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
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <cstdio>
#include <cstring>
#include <vector>
#include <assert.h>
#include <fontsubset.hxx>
#include <comphelper/flagguard.hxx>
#include <o3tl/safeint.hxx>
#include <o3tl/sprintf.hxx>
#include <rtl/math.hxx>
#include <rtl/strbuf.hxx>
#include <rtl/string.hxx>
#include <strhelper.hxx>
#include <sal/log.hxx>
#include <tools/stream.hxx>
typedef sal_uInt8 U8;
typedef sal_uInt16 U16;
typedef sal_Int64 S64;
typedef double RealType;
typedef RealType ValType;
constexpr OString tok_notdef = ".notdef"_ostr;
constexpr OString tok_space = "space"_ostr;
constexpr OString tok_exclam = "exclam"_ostr;
constexpr OString tok_quotedbl = "quotedbl"_ostr;
constexpr OString tok_numbersign = "numbersign"_ostr;
constexpr OString tok_dollar = "dollar"_ostr;
constexpr OString tok_percent = "percent"_ostr;
constexpr OString tok_ampersand = "ampersand"_ostr;
constexpr OString tok_quoteright = "quoteright"_ostr;
constexpr OString tok_parenleft = "parenleft"_ostr;
constexpr OString tok_parenright = "parenright"_ostr;
constexpr OString tok_asterisk = "asterisk"_ostr;
constexpr OString tok_plus = "plus"_ostr;
constexpr OString tok_comma = "comma"_ostr;
constexpr OString tok_hyphen = "hyphen"_ostr;
constexpr OString tok_period = "period"_ostr;
constexpr OString tok_slash = "slash"_ostr;
constexpr OString tok_zero = "zero"_ostr;
constexpr OString tok_one = "one"_ostr;
constexpr OString tok_two = "two"_ostr;
constexpr OString tok_three = "three"_ostr;
constexpr OString tok_four = "four"_ostr;
constexpr OString tok_five = "five"_ostr;
constexpr OString tok_six = "six"_ostr;
constexpr OString tok_seven = "seven"_ostr;
constexpr OString tok_eight = "eight"_ostr;
constexpr OString tok_nine = "nine"_ostr;
constexpr OString tok_colon = "colon"_ostr;
constexpr OString tok_semicolon = "semicolon"_ostr;
constexpr OString tok_less = "less"_ostr;
constexpr OString tok_equal = "equal"_ostr;
constexpr OString tok_greater = "greater"_ostr;
constexpr OString tok_question = "question"_ostr;
constexpr OString tok_at = "at"_ostr;
constexpr OString tok_A = "A"_ostr;
constexpr OString tok_B = "B"_ostr;
constexpr OString tok_C = "C"_ostr;
constexpr OString tok_D = "D"_ostr;
constexpr OString tok_E = "E"_ostr;
constexpr OString tok_F = "F"_ostr;
constexpr OString tok_G = "G"_ostr;
constexpr OString tok_H = "H"_ostr;
constexpr OString tok_I = "I"_ostr;
constexpr OString tok_J = "J"_ostr;
constexpr OString tok_K = "K"_ostr;
constexpr OString tok_L = "L"_ostr;
constexpr OString tok_M = "M"_ostr;
constexpr OString tok_N = "N"_ostr;
constexpr OString tok_O = "O"_ostr;
constexpr OString tok_P = "P"_ostr;
constexpr OString tok_Q = "Q"_ostr;
constexpr OString tok_R = "R"_ostr;
constexpr OString tok_S = "S"_ostr;
constexpr OString tok_T = "T"_ostr;
constexpr OString tok_U = "U"_ostr;
constexpr OString tok_V = "V"_ostr;
constexpr OString tok_W = "W"_ostr;
constexpr OString tok_X = "X"_ostr;
constexpr OString tok_Y = "Y"_ostr;
constexpr OString tok_Z = "Z"_ostr;
constexpr OString tok_bracketleft = "bracketleft"_ostr;
constexpr OString tok_backslash = "backslash"_ostr;
constexpr OString tok_bracketright = "bracketright"_ostr;
constexpr OString tok_asciicircum = "asciicircum"_ostr;
constexpr OString tok_underscore = "underscore"_ostr;
constexpr OString tok_quoteleft = "quoteleft"_ostr;
constexpr OString tok_a = "a"_ostr;
constexpr OString tok_b = "b"_ostr;
constexpr OString tok_c = "c"_ostr;
constexpr OString tok_d = "d"_ostr;
constexpr OString tok_e = "e"_ostr;
constexpr OString tok_f = "f"_ostr;
constexpr OString tok_g = "g"_ostr;
constexpr OString tok_h = "h"_ostr;
constexpr OString tok_i = "i"_ostr;
constexpr OString tok_j = "j"_ostr;
constexpr OString tok_k = "k"_ostr;
constexpr OString tok_l = "l"_ostr;
constexpr OString tok_m = "m"_ostr;
constexpr OString tok_n = "n"_ostr;
constexpr OString tok_o = "o"_ostr;
constexpr OString tok_p = "p"_ostr;
constexpr OString tok_q = "q"_ostr;
constexpr OString tok_r = "r"_ostr;
constexpr OString tok_s = "s"_ostr;
constexpr OString tok_t = "t"_ostr;
constexpr OString tok_u = "u"_ostr;
constexpr OString tok_v = "v"_ostr;
constexpr OString tok_w = "w"_ostr;
constexpr OString tok_x = "x"_ostr;
constexpr OString tok_y = "y"_ostr;
constexpr OString tok_z = "z"_ostr;
constexpr OString tok_braceleft = "braceleft"_ostr;
constexpr OString tok_bar = "bar"_ostr;
constexpr OString tok_braceright = "braceright"_ostr;
constexpr OString tok_asciitilde = "asciitilde"_ostr;
constexpr OString tok_exclamdown = "exclamdown"_ostr;
constexpr OString tok_cent = "cent"_ostr;
constexpr OString tok_sterlin = "sterlin"_ostr;
constexpr OString tok_fraction = "fraction"_ostr;
constexpr OString tok_yen = "yen"_ostr;
constexpr OString tok_florin = "florin"_ostr;
constexpr OString tok_section = "section"_ostr;
constexpr OString tok_currency = "currency"_ostr;
constexpr OString tok_quotesingle = "quotesingle"_ostr;
constexpr OString tok_quotedblleft = "quotedblleft"_ostr;
constexpr OString tok_guillemotleft = "guillemotleft"_ostr;
constexpr OString tok_guilsinglleft = "guilsinglleft"_ostr;
constexpr OString tok_guilsinglright = "guilsinglright"_ostr;
constexpr OString tok_fi = "fi"_ostr;
constexpr OString tok_fl = "fl"_ostr;
constexpr OString tok_endash = "endash"_ostr;
constexpr OString tok_dagger = "dagger"_ostr;
constexpr OString tok_daggerdbl = "daggerdbl"_ostr;
constexpr OString tok_periodcentered = "periodcentered"_ostr;
constexpr OString tok_paragraph = "paragraph"_ostr;
constexpr OString tok_bullet = "bullet"_ostr;
constexpr OString tok_quotesinglbase = "quotesinglbase"_ostr;
constexpr OString tok_quotedblbase = "quotedblbase"_ostr;
constexpr OString tok_quotedblright = "quotedblright"_ostr;
constexpr OString tok_guillemotright = "guillemotright"_ostr;
constexpr OString tok_ellipsis = "ellipsis"_ostr;
constexpr OString tok_perthousand = "perthousand"_ostr;
constexpr OString tok_questiondown = "questiondown"_ostr;
constexpr OString tok_grave = "grave"_ostr;
constexpr OString tok_acute = "acute"_ostr;
constexpr OString tok_circumflex = "circumflex"_ostr;
constexpr OString tok_tilde = "tilde"_ostr;
constexpr OString tok_macron = "macron"_ostr;
constexpr OString tok_breve = "breve"_ostr;
constexpr OString tok_dotaccent = "dotaccent"_ostr;
constexpr OString tok_dieresis = "dieresis"_ostr;
constexpr OString tok_ring = "ring"_ostr;
constexpr OString tok_cedilla = "cedilla"_ostr;
constexpr OString tok_hungarumlaut = "hungarumlaut"_ostr;
constexpr OString tok_ogonek = "ogonek"_ostr;
constexpr OString tok_caron = "caron"_ostr;
constexpr OString tok_emdash = "emdash"_ostr;
constexpr OString tok_AE = "AE"_ostr;
constexpr OString tok_ordfeminine = "ordfeminine"_ostr;
constexpr OString tok_Lslash = "Lslash"_ostr;
constexpr OString tok_Oslash = "Oslash"_ostr;
constexpr OString tok_OE = "OE"_ostr;
constexpr OString tok_ordmasculine = "ordmasculine"_ostr;
constexpr OString tok_ae = "ae"_ostr;
constexpr OString tok_dotlessi = "dotlessi"_ostr;
constexpr OString tok_lslash = "lslash"_ostr;
constexpr OString tok_oslash = "oslash"_ostr;
constexpr OString tok_oe = "oe"_ostr;
constexpr OString tok_germandbls = "germandbls"_ostr;
constexpr OString tok_onesuperior = "onesuperior"_ostr;
constexpr OString tok_logicalnot = "logicalnot"_ostr;
constexpr OString tok_mu = "mu"_ostr;
constexpr OString tok_trademark = "trademark"_ostr;
constexpr OString tok_Eth = "Eth"_ostr;
constexpr OString tok_onehalf = "onehalf"_ostr;
constexpr OString tok_plusminus = "plusminus"_ostr;
constexpr OString tok_Thorn = "Thorn"_ostr;
constexpr OString tok_onequarter = "onequarter"_ostr;
constexpr OString tok_divide = "divide"_ostr;
constexpr OString tok_brokenbar = "brokenbar"_ostr;
constexpr OString tok_degree = "degree"_ostr;
constexpr OString tok_thorn = "thorn"_ostr;
constexpr OString tok_threequarters = "threequarters"_ostr;
constexpr OString tok_twosuperior = "twosuperior"_ostr;
constexpr OString tok_registered = "registered"_ostr;
constexpr OString tok_minus = "minus"_ostr;
constexpr OString tok_eth = "eth"_ostr;
constexpr OString tok_multiply = "multiply"_ostr;
constexpr OString tok_threesuperior = "threesuperior"_ostr;
constexpr OString tok_copyright = "copyright"_ostr;
constexpr OString tok_Aacute = "Aacute"_ostr;
constexpr OString tok_Acircumflex = "Acircumflex"_ostr;
constexpr OString tok_Adieresis = "Adieresis"_ostr;
constexpr OString tok_Agrave = "Agrave"_ostr;
constexpr OString tok_Aring = "Aring"_ostr;
constexpr OString tok_Atilde = "Atilde"_ostr;
constexpr OString tok_Ccedilla = "Ccedilla"_ostr;
constexpr OString tok_Eacute = "Eacute"_ostr;
constexpr OString tok_Ecircumflex = "Ecircumflex"_ostr;
constexpr OString tok_Edieresis = "Edieresis"_ostr;
constexpr OString tok_Egrave = "Egrave"_ostr;
constexpr OString tok_Iacute = "Iacute"_ostr;
constexpr OString tok_Icircumflex = "Icircumflex"_ostr;
constexpr OString tok_Idieresis = "Idieresis"_ostr;
constexpr OString tok_Igrave = "Igrave"_ostr;
constexpr OString tok_Ntilde = "Ntilde"_ostr;
constexpr OString tok_Oacute = "Oacute"_ostr;
constexpr OString tok_Ocircumflex = "Ocircumflex"_ostr;
constexpr OString tok_Odieresis = "Odieresis"_ostr;
constexpr OString tok_Ograve = "Ograve"_ostr;
constexpr OString tok_Otilde = "Otilde"_ostr;
constexpr OString tok_Scaron = "Scaron"_ostr;
constexpr OString tok_Uacute = "Uacute"_ostr;
constexpr OString tok_Ucircumflex = "Ucircumflex"_ostr;
constexpr OString tok_Udieresis = "Udieresis"_ostr;
constexpr OString tok_Ugrave = "Ugrave"_ostr;
constexpr OString tok_Yacute = "Yacute"_ostr;
constexpr OString tok_Ydieresis = "Ydieresis"_ostr;
constexpr OString tok_Zcaron = "Zcaron"_ostr;
constexpr OString tok_aacute = "aacute"_ostr;
constexpr OString tok_acircumflex = "acircumflex"_ostr;
constexpr OString tok_adieresis = "adieresis"_ostr;
constexpr OString tok_agrave = "agrave"_ostr;
constexpr OString tok_aring = "aring"_ostr;
constexpr OString tok_atilde = "atilde"_ostr;
constexpr OString tok_ccedilla = "ccedilla"_ostr;
constexpr OString tok_eacute = "eacute"_ostr;
constexpr OString tok_ecircumflex = "ecircumflex"_ostr;
constexpr OString tok_edieresis = "edieresis"_ostr;
constexpr OString tok_egrave = "egrave"_ostr;
constexpr OString tok_iacute = "iacute"_ostr;
constexpr OString tok_icircumflex = "icircumflex"_ostr;
constexpr OString tok_idieresis = "idieresis"_ostr;
constexpr OString tok_igrave = "igrave"_ostr;
constexpr OString tok_ntilde = "ntilde"_ostr;
constexpr OString tok_oacute = "oacute"_ostr;
constexpr OString tok_ocircumflex = "ocircumflex"_ostr;
constexpr OString tok_odieresis = "odieresis"_ostr;
constexpr OString tok_ograve = "ograve"_ostr;
constexpr OString tok_otilde = "otilde"_ostr;
constexpr OString tok_scaron = "scaron"_ostr;
constexpr OString tok_uacute = "uacute"_ostr;
