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
|
/* -*- 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 <sal/types.h>
#include <config_folders.h>
#include <algorithm>
#include <map>
#include <memory>
#include <set>
#include <string.h>
#include <svsys.h>
#include <vector>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <i18nlangtag/mslangid.hxx>
#include <osl/file.hxx>
#include <osl/process.h>
#include <rtl/bootstrap.hxx>
#include <tools/helpers.hxx>
#include <tools/stream.hxx>
#include <unotools/fontcfg.hxx>
#include <vcl/settings.hxx>
#include <vcl/sysdata.hxx>
#include <vcl/metric.hxx>
#include <vcl/fontcharmap.hxx>
#include <vcl/opengl/OpenGLWrapper.hxx>
#include "fontsubset.hxx"
#include "outdev.h"
#include "PhysicalFontCollection.hxx"
#include "PhysicalFontFace.hxx"
#include "sft.hxx"
#include "win/saldata.hxx"
#include "win/salgdi.h"
#include "impfontcharmap.hxx"
#include "impfontmetricdata.hxx"
using namespace vcl;
inline FIXED FixedFromDouble( double d )
{
const long l = (long) ( d * 65536. );
return *reinterpret_cast<FIXED const *>(&l);
}
inline int IntTimes256FromFixed(FIXED f)
{
int nFixedTimes256 = (f.value << 8) + ((f.fract+0x80) >> 8);
return nFixedTimes256;
}
// raw font data with a scoped lifetime
class RawFontData
{
public:
explicit RawFontData( HDC, DWORD nTableTag=0 );
const unsigned char* get() const { return mpRawBytes.get(); }
const unsigned char* steal() { return mpRawBytes.release(); }
int size() const { return mnByteCount; }
private:
std::unique_ptr<unsigned char[]> mpRawBytes;
unsigned mnByteCount;
};
RawFontData::RawFontData( HDC hDC, DWORD nTableTag )
: mnByteCount( 0 )
{
// get required size in bytes
mnByteCount = ::GetFontData( hDC, nTableTag, 0, nullptr, 0 );
if( mnByteCount == GDI_ERROR )
return;
else if( !mnByteCount )
return;
// allocate the array
mpRawBytes.reset(new unsigned char[ mnByteCount ]);
// get raw data in chunks small enough for GetFontData()
unsigned nRawDataOfs = 0;
DWORD nMaxChunkSize = 0x100000;
for(;;)
{
// calculate remaining raw data to get
DWORD nFDGet = mnByteCount - nRawDataOfs;
if( nFDGet <= 0 )
break;
// #i56745# limit GetFontData requests
if( nFDGet > nMaxChunkSize )
nFDGet = nMaxChunkSize;
const DWORD nFDGot = ::GetFontData( hDC, nTableTag, nRawDataOfs,
mpRawBytes.get() + nRawDataOfs, nFDGet );
if( !nFDGot )
break;
else if( nFDGot != GDI_ERROR )
nRawDataOfs += nFDGot;
else
{
// was the chunk too big? reduce it
nMaxChunkSize /= 2;
if( nMaxChunkSize < 0x10000 )
break;
}
}
// cleanup if the raw data is incomplete
if( nRawDataOfs != mnByteCount )
{
mpRawBytes.reset();
}
}
// platform specific font substitution hooks for glyph fallback enhancement
class WinPreMatchFontSubstititution
: public ImplPreMatchFontSubstitution
{
public:
bool FindFontSubstitute(FontSelectPattern&) const override;
};
class WinGlyphFallbackSubstititution
: public ImplGlyphFallbackFontSubstitution
{
public:
explicit WinGlyphFallbackSubstititution()
{
mhDC = GetDC(nullptr);
};
~WinGlyphFallbackSubstititution() override
{
ReleaseDC(nullptr, mhDC);
};
bool FindFontSubstitute( FontSelectPattern&, OUString& rMissingChars ) const override;
private:
HDC mhDC;
bool HasMissingChars(PhysicalFontFace*, OUString& rMissingChars) const;
};
// does a font face hold the given missing characters?
bool WinGlyphFallbackSubstititution::HasMissingChars(PhysicalFontFace* pFace, OUString& rMissingChars) const
{
WinFontFace* pWinFont = static_cast< WinFontFace* >(pFace);
FontCharMapRef xFontCharMap = pWinFont->GetFontCharMap();
if( !xFontCharMap.is() )
{
// construct a Size structure as the parameter of constructor of class FontSelectPattern
const Size aSize( pFace->GetWidth(), pFace->GetHeight() );
// create a FontSelectPattern object for getting s LOGFONT
const FontSelectPattern aFSD( *pFace, aSize, (float)aSize.Height(), 0, false );
// construct log font
LOGFONTW aLogFont;
ImplGetLogFontFromFontSelect( mhDC, &aFSD, aLogFont, true );
// create HFONT from log font
HFONT hNewFont = ::CreateFontIndirectW( &aLogFont );
// select the new font into device
HFONT hOldFont = ::SelectFont( mhDC, hNewFont );
// read CMAP table to update their xFontCharMap
pWinFont->UpdateFromHDC( mhDC );
// cleanup temporary font
::SelectFont( mhDC, hOldFont );
::DeleteFont( hNewFont );
// get the new charmap
xFontCharMap = pWinFont->GetFontCharMap();
}
// avoid fonts with unknown CMAP subtables for glyph fallback
if( !xFontCharMap.is() || xFontCharMap->IsDefaultMap() )
return false;
int nMatchCount = 0;
std::vector<sal_UCS4> rRemainingCodes;
const sal_Int32 nStrLen = rMissingChars.getLength();
sal_Int32 nStrIdx = 0;
while (nStrIdx < nStrLen)
{
const sal_UCS4 uChar = rMissingChars.iterateCodePoints( &nStrIdx );
if (xFontCharMap->HasChar(uChar))
nMatchCount++;
else
rRemainingCodes.push_back(uChar);
}
xFontCharMap = nullptr;
if (nMatchCount > 0)
rMissingChars = OUString(rRemainingCodes.data(), rRemainingCodes.size());
return nMatchCount > 0;
}
namespace
{
//used by 2-level font fallback
PhysicalFontFamily* findDevFontListByLocale(const PhysicalFontCollection &rFontCollection,
const LanguageTag& rLanguageTag )
{
// get the default font for a specified locale
const utl::DefaultFontConfiguration& rDefaults = utl::DefaultFontConfiguration::get();
const OUString aDefault = rDefaults.getUserInterfaceFont(rLanguageTag);
return rFontCollection.FindFontFamilyByTokenNames(aDefault);
}
}
// These are Win 3.1 bitmap fonts using "FON" font format
// which is not supported with "Direct Write" so let's substitute them
// with a font that is supported and always available.
// Based on:
// https://dxr.mozilla.org/mozilla-esr10/source/gfx/thebes/gfxDWriteFontList.cpp#1057
static const std::map<OUString, OUString> aBitmapFontSubs =
{
{ "MS Sans Serif", "Microsoft Sans Serif" },
{ "MS Serif", "Times New Roman" },
{ "Small Fonts", "Arial" },
{ "Courier", "Courier New" },
{ "Roman", "Times New Roman" },
{ "Script", "Mistral" }
};
// TODO: See if Windows have API that we can use here to improve font fallback.
bool WinPreMatchFontSubstititution::FindFontSubstitute(FontSelectPattern& rFontSelData) const
{
if (rFontSelData.IsSymbolFont() || IsStarSymbol(rFontSelData.maSearchName))
return false;
for (const auto& aSub : aBitmapFontSubs)
{
if (rFontSelData.maSearchName == GetEnglishSearchFontName(aSub.first))
{
rFontSelData.maSearchName = aSub.second;
return true;
}
}
return false;
}
// find a fallback font for missing characters
// TODO: should stylistic matches be searched and preferred?
bool WinGlyphFallbackSubstititution::FindFontSubstitute( FontSelectPattern& rFontSelData, OUString& rMissingChars ) const
{
// guess a locale matching to the missing chars
LanguageType eLang = rFontSelData.meLanguage;
LanguageTag aLanguageTag( eLang);
// fall back to default UI locale if the font language is inconclusive
if( eLang == LANGUAGE_DONTKNOW )
aLanguageTag = Application::GetSettings().GetUILanguageTag();
// first level fallback:
// try use the locale specific default fonts defined in VCL.xcu
const PhysicalFontCollection* pFontCollection = ImplGetSVData()->maGDIData.mpScreenFontList;
PhysicalFontFamily* pFontFamily = findDevFontListByLocale(*pFontCollection, aLanguageTag);
if( pFontFamily )
{
PhysicalFontFace* pFace = pFontFamily->FindBestFontFace( rFontSelData );
if( HasMissingChars( pFace, rMissingChars ) )
{
rFontSelData.maSearchName = pFontFamily->GetSearchName();
return true;
}
}
// are the missing characters symbols?
