Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : /*
21 : * Sun Font Tools
22 : *
23 : * Author: Alexander Gelfenbain
24 : *
25 : */
26 :
27 : #include <assert.h>
28 :
29 : #include <stdlib.h>
30 : #include <string.h>
31 : #include <fcntl.h>
32 : #ifdef UNX
33 : #include <sys/mman.h>
34 : #include <sys/stat.h>
35 : #endif
36 : #include "sft.hxx"
37 : #include "gsub.h"
38 : #if ! (defined(NO_TTCR) && defined(NO_TYPE42))
39 : #include "ttcr.hxx"
40 : #endif
41 : #ifndef NO_MAPPERS /* include MapChar() and MapString() */
42 : #include "xlat.hxx"
43 : #endif
44 : #ifndef NO_TYPE3 /* include CreateT3FromTTGlyphs() */
45 : #include <rtl/crc.h>
46 : #endif
47 : #include <rtl/ustring.hxx>
48 :
49 : #include <osl/endian.h>
50 : #include <algorithm>
51 :
52 : namespace vcl
53 : {
54 :
55 : /*- module identification */
56 :
57 : static const char *modname = "SunTypeTools-TT";
58 : static const char *modver = "1.0";
59 : static const char *modextra = "gelf";
60 :
61 : /*- private functions, constants and data types */
62 :
63 : enum PathSegmentType {
64 : PS_NOOP = 0,
65 : PS_MOVETO = 1,
66 : PS_LINETO = 2,
67 : PS_CURVETO = 3,
68 : PS_CLOSEPATH = 4
69 : };
70 :
71 : struct PSPathElement
72 : {
73 : PathSegmentType type;
74 : int x1, y1;
75 : int x2, y2;
76 : int x3, y3;
77 :
78 0 : PSPathElement( PathSegmentType i_eType ) : type( i_eType ),
79 : x1( 0 ), y1( 0 ),
80 : x2( 0 ), y2( 0 ),
81 0 : x3( 0 ), y3( 0 )
82 : {
83 0 : }
84 : };
85 :
86 : /*- In horizontal writing mode right sidebearing is calculated using this formula
87 : *- rsb = aw - (lsb + xMax - xMin) -*/
88 : typedef struct {
89 : sal_Int16 xMin;
90 : sal_Int16 yMin;
91 : sal_Int16 xMax;
92 : sal_Int16 yMax;
93 : sal_uInt16 aw; /*- Advance Width (horizontal writing mode) */
94 : sal_Int16 lsb; /*- Left sidebearing (horizontal writing mode) */
95 : sal_uInt16 ah; /*- advance height (vertical writing mode) */
96 : sal_Int16 tsb; /*- top sidebearing (vertical writing mode) */
97 : } TTGlyphMetrics;
98 :
99 : #define HFORMAT_LINELEN 64
100 :
101 : typedef struct {
102 : FILE *o;
103 : char buffer[HFORMAT_LINELEN];
104 : size_t bufpos;
105 : int total;
106 : } HexFmt;
107 :
108 : typedef struct {
109 : sal_uInt32 nGlyphs; /* number of glyphs in the font + 1 */
110 : sal_uInt32 *offs; /* array of nGlyphs offsets */
111 : } GlyphOffsets;
112 :
113 : /* private tags */
114 : static const sal_uInt32 TTFontClassTag = 0x74746663; /* 'ttfc' */
115 :
116 : static const sal_uInt32 T_true = 0x74727565; /* 'true' */
117 : static const sal_uInt32 T_ttcf = 0x74746366; /* 'ttcf' */
118 : static const sal_uInt32 T_otto = 0x4f54544f; /* 'OTTO' */
119 :
120 : /* standard TrueType table tags */
121 : #define T_maxp 0x6D617870
122 : #define T_glyf 0x676C7966
123 : #define T_head 0x68656164
124 : #define T_loca 0x6C6F6361
125 : #define T_name 0x6E616D65
126 : #define T_hhea 0x68686561
127 : #define T_hmtx 0x686D7478
128 : #define T_cmap 0x636D6170
129 : #define T_vhea 0x76686561
130 : #define T_vmtx 0x766D7478
131 : #define T_OS2 0x4F532F32
132 : #define T_post 0x706F7374
133 : #define T_kern 0x6B65726E
134 : #define T_cvt 0x63767420
135 : #define T_prep 0x70726570
136 : #define T_fpgm 0x6670676D
137 : #define T_gsub 0x47535542
138 : #define T_CFF 0x43464620
139 :
140 : /*- inline functions */
141 : #ifdef __GNUC__
142 : #define _inline static __inline__
143 : #else
144 : #define _inline static
145 : #endif
146 :
147 0 : _inline void *smalloc(size_t size)
148 : {
149 0 : void *res = malloc(size);
150 : assert(res != 0);
151 0 : return res;
152 : }
153 :
154 0 : _inline void *scalloc(size_t n, size_t size)
155 : {
156 0 : void *res = calloc(n, size);
157 : assert(res != 0);
158 0 : return res;
159 : }
160 :
161 : /*- Data access macros for data stored in big-endian or little-endian format */
162 96468 : _inline sal_Int16 GetInt16(const sal_uInt8 *ptr, size_t offset, int bigendian)
163 : {
164 : sal_Int16 t;
165 : assert(ptr != 0);
166 :
167 96468 : if (bigendian) {
168 96468 : t = (ptr+offset)[0] << 8 | (ptr+offset)[1];
169 : } else {
170 0 : t = (ptr+offset)[1] << 8 | (ptr+offset)[0];
171 : }
172 :
173 96468 : return t;
174 : }
175 :
176 5758089 : _inline sal_uInt16 GetUInt16(const sal_uInt8 *ptr, size_t offset, int bigendian)
177 : {
178 : sal_uInt16 t;
179 : assert(ptr != 0);
180 :
181 5758089 : if (bigendian) {
182 5758089 : t = (ptr+offset)[0] << 8 | (ptr+offset)[1];
183 : } else {
184 0 : t = (ptr+offset)[1] << 8 | (ptr+offset)[0];
185 : }
186 :
187 5758089 : return t;
188 : }
189 :
190 16078 : _inline sal_Int32 GetInt32(const sal_uInt8 *ptr, size_t offset, int bigendian)
191 : {
192 : sal_Int32 t;
193 : assert(ptr != 0);
194 :
195 16078 : if (bigendian) {
196 32156 : t = (ptr+offset)[0] << 24 | (ptr+offset)[1] << 16 |
197 32156 : (ptr+offset)[2] << 8 | (ptr+offset)[3];
198 : } else {
199 0 : t = (ptr+offset)[3] << 24 | (ptr+offset)[2] << 16 |
200 0 : (ptr+offset)[1] << 8 | (ptr+offset)[0];
201 : }
202 :
203 16078 : return t;
204 : }
205 :
206 13691135 : _inline sal_uInt32 GetUInt32(const sal_uInt8 *ptr, size_t offset, int bigendian)
207 : {
208 : sal_uInt32 t;
209 : assert(ptr != 0);
210 :
211 13691135 : if (bigendian) {
212 27382270 : t = (ptr+offset)[0] << 24 | (ptr+offset)[1] << 16 |
213 27382270 : (ptr+offset)[2] << 8 | (ptr+offset)[3];
214 : } else {
215 0 : t = (ptr+offset)[3] << 24 | (ptr+offset)[2] << 16 |
216 0 : (ptr+offset)[1] << 8 | (ptr+offset)[0];
217 : }
218 :
219 13691135 : return t;
220 : }
221 :
222 : #if defined(OSL_BIGENDIAN)
223 : #define Int16FromMOTA(a) (a)
224 : #define Int32FromMOTA(a) (a)
225 : #else
226 0 : static sal_uInt16 Int16FromMOTA(sal_uInt16 a) {
227 0 : return (sal_uInt16) (((sal_uInt8)((a) >> 8)) | ((sal_uInt8)(a) << 8));
228 : }
229 0 : static sal_uInt32 Int32FromMOTA(sal_uInt32 a) {
230 0 : return ((a>>24)&0xFF) | (((a>>8)&0xFF00) | ((a&0xFF00)<<8) | ((a&0xFF)<<24));
231 : }
232 : #endif
233 :
234 0 : _inline F16Dot16 fixedMul(F16Dot16 a, F16Dot16 b)
235 : {
236 : unsigned int a1, b1;
237 : unsigned int a2, b2;
238 : F16Dot16 res;
239 : int sign;
240 :
241 0 : sign = (a & 0x80000000) ^ (b & 0x80000000);
242 0 : if (a < 0) a = -a;
243 0 : if (b < 0) b = -b;
244 :
245 0 : a1 = a >> 16;
246 0 : b1 = a & 0xFFFF;
247 0 : a2 = b >> 16;
248 0 : b2 = b & 0xFFFF;
249 :
250 0 : res = a1 * a2;
251 :
252 : /* if (res > 0x7FFF) assert(!"fixedMul: F16Dot16 overflow"); */
253 :
254 0 : res <<= 16;
255 0 : res += a1 * b2 + b1 * a2 + ((b1 * b2) >> 16);
256 :
257 0 : return sign ? -res : res;
258 : }
259 :
260 0 : _inline F16Dot16 fixedDiv(F16Dot16 a, F16Dot16 b)
261 : {
262 : unsigned int f, r;
263 : F16Dot16 res;
264 : int sign;
265 :
266 0 : sign = (a & 0x80000000) ^ (b & 0x80000000);
267 0 : if (a < 0) a = -a;
268 0 : if (b < 0) b = -b;
269 :
270 0 : f = a / b;
271 0 : r = a % b;
272 :
273 : /* if (f > 0x7FFFF) assert(!"fixedDiv: F16Dot16 overflow"); */
274 :
275 0 : while (r > 0xFFFF) {
276 0 : r >>= 1;
277 0 : b >>= 1;
278 : }
279 :
280 0 : res = (f << 16) + (r << 16) / b;
281 :
282 0 : return sign ? -res : res;
283 : }
284 :
285 : /*- returns a * b / c -*/
286 : /* XXX provide a real implementation that preserves accuracy */
287 0 : _inline F16Dot16 fixedMulDiv(F16Dot16 a, F16Dot16 b, F16Dot16 c)
288 : {
289 : F16Dot16 res;
290 :
291 0 : res = fixedMul(a, b);
292 0 : return fixedDiv(res, c);
293 : }
294 :
295 : /*- Translate units from TT to PS (standard 1/1000) -*/
296 96468 : _inline int XUnits(int unitsPerEm, int n)
297 : {
298 96468 : return (n * 1000) / unitsPerEm;
299 : }
300 :
301 168819 : _inline const sal_uInt8* getTable( TrueTypeFont *ttf, sal_uInt32 ord)
302 : {
303 168819 : return (sal_uInt8*)ttf->tables[ord];
304 : }
305 :
306 48234 : _inline sal_uInt32 getTableSize(TrueTypeFont *ttf, sal_uInt32 ord)
307 : {
308 48234 : return ttf->tlens[ord];
309 : }
310 :
311 : #ifndef NO_TYPE42
312 : /* Hex Formatter functions */
313 : static const char HexChars[] = "0123456789ABCDEF";
314 :
315 0 : static HexFmt *HexFmtNew(FILE *outf)
316 : {
317 0 : HexFmt* res = (HexFmt*)smalloc(sizeof(HexFmt));
318 0 : res->bufpos = res->total = 0;
319 0 : res->o = outf;
320 0 : return res;
321 : }
322 :
323 0 : static bool HexFmtFlush(HexFmt *_this)
324 : {
325 0 : bool bRet = true;
326 0 : if (_this->bufpos) {
327 0 : size_t nWritten = fwrite(_this->buffer, 1, _this->bufpos, _this->o);
328 0 : bRet = nWritten == _this->bufpos;
329 0 : _this->bufpos = 0;
330 : }
331 0 : return bRet;
332 : }
333 :
334 0 : _inline void HexFmtOpenString(HexFmt *_this)
335 : {
336 0 : fputs("<\n", _this->o);
337 0 : }
338 :
339 0 : _inline void HexFmtCloseString(HexFmt *_this)
340 : {
341 0 : HexFmtFlush(_this);
342 0 : fputs("00\n>\n", _this->o);
343 0 : }
344 :
345 0 : _inline void HexFmtDispose(HexFmt *_this)
346 : {
347 0 : HexFmtFlush(_this);
348 0 : free(_this);
349 0 : }
350 :
351 0 : static void HexFmtBlockWrite(HexFmt *_this, const void *ptr, sal_uInt32 size)
352 : {
353 : sal_uInt8 Ch;
354 : sal_uInt32 i;
355 :
356 0 : if (_this->total + size > 65534) {
357 0 : HexFmtFlush(_this);
358 0 : HexFmtCloseString(_this);
359 0 : _this->total = 0;
360 0 : HexFmtOpenString(_this);
361 : }
362 0 : for (i=0; i<size; i++) {
363 0 : Ch = ((sal_uInt8 *) ptr)[i];
364 0 : _this->buffer[_this->bufpos++] = HexChars[Ch >> 4];
365 0 : _this->buffer[_this->bufpos++] = HexChars[Ch & 0xF];
366 0 : if (_this->bufpos == HFORMAT_LINELEN) {
367 0 : HexFmtFlush(_this);
368 0 : fputc('\n', _this->o);
369 : }
370 :
371 : }
372 0 : _this->total += size;
373 0 : }
374 : #endif
375 :
376 : /* Outline Extraction functions */
377 :
378 : /* fills the aw and lsb entries of the TTGlyphMetrics structure from hmtx table -*/
379 0 : static void GetMetrics(TrueTypeFont *ttf, sal_uInt32 glyphID, TTGlyphMetrics *metrics)
