projects / reactos.git / blob
? search:


24c26a5655406c53b89c35700f1e18f306906a6b
[reactos.git] / reactos / lib / 3rdparty / freetype / src / gxvalid / gxvjust.c
1 /***************************************************************************/
2 /* */
3 /* gxvjust.c */
4 /* */
5 /* TrueTypeGX/AAT just table validation (body). */
6 /* */
7 /* Copyright 2005, 2014 by suzuki toshiya, Masatake YAMATO, Red Hat K.K., */
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
9 /* */
10 /* This file is part of the FreeType project, and may only be used, */
11 /* modified, and distributed under the terms of the FreeType project */
12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
13 /* this file you indicate that you have read the license and */
14 /* understand and accept it fully. */
15 /* */
16 /***************************************************************************/
17
18 /***************************************************************************/
19 /* */
20 /* gxvalid is derived from both gxlayout module and otvalid module. */
21 /* Development of gxlayout is supported by the Information-technology */
22 /* Promotion Agency(IPA), Japan. */
23 /* */
24 /***************************************************************************/
25
26
27 #include "gxvalid.h"
28 #include "gxvcommn.h"
29
30 #include FT_SFNT_NAMES_H
31
32
33 /*************************************************************************/
34 /* */
35 /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
36 /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
37 /* messages during execution. */
38 /* */
39 #undef FT_COMPONENT
40 #define FT_COMPONENT trace_gxvjust
41
42 /*
43 * referred `just' table format specification:
44 * http://developer.apple.com/fonts/TTRefMan/RM06/Chap6just.html
45 * last updated 2000.
46 * ----------------------------------------------
47 * [JUST HEADER]: GXV_JUST_HEADER_SIZE
48 * version (fixed: 32bit) = 0x00010000
49 * format (uint16: 16bit) = 0 is only defined (2000)
50 * horizOffset (uint16: 16bit)
51 * vertOffset (uint16: 16bit)
52 * ----------------------------------------------
53 */
54
55 typedef struct GXV_just_DataRec_
56 {
57 FT_UShort wdc_offset_max;
58 FT_UShort wdc_offset_min;
59 FT_UShort pc_offset_max;
60 FT_UShort pc_offset_min;
61
62 } GXV_just_DataRec, *GXV_just_Data;
63
64
65 #define GXV_JUST_DATA( a ) GXV_TABLE_DATA( just, a )
66
67
68 /* GX just table does not define their subset of GID */
69 static void
70 gxv_just_check_max_gid( FT_UShort gid,
71 const FT_String* msg_tag,
72 GXV_Validator gxvalid )
73 {
74 if ( gid < gxvalid->face->num_glyphs )
75 return;
76
77 GXV_TRACE(( "just table includes too large %s"
78 " GID=%d > %d (in maxp)\n",
79 msg_tag, gid, gxvalid->face->num_glyphs ));
80 GXV_SET_ERR_IF_PARANOID( FT_INVALID_GLYPH_ID );
81 }
82
83
84 static void
85 gxv_just_wdp_entry_validate( FT_Bytes table,
86 FT_Bytes limit,
87 GXV_Validator gxvalid )
88 {
89 FT_Bytes p = table;
90 FT_ULong justClass;
91 #ifdef GXV_LOAD_UNUSED_VARS
92 FT_Fixed beforeGrowLimit;
93 FT_Fixed beforeShrinkGrowLimit;
94 FT_Fixed afterGrowLimit;
95 FT_Fixed afterShrinkGrowLimit;
96 FT_UShort growFlags;
97 FT_UShort shrinkFlags;
98 #endif
99
100
101 GXV_LIMIT_CHECK( 4 + 4 + 4 + 4 + 4 + 2 + 2 );
102 justClass = FT_NEXT_ULONG( p );
103 #ifndef GXV_LOAD_UNUSED_VARS
104 p += 4 + 4 + 4 + 4 + 2 + 2;
105 #else
106 beforeGrowLimit = FT_NEXT_ULONG( p );
107 beforeShrinkGrowLimit = FT_NEXT_ULONG( p );
108 afterGrowLimit = FT_NEXT_ULONG( p );
109 afterShrinkGrowLimit = FT_NEXT_ULONG( p );