pFontFamily = pFontCollection->FindFontFamilyByAttributes( ImplFontAttrs::Symbol,
rFontSelData.GetWeight(),
rFontSelData.GetWidthType(),
rFontSelData.GetItalic(),
rFontSelData.maSearchName );
if( pFontFamily )
{
PhysicalFontFace* pFace = pFontFamily->FindBestFontFace( rFontSelData );
if( HasMissingChars( pFace, rMissingChars ) )
{
rFontSelData.maSearchName = pFontFamily->GetSearchName();
return true;
}
}
// last level fallback, check each font type face one by one
ImplDeviceFontList* pTestFontList = pFontCollection->GetDeviceFontList();
// limit the count of fonts to be checked to prevent hangs
static const int MAX_GFBFONT_COUNT = 600;
int nTestFontCount = pTestFontList->Count();
if( nTestFontCount > MAX_GFBFONT_COUNT )
nTestFontCount = MAX_GFBFONT_COUNT;
bool bFound = false;
for( int i = 0; i < nTestFontCount; ++i )
{
PhysicalFontFace* pFace = pTestFontList->Get( i );
bFound = HasMissingChars( pFace, rMissingChars );
if( !bFound )
continue;
rFontSelData.maSearchName = pFace->GetFamilyName();
break;
}
delete pTestFontList;
return bFound;
}
struct ImplEnumInfo
{
HDC mhDC;
PhysicalFontCollection* mpList;
OUString* mpName;
LOGFONTW* mpLogFont;
bool mbPrinter;
int mnFontCount;
};
static rtl_TextEncoding ImplCharSetToSal( BYTE nCharSet )
{
rtl_TextEncoding eTextEncoding;
if ( nCharSet == OEM_CHARSET )
{
UINT nCP = (sal_uInt16)GetOEMCP();
switch ( nCP )
{
// It is unclear why these two (undefined?) code page numbers are
// handled specially here:
case 1004: eTextEncoding = RTL_TEXTENCODING_MS_1252; break;
case 65400: eTextEncoding = RTL_TEXTENCODING_SYMBOL; break;
default:
eTextEncoding = rtl_getTextEncodingFromWindowsCodePage(nCP);
break;
}
}
else
{
if( nCharSet )
eTextEncoding = rtl_getTextEncodingFromWindowsCharset( nCharSet );
else
eTextEncoding = RTL_TEXTENCODING_UNICODE;
}
return eTextEncoding;
}
static FontFamily ImplFamilyToSal( BYTE nFamily )
{
switch ( nFamily & 0xF0 )
{
case FF_DECORATIVE:
return FAMILY_DECORATIVE;
case FF_MODERN:
return FAMILY_MODERN;
case FF_ROMAN:
return FAMILY_ROMAN;
case FF_SCRIPT:
return FAMILY_SCRIPT;
case FF_SWISS:
return FAMILY_SWISS;
default:
break;
}
return FAMILY_DONTKNOW;
}
static BYTE ImplFamilyToWin( FontFamily eFamily )
{
switch ( eFamily )
{
case FAMILY_DECORATIVE:
return FF_DECORATIVE;
case FAMILY_MODERN:
return FF_MODERN;
case FAMILY_ROMAN:
return FF_ROMAN;
case FAMILY_SCRIPT:
return FF_SCRIPT;
case FAMILY_SWISS:
return FF_SWISS;
case FAMILY_SYSTEM:
return FF_SWISS;
default:
break;
}
return FF_DONTCARE;
}
static FontWeight ImplWeightToSal( int nWeight )
{
if ( nWeight <= FW_THIN )
return WEIGHT_THIN;
else if ( nWeight <= FW_ULTRALIGHT )
return WEIGHT_ULTRALIGHT;
else if ( nWeight <= FW_LIGHT )
return WEIGHT_LIGHT;
else if ( nWeight < FW_MEDIUM )
return WEIGHT_NORMAL;
else if ( nWeight == FW_MEDIUM )
return WEIGHT_MEDIUM;
else if ( nWeight <= FW_SEMIBOLD )
return WEIGHT_SEMIBOLD;
else if ( nWeight <= FW_BOLD )
return WEIGHT_BOLD;
else if ( nWeight <= FW_ULTRABOLD )
return WEIGHT_ULTRABOLD;
else
return WEIGHT_BLACK;
}
static int ImplWeightToWin( FontWeight eWeight )
{
switch ( eWeight )
{
case WEIGHT_THIN:
return FW_THIN;
case WEIGHT_ULTRALIGHT:
return FW_ULTRALIGHT;
case WEIGHT_LIGHT:
return FW_LIGHT;
case WEIGHT_SEMILIGHT:
case WEIGHT_NORMAL:
return FW_NORMAL;
case WEIGHT_MEDIUM:
return FW_MEDIUM;
case WEIGHT_SEMIBOLD:
return FW_SEMIBOLD;
case WEIGHT_BOLD:
return FW_BOLD;
case WEIGHT_ULTRABOLD:
return FW_ULTRABOLD;
case WEIGHT_BLACK:
return FW_BLACK;
default:
break;
}
return 0;
}
inline FontPitch ImplLogPitchToSal( BYTE nPitch )
{
if ( nPitch & FIXED_PITCH )
return PITCH_FIXED;
else
return PITCH_VARIABLE;
}
inline FontPitch ImplMetricPitchToSal( BYTE nPitch )
{
// Grrrr! See NT help
if ( !(nPitch & TMPF_FIXED_PITCH) )
return PITCH_FIXED;
else
return PITCH_VARIABLE;
}
inline BYTE ImplPitchToWin( FontPitch ePitch )
{
if ( ePitch == PITCH_FIXED )
return FIXED_PITCH;
else if ( ePitch == PITCH_VARIABLE )
return VARIABLE_PITCH;
else
return DEFAULT_PITCH;
}
static FontAttributes WinFont2DevFontAttributes( const ENUMLOGFONTEXW& rEnumFont,
const NEWTEXTMETRICW& rMetric)
{
FontAttributes aDFA;
const LOGFONTW rLogFont = rEnumFont.elfLogFont;
// get font face attributes
aDFA.SetFamilyType(ImplFamilyToSal( rLogFont.lfPitchAndFamily ));
aDFA.SetWidthType(WIDTH_DONTKNOW);
aDFA.SetWeight(ImplWeightToSal( rLogFont.lfWeight ));
aDFA.SetItalic((rLogFont.lfItalic) ? ITALIC_NORMAL : ITALIC_NONE);
aDFA.SetPitch(ImplLogPitchToSal( rLogFont.lfPitchAndFamily ));
aDFA.SetSymbolFlag(rLogFont.lfCharSet == SYMBOL_CHARSET);
// get the font face name
aDFA.SetFamilyName(OUString(reinterpret_cast<const sal_Unicode*>(rLogFont.lfFaceName)));
// use the face's style name only if it looks reasonable
const wchar_t* pStyleName = rEnumFont.elfStyle;
const wchar_t* pEnd = pStyleName + sizeof(rEnumFont.elfStyle)/sizeof(*rEnumFont.elfStyle);
const wchar_t* p = pStyleName;
for(; *p && (p < pEnd); ++p )
if( *p < 0x0020 )
break;
if( p < pEnd )
aDFA.SetStyleName(OUString(reinterpret_cast<const sal_Unicode*>(pStyleName)));
// heuristics for font quality
// - opentypeTT > truetype
aDFA.SetQuality( 0 );
if( rMetric.tmPitchAndFamily & TMPF_TRUETYPE )
aDFA.IncreaseQualityBy( 50 );
if( 0 != (rMetric.ntmFlags & (NTM_TT_OPENTYPE | NTM_PS_OPENTYPE)) )
aDFA.IncreaseQualityBy( 10 );
// TODO: add alias names
return aDFA;
}
static WinFontFace* ImplLogMetricToDevFontDataW( const ENUMLOGFONTEXW* pLogFont,
const NEWTEXTMETRICW* pMetric,
DWORD nFontType )
{
int nHeight = 0;
if ( nFontType & RASTER_FONTTYPE )
nHeight = pMetric->tmHeight - pMetric->tmInternalLeading;
WinFontFace* pData = new WinFontFace(
WinFont2DevFontAttributes(*pLogFont, *pMetric),
nHeight,
pLogFont->elfLogFont.lfCharSet,