380 : {
381 0 : const sal_uInt8* table = getTable( ttf, O_hmtx );
382 :
383 0 : metrics->aw = metrics->lsb = metrics->ah = metrics->tsb = 0;
384 0 : if (!table || !ttf->numberOfHMetrics) return;
385 :
386 0 : if (glyphID < ttf->numberOfHMetrics) {
387 0 : metrics->aw = GetUInt16(table, 4 * glyphID, 1);
388 0 : metrics->lsb = GetInt16(table, 4 * glyphID + 2, 1);
389 : } else {
390 0 : metrics->aw = GetUInt16(table, 4 * (ttf->numberOfHMetrics - 1), 1);
391 0 : metrics->lsb = GetInt16(table + ttf->numberOfHMetrics * 4, (glyphID - ttf->numberOfHMetrics) * 2, 1);
392 : }
393 :
394 0 : table = getTable(ttf, O_vmtx);
395 0 : if( !table || !ttf->numOfLongVerMetrics )
396 0 : return;
397 :
398 0 : if (glyphID < ttf->numOfLongVerMetrics) {
399 0 : metrics->ah = GetUInt16(table, 4 * glyphID, 1);
400 0 : metrics->tsb = GetInt16(table, 4 * glyphID + 2, 1);
401 : } else {
402 0 : metrics->ah = GetUInt16(table, 4 * (ttf->numOfLongVerMetrics - 1), 1);
403 0 : metrics->tsb = GetInt16(table + ttf->numOfLongVerMetrics * 4, (glyphID - ttf->numOfLongVerMetrics) * 2, 1);
404 : }
405 : }
406 :
407 : static int GetTTGlyphOutline(TrueTypeFont *, sal_uInt32 , ControlPoint **, TTGlyphMetrics *, std::vector< sal_uInt32 >* );
408 :
409 : /* returns the number of control points, allocates the pointArray */
410 0 : static int GetSimpleTTOutline(TrueTypeFont *ttf, sal_uInt32 glyphID, ControlPoint **pointArray, TTGlyphMetrics *metrics)
411 : {
412 0 : const sal_uInt8* table = getTable( ttf, O_glyf );
413 : sal_uInt8 flag, n;
414 0 : sal_uInt16 t, lastPoint=0;
415 : int i, j, z;
416 :
417 0 : *pointArray = 0;
418 :
419 : /* printf("GetSimpleTTOutline(%d)\n", glyphID); */
420 :
421 0 : if( glyphID >= ttf->nglyphs ) /*- glyph is not present in the font */
422 0 : return 0;
423 0 : const sal_uInt8* ptr = table + ttf->goffsets[glyphID];
424 0 : const sal_Int16 numberOfContours = GetInt16(ptr, 0, 1);
425 0 : if( numberOfContours <= 0 ) /*- glyph is not simple */
426 0 : return 0;
427 :
428 0 : if (metrics) { /*- GetCompoundTTOutline() calls this function with NULL metrics -*/
429 0 : metrics->xMin = GetInt16(ptr, 2, 1);
430 0 : metrics->yMin = GetInt16(ptr, 4, 1);
431 0 : metrics->xMax = GetInt16(ptr, 6, 1);
432 0 : metrics->yMax = GetInt16(ptr, 8, 1);
433 0 : GetMetrics(ttf, glyphID, metrics);
434 : }
435 :
436 : /* determine the last point and be extra safe about it. But probably this code is not needed */
437 :
438 0 : for (i=0; i<numberOfContours; i++) {
439 0 : if ((t = GetUInt16(ptr, 10+i*2, 1)) > lastPoint) lastPoint = t;
440 : }
441 :
442 0 : sal_uInt16 instLen = GetUInt16(ptr, 10 + numberOfContours*2, 1);
443 0 : const sal_uInt8* p = ptr + 10 + 2 * numberOfContours + 2 + instLen;
444 0 : sal_uInt16 palen = lastPoint+1;
445 0 : ControlPoint* pa = (ControlPoint*)calloc(palen, sizeof(ControlPoint));
446 :
447 0 : i = 0;
448 0 : while (i <= lastPoint) {
449 0 : pa[i++].flags = (sal_uInt32) (flag = *p++);
450 0 : if (flag & 8) { /*- repeat flag */
451 0 : n = *p++;
452 0 : for (j=0; j<n; j++) {
453 0 : if (i > lastPoint) { /*- if the font is really broken */
454 0 : free(pa);
455 0 : return 0;
456 : }
457 0 : pa[i++].flags = flag;
458 : }
459 : }
460 : }
461 :
462 : /*- Process the X coordinate */
463 0 : z = 0;
464 0 : for (i = 0; i <= lastPoint; i++) {
465 0 : if (pa[i].flags & 0x02) {
466 0 : if (pa[i].flags & 0x10) {
467 0 : z += (int) (*p++);
468 : } else {
469 0 : z -= (int) (*p++);
470 : }
471 0 : } else if ( !(pa[i].flags & 0x10)) {
472 0 : z += GetInt16(p, 0, 1);
473 0 : p += 2;
474 : }
475 0 : pa[i].x = (sal_Int16)z;
476 : }
477 :
478 : /*- Process the Y coordinate */
479 0 : z = 0;
480 0 : for (i = 0; i <= lastPoint; i++) {
481 0 : if (pa[i].flags & 0x04) {
482 0 : if (pa[i].flags & 0x20) {
483 0 : z += *p++;
484 : } else {
485 0 : z -= *p++;
486 : }
487 0 : } else if ( !(pa[i].flags & 0x20)) {
488 0 : z += GetInt16(p, 0, 1);
489 0 : p += 2;
490 : }
491 0 : pa[i].y = (sal_Int16)z;
492 : }
493 :
494 0 : for (i=0; i<numberOfContours; i++) {
495 0 : sal_uInt16 offset = GetUInt16(ptr, 10 + i * 2, 1);
496 : SAL_WARN_IF(offset >= palen, "vcl.fonts", "Font " << OUString::createFromAscii(ttf->fname) <<
497 : " contour " << i << " claimed an illegal offset of "
498 : << offset << " but max offset is " << palen-1);
499 0 : if (offset >= palen)
500 0 : continue;
501 0 : pa[offset].flags |= 0x00008000; /*- set the end contour flag */
502 : }
503 :
504 0 : *pointArray = pa;
505 0 : return lastPoint + 1;
506 : }
507 :
508 0 : static int GetCompoundTTOutline(TrueTypeFont *ttf, sal_uInt32 glyphID, ControlPoint **pointArray, TTGlyphMetrics *metrics, std::vector< sal_uInt32 >& glyphlist)
509 : {
510 : sal_uInt16 flags, index;
511 : sal_Int16 e, f, numberOfContours;
512 0 : const sal_uInt8* table = getTable( ttf, O_glyf );
513 0 : std::vector<ControlPoint> myPoints;
514 : ControlPoint *nextComponent, *pa;
515 : int i, np;
516 0 : F16Dot16 a = 0x10000, b = 0, c = 0, d = 0x10000, m, n, abs1, abs2, abs3;
517 :
518 0 : *pointArray = 0;
519 : /* printf("GetCompoundTTOutline(%d)\n", glyphID); */
520 :
521 0 : if (glyphID >= ttf->nglyphs) /*- incorrect glyphID */
522 0 : return 0;
523 :
524 0 : const sal_uInt8* ptr = table + ttf->goffsets[glyphID];
525 0 : if ((numberOfContours = GetInt16(ptr, 0, 1)) != -1) /*- glyph is not compound */
526 0 : return 0;
527 :
528 0 : if (metrics) {
529 0 : metrics->xMin = GetInt16(ptr, 2, 1);
530 0 : metrics->yMin = GetInt16(ptr, 4, 1);
531 0 : metrics->xMax = GetInt16(ptr, 6, 1);
532 0 : metrics->yMax = GetInt16(ptr, 8, 1);
533 0 : GetMetrics(ttf, glyphID, metrics);
534 : }
535 :
536 0 : ptr += 10;
537 :
538 0 : do {
539 0 : flags = GetUInt16(ptr, 0, 1);
540 : /* printf("flags: 0x%X\n", flags); */
541 0 : index = GetUInt16(ptr, 2, 1);
542 0 : ptr += 4;
543 :
544 0 : if( std::find( glyphlist.begin(), glyphlist.end(), index ) != glyphlist.end() )
545 : {
546 : #if OSL_DEBUG_LEVEL > 1
547 : fprintf(stderr, "Endless loop found in a compound glyph.\n");
548 : fprintf(stderr, "%d -> ", index);
549 : fprintf(stderr," [");
550 : for( std::vector< sal_uInt32 >::const_iterator it = glyphlist.begin();
551 : it != glyphlist.end(); ++it )
552 : {
553 : fprintf( stderr,"%d ", (int) *it );
554 : }
555 : fprintf(stderr,"]\n");
556 : /**/
557 : #endif
558 : }
559 :
560 0 : glyphlist.push_back( index );
561 :
562 0 : if ((np = GetTTGlyphOutline(ttf, index, &nextComponent, 0, &glyphlist)) == 0)
563 : {
564 : /* XXX that probably indicates a corrupted font */
565 : #if OSL_DEBUG_LEVEL > 1
566 : fprintf(stderr, "An empty compound!\n");
567 : /* assert(!"An empty compound"); */
568 : #endif
569 : }
570 :
571 0 : if( ! glyphlist.empty() )
572 0 : glyphlist.pop_back();
573 :
574 0 : if (flags & USE_MY_METRICS) {
575 0 : if (metrics) GetMetrics(ttf, index, metrics);
576 : }
577 :
578 0 : if (flags & ARG_1_AND_2_ARE_WORDS) {
579 0 : e = GetInt16(ptr, 0, 1);
580 0 : f = GetInt16(ptr, 2, 1);
581 : /* printf("ARG_1_AND_2_ARE_WORDS: %d %d\n", e & 0xFFFF, f & 0xFFFF); */
582 0 : ptr += 4;
583 : } else {
584 0 : if (flags & ARGS_ARE_XY_VALUES) { /* args are signed */
585 0 : e = (sal_Int8) *ptr++;
586 0 : f = (sal_Int8) *ptr++;
587 : /* printf("ARGS_ARE_XY_VALUES: %d %d\n", e & 0xFF, f & 0xFF); */
588 : } else { /* args are unsigned */
589 : /* printf("!ARGS_ARE_XY_VALUES\n"); */
590 0 : e = *ptr++;
591 0 : f = *ptr++;
592 : }
593 :
594 : }
595 :
596 0 : a = d = 0x10000;
597 0 : b = c = 0;
598 :
599 0 : if (flags & WE_HAVE_A_SCALE) {
600 0 : a = GetInt16(ptr, 0, 1) << 2;
601 0 : d = a;
602 0 : ptr += 2;
603 0 : } else if (flags & WE_HAVE_AN_X_AND_Y_SCALE) {
604 0 : a = GetInt16(ptr, 0, 1) << 2;
605 0 : d = GetInt16(ptr, 2, 1) << 2;
606 0 : ptr += 4;
607 0 : } else if (flags & WE_HAVE_A_TWO_BY_TWO) {
608 0 : a = GetInt16(ptr, 0, 1) << 2;
609 0 : b = GetInt16(ptr, 2, 1) << 2;
610 0 : c = GetInt16(ptr, 4, 1) << 2;
611 0 : d = GetInt16(ptr, 6, 1) << 2;
612 0 : ptr += 8;
613 : }
614 :
615 0 : abs1 = (a < 0) ? -a : a;
616 0 : abs2 = (b < 0) ? -b : b;
617 0 : m = (abs1 > abs2) ? abs1 : abs2;
618 0 : abs3 = abs1 - abs2;
619 0 : if (abs3 < 0) abs3 = -abs3;
620 0 : if (abs3 <= 33) m *= 2;
621 :
622 0 : abs1 = (c < 0) ? -c : c;
623 0 : abs2 = (d < 0) ? -d : d;
624 0 : n = (abs1 > abs2) ? abs1 : abs2;
625 0 : abs3 = abs1 - abs2;
626 0 : if (abs3 < 0) abs3 = -abs3;
627 0 : if (abs3 <= 33) n *= 2;
628 :
629 0 : for (i=0; i<np; i++) {
630 : F16Dot16 t;
631 : ControlPoint cp;
632 0 : cp.flags = nextComponent[i].flags;
633 0 : t = fixedMulDiv(a, nextComponent[i].x << 16, m) + fixedMulDiv(c, nextComponent[i].y << 16, m) + (e << 16);
634 0 : cp.x = (sal_Int16)(fixedMul(t, m) >> 16);
635 0 : t = fixedMulDiv(b, nextComponent[i].x << 16, n) + fixedMulDiv(d, nextComponent[i].y << 16, n) + (f << 16);
636 0 : cp.y = (sal_Int16)(fixedMul(t, n) >> 16);
637 :
638 0 : myPoints.push_back( cp );
639 : }
640 :
641 0 : free(nextComponent);
642 :
643 0 : } while (flags & MORE_COMPONENTS);
644 :
645 : // #i123417# some fonts like IFAOGrec have no outline points in some compound glyphs
646 : // so this unlikely but possible scenario should be handled gracefully
647 0 : if( myPoints.empty() )
648 0 : return 0;
649 :
650 0 : np = myPoints.size();
651 :
652 0 : pa = (ControlPoint*)calloc(np, sizeof(ControlPoint));
653 : assert(pa != 0);
654 :
655 0 : if (np > 0)
656 0 : memcpy( pa, &myPoints[0], np*sizeof(ControlPoint) );
657 :
658 0 : *pointArray = pa;
659 0 : return np;
660 : }
661 :
662 : /* NOTE: GetTTGlyphOutline() returns -1 if the glyphID is incorrect,
663 : * but Get{Simple|Compound}GlyphOutline returns 0 in such a case.
664 : *
665 : * NOTE: glyphlist is the stack of glyphs traversed while constructing
666 : * a composite glyph. This is a safequard against endless recursion
667 : * in corrupted fonts.
