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
|
if not modules then modules = { } end modules ['math-map'] = {
version = 1.001,
comment = "companion to math-ini.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
--[[ldx--
<p>Remapping mathematics alphabets.</p>
--ldx]]--
-- oldstyle: not really mathematics but happened to be part of
-- the mathematics fonts in cmr
--
-- persian: we will also provide mappers for other
-- scripts
-- todo: alphabets namespace
-- maybe: script/scriptscript dynamic,
local type, next = type, next
local floor, div = math.floor, math.div
local allocate = utilities.storage.allocate
local texattribute = tex.attribute
local trace_greek = false trackers.register("math.greek", function(v) trace_greek = v end)
local report_math = logs.new("mathematics")
mathematics = mathematics or { }
local mathematics = mathematics
-- we could use one level less and have tf etc be tables directly but the
-- following approach permits easier remapping of a-a, A-Z and 0-9 to
-- fallbacks; symbols is currently mostly greek
mathematics.alphabets = allocate {
regular = {
tf = {
digits = 0x00030,
ucletters = 0x00041,
lcletters = 0x00061,
ucgreek = {
[0x0391]=0x0391, [0x0392]=0x0392, [0x0393]=0x0393, [0x0394]=0x0394, [0x0395]=0x0395,
[0x0396]=0x0396, [0x0397]=0x0397, [0x0398]=0x0398, [0x0399]=0x0399, [0x039A]=0x039A,
[0x039B]=0x039B, [0x039C]=0x039C, [0x039D]=0x039D, [0x039E]=0x039E, [0x039F]=0x039F,
[0x03A0]=0x03A0, [0x03A1]=0x03A1, [0x03A3]=0x03A3, [0x03A4]=0x03A4, [0x03A5]=0x03A5,
[0x03A6]=0x03A6, [0x03A7]=0x03A7, [0x03A8]=0x03A8, [0x03A9]=0x03A9,
},
lcgreek = {
[0x03B1]=0x03B1, [0x03B2]=0x03B2, [0x03B3]=0x03B3, [0x03B4]=0x03B4, [0x03B5]=0x03B5,
[0x03B6]=0x03B6, [0x03B7]=0x03B7, [0x03B8]=0x03B8, [0x03B9]=0x03B9, [0x03BA]=0x03BA,
[0x03BB]=0x03BB, [0x03BC]=0x03BC, [0x03BD]=0x03BD, [0x03BE]=0x03BE, [0x03BF]=0x03BF,
[0x03C0]=0x03C0, [0x03C1]=0x03C1, [0x03C2]=0x03C2, [0x03C3]=0x03C3, [0x03C4]=0x03C4,
[0x03C5]=0x03C5, [0x03C6]=0x03C6, [0x03C7]=0x03C7, [0x03C8]=0x03C8, [0x03C9]=0x03C9,
[0x03D1]=0x03D1, [0x03D5]=0x03D5, [0x03D6]=0x03D6, [0x03F0]=0x03F0, [0x03F1]=0x03F1,
[0x03F4]=0x03F4, [0x03F5]=0x03F5,
},
symbols = {
[0x2202]=0x2202, [0x2207]=0x2207,
},
},
it = {
ucletters = 0x1D434,
lcletters = { -- H
[0x00061]=0x1D44E, [0x00062]=0x1D44F, [0x00063]=0x1D450, [0x00064]=0x1D451, [0x00065]=0x1D452,
[0x00066]=0x1D453, [0x00067]=0x1D454, [0x00068]=0x0210E, [0x00069]=0x1D456, [0x0006A]=0x1D457,
[0x0006B]=0x1D458, [0x0006C]=0x1D459, [0x0006D]=0x1D45A, [0x0006E]=0x1D45B, [0x0006F]=0x1D45C,