pMetric->tmPitchAndFamily );
return pData;
}
void ImplSalLogFontToFontW( HDC hDC, const LOGFONTW& rLogFont, Font& rFont )
{
OUString aFontName( reinterpret_cast<const sal_Unicode*>(rLogFont.lfFaceName) );
if (!aFontName.isEmpty())
{
rFont.SetFamilyName( aFontName );
rFont.SetCharSet( ImplCharSetToSal( rLogFont.lfCharSet ) );
rFont.SetFamily( ImplFamilyToSal( rLogFont.lfPitchAndFamily ) );
rFont.SetPitch( ImplLogPitchToSal( rLogFont.lfPitchAndFamily ) );
rFont.SetWeight( ImplWeightToSal( rLogFont.lfWeight ) );
long nFontHeight = rLogFont.lfHeight;
if ( nFontHeight < 0 )
nFontHeight = -nFontHeight;
long nDPIY = GetDeviceCaps( hDC, LOGPIXELSY );
if( !nDPIY )
nDPIY = 600;
nFontHeight *= 72;
nFontHeight += nDPIY/2;
nFontHeight /= nDPIY;
rFont.SetFontSize( Size( 0, nFontHeight ) );
rFont.SetOrientation( (short)rLogFont.lfEscapement );
if ( rLogFont.lfItalic )
rFont.SetItalic( ITALIC_NORMAL );
else
rFont.SetItalic( ITALIC_NONE );
if ( rLogFont.lfUnderline )
rFont.SetUnderline( LINESTYLE_SINGLE );
else
rFont.SetUnderline( LINESTYLE_NONE );
if ( rLogFont.lfStrikeOut )
rFont.SetStrikeout( STRIKEOUT_SINGLE );
else
rFont.SetStrikeout( STRIKEOUT_NONE );
}
}
WinFontFace::WinFontFace( const FontAttributes& rDFS,
int nHeight, BYTE eWinCharSet, BYTE nPitchAndFamily )
: PhysicalFontFace( rDFS ),
mnId( 0 ),
mbFontCapabilitiesRead( false ),
mxUnicodeMap( nullptr ),
meWinCharSet( eWinCharSet ),
mnPitchAndFamily( nPitchAndFamily ),
mbAliasSymbolsHigh( false ),
mbAliasSymbolsLow( false ),
mpHbFont( nullptr )
{
SetBitmapSize( 0, nHeight );
if( eWinCharSet == SYMBOL_CHARSET )
{
if( (nPitchAndFamily & TMPF_TRUETYPE) != 0 )
{
// truetype fonts need their symbols as U+F0xx
mbAliasSymbolsHigh = true;
}
else if( (nPitchAndFamily & (TMPF_VECTOR|TMPF_DEVICE))
== (TMPF_VECTOR|TMPF_DEVICE) )
{
// scalable device fonts (e.g. builtin printer fonts)
// need their symbols as U+00xx
mbAliasSymbolsLow = true;
}
else if( (nPitchAndFamily & (TMPF_VECTOR|TMPF_TRUETYPE)) == 0 )
{
// bitmap fonts need their symbols as U+F0xx
mbAliasSymbolsHigh = true;
}
}
}
WinFontFace::~WinFontFace()
{
mxUnicodeMap.clear();
if( mpHbFont )
hb_font_destroy( mpHbFont );
}
sal_IntPtr WinFontFace::GetFontId() const
{
return mnId;
}
static inline DWORD CalcTag( const char p[5]) { return (p[0]+(p[1]<<8)+(p[2]<<16)+(p[3]<<24)); }
void WinFontFace::UpdateFromHDC( HDC hDC ) const
{
// short circuit if already initialized
if( mxUnicodeMap.is() )
return;
ReadCmapTable( hDC );
GetFontCapabilities( hDC );
}
FontCharMapRef WinFontFace::GetFontCharMap() const
{
return mxUnicodeMap;
}
bool WinFontFace::GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const
{
rFontCapabilities = maFontCapabilities;
return rFontCapabilities.oUnicodeRange || rFontCapabilities.oCodePageRange;
}
void WinFontFace::ReadCmapTable( HDC hDC ) const
{
if( mxUnicodeMap.is() )
return;
bool bIsSymbolFont = (meWinCharSet == SYMBOL_CHARSET);
// get the CMAP table from the font which is selected into the DC
const DWORD nCmapTag = CalcTag( "cmap" );
const RawFontData aRawFontData( hDC, nCmapTag );
// parse the CMAP table if available
if( aRawFontData.get() ) {
CmapResult aResult;
ParseCMAP( aRawFontData.get(), aRawFontData.size(), aResult );
aResult.mbSymbolic = bIsSymbolFont;
if( aResult.mnRangeCount > 0 )
{
FontCharMapRef pUnicodeMap(new FontCharMap(aResult));
mxUnicodeMap = pUnicodeMap;
}
}
if( !mxUnicodeMap.is() )
{
mxUnicodeMap = FontCharMap::GetDefaultMap( bIsSymbolFont );
}
}
void WinFontFace::GetFontCapabilities( HDC hDC ) const
{
// read this only once per font
if( mbFontCapabilitiesRead )
return;
mbFontCapabilitiesRead = true;
// OS/2 table
const DWORD OS2Tag = CalcTag( "OS/2" );
DWORD nLength = ::GetFontData( hDC, OS2Tag, 0, nullptr, 0 );
if( (nLength != GDI_ERROR) && nLength )
{
std::vector<unsigned char> aTable( nLength );
unsigned char* pTable = &aTable[0];
::GetFontData( hDC, OS2Tag, 0, pTable, nLength );
vcl::getTTCoverage(maFontCapabilities.oUnicodeRange, maFontCapabilities.oCodePageRange, pTable, nLength);
}
}
void WinSalGraphics::SetTextColor( SalColor nSalColor )
{
COLORREF aCol = PALETTERGB( SALCOLOR_RED( nSalColor ),
SALCOLOR_GREEN( nSalColor ),
SALCOLOR_BLUE( nSalColor ) );
if( !mbPrinter &&
GetSalData()->mhDitherPal &&
ImplIsSysColorEntry( nSalColor ) )
{
aCol = PALRGB_TO_RGB( aCol );
}
::SetTextColor( getHDC(), aCol );
}
int CALLBACK SalEnumQueryFontProcExW( const LOGFONTW*,
const TEXTMETRICW*,
DWORD, LPARAM lParam )
{
*reinterpret_cast<bool*>(lParam) = true;
return 0;
}
void ImplGetLogFontFromFontSelect( HDC hDC,
const FontSelectPattern* pFont,
LOGFONTW& rLogFont,
bool /*bTestVerticalAvail*/ )
{
OUString aName;
if ( pFont->mpFontData )
aName = pFont->mpFontData->GetFamilyName();
else
aName = pFont->GetFamilyName().getToken( 0, ';' );
UINT nNameLen = aName.getLength();
if ( nNameLen > (sizeof( rLogFont.lfFaceName )/sizeof( wchar_t ))-1 )
nNameLen = (sizeof( rLogFont.lfFaceName )/sizeof( wchar_t ))-1;
memcpy( rLogFont.lfFaceName, aName.getStr(), nNameLen*sizeof( wchar_t ) );
rLogFont.lfFaceName[nNameLen] = 0;
if( !pFont->mpFontData )
{
rLogFont.lfCharSet = pFont->IsSymbolFont() ? SYMBOL_CHARSET : DEFAULT_CHARSET;
rLogFont.lfPitchAndFamily = ImplPitchToWin( pFont->GetPitch() )
| ImplFamilyToWin( pFont->GetFamilyType() );
}
else
{
const WinFontFace* pWinFontData = static_cast<const WinFontFace*>( pFont->mpFontData );
rLogFont.lfCharSet = pWinFontData->GetCharSet();
rLogFont.lfPitchAndFamily = pWinFontData->GetPitchAndFamily();
}
static BYTE nDefaultQuality = NONANTIALIASED_QUALITY;
if (nDefaultQuality == NONANTIALIASED_QUALITY)
{
if (OpenGLWrapper::isVCLOpenGLEnabled())
nDefaultQuality = ANTIALIASED_QUALITY;
else
nDefaultQuality = DEFAULT_QUALITY;
}