668 : */
669 0 : static int GetTTGlyphOutline(TrueTypeFont *ttf, sal_uInt32 glyphID, ControlPoint **pointArray, TTGlyphMetrics *metrics, std::vector< sal_uInt32 >* glyphlist)
670 : {
671 0 : const sal_uInt8 *table = getTable( ttf, O_glyf );
672 : sal_Int16 numberOfContours;
673 : int res;
674 0 : *pointArray = 0;
675 :
676 0 : if (metrics) {
677 0 : memset(metrics, 0, sizeof(TTGlyphMetrics)); /*- metrics is initialized to all zeroes */
678 : }
679 :
680 0 : if (glyphID >= ttf->nglyphs) return -1; /**/
681 :
682 0 : const sal_uInt8* ptr = table + ttf->goffsets[glyphID];
683 0 : int length = ttf->goffsets[glyphID+1] - ttf->goffsets[glyphID];
684 :
685 0 : if (length == 0) { /*- empty glyphs still have hmtx and vmtx metrics values */
686 0 : if (metrics) GetMetrics(ttf, glyphID, metrics);
687 0 : return 0;
688 : }
689 :
690 0 : numberOfContours = GetInt16(ptr, 0, 1);
691 :
692 0 : if (numberOfContours >= 0)
693 : {
694 0 : res=GetSimpleTTOutline(ttf, glyphID, pointArray, metrics);
695 : }
696 : else
697 : {
698 0 : std::vector< sal_uInt32 > aPrivList;
699 0 : aPrivList.push_back( glyphID );
700 0 : res = GetCompoundTTOutline(ttf, glyphID, pointArray, metrics, glyphlist ? *glyphlist : aPrivList );
701 : }
702 :
703 0 : return res;
704 : }
705 :
706 : #ifndef NO_TYPE3
707 :
708 : /*- returns the number of items in the path -*/
709 :
710 0 : static int BSplineToPSPath(ControlPoint *srcA, int srcCount, PSPathElement **path)
711 : {
712 0 : std::vector< PSPathElement > aPathList;
713 0 : int nPathCount = 0;
714 0 : PSPathElement p( PS_NOOP );
715 :
716 0 : int x0 = 0, y0 = 0, x1 = 0, y1 = 0, x2, y2, curx, cury;
717 0 : bool lastOff = false; /*- last point was off-contour */
718 0 : int scflag = 1; /*- start contour flag */
719 0 : bool ecflag = false; /*- end contour flag */
720 0 : int cp = 0; /*- current point */
721 0 : int StartContour = 0, EndContour = 1;
722 :
723 0 : *path = 0;
724 :
725 : /* if (srcCount > 0) for(;;) */
726 0 : while (srcCount > 0) { /*- srcCount does not get changed inside the loop. */
727 0 : if (scflag) {
728 0 : int l = cp;
729 0 : StartContour = cp;
730 0 : while (!(srcA[l].flags & 0x8000)) l++;
731 0 : EndContour = l;
732 0 : if (StartContour == EndContour) {
733 0 : if (cp + 1 < srcCount) {
734 0 : cp++;
735 0 : continue;
736 : } else {
737 0 : break;
738 : }
739 : }
740 0 : p = PSPathElement(PS_MOVETO);
741 0 : if (!(srcA[cp].flags & 1)) {
742 0 : if (!(srcA[EndContour].flags & 1)) {
743 0 : p.x1 = x0 = (srcA[cp].x + srcA[EndContour].x + 1) / 2;
744 0 : p.y1 = y0 = (srcA[cp].y + srcA[EndContour].y + 1) / 2;
745 : } else {
746 0 : p.x1 = x0 = srcA[EndContour].x;
747 0 : p.y1 = y0 = srcA[EndContour].y;
748 : }
749 : } else {
750 0 : p.x1 = x0 = srcA[cp].x;
751 0 : p.y1 = y0 = srcA[cp].y;
752 0 : cp++;
753 : }
754 0 : aPathList.push_back( p );
755 0 : lastOff = false;
756 0 : scflag = 0;
757 : }
758 :
759 0 : curx = srcA[cp].x;
760 0 : cury = srcA[cp].y;
761 :
762 0 : if (srcA[cp].flags & 1)
763 : {
764 0 : if (lastOff)
765 : {
766 0 : p = PSPathElement(PS_CURVETO);
767 0 : p.x1 = x0 + (2 * (x1 - x0) + 1) / 3;
768 0 : p.y1 = y0 + (2 * (y1 - y0) + 1) / 3;
769 0 : p.x2 = x1 + (curx - x1 + 1) / 3;
770 0 : p.y2 = y1 + (cury - y1 + 1) / 3;
771 0 : p.x3 = curx;
772 0 : p.y3 = cury;
773 0 : aPathList.push_back( p );
774 : }
775 : else
776 : {
777 0 : if (!(x0 == curx && y0 == cury))
778 : { /* eliminate empty lines */
779 0 : p = PSPathElement(PS_LINETO);
780 0 : p.x1 = curx;
781 0 : p.y1 = cury;
782 0 : aPathList.push_back( p );
783 : }
784 : }
785 0 : x0 = curx; y0 = cury; lastOff = false;
786 : }
787 : else
788 : {
789 0 : if (lastOff)
790 : {
791 0 : x2 = (x1 + curx + 1) / 2;
792 0 : y2 = (y1 + cury + 1) / 2;
793 0 : p = PSPathElement(PS_CURVETO);
794 0 : p.x1 = x0 + (2 * (x1 - x0) + 1) / 3;
795 0 : p.y1 = y0 + (2 * (y1 - y0) + 1) / 3;
796 0 : p.x2 = x1 + (x2 - x1 + 1) / 3;
797 0 : p.y2 = y1 + (y2 - y1 + 1) / 3;
798 0 : p.x3 = x2;
799 0 : p.y3 = y2;
800 0 : aPathList.push_back( p );
801 0 : x0 = x2; y0 = y2;
802 0 : x1 = curx; y1 = cury;
803 : } else {
804 0 : x1 = curx; y1 = cury;
805 : }
806 0 : lastOff = true;
807 : }
808 :
809 0 : if (ecflag) {
810 0 : aPathList.push_back( PSPathElement(PS_CLOSEPATH) );
811 0 : scflag = 1;
812 0 : ecflag = false;
813 0 : cp = EndContour + 1;
814 0 : if (cp >= srcCount) break;
815 0 : continue;
816 : }
817 :
818 0 : if (cp == EndContour) {
819 0 : cp = StartContour;
820 0 : ecflag = true;
821 : } else {
822 0 : cp++;
823 : }
824 : }
825 :
826 0 : if( (nPathCount = (int)aPathList.size()) > 0)
827 : {
828 0 : *path = (PSPathElement*)calloc(nPathCount, sizeof(PSPathElement));
829 : assert(*path != 0);
830 0 : memcpy( *path, &aPathList[0], nPathCount * sizeof(PSPathElement) );
831 : }
832 :
833 0 : return nPathCount;
834 : }
835 :
836 : #endif
837 :
838 : /*- Extracts a string from the name table and allocates memory for it -*/
839 :
840 24117 : static char *nameExtract( const sal_uInt8* name, int nTableSize, int n, int dbFlag, sal_uInt16** ucs2result )
841 : {
842 : char *res;
843 24117 : const sal_uInt8* ptr = name + GetUInt16(name, 4, 1) + GetUInt16(name + 6, 12 * n + 10, 1);
844 24117 : int len = GetUInt16(name+6, 12 * n + 8, 1);
845 :
846 : // sanity check
847 24117 : if( (len <= 0) || ((ptr+len) > (name+nTableSize)) )
848 : {
849 0 : if( ucs2result )
850 0 : *ucs2result = NULL;
851 0 : return NULL;
852 : }
853 :
854 24117 : if( ucs2result )
855 16078 : *ucs2result = NULL;
856 24117 : if (dbFlag) {
857 16078 : res = (char*)malloc(1 + len/2);
858 : assert(res != 0);
859 272757 : for (int i = 0; i < len/2; i++)
860 256679 : res[i] = *(ptr + i * 2 + 1);
861 16078 : res[len/2] = 0;
862 16078 : if( ucs2result )
863 : {
864 8039 : *ucs2result = (sal_uInt16*)malloc( len+2 );
865 124250 : for (int i = 0; i < len/2; i++ )
866 116211 : (*ucs2result)[i] = GetUInt16( ptr, 2*i, 1 );
867 8039 : (*ucs2result)[len/2] = 0;
868 : }
869 : } else {
870 8039 : res = (char*)malloc(1 + len);
871 : assert(res != 0);
872 8039 : memcpy(res, ptr, len);
873 8039 : res[len] = 0;
874 : }
875 :
876 24117 : return res;
877 : }
878 :
879 32156 : static int findname( const sal_uInt8 *name, sal_uInt16 n, sal_uInt16 platformID,
880 : sal_uInt16 encodingID, sal_uInt16 languageID, sal_uInt16 nameID )
881 : {
882 32156 : int l = 0, r = n-1, i;
883 : sal_uInt32 t1, t2;
884 : sal_uInt32 m1, m2;
885 :
886 32156 : if (n == 0) return -1;
887 :
888 32156 : m1 = (platformID << 16) | encodingID;
889 32156 : m2 = (languageID << 16) | nameID;
890 :
891 141660 : do {
892 141660 : i = (l + r) >> 1;
893 141660 : t1 = GetUInt32(name + 6, i * 12 + 0, 1);
894 141660 : t2 = GetUInt32(name + 6, i * 12 + 4, 1);
895 :
896 141660 : if (! ((m1 < t1) || ((m1 == t1) && (m2 < t2)))) l = i + 1;
897 141660 : if (! ((m1 > t1) || ((m1 == t1) && (m2 > t2)))) r = i - 1;
898 : } while (l <= r);
899 :
900 32156 : if (l - r == 2) {
901 24117 : return l - 1;
902 : }
903 :
904 8039 : return -1;
905 : }
906 :
907 : /* XXX marlett.ttf uses (3, 0, 1033) instead of (3, 1, 1033) and does not have any Apple tables.
908 : * Fix: if (3, 1, 1033) is not found - need to check for (3, 0, 1033)
909 : *
910 : * /d/fonts/ttzh_tw/Big5/Hanyi/ma6b5p uses (1, 0, 19) for English strings, instead of (1, 0, 0)
911 : * and does not have (3, 1, 1033)
912 : * Fix: if (1, 0, 0) and (3, 1, 1033) are not found need to look for (1, 0, *) - that will
913 : * require a change in algorithm
914 : *
915 : * /d/fonts/fdltest/Korean/h2drrm has unsorted names and a an unknown (to me) Mac LanguageID,
916 : * but (1, 0, 1042) strings usable
917 : * Fix: change algorithm, and use (1, 0, *) if both standard Mac and MS strings are not found
918 : */
919 :
920 8039 : static void GetNames(TrueTypeFont *t)
921 : {
922 8039 : const sal_uInt8* table = getTable( t, O_name );
923 8039 : int nTableSize = getTableSize(t, O_name);
924 :
925 8039 : if (nTableSize < 4)
926 : {
927 : #if OSL_DEBUG_LEVEL > 1
928 : fprintf(stderr, "O_name table too small\n");
929 : #endif
930 8039 : return;
931 : }
932 :
933 8039 : sal_uInt16 n = GetUInt16(table, 2, 1);
934 : int i, r;
935 8039 : bool bPSNameOK = true;
936 :
937 : /* #129743# simple sanity check for name table entry count */
938 8039 : if( nTableSize <= n * 12 + 6 )
939 0 : n = 0;
940 :
941 : /* PostScript name: preferred Microsoft */
942 8039 : t->psname = NULL;
943 8039 : if ((r = findname(table, n, 3, 1, 0x0409, 6)) != -1)
944 8039 : t->psname = nameExtract(table, nTableSize, r, 1, NULL);
945 8039 : if ( ! t->psname && (r = findname(table, n, 1, 0, 0, 6)) != -1)
946 0 : t->psname = nameExtract(table, nTableSize, r, 0, NULL);
947 8039 : if ( ! t->psname && (r = findname(table, n, 3, 0, 0x0409, 6)) != -1)
948 : {
949 : // some symbol fonts like Marlett have a 3,0 name!
950 0 : t->psname = nameExtract(table, nTableSize, r, 1, NULL);
951 : }
952 : // for embedded font in Ghostscript PDFs
953 8039 : if ( ! t->psname && (r = findname(table, n, 2, 2, 0, 6)) != -1)
954 : {
955 0 : t->psname = nameExtract(table, nTableSize, r, 0, NULL);
956 : }
957 8039 : if ( ! t->psname )
958 : {
959 0 : if ( t->fname )
960 : {
961 0 : char* pReverse = t->fname + strlen(t->fname);
962 : /* take only last token of filename */
963 0 : while(pReverse != t->fname && *pReverse != '/') pReverse--;
964 0 : if(*pReverse == '/') pReverse++;
965 0 : t->psname = strdup(pReverse);
966 : assert(t->psname != 0);
967 0 : for (i=strlen(t->psname) - 1; i > 0; i--)
968 : {
969 : /*- Remove the suffix -*/
970 0 : if (t->psname[i] == '.' ) {
971 0 : t->psname[i] = 0;
972 0 : break;
973 : }
974 : }
975 : }
976 : else
977 0 : t->psname = strdup( "Unknown" );
978 : }
979 :
980 : /* Font family and subfamily names: preferred Apple */
981 8039 : t->family = NULL;
982 8039 : if ((r = findname(table, n, 0, 0, 0, 1)) != -1)
983 0 : t->family = nameExtract(table, nTableSize, r, 1, &t->ufamily);
984 8039 : if ( ! t->family && (r = findname(table, n, 3, 1, 0x0409, 1)) != -1)
985 8039 : t->family = nameExtract(table, nTableSize, r, 1, &t->ufamily);
986 8039 : if ( ! t->family && (r = findname(table, n, 1, 0, 0, 1)) != -1)
987 0 : t->family = nameExtract(table, nTableSize, r, 0, NULL);
988 8039 : if ( ! t->family && (r = findname(table, n, 3, 1, 0x0411, 1)) != -1)
989 0 : t->family = nameExtract(table, nTableSize, r, 1, &t->ufamily);
990 8039 : if ( ! t->family && (r = findname(table, n, 3, 0, 0x0409, 1)) != -1)
991 0 : t->family = nameExtract(table, nTableSize, r, 1, &t->ufamily);
992 8039 : if ( ! t->family )
993 : {
994 0 : t->family = strdup(t->psname);
995 : assert(t->family != 0);
996 : }
997 :
998 8039 : t->subfamily = NULL;
999 8039 : t->usubfamily = NULL;
1000 8039 : if ((r = findname(table, n, 1, 0, 0, 2)) != -1)
1001 8039 : t->subfamily = nameExtract(table, nTableSize, r, 0, &t->usubfamily);
1002 8039 : if ( ! t->subfamily && (r = findname(table, n, 3, 1, 0x0409, 2)) != -1)
1003 0 : t->subfamily = nameExtract(table, nTableSize, r, 1, &t->usubfamily);
1004 8039 : if ( ! t->subfamily )
1005 : {
1006 0 : t->subfamily = strdup("");
1007 : }
1008 :
1009 : /* #i60349# sanity check psname
1010 : * psname parctically has to be 7bit ascii and should not contains spaces
1011 : * there is a class of broken fonts which do not fulfill that at all, so let's try
1012 : * if the family name is 7bit ascii and take it instead if so
1013 : */
1014 : /* check psname */
1015 148507 : for( i = 0; t->psname[i] != 0 && bPSNameOK; i++ )
1016 140468 : if( t->psname[ i ] < 33 || (t->psname[ i ] & 0x80) )
1017 0 : bPSNameOK = false;
1018 8039 : if( !bPSNameOK )
1019 : {
1020 0 : bool bReplace = true;
1021 : /* check if family is a suitable replacement */
1022 0 : if( t->ufamily && t->family )
1023 : {
1024 0 : for( i = 0; t->ufamily[ i ] != 0 && bReplace; i++ )
1025 0 : if( t->ufamily[ i ] < 33 || t->ufamily[ i ] > 127 )
1026 0 : bReplace = false;
1027 0 : if( bReplace )
1028 : {
1029 0 : free( t->psname );
1030 0 : t->psname = strdup( t->family );
1031 : }
1032 : }
1033 : }
1034 : }
1035 :
1036 : enum cmapType {
1037 : CMAP_NOT_USABLE = -1,
1038 : CMAP_MS_Symbol = 10,
1039 : CMAP_MS_Unicode = 11,
1040 : CMAP_MS_ShiftJIS = 12,
1041 : CMAP_MS_Big5 = 13,
1042 : CMAP_MS_PRC = 14,
1043 : CMAP_MS_Wansung = 15,
1044 : CMAP_MS_Johab = 16
1045 : };
1046 :
1047 : #define MISSING_GLYPH_INDEX 0
1048 :
1049 : /*
1050 : * getGlyph[0246]() functions and friends are implemented by:
1051 : * @author Manpreet Singh
1052 : * getGlyph12() function and friends by:
1053 : * @author HDU
1054 : */
1055 0 : static sal_uInt32 getGlyph0(const sal_uInt8* cmap, sal_uInt32 c) {
1056 0 : if (c <= 255) {
1057 0 : return *(cmap + 6 + c);
1058 : } else {
1059 0 : return MISSING_GLYPH_INDEX;
1060 : }
1061 : }
1062 :
1063 : typedef struct _subHeader2 {
1064 : sal_uInt16 firstCode;
1065 : sal_uInt16 entryCount;
1066 : sal_uInt16 idDelta;
1067 : sal_uInt16 idRangeOffset;
1068 : } subHeader2;
1069 :
1070 0 : static sal_uInt32 getGlyph2(const sal_uInt8 *cmap, sal_uInt32 c) {