[0x00070]=0x1D45D, [0x00071]=0x1D45E, [0x00072]=0x1D45F, [0x00073]=0x1D460, [0x00074]=0x1D461,
[0x00075]=0x1D462, [0x00076]=0x1D463, [0x00077]=0x1D464, [0x00078]=0x1D465, [0x00079]=0x1D466,
[0x0007A]=0x1D467,
},
ucgreek = {
[0x0391]=0x1D6E2, [0x0392]=0x1D6E3, [0x0393]=0x1D6E4, [0x0394]=0x1D6E5, [0x0395]=0x1D6E6,
[0x0396]=0x1D6E7, [0x0397]=0x1D6E8, [0x0398]=0x1D6E9, [0x0399]=0x1D6EA, [0x039A]=0x1D6EB,
[0x039B]=0x1D6EC, [0x039C]=0x1D6ED, [0x039D]=0x1D6EE, [0x039E]=0x1D6EF, [0x039F]=0x1D6F0,
[0x03A0]=0x1D6F1, [0x03A1]=0x1D6F2, [0x03A3]=0x1D6F4, [0x03A4]=0x1D6F5, [0x03A5]=0x1D6F6,
[0x03A6]=0x1D6F7, [0x03A7]=0x1D6F8, [0x03A8]=0x1D6F9, [0x03A9]=0x1D6FA,
},
lcgreek = {
[0x03B1]=0x1D6FC, [0x03B2]=0x1D6FD, [0x03B3]=0x1D6FE, [0x03B4]=0x1D6FF, [0x03B5]=0x1D700,
[0x03B6]=0x1D701, [0x03B7]=0x1D702, [0x03B8]=0x1D703, [0x03B9]=0x1D704, [0x03BA]=0x1D705,
[0x03BB]=0x1D706, [0x03BC]=0x1D707, [0x03BD]=0x1D708, [0x03BE]=0x1D709, [0x03BF]=0x1D70A,
[0x03C0]=0x1D70B, [0x03C1]=0x1D70C, [0x03C2]=0x1D70D, [0x03C3]=0x1D70E, [0x03C4]=0x1D70F,
[0x03C5]=0x1D710, [0x03C6]=0x1D711, [0x03C7]=0x1D712, [0x03C8]=0x1D713, [0x03C9]=0x1D714,
[0x03D1]=0x1D717, [0x03D5]=0x1D719, [0x03D6]=0x1D71B, [0x03F0]=0x1D718, [0x03F1]=0x1D71A,
[0x03F4]=0x1D6F3, [0x03F5]=0x1D716,
},
symbols = {
[0x2202]=0x1D715, [0x2207]=0x1D6FB,
},
},
bf= {
digits = 0x1D7CE,
ucletters = 0x1D400,
lcletters = 0x1D41A,
ucgreek = {
[0x0391]=0x1D6A8, [0x0392]=0x1D6A9, [0x0393]=0x1D6AA, [0x0394]=0x1D6AB, [0x0395]=0x1D6AC,
[0x0396]=0x1D6AD, [0x0397]=0x1D6AE, [0x0398]=0x1D6AF, [0x0399]=0x1D6B0, [0x039A]=0x1D6B1,
[0x039B]=0x1D6B2, [0x039C]=0x1D6B3, [0x039D]=0x1D6B4, [0x039E]=0x1D6B5, [0x039F]=0x1D6B6,
[0x03A0]=0x1D6B7, [0x03A1]=0x1D6B8, [0x03A3]=0x1D6BA, [0x03A4]=0x1D6BB, [0x03A5]=0x1D6BC,
[0x03A6]=0x1D6BD, [0x03A7]=0x1D6BE, [0x03A8]=0x1D6BF, [0x03A9]=0x1D6C0,
},
lcgreek = {
[0x03B1]=0x1D6C2, [0x03B2]=0x1D6C3, [0x03B3]=0x1D6C4, [0x03B4]=0x1D6C5, [0x03B5]=0x1D6C6,
[0x03B6]=0x1D6C7, [0x03B7]=0x1D6C8, [0x03B8]=0x1D6C9, [0x03B9]=0x1D6CA, [0x03BA]=0x1D6CB,
[0x03BB]=0x1D6CC, [0x03BC]=0x1D6CD, [0x03BD]=0x1D6CE, [0x03BE]=0x1D6CF, [0x03BF]=0x1D6D0,
[0x03C0]=0x1D6D1, [0x03C1]=0x1D6D2, [0x03C2]=0x1D6D3, [0x03C3]=0x1D6D4, [0x03C4]=0x1D6D5,
[0x03C5]=0x1D6D6, [0x03C6]=0x1D6D7, [0x03C7]=0x1D6D8, [0x03C8]=0x1D6D9, [0x03C9]=0x1D6DA,
[0x03D1]=0x1D6DD, [0x03D5]=0x1D6DF, [0x03D6]=0x1D6E1, [0x03F0]=0x1D6DE, [0x03F1]=0x1D6E0,
[0x03F4]=0x1D6B9, [0x03F5]=0x1D6DC,
},
symbols = {
[0x2202]=0x1D6DB, [0x2207]=0x1D6C1,
},
},
bi = {
ucletters = 0x1D468,
lcletters = 0x1D482,