rLogFont.lfWeight = ImplWeightToWin( pFont->GetWeight() );
rLogFont.lfHeight = (LONG)-pFont->mnHeight;
rLogFont.lfWidth = (LONG)pFont->mnWidth;
rLogFont.lfUnderline = 0;
rLogFont.lfStrikeOut = 0;
rLogFont.lfItalic = BYTE(pFont->GetItalic() != ITALIC_NONE);
rLogFont.lfEscapement = pFont->mnOrientation;
rLogFont.lfOrientation = rLogFont.lfEscapement;
rLogFont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
rLogFont.lfQuality = nDefaultQuality;
rLogFont.lfOutPrecision = OUT_TT_PRECIS;
if ( pFont->mnOrientation )
rLogFont.lfClipPrecision |= CLIP_LH_ANGLES;
// disable antialiasing if requested
if ( pFont->mbNonAntialiased )
rLogFont.lfQuality = NONANTIALIASED_QUALITY;
// select vertical mode if requested and available
if ( pFont->mbVertical && nNameLen )
{
// vertical fonts start with an '@'
memmove( &rLogFont.lfFaceName[1], &rLogFont.lfFaceName[0],
sizeof(rLogFont.lfFaceName)-sizeof(rLogFont.lfFaceName[0]) );
rLogFont.lfFaceName[0] = '@';
// check availability of vertical mode for this font
bool bAvailable = false;
EnumFontFamiliesExW( hDC, &rLogFont, SalEnumQueryFontProcExW,
reinterpret_cast<LPARAM>(&bAvailable), 0 );
if( !bAvailable )
{
// restore non-vertical name if not vertical mode isn't available
memcpy( &rLogFont.lfFaceName[0], aName.getStr(), nNameLen*sizeof(wchar_t) );
if( nNameLen < LF_FACESIZE )
rLogFont.lfFaceName[nNameLen] = '\0';
}
}
}
HFONT WinSalGraphics::ImplDoSetFont(FontSelectPattern* i_pFont, HFONT& o_rOldFont)
{
HFONT hNewFont = nullptr;
HDC hdcScreen = nullptr;
if( mbVirDev )
// only required for virtual devices, see below for details
hdcScreen = GetDC(nullptr);
LOGFONTW aLogFont;
ImplGetLogFontFromFontSelect( getHDC(), i_pFont, aLogFont, true );
hNewFont = ::CreateFontIndirectW( &aLogFont );
if( hdcScreen )
{
// select font into screen hdc first to get an antialiased font
// see knowledge base article 305290:
// "PRB: Fonts Not Drawn Antialiased on Device Context for DirectDraw Surface"
SelectFont( hdcScreen, SelectFont( hdcScreen , hNewFont ) );
}
o_rOldFont = ::SelectFont( getHDC(), hNewFont );
TEXTMETRICW aTextMetricW;
if( !::GetTextMetricsW( getHDC(), &aTextMetricW ) )
{
// the selected font doesn't work => try a replacement
// TODO: use its font fallback instead
lstrcpynW( aLogFont.lfFaceName, L"Courier New", 12 );
aLogFont.lfPitchAndFamily = FIXED_PITCH;
HFONT hNewFont2 = CreateFontIndirectW( &aLogFont );
SelectFont( getHDC(), hNewFont2 );
DeleteFont( hNewFont );
hNewFont = hNewFont2;
}
if( hdcScreen )
::ReleaseDC( nullptr, hdcScreen );
return hNewFont;
}
void WinSalGraphics::SetFont( FontSelectPattern* pFont, int nFallbackLevel )
{
// return early if there is no new font
if( !pFont )
{
// deselect still active font
if( mhDefFont )
::SelectFont( getHDC(), mhDefFont );
// release no longer referenced font handles
for( int i = nFallbackLevel; i < MAX_FALLBACK; ++i )
{
if( mhFonts[i] )
::DeleteFont( mhFonts[i] );
mhFonts[ i ] = nullptr;
if (mpWinFontEntry[i])
{
GetWinFontEntry(i)->mpFontCache->Release(GetWinFontEntry(i));
}
mpWinFontEntry[i] = nullptr;
mpWinFontData[i] = nullptr;
}
mhDefFont = nullptr;
return;
}
assert(pFont->mpFontData);
if (mpWinFontEntry[nFallbackLevel])
{
GetWinFontEntry(nFallbackLevel)->mpFontCache->Release(GetWinFontEntry(nFallbackLevel));
}
// WinSalGraphics::GetEmbedFontData does not set mpFontInstance
// since it is interested in font file data only.
if (pFont->mpFontInstance)
{
pFont->mpFontInstance->mpFontCache->Acquire(pFont->mpFontInstance);
}
mpWinFontEntry[ nFallbackLevel ] = reinterpret_cast<WinFontInstance*>( pFont->mpFontInstance );
mpWinFontData[ nFallbackLevel ] = static_cast<const WinFontFace*>( pFont->mpFontData );
HFONT hOldFont = nullptr;
HFONT hNewFont = ImplDoSetFont(pFont, hOldFont);
if( !mhDefFont )
{
// keep default font
mhDefFont = hOldFont;
}
else
{
// release no longer referenced font handles
for( int i = nFallbackLevel; i < MAX_FALLBACK; ++i )
{
if( mhFonts[i] )
{
::DeleteFont( mhFonts[i] );
mhFonts[i] = nullptr;
}
// note: removing mpWinFontEntry[i] here has obviously bad effects
}
}
// store new font in correct layer
mhFonts[ nFallbackLevel ] = hNewFont;
// now the font is live => update font face
if( mpWinFontData[ nFallbackLevel ] )
mpWinFontData[ nFallbackLevel ]->UpdateFromHDC( getHDC() );
}
void WinSalGraphics::GetFontMetric( ImplFontMetricDataRef& rxFontMetric, int nFallbackLevel )
{
// temporarily change the HDC to the font in the fallback level
HFONT hOldFont = SelectFont( getHDC(), mhFonts[nFallbackLevel] );
wchar_t aFaceName[LF_FACESIZE+60];
if( ::GetTextFaceW( getHDC(), sizeof(aFaceName)/sizeof(wchar_t), aFaceName ) )
rxFontMetric->SetFamilyName(OUString(reinterpret_cast<const sal_Unicode*>(aFaceName)));
const DWORD nHheaTag = CalcTag("hhea");
const DWORD nOS2Tag = CalcTag("OS/2");
const RawFontData aHheaRawData(getHDC(), nHheaTag);
const RawFontData aOS2RawData(getHDC(), nOS2Tag);
WCHAR nKashidaCh = 0x0640;
WORD nKashidaGid;
DWORD ret = GetGlyphIndicesW(getHDC(), &nKashidaCh, 1, &nKashidaGid, GGI_MARK_NONEXISTING_GLYPHS);
if (ret != GDI_ERROR && nKashidaGid != 0xFFFF)
{
int nKashidaWidth = 0;
if (GetCharWidthI(getHDC(), nKashidaGid, 1, nullptr, &nKashidaWidth))
rxFontMetric->SetMinKashida(nKashidaWidth);
}
// get the font metric
OUTLINETEXTMETRICW aOutlineMetric;
const bool bOK = GetOutlineTextMetricsW(getHDC(), sizeof(OUTLINETEXTMETRICW), &aOutlineMetric);
// restore the HDC to the font in the base level
SelectFont( getHDC(), hOldFont );
if( !bOK )
return;
TEXTMETRICW aWinMetric = aOutlineMetric.otmTextMetrics;
// device independent font attributes
rxFontMetric->SetFamilyType(ImplFamilyToSal( aWinMetric.tmPitchAndFamily ));
rxFontMetric->SetSymbolFlag(aWinMetric.tmCharSet == SYMBOL_CHARSET);