1071 0 : sal_uInt16 *CMAP2 = (sal_uInt16 *) cmap;
1072 : sal_uInt8 theHighByte;
1073 :
1074 : sal_uInt8 theLowByte;
1075 : subHeader2* subHeader2s;
1076 : sal_uInt16* subHeader2Keys;
1077 : sal_uInt16 firstCode;
1078 : int k;
1079 : sal_uInt32 ToReturn;
1080 :
1081 0 : theHighByte = (sal_uInt8)((c >> 8) & 0x00ff);
1082 0 : theLowByte = (sal_uInt8)(c & 0x00ff);
1083 0 : subHeader2Keys = CMAP2 + 3;
1084 0 : subHeader2s = (subHeader2 *)(subHeader2Keys + 256);
1085 0 : k = Int16FromMOTA(subHeader2Keys[theHighByte]) / 8;
1086 :
1087 0 : if(k == 0) {
1088 0 : firstCode = Int16FromMOTA(subHeader2s[k].firstCode);
1089 0 : if(theLowByte >= firstCode && theLowByte < (firstCode + Int16FromMOTA(subHeader2s[k].entryCount))) {
1090 : return *((&(subHeader2s[0].idRangeOffset))
1091 0 : + (Int16FromMOTA(subHeader2s[0].idRangeOffset)/2) /* + offset */
1092 0 : + theLowByte /* + to_look */
1093 0 : - Int16FromMOTA(subHeader2s[0].firstCode)
1094 0 : );
1095 : } else {
1096 0 : return MISSING_GLYPH_INDEX;
1097 : }
1098 0 : } else if (k > 0) {
1099 0 : firstCode = Int16FromMOTA(subHeader2s[k].firstCode);
1100 0 : if(theLowByte >= firstCode && theLowByte < (firstCode + Int16FromMOTA(subHeader2s[k].entryCount))) {
1101 0 : ToReturn = *((&(subHeader2s[k].idRangeOffset))
1102 0 : + (Int16FromMOTA(subHeader2s[k].idRangeOffset)/2)
1103 0 : + theLowByte - firstCode);
1104 0 : if(ToReturn == 0) {
1105 0 : return MISSING_GLYPH_INDEX;
1106 : } else {
1107 0 : ToReturn += Int16FromMOTA(subHeader2s[k].idDelta);
1108 0 : return (ToReturn & 0xFFFF);
1109 : }
1110 : } else {
1111 0 : return MISSING_GLYPH_INDEX;
1112 : }
1113 : } else {
1114 0 : return MISSING_GLYPH_INDEX;
1115 : }
1116 : }
1117 :
1118 0 : static sal_uInt32 getGlyph6(const sal_uInt8 *cmap, sal_uInt32 c) {
1119 : sal_uInt16 firstCode, lastCode, count;
1120 0 : sal_uInt16 *CMAP6 = (sal_uInt16 *) cmap;
1121 :
1122 0 : firstCode = Int16FromMOTA(*(CMAP6 + 3));
1123 0 : count = Int16FromMOTA(*(CMAP6 + 4));
1124 0 : lastCode = firstCode + count - 1;
1125 0 : if (c < firstCode || c > lastCode) {
1126 0 : return MISSING_GLYPH_INDEX;
1127 : } else {
1128 0 : return *((CMAP6 + 5)/*glyphIdArray*/ + (c - firstCode));
1129 : }
1130 : }
1131 :
1132 0 : static sal_uInt16 GEbinsearch(sal_uInt16 *ar, sal_uInt16 length, sal_uInt16 toSearch) {
1133 0 : signed int low, mid, high, lastfound = 0xffff;
1134 : sal_uInt16 res;
1135 0 : if(length == (sal_uInt16)0 || length == (sal_uInt16)0xFFFF) {
1136 0 : return (sal_uInt16)0xFFFF;
1137 : }
1138 0 : low = 0;
1139 0 : high = length - 1;
1140 0 : while(high >= low) {
1141 0 : mid = (high + low)/2;
1142 0 : res = Int16FromMOTA(*(ar+mid));
1143 0 : if(res >= toSearch) {
1144 0 : lastfound = mid;
1145 0 : high = --mid;
1146 : } else {
1147 0 : low = ++mid;
1148 : }
1149 : }
1150 0 : return (sal_uInt16)lastfound;
1151 : }
1152 :
1153 0 : static sal_uInt32 getGlyph4(const sal_uInt8 *cmap, sal_uInt32 c) {
1154 : sal_uInt16 i;
1155 : int ToReturn;
1156 : sal_uInt16 segCount;
1157 : sal_uInt16 * startCode;
1158 : sal_uInt16 * endCode;
1159 : sal_uInt16 * idDelta;
1160 : /* sal_uInt16 * glyphIdArray; */
1161 : sal_uInt16 * idRangeOffset;
1162 : /*sal_uInt16 * glyphIndexArray;*/
1163 0 : sal_uInt16 *CMAP4 = (sal_uInt16 *) cmap;
1164 : /* sal_uInt16 GEbinsearch(sal_uInt16 *ar, sal_uInt16 length, sal_uInt16 toSearch); */
1165 :
1166 0 : segCount = Int16FromMOTA(*(CMAP4 + 3))/2;
1167 0 : endCode = CMAP4 + 7;
1168 0 : i = GEbinsearch(endCode, segCount, (sal_uInt16)c);
1169 :
1170 0 : if (i == (sal_uInt16) 0xFFFF) {
1171 0 : return MISSING_GLYPH_INDEX;
1172 : }
1173 0 : startCode = endCode + segCount + 1;
1174 :
1175 0 : if(Int16FromMOTA(startCode[i]) > c) {
1176 0 : return MISSING_GLYPH_INDEX;
1177 : }
1178 0 : idDelta = startCode + segCount;
1179 0 : idRangeOffset = idDelta + segCount;
1180 : /*glyphIndexArray = idRangeOffset + segCount;*/
1181 :
1182 0 : if(Int16FromMOTA(idRangeOffset[i]) != 0) {
1183 0 : c = Int16FromMOTA(*(&(idRangeOffset[i]) + (Int16FromMOTA(idRangeOffset[i])/2 + (c - Int16FromMOTA(startCode[i])))));
1184 : }
1185 :
1186 0 : ToReturn = (Int16FromMOTA(idDelta[i]) + c) & 0xFFFF;
1187 0 : return ToReturn;
1188 : }
1189 :
1190 0 : static sal_uInt32 getGlyph12(const sal_uInt8 *pCmap, sal_uInt32 cChar) {
1191 0 : const sal_uInt32* pCMAP12 = (const sal_uInt32*)pCmap;
1192 0 : int nLength = Int32FromMOTA( pCMAP12[1] );
1193 0 : int nGroups = Int32FromMOTA( pCMAP12[3] );
1194 0 : int nLower = 0;
1195 0 : int nUpper = nGroups;
1196 :
1197 0 : if( nUpper > (nLength-16)/12 )
1198 0 : nUpper = (nLength-16)/12;
1199 :
1200 : /* binary search in "segmented coverage" subtable */
1201 0 : while( nLower < nUpper ) {
1202 0 : int nIndex = (nLower + nUpper) / 2;
1203 0 : const sal_uInt32* pEntry = &pCMAP12[ 4 + 3*nIndex ];
1204 0 : sal_uInt32 cStart = Int32FromMOTA( pEntry[0] );
1205 0 : sal_uInt32 cLast = Int32FromMOTA( pEntry[1] );
1206 0 : if( cChar < cStart )
1207 0 : nUpper = nIndex;
1208 0 : else if( cChar > cLast )
1209 0 : nLower = nIndex + 1;
1210 : else { /* found matching entry! */
1211 0 : sal_uInt32 nGlyph = Int32FromMOTA( pEntry[2] );
1212 0 : nGlyph += cChar - cStart;
1213 0 : return nGlyph;
1214 : }
1215 : }
1216 :
1217 0 : return MISSING_GLYPH_INDEX;
1218 : }
1219 :
1220 8039 : static void FindCmap(TrueTypeFont *ttf)
1221 : {
1222 8039 : const sal_uInt8* table = getTable(ttf, O_cmap);
1223 8039 : sal_uInt32 table_size = getTableSize(ttf, O_cmap);
1224 8039 : sal_uInt16 ncmaps = GetUInt16(table, 2, 1);
1225 : unsigned int i;
1226 8039 : sal_uInt32 AppleUni = 0; // Apple Unicode
1227 8039 : sal_uInt32 ThreeZero = 0; /* MS Symbol */
1228 8039 : sal_uInt32 ThreeOne = 0; /* MS UCS-2 */
1229 8039 : sal_uInt32 ThreeTwo = 0; /* MS ShiftJIS */
1230 8039 : sal_uInt32 ThreeThree = 0; /* MS Big5 */
1231 8039 : sal_uInt32 ThreeFour = 0; /* MS PRC */
1232 8039 : sal_uInt32 ThreeFive = 0; /* MS Wansung */
1233 8039 : sal_uInt32 ThreeSix = 0; /* MS Johab */
1234 :
1235 34996 : for (i = 0; i < ncmaps; i++) {
1236 : /* sanity check, cmap entry must lie within table */
1237 26957 : sal_uInt32 nLargestFixedOffsetPos = 8 + i * 8;
1238 26957 : sal_uInt32 nMinSize = nLargestFixedOffsetPos + sizeof(sal_uInt32);
1239 26957 : if (nMinSize > table_size)
1240 : {
1241 : SAL_WARN( "vcl.fonts", "Font " << OUString::createFromAscii(ttf->fname) << " claimed to have "
1242 : << ncmaps << " cmaps, but only space for " << i);
1243 0 : break;
1244 : }
1245 :
1246 26957 : sal_uInt16 pID = GetUInt16(table, 4 + i * 8, 1);
1247 26957 : sal_uInt16 eID = GetUInt16(table, 6 + i * 8, 1);
1248 26957 : sal_uInt32 offset = GetUInt32(table, nLargestFixedOffsetPos, 1);
1249 :
1250 : /* sanity check, cmap must lie within file */
1251 26957 : if( (table - ttf->ptr) + offset > (sal_uInt32)ttf->fsize )
1252 0 : continue;
1253 :
1254 : /* Unicode tables in Apple fonts */
1255 26957 : if (pID == 0) {
1256 9495 : AppleUni = offset;
1257 : }
1258 :
1259 26957 : if (pID == 3) {
1260 10287 : switch (eID) {
1261 0 : case 0: ThreeZero = offset; break;
1262 : case 10: // UCS-4
1263 10287 : case 1: ThreeOne = offset; break;
1264 0 : case 2: ThreeTwo = offset; break;
1265 0 : case 3: ThreeThree = offset; break;
1266 0 : case 4: ThreeFour = offset; break;
1267 0 : case 5: ThreeFive = offset; break;
1268 0 : case 6: ThreeSix = offset; break;
1269 : }
1270 : }
1271 : }
1272 :
1273 : // fall back to AppleUnicode if there are no ThreeOne/Threezero tables
1274 8039 : if( AppleUni && !ThreeZero && !ThreeOne)
1275 0 : ThreeOne = AppleUni;
1276 :
1277 8039 : if (ThreeOne) {
1278 8039 : ttf->cmapType = CMAP_MS_Unicode;
1279 8039 : ttf->cmap = table + ThreeOne;
1280 0 : } else if (ThreeTwo) {
1281 0 : ttf->cmapType = CMAP_MS_ShiftJIS;
1282 0 : ttf->cmap = table + ThreeTwo;
1283 0 : } else if (ThreeThree) {
1284 0 : ttf->cmapType = CMAP_MS_Big5;
1285 0 : ttf->cmap = table + ThreeThree;
1286 0 : } else if (ThreeFour) {
1287 0 : ttf->cmapType = CMAP_MS_PRC;
1288 0 : ttf->cmap = table + ThreeFour;
1289 0 : } else if (ThreeFive) {
1290 0 : ttf->cmapType = CMAP_MS_Wansung;
1291 0 : ttf->cmap = table + ThreeFive;
1292 0 : } else if (ThreeSix) {
1293 0 : ttf->cmapType = CMAP_MS_Johab;
1294 0 : ttf->cmap = table + ThreeSix;
1295 0 : } else if (ThreeZero) {
1296 0 : ttf->cmapType = CMAP_MS_Symbol;
1297 0 : ttf->cmap = table + ThreeZero;
1298 : } else {
1299 0 : ttf->cmapType = CMAP_NOT_USABLE;
1300 0 : ttf->cmap = 0;
1301 : }
1302 :
1303 8039 : if (ttf->cmapType != CMAP_NOT_USABLE) {
1304 8039 : switch (GetUInt16(ttf->cmap, 0, 1)) {
1305 0 : case 0: ttf->mapper = getGlyph0; break;
1306 0 : case 2: ttf->mapper = getGlyph2; break;
1307 5791 : case 4: ttf->mapper = getGlyph4; break;
1308 0 : case 6: ttf->mapper = getGlyph6; break;
1309 2248 : case 12: ttf->mapper= getGlyph12; break;
1310 : default:
1311 : #if OSL_DEBUG_LEVEL > 1
1312 : /*- if the cmap table is really broken */
1313 : printf("%s: %d is not a recognized cmap format.\n", ttf->fname, GetUInt16(ttf->cmap, 0, 1));
1314 : #endif
1315 0 : ttf->cmapType = CMAP_NOT_USABLE;
1316 0 : ttf->cmap = 0;
1317 0 : ttf->mapper = 0;
1318 : }
1319 : }
1320 8039 : }
1321 :
1322 8039 : static void GetKern(TrueTypeFont *ttf)
1323 : {
1324 8039 : const sal_uInt8* table = getTable(ttf, O_kern);
1325 : const sal_uInt8 *ptr;
1326 :
1327 8039 : if( !table )
1328 4344 : goto badtable;
1329 :
1330 3695 : if (GetUInt16(table, 0, 1) == 0) { /* Traditional Microsoft style table with sal_uInt16 version and nTables fields */
1331 3695 : ttf->nkern = GetUInt16(table, 2, 1);
1332 3695 : ttf->kerntables = (const sal_uInt8**)calloc(ttf->nkern, sizeof(sal_uInt8 *));
1333 : assert(ttf->kerntables != 0);
1334 3695 : ttf->kerntype = KT_MICROSOFT;
1335 3695 : ptr = table + 4;
1336 7606 : for( unsigned i = 0; i < ttf->nkern; ++i) {
1337 3911 : ttf->kerntables[i] = ptr;
1338 3911 : ptr += GetUInt16(ptr, 2, 1);
1339 : /* sanity check */
1340 3911 : if( ptr > ttf->ptr+ttf->fsize )
1341 : {
1342 0 : free( ttf->kerntables );
1343 0 : goto badtable;
1344 : }
1345 : }
1346 3695 : return;
1347 : }
1348 :
1349 0 : if (GetUInt32(table, 0, 1) == 0x00010000) { /* MacOS style kern tables: fixed32 version and sal_uInt32 nTables fields */
1350 0 : ttf->nkern = GetUInt32(table, 4, 1);
1351 0 : ttf->kerntables = (const sal_uInt8**)calloc(ttf->nkern, sizeof(sal_uInt8 *));
1352 : assert(ttf->kerntables != 0);
1353 0 : ttf->kerntype = KT_APPLE_NEW;
1354 0 : ptr = table + 8;
1355 0 : for( unsigned i = 0; i < ttf->nkern; ++i) {
1356 0 : ttf->kerntables[i] = ptr;
1357 0 : ptr += GetUInt32(ptr, 0, 1);
1358 : /* sanity check; there are some fonts that are broken in this regard */
1359 0 : if( ptr > ttf->ptr+ttf->fsize )
1360 : {
1361 0 : free( ttf->kerntables );
1362 0 : goto badtable;
1363 : }
1364 : }
1365 0 : return;
1366 : }
1367 :
1368 : badtable:
1369 4344 : ttf->kerntype = KT_NONE;
1370 4344 : ttf->kerntables = 0;
1371 :
1372 4344 : return;
1373 : }
1374 :
1375 : /*- Public functions */
1376 :
1377 7560 : int CountTTCFonts(const char* fname)
1378 : {
1379 7560 : int nFonts = 0;
1380 : sal_uInt8 buffer[12];
1381 7560 : FILE* fd = fopen(fname, "rb");
1382 7560 : if( fd ) {
1383 7560 : if (fread(buffer, 1, 12, fd) == 12) {
1384 7560 : if(GetUInt32(buffer, 0, 1) == T_ttcf )
1385 0 : nFonts = GetUInt32(buffer, 8, 1);
1386 : }
1387 7560 : fclose(fd);
1388 : }
1389 7560 : return nFonts;
1390 : }
1391 :
1392 8039 : static void allocTrueTypeFont( TrueTypeFont** ttf )
1393 : {
1394 8039 : *ttf = (TrueTypeFont*)calloc(1,sizeof(TrueTypeFont));
1395 8039 : if( *ttf != NULL )
1396 : {
1397 8039 : (*ttf)->tag = 0;
1398 8039 : (*ttf)->fname = 0;
1399 8039 : (*ttf)->fsize = -1;
1400 8039 : (*ttf)->ptr = 0;
1401 8039 : (*ttf)->nglyphs = 0xFFFFFFFF;
1402 8039 : (*ttf)->pGSubstitution = 0;
1403 : }
1404 8039 : }
1405 :
1406 : /* forward declariotn for the two entry points to use*/
1407 : static int doOpenTTFont( sal_uInt32 facenum, TrueTypeFont* t );
1408 :
1409 : #if !defined(WIN32)
1410 8039 : int OpenTTFontFile( const char* fname, sal_uInt32 facenum, TrueTypeFont** ttf )
1411 : {
1412 8039 : int ret, fd = -1;
1413 : struct stat st;
1414 :
1415 8039 : if (!fname || !*fname) return SF_BADFILE;
1416 :
1417 8039 : allocTrueTypeFont( ttf );
1418 8039 : if( ! *ttf )
1419 0 : return SF_MEMORY;
1420 :
1421 8039 : (*ttf)->fname = strdup(fname);
1422 8039 : if( ! (*ttf)->fname )
1423 : {
1424 0 : ret = SF_MEMORY;
1425 0 : goto cleanup;
1426 : }
1427 :
1428 8039 : fd = open(fname, O_RDONLY);
1429 :
1430 8039 : if (fd == -1) {
1431 0 : ret = SF_BADFILE;
1432 0 : goto cleanup;
1433 : }
1434 :
1435 8039 : if (fstat(fd, &st) == -1) {
1436 0 : ret = SF_FILEIO;
1437 0 : goto cleanup;
1438 : }
1439 :
1440 8039 : (*ttf)->fsize = st.st_size;
1441 :
1442 : /* On Mac OS, most likely will happen if a Mac user renames a font file
1443 : * to be .ttf when its really a Mac resource-based font.
1444 : * Size will be 0, but fonts smaller than 4 bytes would be broken anyway.