ucgreek = {
[0x0391]=0x1D71C, [0x0392]=0x1D71D, [0x0393]=0x1D71E, [0x0394]=0x1D71F, [0x0395]=0x1D720,
[0x0396]=0x1D721, [0x0397]=0x1D722, [0x0398]=0x1D723, [0x0399]=0x1D724, [0x039A]=0x1D725,
[0x039B]=0x1D726, [0x039C]=0x1D727, [0x039D]=0x1D728, [0x039E]=0x1D729, [0x039F]=0x1D72A,
[0x03A0]=0x1D72B, [0x03A1]=0x1D72C, [0x03A3]=0x1D72E, [0x03A4]=0x1D72F, [0x03A5]=0x1D730,
[0x03A6]=0x1D731, [0x03A7]=0x1D732, [0x03A8]=0x1D733, [0x03A9]=0x1D734,
},
lcgreek = {
[0x03B1]=0x1D736, [0x03B2]=0x1D737, [0x03B3]=0x1D738, [0x03B4]=0x1D739, [0x03B5]=0x1D73A,
[0x03B6]=0x1D73B, [0x03B7]=0x1D73C, [0x03B8]=0x1D73D, [0x03B9]=0x1D73E, [0x03BA]=0x1D73F,
[0x03BB]=0x1D740, [0x03BC]=0x1D741, [0x03BD]=0x1D742, [0x03BE]=0x1D743, [0x03BF]=0x1D744,
[0x03C0]=0x1D745, [0x03C1]=0x1D746, [0x03C2]=0x1D747, [0x03C3]=0x1D748, [0x03C4]=0x1D749,
[0x03C5]=0x1D74A, [0x03C6]=0x1D74B, [0x03C7]=0x1D74C, [0x03C8]=0x1D74D, [0x03C9]=0x1D74E,
[0x03D1]=0x1D751, [0x03D5]=0x1D753, [0x03D6]=0x1D755, [0x03F0]=0x1D752, [0x03F1]=0x1D754,
[0x03F4]=0x1D72D, [0x03F5]=0x1D750,
},
symbols = {
[0x2202]=0x1D74F, [0x2207]=0x1D735,
},
},
},
sansserif = {
tf = {
digits = 0x1D7E2,
ucletters = 0x1D5A0,
lcletters = 0x1D5BA,
},
it = {
ucletters = 0x1D608,
lcletters = 0x1D622,
},
bf = {
digits = 0x1D7EC,
ucletters = 0x1D5D4,
lcletters = 0x1D5EE,
ucgreek = {
[0x0391]=0x1D756, [0x0392]=0x1D757, [0x0393]=0x1D758, [0x0394]=0x1D759, [0x0395]=0x1D75A,
[0x0396]=0x1D75B, [0x0397]=0x1D75C, [0x0398]=0x1D75D, [0x0399]=0x1D75E, [0x039A]=0x1D75F,
[0x039B]=0x1D760, [0x039C]=0x1D761, [0x039D]=0x1D762, [0x039E]=0x1D763, [0x039F]=0x1D764,
[0x03A0]=0x1D765, [0x03A1]=0x1D766, [0x03A3]=0x1D768, [0x03A4]=0x1D769, [0x03A5]=0x1D76A,
[0x03A6]=0x1D76B, [0x03A7]=0x1D76C, [0x03A8]=0x1D76D, [0x03A9]=0x1D76E,
},
lcgreek = {
[0x03B1]=0x1D770, [0x03B2]=0x1D771, [0x03B3]=0x1D772, [0x03B4]=0x1D773, [0x03B5]=0x1D774,
[0x03B6]=0x1D775, [0x03B7]=0x1D776, [0x03B8]=0x1D777, [0x03B9]=0x1D778, [0x03BA]=0x1D779,
[0x03BB]=0x1D77A, [0x03BC]=0x1D77B, [0x03BD]=0x1D77C, [0x03BE]=0x1D77D, [0x03BF]=0x1D77E,
[0x03C0]=0x1D77F, [0x03C1]=0x1D780, [0x03C2]=0x1D781, [0x03C3]=0x1D782, [0x03C4]=0x1D783,
[0x03C5]=0x1D784, [0x03C6]=0x1D785, [0x03C7]=0x1D786, [0x03C8]=0x1D787, [0x03C9]=0x1D788,
[0x03D1]=0x1D78B, [0x03D5]=0x1D78D, [0x03D6]=0x1D78F, [0x03F0]=0x1D78C, [0x03F1]=0x1D78E,
[0x03F4]=0x1D767, [0x03F5]=0x1D78A,
},
symbols = {
[0x2202]=0x1D789, [0x2207]=0x1D76F,
},
},
bi = {
ucletters = 0x1D63C,
lcletters = 0x1D656,
ucgreek = {
[0x0391]=0x1D790, [0x0392]=0x1D791, [0x0393]=0x1D792, [0x0394]=0x1D793, [0x0395]=0x1D794,