rxFontMetric->SetWeight(ImplWeightToSal( aWinMetric.tmWeight ));
rxFontMetric->SetPitch(ImplMetricPitchToSal( aWinMetric.tmPitchAndFamily ));
rxFontMetric->SetItalic(aWinMetric.tmItalic ? ITALIC_NORMAL : ITALIC_NONE);
rxFontMetric->SetSlant( 0 );
// transformation dependent font metrics
rxFontMetric->SetWidth(aWinMetric.tmAveCharWidth);
const std::vector<uint8_t> rHhea(aHheaRawData.get(), aHheaRawData.get() + aHheaRawData.size());
const std::vector<uint8_t> rOS2(aOS2RawData.get(), aOS2RawData.get() + aOS2RawData.size());
rxFontMetric->ImplCalcLineSpacing(rHhea, rOS2, aOutlineMetric.otmEMSquare);
}
const FontCharMapRef WinSalGraphics::GetFontCharMap() const
{
if( !mpWinFontData[0] )
{
FontCharMapRef xDefFontCharMap( new FontCharMap() );
return xDefFontCharMap;
}
return mpWinFontData[0]->GetFontCharMap();
}
bool WinSalGraphics::GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const
{
if( !mpWinFontData[0] )
return false;
return mpWinFontData[0]->GetFontCapabilities(rFontCapabilities);
}
int CALLBACK SalEnumFontsProcExW( const LOGFONTW* lpelfe,
const TEXTMETRICW* lpntme,
DWORD nFontType, LPARAM lParam )
{
ENUMLOGFONTEXW const * pLogFont
= reinterpret_cast<ENUMLOGFONTEXW const *>(lpelfe);
NEWTEXTMETRICEXW const * pMetric
= reinterpret_cast<NEWTEXTMETRICEXW const *>(lpntme);
ImplEnumInfo* pInfo = reinterpret_cast<ImplEnumInfo*>(lParam);
if ( !pInfo->mpName )
{
// Ignore vertical fonts
if ( pLogFont->elfLogFont.lfFaceName[0] != '@' )
{
OUString aName = OUString(reinterpret_cast<const sal_Unicode*>(pLogFont->elfLogFont.lfFaceName));
pInfo->mpName = &aName;
memcpy(pInfo->mpLogFont->lfFaceName, pLogFont->elfLogFont.lfFaceName, (aName.getLength()+1)*sizeof(wchar_t));
pInfo->mpLogFont->lfCharSet = pLogFont->elfLogFont.lfCharSet;
EnumFontFamiliesExW(pInfo->mhDC, pInfo->mpLogFont, SalEnumFontsProcExW,
reinterpret_cast<LPARAM>(pInfo), 0);
pInfo->mpLogFont->lfFaceName[0] = '\0';
pInfo->mpLogFont->lfCharSet = DEFAULT_CHARSET;
pInfo->mpName = nullptr;
}
}
else
{
// Ignore non-device fonts on printers.
if (pInfo->mbPrinter)
{
if ((nFontType & RASTER_FONTTYPE) && !(nFontType & DEVICE_FONTTYPE))
{
SAL_INFO("vcl.gdi", "Unsupported printer font ignored: " << OUString(SAL_U(pLogFont->elfLogFont.lfFaceName)));
return 1;
}
}
// Only SFNT fonts are supported, ignore anything else.
else if (!(nFontType & TRUETYPE_FONTTYPE) &&
!(pMetric->ntmTm.ntmFlags & NTM_PS_OPENTYPE) &&
!(pMetric->ntmTm.ntmFlags & NTM_TT_OPENTYPE))
{
SAL_INFO("vcl.gdi", "Unsupported font ignored: " << OUString(SAL_U(pLogFont->elfLogFont.lfFaceName)));
return 1;
}
WinFontFace* pData = ImplLogMetricToDevFontDataW( pLogFont, &(pMetric->ntmTm), nFontType );
pData->SetFontId( sal_IntPtr( pInfo->mnFontCount++ ) );
pInfo->mpList->Add( pData );
}
return 1;
}
struct TempFontItem
{
OUString maFontFilePath;
OString maResourcePath;
TempFontItem* mpNextItem;
};
bool ImplAddTempFont( SalData& rSalData, const OUString& rFontFileURL )
{
int nRet = 0;
OUString aUSytemPath;
OSL_VERIFY( !osl::FileBase::getSystemPathFromFileURL( rFontFileURL, aUSytemPath ) );
nRet = AddFontResourceExW( reinterpret_cast<LPCWSTR>(aUSytemPath.getStr()), FR_PRIVATE, nullptr );
if ( !nRet )
{
static int nCounter = 0;
char aFileName[] = "soAA.fot";
aFileName[2] = sal::static_int_cast<char>('A' + (15 & (nCounter>>4)));
aFileName[3] = sal::static_int_cast<char>('A' + (15 & nCounter));
char aResourceName[512];
int nMaxLen = sizeof(aResourceName)/sizeof(*aResourceName) - 16;
int nLen = ::GetTempPathA( nMaxLen, aResourceName );
::strncpy( aResourceName + nLen, aFileName, sizeof( aResourceName )- nLen );
// security: end buffer in any case
aResourceName[ (sizeof(aResourceName)/sizeof(*aResourceName))-1 ] = 0;
::DeleteFileA( aResourceName );
rtl_TextEncoding theEncoding = osl_getThreadTextEncoding();
OString aCFileName = OUStringToOString( aUSytemPath, theEncoding );
// TODO: font should be private => need to investigate why it doesn't work then
if( !::CreateScalableFontResourceA( 0, aResourceName, aCFileName.getStr(), nullptr ) )
return false;
++nCounter;
nRet = ::AddFontResourceA( aResourceName );
if( nRet > 0 )
{
TempFontItem* pNewItem = new TempFontItem;
pNewItem->maResourcePath = OString( aResourceName );
pNewItem->maFontFilePath = aUSytemPath.getStr();
pNewItem->mpNextItem = rSalData.mpTempFontItem;
rSalData.mpTempFontItem = pNewItem;
}
}
return (nRet > 0);
}
void ImplReleaseTempFonts( SalData& rSalData )
{
int nCount = 0;
while( TempFontItem* p = rSalData.mpTempFontItem )
{
++nCount;
if( p->maResourcePath.getLength() )
{
const char* pResourcePath = p->maResourcePath.getStr();
::RemoveFontResourceA( pResourcePath );
::DeleteFileA( pResourcePath );
}
else
{
::RemoveFontResourceW( reinterpret_cast<LPCWSTR>(p->maFontFilePath.getStr()) );
}
rSalData.mpTempFontItem = p->mpNextItem;
delete p;
}
}
static bool ImplGetFontAttrFromFile( const OUString& rFontFileURL,
FontAttributes& rDFA )
{
OUString aUSytemPath;
OSL_VERIFY( !osl::FileBase::getSystemPathFromFileURL( rFontFileURL, aUSytemPath ) );
// get FontAttributes from a *fot file
// TODO: use GetTTGlobalFontInfo() to access the font directly
rDFA.SetQuality( 1000 );
rDFA.SetFamilyType(FAMILY_DONTKNOW);
rDFA.SetWidthType(WIDTH_DONTKNOW);
rDFA.SetWeight(WEIGHT_DONTKNOW);
rDFA.SetItalic(ITALIC_DONTKNOW);
rDFA.SetPitch(PITCH_DONTKNOW);
// Create temporary file name
char aFileName[] = "soAAT.fot";
char aResourceName[512];
int nMaxLen = sizeof(aResourceName)/sizeof(*aResourceName) - 16;
int nLen = ::GetTempPathA( nMaxLen, aResourceName );
::strncpy( aResourceName + nLen, aFileName, std::max( 0, nMaxLen - nLen ));
::DeleteFileA( aResourceName );
// Create font resource file (typically with a .fot file name extension).