1445 : */
1446 8039 : if ((*ttf)->fsize == 0) {
1447 0 : ret = SF_BADFILE;
1448 0 : goto cleanup;
1449 : }
1450 :
1451 8039 : if (((*ttf)->ptr = (sal_uInt8 *) mmap(0, (*ttf)->fsize, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) {
1452 0 : ret = SF_MEMORY;
1453 0 : goto cleanup;
1454 : }
1455 8039 : close(fd);
1456 :
1457 8039 : return doOpenTTFont( facenum, *ttf );
1458 :
1459 : cleanup:
1460 0 : if (fd != -1) close(fd);
1461 : /*- t and t->fname have been allocated! */
1462 0 : free((*ttf)->fname);
1463 0 : free(*ttf);
1464 0 : *ttf = NULL;
1465 0 : return ret;
1466 : }
1467 : #endif
1468 :
1469 0 : int OpenTTFontBuffer(const void* pBuffer, sal_uInt32 nLen, sal_uInt32 facenum, TrueTypeFont** ttf)
1470 : {
1471 0 : allocTrueTypeFont( ttf );
1472 0 : if( *ttf == NULL )
1473 0 : return SF_MEMORY;
1474 :
1475 0 : (*ttf)->fname = NULL;
1476 0 : (*ttf)->fsize = nLen;
1477 0 : (*ttf)->ptr = (sal_uInt8*)pBuffer;
1478 :
1479 0 : return doOpenTTFont( facenum, *ttf );
1480 : }
1481 :
1482 8039 : static int doOpenTTFont( sal_uInt32 facenum, TrueTypeFont* t )
1483 : {
1484 : int i;
1485 : sal_uInt32 length, tag;
1486 8039 : sal_uInt32 tdoffset = 0; /* offset to TableDirectory in a TTC file. For TTF files is 0 */
1487 : int indexfmt;
1488 :
1489 8039 : sal_uInt32 TTCTag = GetInt32(t->ptr, 0, 1);
1490 :
1491 8039 : if ((TTCTag == 0x00010000) || (TTCTag == T_true)) {
1492 8039 : tdoffset = 0;
1493 0 : } else if (TTCTag == T_otto) { /* PS-OpenType font */
1494 0 : tdoffset = 0;
1495 0 : } else if (TTCTag == T_ttcf) { /* TrueType collection */
1496 0 : sal_uInt32 Version = GetUInt32(t->ptr, 4, 1);
1497 0 : if (Version != 0x00010000 && Version != 0x00020000) {
1498 0 : CloseTTFont(t);
1499 0 : return SF_TTFORMAT;
1500 : }
1501 0 : if (facenum >= GetUInt32(t->ptr, 8, 1)) {
1502 0 : CloseTTFont(t);
1503 0 : return SF_FONTNO;
1504 : }
1505 0 : tdoffset = GetUInt32(t->ptr, 12 + 4 * facenum, 1);
1506 : } else {
1507 0 : CloseTTFont(t);
1508 0 : return SF_TTFORMAT;
1509 : }
1510 :
1511 : /* magic number */
1512 8039 : t->tag = TTFontClassTag;
1513 :
1514 8039 : t->ntables = GetUInt16(t->ptr + tdoffset, 4, 1);
1515 8039 : if( t->ntables >= 128 )
1516 0 : return SF_TTFORMAT;
1517 :
1518 8039 : t->tables = (const sal_uInt8**)calloc(NUM_TAGS, sizeof(sal_uInt8 *));
1519 : assert(t->tables != 0);
1520 8039 : t->tlens = (sal_uInt32*)calloc(NUM_TAGS, sizeof(sal_uInt32));
1521 : assert(t->tlens != 0);
1522 :
1523 : /* parse the tables */
1524 159958 : for (i=0; i<(int)t->ntables; i++) {
1525 : int nIndex;
1526 151919 : tag = GetUInt32(t->ptr + tdoffset + 12, 16 * i, 1);
1527 151919 : switch( tag ) {
1528 8039 : case T_maxp: nIndex = O_maxp; break;
1529 8039 : case T_glyf: nIndex = O_glyf; break;
1530 8039 : case T_head: nIndex = O_head; break;
1531 8039 : case T_loca: nIndex = O_loca; break;
1532 8039 : case T_name: nIndex = O_name; break;
1533 8039 : case T_hhea: nIndex = O_hhea; break;
1534 8039 : case T_hmtx: nIndex = O_hmtx; break;
1535 8039 : case T_cmap: nIndex = O_cmap; break;
1536 0 : case T_vhea: nIndex = O_vhea; break;
1537 0 : case T_vmtx: nIndex = O_vmtx; break;
1538 8039 : case T_OS2 : nIndex = O_OS2; break;
1539 8039 : case T_post: nIndex = O_post; break;
1540 3695 : case T_kern: nIndex = O_kern; break;
1541 7607 : case T_cvt : nIndex = O_cvt; break;
1542 7463 : case T_prep: nIndex = O_prep; break;
1543 7463 : case T_fpgm: nIndex = O_fpgm; break;
1544 7391 : case T_gsub: nIndex = O_gsub; break;
1545 0 : case T_CFF: nIndex = O_CFF; break;
1546 37910 : default: nIndex = -1; break;
1547 : }
1548 151919 : if( nIndex >= 0 ) {
1549 114009 : sal_uInt32 nTableOffset = GetUInt32(t->ptr + tdoffset + 12, 16 * i + 8, 1);
1550 114009 : length = GetUInt32(t->ptr + tdoffset + 12, 16 * i + 12, 1);
1551 114009 : t->tables[nIndex] = t->ptr + nTableOffset;
1552 114009 : t->tlens[nIndex] = length;
1553 : }
1554 : }
1555 :
1556 : /* Fixup offsets when only a TTC extract was provided */
1557 8039 : if( facenum == (sal_uInt32)~0 ) {
1558 0 : sal_uInt8* pHead = (sal_uInt8*)t->tables[O_head];
1559 0 : if( !pHead )
1560 0 : return SF_TTFORMAT;
1561 : /* limit Head candidate to TTC extract's limits */
1562 0 : if( pHead > t->ptr + (t->fsize - 54) )
1563 0 : pHead = t->ptr + (t->fsize - 54);
1564 : /* TODO: find better method than searching head table's magic */
1565 0 : sal_uInt8* p = NULL;
1566 0 : for( p = pHead + 12; p > t->ptr; --p ) {
1567 0 : if( p[0]==0x5F && p[1]==0x0F && p[2]==0x3C && p[3]==0xF5 ) {
1568 0 : int nDelta = (pHead + 12) - p;
1569 0 : if( nDelta )
1570 0 : for( int j = 0; j < NUM_TAGS; ++j )
1571 0 : if( t->tables[j] )
1572 0 : *(char**)&t->tables[j] -= nDelta;
1573 0 : break;
1574 : }
1575 : }
1576 0 : if( p <= t->ptr )
1577 0 : return SF_TTFORMAT;
1578 : }
1579 :
1580 : /* Check the table offsets after TTC correction */
1581 152741 : for (i=0; i<NUM_TAGS; i++) {
1582 : /* sanity check: table must lay completely within the file
1583 : * at this point one could check the checksum of all contained
1584 : * tables, but this would be quite time intensive.
1585 : * Try to fix tables, so we can cope with minor problems.
1586 : */
1587 :
1588 144702 : if( (sal_uInt8*)t->tables[i] < t->ptr )
1589 : {
1590 : #if OSL_DEBUG_LEVEL > 1
1591 : if( t->tables[i] )
1592 : fprintf( stderr, "font file %s has bad table offset %" SAL_PRI_PTRDIFFT "d (tagnum=%d)\n", t->fname, (sal_uInt8*)t->tables[i]-t->ptr, i );
1593 : #endif
1594 30693 : t->tlens[i] = 0;
1595 30693 : t->tables[i] = NULL;
1596 : }
1597 114009 : else if( (sal_uInt8*)t->tables[i] + t->tlens[i] > t->ptr + t->fsize )
1598 : {
1599 0 : int nMaxLen = (t->ptr + t->fsize) - (sal_uInt8*)t->tables[i];
1600 0 : if( nMaxLen < 0 )
1601 0 : nMaxLen = 0;
1602 0 : t->tlens[i] = nMaxLen;
1603 : #if OSL_DEBUG_LEVEL > 1
1604 : fprintf( stderr, "font file %s has too big table (tagnum=%d)\n", t->fname, i );
1605 : #endif
1606 : }
1607 : }
1608 :
1609 : /* At this point TrueTypeFont is constructed, now need to verify the font format
1610 : and read the basic font properties */
1611 :
1612 : /* The following tables are absolutely required:
1613 : * maxp, head, name, cmap
1614 : */
1615 :
1616 8039 : if( !(getTable(t, O_maxp) && getTable(t, O_head) && getTable(t, O_name) && getTable(t, O_cmap)) ) {
1617 0 : CloseTTFont(t);
1618 0 : return SF_TTFORMAT;
1619 : }
1620 :
1621 8039 : const sal_uInt8* table = getTable(t, O_maxp);
1622 8039 : t->nglyphs = GetUInt16(table, 4, 1);
1623 :
1624 8039 : table = getTable(t, O_head);
1625 8039 : t->unitsPerEm = GetUInt16(table, 18, 1);
1626 8039 : indexfmt = GetInt16(table, 50, 1);
1627 :
1628 8039 : if( ((indexfmt != 0) && (indexfmt != 1)) || (t->unitsPerEm <= 0) ) {
1629 0 : CloseTTFont(t);
1630 0 : return SF_TTFORMAT;
1631 : }
1632 :
1633 8039 : if( getTable(t, O_glyf) && getTable(t, O_loca) ) /* TTF or TTF-OpenType */
1634 : {
1635 8039 : int k = (getTableSize(t, O_loca) / (indexfmt ? 4 : 2)) - 1;
1636 8039 : if( k < (int)t->nglyphs ) /* Hack for broken Chinese fonts */
1637 0 : t->nglyphs = k;
1638 :
1639 8039 : table = getTable(t, O_loca);
1640 8039 : t->goffsets = (sal_uInt32 *) calloc(1+t->nglyphs, sizeof(sal_uInt32));
1641 : assert(t->goffsets != 0);
1642 :
1643 15169383 : for( i = 0; i <= (int)t->nglyphs; ++i )
1644 15161344 : t->goffsets[i] = indexfmt ? GetUInt32(table, i << 2, 1) : (sal_uInt32)GetUInt16(table, i << 1, 1) << 1;
1645 0 : } else if( getTable(t, O_CFF) ) { /* PS-OpenType */
1646 0 : t->goffsets = (sal_uInt32 *) calloc(1+t->nglyphs, sizeof(sal_uInt32));
1647 : /* TODO: implement to get subsetting */
1648 : assert(t->goffsets != 0);
1649 : } else {
1650 0 : CloseTTFont(t);
1651 0 : return SF_TTFORMAT;
1652 : }
1653 :
1654 8039 : table = getTable(t, O_hhea);
1655 8039 : t->numberOfHMetrics = (table != 0) ? GetUInt16(table, 34, 1) : 0;
1656 :
1657 8039 : table = getTable(t, O_vhea);
1658 8039 : t->numOfLongVerMetrics = (table != 0) ? GetUInt16(table, 34, 1) : 0;
1659 :
1660 8039 : GetNames(t);
1661 8039 : FindCmap(t);
1662 8039 : GetKern(t);
1663 8039 : ReadGSUB( t, 0, 0 );
1664 :
1665 8039 : return SF_OK;
1666 : }
1667 :
1668 8039 : void CloseTTFont(TrueTypeFont *ttf)
1669 : {
1670 : #if !defined(WIN32)
1671 8039 : if( ttf->fname )
1672 8039 : munmap((char *) ttf->ptr, ttf->fsize);
1673 : #endif
1674 8039 : free(ttf->fname);
1675 8039 : free(ttf->goffsets);
1676 8039 : free(ttf->psname);
1677 8039 : free(ttf->family);
1678 8039 : if( ttf->ufamily )
1679 8039 : free( ttf->ufamily );
1680 8039 : free(ttf->subfamily);
1681 8039 : if( ttf->usubfamily )
1682 0 : free( ttf->usubfamily );
1683 8039 : free(ttf->tables);
1684 8039 : free(ttf->tlens);
1685 8039 : free(ttf->kerntables);
1686 :
1687 8039 : ReleaseGSUB(ttf);
1688 :
1689 8039 : free(ttf);
1690 8039 : return;
1691 : }
1692 :
1693 0 : int GetTTGlyphPoints(TrueTypeFont *ttf, sal_uInt32 glyphID, ControlPoint **pointArray)
1694 : {
1695 0 : return GetTTGlyphOutline(ttf, glyphID, pointArray, 0, 0);
1696 : }
1697 :
1698 0 : int GetTTGlyphComponents(TrueTypeFont *ttf, sal_uInt32 glyphID, std::vector< sal_uInt32 >& glyphlist)
1699 : {
1700 0 : int n = 1;
1701 :
1702 0 : if( glyphID >= ttf->nglyphs )
1703 0 : return 0;
1704 :
1705 0 : const sal_uInt8* glyf = getTable(ttf, O_glyf);
1706 0 : const sal_uInt8* ptr = glyf + ttf->goffsets[glyphID];
1707 :
1708 0 : glyphlist.push_back( glyphID );
1709 :
1710 0 : if (GetInt16(ptr, 0, 1) == -1) {
1711 : sal_uInt16 flags, index;
1712 0 : ptr += 10;
1713 0 : do {
1714 0 : flags = GetUInt16(ptr, 0, 1);
1715 0 : index = GetUInt16(ptr, 2, 1);
1716 :
1717 0 : ptr += 4;
1718 0 : n += GetTTGlyphComponents(ttf, index, glyphlist);
1719 :
1720 0 : if (flags & ARG_1_AND_2_ARE_WORDS) {
1721 0 : ptr += 4;
1722 : } else {
1723 0 : ptr += 2;
1724 : }
1725 :
1726 0 : if (flags & WE_HAVE_A_SCALE) {
1727 0 : ptr += 2;
1728 0 : } else if (flags & WE_HAVE_AN_X_AND_Y_SCALE) {
1729 0 : ptr += 4;
1730 0 : } else if (flags & WE_HAVE_A_TWO_BY_TWO) {
1731 0 : ptr += 8;
1732 : }
1733 0 : } while (flags & MORE_COMPONENTS);
1734 : }
1735 :
1736 0 : return n;
1737 : }
1738 :
1739 : #ifndef NO_TYPE3
1740 0 : int CreateT3FromTTGlyphs(TrueTypeFont *ttf, FILE *outf, const char *fname,
1741 : sal_uInt16 *glyphArray, sal_uInt8 *encoding, int nGlyphs,
1742 : int wmode)
1743 : {
1744 : ControlPoint *pa;
1745 : PSPathElement *path;
1746 : int i, j, r, n;
1747 0 : const sal_uInt8* table = getTable(ttf, O_head);
1748 : TTGlyphMetrics metrics;
1749 0 : int UPEm = ttf->unitsPerEm;
1750 :
1751 0 : const char *h01 = "%%!PS-AdobeFont-%d.%d-%d.%d\n";
1752 0 : const char *h02 = "%% Creator: %s %s %s\n";
1753 0 : const char *h09 = "%% Original font name: %s\n";
1754 :
1755 : const char *h10 =
1756 : "30 dict begin\n"
1757 : "/PaintType 0 def\n"
1758 : "/FontType 3 def\n"
1759 0 : "/StrokeWidth 0 def\n";
1760 :
1761 0 : const char *h11 = "/FontName (%s) cvn def\n";
1762 :
1763 : /*
1764 : const char *h12 = "%/UniqueID %d def\n";
1765 : */
1766 0 : const char *h13 = "/FontMatrix [.001 0 0 .001 0 0] def\n";
1767 0 : const char *h14 = "/FontBBox [%d %d %d %d] def\n";
1768 :
1769 : const char *h15=
1770 : "/Encoding 256 array def\n"
1771 0 : " 0 1 255 {Encoding exch /.notdef put} for\n";
1772 :
1773 0 : const char *h16 = " Encoding %d /glyph%d put\n";
1774 0 : const char *h17 = "/XUID [103 0 0 16#%08X %d 16#%08X 16#%08X] def\n";
1775 :
1776 0 : const char *h30 = "/CharProcs %d dict def\n";
1777 0 : const char *h31 = " CharProcs begin\n";
1778 0 : const char *h32 = " /.notdef {} def\n";
1779 0 : const char *h33 = " /glyph%d {\n";
1780 0 : const char *h34 = " } bind def\n";
1781 0 : const char *h35 = " end\n";
1782 :
1783 : const char *h40 =
1784 : "/BuildGlyph {\n"
1785 : " exch /CharProcs get exch\n"
1786 : " 2 copy known not\n"
1787 : " {pop /.notdef} if\n"
1788 : " get exec\n"
1789 : "} bind def\n"
1790 : "/BuildChar {\n"
1791 : " 1 index /Encoding get exch get\n"