[0x0396]=0x1D795, [0x0397]=0x1D796, [0x0398]=0x1D797, [0x0399]=0x1D798, [0x039A]=0x1D799,
[0x039B]=0x1D79A, [0x039C]=0x1D79B, [0x039D]=0x1D79C, [0x039E]=0x1D79D, [0x039F]=0x1D79E,
[0x03A0]=0x1D79F, [0x03A1]=0x1D7A0, [0x03A3]=0x1D7A2, [0x03A4]=0x1D7A3, [0x03A5]=0x1D7A4,
[0x03A6]=0x1D7A5, [0x03A7]=0x1D7A6, [0x03A8]=0x1D7A7, [0x03A9]=0x1D7A8,
},
lcgreek = {
[0x03B1]=0x1D7AA, [0x03B2]=0x1D7AB, [0x03B3]=0x1D7AC, [0x03B4]=0x1D7AD, [0x03B5]=0x1D7AE,
[0x03B6]=0x1D7AF, [0x03B7]=0x1D7B0, [0x03B8]=0x1D7B1, [0x03B9]=0x1D7B2, [0x03BA]=0x1D7B3,
[0x03BB]=0x1D7B4, [0x03BC]=0x1D7B5, [0x03BD]=0x1D7B6, [0x03BE]=0x1D7B7, [0x03BF]=0x1D7B8,
[0x03C0]=0x1D7B9, [0x03C1]=0x1D7BA, [0x03C2]=0x1D7BB, [0x03C3]=0x1D7BC, [0x03C4]=0x1D7BD,
[0x03C5]=0x1D7BE, [0x03C6]=0x1D7BF, [0x03C7]=0x1D7C0, [0x03C8]=0x1D7C1, [0x03C9]=0x1D7C2,
[0x03D1]=0x1D7C5, [0x03D5]=0x1D7C7, [0x03D6]=0x1D7C9, [0x03F0]=0x1D7C6, [0x03F1]=0x1D7C8,
[0x03F4]=0x1D7A1, [0x03F5]=0x1D7C4,
},
symbols = {
[0x2202]=0x1D7C3, [0x2207]=0x1D7A9,
},
},
},
monospaced = {
tf = {
digits = 0x1D7F6,
ucletters = 0x1D670,
lcletters = 0x1D68A,
},
},
blackboard = { -- ok
tf = {
digits = 0x1D7D8,
ucletters = { -- C H N P Q R Z
[0x00041]=0x1D538, [0x00042]=0x1D539, [0x00043]=0x02102, [0x00044]=0x1D53B, [0x00045]=0x1D53C,
[0x00046]=0x1D53D, [0x00047]=0x1D53E, [0x00048]=0x0210D, [0x00049]=0x1D540, [0x0004A]=0x1D541,
[0x0004B]=0x1D542, [0x0004C]=0x1D543, [0x0004D]=0x1D544, [0x0004E]=0x02115, [0x0004F]=0x1D546,
[0x00050]=0x02119, [0x00051]=0x0211A, [0x00052]=0x0211D, [0x00053]=0x1D54A, [0x00054]=0x1D54B,
[0x00055]=0x1D54C, [0x00056]=0x1D54D, [0x00057]=0x1D54E, [0x00058]=0x1D54F, [0x00059]=0x1D550,
[0x0005A]=0x02124,
},
lcletters = 0x1D552,
lcgreek = { -- gamma pi
[0x03B3]=0x0213C, [0x03C0]=0x0213D,
},
ucgreek = { -- Gamma pi
[0x0393]=0x0213E, [0x03A0]=0x0213F,
},
symbols = { -- sum
[0x2211]=0x02140,
},
},
},
fraktur = { -- ok
tf= {
ucletters = { -- C H I R Z
[0x00041]=0x1D504, [0x00042]=0x1D505, [0x00043]=0x0212D, [0x00044]=0x1D507, [0x00045]=0x1D508,
[0x00046]=0x1D509, [0x00047]=0x1D50A, [0x00048]=0x0210C, [0x00049]=0x02111, [0x0004A]=0x1D50D,
[0x0004B]=0x1D50E, [0x0004C]=0x1D50F, [0x0004D]=0x1D510, [0x0004E]=0x1D511, [0x0004F]=0x1D512,
[0x00050]=0x1D513, [0x00051]=0x1D514, [0x00052]=0x0211C, [0x00053]=0x1D516, [0x00054]=0x1D517,
[0x00055]=0x1D518, [0x00056]=0x1D519, [0x00057]=0x1D51A, [0x00058]=0x1D51B, [0x00059]=0x1D51C,
[0x0005A]=0x02128,
},
lcletters = 0x1D51E,
},
bf = {
ucletters = 0x1D56C,
lcletters = 0x1D586,
},
},
script = {
tf= {