rtl_TextEncoding theEncoding = osl_getThreadTextEncoding();
OString aCFileName = OUStringToOString( aUSytemPath, theEncoding );
::CreateScalableFontResourceA( 0, aResourceName, aCFileName.getStr(), nullptr );
// Open and read the font resource file
OUString aFotFileName = OStringToOUString( aResourceName, osl_getThreadTextEncoding() );
osl::FileBase::getFileURLFromSystemPath( aFotFileName, aFotFileName );
osl::File aFotFile( aFotFileName );
osl::FileBase::RC aError = aFotFile.open( osl_File_OpenFlag_Read );
if( aError != osl::FileBase::E_None )
return false;
sal_uInt64 nBytesRead = 0;
char aBuffer[4096];
aFotFile.read( aBuffer, sizeof( aBuffer ), nBytesRead );
// clean up temporary resource file
aFotFile.close();
::DeleteFileA( aResourceName );
// retrieve font family name from byte offset 0x4F6
sal_uInt64 i = 0x4F6;
sal_uInt64 nNameOfs = i;
while( (i < nBytesRead) && (aBuffer[i++] != 0) );
// skip full name
while( (i < nBytesRead) && (aBuffer[i++] != 0) );
// retrieve font style name
int nStyleOfs = i;
while( (i < nBytesRead) && (aBuffer[i++] != 0) );
if( i >= nBytesRead )
return false;
// convert byte strings to unicode
char *pName = aBuffer + nNameOfs;
rDFA.SetFamilyName(OUString(pName, strlen(pName), osl_getThreadTextEncoding()));
char *pStyle = aBuffer + nStyleOfs;
rDFA.SetStyleName(OUString(pStyle, strlen(pStyle), osl_getThreadTextEncoding() ));
// byte offset 0x4C7: OS2_fsSelection
const char nFSS = aBuffer[ 0x4C7 ];
if( nFSS & 0x01 ) // italic
rDFA.SetItalic(ITALIC_NORMAL);
//if( nFSS & 0x20 ) // bold
// rDFA.meWeight = WEIGHT_BOLD;
if( nFSS & 0x40 ) // regular
{
rDFA.SetWeight(WEIGHT_NORMAL);
rDFA.SetItalic(ITALIC_NONE);
}
// byte offsets 0x4D7/0x4D8: wingdi's FW_WEIGHT
int nWinWeight = (aBuffer[0x4D7] & 0xFF) + ((aBuffer[0x4D8] & 0xFF) << 8);
rDFA.SetWeight(ImplWeightToSal( nWinWeight ));
rDFA.SetSymbolFlag(false); // TODO
rDFA.SetPitch(PITCH_DONTKNOW); // TODO
// byte offset 0x4DE: pitch&family
rDFA.SetFamilyType(ImplFamilyToSal( aBuffer[0x4DE] ));
// byte offsets 0x4C8/0x4C9: emunits
// byte offsets 0x4CE/0x4CF: winascent
// byte offsets 0x4D0/0x4D1: winascent+windescent-emunits
// byte offsets 0x4DF/0x4E0: avgwidth
return true;
}
bool WinSalGraphics::AddTempDevFont( PhysicalFontCollection* pFontCollection,
const OUString& rFontFileURL, const OUString& rFontName )
{
SAL_INFO( "vcl.gdi", "WinSalGraphics::AddTempDevFont(): " << rFontFileURL );
FontAttributes aDFA;
aDFA.SetFamilyName(rFontName);
aDFA.SetQuality( 1000 );
// Retrieve font name from font resource
if( aDFA.GetFamilyName().isEmpty() )
{
ImplGetFontAttrFromFile( rFontFileURL, aDFA );
}
if ( aDFA.GetFamilyName().isEmpty() )
return false;
// remember temp font for cleanup later
if( !ImplAddTempFont( *GetSalData(), rFontFileURL ) )
return false;
// create matching FontData struct
aDFA.SetSymbolFlag(false); // TODO: how to know it without accessing the font?
aDFA.SetFamilyType(FAMILY_DONTKNOW);
aDFA.SetWidthType(WIDTH_DONTKNOW);
aDFA.SetWeight(WEIGHT_DONTKNOW);
aDFA.SetItalic(ITALIC_DONTKNOW);
aDFA.SetPitch(PITCH_DONTKNOW);
/*
// TODO: improve FontAttributes using the "font resource file"
aDFS.maName = // using "FONTRES:" from file
if( rFontName != aDFS.maName )
aDFS.maMapName = aFontName;
*/
WinFontFace* pFontData = new WinFontFace( aDFA, 0,
sal::static_int_cast<BYTE>(DEFAULT_CHARSET),
sal::static_int_cast<BYTE>(TMPF_VECTOR|TMPF_TRUETYPE) );
pFontData->SetFontId( reinterpret_cast<sal_IntPtr>(pFontData) );
pFontCollection->Add( pFontData );
return true;
}
void WinSalGraphics::GetDevFontList( PhysicalFontCollection* pFontCollection )
{
// make sure all fonts are registered at least temporarily
static bool bOnce = true;
if( bOnce )
{
bOnce = false;
// determine font path
// since we are only interested in fonts that could not be
// registered before because of missing administration rights
// only the font path of the user installation is needed
OUString aPath("$BRAND_BASE_DIR");
rtl_bootstrap_expandMacros(&aPath.pData);
// collect fonts in font path that could not be registered
osl::Directory aFontDir(aPath + "/" LIBO_SHARE_FOLDER "/fonts/truetype");
osl::FileBase::RC rcOSL = aFontDir.open();
if( rcOSL == osl::FileBase::E_None )
{
osl::DirectoryItem aDirItem;
OUString aEmptyString;
while( aFontDir.getNextItem( aDirItem, 10 ) == osl::FileBase::E_None )
{
osl::FileStatus aFileStatus( osl_FileStatus_Mask_FileURL );
rcOSL = aDirItem.getFileStatus( aFileStatus );
if ( rcOSL == osl::FileBase::E_None )
AddTempDevFont( pFontCollection, aFileStatus.getFileURL(), aEmptyString );
}
}
}
ImplEnumInfo aInfo;
aInfo.mhDC = getHDC();
aInfo.mpList = pFontCollection;
aInfo.mpName = nullptr;
aInfo.mbPrinter = mbPrinter;
aInfo.mnFontCount = 0;
LOGFONTW aLogFont;
memset( &aLogFont, 0, sizeof( aLogFont ) );
aLogFont.lfCharSet = DEFAULT_CHARSET;
aInfo.mpLogFont = &aLogFont;
EnumFontFamiliesExW( getHDC(), &aLogFont,
SalEnumFontsProcExW, reinterpret_cast<LPARAM>(&aInfo), 0 );
// set glyph fallback hook
static WinGlyphFallbackSubstititution aSubstFallback;
static WinPreMatchFontSubstititution aPreMatchFont;
pFontCollection->SetFallbackHook( &aSubstFallback );
pFontCollection->SetPreMatchHook(&aPreMatchFont);
}
void WinSalGraphics::ClearDevFontCache()
{
//anything to do here ?