1792 : " 1 index /BuildGlyph get exec\n"
1793 : "} bind def\n"
1794 0 : "currentdict end\n";
1795 :
1796 0 : const char *h41 = "(%s) cvn exch definefont pop\n";
1797 :
1798 0 : if (!((nGlyphs > 0) && (nGlyphs <= 256))) return SF_GLYPHNUM;
1799 0 : if (!glyphArray) return SF_BADARG;
1800 0 : if (!fname) fname = ttf->psname;
1801 :
1802 0 : fprintf(outf, h01, GetInt16(table, 0, 1), GetUInt16(table, 2, 1), GetInt16(table, 4, 1), GetUInt16(table, 6, 1));
1803 0 : fprintf(outf, h02, modname, modver, modextra);
1804 0 : fprintf(outf, h09, ttf->psname);
1805 :
1806 0 : fprintf(outf, "%s", h10);
1807 0 : fprintf(outf, h11, fname);
1808 : /* fprintf(outf, h12, 4000000); */
1809 :
1810 : /* XUID generation:
1811 : * 103 0 0 C1 C2 C3 C4
1812 : * C1 - CRC-32 of the entire source TrueType font
1813 : * C2 - number of glyphs in the subset
1814 : * C3 - CRC-32 of the glyph array
1815 : * C4 - CRC-32 of the encoding array
1816 : *
1817 : * All CRC-32 numbers are presented as hexadecimal numbers
1818 : */
1819 :
1820 0 : fprintf(outf, h17, rtl_crc32(0, ttf->ptr, ttf->fsize), nGlyphs, rtl_crc32(0, glyphArray, nGlyphs * 2), rtl_crc32(0, encoding, nGlyphs));
1821 0 : fprintf(outf, "%s", h13);
1822 0 : fprintf(outf, h14, XUnits(UPEm, GetInt16(table, 36, 1)), XUnits(UPEm, GetInt16(table, 38, 1)), XUnits(UPEm, GetInt16(table, 40, 1)), XUnits(UPEm, GetInt16(table, 42, 1)));
1823 0 : fprintf(outf, "%s", h15);
1824 :
1825 0 : for (i = 0; i < nGlyphs; i++) {
1826 0 : fprintf(outf, h16, encoding[i], i);
1827 : }
1828 :
1829 0 : fprintf(outf, h30, nGlyphs+1);
1830 0 : fprintf(outf, "%s", h31);
1831 0 : fprintf(outf, "%s", h32);
1832 :
1833 0 : for (i = 0; i < nGlyphs; i++) {
1834 0 : fprintf(outf, h33, i);
1835 0 : r = GetTTGlyphOutline(ttf, glyphArray[i] < ttf->nglyphs ? glyphArray[i] : 0, &pa, &metrics, 0);
1836 :
1837 0 : if (r > 0) {
1838 0 : n = BSplineToPSPath(pa, r, &path);
1839 : } else {
1840 0 : n = 0; /* glyph might have zero contours but valid metrics ??? */
1841 0 : path = 0;
1842 0 : if (r < 0) { /* glyph is not present in the font - pa array was not allocated, so no need to free it */
1843 0 : continue;
1844 : }
1845 : }
1846 : fprintf(outf, "\t%d %d %d %d %d %d setcachedevice\n",
1847 0 : wmode == 0 ? XUnits(UPEm, metrics.aw) : 0,
1848 0 : wmode == 0 ? 0 : -XUnits(UPEm, metrics.ah),
1849 : XUnits(UPEm, metrics.xMin),
1850 : XUnits(UPEm, metrics.yMin),
1851 : XUnits(UPEm, metrics.xMax),
1852 0 : XUnits(UPEm, metrics.yMax));
1853 :
1854 0 : for (j = 0; j < n; j++)
1855 : {
1856 0 : switch (path[j].type)
1857 : {
1858 : case PS_MOVETO:
1859 0 : fprintf(outf, "\t%d %d moveto\n", XUnits(UPEm, path[j].x1), XUnits(UPEm, path[j].y1));
1860 0 : break;
1861 :
1862 : case PS_LINETO:
1863 0 : fprintf(outf, "\t%d %d lineto\n", XUnits(UPEm, path[j].x1), XUnits(UPEm, path[j].y1));
1864 0 : break;
1865 :
1866 : case PS_CURVETO:
1867 0 : fprintf(outf, "\t%d %d %d %d %d %d curveto\n", XUnits(UPEm, path[j].x1), XUnits(UPEm, path[j].y1), XUnits(UPEm, path[j].x2), XUnits(UPEm, path[j].y2), XUnits(UPEm, path[j].x3), XUnits(UPEm, path[j].y3));
1868 0 : break;
1869 :
1870 : case PS_CLOSEPATH:
1871 0 : fprintf(outf, "\tclosepath\n");
1872 0 : break;
1873 : case PS_NOOP:
1874 0 : break;
1875 : }
1876 : }
1877 0 : if (n > 0) fprintf(outf, "\tfill\n"); /* if glyph is not a whitespace character */
1878 :
1879 0 : fprintf(outf, "%s", h34);
1880 :
1881 0 : free(pa);
1882 0 : free(path);
1883 : }
1884 0 : fprintf(outf, "%s", h35);
1885 :
1886 0 : fprintf(outf, "%s", h40);
1887 0 : fprintf(outf, h41, fname);
1888 :
1889 0 : return SF_OK;
1890 : }
1891 : #endif
1892 :
1893 : #ifndef NO_TTCR
1894 0 : int CreateTTFromTTGlyphs(TrueTypeFont *ttf,
1895 : const char *fname,
1896 : sal_uInt16 *glyphArray,
1897 : sal_uInt8 *encoding,
1898 : int nGlyphs,
1899 : int nNameRecs,
1900 : NameRecord *nr,
1901 : sal_uInt32 flags)
1902 : {
1903 : TrueTypeCreator *ttcr;
1904 0 : TrueTypeTable *head=0, *hhea=0, *maxp=0, *cvt=0, *prep=0, *glyf=0, *fpgm=0, *cmap=0, *name=0, *post = 0, *os2 = 0;
1905 : int i;
1906 : int res;
1907 :
1908 0 : TrueTypeCreatorNewEmpty(T_true, &ttcr);
1909 :
1910 : /** name **/
1911 :
1912 0 : if (flags & TTCF_AutoName) {
1913 : /* not implemented yet
1914 : NameRecord *names;
1915 : NameRecord newname;
1916 : int n = GetTTNameRecords(ttf, &names);
1917 : int n1 = 0, n2 = 0, n3 = 0, n4 = 0, n5 = 0, n6 = 0;
1918 : sal_uInt8 *cp1;
1919 : sal_uInt8 suffix[32];
1920 : sal_uInt32 c1 = crc32(glyphArray, nGlyphs * 2);
1921 : sal_uInt32 c2 = crc32(encoding, nGlyphs);
1922 : int len;
1923 : snprintf(suffix, 31, "S%08X%08X-%d", c1, c2, nGlyphs);
1924 :
1925 : name = TrueTypeTableNew_name(0, 0);
1926 : for (i = 0; i < n; i++) {
1927 : if (names[i].platformID == 1 && names[i].encodingID == 0 && names[i].languageID == 0 && names[i].nameID == 1) {
1928 :
1929 : memcpy(newname, names+i, sizeof(NameRecord));
1930 : newname.slen = name[i].slen + strlen(suffix);
1931 : */
1932 0 : const sal_uInt8 ptr[] = {0,'T',0,'r',0,'u',0,'e',0,'T',0,'y',0,'p',0,'e',0,'S',0,'u',0,'b',0,'s',0,'e',0,'t'};
1933 0 : NameRecord n1 = {1, 0, 0, 6, 14, (sal_uInt8*)"TrueTypeSubset"};
1934 0 : NameRecord n2 = {3, 1, 1033, 6, 28, 0};
1935 0 : n2.sptr = (sal_uInt8 *) ptr;
1936 0 : name = TrueTypeTableNew_name(0, 0);
1937 0 : nameAdd(name, &n1);
1938 0 : nameAdd(name, &n2);
1939 : } else {
1940 0 : if (nNameRecs == 0) {
1941 : NameRecord *names;
1942 0 : int n = GetTTNameRecords(ttf, &names);
1943 0 : name = TrueTypeTableNew_name(n, names);
1944 0 : DisposeNameRecords(names, n);
1945 : } else {
1946 0 : name = TrueTypeTableNew_name(nNameRecs, nr);
1947 : }
1948 : }
1949 :
1950 : /** maxp **/
1951 0 : maxp = TrueTypeTableNew_maxp(getTable(ttf, O_maxp), getTableSize(ttf, O_maxp));
1952 :
1953 : /** hhea **/
1954 0 : const sal_uInt8* p = getTable(ttf, O_hhea);
1955 0 : if (p) {
1956 0 : hhea = TrueTypeTableNew_hhea(GetUInt16(p, 4, 1), GetUInt16(p, 6, 1), GetUInt16(p, 8, 1), GetUInt16(p, 18, 1), GetUInt16(p, 20, 1));
1957 : } else {
1958 0 : hhea = TrueTypeTableNew_hhea(0, 0, 0, 0, 0);
1959 : }
1960 :
1961 : /** head **/
1962 :
1963 0 : p = getTable(ttf, O_head);
1964 : assert(p != 0);
1965 : head = TrueTypeTableNew_head(GetUInt32(p, 4, 1),
1966 0 : GetUInt16(p, 16, 1),
1967 0 : GetUInt16(p, 18, 1),
1968 : p+20,
1969 0 : GetUInt16(p, 44, 1),
1970 0 : GetUInt16(p, 46, 1),
1971 0 : GetInt16(p, 48, 1));
1972 :
1973 : /** glyf **/
1974 :
1975 0 : glyf = TrueTypeTableNew_glyf();
1976 0 : sal_uInt32* gID = (sal_uInt32*)scalloc(nGlyphs, sizeof(sal_uInt32));
1977 :
1978 0 : for (i = 0; i < nGlyphs; i++) {
1979 0 : gID[i] = glyfAdd(glyf, GetTTRawGlyphData(ttf, glyphArray[i]), ttf);
1980 : }
1981 :
1982 : /** cmap **/
1983 0 : cmap = TrueTypeTableNew_cmap();
1984 :
1985 0 : for (i=0; i < nGlyphs; i++) {
1986 0 : cmapAdd(cmap, 0x010000, encoding[i], gID[i]);
1987 : }
1988 :
1989 : /** cvt **/
1990 0 : if ((p = getTable(ttf, O_cvt)) != 0) {
1991 0 : cvt = TrueTypeTableNew(T_cvt, getTableSize(ttf, O_cvt), p);
1992 : }
1993 :
1994 : /** prep **/
1995 0 : if ((p = getTable(ttf, O_prep)) != 0) {
1996 0 : prep = TrueTypeTableNew(T_prep, getTableSize(ttf, O_prep), p);
1997 : }
1998 :
1999 : /** fpgm **/
2000 0 : if ((p = getTable(ttf, O_fpgm)) != 0) {
2001 0 : fpgm = TrueTypeTableNew(T_fpgm, getTableSize(ttf, O_fpgm), p);
2002 : }
2003 :
2004 : /** post **/
2005 0 : if ((p = getTable(ttf, O_post)) != 0) {
2006 : post = TrueTypeTableNew_post(0x00030000,
2007 : GetUInt32(p, 4, 1),
2008 0 : GetUInt16(p, 8, 1),
2009 0 : GetUInt16(p, 10, 1),
2010 0 : GetUInt16(p, 12, 1));
2011 : } else {
2012 0 : post = TrueTypeTableNew_post(0x00030000, 0, 0, 0, 0);
2013 : }
2014 :
2015 0 : if (flags & TTCF_IncludeOS2) {
2016 0 : if ((p = getTable(ttf, O_OS2)) != 0) {
2017 0 : os2 = TrueTypeTableNew(T_OS2, getTableSize(ttf, O_OS2), p);
2018 : }
2019 : }
2020 :
2021 0 : AddTable(ttcr, name); AddTable(ttcr, maxp); AddTable(ttcr, hhea);
2022 0 : AddTable(ttcr, head); AddTable(ttcr, glyf); AddTable(ttcr, cmap);
2023 0 : AddTable(ttcr, cvt ); AddTable(ttcr, prep); AddTable(ttcr, fpgm);
2024 0 : AddTable(ttcr, post); AddTable(ttcr, os2);
2025 :
2026 0 : if ((res = StreamToFile(ttcr, fname)) != SF_OK) {
2027 : #if OSL_DEBUG_LEVEL > 1
2028 : fprintf(stderr, "StreamToFile: error code: %d.\n", res);
2029 : #endif
2030 : }
2031 :
2032 0 : TrueTypeCreatorDispose(ttcr);
2033 0 : free(gID);
2034 :
2035 0 : return res;
2036 : }
2037 : #endif
2038 :
2039 : #ifndef NO_TYPE42
2040 0 : static GlyphOffsets *GlyphOffsetsNew(sal_uInt8 *sfntP, sal_uInt32 sfntLen)
2041 : {
2042 0 : GlyphOffsets* res = (GlyphOffsets*)smalloc(sizeof(GlyphOffsets));
2043 0 : sal_uInt8 *loca = NULL;
2044 0 : sal_uInt16 i, numTables = GetUInt16(sfntP, 4, 1);
2045 0 : sal_uInt32 locaLen = 0;
2046 0 : sal_Int16 indexToLocFormat = 0;
2047 :
2048 0 : sal_uInt32 nMaxPossibleTables = sfntLen / (3*sizeof(sal_uInt32)); /*the three GetUInt32 calls*/
2049 0 : if (numTables > nMaxPossibleTables)
2050 : {
2051 : SAL_WARN( "vcl.fonts", "GlyphOffsetsNew claimed to have "
2052 : << numTables << " tables, but that's impossibly large");
2053 0 : numTables = nMaxPossibleTables;
2054 : }
2055 :
2056 0 : for (i = 0; i < numTables; i++) {
2057 0 : sal_uInt32 nLargestFixedOffsetPos = 12 + 16 * i + 12;
2058 0 : sal_uInt32 nMinSize = nLargestFixedOffsetPos + sizeof(sal_uInt32);
2059 0 : if (nMinSize > sfntLen)
2060 : {
2061 : SAL_WARN( "vcl.fonts", "GlyphOffsetsNew claimed to have "
2062 : << numTables << " tables, but only space for " << i);
2063 0 : break;
2064 : }
2065 :
2066 0 : sal_uInt32 tag = GetUInt32(sfntP, 12 + 16 * i, 1);
2067 0 : sal_uInt32 off = GetUInt32(sfntP, 12 + 16 * i + 8, 1);
2068 0 : sal_uInt32 len = GetUInt32(sfntP, nLargestFixedOffsetPos, 1);
2069 :
2070 0 : if (tag == T_loca) {
2071 0 : loca = sfntP + off;
2072 0 : locaLen = len;
2073 0 : } else if (tag == T_head) {
2074 0 : indexToLocFormat = GetInt16(sfntP + off, 50, 1);
2075 : }
2076 : }
2077 :
2078 0 : res->nGlyphs = locaLen / ((indexToLocFormat == 1) ? 4 : 2);
2079 : assert(res->nGlyphs != 0);
2080 0 : res->offs = (sal_uInt32*)scalloc(res->nGlyphs, sizeof(sal_uInt32));
2081 :
2082 0 : for (i = 0; i < res->nGlyphs; i++) {
2083 0 : if (indexToLocFormat == 1) {
2084 0 : res->offs[i] = GetUInt32(loca, i * 4, 1);
2085 : } else {
2086 0 : res->offs[i] = GetUInt16(loca, i * 2, 1) << 1;
2087 : }
2088 : }
2089 0 : return res;
2090 : }
2091 :
2092 0 : static void GlyphOffsetsDispose(GlyphOffsets *_this)
2093 : {
2094 0 : if (_this) {
2095 0 : free(_this->offs);
2096 0 : free(_this);
2097 : }
2098 0 : }
2099 :
2100 0 : static void DumpSfnts(FILE *outf, sal_uInt8 *sfntP, sal_uInt32 sfntLen)
2101 : {
2102 0 : HexFmt *h = HexFmtNew(outf);
2103 0 : sal_uInt16 i, numTables = GetUInt16(sfntP, 4, 1);
2104 0 : GlyphOffsets *go = GlyphOffsetsNew(sfntP, sfntLen);
2105 0 : sal_uInt8 pad[] = {0,0,0,0}; /* zeroes */
2106 :
2107 : assert(numTables <= 9); /* Type42 has 9 required tables */
2108 :
2109 0 : sal_uInt32* offs = (sal_uInt32*)scalloc(numTables, sizeof(sal_uInt32));
2110 :
2111 0 : fputs("/sfnts [", outf);
2112 0 : HexFmtOpenString(h);
2113 0 : HexFmtBlockWrite(h, sfntP, 12); /* stream out the Offset Table */
2114 0 : HexFmtBlockWrite(h, sfntP+12, 16 * numTables); /* stream out the Table Directory */
2115 :
2116 0 : for (i=0; i<numTables; i++) {
2117 0 : sal_uInt32 nLargestFixedOffsetPos = 12 + 16 * i + 12;
2118 0 : sal_uInt32 nMinSize = nLargestFixedOffsetPos + sizeof(sal_uInt32);
2119 0 : if (nMinSize > sfntLen)
2120 : {
2121 : SAL_WARN( "vcl.fonts", "DumpSfnts claimed to have "
2122 : << numTables << " tables, but only space for " << i);
2123 0 : break;
2124 : }
2125 :
2126 0 : sal_uInt32 tag = GetUInt32(sfntP, 12 + 16 * i, 1);
2127 0 : sal_uInt32 off = GetUInt32(sfntP, 12 + 16 * i + 8, 1);
2128 0 : sal_uInt32 len = GetUInt32(sfntP, nLargestFixedOffsetPos, 1);