ucletters = { -- B E F H I L M R -- P 2118
[0x00041]=0x1D49C, [0x00042]=0x0212C, [0x00043]=0x1D49E, [0x00044]=0x1D49F, [0x00045]=0x02130,
[0x00046]=0x02131, [0x00047]=0x1D4A2, [0x00048]=0x0210B, [0x00049]=0x02110, [0x0004A]=0x1D4A5,
[0x0004B]=0x1D4A6, [0x0004C]=0x02112, [0x0004D]=0x02133, [0x0004E]=0x1D4A9, [0x0004F]=0x1D4AA,
[0x00050]=0x1D4AB, [0x00051]=0x1D4AC, [0x00052]=0x0211B, [0x00053]=0x1D4AE, [0x00054]=0x1D4AF,
[0x00055]=0x1D4B0, [0x00056]=0x1D4B1, [0x00057]=0x1D4B2, [0x00058]=0x1D4B3, [0x00059]=0x1D4B4,
[0x0005A]=0x1D4B5,
},
lcletters = { -- E G O -- L 2113
[0x00061]=0x1D4B6, [0x00062]=0x1D4B7, [0x00063]=0x1D4B8, [0x00064]=0x1D4B9, [0x00065]=0x0212F,
[0x00066]=0x1D4BB, [0x00067]=0x0210A, [0x00068]=0x1D4BD, [0x00069]=0x1D4BE, [0x0006A]=0x1D4BF,
[0x0006B]=0x1D4C0, [0x0006C]=0x1D4C1, [0x0006D]=0x1D4C2, [0x0006E]=0x1D4C3, [0x0006F]=0x02134,
[0x00070]=0x1D4C5, [0x00071]=0x1D4C6, [0x00072]=0x1D4C7, [0x00073]=0x1D4C8, [0x00074]=0x1D4C9,
[0x00075]=0x1D4CA, [0x00076]=0x1D4CB, [0x00077]=0x1D4CC, [0x00078]=0x1D4CD, [0x00079]=0x1D4CE,
[0x0007A]=0x1D4CF,
}
},
bf = {
ucletters = 0x1D4D0,
lcletters = 0x1D4EA,
},
},
}
local alphabets = mathematics.alphabets
local mathremap = { }
for alphabet, styles in next, alphabets do
for style, data in next, styles do
-- let's keep the long names (for tracing)
local n = #mathremap + 1
data.attribute = n
data.alphabet = alphabet
data.style = style
mathremap[n] = data
end
end
-- beware, these are shared tables (no problem since they're not
-- in unicode)
alphabets.regular.it.digits = alphabets.regular.tf.digits
alphabets.regular.bi.digits = alphabets.regular.bf.digits
alphabets.sansserif.tf.symbols = alphabets.regular.tf.symbols
alphabets.sansserif.tf.lcgreek = alphabets.regular.tf.lcgreek
alphabets.sansserif.tf.ucgreek = alphabets.regular.tf.ucgreek
alphabets.sansserif.tf.digits = alphabets.regular.tf.digits
alphabets.sansserif.it.symbols = alphabets.regular.tf.symbols
alphabets.sansserif.it.lcgreek = alphabets.regular.tf.lcgreek
alphabets.sansserif.it.ucgreek = alphabets.regular.tf.ucgreek
alphabets.sansserif.bi.digits = alphabets.regular.bf.digits
alphabets.monospaced.tf.symbols = alphabets.sansserif.tf.symbols
alphabets.monospaced.tf.lcgreek = alphabets.sansserif.tf.lcgreek
alphabets.monospaced.tf.ucgreek = alphabets.sansserif.tf.ucgreek
alphabets.monospaced.it = alphabets.sansserif.tf
alphabets.monospaced.bf = alphabets.sansserif.tf
alphabets.monospaced.bi = alphabets.sansserif.bf
alphabets.blackboard.tf.symbols = table.merged(alphabets.regular.tf.symbols, alphabets.blackboard.tf.symbols)