}
bool WinSalGraphics::GetGlyphBoundRect(const GlyphItem& rGlyph, tools::Rectangle& rRect)
{
HDC hDC = getHDC();
// use unity matrix
MAT2 aMat;
aMat.eM11 = aMat.eM22 = FixedFromDouble( 1.0 );
aMat.eM12 = aMat.eM21 = FixedFromDouble( 0.0 );
UINT nGGOFlags = GGO_METRICS;
nGGOFlags |= GGO_GLYPH_INDEX;
GLYPHMETRICS aGM;
aGM.gmptGlyphOrigin.x = aGM.gmptGlyphOrigin.y = 0;
aGM.gmBlackBoxX = aGM.gmBlackBoxY = 0;
DWORD nSize = ::GetGlyphOutlineW(hDC, rGlyph.maGlyphId, nGGOFlags, &aGM, 0, nullptr, &aMat);
if( nSize == GDI_ERROR )
return false;
rRect = tools::Rectangle( Point( +aGM.gmptGlyphOrigin.x, -aGM.gmptGlyphOrigin.y ),
Size( aGM.gmBlackBoxX, aGM.gmBlackBoxY ) );
rRect.Right() += 1;
rRect.Bottom() += 1;
return true;
}
bool WinSalGraphics::GetGlyphOutline(const GlyphItem& rGlyph,
basegfx::B2DPolyPolygon& rB2DPolyPoly )
{
rB2DPolyPoly.clear();
HDC hDC = getHDC();
// use unity matrix
MAT2 aMat;
aMat.eM11 = aMat.eM22 = FixedFromDouble( 1.0 );
aMat.eM12 = aMat.eM21 = FixedFromDouble( 0.0 );
UINT nGGOFlags = GGO_NATIVE;
nGGOFlags |= GGO_GLYPH_INDEX;
GLYPHMETRICS aGlyphMetrics;
const DWORD nSize1 = ::GetGlyphOutlineW(hDC, rGlyph.maGlyphId, nGGOFlags, &aGlyphMetrics, 0, nullptr, &aMat);
if( !nSize1 ) // blank glyphs are ok
return true;
else if( nSize1 == GDI_ERROR )
return false;
BYTE* pData = new BYTE[ nSize1 ];
const DWORD nSize2 = ::GetGlyphOutlineW(hDC, rGlyph.maGlyphId, nGGOFlags,
&aGlyphMetrics, nSize1, pData, &aMat );
if( nSize1 != nSize2 )
return false;
// TODO: avoid tools polygon by creating B2DPolygon directly
int nPtSize = 512;
Point* pPoints = new Point[ nPtSize ];
PolyFlags* pFlags = new PolyFlags[ nPtSize ];
TTPOLYGONHEADER* pHeader = reinterpret_cast<TTPOLYGONHEADER*>(pData);
while( reinterpret_cast<BYTE*>(pHeader) < pData+nSize2 )
{
// only outline data is interesting
if( pHeader->dwType != TT_POLYGON_TYPE )
break;
// get start point; next start points are end points
// of previous segment
sal_uInt16 nPnt = 0;
long nX = IntTimes256FromFixed( pHeader->pfxStart.x );
long nY = IntTimes256FromFixed( pHeader->pfxStart.y );
pPoints[ nPnt ] = Point( nX, nY );
pFlags[ nPnt++ ] = PolyFlags::Normal;
bool bHasOfflinePoints = false;
TTPOLYCURVE* pCurve = reinterpret_cast<TTPOLYCURVE*>( pHeader + 1 );
pHeader = reinterpret_cast<TTPOLYGONHEADER*>( reinterpret_cast<BYTE*>(pHeader) + pHeader->cb );
while( reinterpret_cast<BYTE*>(pCurve) < reinterpret_cast<BYTE*>(pHeader) )
{
int nNeededSize = nPnt + 16 + 3 * pCurve->cpfx;
if( nPtSize < nNeededSize )
{
Point* pOldPoints = pPoints;
PolyFlags* pOldFlags = pFlags;
nPtSize = 2 * nNeededSize;
pPoints = new Point[ nPtSize ];
pFlags = new PolyFlags[ nPtSize ];
for( sal_uInt16 i = 0; i < nPnt; ++i )
{
pPoints[ i ] = pOldPoints[ i ];
pFlags[ i ] = pOldFlags[ i ];
}
delete[] pOldPoints;
delete[] pOldFlags;
}
int i = 0;
if( TT_PRIM_LINE == pCurve->wType )
{
while( i < pCurve->cpfx )
{
nX = IntTimes256FromFixed( pCurve->apfx[ i ].x );
nY = IntTimes256FromFixed( pCurve->apfx[ i ].y );
++i;
pPoints[ nPnt ] = Point( nX, nY );
pFlags[ nPnt ] = PolyFlags::Normal;
++nPnt;
}
}
else if( TT_PRIM_QSPLINE == pCurve->wType )
{
bHasOfflinePoints = true;
while( i < pCurve->cpfx )
{
// get control point of quadratic bezier spline
nX = IntTimes256FromFixed( pCurve->apfx[ i ].x );
nY = IntTimes256FromFixed( pCurve->apfx[ i ].y );
++i;
Point aControlP( nX, nY );
// calculate first cubic control point
// P0 = 1/3 * (PBeg + 2 * PQControl)
nX = pPoints[ nPnt-1 ].X() + 2 * aControlP.X();
nY = pPoints[ nPnt-1 ].Y() + 2 * aControlP.Y();
pPoints[ nPnt+0 ] = Point( (2*nX+3)/6, (2*nY+3)/6 );
pFlags[ nPnt+0 ] = PolyFlags::Control;
// calculate endpoint of segment
nX = IntTimes256FromFixed( pCurve->apfx[ i ].x );
nY = IntTimes256FromFixed( pCurve->apfx[ i ].y );
if ( i+1 >= pCurve->cpfx )
{
// endpoint is either last point in segment => advance
++i;
}
else
{
// or endpoint is the middle of two control points
nX += IntTimes256FromFixed( pCurve->apfx[ i-1 ].x );
nY += IntTimes256FromFixed( pCurve->apfx[ i-1 ].y );
nX = (nX + 1) / 2;
nY = (nY + 1) / 2;
// no need to advance, because the current point
// is the control point in next bezier spline
}
pPoints[ nPnt+2 ] = Point( nX, nY );
pFlags[ nPnt+2 ] = PolyFlags::Normal;
// calculate second cubic control point
// P1 = 1/3 * (PEnd + 2 * PQControl)
nX = pPoints[ nPnt+2 ].X() + 2 * aControlP.X();
nY = pPoints[ nPnt+2 ].Y() + 2 * aControlP.Y();
pPoints[ nPnt+1 ] = Point( (2*nX+3)/6, (2*nY+3)/6 );
pFlags[ nPnt+1 ] = PolyFlags::Control;
nPnt += 3;
}
}
// next curve segment
pCurve = reinterpret_cast<TTPOLYCURVE*>(&pCurve->apfx[ i ]);
}
// end point is start point for closed contour
// disabled, because Polygon class closes the contour itself
// pPoints[nPnt++] = pPoints[0];
// #i35928#
// Added again, but add only when not yet closed
if(pPoints[nPnt - 1] != pPoints[0])
{
if( bHasOfflinePoints )
pFlags[nPnt] = pFlags[0];
pPoints[nPnt++] = pPoints[0];
}
// convert y-coordinates W32 -> VCL
for( int i = 0; i < nPnt; ++i )
pPoints[i].Y() = -pPoints[i].Y();
// insert into polypolygon
tools::Polygon aPoly( nPnt, pPoints, (bHasOfflinePoints ? pFlags : nullptr) );
// convert to B2DPolyPolygon
// TODO: get rid of the intermediate PolyPolygon
rB2DPolyPoly.append( aPoly.getB2DPolygon() );
}
delete[] pPoints;
delete[] pFlags;
delete[] pData;
// rescaling needed for the tools::PolyPolygon conversion
if( rB2DPolyPoly.count() )
{
const double fFactor(1.0/256);
rB2DPolyPoly.transform(basegfx::tools::createScaleB2DHomMatrix(fFactor, fFactor));
}
return true;
}
class ScopedFont
{
public:
explicit ScopedFont(WinSalGraphics & rData);
~ScopedFont();
private:
WinSalGraphics & m_rData;
HFONT m_hOrigFont;
};
ScopedFont::ScopedFont(WinSalGraphics & rData): m_rData(rData)
{
m_hOrigFont = m_rData.mhFonts[0];
m_rData.mhFonts[0] = nullptr; // avoid deletion of current font
}
ScopedFont::~ScopedFont()
{
if( m_hOrigFont )
{
// restore original font, destroy temporary font
HFONT hTempFont = m_rData.mhFonts[0];
m_rData.mhFonts[0] = m_hOrigFont;
SelectObject( m_rData.getHDC(), m_hOrigFont );
DeleteObject( hTempFont );
}
}
class ScopedTrueTypeFont
{
public:
ScopedTrueTypeFont(): m_pFont(nullptr) {}
~ScopedTrueTypeFont();
int open(void const * pBuffer, sal_uInt32 nLen, sal_uInt32 nFaceNum);
TrueTypeFont * get() const { return m_pFont; }
private:
TrueTypeFont * m_pFont;
};
ScopedTrueTypeFont::~ScopedTrueTypeFont()
{
if (m_pFont != nullptr)
CloseTTFont(m_pFont);
}
int ScopedTrueTypeFont::open(void const * pBuffer, sal_uInt32 nLen,
sal_uInt32 nFaceNum)
{
OSL_ENSURE(m_pFont == nullptr, "already open");
return OpenTTFontBuffer(pBuffer, nLen, nFaceNum, &m_pFont);
}