constexpr OString tok_ucircumflex = "ucircumflex"_ostr;
constexpr OString tok_udieresis = "udieresis"_ostr;
constexpr OString tok_ugrave = "ugrave"_ostr;
constexpr OString tok_yacute = "yacute"_ostr;
constexpr OString tok_ydieresis = "ydieresis"_ostr;
constexpr OString tok_zcaron = "zcaron"_ostr;
constexpr OString tok_exclamsmall = "exclamsmall"_ostr;
constexpr OString tok_Hungarumlautsmall = "Hungarumlautsmall"_ostr;
constexpr OString tok_dollaroldstyle = "dollaroldstyle"_ostr;
constexpr OString tok_dollarsuperior = "dollarsuperior"_ostr;
constexpr OString tok_ampersandsmall = "ampersandsmall"_ostr;
constexpr OString tok_Acutesmall = "Acutesmall"_ostr;
constexpr OString tok_parenleftsuperior = "parenleftsuperior"_ostr;
constexpr OString tok_parenrightsuperior = "parenrightsuperior"_ostr;
constexpr OString tok_twodotenleader = "twodotenleader"_ostr;
constexpr OString tok_onedotenleader = "onedotenleader"_ostr;
constexpr OString tok_zerooldstyle = "zerooldstyle"_ostr;
constexpr OString tok_oneoldstyle = "oneoldstyle"_ostr;
constexpr OString tok_twooldstyle = "twooldstyle"_ostr;
constexpr OString tok_threeoldstyle = "threeoldstyle"_ostr;
constexpr OString tok_fouroldstyle = "fouroldstyle"_ostr;
constexpr OString tok_fiveoldstyle = "fiveoldstyle"_ostr;
constexpr OString tok_sixoldstyle = "sixoldstyle"_ostr;
constexpr OString tok_sevenoldstyle = "sevenoldstyle"_ostr;
constexpr OString tok_eightoldstyle = "eightoldstyle"_ostr;
constexpr OString tok_nineoldstile = "nineoldstile"_ostr;
constexpr OString tok_commasuperior = "commasuperior"_ostr;
constexpr OString tok_threequartersemdash = "threequartersemdash"_ostr;
constexpr OString tok_periodsuperior = "periodsuperior"_ostr;
constexpr OString tok_questionsmall = "questionsmall"_ostr;
constexpr OString tok_asuperior = "asuperior"_ostr;
constexpr OString tok_bsuperior = "bsuperior"_ostr;
constexpr OString tok_centsuperior = "centsuperior"_ostr;
constexpr OString tok_dsuperior = "dsuperior"_ostr;
constexpr OString tok_esuperior = "esuperior"_ostr;
constexpr OString tok_isuperior = "isuperior"_ostr;
constexpr OString tok_lsuperior = "lsuperior"_ostr;
constexpr OString tok_msuperior = "msuperior"_ostr;
constexpr OString tok_nsuperior = "nsuperior"_ostr;
constexpr OString tok_osuperior = "osuperior"_ostr;
constexpr OString tok_rsuperior = "rsuperior"_ostr;
constexpr OString tok_ssuperior = "ssuperior"_ostr;
constexpr OString tok_tsuperior = "tsuperior"_ostr;
constexpr OString tok_ff = "ff"_ostr;
constexpr OString tok_ffi = "ffi"_ostr;
constexpr OString tok_ffl = "ffl"_ostr;
constexpr OString tok_parenleftinferior = "parenleftinferior"_ostr;
constexpr OString tok_parenrightinferior = "parenrightinferior"_ostr;
constexpr OString tok_Circumflexsmall = "Circumflexsmall"_ostr;
constexpr OString tok_hyphensuperior = "hyphensuperior"_ostr;
constexpr OString tok_Gravesmall = "Gravesmall"_ostr;
constexpr OString tok_Asmall = "Asmall"_ostr;
constexpr OString tok_Bsmall = "Bsmall"_ostr;
constexpr OString tok_Csmall = "Csmall"_ostr;
constexpr OString tok_Dsmall = "Dsmall"_ostr;
constexpr OString tok_Esmall = "Esmall"_ostr;
constexpr OString tok_Fsmall = "Fsmall"_ostr;
constexpr OString tok_Gsmall = "Gsmall"_ostr;
constexpr OString tok_Hsmall = "Hsmall"_ostr;
constexpr OString tok_Ismall = "Ismall"_ostr;
constexpr OString tok_Jsmall = "Jsmall"_ostr;
constexpr OString tok_Ksmall = "Ksmall"_ostr;
constexpr OString tok_Lsmall = "Lsmall"_ostr;
constexpr OString tok_Msmall = "Msmall"_ostr;
constexpr OString tok_Nsmall = "Nsmall"_ostr;
constexpr OString tok_Osmall = "Osmall"_ostr;
constexpr OString tok_Psmall = "Psmall"_ostr;
constexpr OString tok_Qsmall = "Qsmall"_ostr;
constexpr OString tok_Rsmall = "Rsmall"_ostr;
constexpr OString tok_Ssmall = "Ssmall"_ostr;
constexpr OString tok_Tsmall = "Tsmall"_ostr;
constexpr OString tok_Usmall = "Usmall"_ostr;
constexpr OString tok_Vsmall = "Vsmall"_ostr;
constexpr OString tok_Wsmall = "Wsmall"_ostr;
constexpr OString tok_Xsmall = "Xsmall"_ostr;
constexpr OString tok_Ysmall = "Ysmall"_ostr;
constexpr OString tok_Zsmall = "Zsmall"_ostr;
constexpr OString tok_colonmonetary = "colonmonetary"_ostr;
constexpr OString tok_onefitted = "onefitted"_ostr;
constexpr OString tok_rupia = "rupia"_ostr;
constexpr OString tok_Tildesmall = "Tildesmall"_ostr;
constexpr OString tok_exclamdownsmall = "exclamdownsmall"_ostr;
constexpr OString tok_centoldstyle = "centoldstyle"_ostr;
constexpr OString tok_Lslashsmall = "Lslashsmall"_ostr;
constexpr OString tok_Scaronsmall = "Scaronsmall"_ostr;
constexpr OString tok_Zcaronsmall = "Zcaronsmall"_ostr;
constexpr OString tok_Dieresissmall = "Dieresissmall"_ostr;
constexpr OString tok_Brevesmall = "Brevesmall"_ostr;
constexpr OString tok_Caronsmall = "Caronsmall"_ostr;
constexpr OString tok_Dotaccentsmall = "Dotaccentsmall"_ostr;
constexpr OString tok_Macronsmall = "Macronsmall"_ostr;
constexpr OString tok_figuredash = "figuredash"_ostr;
constexpr OString tok_hypheninferior = "hypheninferior"_ostr;
constexpr OString tok_Ogoneksmall = "Ogoneksmall"_ostr;
constexpr OString tok_Ringsmall = "Ringsmall"_ostr;
constexpr OString tok_Cedillasmall = "Cedillasmall"_ostr;
constexpr OString tok_questiondownsmall = "questiondownsmall"_ostr;
constexpr OString tok_oneeight = "oneeight"_ostr;
constexpr OString tok_threeeights = "threeeights"_ostr;
constexpr OString tok_fiveeights = "fiveeights"_ostr;
constexpr OString tok_seveneights = "seveneights"_ostr;
constexpr OString tok_onethird = "onethird"_ostr;
constexpr OString tok_twothirds = "twothirds"_ostr;
constexpr OString tok_zerosuperior = "zerosuperior"_ostr;
constexpr OString tok_foursuperior = "foursuperior"_ostr;
constexpr OString tok_fivesuperior = "fivesuperior"_ostr;
constexpr OString tok_sixsuperior = "sixsuperior"_ostr;
constexpr OString tok_sevensuperior = "sevensuperior"_ostr;
constexpr OString tok_eightsuperior = "eightsuperior"_ostr;
constexpr OString tok_ninesuperior = "ninesuperior"_ostr;
constexpr OString tok_zeroinferior = "zeroinferior"_ostr;
constexpr OString tok_oneinferior = "oneinferior"_ostr;
constexpr OString tok_twoinferior = "twoinferior"_ostr;
constexpr OString tok_threeinferior = "threeinferior"_ostr;
constexpr OString tok_fourinferior = "fourinferior"_ostr;
constexpr OString tok_fiveinferior = "fiveinferior"_ostr;
constexpr OString tok_sixinferior = "sixinferior"_ostr;
constexpr OString tok_seveninferior = "seveninferior"_ostr;
constexpr OString tok_eightinferior = "eightinferior"_ostr;
constexpr OString tok_nineinferior = "nineinferior"_ostr;
constexpr OString tok_centinferior = "centinferior"_ostr;
constexpr OString tok_dollarinferior = "dollarinferior"_ostr;
constexpr OString tok_periodinferior = "periodinferior"_ostr;
constexpr OString tok_commainferior = "commainferior"_ostr;
constexpr OString tok_Agravesmall = "Agravesmall"_ostr;
constexpr OString tok_Aacutesmall = "Aacutesmall"_ostr;
constexpr OString tok_Acircumflexsmall = "Acircumflexsmall"_ostr;
constexpr OString tok_Atildesmall = "Atildesmall"_ostr;
constexpr OString tok_Adieresissmall = "Adieresissmall"_ostr;
constexpr OString tok_Aringsmall = "Aringsmall"_ostr;
constexpr OString tok_AEsmall = "AEsmall"_ostr;
constexpr OString tok_Ccedillasmall = "Ccedillasmall"_ostr;
constexpr OString tok_Egravesmall = "Egravesmall"_ostr;
constexpr OString tok_Eacutesmall = "Eacutesmall"_ostr;
constexpr OString tok_Ecircumflexsmall = "Ecircumflexsmall"_ostr;
constexpr OString tok_Edieresissmall = "Edieresissmall"_ostr;
constexpr OString tok_Igravesmall = "Igravesmall"_ostr;
constexpr OString tok_Iacutesmall = "Iacutesmall"_ostr;
constexpr OString tok_Icircumflexsmall = "Icircumflexsmall"_ostr;
constexpr OString tok_Idieresissmall = "Idieresissmall"_ostr;
constexpr OString tok_Ethsmall = "Ethsmall"_ostr;
constexpr OString tok_Ntildesmall = "Ntildesmall"_ostr;
constexpr OString tok_Ogravesmall = "Ogravesmall"_ostr;
constexpr OString tok_Oacutesmall = "Oacutesmall"_ostr;
constexpr OString tok_Ocircumflexsmall = "Ocircumflexsmall"_ostr;
constexpr OString tok_Otildesmall = "Otildesmall"_ostr;
constexpr OString tok_Odieressissmall = "Odieressissmall"_ostr;
constexpr OString tok_OEsmall = "OEsmall"_ostr;
constexpr OString tok_Oslashsmall = "Oslashsmall"_ostr;
constexpr OString tok_Ugravesmall = "Ugravesmall"_ostr;
constexpr OString tok_Uacutesmall = "Uacutesmall"_ostr;
constexpr OString tok_Ucircumflexsmall = "Ucircumflexsmall"_ostr;
constexpr OString tok_Udieresissmall = "Udieresissmall"_ostr;
constexpr OString tok_Yacutesmall = "Yacutesmall"_ostr;
constexpr OString tok_Thornsmall = "Thornsmall"_ostr;
constexpr OString tok_Ydieresissmall = "Ydieresissmall"_ostr;
constexpr OString tok_001_000 = "001.000"_ostr;
constexpr OString tok_001_001 = "001.001"_ostr;
constexpr OString tok_001_002 = "001.002"_ostr;
constexpr OString tok_001_003 = "001.003"_ostr;
constexpr OString tok_Black = "Black"_ostr;
constexpr OString tok_Bold = "Bold"_ostr;
constexpr OString tok_Book = "Book"_ostr;
constexpr OString tok_Light = "Light"_ostr;
constexpr OString tok_Medium = "Medium"_ostr;
constexpr OString tok_Regular = "Regular"_ostr;
constexpr OString tok_Roman = "Roman"_ostr;
constexpr OString tok_Semibold = "Semibold"_ostr;
constexpr OString pStringIds[] = {
/*0*/ tok_notdef, tok_space, tok_exclam, tok_quotedbl,
tok_numbersign, tok_dollar, tok_percent, tok_ampersand,
tok_quoteright, tok_parenleft, tok_parenright, tok_asterisk,
tok_plus, tok_comma, tok_hyphen, tok_period,
/*16*/ tok_slash, tok_zero, tok_one, tok_two,
tok_three, tok_four, tok_five, tok_six,
tok_seven, tok_eight, tok_nine, tok_colon,
tok_semicolon, tok_less, tok_equal, tok_greater,
/*32*/ tok_question, tok_at, tok_A, tok_B,
tok_C, tok_D, tok_E, tok_F,
tok_G, tok_H, tok_I, tok_J,
tok_K, tok_L, tok_M, tok_N,
/*48*/ tok_O, tok_P, tok_Q, tok_R,
tok_S, tok_T, tok_U, tok_V,
tok_W, tok_X, tok_Y, tok_Z,
tok_bracketleft, tok_backslash, tok_bracketright, tok_asciicircum,
/*64*/ tok_underscore, tok_quoteleft, tok_a, tok_b,
tok_c, tok_d, tok_e, tok_f,
tok_g, tok_h, tok_i, tok_j,
tok_k, tok_l, tok_m, tok_n,
/*80*/ tok_o, tok_p, tok_q, tok_r,
tok_s, tok_t, tok_u, tok_v,
tok_w, tok_x, tok_y, tok_z,
tok_braceleft, tok_bar, tok_braceright, tok_asciitilde,
/*96*/ tok_exclamdown, tok_cent, tok_sterlin, tok_fraction,
tok_yen, tok_florin, tok_section, tok_currency,
tok_quotesingle, tok_quotedblleft, tok_guillemotleft, tok_guilsinglleft,
tok_guilsinglright, tok_fi, tok_fl, tok_endash,
/*112*/ tok_dagger, tok_daggerdbl, tok_periodcentered, tok_paragraph,
tok_bullet, tok_quotesinglbase, tok_quotedblbase, tok_quotedblright,
tok_guillemotright, tok_ellipsis, tok_perthousand, tok_questiondown,
tok_grave, tok_acute, tok_circumflex, tok_tilde,
/*128*/ tok_macron, tok_breve, tok_dotaccent, tok_dieresis,
tok_ring, tok_cedilla, tok_hungarumlaut, tok_ogonek,
tok_caron, tok_emdash, tok_AE, tok_ordfeminine,