2129 :
2130 0 : if (tag != T_glyf) {
2131 0 : HexFmtBlockWrite(h, sfntP + off, len);
2132 : } else {
2133 0 : sal_uInt8 *glyf = sfntP + off;
2134 : sal_uInt32 o, l, j;
2135 0 : for (j = 0; j < go->nGlyphs - 1; j++) {
2136 0 : o = go->offs[j];
2137 0 : l = go->offs[j + 1] - o;
2138 0 : HexFmtBlockWrite(h, glyf + o, l);
2139 : }
2140 : }
2141 0 : HexFmtBlockWrite(h, pad, (4 - (len & 3)) & 3);
2142 : }
2143 0 : HexFmtCloseString(h);
2144 0 : fputs("] def\n", outf);
2145 0 : GlyphOffsetsDispose(go);
2146 0 : HexFmtDispose(h);
2147 0 : free(offs);
2148 : // free(lens);
2149 0 : }
2150 :
2151 0 : int CreateT42FromTTGlyphs(TrueTypeFont *ttf,
2152 : FILE *outf,
2153 : const char *psname,
2154 : sal_uInt16 *glyphArray,
2155 : sal_uInt8 *encoding,
2156 : int nGlyphs)
2157 : {
2158 : TrueTypeCreator *ttcr;
2159 0 : TrueTypeTable *head=0, *hhea=0, *maxp=0, *cvt=0, *prep=0, *glyf=0, *fpgm=0;
2160 : int i;
2161 : int res;
2162 :
2163 : sal_uInt32 ver, rev;
2164 :
2165 : sal_uInt8 *sfntP;
2166 : sal_uInt32 sfntLen;
2167 0 : int UPEm = ttf->unitsPerEm;
2168 :
2169 0 : if (nGlyphs >= 256) return SF_GLYPHNUM;
2170 :
2171 : assert(psname != 0);
2172 :
2173 0 : TrueTypeCreatorNewEmpty(T_true, &ttcr);
2174 :
2175 : /* head */
2176 0 : const sal_uInt8* p = getTable(ttf, O_head);
2177 0 : const sal_uInt8* headP = p;
2178 : assert(p != 0);
2179 0 : head = TrueTypeTableNew_head(GetUInt32(p, 4, 1), GetUInt16(p, 16, 1), GetUInt16(p, 18, 1), p+20, GetUInt16(p, 44, 1), GetUInt16(p, 46, 1), GetInt16(p, 48, 1));
2180 0 : ver = GetUInt32(p, 0, 1);
2181 0 : rev = GetUInt32(p, 4, 1);
2182 :
2183 : /** hhea **/
2184 0 : p = getTable(ttf, O_hhea);
2185 0 : if (p) {
2186 0 : hhea = TrueTypeTableNew_hhea(GetUInt16(p, 4, 1), GetUInt16(p, 6, 1), GetUInt16(p, 8, 1), GetUInt16(p, 18, 1), GetUInt16(p, 20, 1));
2187 : } else {
2188 0 : hhea = TrueTypeTableNew_hhea(0, 0, 0, 0, 0);
2189 : }
2190 :
2191 : /** maxp **/
2192 0 : maxp = TrueTypeTableNew_maxp(getTable(ttf, O_maxp), getTableSize(ttf, O_maxp));
2193 :
2194 : /** cvt **/
2195 0 : if ((p = getTable(ttf, O_cvt)) != 0) {
2196 0 : cvt = TrueTypeTableNew(T_cvt, getTableSize(ttf, O_cvt), p);
2197 : }
2198 :
2199 : /** prep **/
2200 0 : if ((p = getTable(ttf, O_prep)) != 0) {
2201 0 : prep = TrueTypeTableNew(T_prep, getTableSize(ttf, O_prep), p);
2202 : }
2203 :
2204 : /** fpgm **/
2205 0 : if ((p = getTable(ttf, O_fpgm)) != 0) {
2206 0 : fpgm = TrueTypeTableNew(T_fpgm, getTableSize(ttf, O_fpgm), p);
2207 : }
2208 :
2209 : /** glyf **/
2210 0 : glyf = TrueTypeTableNew_glyf();
2211 0 : sal_uInt16* gID = (sal_uInt16*)scalloc(nGlyphs, sizeof(sal_uInt32));
2212 :
2213 0 : for (i = 0; i < nGlyphs; i++) {
2214 0 : gID[i] = (sal_uInt16)glyfAdd(glyf, GetTTRawGlyphData(ttf, glyphArray[i]), ttf);
2215 : }
2216 :
2217 0 : AddTable(ttcr, head); AddTable(ttcr, hhea); AddTable(ttcr, maxp); AddTable(ttcr, cvt);
2218 0 : AddTable(ttcr, prep); AddTable(ttcr, glyf); AddTable(ttcr, fpgm);
2219 :
2220 0 : if ((res = StreamToMemory(ttcr, &sfntP, &sfntLen)) != SF_OK) {
2221 0 : TrueTypeCreatorDispose(ttcr);
2222 0 : free(gID);
2223 0 : return res;
2224 : }
2225 :
2226 0 : fprintf(outf, "%%!PS-TrueTypeFont-%d.%d-%d.%d\n", (int)(ver>>16), (int)(ver & 0xFFFF), (int)(rev>>16), (int)(rev & 0xFFFF));
2227 0 : fprintf(outf, "%%%%Creator: %s %s %s\n", modname, modver, modextra);
2228 0 : fprintf(outf, "%%- Font subset generated from a source font file: '%s'\n", ttf->fname);
2229 0 : fprintf(outf, "%%- Original font name: %s\n", ttf->psname);
2230 0 : fprintf(outf, "%%- Original font family: %s\n", ttf->family);
2231 0 : fprintf(outf, "%%- Original font sub-family: %s\n", ttf->subfamily);
2232 0 : fprintf(outf, "11 dict begin\n");
2233 0 : fprintf(outf, "/FontName (%s) cvn def\n", psname);
2234 0 : fprintf(outf, "/PaintType 0 def\n");
2235 0 : fprintf(outf, "/FontMatrix [1 0 0 1 0 0] def\n");
2236 0 : fprintf(outf, "/FontBBox [%d %d %d %d] def\n", XUnits(UPEm, GetInt16(headP, 36, 1)), XUnits(UPEm, GetInt16(headP, 38, 1)), XUnits(UPEm, GetInt16(headP, 40, 1)), XUnits(UPEm, GetInt16(headP, 42, 1)));
2237 0 : fprintf(outf, "/FontType 42 def\n");
2238 0 : fprintf(outf, "/Encoding 256 array def\n");
2239 0 : fprintf(outf, " 0 1 255 {Encoding exch /.notdef put} for\n");
2240 :
2241 0 : for (i = 1; i<nGlyphs; i++) {
2242 0 : fprintf(outf, "Encoding %d /glyph%d put\n", encoding[i], gID[i]);
2243 : }
2244 0 : fprintf(outf, "/XUID [103 0 1 16#%08X %d 16#%08X 16#%08X] def\n", (unsigned int)rtl_crc32(0, ttf->ptr, ttf->fsize), (unsigned int)nGlyphs, (unsigned int)rtl_crc32(0, glyphArray, nGlyphs * 2), (unsigned int)rtl_crc32(0, encoding, nGlyphs));
2245 :
2246 0 : DumpSfnts(outf, sfntP, sfntLen);
2247 :
2248 : /* dump charstrings */
2249 0 : fprintf(outf, "/CharStrings %d dict dup begin\n", nGlyphs);
2250 0 : fprintf(outf, "/.notdef 0 def\n");
2251 0 : for (i = 1; i < (int)glyfCount(glyf); i++) {
2252 0 : fprintf(outf,"/glyph%d %d def\n", i, i);
2253 : }
2254 0 : fprintf(outf, "end readonly def\n");
2255 :
2256 0 : fprintf(outf, "FontName currentdict end definefont pop\n");
2257 0 : TrueTypeCreatorDispose(ttcr);
2258 0 : free(gID);
2259 0 : free(sfntP);
2260 0 : return SF_OK;
2261 : }
2262 : #endif
2263 :
2264 : #ifndef NO_MAPPERS
2265 0 : int MapString(TrueTypeFont *ttf, sal_uInt16 *str, int nchars, sal_uInt16 *glyphArray, bool bvertical)
2266 : {
2267 : int i;
2268 : sal_uInt16 *cp;
2269 :
2270 0 : if (ttf->cmapType == CMAP_NOT_USABLE ) return -1;
2271 0 : if (!nchars) return 0;
2272 :
2273 0 : if (glyphArray == 0) {
2274 0 : cp = str;
2275 : } else {
2276 0 : cp = glyphArray;
2277 : }
2278 :
2279 0 : switch (ttf->cmapType) {
2280 : case CMAP_MS_Symbol:
2281 0 : if( ttf->mapper == getGlyph0 ) {
2282 : sal_uInt16 aChar;
2283 0 : for( i = 0; i < nchars; i++ ) {
2284 0 : aChar = str[i];
2285 0 : if( ( aChar & 0xf000 ) == 0xf000 )
2286 0 : aChar &= 0x00ff;
2287 0 : cp[i] = aChar;
2288 : }
2289 : }
2290 0 : else if( glyphArray )
2291 0 : memcpy(glyphArray, str, nchars * 2);
2292 0 : break;
2293 :
2294 : case CMAP_MS_Unicode:
2295 0 : if (glyphArray != 0) {
2296 0 : memcpy(glyphArray, str, nchars * 2);
2297 : }
2298 0 : break;
2299 :
2300 0 : case CMAP_MS_ShiftJIS: TranslateString12(str, cp, nchars); break;
2301 0 : case CMAP_MS_Big5: TranslateString13(str, cp, nchars); break;
2302 0 : case CMAP_MS_PRC: TranslateString14(str, cp, nchars); break;
2303 0 : case CMAP_MS_Wansung: TranslateString15(str, cp, nchars); break;
2304 0 : case CMAP_MS_Johab: TranslateString16(str, cp, nchars); break;
2305 : }
2306 :
2307 0 : for (i = 0; i < nchars; i++) {
2308 0 : cp[i] = (sal_uInt16)ttf->mapper(ttf->cmap, cp[i]);
2309 0 : if (cp[i]!=0 && bvertical)
2310 0 : cp[i] = (sal_uInt16)UseGSUB(ttf,cp[i]);
2311 : }
2312 0 : return nchars;
2313 : }
2314 :
2315 0 : sal_uInt16 MapChar(TrueTypeFont *ttf, sal_uInt16 ch, bool bvertical)
2316 : {
2317 0 : switch (ttf->cmapType) {
2318 : case CMAP_MS_Symbol:
2319 :
2320 0 : if( ttf->mapper == getGlyph0 && ( ch & 0xf000 ) == 0xf000 )
2321 0 : ch &= 0x00ff;
2322 0 : return (sal_uInt16)ttf->mapper(ttf->cmap, ch );
2323 :
2324 0 : case CMAP_MS_Unicode: break;
2325 0 : case CMAP_MS_ShiftJIS: ch = TranslateChar12(ch); break;
2326 0 : case CMAP_MS_Big5: ch = TranslateChar13(ch); break;
2327 0 : case CMAP_MS_PRC: ch = TranslateChar14(ch); break;
2328 0 : case CMAP_MS_Wansung: ch = TranslateChar15(ch); break;
2329 0 : case CMAP_MS_Johab: ch = TranslateChar16(ch); break;
2330 0 : default: return 0;
2331 : }
2332 0 : ch = (sal_uInt16)ttf->mapper(ttf->cmap, ch);
2333 0 : if (ch!=0 && bvertical)
2334 0 : ch = (sal_uInt16)UseGSUB(ttf,ch);
2335 0 : return ch;
2336 : }
2337 :
2338 8039 : int DoesVerticalSubstitution( TrueTypeFont *ttf, int bvertical)
2339 : {
2340 8039 : int nRet = 0;
2341 8039 : if( bvertical)
2342 8039 : nRet = HasVerticalGSUB( ttf);
2343 8039 : return nRet;
2344 : }
2345 :
2346 : #endif
2347 :
2348 0 : int GetTTGlyphCount( TrueTypeFont* ttf )
2349 : {
2350 0 : return ttf->nglyphs;
2351 : }
2352 :
2353 0 : bool GetSfntTable( TrueTypeFont* ttf, int nSubtableIndex,
2354 : const sal_uInt8** ppRawBytes, int* pRawLength )
2355 : {
2356 0 : if( (nSubtableIndex < 0) || (nSubtableIndex >= NUM_TAGS) )
2357 0 : return false;
2358 0 : *pRawLength = ttf->tlens[ nSubtableIndex ];
2359 0 : *ppRawBytes = ttf->tables[ nSubtableIndex ];
2360 0 : bool bOk = (*pRawLength > 0) && (*ppRawBytes != NULL);
2361 0 : return bOk;
2362 : }
2363 :
2364 0 : TTSimpleGlyphMetrics *GetTTSimpleGlyphMetrics(TrueTypeFont *ttf, sal_uInt16 *glyphArray, int nGlyphs, bool vertical)
2365 : {
2366 : const sal_uInt8* pTable;
2367 : sal_uInt32 n;
2368 : int nTableSize;
2369 :
2370 0 : if (!vertical) {
2371 0 : n = ttf->numberOfHMetrics;
2372 0 : pTable = getTable( ttf, O_hmtx );
2373 0 : nTableSize = getTableSize( ttf, O_hmtx );
2374 : } else {
2375 0 : n = ttf->numOfLongVerMetrics;
2376 0 : pTable = getTable( ttf, O_vmtx );
2377 0 : nTableSize = getTableSize( ttf, O_vmtx );
2378 : }
2379 :
2380 0 : if (!nGlyphs || !glyphArray) return 0; /* invalid parameters */
2381 0 : if (!n || !pTable) return 0; /* the font does not contain the requested metrics */
2382 :
2383 0 : TTSimpleGlyphMetrics* res = (TTSimpleGlyphMetrics*)calloc(nGlyphs, sizeof(TTSimpleGlyphMetrics));
2384 : assert(res != 0);
2385 :
2386 0 : const int UPEm = ttf->unitsPerEm;
2387 0 : for( int i = 0; i < nGlyphs; ++i) {
2388 : int nAdvOffset, nLsbOffset;
2389 0 : sal_uInt16 glyphID = glyphArray[i];
2390 :
2391 0 : if (glyphID < n) {
2392 0 : nAdvOffset = 4 * glyphID;
2393 0 : nLsbOffset = nAdvOffset + 2;
2394 : } else {
2395 0 : nAdvOffset = 4 * (n - 1);
2396 0 : if( glyphID < ttf->nglyphs )
2397 0 : nLsbOffset = 4 * n + 2 * (glyphID - n);
2398 : else /* font is broken -> use lsb of last hmetrics */
2399 0 : nLsbOffset = nAdvOffset + 2;
2400 : }
2401 :
2402 0 : if( nAdvOffset >= nTableSize)
2403 0 : res[i].adv = 0; /* better than a crash for buggy fonts */
2404 : else
2405 0 : res[i].adv = static_cast<sal_uInt16>(
2406 0 : XUnits( UPEm, GetUInt16( pTable, nAdvOffset, 1) ) );
2407 :
2408 0 : if( nLsbOffset >= nTableSize)
2409 0 : res[i].sb = 0; /* better than a crash for buggy fonts */
2410 : else
2411 0 : res[i].sb = static_cast<sal_Int16>(
2412 0 : XUnits( UPEm, GetInt16( pTable, nLsbOffset, 1) ) );
2413 : }
2414 :
2415 0 : return res;
2416 : }
2417 :
2418 : #ifndef NO_MAPPERS
2419 0 : TTSimpleGlyphMetrics *GetTTSimpleCharMetrics(TrueTypeFont * ttf, sal_uInt16 firstChar, int nChars, bool vertical)
2420 : {
2421 0 : TTSimpleGlyphMetrics *res = 0;
2422 : int i, n;
2423 :
2424 0 : sal_uInt16* str = (sal_uInt16*)malloc(nChars * 2);
2425 : assert(str != 0);
2426 :
2427 0 : for (i=0; i<nChars; i++) str[i] = (sal_uInt16)(firstChar + i);
2428 0 : if ((n = MapString(ttf, str, nChars, 0, vertical)) != -1) {
2429 0 : res = GetTTSimpleGlyphMetrics(ttf, str, n, vertical);
2430 : }
2431 :
2432 0 : free(str);
2433 :
2434 0 : return res;
2435 : }
2436 : #endif
2437 :
2438 8039 : void GetTTGlobalFontInfo(TrueTypeFont *ttf, TTGlobalFontInfo *info)
2439 : {
2440 8039 : int UPEm = ttf->unitsPerEm;
2441 :
2442 8039 : memset(info, 0, sizeof(TTGlobalFontInfo));
2443 :
2444 8039 : info->family = ttf->family;
2445 8039 : info->ufamily = ttf->ufamily;
2446 8039 : info->subfamily = ttf->subfamily;
2447 8039 : info->usubfamily = ttf->usubfamily;
2448 8039 : info->psname = ttf->psname;
2449 8039 : info->symbolEncoded = (ttf->cmapType == CMAP_MS_Symbol);
2450 :
2451 8039 : const sal_uInt8* table = getTable(ttf, O_OS2);
2452 8039 : if (table) {
2453 8039 : info->weight = GetUInt16(table, 4, 1);
2454 8039 : info->width = GetUInt16(table, 6, 1);
2455 :
2456 : /* There are 3 different versions of OS/2 table: original (68 bytes long),
2457 : * Microsoft old (78 bytes long) and Microsoft new (86 bytes long,)
2458 : * Apple's documentation recommends looking at the table length.