alphabets.blackboard.tf.lcgreek = table.merged(alphabets.regular.tf.lcgreek, alphabets.blackboard.tf.lcgreek)
alphabets.blackboard.tf.ucgreek = table.merged(alphabets.regular.tf.ucgreek, alphabets.blackboard.tf.ucgreek)
alphabets.blackboard.it = alphabets.blackboard.tf
alphabets.blackboard.bf = alphabets.blackboard.tf
alphabets.blackboard.bi = alphabets.blackboard.bf
alphabets.fraktur.tf.digits = alphabets.regular.tf.digits
alphabets.fraktur.tf.symbols = alphabets.regular.tf.symbols
alphabets.fraktur.tf.lcgreek = alphabets.regular.tf.lcgreek
alphabets.fraktur.tf.ucgreek = alphabets.regular.tf.ucgreek
alphabets.fraktur.bf.digits = alphabets.regular.bf.digits
alphabets.fraktur.bf.symbols = alphabets.regular.bf.symbols
alphabets.fraktur.bf.lcgreek = alphabets.regular.bf.lcgreek
alphabets.fraktur.bf.ucgreek = alphabets.regular.bf.ucgreek
alphabets.fraktur.it = alphabets.fraktur.tf
alphabets.fraktur.bi = alphabets.fraktur.bf
alphabets.script.tf.digits = alphabets.regular.tf.digits
alphabets.script.tf.symbols = alphabets.regular.tf.symbols
alphabets.script.tf.lcgreek = alphabets.regular.tf.lcgreek
alphabets.script.tf.ucgreek = alphabets.regular.tf.ucgreek
alphabets.script.bf.digits = alphabets.regular.bf.digits
alphabets.script.bf.symbols = alphabets.regular.bf.symbols
alphabets.script.bf.lcgreek = alphabets.regular.bf.lcgreek
alphabets.script.bf.ucgreek = alphabets.regular.bf.ucgreek
alphabets.script.it = alphabets.script.tf
alphabets.script.bi = alphabets.script.bf
alphabets.tt = alphabets.monospaced
alphabets.ss = alphabets.sansserif
alphabets.rm = alphabets.regular
alphabets.bb = alphabets.blackboard
alphabets.fr = alphabets.fraktur
alphabets.sr = alphabets.script
alphabets.serif = alphabets.regular
alphabets.type = alphabets.monospaced
alphabets.teletype = alphabets.monospaced
function mathematics.tostyle(attribute)
local r = mathremap[attribute]
return r and r.style or "tf"
end
function mathematics.toname(attribute)
local r = mathremap[attribute]
return r and r.alphabet or "regular"
end
-- of course we could do some div/mod trickery instead
local mathalphabet = attributes.private("mathalphabet")
function mathematics.syncboth(alphabet,style)
local data = alphabets[alphabet or "regular"] or alphabets.regular
data = data[style or "tf"] or data.tf
texattribute[mathalphabet] = data and data.attribute or texattribute[mathalphabet]
end
function mathematics.syncstyle(style)
--~ local r = mathremap[mathalphabet]
local r = mathremap[texattribute[mathalphabet]]