tok_Lslash, tok_Oslash, tok_OE, tok_ordmasculine,
/*144*/ tok_ae, tok_dotlessi, tok_lslash, tok_oslash,
tok_oe, tok_germandbls, tok_onesuperior, tok_logicalnot,
tok_mu, tok_trademark, tok_Eth, tok_onehalf,
tok_plusminus, tok_Thorn, tok_onequarter, tok_divide,
/*160*/ tok_brokenbar, tok_degree, tok_thorn, tok_threequarters,
tok_twosuperior, tok_registered, tok_minus, tok_eth,
tok_multiply, tok_threesuperior, tok_copyright, tok_Aacute,
tok_Acircumflex, tok_Adieresis, tok_Agrave, tok_Aring,
/*176*/ tok_Atilde, tok_Ccedilla, tok_Eacute, tok_Ecircumflex,
tok_Edieresis, tok_Egrave, tok_Iacute, tok_Icircumflex,
tok_Idieresis, tok_Igrave, tok_Ntilde, tok_Oacute,
tok_Ocircumflex, tok_Odieresis, tok_Ograve, tok_Otilde,
/*192*/ tok_Scaron, tok_Uacute, tok_Ucircumflex, tok_Udieresis,
tok_Ugrave, tok_Yacute, tok_Ydieresis, tok_Zcaron,
tok_aacute, tok_acircumflex, tok_adieresis, tok_agrave,
tok_aring, tok_atilde, tok_ccedilla, tok_eacute,
/*208*/ tok_ecircumflex, tok_edieresis, tok_egrave, tok_iacute,
tok_icircumflex, tok_idieresis, tok_igrave, tok_ntilde,
tok_oacute, tok_ocircumflex, tok_odieresis, tok_ograve,
tok_otilde, tok_scaron, tok_uacute, tok_ucircumflex,
/*224*/ tok_udieresis, tok_ugrave, tok_yacute, tok_ydieresis,
tok_zcaron, tok_exclamsmall, tok_Hungarumlautsmall,tok_dollaroldstyle,
tok_dollarsuperior, tok_ampersandsmall, tok_Acutesmall, tok_parenleftsuperior,
tok_parenrightsuperior,tok_twodotenleader, tok_onedotenleader, tok_zerooldstyle,
/*240*/ tok_oneoldstyle, tok_twooldstyle, tok_threeoldstyle, tok_fouroldstyle,
tok_fiveoldstyle, tok_sixoldstyle, tok_sevenoldstyle, tok_eightoldstyle,
tok_nineoldstile, tok_commasuperior, tok_threequartersemdash,tok_periodsuperior,
tok_questionsmall, tok_asuperior, tok_bsuperior, tok_centsuperior,
/*256*/ tok_dsuperior, tok_esuperior, tok_isuperior, tok_lsuperior,
tok_msuperior, tok_nsuperior, tok_osuperior, tok_rsuperior,
tok_ssuperior, tok_tsuperior, tok_ff, tok_ffi,
tok_ffl, tok_parenleftinferior,tok_parenrightinferior,tok_Circumflexsmall,
/*272*/ tok_hyphensuperior,tok_Gravesmall, tok_Asmall, tok_Bsmall,
tok_Csmall, tok_Dsmall, tok_Esmall, tok_Fsmall,
tok_Gsmall, tok_Hsmall, tok_Ismall, tok_Jsmall,
tok_Ksmall, tok_Lsmall, tok_Msmall, tok_Nsmall,
/*288*/ tok_Osmall, tok_Psmall, tok_Qsmall, tok_Rsmall,
tok_Ssmall, tok_Tsmall, tok_Usmall, tok_Vsmall,
tok_Wsmall, tok_Xsmall, tok_Ysmall, tok_Zsmall,
tok_colonmonetary, tok_onefitted, tok_rupia, tok_Tildesmall,
/*304*/ tok_exclamdownsmall,tok_centoldstyle, tok_Lslashsmall, tok_Scaronsmall,
tok_Zcaronsmall, tok_Dieresissmall, tok_Brevesmall, tok_Caronsmall,
tok_Dotaccentsmall, tok_Macronsmall, tok_figuredash, tok_hypheninferior,
tok_Ogoneksmall, tok_Ringsmall, tok_Cedillasmall, tok_questiondownsmall,
/*320*/ tok_oneeight, tok_threeeights, tok_fiveeights, tok_seveneights,
tok_onethird, tok_twothirds, tok_zerosuperior, tok_foursuperior,
tok_fivesuperior, tok_sixsuperior, tok_sevensuperior, tok_eightsuperior,
tok_ninesuperior, tok_zeroinferior, tok_oneinferior, tok_twoinferior,
/*336*/ tok_threeinferior,tok_fourinferior, tok_fiveinferior, tok_sixinferior,
tok_seveninferior, tok_eightinferior, tok_nineinferior, tok_centinferior,
tok_dollarinferior, tok_periodinferior, tok_commainferior, tok_Agravesmall,
tok_Aacutesmall, tok_Acircumflexsmall, tok_Atildesmall, tok_Adieresissmall,
/*352*/ tok_Aringsmall, tok_AEsmall, tok_Ccedillasmall, tok_Egravesmall,
tok_Eacutesmall, tok_Ecircumflexsmall, tok_Edieresissmall, tok_Igravesmall,
tok_Iacutesmall, tok_Icircumflexsmall, tok_Idieresissmall, tok_Ethsmall,
tok_Ntildesmall, tok_Ogravesmall, tok_Oacutesmall, tok_Ocircumflexsmall,
/*368*/ tok_Otildesmall, tok_Odieressissmall, tok_OEsmall, tok_Oslashsmall,
tok_Ugravesmall, tok_Uacutesmall, tok_Ucircumflexsmall, tok_Udieresissmall,
tok_Yacutesmall, tok_Thornsmall, tok_Ydieresissmall, tok_001_000,
tok_001_001, tok_001_002, tok_001_003, tok_Black,
/*384*/ tok_Bold, tok_Book, tok_Light, tok_Medium,
tok_Regular, tok_Roman, tok_Semibold
};
// TOP DICT keywords (also covers PRIV DICT keywords)
static const char* pDictOps[] = {
"sVersion", "sNotice", "sFullName", "sFamilyName",
"sWeight", "aFontBBox", "dBlueValues", "dOtherBlues",
"dFamilyBlues", "dFamilyOtherBlues", "nStdHW", "nStdVW",
"xESC", "nUniqueID", "aXUID", "nCharset",
"nEncoding", "nCharStrings", "PPrivate", "nSubrs",
"nDefaultWidthX", "nNominalWidthX", nullptr, nullptr,
nullptr, nullptr, nullptr, nullptr,
"shortint", "longint", "BCD", nullptr
};
// TOP DICT escapes (also covers PRIV DICT escapes)
static const char* pDictEscs[] = {
"sCopyright", "bIsFixedPitch", "nItalicAngle", "nUnderlinePosition",
"nUnderlineThickness", "nPaintType", "tCharstringType", "aFontMatrix",
"nStrokeWidth", "nBlueScale", "nBlueShift", "nBlueFuzz",
"dStemSnapH", "dStemSnapV", "bForceBold", nullptr,
nullptr, "nLanguageGroup", "nExpansionFactor", "nInitialRandomSeed",
"nSyntheticBase", "sPostScript", "sBaseFontName", "dBaseFontBlend",
nullptr, nullptr, nullptr, nullptr,
nullptr, nullptr, "rROS", "nCIDFontVersion",
"nCIDFontRevision", "nCIDFontType", "nCIDCount", "nUIDBase",
"nFDArray", "nFDSelect", "sFontName"
};
static const char* pStandardEncoding[] = {
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", "space", "exclam", "quotedbl",
"numbersign", "dollar", "percent", "ampersand",
"quoteright", "parenleft", "parenright", "asterisk", "plus",
"comma", "hyphen", "period", "slash", "zero", "one", "two",
"three", "four", "five", "six", "seven", "eight", "nine",
"colon", "semicolon", "less", "equal", "greater",
"question", "at", "A", "B", "C", "D", "E", "F", "G", "H",
"I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T",
"U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash",
"bracketright", "asciicircum", "underscore", "quoteleft",
"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l",
"m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x",
"y", "z", "braceleft", "bar", "braceright", "asciitilde",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", "exclamdown",
"cent", "sterling", "fraction", "yen", "florin", "section",
"currency", "quotesingle", "quotedblleft", "guillemotleft",
"guilsinglleft", "guilsinglright", "fi", "fl", ".notdef",
"endash", "dagger", "daggerdbl", "periodcentered",
".notdef", "paragraph", "bullet", "quotesinglbase",
"quotedblbase", "quotedblright", "guillemotright",
"ellipsis", "perthousand", ".notdef", "questiondown",
".notdef", "grave", "acute", "circumflex", "tilde",
"macron", "breve", "dotaccent", "dieresis", ".notdef",
"ring", "cedilla", ".notdef", "hungarumlaut", "ogonek",
"caron", "emdash", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
".notdef", ".notdef", ".notdef", "AE", ".notdef",
"ordfeminine", ".notdef", ".notdef", ".notdef", ".notdef",
"Lslash", "Oslash", "OE", "ordmasculine", ".notdef",
".notdef", ".notdef", ".notdef", ".notdef", "ae", ".notdef",
".notdef", ".notdef", "dotlessi", ".notdef", ".notdef",
"lslash", "oslash", "oe", "germandbls", ".notdef",
".notdef", ".notdef", ".notdef"
};
namespace {
namespace TYPE1OP
{
enum OPS
{
HSTEM=1, VSTEM=3, VMOVETO=4, RLINETO=5,
HLINETO=6, VLINETO=7, RCURVETO=8, CLOSEPATH=9,
CALLSUBR=10, RETURN=11, T1ESC=12, HSBW=13,
ENDCHAR=14, RMOVETO=21, HMOVETO=22, VHCURVETO=30,
HVCURVETO=31
};
enum ESCS
{
DOTSECTION=0, VSTEM3=1, HSTEM3=2, SEAC=6,
SBW=7, ABS=9, ADD=10, SUB=11,
DIV=12, CALLOTHERSUBR=16, POP=17, SETCURRENTPOINT=33
};
}
namespace TYPE2OP
{
enum OPS
{
HSTEM=1, VSTEM=3, VMOVETO=4, RLINETO=5,
HLINETO=6, VLINETO=7, RCURVETO=8, CALLSUBR=10,
RETURN=11, T2ESC=12, ENDCHAR=14, HSTEMHM=18,
HINTMASK=19, CNTRMASK=20, RMOVETO=21, HMOVETO=22,
VSTEMHM=23, RCURVELINE=24, RLINECURVE=25, VVCURVETO=26,
HHCURVETO=27, SHORTINT=28, CALLGSUBR=29, VHCURVETO=30,
HVCURVETO=31
};
enum ESCS
{
AND=3, OR=4, NOT=5, ABS=9,
ADD=10, SUB=11, DIV=12, NEG=14,
EQ=15, DROP=18, PUT=20, GET=21,
IFELSE=22, RANDOM=23, MUL=24, SQRT=26,
DUP=27, EXCH=28, INDEX=29, ROLL=30,
HFLEX=34, FLEX=35, HFLEX1=36, FLEX1=37
};
}
struct CffGlobal
{
explicit CffGlobal();
int mnNameIdxBase;
int mnStringIdxBase;
bool mbCIDFont;
int mnCharStrBase;
int mnCharStrCount;
int mnCharsetBase;
int mnGlobalSubrBase;
int mnGlobalSubrCount;
int mnGlobalSubrBias;
int mnFDSelectBase;
int mnFontDictBase;
int mnFDAryCount;
std::vector<ValType> maFontBBox;
std::vector<ValType> maFontMatrix;
int mnFontNameSID;
int mnFullNameSID;
};
struct CffLocal
{
explicit CffLocal();
int mnPrivDictBase;
int mnPrivDictSize;
int mnLocalSubrOffs;
int mnLocalSubrBase;
int mnLocalSubrBias;
ValType maNominalWidth;
ValType maDefaultWidth;
// ATM hinting related values
ValType maStemStdHW;
ValType maStemStdVW;
std::vector<ValType> maStemSnapH;
std::vector<ValType> maStemSnapV;
std::vector<ValType> maBlueValues;
std::vector<ValType> maOtherBlues;
std::vector<ValType> maFamilyBlues;
std::vector<ValType> maFamilyOtherBlues;
RealType mfBlueScale;
RealType mfBlueShift;
RealType mfBlueFuzz;
RealType mfExpFactor;
int mnLangGroup;
bool mbForceBold;
};
const int MAX_T1OPS_SIZE = 81920; // TODO: use dynamic value
struct CharString
{
int nLen;
U8 aOps[MAX_T1OPS_SIZE];
int nCffGlyphId;
};
class CffSubsetterContext
: private CffGlobal
{
public:
static const int NMAXSTACK = 48; // see CFF.appendixB
static const int NMAXHINTS = 2*96; // see CFF.appendixB
static const int NMAXTRANS = 32; // see CFF.appendixB
explicit CffSubsetterContext( const U8* pBasePtr, int nBaseLen);
bool initialCffRead();
void emitAsType1( class Type1Emitter&,
const sal_GlyphId* pGlyphIds, const U8* pEncoding,
int nGlyphCount, FontSubsetInfo& );
private:
void convertCharStrings(const sal_GlyphId* pGlyphIds, int nGlyphCount,
std::vector<CharString>& rCharStrings);
int convert2Type1Ops( CffLocal*, const U8* pType2Ops, int nType2Len, U8* pType1Ops);
void convertOneTypeOp();
void convertOneTypeEsc();
void callType2Subr( bool bGlobal, int nSubrNumber);
sal_Int32 getReadOfs() const { return static_cast<sal_Int32>(mpReadPtr - mpBasePtr);}
const U8* mpBasePtr;
const U8* mpBaseEnd;
const U8* mpReadPtr;
const U8* mpReadEnd;
U8* mpWritePtr;
bool mbNeedClose;
bool mbIgnoreHints;
sal_Int32 mnCntrMask;
int seekIndexData( int nIndexBase, int nDataIndex);
void seekIndexEnd( int nIndexBase);
CffLocal maCffLocal[256];
CffLocal* mpCffLocal;
void readDictOp();
RealType readRealVal();
OString getString( int nStringID);
int getFDSelect( int nGlyphIndex) const;
int getGlyphSID( int nGlyphIndex) const;
OString getGlyphName( int nGlyphIndex);
bool getBaseAccent(ValType aBase, ValType aAccent, int* nBase, int* nAccent);
void read2push();
void writeType1Val( ValType);
void writeTypeOp( int nTypeOp);
void writeTypeEsc( int nTypeOp);
void writeCurveTo( int nStackPos, int nIX1, int nIY1, int nIX2, int nIY2, int nIX3, int nIY3);
void pop2MultiWrite( int nArgsPerTypo, int nTypeOp, int nTypeXor=0);
void popAll2Write( int nTypeOp);
public: // TODO: is public really needed?