bool WinSalGraphics::CreateFontSubset( const OUString& rToFile,
const PhysicalFontFace* pFont, const sal_GlyphId* pGlyphIds, const sal_uInt8* pEncoding,
sal_Int32* pGlyphWidths, int nGlyphCount, FontSubsetInfo& rInfo )
{
// TODO: use more of the central font-subsetting code, move stuff there if needed
// create matching FontSelectPattern
// we need just enough to get to the font file data
// use height=1000 for easier debugging (to match psprint's font units)
FontSelectPattern aIFSD( *pFont, Size(0,1000), 1000.0, 0, false );
// TODO: much better solution: move SetFont and restoration of old font to caller
ScopedFont aOldFont(*this);
HFONT hOldFont = nullptr;
ImplDoSetFont(&aIFSD, hOldFont);
WinFontFace const * pWinFontData = static_cast<WinFontFace const *>(aIFSD.mpFontData);
#if OSL_DEBUG_LEVEL > 1
// get font metrics
TEXTMETRICA aWinMetric;
if( !::GetTextMetricsA( getHDC(), &aWinMetric ) )
return FALSE;
SAL_WARN_IF( (aWinMetric.tmPitchAndFamily & TMPF_DEVICE), "vcl", "cannot subset device font" );
SAL_WARN_IF( !(aWinMetric.tmPitchAndFamily & TMPF_TRUETYPE), "vcl", "can only subset TT font" );
#endif
OUString aSysPath;
if( osl_File_E_None != osl_getSystemPathFromFileURL( rToFile.pData, &aSysPath.pData ) )
return FALSE;
const rtl_TextEncoding aThreadEncoding = osl_getThreadTextEncoding();
const OString aToFile(OUStringToOString(aSysPath, aThreadEncoding));
// check if the font has a CFF-table
const DWORD nCffTag = CalcTag( "CFF " );
const RawFontData aRawCffData( getHDC(), nCffTag );
if( aRawCffData.get() )
{
pWinFontData->UpdateFromHDC( getHDC() );
FontCharMapRef xFontCharMap = pWinFontData->GetFontCharMap();
xFontCharMap = nullptr;
// provide a font subset from the CFF-table
FILE* pOutFile = fopen( aToFile.getStr(), "wb" );
rInfo.LoadFont( FontType::CFF_FONT, aRawCffData.get(), aRawCffData.size() );
bool bRC = rInfo.CreateFontSubset( FontType::TYPE1_PFB, pOutFile, nullptr,
pGlyphIds, pEncoding, nGlyphCount, pGlyphWidths );
fclose( pOutFile );
return bRC;
}
// get raw font file data
const RawFontData xRawFontData( getHDC(), 0 );
if( !xRawFontData.get() )
return FALSE;
// open font file
sal_uInt32 nFaceNum = 0;
if( !*xRawFontData.get() ) // TTC candidate
nFaceNum = ~0U; // indicate "TTC font extracts only"
ScopedTrueTypeFont aSftTTF;
int nRC = aSftTTF.open( xRawFontData.get(), xRawFontData.size(), nFaceNum );
if( nRC != SF_OK )
return FALSE;
TTGlobalFontInfo aTTInfo;
::GetTTGlobalFontInfo( aSftTTF.get(), &aTTInfo );
rInfo.m_nFontType = FontType::SFNT_TTF;
rInfo.m_aPSName = ImplSalGetUniString( aTTInfo.psname );
rInfo.m_nAscent = aTTInfo.winAscent;
rInfo.m_nDescent = aTTInfo.winDescent;
rInfo.m_aFontBBox = tools::Rectangle( Point( aTTInfo.xMin, aTTInfo.yMin ),
Point( aTTInfo.xMax, aTTInfo.yMax ) );
rInfo.m_nCapHeight = aTTInfo.yMax; // Well ...
// subset TTF-glyphs and get their properties
// take care that subset fonts require the NotDef glyph in pos 0
int nOrigCount = nGlyphCount;
sal_uInt16 aShortIDs[ 256 ];
sal_uInt8 aTempEncs[ 256 ];
int nNotDef=-1, i;
for( i = 0; i < nGlyphCount; ++i )
{
aTempEncs[i] = pEncoding[i];
aShortIDs[i] = static_cast<sal_uInt16>(pGlyphIds[i]);
if (!aShortIDs[i])
if( nNotDef < 0 )
nNotDef = i; // first NotDef glyph found
}
if( nNotDef != 0 )
{
// add fake NotDef glyph if needed
if( nNotDef < 0 )
nNotDef = nGlyphCount++;
// NotDef glyph must be in pos 0 => swap glyphids
aShortIDs[ nNotDef ] = aShortIDs[0];
aTempEncs[ nNotDef ] = aTempEncs[0];
aShortIDs[0] = 0;
aTempEncs[0] = 0;
}
SAL_WARN_IF( nGlyphCount >= 257, "vcl", "too many glyphs for subsetting" );
// fill pWidth array
TTSimpleGlyphMetrics* pMetrics =
::GetTTSimpleGlyphMetrics( aSftTTF.get(), aShortIDs, nGlyphCount, aIFSD.mbVertical );
if( !pMetrics )
return FALSE;
sal_uInt16 nNotDefAdv = pMetrics[0].adv;
pMetrics[0].adv = pMetrics[nNotDef].adv;
pMetrics[nNotDef].adv = nNotDefAdv;
for( i = 0; i < nOrigCount; ++i )
pGlyphWidths[i] = pMetrics[i].adv;
free( pMetrics );
// write subset into destination file
nRC = ::CreateTTFromTTGlyphs( aSftTTF.get(), aToFile.getStr(), aShortIDs,
aTempEncs, nGlyphCount, 0, nullptr );
return (nRC == SF_OK);
}
const void* WinSalGraphics::GetEmbedFontData(const PhysicalFontFace* pFont, long* pDataLen)
{
// create matching FontSelectPattern
// we need just enough to get to the font file data
FontSelectPattern aIFSD( *pFont, Size(0,1000), 1000.0, 0, false );
ScopedFont aOldFont(*this);
SetFont( &aIFSD, 0 );
// get the raw font file data
RawFontData aRawFontData( getHDC() );
*pDataLen = aRawFontData.size();
if( !aRawFontData.get() )
return nullptr;
const unsigned char* pData = aRawFontData.steal();
return pData;
}
void WinSalGraphics::FreeEmbedFontData( const void* pData, long /*nLen*/ )
{
delete[] static_cast<char const *>(pData);
}
void WinSalGraphics::GetGlyphWidths( const PhysicalFontFace* pFont,
bool bVertical,
std::vector< sal_Int32 >& rWidths,
Ucs2UIntMap& rUnicodeEnc )
{
// create matching FontSelectPattern
// we need just enough to get to the font file data
FontSelectPattern aIFSD( *pFont, Size(0,1000), 1000.0, 0, false );
// TODO: much better solution: move SetFont and restoration of old font to caller
ScopedFont aOldFont(*this);
HFONT hOldFont = nullptr;
ImplDoSetFont(&aIFSD, hOldFont);
// get raw font file data
const RawFontData xRawFontData( getHDC() );
if( !xRawFontData.get() )
return;
// open font file
sal_uInt32 nFaceNum = 0;
if( !*xRawFontData.get() ) // TTC candidate
nFaceNum = ~0U; // indicate "TTC font extracts only"
ScopedTrueTypeFont aSftTTF;
int nRC = aSftTTF.open( xRawFontData.get(), xRawFontData.size(), nFaceNum );
if( nRC != SF_OK )
return;
int nGlyphs = GetTTGlyphCount( aSftTTF.get() );
if( nGlyphs > 0 )
{
rWidths.resize(nGlyphs);
std::vector<sal_uInt16> aGlyphIds(nGlyphs);
for( int i = 0; i < nGlyphs; i++ )
aGlyphIds[i] = sal_uInt16(i);
TTSimpleGlyphMetrics* pMetrics = ::GetTTSimpleGlyphMetrics( aSftTTF.get(),
&aGlyphIds[0],
nGlyphs,
bVertical );
if( pMetrics )
{
for( int i = 0; i< nGlyphs; i++ )
rWidths[i] = pMetrics[i].adv;
free( pMetrics );
rUnicodeEnc.clear();
}
const WinFontFace* pWinFont = static_cast<const WinFontFace*>(pFont);
FontCharMapRef xFCMap = pWinFont->GetFontCharMap();
SAL_WARN_IF( !xFCMap.is() || !xFCMap->GetCharCount(), "vcl", "no map" );
int nCharCount = xFCMap->GetCharCount();
sal_uInt32 nChar = xFCMap->GetFirstChar();
for( int i = 0; i < nCharCount; i++ )
{
if( nChar < 0x00010000 )
{
sal_uInt16 nGlyph = ::MapChar( aSftTTF.get(),
static_cast<sal_Ucs>(nChar));
if( nGlyph )
rUnicodeEnc[ static_cast<sal_Unicode>(nChar) ] = nGlyph;
}
nChar = xFCMap->GetNextChar( nChar );
}
xFCMap = nullptr;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|