1].vheight, dest[1].vorigin
local vhd, vod = vheight.default, vorigin.default
setmetatable(vheight, {__index = function () return vhd end } )
setmetatable(vorigin, {__index = function () return vod end } )
else
local dest = ltju.get_vmet_table(tfmdata, nil)
dest = list_rotate_glyphs(tfmdata, dest)
font_extra_basename[bname] = dest or {}
save_cache(v,
{ modtime = newtime,
version = cache_ver,
lotf_version = luaotfload.version,
dest,
})
end
return bname
end
end
local dummytable = { } -- dummy
local dtvo, dtvh = {}, {}
setmetatable(dtvo, {__index = function () return 0.88 end } )
setmetatable(dtvh, {__index = function () return 1 end } )
ltjr.vert_addfunc = function(id, s)
if not dummytable.rotation then
dummytable = list_rotate_glyphs(s, dummytable)
dummytable.vorigin, dummytable.vheight = dtvo, dtvh
end
end
local function prepare_extra_data_font(id, res)
if type(res)=='table' and (res.psname or res.filename) then
local bname = res.psname or nameonly(res.filename)
local t = font_extra_basename[bname]
if not t then bname = prepare_extra_data_base(res) end
font_extra_info[id] = bname and (t or font_extra_basename[bname]) or dummytable
end
end
luatexbase.add_to_callback(
'luaotfload.patch_font',
function (tfmdata)
-- these function is executed one time per one fontfile
prepare_extra_data_base(tfmdata); return tfmdata
end,
'ltj.prepare_extra_data', 1)
luatexbase.add_to_callback(
'luatexja.define_font',
function (res, name, size, id)
prepare_extra_data_font(id, res)
end,
'ltj.prepare_extra_data', 1)
for i=1,font.nextid()-1 do
local t = font.getfont(i)
if t then
prepare_extra_data_base(t)
prepare_extra_data_font(i,t)
end
end
end
------------------------------------------------------------------------
-- make table of vertical glyphs which does not covered by vert feature
-- nor UTR#50
------------------------------------------------------------------------
do
------------------------------------------------------------------------
-- VERT VARIANT TABLE
------------------------------------------------------------------------
local provides_feature = luaotfload.aux.provides_feature
local vert_form_table = {
[0x3001]=0xFE11, [0x3002]=0xFE12, [0x3016]=0xFE17, [0x3017]=0xFE18,
[0x2026]=0xFE19,
[0x2025]=0xFE30, [0x2014]=0xFE31, [0x2013]=0xFE32, [0xFF3F]=0xFE33,
[0xFF08]=0xFE35, [0xFF09]=0xFE36, [0xFF5B]=0xFE37, [0xFF5D]=0xFE38,
[0x3014]=0xFE39, [0x3015]=0xFE3A, [0x3010]=0xFE3B, [0x3011]=0xFE3C,
[0x300A]=0xFE3D, [0x300B]=0xFE3E, [0x3008]=0xFE3F, [0x3009]=0xFE40,
[0x300C]=0xFE41, [0x300D]=0xFE42, [0x300E]=0xFE43, [0x300F]=0xFE44,
[0xFF3B]=0xFE47, [0xFF3D]=0xFE48,
}
local vert_jpotf_table, vert_feat = {}, {vert=true}
local utfbyte, utfsub = utf.byte, utf.sub
luatexja.jfont.register_vert_replace = function(t)
for i,v in pairs(t) do
local ic = (type(i)=='number') and i or
((type(i)=='string') and utfbyte(utfsub(i,1,1)) or nil)
if ic then
vert_jpotf_table[ic] = (type(v)=='number') and v or
((type(v)=='string') and utfbyte(utfsub(v,1,1)) or nil)
end
end
end
luatexbase.add_to_callback(
"luatexja.define_jfont",
function (fmtable, fnum)
local vform = {}; fmtable.vform = vform
local t = font_getfont(fnum)
if not t then return fmtable end
for i,v in pairs(vert_form_table) do
if t.characters[v] then vform[i] = v end
end
if ltju.specified_feature(fnum, 'jpotf') then
for i,v in pairs(vert_jpotf_table) do
if t.characters[v] then vform[i] = vform[v] or v end
end
end
if not ltju.exist_feature(fnum, 'vert') and not ltju.exist_feature(fnum, 'vrt2') then
-- 現在の (script, lang) で vert もvrt2 も有効にできない場合,
-- 全 (script,lang) の vert を強制的に適用
ltju.loop_over_feat(t, vert_feat, function (i,k) vform[i] = vform[i] or k end, true)
end
-- vform の中身を vert 適用結果に変える
ltju.loop_over_feat(t, vert_feat,
function (i,k)
for j,w in pairs(vform) do
if (i==j)and(w==k) then vform[j]=nil elseif w==i then vform[j] = k end
end
end)
return fmtable
end, 'ltj.get_vert_form', 1
)
end
------------------------------------------------------------------------
-- supply tounicode entries
------------------------------------------------------------------------
do
local ltjr_prepare_cid_font = ltjr.prepare_cid_font
luatexbase.add_to_callback(
'luaotfload.patch_font',
function (tfmdata)
local cidinfo = tfmdata.cidinfo or (tfmdata.resource and tfmdata.resources.cidinfo)
if cidinfo and cidinfo.registry and cidinfo.ordering then
local rd = ltjr_prepare_cid_font(cidinfo.registry, cidinfo.ordering)
if rd then
local ru = rd.resources.unicodes -- defined by LuaTeX-ja
local rc = rd.characters
for i,v in pairs(tfmdata.characters) do
local w = ru[cidinfo.ordering .. "." .. tostring(v.index)]
if w then
v.tounicode = v.tounicode or rc[w]. tounicode
end
end
end
end
return tfmdata
end,
'ltj.supply_tounicode', 1)
end
------------------------------------------------------------------------
-- MISC
------------------------------------------------------------------------
do
local getfont = node.direct.getfont
local getchar = node.direct.getchar
local get_dir_count = ltjd.get_dir_count
local is_ucs_in_japanese_char = ltjc.is_ucs_in_japanese_char_direct
local ensure_tex_attr = ltjb.ensure_tex_attr
local node_write = node.direct.write
local font = font
local new_ic_kern = function(g) return node_new(id_kern,3) end
local dir_tate = luatexja.dir_table.dir_tate
-- EXT: italic correction
function luatexja.jfont.append_italic()
local p = to_direct(tex.nest[tex.nest.ptr].tail)
local TEMP = node_new(id_kern)
if p and getid(p)==id_glyph then
if is_ucs_in_japanese_char(p) then
local j = font_metric_table[
has_attr(p, (get_dir_count()==dir_tate) and attr_curtfnt or attr_curjfnt)
]
local g = new_ic_kern()
setfield(g, 'kern', j.char_type[find_char_class(getchar(p), j)].italic)
node_write(g); ensure_tex_attr(attr_icflag, 0)
else
local f = getfont(p)
local h = font_getfont(f) or font.fonts[f]
if h then
local g = new_ic_kern()
if h.characters[getchar(p)] and h.characters[getchar(p)].italic then
setfield(g, 'kern', h.characters[getchar(p)].italic)
node_write(g); ensure_tex_attr(attr_icflag, 0)
end
end
end
end
node_free(TEMP)
end
end
luatexja.jfont.metrics = metrics
luatexja.jfont.font_metric_table = font_metric_table
luatexja.jfont.find_char_class = find_char_class
luatexja.jfont.update_jfm_cache = update_jfm_cache
|