// accessing the value stack
// TODO: add more checks
void push( ValType nVal) { mnValStack[ mnStackIdx++] = nVal;}
ValType popVal() { return ((mnStackIdx>0) ? mnValStack[ --mnStackIdx] : 0);}
ValType getVal( int nIndex) const { return mnValStack[ nIndex];}
int popInt();
int size() const { return mnStackIdx;}
void clear() { mnStackIdx = 0;}
// accessing the charstring hints
void addHints( bool bVerticalHints);
// accessing other charstring specifics
void updateWidth( bool bUseFirstVal);
private:
// typeop execution context
int mnStackIdx;
ValType mnValStack[ NMAXSTACK+4];
ValType mnTransVals[ NMAXTRANS];
int mnHintSize;
int mnHorzHintSize;
ValType mnHintStack[ NMAXHINTS];
ValType maCharWidth;
bool mbDoSeac;
std::vector<sal_GlyphId> maExtraGlyphIds;
};
}
CffSubsetterContext::CffSubsetterContext( const U8* pBasePtr, int nBaseLen)
: mpBasePtr( pBasePtr)
, mpBaseEnd( pBasePtr+nBaseLen)
, mpReadPtr(nullptr)
, mpReadEnd(nullptr)
, mpWritePtr(nullptr)
, mbNeedClose(false)
, mbIgnoreHints(false)
, mnCntrMask(0)
, mnStackIdx(0)
, mnValStack{}
, mnTransVals{}
, mnHintSize(0)
, mnHorzHintSize(0)
, mnHintStack{}
, maCharWidth(-1)
, mbDoSeac(true)
{
// setCharStringType( 1);
// TODO: new CffLocal[ mnFDAryCount];
mpCffLocal = &maCffLocal[0];
}
inline int CffSubsetterContext::popInt()
{
const ValType aVal = popVal();
const int nInt = static_cast<int>(aVal);
assert( nInt == aVal);
return nInt;
}
inline void CffSubsetterContext::updateWidth( bool bUseFirstVal)
{
// the first value is not a hint but the charwidth
if( maCharWidth>0 )
return;
if( bUseFirstVal) {
maCharWidth = mpCffLocal->maNominalWidth + mnValStack[0];
// remove bottom stack entry
--mnStackIdx;
for( int i = 0; i < mnStackIdx; ++i)
mnValStack[ i] = mnValStack[ i+1];
} else {
maCharWidth = mpCffLocal->maDefaultWidth;
}
}
void CffSubsetterContext::addHints( bool bVerticalHints)
{
// the first charstring value may a charwidth instead of a charwidth
updateWidth( (mnStackIdx & 1) != 0);
// return early (e.g. no implicit hints for hintmask)
if( !mnStackIdx)
return;
// copy the remaining values to the hint arrays
// assert( (mnStackIdx & 1) == 0); // depends on called subrs
if( mnStackIdx & 1) --mnStackIdx;//#######
// TODO: if( !bSubr) assert( mnStackIdx >= 2);
assert( (mnHintSize + mnStackIdx) <= 2*NMAXHINTS);
ValType nHintOfs = 0;
for( int i = 0; i < mnStackIdx; ++i) {
nHintOfs += mnValStack[ i ];
mnHintStack[ mnHintSize++] = nHintOfs;
}
if( !bVerticalHints)
mnHorzHintSize = mnHintSize;
// clear all values from the stack
mnStackIdx = 0;
}
void CffSubsetterContext::readDictOp()
{
const U8 c = *mpReadPtr;
if( c <= 21 ) {
int nOpId = *(mpReadPtr++);
const char* pCmdName = nullptr;
if( nOpId != 12)
pCmdName = pDictOps[nOpId];
else {
const U8 nExtId = *(mpReadPtr++);
if (nExtId < 39)
pCmdName = pDictEscs[nExtId];
nOpId = 900 + nExtId;
}
if (!pCmdName) // skip reserved operators
return;
//TODO: if( nStackIdx > 0)
int nInt = 0;
switch( *pCmdName) {
default: SAL_WARN("vcl.fonts", "unsupported DictOp.type='" << *pCmdName << "'."); break;
case 'b': // bool
nInt = popInt();
switch( nOpId) {
case 915: mpCffLocal->mbForceBold = nInt; break; // "ForceBold"
default: break; // TODO: handle more boolean dictops?
}
break;
case 'n': { // dict-op number
ValType nVal = popVal();
nInt = static_cast<int>(nVal);
switch( nOpId) {
case 10: mpCffLocal->maStemStdHW = nVal; break; // "StdHW"
case 11: mpCffLocal->maStemStdVW = nVal; break; // "StdVW"
case 15: mnCharsetBase = nInt; break; // "charset"
case 16: break; // "nEncoding"
case 17: mnCharStrBase = nInt; break; // "nCharStrings"
case 19: mpCffLocal->mnLocalSubrOffs = nInt; break;// "nSubrs"
case 20: mpCffLocal->maDefaultWidth = nVal; break; // "defaultWidthX"
case 21: mpCffLocal->maNominalWidth = nVal; break; // "nominalWidthX"
case 909: mpCffLocal->mfBlueScale = nVal; break; // "BlueScale"
case 910: mpCffLocal->mfBlueShift = nVal; break; // "BlueShift"
case 911: mpCffLocal->mfBlueFuzz = nVal; break; // "BlueFuzz"
case 912: mpCffLocal->mfExpFactor = nVal; break; // "ExpansionFactor"
case 917: mpCffLocal->mnLangGroup = nInt; break; // "LanguageGroup"
case 936: mnFontDictBase = nInt; break; // "nFDArray"
case 937: mnFDSelectBase = nInt; break; // "nFDSelect"
default: break; // TODO: handle more numeric dictops?
}
} break;
case 'a': { // array
switch( nOpId) {
case 5: maFontBBox.clear(); break; // "FontBBox"
case 907: maFontMatrix.clear(); break; // "FontMatrix"
default: break; // TODO: reset other arrays?
}
for( int i = 0; i < size(); ++i ) {
ValType nVal = getVal(i);
switch( nOpId) {
case 5: maFontBBox.push_back( nVal); break; // "FontBBox"
case 907: maFontMatrix.push_back( nVal); break; // "FontMatrix"
default: break; // TODO: handle more array dictops?
}
}
clear();
} break;
case 'd': { // delta array
ValType nVal = 0;
for( int i = 0; i < size(); ++i ) {
nVal += getVal(i);
switch( nOpId) {
case 6: mpCffLocal->maBlueValues.push_back( nVal); break; // "BlueValues"
case 7: mpCffLocal->maOtherBlues.push_back( nVal); break; // "OtherBlues"
case 8: mpCffLocal->maFamilyBlues.push_back( nVal); break; // "FamilyBlues"
case 9: mpCffLocal->maFamilyOtherBlues.push_back( nVal); break;// "FamilyOtherBlues"
case 912: mpCffLocal->maStemSnapH.push_back( nVal); break; // "StemSnapH"
case 913: mpCffLocal->maStemSnapV.push_back( nVal); break; // "StemSnapV"
default: break; // TODO: handle more delta-array dictops?
}
}
clear();
} break;
case 's': // stringid (SID)
nInt = popInt();
switch( nOpId ) {
case 2: mnFullNameSID = nInt; break; // "FullName"
case 3: break; // "FamilyName"
case 938: mnFontNameSID = nInt; break; // "FontName"
default: break; // TODO: handle more string dictops?
}
break;
case 'P': // private dict
mpCffLocal->mnPrivDictBase = popInt();
mpCffLocal->mnPrivDictSize = popInt();
break;
case 'r': { // ROS operands
popInt(); // TODO: use sid1
popInt(); // TODO: use sid2
popVal();
mbCIDFont = true;
} break;
case 't': // CharstringType
popInt();
break;
}
} else if( (c >= 32) || (c == 28) ) {
// --mpReadPtr;
read2push();
} else if( c == 29 ) { // longint
++mpReadPtr; // skip 29
sal_Int32 nS32 = mpReadPtr[0] << 24;
nS32 += mpReadPtr[1] << 16;
nS32 += mpReadPtr[2] << 8;
nS32 += mpReadPtr[3] << 0;
mpReadPtr += 4;
ValType nVal = static_cast<ValType>(nS32);
push( nVal );
} else if( c == 30) { // real number
++mpReadPtr; // skip 30
const RealType fReal = readRealVal();
// push value onto stack
ValType nVal = fReal;
push( nVal);
}
}
void CffSubsetterContext::read2push()
{
ValType aVal = 0;
const U8*& p = mpReadPtr;
const U8 c = *p;
if( c == 28 ) {
sal_Int16 nS16 = (p[1] << 8) + p[2];
aVal = nS16;
p += 3;
} else if( c <= 246 ) { // -107..+107
aVal = static_cast<ValType>(p[0] - 139);
p += 1;
} else if( c <= 250 ) { // +108..+1131
aVal = static_cast<ValType>(((p[0] << 8) + p[1]) - 63124);
p += 2;
} else if( c <= 254 ) { // -108..-1131
aVal = static_cast<ValType>(64148 - ((p[0] << 8) + p[1]));
p += 2;
} else /*if( c == 255)*/ { // Fixed16.16
int nS32 = (p[1] << 24) + (p[2] << 16) + (p[3] << 8) + p[4];
if( (sizeof(nS32) != 2) && (nS32 & (1U<<31)))
nS32 |= (~0U) << 31; // assuming 2s complement
aVal = static_cast<ValType>(nS32 * (1.0 / 0x10000));
p += 5;
}
push( aVal);
}
void CffSubsetterContext::writeType1Val( ValType aVal)
{
U8* pOut = mpWritePtr;
// tdf#126242
// Type2 has 16.16 fixed numbers, but Type1 does not. To represent values
// with fractions we multiply it by a factor then use “div” operator to
// divide it back and keep the fractions.
// Code Adapted from:
// https://github.com/fontforge/fontforge/blob/f152f12e567ea5bd737a2907c318ae26cfaabd08/fontforge/splinesave.c#L378
int nDiv = 0;
aVal = rint(aVal * 1024) / 1024;
if (aVal != floor(aVal))
{
if (aVal == rint(aVal * 64) / 64)
nDiv = 64;
else
nDiv = 1024;
aVal *= nDiv;
}
int nInt = static_cast<int>(rint(aVal));
if (nDiv && floor(nInt) / nDiv == floor(nInt / nDiv))
{
nInt = rint(nInt / nDiv);
nDiv = 0;
}
if( (nInt >= -107) && (nInt <= +107)) {
*(pOut++) = static_cast<U8>(nInt + 139); // -107..+107
} else if( (nInt >= -1131) && (nInt <= +1131)) {
if( nInt >= 0)
nInt += 63124; // +108..+1131
else
nInt = 64148 - nInt; // -108..-1131
*(pOut++) = static_cast<U8>(nInt >> 8);
*(pOut++) = static_cast<U8>(nInt);
} else {
// numtype==255 means int32 for Type1, but 16.16 for Type2 charstrings!!!