local alphabet = r and r.alphabet or "regular"
local data = alphabets[alphabet][style]
texattribute[mathalphabet] = data and data.attribute or texattribute[mathalphabet]
end
function mathematics.syncname(alphabet)
--~ local r = mathremap[mathalphabet]
local r = mathremap[texattribute[mathalphabet]]
local style = r and r.style or "tf"
local data = alphabets[alphabet][style]
texattribute[mathalphabet] = data and data.attribute or texattribute[mathalphabet]
end
local issymbol = mathematics.alphabets.regular.tf.symbols
local islcgreek = mathematics.alphabets.regular.tf.lcgreek
local isucgreek = mathematics.alphabets.regular.tf.ucgreek
local remapping = {
[1] = { what = "unchanged" }, -- upright
[2] = { what = "upright", it = "tf", bi = "bf" }, -- upright
[3] = { what = "italic", tf = "it", bf = "bi" }, -- italic
}
function mathematics.remapalphabets(char,mathalphabet,mathgreek)
if mathgreek > 0 then
local lc, uc = floor(mathgreek/10), mathgreek % 10 -- 2 == upright 3 == italic
if lc > 1 or uc > 1 then
local islc, isuc = islcgreek[char] and lc, isucgreek[char] and uc
if islc or isuc then
local r = mathremap[mathalphabet] -- what if 0
local alphabet = r and r.alphabet or "regular"
local style = r and r.style or "tf"
if trace_greek then
report_math("before: char: %05X, alphabet: %s %s, lcgreek: %s, ucgreek: %s",char,alphabet,style,remapping[lc].what,remapping[uc].what)
end
local s = remapping[islc or isuc][style]
if s then
local data = alphabets[alphabet][s]
mathalphabet, style = data and data.attribute or mathalphabet, s
end
if trace_greek then
report_math("after : char: %05X, alphabet: %s %s, lcgreek: %s, ucgreek: %s",char,alphabet,style,remapping[lc].what,remapping[uc].what)
end
end
end
end
if mathalphabet > 0 then
local newchar
local offset = mathremap[mathalphabet]
if not offset then
-- nothing to remap
elseif char >= 0x030 and char <= 0x039 then
local o = offset.digits
newchar = o and ((type(o) == "table" and (o[char] or char)) or (char - 0x030 + o))
elseif char >= 0x041 and char <= 0x05A then
local o = offset.ucletters
newchar = o and ((type(o) == "table" and (o[char] or char)) or (char - 0x041 + o))
elseif char >= 0x061 and char <= 0x07A then
local o = offset.lcletters
newchar = o and ((type(o) == "table" and (o[char] or char)) or (char - 0x061 + o))
elseif islcgreek[char] then
newchar = offset.lcgreek[char]
elseif isucgreek[char] then
newchar = offset.ucgreek[char]
elseif issymbol[char] then
newchar = offset.symbols[char]
end
return newchar ~= char and newchar
end
return nil
end
|