2459 : */
2460 8039 : if (getTableSize(ttf, O_OS2) > 68) {
2461 8039 : info->typoAscender = XUnits(UPEm,GetInt16(table, 68, 1));
2462 8039 : info->typoDescender = XUnits(UPEm, GetInt16(table, 70, 1));
2463 8039 : info->typoLineGap = XUnits(UPEm, GetInt16(table, 72, 1));
2464 8039 : info->winAscent = XUnits(UPEm, GetUInt16(table, 74, 1));
2465 8039 : info->winDescent = XUnits(UPEm, GetUInt16(table, 76, 1));
2466 : /* sanity check; some fonts treat winDescent as signed
2467 : * violating the standard */
2468 8039 : if( info->winDescent > 5*UPEm )
2469 0 : info->winDescent = XUnits(UPEm, GetInt16(table, 76,1));
2470 : }
2471 8039 : if (ttf->cmapType == CMAP_MS_Unicode) {
2472 8039 : info->rangeFlag = 1;
2473 8039 : info->ur1 = GetUInt32(table, 42, 1);
2474 8039 : info->ur2 = GetUInt32(table, 46, 1);
2475 8039 : info->ur3 = GetUInt32(table, 50, 1);
2476 8039 : info->ur4 = GetUInt32(table, 54, 1);
2477 : }
2478 8039 : memcpy(info->panose, table + 32, 10);
2479 8039 : info->typeFlags = GetUInt16( table, 8, 1 );
2480 8039 : if( getTable(ttf, O_CFF) )
2481 0 : info->typeFlags |= TYPEFLAG_PS_OPENTYPE;
2482 : }
2483 :
2484 8039 : table = getTable(ttf, O_post);
2485 8039 : if (table && getTableSize(ttf, O_post) >= 12+sizeof(sal_uInt32)) {
2486 8039 : info->pitch = GetUInt32(table, 12, 1);
2487 8039 : info->italicAngle = GetInt32(table, 4, 1);
2488 : }
2489 :
2490 8039 : table = getTable(ttf, O_head); /* 'head' tables is always there */
2491 8039 : info->xMin = XUnits(UPEm, GetInt16(table, 36, 1));
2492 8039 : info->yMin = XUnits(UPEm, GetInt16(table, 38, 1));
2493 8039 : info->xMax = XUnits(UPEm, GetInt16(table, 40, 1));
2494 8039 : info->yMax = XUnits(UPEm, GetInt16(table, 42, 1));
2495 8039 : info->macStyle = GetInt16(table, 44, 1);
2496 :
2497 8039 : table = getTable(ttf, O_hhea);
2498 8039 : if (table) {
2499 8039 : info->ascender = XUnits(UPEm, GetInt16(table, 4, 1));
2500 8039 : info->descender = XUnits(UPEm, GetInt16(table, 6, 1));
2501 8039 : info->linegap = XUnits(UPEm, GetInt16(table, 8, 1));
2502 : }
2503 :
2504 8039 : table = getTable(ttf, O_vhea);
2505 8039 : if (table) {
2506 0 : info->vascent = XUnits(UPEm, GetInt16(table, 4, 1));
2507 0 : info->vdescent = XUnits(UPEm, GetInt16(table, 6, 1));
2508 : }
2509 8039 : }
2510 :
2511 0 : GlyphData *GetTTRawGlyphData(TrueTypeFont *ttf, sal_uInt32 glyphID)
2512 : {
2513 0 : const sal_uInt8* glyf = getTable(ttf, O_glyf);
2514 0 : const sal_uInt8* hmtx = getTable(ttf, O_hmtx);
2515 : int n;
2516 :
2517 0 : if( glyphID >= ttf->nglyphs )
2518 0 : return 0;
2519 :
2520 : /* #127161# check the glyph offsets */
2521 0 : sal_uInt32 length = getTableSize( ttf, O_glyf );
2522 0 : if( length < ttf->goffsets[ glyphID+1 ] )
2523 0 : return 0;
2524 :
2525 0 : length = ttf->goffsets[glyphID+1] - ttf->goffsets[glyphID];
2526 :
2527 0 : GlyphData* d = (GlyphData*)malloc(sizeof(GlyphData)); assert(d != 0);
2528 :
2529 0 : if (length > 0) {
2530 0 : const sal_uInt8* srcptr = glyf + ttf->goffsets[glyphID];
2531 0 : d->ptr = (sal_uInt8*)malloc((length + 1) & ~1); assert(d->ptr != 0);
2532 0 : memcpy( d->ptr, srcptr, length );
2533 0 : d->compflag = (GetInt16( srcptr, 0, 1 ) < 0);
2534 : } else {
2535 0 : d->ptr = 0;
2536 0 : d->compflag = false;
2537 : }
2538 :
2539 0 : d->glyphID = glyphID;
2540 0 : d->nbytes = (sal_uInt16)((length + 1) & ~1);
2541 :
2542 : /* now calculate npoints and ncontours */
2543 : ControlPoint *cp;
2544 0 : n = GetTTGlyphPoints(ttf, glyphID, &cp);
2545 0 : if (n > 0)
2546 : {
2547 0 : int m = 0;
2548 0 : for (int i = 0; i < n; i++)
2549 : {
2550 0 : if (cp[i].flags & 0x8000)
2551 0 : m++;
2552 : }
2553 0 : d->npoints = (sal_uInt16)n;
2554 0 : d->ncontours = (sal_uInt16)m;
2555 0 : free(cp);
2556 : } else {
2557 0 : d->npoints = 0;
2558 0 : d->ncontours = 0;
2559 : }
2560 :
2561 : /* get advance width and left sidebearing */
2562 0 : if (glyphID < ttf->numberOfHMetrics) {
2563 0 : d->aw = GetUInt16(hmtx, 4 * glyphID, 1);
2564 0 : d->lsb = GetInt16(hmtx, 4 * glyphID + 2, 1);
2565 : } else {
2566 0 : d->aw = GetUInt16(hmtx, 4 * (ttf->numberOfHMetrics - 1), 1);
2567 0 : d->lsb = GetInt16(hmtx + ttf->numberOfHMetrics * 4, (glyphID - ttf->numberOfHMetrics) * 2, 1);
2568 : }
2569 :
2570 0 : return d;
2571 : }
2572 :
2573 8039 : int GetTTNameRecords(TrueTypeFont *ttf, NameRecord **nr)
2574 : {
2575 8039 : const sal_uInt8* table = getTable(ttf, O_name);
2576 8039 : int nTableSize = getTableSize(ttf, O_name );
2577 :
2578 8039 : if (nTableSize < 6)
2579 : {
2580 : #if OSL_DEBUG_LEVEL > 1
2581 : fprintf(stderr, "O_name table too small\n");
2582 : #endif
2583 0 : return 0;
2584 : }
2585 :
2586 8039 : sal_uInt16 n = GetUInt16(table, 2, 1);
2587 8039 : int nStrBase = GetUInt16(table, 4, 1);
2588 : int i;
2589 :
2590 8039 : *nr = 0;
2591 8039 : if (n == 0) return 0;
2592 :
2593 8039 : NameRecord* rec = (NameRecord*)calloc(n, sizeof(NameRecord));
2594 :
2595 535237 : for (i = 0; i < n; i++) {
2596 527198 : int nLargestFixedOffsetPos = 6 + 10 + 12 * i;
2597 527198 : int nMinSize = nLargestFixedOffsetPos + sizeof(sal_uInt16);
2598 527198 : if (nMinSize > nTableSize)
2599 : {
2600 : SAL_WARN( "vcl.fonts", "Font " << OUString::createFromAscii(ttf->fname) << " claimed to have "
2601 : << n << " name records, but only space for " << i);
2602 0 : n = i;
2603 0 : break;
2604 : }
2605 :
2606 527198 : rec[i].platformID = GetUInt16(table, 6 + 0 + 12 * i, 1);
2607 527198 : rec[i].encodingID = GetUInt16(table, 6 + 2 + 12 * i, 1);
2608 527198 : rec[i].languageID = GetUInt16(table, 6 + 4 + 12 * i, 1);
2609 527198 : rec[i].nameID = GetUInt16(table, 6 + 6 + 12 * i, 1);
2610 527198 : rec[i].slen = GetUInt16(table, 6 + 8 + 12 * i, 1);
2611 527198 : int nStrOffset = GetUInt16(table, nLargestFixedOffsetPos, 1);
2612 527198 : if (rec[i].slen) {
2613 526190 : if( nStrBase+nStrOffset+rec[i].slen >= nTableSize ) {
2614 3678 : rec[i].sptr = 0;
2615 3678 : rec[i].slen = 0;
2616 3678 : continue;
2617 : }
2618 :
2619 522512 : const sal_uInt8* rec_string = table + nStrBase + nStrOffset;
2620 : // sanity check
2621 522512 : if( rec_string > (sal_uInt8*)ttf->ptr && rec_string < ((sal_uInt8*)ttf->ptr + ttf->fsize - rec[i].slen ) )
2622 : {
2623 522512 : rec[i].sptr = (sal_uInt8 *) malloc(rec[i].slen); assert(rec[i].sptr != 0);
2624 522512 : memcpy(rec[i].sptr, rec_string, rec[i].slen);
2625 : }
2626 : else
2627 : {
2628 0 : rec[i].sptr = 0;
2629 0 : rec[i].slen = 0;
2630 : }
2631 : } else {
2632 1008 : rec[i].sptr = 0;
2633 : }
2634 : // some fonts have 3.0 names => fix them to 3.1
2635 523520 : if( (rec[i].platformID == 3) && (rec[i].encodingID == 0) )
2636 0 : rec[i].encodingID = 1;
2637 : }
2638 :
2639 8039 : *nr = rec;
2640 8039 : return n;
2641 : }
2642 :
2643 8039 : void DisposeNameRecords(NameRecord* nr, int n)
2644 : {
2645 : int i;
2646 535237 : for (i = 0; i < n; i++) {
2647 527198 : if (nr[i].sptr) free(nr[i].sptr);
2648 : }
2649 8039 : free(nr);
2650 8039 : }
2651 :
2652 1700 : bool getTTCoverage(
2653 : boost::dynamic_bitset<sal_uInt32> &rUnicodeRange,
2654 : boost::dynamic_bitset<sal_uInt32> &rCodePageRange,
2655 : const unsigned char* pTable, size_t nLength)
2656 : {
2657 1700 : bool bRet = false;
2658 : // parse OS/2 header
2659 1700 : if (nLength >= 58)
2660 : {
2661 1700 : pTable+=4; //skip Version
2662 1700 : rUnicodeRange.append(GetUInt32(pTable, 42, 1));
2663 1700 : rUnicodeRange.append(GetUInt32(pTable, 46, 1));
2664 1700 : rUnicodeRange.append(GetUInt32(pTable, 50, 1));
2665 1700 : rUnicodeRange.append(GetUInt32(pTable, 54, 1));
2666 1700 : bRet = true;
2667 1700 : if (nLength >= 86)
2668 : {
2669 1700 : rCodePageRange.append(GetUInt32(pTable, 78, 1));
2670 1700 : rCodePageRange.append(GetUInt32(pTable, 82, 1));
2671 : }
2672 : }
2673 1700 : return bRet;
2674 : }
2675 :
2676 1700 : void getTTScripts(std::vector< sal_uInt32 > &rScriptTags, const unsigned char* pTable, size_t nLength)
2677 : {
2678 1700 : if (nLength < 6)
2679 1700 : return;
2680 :
2681 : // parse GSUB/GPOS header
2682 1700 : const sal_uInt16 nOfsScriptList = GetUInt16(pTable, 4, 1);
2683 :
2684 : // parse Script Table
2685 1700 : const sal_uInt16 nCntScript = GetUInt16(pTable, nOfsScriptList, 1);
2686 1700 : sal_uInt32 nCurrentPos = nOfsScriptList+2;
2687 8500 : for( sal_uInt16 nScriptIndex = 0;
2688 6800 : nScriptIndex < nCntScript && nLength >= 6; ++nScriptIndex,
2689 : nLength-=6 )
2690 : {
2691 6800 : sal_uInt32 nTag = GetUInt32(pTable, nCurrentPos, 1);
2692 6800 : nCurrentPos+=6;
2693 6800 : rScriptTags.push_back(nTag); // e.g. hani/arab/kana/hang
2694 : }
2695 :
2696 1700 : std::sort(rScriptTags.begin(), rScriptTags.end());
2697 1700 : rScriptTags.erase(std::unique(rScriptTags.begin(), rScriptTags.end()), rScriptTags.end());
2698 : }
2699 :
2700 : } // namespace vcl
2701 :
2702 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