*(pOut++) = 255;
*(pOut++) = static_cast<U8>(nInt >> 24);
*(pOut++) = static_cast<U8>(nInt >> 16);
*(pOut++) = static_cast<U8>(nInt >> 8);
*(pOut++) = static_cast<U8>(nInt);
}
mpWritePtr = pOut;
if (nDiv)
{
writeType1Val(nDiv);
writeTypeEsc(TYPE1OP::DIV);
}
}
inline void CffSubsetterContext::writeTypeOp( int nTypeOp)
{
*(mpWritePtr++) = static_cast<U8>(nTypeOp);
}
inline void CffSubsetterContext::writeTypeEsc( int nTypeEsc)
{
*(mpWritePtr++) = TYPE1OP::T1ESC;
*(mpWritePtr++) = static_cast<U8>(nTypeEsc);
}
void CffSubsetterContext::pop2MultiWrite( int nArgsPerTypo, int nTypeOp, int nTypeXor)
{
for( int i = 0; i < mnStackIdx;) {
for( int j = 0; j < nArgsPerTypo; ++j) {
const ValType aVal = mnValStack[i+j];
writeType1Val( aVal);
}
i += nArgsPerTypo;
writeTypeOp( nTypeOp);
nTypeOp ^= nTypeXor; // for toggling vlineto/hlineto
}
clear();
}
void CffSubsetterContext::popAll2Write( int nTypeOp)
{
// pop in reverse order, then write
for( int i = 0; i < mnStackIdx; ++i) {
const ValType aVal = mnValStack[i];
writeType1Val( aVal);
}
clear();
writeTypeOp( nTypeOp);
}
void CffSubsetterContext::writeCurveTo( int nStackPos,
int nIX1, int nIY1, int nIX2, int nIY2, int nIX3, int nIY3)
{
// get the values from the stack
const ValType nDX1 = nIX1 ? mnValStack[ nStackPos+nIX1 ] : 0;
const ValType nDY1 = nIY1 ? mnValStack[ nStackPos+nIY1 ] : 0;
const ValType nDX2 = nIX2 ? mnValStack[ nStackPos+nIX2 ] : 0;
const ValType nDY2 = nIY2 ? mnValStack[ nStackPos+nIY2 ] : 0;
const ValType nDX3 = nIX3 ? mnValStack[ nStackPos+nIX3 ] : 0;
const ValType nDY3 = nIY3 ? mnValStack[ nStackPos+nIY3 ] : 0;
// emit the curveto operator and operands
// TODO: determine the most efficient curveto operator
// TODO: depending on type1op or type2op target
writeType1Val( nDX1 );
writeType1Val( nDY1 );
writeType1Val( nDX2 );
writeType1Val( nDY2 );
writeType1Val( nDX3 );
writeType1Val( nDY3 );
writeTypeOp( TYPE1OP::RCURVETO );
}
void CffSubsetterContext::convertOneTypeOp()
{
const int nType2Op = *(mpReadPtr++);
int i, nInt; // prevent WAE for declarations inside switch cases
// convert each T2op
switch( nType2Op) {
case TYPE2OP::T2ESC:
convertOneTypeEsc();
break;
case TYPE2OP::HSTEM:
case TYPE2OP::VSTEM:
addHints( nType2Op == TYPE2OP::VSTEM );
for( i = 0; i < mnHintSize; i+=2 ) {
writeType1Val( mnHintStack[i]);
writeType1Val( mnHintStack[i+1] - mnHintStack[i]);
writeTypeOp( nType2Op );
}
break;
case TYPE2OP::HSTEMHM:
case TYPE2OP::VSTEMHM:
addHints( nType2Op == TYPE2OP::VSTEMHM);
break;
case TYPE2OP::CNTRMASK:
// TODO: replace cntrmask with vstem3/hstem3
addHints( true);
{
U8 nMaskBit = 0;
U8 nMaskByte = 0;
for( i = 0; i < mnHintSize; i+=2, nMaskBit>>=1) {
if( !nMaskBit) {
nMaskByte = *(mpReadPtr++);
nMaskBit = 0x80;
}
if( !(nMaskByte & nMaskBit))
continue;
if( i >= 8*int(sizeof(mnCntrMask)))
mbIgnoreHints = true;
if( mbIgnoreHints)
continue;
mnCntrMask |= (1U << i);
}
}
break;
case TYPE2OP::HINTMASK:
addHints( true);
{
sal_Int32 nHintMask = 0;
int nCntrBits[2] = {0,0};
U8 nMaskBit = 0;
U8 nMaskByte = 0;
int const MASK_BITS = 8*sizeof(nHintMask);
for( i = 0; i < mnHintSize; i+=2, nMaskBit>>=1) {
if( !nMaskBit) {
nMaskByte = *(mpReadPtr++);
nMaskBit = 0x80;
}
if( !(nMaskByte & nMaskBit))
continue;
if( i >= MASK_BITS)
mbIgnoreHints = true;
if( mbIgnoreHints)
continue;
nHintMask |= (1U << i);
nCntrBits[ i < mnHorzHintSize] += (mnCntrMask >> i) & 1;
}
mbIgnoreHints |= (nCntrBits[0] && (nCntrBits[0] != 3));
mbIgnoreHints |= (nCntrBits[1] && (nCntrBits[1] != 3));
if( mbIgnoreHints)
break;
for( i = 0; i < mnHintSize; i+=2) {
if(i >= MASK_BITS || !(nHintMask & (1U << i)))
continue;
writeType1Val( mnHintStack[i]);
writeType1Val( mnHintStack[i+1] - mnHintStack[i]);
const bool bHorz = (i < mnHorzHintSize);
if( !nCntrBits[ bHorz])
writeTypeOp( bHorz ? TYPE1OP::HSTEM : TYPE1OP::VSTEM);
else if( !--nCntrBits[ bHorz])
writeTypeEsc( bHorz ? TYPE1OP::HSTEM3 : TYPE1OP::VSTEM3);
}
}
break;
case TYPE2OP::CALLSUBR:
case TYPE2OP::CALLGSUBR:
{
nInt = popInt();
const bool bGlobal = (nType2Op == TYPE2OP::CALLGSUBR);
callType2Subr( bGlobal, nInt);
}
break;
case TYPE2OP::RETURN:
// TODO: check that we are in a subroutine
return;
case TYPE2OP::VMOVETO:
case TYPE2OP::HMOVETO:
if( mbNeedClose)
writeTypeOp( TYPE1OP::CLOSEPATH);
else
updateWidth( size() > 1);
mbNeedClose = true;
pop2MultiWrite( 1, nType2Op);
break;
case TYPE2OP::VLINETO:
case TYPE2OP::HLINETO:
pop2MultiWrite( 1, nType2Op,
TYPE1OP::VLINETO ^ TYPE1OP::HLINETO);
break;
case TYPE2OP::RMOVETO:
// TODO: convert rmoveto to vlineto/hlineto if possible
if( mbNeedClose)
writeTypeOp( TYPE1OP::CLOSEPATH);
else
updateWidth( size() > 2);
mbNeedClose = true;
pop2MultiWrite( 2, nType2Op);
break;
case TYPE2OP::RLINETO:
// TODO: convert rlineto to vlineto/hlineto if possible
pop2MultiWrite( 2, nType2Op);
break;
case TYPE2OP::RCURVETO:
// TODO: convert rcurveto to vh/hv/hh/vv-curveto if possible
pop2MultiWrite( 6, nType2Op);
break;
case TYPE2OP::RCURVELINE:
i = 0;
while( (i += 6) <= mnStackIdx)
writeCurveTo( i, -6, -5, -4, -3, -2, -1 );
i -= 6;
while( (i += 2) <= mnStackIdx) {
writeType1Val( mnValStack[i-2]);
writeType1Val( mnValStack[i-1]);
writeTypeOp( TYPE2OP::RLINETO);
}
clear();
break;
case TYPE2OP::RLINECURVE:
i = 0;
while( (i += 2) <= mnStackIdx-6) {
writeType1Val( mnValStack[i-2]);
writeType1Val( mnValStack[i-1]);
writeTypeOp( TYPE2OP::RLINETO);
}
i -= 2;
while( (i += 6) <= mnStackIdx)
writeCurveTo( i, -6, -5, -4, -3, -2, -1 );
clear();
break;
case TYPE2OP::VHCURVETO:
case TYPE2OP::HVCURVETO:
{
bool bVert = (nType2Op == TYPE2OP::VHCURVETO);
i = 0;
nInt = 0;
if( mnStackIdx & 1 )
nInt = static_cast<int>(mnValStack[ --mnStackIdx ]);
while( (i += 4) <= mnStackIdx) {
// TODO: use writeCurveTo()
if( bVert ) writeType1Val( 0 );
writeType1Val( mnValStack[i-4] );
if( !bVert ) writeType1Val( 0);
writeType1Val( mnValStack[i-3] );
writeType1Val( mnValStack[i-2] );
if( !bVert ) writeType1Val( static_cast<ValType>((i==mnStackIdx) ? nInt : 0) );
writeType1Val( mnValStack[i-1] );
if( bVert ) writeType1Val( static_cast<ValType>((i==mnStackIdx) ? nInt : 0) );
bVert = !bVert;
writeTypeOp( TYPE2OP::RCURVETO);
}
}
clear();
break;
case TYPE2OP::HHCURVETO:
i = (mnStackIdx & 1);
while( (i += 4) <= mnStackIdx) {
if( i != 5)
writeCurveTo( i, -4, 0, -3, -2, -1, 0);
else
writeCurveTo( i, -4, -5, -3, -2, -1, 0);
}
clear();
break;
case TYPE2OP::VVCURVETO:
i = (mnStackIdx & 1);
while( (i += 4) <= mnStackIdx) {
if( i != 5)
writeCurveTo( i, 0, -4, -3, -2, 0, -1);
else
writeCurveTo( i, -5, -4, -3, -2, 0, -1);
}
clear();
break;
case TYPE2OP::ENDCHAR:
if (size() >= 4 && mbDoSeac)
{
// Deprecated seac-like use of endchar (Adobe Technical Note #5177,
// Appendix C).
auto achar = popVal();
auto bchar = popVal();
auto ady = popVal();
auto adx = popVal();
int nBase = {}, nAccent = {};
if (getBaseAccent(bchar, achar, &nBase, &nAccent))
{
maExtraGlyphIds.push_back(nBase);
maExtraGlyphIds.push_back(nAccent);
writeType1Val(0); // TODO accent sb
writeType1Val(adx);
writeType1Val(ady);
writeType1Val(bchar);
writeType1Val(achar);
writeTypeEsc(TYPE1OP::SEAC);
}
}
if( mbNeedClose)
writeTypeOp( TYPE1OP::CLOSEPATH);
else
updateWidth( size() >= 1);
// mbNeedClose = true;
writeTypeOp( TYPE1OP::ENDCHAR);
break;
default:
if( ((nType2Op >= 32) && (nType2Op <= 255)) || (nType2Op == 28)) {
--mpReadPtr;
read2push();
} else {
popAll2Write( nType2Op);
assert(false && "TODO?");
}
break;
}
}
void CffSubsetterContext::convertOneTypeEsc()
{
const int nType2Esc = *(mpReadPtr++);
ValType* pTop = &mnValStack[ mnStackIdx-1];
// convert each T2op
switch( nType2Esc) {
case TYPE2OP::AND:
assert( mnStackIdx >= 2 );
pTop[0] = static_cast<ValType>(static_cast<int>(pTop[0]) & static_cast<int>(pTop[-1]));
--mnStackIdx;
break;
case TYPE2OP::OR:
assert( mnStackIdx >= 2 );
pTop[0] = static_cast<ValType>(static_cast<int>(pTop[0]) | static_cast<int>(pTop[-1]));
--mnStackIdx;
break;
case TYPE2OP::NOT:
assert( mnStackIdx >= 1 );
pTop[0] = ValType(pTop[0] == 0);
break;
case TYPE2OP::ABS:
assert( mnStackIdx >= 1 );
if( pTop[0] >= 0)
break;
[[fallthrough]];
case TYPE2OP::NEG:
assert( mnStackIdx >= 1 );
pTop[0] = -pTop[0];
break;
case TYPE2OP::ADD:
assert( mnStackIdx >= 2 );
pTop[0] += pTop[-1];
--mnStackIdx;
break;
case TYPE2OP::SUB:
assert( mnStackIdx >= 2 );
pTop[0] -= pTop[-1];
--mnStackIdx;
break;
case TYPE2OP::MUL:
assert( mnStackIdx >= 2 );
if( pTop[-1])
pTop[0] *= pTop[-1];
--mnStackIdx;
break;
case TYPE2OP::DIV:
assert( mnStackIdx >= 2 );
if( pTop[-1])
pTop[0] /= pTop[-1];
--mnStackIdx;
break;
case TYPE2OP::EQ:
assert( mnStackIdx >= 2 );
pTop[0] = ValType(pTop[0] == pTop[-1]);
--mnStackIdx;
break;
case TYPE2OP::DROP:
assert( mnStackIdx >= 1 );
--mnStackIdx;
break;
case TYPE2OP::PUT: {
assert( mnStackIdx >= 2 );
const int nIdx = static_cast<int>(pTop[0]);
assert( nIdx >= 0 );
assert( nIdx < NMAXTRANS );
mnTransVals[ nIdx] = pTop[-1];
mnStackIdx -= 2;
break;
}
case TYPE2OP::GET: {
assert( mnStackIdx >= 1 );
const int nIdx = static_cast<int>(pTop[0]);
assert( nIdx >= 0 );
assert( nIdx < NMAXTRANS );
pTop[0] = mnTransVals[ nIdx ];
break;
}
case TYPE2OP::IFELSE: {
assert( mnStackIdx >= 4 );
if( pTop[-1] > pTop[0] )
pTop[-3] = pTop[-2];
mnStackIdx -= 3;
break;
}
case TYPE2OP::RANDOM:
pTop[+1] = 1234; // TODO
++mnStackIdx;
break;
case TYPE2OP::SQRT:
// TODO: implement
break;
case TYPE2OP::DUP:
assert( mnStackIdx >= 1 );
pTop[+1] = pTop[0];
++mnStackIdx;
break;
case TYPE2OP::EXCH: {
assert( mnStackIdx >= 2 );
const ValType nVal = pTop[0];
pTop[0] = pTop[-1];
pTop[-1] = nVal;
break;
}
case TYPE2OP::INDEX: {
assert( mnStackIdx >= 1 );
const int nVal = static_cast<int>(pTop[0]);
assert( nVal >= 0 );
assert( nVal < mnStackIdx-1 );
pTop[0] = pTop[-1-nVal];
break;
}
case TYPE2OP::ROLL: {
assert( mnStackIdx >= 1 );
const int nNum = static_cast<int>(pTop[0]);
assert( nNum >= 0);
assert( nNum < mnStackIdx-2 );
(void)nNum; // TODO: implement
// TODO: implement: const int nOfs = static_cast<int>(pTop[-1]);
mnStackIdx -= 2;
break;
}
case TYPE2OP::HFLEX1: {
assert( mnStackIdx == 9);
writeCurveTo( mnStackIdx, -9, -8, -7, -6, -5, 0);
writeCurveTo( mnStackIdx, -4, 0, -3, -2, -1, 0);
// TODO: emulate hflex1 using othersubr call
mnStackIdx -= 9;
}
break;
case TYPE2OP::HFLEX: {
assert( mnStackIdx == 7);
ValType* pX = &mnValStack[ mnStackIdx];
pX[+1] = -pX[-5]; // temp: +dy5==-dy2
writeCurveTo( mnStackIdx, -7, 0, -6, -5, -4, 0);
writeCurveTo( mnStackIdx, -3, 0, -2, +1, -1, 0);
// TODO: emulate hflex using othersubr call
mnStackIdx -= 7;
}
break;
case TYPE2OP::FLEX: {
assert( mnStackIdx == 13 );
writeCurveTo( mnStackIdx, -13, -12, -11, -10, -9, -8 );
writeCurveTo( mnStackIdx, -7, -6, -5, -4, -3, -2 );
// ignoring ValType nFlexDepth = mnValStack[ mnStackIdx-1 ];
mnStackIdx -= 13;
}
break;
case TYPE2OP::FLEX1: {
assert( mnStackIdx == 11 );
// write the first part of the flex1-hinted curve
writeCurveTo( mnStackIdx, -11, -10, -9, -8, -7, -6 );
// determine if nD6 is horizontal or vertical
const int i = mnStackIdx;
ValType nDeltaX = mnValStack[i-11] + mnValStack[i-9] + mnValStack[i-7] + mnValStack[i-5] + mnValStack[i-3];
if( nDeltaX < 0 ) nDeltaX = -nDeltaX;
ValType nDeltaY = mnValStack[i-10] + mnValStack[i-8] + mnValStack[i-6] + mnValStack[i-4] + mnValStack[i-2];
if( nDeltaY < 0 ) nDeltaY = -nDeltaY;
const bool bVertD6 = (nDeltaY > nDeltaX);
// write the second part of the flex1-hinted curve
if( !bVertD6 )
writeCurveTo( mnStackIdx, -5, -4, -3, -2, -1, 0);
else
writeCurveTo( mnStackIdx, -5, -4, -3, -2, 0, -1);
mnStackIdx -= 11;
}
break;
default:
SAL_WARN("vcl.fonts", "unhandled type2esc " << nType2Esc);
assert( false);
break;
}
}
void CffSubsetterContext::callType2Subr( bool bGlobal, int nSubrNumber)
{
const U8* const pOldReadPtr = mpReadPtr;
const U8* const pOldReadEnd = mpReadEnd;
if( bGlobal ) {
nSubrNumber += mnGlobalSubrBias;
seekIndexData( mnGlobalSubrBase, nSubrNumber);
} else {
nSubrNumber += mpCffLocal->mnLocalSubrBias;
seekIndexData( mpCffLocal->mnLocalSubrBase, nSubrNumber);
}
while( mpReadPtr < mpReadEnd)
convertOneTypeOp();
mpReadPtr = pOldReadPtr;
mpReadEnd = pOldReadEnd;
}
int CffSubsetterContext::convert2Type1Ops( CffLocal* pCffLocal, const U8* const pT2Ops, int nT2Len, U8* const pT1Ops)
{
mpCffLocal = pCffLocal;
// prepare the charstring conversion
mpWritePtr = pT1Ops;
U8 aType1Ops[ MAX_T1OPS_SIZE];
if( !pT1Ops)
mpWritePtr = aType1Ops;
*const_cast<U8**>(&pT1Ops) = mpWritePtr;
// prepend random seed for T1crypt
*(mpWritePtr++) = 0x48;
*(mpWritePtr++) = 0x44;
*(mpWritePtr++) = 0x55;
*(mpWritePtr++) = ' ';
// convert the Type2 charstring to Type1
mpReadPtr = pT2Ops;
mpReadEnd = pT2Ops + nT2Len;
// prepend "hsbw" or "sbw"
// TODO: only emit hsbw when charwidth is known
writeType1Val(0); // TODO: aSubsetterContext.getLeftSideBearing();
U8* pCharWidthPtr=mpWritePtr; // need to overwrite that later
// pad out 5 bytes for the char width with default val 1000 (to be
// filled with the actual value below)
*(mpWritePtr++) = 255;
*(mpWritePtr++) = static_cast<U8>(0);
*(mpWritePtr++) = static_cast<U8>(0);
*(mpWritePtr++) = static_cast<U8>(250);
*(mpWritePtr++) = static_cast<U8>(124);
writeTypeOp(TYPE1OP::HSBW);
mbNeedClose = false;
mbIgnoreHints = false;
mnHintSize=mnHorzHintSize=mnStackIdx=0; maCharWidth=-1;//#######
mnCntrMask = 0;
while( mpReadPtr < mpReadEnd)
convertOneTypeOp();
if( maCharWidth != -1 )
{
// overwrite earlier charWidth value, which we only now have
// parsed out of mpReadPtr buffer (by way of
// convertOneTypeOp()s above)
const int nInt = static_cast<int>(maCharWidth);
*(pCharWidthPtr++) = 255;
*(pCharWidthPtr++) = static_cast<U8>(nInt >> 24);
*(pCharWidthPtr++) = static_cast<U8>(nInt >> 16);
*(pCharWidthPtr++) = static_cast<U8>(nInt >> 8);
*(pCharWidthPtr++) = static_cast<U8>(nInt);
}
const int nType1Len = mpWritePtr - pT1Ops;
// encrypt the Type1 charstring
unsigned nRDCryptR = 4330; // TODO: mnRDCryptSeed;
for( U8* p = pT1Ops; p < mpWritePtr; ++p) {
*p ^= (nRDCryptR >> 8);
nRDCryptR = (*p + nRDCryptR) * 52845 + 22719;
}
return nType1Len;
}
RealType CffSubsetterContext::readRealVal()
{
// TODO: more thorough number validity test
bool bComma = false;
int nExpVal = 0;
int nExpSign = 0;
S64 nNumber = 0;
RealType fReal = +1.0;
for(;;){
const U8 c = *(mpReadPtr++); // read nibbles
// parse high nibble
const U8 nH = c >> 4U;
if( nH <= 9) {
nNumber = nNumber * 10 + nH;
--nExpVal;
} else if( nH == 10) { // comma
nExpVal = 0;
bComma = true;
} else if( nH == 11) { // +exp
fReal *= nNumber;
nExpSign = +1;
nNumber = 0;
} else if( nH == 12) { // -exp
fReal *= nNumber;
nExpSign = -1;
nNumber = 0;
} else if( nH == 13) { // reserved
// TODO: ignore or error?
} else if( nH == 14) // minus
fReal = -fReal;
else if( nH == 15) // end
break;
// parse low nibble
const U8 nL = c & 0x0F;
if( nL <= 9) {
nNumber = nNumber * 10 + nL;
--nExpVal;
} else if( nL == 10) { // comma
nExpVal = 0;
bComma = true;
} else if( nL == 11) { // +exp
fReal *= nNumber;
nNumber = 0;
nExpSign = +1;
} else if( nL == 12) { // -exp
fReal *= nNumber;
nNumber = 0;
nExpSign = -1;
} else if( nL == 13) { // reserved
// TODO: ignore or error?
} else if( nL == 14) // minus
fReal = -fReal;
else if( nL == 15) // end
break;
}
// merge exponents
if( !bComma)
nExpVal = 0;
if( !nExpSign) { fReal *= nNumber;}
else if( nExpSign > 0) { nExpVal += static_cast<int>(nNumber);}
else if( nExpSign < 0) { nExpVal -= static_cast<int>(nNumber);}
// apply exponents
if( !nExpVal) { /*nothing to apply*/}
else if( nExpVal > 0) { while( --nExpVal >= 0) fReal *= 10.0;}
else if( nExpVal < 0) { while( ++nExpVal <= 0) fReal /= 10.0;}
return fReal;
}
// prepare to access an element inside a CFF/CID index table
int CffSubsetterContext::seekIndexData( int nIndexBase, int nDataIndex)
{
assert( (nIndexBase > 0) && (mpBasePtr + nIndexBase + 3 <= mpBaseEnd));
if( nDataIndex < 0)
return -1;
mpReadPtr = mpBasePtr + nIndexBase;
const int nDataCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
if( nDataIndex >= nDataCount)
return -1;
const int nDataOfsSz = mpReadPtr[2];
mpReadPtr += 3 + (nDataOfsSz * nDataIndex);
int nOfs1 = 0;
switch( nDataOfsSz) {
default: SAL_WARN("vcl.fonts", "\tINVALID nDataOfsSz=" << nDataOfsSz); return -1;
case 1: nOfs1 = mpReadPtr[0]; break;
case 2: nOfs1 = (mpReadPtr[0]<<8) + mpReadPtr[1]; break;
case 3: nOfs1 = (mpReadPtr[0]<<16) + (mpReadPtr[1]<<8) + mpReadPtr[2]; break;
case 4: nOfs1 = (mpReadPtr[0]<<24) + (mpReadPtr[1]<<16) + (mpReadPtr[2]<<8) + mpReadPtr[3]; break;
}
mpReadPtr += nDataOfsSz;
int nOfs2 = 0;
switch( nDataOfsSz) {
case 1: nOfs2 = mpReadPtr[0]; break;
case 2: nOfs2 = (mpReadPtr[0]<<8) + mpReadPtr[1]; break;
case 3: nOfs2 = (mpReadPtr[0]<<16) + (mpReadPtr[1]<<8) + mpReadPtr[2]; break;
case 4: nOfs2 = (mpReadPtr[0]<<24) + (mpReadPtr[1]<<16) + (mpReadPtr[2]<<8) + mpReadPtr[3]; break;
}
mpReadPtr = mpBasePtr + (nIndexBase + 2) + nDataOfsSz * (nDataCount + 1) + nOfs1;
mpReadEnd = mpReadPtr + (nOfs2 - nOfs1);
assert( nOfs1 >= 0);
assert( nOfs2 >= nOfs1);
assert( mpReadPtr <= mpBaseEnd);
assert( mpReadEnd <= mpBaseEnd);
return (nOfs2 - nOfs1);
}
// skip over a CFF/CID index table
void CffSubsetterContext::seekIndexEnd( int nIndexBase)
{
assert( (nIndexBase > 0) && (mpBasePtr + nIndexBase + 3 <= mpBaseEnd));
mpReadPtr = mpBasePtr + nIndexBase;
const int nDataCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
const int nDataOfsSz = mpReadPtr[2];
mpReadPtr += 3 + nDataOfsSz * nDataCount;
assert( mpReadPtr <= mpBaseEnd);
int nEndOfs = 0;
switch( nDataOfsSz) {
default: SAL_WARN("vcl.fonts", "\tINVALID nDataOfsSz=" << nDataOfsSz); return;
case 1: nEndOfs = mpReadPtr[0]; break;
case 2: nEndOfs = (mpReadPtr[0]<<8) + mpReadPtr[1]; break;
case 3: nEndOfs = (mpReadPtr[0]<<16) + (mpReadPtr[1]<<8) + mpReadPtr[2];break;
case 4: nEndOfs = (mpReadPtr[0]<<24) + (mpReadPtr[1]<<16) + (mpReadPtr[2]<<8) + mpReadPtr[3]; break;
}
mpReadPtr += nDataOfsSz;
mpReadPtr += nEndOfs - 1;
mpReadEnd = mpBaseEnd;
assert( nEndOfs >= 0);
assert( mpReadEnd <= mpBaseEnd);
}
// initialize FONTDICT specific values
CffLocal::CffLocal()
: mnPrivDictBase( 0)
, mnPrivDictSize( 0)
, mnLocalSubrOffs( 0)
, mnLocalSubrBase( 0)
, mnLocalSubrBias( 0)
, maNominalWidth( 0)
, maDefaultWidth( 0)
, maStemStdHW( 0)
, maStemStdVW( 0)
, mfBlueScale( 0.0)
, mfBlueShift( 0.0)
, mfBlueFuzz( 0.0)
, mfExpFactor( 0.0)
, mnLangGroup( 0)
, mbForceBold( false)
{
}
CffGlobal::CffGlobal()
: mnNameIdxBase( 0)
, mnStringIdxBase( 0)
, mbCIDFont( false)
, mnCharStrBase( 0)
, mnCharStrCount( 0)
, mnCharsetBase( 0)
, mnGlobalSubrBase( 0)
, mnGlobalSubrCount( 0)
, mnGlobalSubrBias( 0)
, mnFDSelectBase( 0)
, mnFontDictBase( 0)
, mnFDAryCount( 1)
, mnFontNameSID( 0)
, mnFullNameSID( 0)
{
}
bool CffSubsetterContext::initialCffRead()
{
// get the CFFHeader
mpReadPtr = mpBasePtr;
const U8 nVerMajor = *(mpReadPtr++);
const U8 nVerMinor = *(mpReadPtr++);
const U8 nHeaderSize = *(mpReadPtr++);
const U8 nOffsetSize = *(mpReadPtr++);
// TODO: is the version number useful for anything else?
assert( (nVerMajor == 1) && (nVerMinor == 0));
(void)(nVerMajor + nVerMinor + nOffsetSize); // avoid compiler warnings
// prepare access to the NameIndex
mnNameIdxBase = nHeaderSize;
mpReadPtr = mpBasePtr + nHeaderSize;
seekIndexEnd( mnNameIdxBase);
// get the TopDict index
const sal_Int32 nTopDictBase = getReadOfs();
const int nTopDictCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
if( nTopDictCount) {
for( int i = 0; i < nTopDictCount; ++i) {
seekIndexData( nTopDictBase, i);
while( mpReadPtr < mpReadEnd)
readDictOp();
assert( mpReadPtr == mpReadEnd);
}
}
// prepare access to the String index
mnStringIdxBase = getReadOfs();
seekIndexEnd( mnStringIdxBase);
// prepare access to the GlobalSubr index
mnGlobalSubrBase = getReadOfs();
mnGlobalSubrCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
mnGlobalSubrBias = (mnGlobalSubrCount<1240)?107:(mnGlobalSubrCount<33900)?1131:32768;
// skip past the last GlobalSubr entry
// seekIndexEnd( mnGlobalSubrBase);
// get/skip the Encodings (we got mnEncodingBase from TOPDICT)
// seekEncodingsEnd( mnEncodingBase);
// get/skip the Charsets (we got mnCharsetBase from TOPDICT)
// seekCharsetsEnd( mnCharStrBase);
// get/skip FDSelect (CID only) data
// prepare access to the CharStrings index (we got the base from TOPDICT)
mpReadPtr = mpBasePtr + mnCharStrBase;
mnCharStrCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
// seekIndexEnd( mnCharStrBase);
// read the FDArray index (CID only)
if( mbCIDFont) {
// assert( mnFontDictBase == tellRel());
mpReadPtr = mpBasePtr + mnFontDictBase;
mnFDAryCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
if (o3tl::make_unsigned(mnFDAryCount) >= SAL_N_ELEMENTS(maCffLocal))
{
SAL_INFO("vcl.fonts", "CffSubsetterContext: too many CFF in font");
return false;
}
// read FDArray details to get access to the PRIVDICTs
for( int i = 0; i < mnFDAryCount; ++i) {
mpCffLocal = &maCffLocal[i];
seekIndexData( mnFontDictBase, i);
while( mpReadPtr < mpReadEnd)
readDictOp();
assert( mpReadPtr == mpReadEnd);
}
}
for( int i = 0; i < mnFDAryCount; ++i) {
mpCffLocal = &maCffLocal[i];
// get the PrivateDict index
// (we got mnPrivDictSize and mnPrivDictBase from TOPDICT or FDArray)
if( mpCffLocal->mnPrivDictSize != 0) {
assert( mpCffLocal->mnPrivDictSize > 0);
// get the PrivDict data
mpReadPtr = mpBasePtr + mpCffLocal->mnPrivDictBase;
mpReadEnd = mpReadPtr + mpCffLocal->mnPrivDictSize;
assert( mpReadEnd <= mpBaseEnd);
// read PrivDict details
while( mpReadPtr < mpReadEnd)
readDictOp();
}
// prepare access to the LocalSubrs (we got mnLocalSubrOffs from PRIVDICT)
if( mpCffLocal->mnLocalSubrOffs) {
// read LocalSubrs summary
mpCffLocal->mnLocalSubrBase = mpCffLocal->mnPrivDictBase + mpCffLocal->mnLocalSubrOffs;
mpReadPtr = mpBasePtr + mpCffLocal->mnLocalSubrBase;
const int nSubrCount = (mpReadPtr[0] << 8) + mpReadPtr[1];
mpCffLocal->mnLocalSubrBias = (nSubrCount<1240)?107:(nSubrCount<33900)?1131:32768;
// seekIndexEnd( mpCffLocal->mnLocalSubrBase);
}
}
// ignore the Notices info
return true;
}
// get a cstring from a StringID
OString CffSubsetterContext::getString( int nStringID)
{
// get a standard string if possible
const static int nStdStrings = SAL_N_ELEMENTS(pStringIds);
if( (nStringID >= 0) && (nStringID < nStdStrings))
return pStringIds[ nStringID];
// else get the string from the StringIndex table
comphelper::ValueRestorationGuard pReadPtr(mpReadPtr);
comphelper::ValueRestorationGuard pReadEnd(mpReadEnd);
nStringID -= nStdStrings;
int nLen = seekIndexData( mnStringIdxBase, nStringID);
// assert( nLen >= 0);
// TODO: just return the undecorated name
if( nLen < 0) {
return "name[" + OString::number(nStringID) + "].notfound!";
} else {
const int nMaxLen = 2560 - 1;
if( nLen >= nMaxLen)
nLen = nMaxLen; // TODO: still needed?
return OString(reinterpret_cast<char const *>(mpReadPtr), nLen);
}
}
// access a CID's FDSelect table
int CffSubsetterContext::getFDSelect( int nGlyphIndex) const
{
assert( nGlyphIndex >= 0);
assert( nGlyphIndex < mnCharStrCount);
if( !mbCIDFont)
return 0;
const U8* pReadPtr = mpBasePtr + mnFDSelectBase;
const U8 nFDSelFormat = *(pReadPtr++);
switch( nFDSelFormat) {
case 0: { // FDSELECT format 0
pReadPtr += nGlyphIndex;
const U8 nFDIdx = *(pReadPtr++);
return nFDIdx;
} //break;
case 3: { // FDSELECT format 3
const U16 nRangeCount = (pReadPtr[0]<<8) + pReadPtr[1];
assert( nRangeCount > 0);
assert( nRangeCount <= mnCharStrCount);
U16 nPrev = (pReadPtr[2]<<8) + pReadPtr[3];
assert( nPrev == 0);
(void)nPrev;
pReadPtr += 4;
// TODO? binary search
for( int i = 0; i < nRangeCount; ++i) {
const U8 nFDIdx = pReadPtr[0];
const U16 nNext = (pReadPtr[1]<<8) + pReadPtr[2];
assert( nPrev < nNext);
if( nGlyphIndex < nNext)
return nFDIdx;
pReadPtr += 3;
nPrev = nNext;
}
} break;
default: // invalid FDselect format
SAL_WARN("vcl.fonts", "invalid CFF.FdselType=" << nFDSelFormat);
break;
}
assert( false);
return -1;
}
int CffSubsetterContext::getGlyphSID( int nGlyphIndex) const
{
if( nGlyphIndex == 0)
return 0; // ".notdef"
assert( nGlyphIndex >= 0);
assert( nGlyphIndex < mnCharStrCount);
if( (nGlyphIndex < 0) || (nGlyphIndex >= mnCharStrCount))
return -1;
// get the SID/CID from the Charset table
const U8* pReadPtr = mpBasePtr + mnCharsetBase;
const U8 nCSetFormat = *(pReadPtr++);
int nGlyphsToSkip = nGlyphIndex - 1;
switch( nCSetFormat) {
case 0: // charset format 0
pReadPtr += 2 * nGlyphsToSkip;
nGlyphsToSkip = 0;
break;
case 1: // charset format 1
while( nGlyphsToSkip >= 0) {
const int nLeft = pReadPtr[2];
if( nGlyphsToSkip <= nLeft)
break;
nGlyphsToSkip -= nLeft + 1;
pReadPtr += 3;
}
break;
case 2: // charset format 2
while( nGlyphsToSkip >= 0) {
const int nLeft = (pReadPtr[2]<<8) + pReadPtr[3];
if( nGlyphsToSkip <= nLeft)
break;
nGlyphsToSkip -= nLeft + 1;
pReadPtr += 4;
}
break;
default:
SAL_WARN("vcl.fonts", "ILLEGAL CFF-Charset format " << nCSetFormat);
return -2;
}
int nSID = (pReadPtr[0]<<8) + pReadPtr[1];
nSID += nGlyphsToSkip;
// NOTE: for CID-fonts the resulting SID is interpreted as CID
return nSID;
}
// NOTE: the result becomes invalid with the next call to this method
OString CffSubsetterContext::getGlyphName( int nGlyphIndex)
{
// the first glyph is always the .notdef glyph
if( nGlyphIndex == 0)
return tok_notdef;
// get the glyph specific name
const int nSID = getGlyphSID( nGlyphIndex);
if( nSID < 0) // default glyph name
{
char aDefaultGlyphName[64];
o3tl::sprintf( aDefaultGlyphName, "gly%03d", nGlyphIndex);
return aDefaultGlyphName;
}
else if( mbCIDFont) // default glyph name in CIDs
{
char aDefaultGlyphName[64];
o3tl::sprintf( aDefaultGlyphName, "cid%03d", nSID);
return aDefaultGlyphName;
}
else { // glyph name from string table
auto const pSidName = getString( nSID);
// check validity of glyph name
const char* p = pSidName.getStr();
while( (*p >= '0') && (*p <= 'z')) ++p;
if( (p >= pSidName.getStr()+1) && (*p == '\0'))
return pSidName;
// if needed invent a fallback name
char aDefaultGlyphName[64];
o3tl::sprintf( aDefaultGlyphName, "bad%03d", nSID);
return aDefaultGlyphName;
}
}
bool CffSubsetterContext::getBaseAccent(ValType aBase, ValType aAccent, int* nBase, int* nAccent)
{
bool bBase = false, bAccent = false;
for (int i = 0; i < mnCharStrCount; i++)
{
OString pGlyphName = getGlyphName(i);
if (pGlyphName == pStandardEncoding[int(aBase)])
{
*nBase = i;
bBase = true;
}
if (pGlyphName == pStandardEncoding[int(aAccent)])
{
*nAccent = i;
bAccent = true;
}
if (bBase && bAccent)
return true;
}
return false;
}
namespace {
class Type1Emitter
{
public:
explicit Type1Emitter( SvStream* pOutFile, bool bPfbSubset);
~Type1Emitter();
void setSubsetName( const char* );
size_t emitRawData( const char* pData, size_t nLength) const;
void emitAllRaw();
void emitAllHex();
void emitAllCrypted();
int tellPos() const;
void updateLen( int nTellPos, size_t nLength);
void emitValVector( const char* pLineHead, const char* pLineTail, const std::vector<ValType>&);
private:
SvStream* mpFileOut;
unsigned mnEECryptR;
public:
OStringBuffer maBuffer;
char maSubsetName[256];
bool mbPfbSubset;
int mnHexLineCol;
};
}
Type1Emitter::Type1Emitter( SvStream* pOutFile, bool bPfbSubset)
: mpFileOut( pOutFile)
, mnEECryptR( 55665) // default eexec seed, TODO: mnEECryptSeed
, mbPfbSubset( bPfbSubset)
, mnHexLineCol( 0)
{
maSubsetName[0] = '\0';
}
Type1Emitter::~Type1Emitter()
{
if( !mpFileOut)
return;
mpFileOut = nullptr;
}
void Type1Emitter::setSubsetName( const char* pSubsetName)
{
maSubsetName[0] = '\0';
if( pSubsetName)
strncpy( maSubsetName, pSubsetName, sizeof(maSubsetName) - 1);
maSubsetName[sizeof(maSubsetName)-1] = '\0';
}
int Type1Emitter::tellPos() const
{
int nTellPos = mpFileOut->Tell();
return nTellPos;
}
void Type1Emitter::updateLen( int nTellPos, size_t nLength)
{
// update PFB segment header length
U8 cData[4];
cData[0] = static_cast<U8>(nLength >> 0);
cData[1] = static_cast<U8>(nLength >> 8);
cData[2] = static_cast<U8>(nLength >> 16);
cData[3] = static_cast<U8>(nLength >> 24);
const tools::Long nCurrPos = mpFileOut->Tell();
if (nCurrPos < 0)
return;
if (mpFileOut->Seek(nTellPos) != static_cast<sal_uInt64>(nTellPos))
return;
mpFileOut->WriteBytes(cData, sizeof(cData));
mpFileOut->Seek(nCurrPos);
}
inline size_t Type1Emitter::emitRawData(const char* pData, size_t nLength) const
{
return mpFileOut->WriteBytes( pData, nLength );
}
inline void Type1Emitter::emitAllRaw()
{
// writeout raw data
emitRawData( maBuffer.getStr(), maBuffer.getLength());
// reset the raw buffer
maBuffer.setLength(0);
}
inline void Type1Emitter::emitAllHex()
{
auto const end = maBuffer.getStr() + maBuffer.getLength();
for( const char* p = maBuffer.getStr(); p < end;) {
// convert binary chunk to hex
char aHexBuf[0x4000];
char* pOut = aHexBuf;
while( (p < end) && (pOut < aHexBuf+sizeof(aHexBuf)-4)) {
// convert each byte to hex
char cNibble = (static_cast<unsigned char>(*p) >> 4) & 0x0F;
cNibble += (cNibble < 10) ? '0' : 'A'-10;
*(pOut++) = cNibble;
cNibble = *(p++) & 0x0F;
cNibble += (cNibble < 10) ? '0' : 'A'-10;
*(pOut++) = cNibble;
// limit the line length
if( (++mnHexLineCol & 0x3F) == 0)
*(pOut++) = '\n';
}
// writeout hex-converted chunk
emitRawData( aHexBuf, pOut-aHexBuf);
}
// reset the raw buffer
maBuffer.setLength(0);
}
void Type1Emitter::emitAllCrypted()
{
// apply t1crypt
for( sal_Int32 i = 0; i < maBuffer.getLength(); ++i) {
maBuffer[i] ^= (mnEECryptR >> 8);
mnEECryptR = (static_cast<U8>(maBuffer[i]) + mnEECryptR) * 52845 + 22719;
}
// emit the t1crypt result
if( mbPfbSubset)
emitAllRaw();
else
emitAllHex();
}
// #i110387# quick-and-dirty double->ascii conversion
// also strip off trailing zeros in fraction while we are at it
static OString dbl2str( double fVal)
{
return rtl::math::doubleToString(fVal, rtl_math_StringFormat_G, 6, '.', true);
}
void Type1Emitter::emitValVector( const char* pLineHead, const char* pLineTail,
const std::vector<ValType>& rVector)
{
// ignore empty vectors
if( rVector.empty())
return;
// emit the line head
maBuffer.append( pLineHead);
// emit the vector values
std::vector<ValType>::value_type aVal = 0;
for( std::vector<ValType>::const_iterator it = rVector.begin();;) {
aVal = *it;
if( ++it == rVector.end() )
break;
maBuffer.append(dbl2str( aVal));
maBuffer.append(' ');
}
// emit the last value
maBuffer.append(dbl2str( aVal));
// emit the line tail
maBuffer.append( pLineTail);
}
void CffSubsetterContext::convertCharStrings(const sal_GlyphId* pGlyphIds, int nGlyphCount,
std::vector<CharString>& rCharStrings)
{
// If we are doing extra glyphs used for seac operator, check for already
// converted glyphs.
bool bCheckDuplicates = !rCharStrings.empty();
rCharStrings.reserve(rCharStrings.size() + nGlyphCount);
for (int i = 0; i < nGlyphCount; ++i)
{
const int nCffGlyphId = pGlyphIds[i];
assert((nCffGlyphId >= 0) && (nCffGlyphId < mnCharStrCount));
if (!bCheckDuplicates)
{
const auto& it
= std::find_if(rCharStrings.begin(), rCharStrings.end(),
[&](const CharString& c) { return c.nCffGlyphId == nCffGlyphId; });
if (it != rCharStrings.end())
continue;
}
// get privdict context matching to the glyph
const int nFDSelect = getFDSelect(nCffGlyphId);
if (nFDSelect < 0)
continue;
mpCffLocal = &maCffLocal[nFDSelect];
// convert the Type2op charstring to its Type1op counterpart
const int nT2Len = seekIndexData(mnCharStrBase, nCffGlyphId);
assert(nT2Len > 0);
CharString aCharString;
const int nT1Len = convert2Type1Ops(mpCffLocal, mpReadPtr, nT2Len, aCharString.aOps);
aCharString.nLen = nT1Len;
aCharString.nCffGlyphId = nCffGlyphId;
rCharStrings.push_back(aCharString);
}
}
void CffSubsetterContext::emitAsType1( Type1Emitter& rEmitter,
const sal_GlyphId* pReqGlyphIds, const U8* pReqEncoding,
int nGlyphCount, FontSubsetInfo& rFSInfo)
{
// prepare some fontdirectory details
static const int nUniqueIdBase = 4100000; // using private-interchange UniqueIds
static int nUniqueId = nUniqueIdBase;
++nUniqueId;
char* pFontName = rEmitter.maSubsetName;
if( !*pFontName ) {
if( mnFontNameSID) {
// get the fontname directly if available
strncpy(
pFontName, getString( mnFontNameSID).getStr(), sizeof(rEmitter.maSubsetName) - 1);
pFontName[sizeof(rEmitter.maSubsetName) - 1] = 0;
} else if( mnFullNameSID) {
// approximate fontname as fullname-whitespace
auto const str = getString( mnFullNameSID);
const char* pI = str.getStr();
char* pO = pFontName;
const char* pLimit = pFontName + sizeof(rEmitter.maSubsetName) - 1;
while( pO < pLimit) {
const char c = *(pI++);
if( c != ' ')
*(pO++) = c;
if( !c)
break;
}
*pO = '\0';
} else {
// fallback name of last resort
strncpy( pFontName, "DummyName", sizeof(rEmitter.maSubsetName));
}
}
const char* pFullName = pFontName;
const char* pFamilyName = pFontName;
// create a PFB+Type1 header
if( rEmitter.mbPfbSubset ) {
static const char aPfbHeader[] = "\x80\x01\x00\x00\x00\x00";
rEmitter.emitRawData( aPfbHeader, sizeof(aPfbHeader)-1);
}
rEmitter.maBuffer.append(
"%!FontType1-1.0: " + OString::Concat(rEmitter.maSubsetName) + " 001.003\n");
// emit TOPDICT
rEmitter.maBuffer.append(
"11 dict begin\n" // TODO: dynamic entry count for TOPDICT
"/FontType 1 def\n"
"/PaintType 0 def\n");
rEmitter.maBuffer.append( "/FontName /" + OString::Concat(rEmitter.maSubsetName) + " def\n");
rEmitter.maBuffer.append( "/UniqueID " + OString::number(nUniqueId) + " def\n");
// emit FontMatrix
if( maFontMatrix.size() == 6)
rEmitter.emitValVector( "/FontMatrix [", "]readonly def\n", maFontMatrix);
else // emit default FontMatrix if needed
rEmitter.maBuffer.append( "/FontMatrix [0.001 0 0 0.001 0 0]readonly def\n");
// emit FontBBox
ValType fXFactor = 1.0;
ValType fYFactor = 1.0;
if( maFontMatrix.size() >= 4) {
fXFactor = 1000.0F * maFontMatrix[0];
fYFactor = 1000.0F * maFontMatrix[3];
}
auto aFontBBox = maFontBBox;
if (rFSInfo.m_bFilled)
aFontBBox = {
rFSInfo.m_aFontBBox.Left() / fXFactor, rFSInfo.m_aFontBBox.Top() / fYFactor,
rFSInfo.m_aFontBBox.Right() / fXFactor, (rFSInfo.m_aFontBBox.Bottom() + 1) / fYFactor
};
else if (aFontBBox.size() != 4)
aFontBBox = { 0, 0, 999, 999 }; // emit default FontBBox if needed
rEmitter.emitValVector( "/FontBBox {", "}readonly def\n", aFontBBox);
// emit FONTINFO into TOPDICT
rEmitter.maBuffer.append(
"/FontInfo 2 dict dup begin\n" // TODO: check fontinfo entry count
" /FullName (" + OString::Concat(pFullName) + ") readonly def\n"
" /FamilyName (" + pFamilyName + ") readonly def\n"
"end readonly def\n");
rEmitter.maBuffer.append(
"/Encoding 256 array\n"
"0 1 255 {1 index exch /.notdef put} for\n");
for( int i = 1; (i < nGlyphCount) && (i < 256); ++i) {
OString pGlyphName = getGlyphName( pReqGlyphIds[i]);
rEmitter.maBuffer.append(
"dup " + OString::number(pReqEncoding[i]) + " /" + pGlyphName + " put\n");
}
rEmitter.maBuffer.append( "readonly def\n");
rEmitter.maBuffer.append(
// TODO: more topdict entries
"currentdict end\n"
"currentfile eexec\n");
// emit PFB header
rEmitter.emitAllRaw();
if( rEmitter.mbPfbSubset) {
// update PFB header segment
const int nPfbHeaderLen = rEmitter.tellPos() - 6;
rEmitter.updateLen( 2, nPfbHeaderLen);
// prepare start of eexec segment
rEmitter.emitRawData( "\x80\x02\x00\x00\x00\x00", 6); // segment start
}
const int nEExecSegTell = rEmitter.tellPos();
// which always starts with a privdict
// count the privdict entries
int nPrivEntryCount = 9;
// emit blue hints only if non-default values
nPrivEntryCount += int(!mpCffLocal->maOtherBlues.empty());
nPrivEntryCount += int(!mpCffLocal->maFamilyBlues.empty());
nPrivEntryCount += int(!mpCffLocal->maFamilyOtherBlues.empty());
nPrivEntryCount += int(mpCffLocal->mfBlueScale != 0.0);
nPrivEntryCount += int(mpCffLocal->mfBlueShift != 0.0);
nPrivEntryCount += int(mpCffLocal->mfBlueFuzz != 0.0);
// emit stem hints only if non-default values
nPrivEntryCount += int(mpCffLocal->maStemStdHW != 0);
nPrivEntryCount += int(mpCffLocal->maStemStdVW != 0);
nPrivEntryCount += int(!mpCffLocal->maStemSnapH.empty());
nPrivEntryCount += int(!mpCffLocal->maStemSnapV.empty());
// emit other hints only if non-default values
nPrivEntryCount += int(mpCffLocal->mfExpFactor != 0.0);
nPrivEntryCount += int(mpCffLocal->mnLangGroup != 0);
nPrivEntryCount += int(mpCffLocal->mnLangGroup == 1);
nPrivEntryCount += int(mpCffLocal->mbForceBold);
// emit the privdict header
rEmitter.maBuffer.append(
"\110\104\125 "
"dup\n/Private " + OString::number(nPrivEntryCount) + " dict dup begin\n"
"/RD{string currentfile exch readstring pop}executeonly def\n"
"/ND{noaccess def}executeonly def\n"
"/NP{noaccess put}executeonly def\n"
"/MinFeature{16 16}ND\n"
"/password 5839 def\n"); // TODO: mnRDCryptSeed?
// emit blue hint related privdict entries
if( !mpCffLocal->maBlueValues.empty())
rEmitter.emitValVector( "/BlueValues [", "]ND\n", mpCffLocal->maBlueValues);
else
rEmitter.maBuffer.append( "/BlueValues []ND\n"); // default to empty BlueValues
rEmitter.emitValVector( "/OtherBlues [", "]ND\n", mpCffLocal->maOtherBlues);
rEmitter.emitValVector( "/FamilyBlues [", "]ND\n", mpCffLocal->maFamilyBlues);
rEmitter.emitValVector( "/FamilyOtherBlues [", "]ND\n", mpCffLocal->maFamilyOtherBlues);
if( mpCffLocal->mfBlueScale) {
rEmitter.maBuffer.append( "/BlueScale ");
rEmitter.maBuffer.append(dbl2str( mpCffLocal->mfBlueScale));
rEmitter.maBuffer.append( " def\n");
}
if( mpCffLocal->mfBlueShift) { // default BlueShift==7
rEmitter.maBuffer.append( "/BlueShift ");
rEmitter.maBuffer.append(dbl2str( mpCffLocal->mfBlueShift));
rEmitter.maBuffer.append( " def\n");
}
if( mpCffLocal->mfBlueFuzz) { // default BlueFuzz==1
rEmitter.maBuffer.append( "/BlueFuzz ");
rEmitter.maBuffer.append(dbl2str( mpCffLocal->mfBlueFuzz));
rEmitter.maBuffer.append( " def\n");
}
// emit stem hint related privdict entries
if( mpCffLocal->maStemStdHW) {
rEmitter.maBuffer.append( "/StdHW [");
rEmitter.maBuffer.append(dbl2str( mpCffLocal->maStemStdHW));
rEmitter.maBuffer.append( "] def\n");
}
if( mpCffLocal->maStemStdVW) {
rEmitter.maBuffer.append( "/StdVW [");
rEmitter.maBuffer.append(dbl2str( mpCffLocal->maStemStdVW));
rEmitter.maBuffer.append( "] def\n");
}
rEmitter.emitValVector( "/StemSnapH [", "]ND\n", mpCffLocal->maStemSnapH);
rEmitter.emitValVector( "/StemSnapV [", "]ND\n", mpCffLocal->maStemSnapV);
// emit other hints
if( mpCffLocal->mbForceBold)
rEmitter.maBuffer.append( "/ForceBold true def\n");
if( mpCffLocal->mnLangGroup != 0)
rEmitter.maBuffer.append(
"/LanguageGroup " + OString::number(mpCffLocal->mnLangGroup) + " def\n");
if( mpCffLocal->mnLangGroup == 1) // compatibility with ancient printers
rEmitter.maBuffer.append( "/RndStemUp false def\n");
if( mpCffLocal->mfExpFactor) {
rEmitter.maBuffer.append( "/ExpansionFactor ");
rEmitter.maBuffer.append(dbl2str( mpCffLocal->mfExpFactor));
rEmitter.maBuffer.append( " def\n");
}
// emit remaining privdict entries
rEmitter.maBuffer.append( "/UniqueID " + OString::number(nUniqueId) + " def\n");
// TODO?: more privdict entries?
rEmitter.maBuffer.append(
"/OtherSubrs\n"
"% Dummy code for faking flex hints\n"
"[ {} {} {} {systemdict /internaldict known not {pop 3}\n"
"{1183615869 systemdict /internaldict get exec\n"
"dup /startlock known\n"
"{/startlock get exec}\n"
"{dup /strtlck known\n"
"{/strtlck get exec}\n"
"{pop 3}\nifelse}\nifelse}\nifelse\n} executeonly\n"
"] ND\n");
// emit used GlobalSubr charstrings
// these are the just the default subrs
// TODO: do we need them as the flex hints are resolved differently?
rEmitter.maBuffer.append(
"/Subrs 5 array\n"
"dup 0 15 RD \x5F\x3D\x6B\xAC\x3C\xBD\x74\x3D\x3E\x17\xA0\x86\x58\x08\x85 NP\n"
"dup 1 9 RD \x5F\x3D\x6B\xD8\xA6\xB5\x68\xB6\xA2 NP\n"
"dup 2 9 RD \x5F\x3D\x6B\xAC\x39\x46\xB9\x43\xF9 NP\n"
"dup 3 5 RD \x5F\x3D\x6B\xAC\xB9 NP\n"
"dup 4 12 RD \x5F\x3D\x6B\xAC\x3E\x5D\x48\x54\x62\x76\x39\x03 NP\n"
"ND\n");
// TODO: emit more GlobalSubr charstrings?
// TODO: emit used LocalSubr charstrings?
// emit the CharStrings for the requested glyphs
std::vector<CharString> aCharStrings;
mbDoSeac = true;
convertCharStrings(pReqGlyphIds, nGlyphCount, aCharStrings);
// The previous convertCharStrings might collect extra glyphs used in seac
// operator, convert them as well
if (!maExtraGlyphIds.empty())
{
mbDoSeac = false;
convertCharStrings(maExtraGlyphIds.data(), maExtraGlyphIds.size(), aCharStrings);
}
rEmitter.maBuffer.append(
"2 index /CharStrings " + OString::number(aCharStrings.size()) + " dict dup begin\n");
rEmitter.emitAllCrypted();
for (const auto& rCharString : aCharStrings)
{
// get the glyph name
OString pGlyphName = getGlyphName(rCharString.nCffGlyphId);
// emit the encrypted Type1op charstring
rEmitter.maBuffer.append(
"/" + pGlyphName + " " + OString::number(rCharString.nLen) + " RD ");
rEmitter.maBuffer.append(
reinterpret_cast<char const *>(rCharString.aOps), rCharString.nLen);
rEmitter.maBuffer.append( " ND\n");
rEmitter.emitAllCrypted();
// provide individual glyphwidths if requested
}
rEmitter.maBuffer.append( "end end\nreadonly put\nput\n");
rEmitter.maBuffer.append( "dup/FontName get exch definefont pop\n");
rEmitter.maBuffer.append( "mark currentfile closefile\n");
rEmitter.emitAllCrypted();
// mark stop of eexec encryption
if( rEmitter.mbPfbSubset) {
const int nEExecLen = rEmitter.tellPos() - nEExecSegTell;
rEmitter.updateLen( nEExecSegTell-4, nEExecLen);
}
// create PFB footer
static const char aPfxFooter[] = "\x80\x01\x14\x02\x00\x00\n" // TODO: check segment len
"0000000000000000000000000000000000000000000000000000000000000000\n"
"0000000000000000000000000000000000000000000000000000000000000000\n"
"0000000000000000000000000000000000000000000000000000000000000000\n"
"0000000000000000000000000000000000000000000000000000000000000000\n"
"0000000000000000000000000000000000000000000000000000000000000000\n"
"0000000000000000000000000000000000000000000000000000000000000000\n"
"0000000000000000000000000000000000000000000000000000000000000000\n"
"0000000000000000000000000000000000000000000000000000000000000000\n"
"cleartomark\n"
"\x80\x03";
if( rEmitter.mbPfbSubset)
rEmitter.emitRawData( aPfxFooter, sizeof(aPfxFooter)-1);
else
rEmitter.emitRawData( aPfxFooter+6, sizeof(aPfxFooter)-9);
// provide details to the subset requesters, TODO: move into own method?
// note: Top and Bottom are flipped between Type1 and VCL
// note: the rest of VCL expects the details below to be scaled like for an emUnits==1000 font
rFSInfo.m_nFontType = rEmitter.mbPfbSubset ? FontType::TYPE1_PFB : FontType::TYPE1_PFA;
if (rFSInfo.m_bFilled)
return;
rFSInfo.m_aFontBBox = { Point(static_cast<sal_Int32>(aFontBBox[0] * fXFactor),
static_cast<sal_Int32>(aFontBBox[1] * fYFactor)),
Point(static_cast<sal_Int32>(aFontBBox[2] * fXFactor),
static_cast<sal_Int32>(aFontBBox[3] * fYFactor)) };
// PDF-Spec says the values below mean the ink bounds!
// TODO: use better approximations for these ink bounds
rFSInfo.m_nAscent = +rFSInfo.m_aFontBBox.Bottom(); // for capital letters
rFSInfo.m_nDescent = -rFSInfo.m_aFontBBox.Top(); // for all letters
rFSInfo.m_nCapHeight = rFSInfo.m_nAscent; // for top-flat capital letters
rFSInfo.m_aPSName = OUString( rEmitter.maSubsetName, strlen(rEmitter.maSubsetName), RTL_TEXTENCODING_UTF8 );
}
bool FontSubsetInfo::CreateFontSubsetFromCff()
{
CffSubsetterContext aCff( mpInFontBytes, mnInByteLength);
bool bRC = aCff.initialCffRead();
if (!bRC)
return bRC;
// emit Type1 subset from the CFF input
// TODO: also support CFF->CFF subsetting (when PDF-export and PS-printing need it)
const bool bPfbSubset(mnReqFontTypeMask & FontType::TYPE1_PFB);
Type1Emitter aType1Emitter( mpOutFile, bPfbSubset);
aType1Emitter.setSubsetName( mpReqFontName);
aCff.emitAsType1( aType1Emitter,
mpReqGlyphIds, mpReqEncodedIds,
mnReqGlyphCount, *this);
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