110 growFlags = FT_NEXT_USHORT( p );
111 shrinkFlags = FT_NEXT_USHORT( p );
112 #endif
113
114 /* According to Apple spec, only 7bits in justClass is used */
115 if ( ( justClass & 0xFFFFFF80UL ) != 0 )
116 {
117 GXV_TRACE(( "just table includes non-zero value"
118 " in unused justClass higher bits"
119 " of WidthDeltaPair" ));
120 GXV_SET_ERR_IF_PARANOID( FT_INVALID_DATA );
121 }
122
123 gxvalid->subtable_length = p - table;
124 }
125
126
127 static void
128 gxv_just_wdc_entry_validate( FT_Bytes table,
129 FT_Bytes limit,
130 GXV_Validator gxvalid )
131 {
132 FT_Bytes p = table;
133 FT_ULong count, i;
134
135
136 GXV_LIMIT_CHECK( 4 );
137 count = FT_NEXT_ULONG( p );
138 for ( i = 0; i < count; i++ )
139 {
140 GXV_TRACE(( "validating wdc pair %d/%d\n", i + 1, count ));
141 gxv_just_wdp_entry_validate( p, limit, gxvalid );
142 p += gxvalid->subtable_length;
143 }
144
145 gxvalid->subtable_length = p - table;
146 }
147
148
149 static void
150 gxv_just_widthDeltaClusters_validate( FT_Bytes table,
151 FT_Bytes limit,
152 GXV_Validator gxvalid )
153 {
154 FT_Bytes p = table ;
155 FT_Bytes wdc_end = table + GXV_JUST_DATA( wdc_offset_max );
156 FT_UInt i;
157
158
159 GXV_NAME_ENTER( "just justDeltaClusters" );
160
161 if ( limit <= wdc_end )
162 FT_INVALID_OFFSET;
163
164 for ( i = 0; p <= wdc_end; i++ )
165 {
166 gxv_just_wdc_entry_validate( p, limit, gxvalid );
167 p += gxvalid->subtable_length;
168 }
169
170 gxvalid->subtable_length = p - table;
171
172 GXV_EXIT;
173 }
174
175
176 static void
177 gxv_just_actSubrecord_type0_validate( FT_Bytes table,
178 FT_Bytes limit,
179 GXV_Validator gxvalid )
180 {
181 FT_Bytes p = table;
182
183 FT_Fixed lowerLimit;
184 FT_Fixed upperLimit;
185 #ifdef GXV_LOAD_UNUSED_VARS
186 FT_UShort order;
187 #endif
188 FT_UShort decomposedCount;
189
190 FT_UInt i;
191
192
193 GXV_LIMIT_CHECK( 4 + 4 + 2 + 2 );
194 lowerLimit = FT_NEXT_ULONG( p );
195 upperLimit = FT_NEXT_ULONG( p );
196 #ifdef GXV_LOAD_UNUSED_VARS
197 order = FT_NEXT_USHORT( p );
198 #else
199 p += 2;
200 #endif
201 decomposedCount = FT_NEXT_USHORT( p );
202
203 if ( lowerLimit >= upperLimit )
204 {
205 GXV_TRACE(( "just table includes invalid range spec:"
206 " lowerLimit(%d) > upperLimit(%d)\n" ));
207 GXV_SET_ERR_IF_PARANOID( FT_INVALID_DATA );
208 }
209
210 for ( i = 0; i < decomposedCount; i++ )
211 {
212 FT_UShort glyphs;
213
214
215 GXV_LIMIT_CHECK( 2 );
216 glyphs = FT_NEXT_USHORT( p );
217 gxv_just_check_max_gid( glyphs, "type0:glyphs", gxvalid );
218 }
219
220 gxvalid->subtable_length = p - table;
221 }
222
223
224 static void
225 gxv_just_actSubrecord_type1_validate( FT_Bytes table,
226 FT_Bytes limit,
227 GXV_Validator gxvalid )
228 {
229 FT_Bytes p = table;
230 FT_UShort addGlyph;
231
232
233 GXV_LIMIT_CHECK( 2 );
234 addGlyph = FT_NEXT_USHORT( p );
235
236 gxv_just_check_max_gid( addGlyph, "type1:addGlyph", gxvalid );
237
238 gxvalid->subtable_length = p - table;
239 }
240
241
242 static void
243 gxv_just_actSubrecord_type2_validate( FT_Bytes table,
244 FT_Bytes limit,
245 GXV_Validator gxvalid )
246 {
247 FT_Bytes p = table;
248 #ifdef GXV_LOAD_UNUSED_VARS
249 FT_Fixed substThreshhold; /* Apple misspelled "Threshhold" */
250 #endif
251 FT_UShort addGlyph;
252 FT_UShort substGlyph;
253
254
255 GXV_LIMIT_CHECK( 4 + 2 + 2 );
256 #ifdef GXV_LOAD_UNUSED_VARS
257 substThreshhold = FT_NEXT_ULONG( p );
258 #else
259 p += 4;
260 #endif
261 addGlyph = FT_NEXT_USHORT( p );
262 substGlyph = FT_NEXT_USHORT( p );
263
264 if ( addGlyph != 0xFFFF )
265 gxv_just_check_max_gid( addGlyph, "type2:addGlyph", gxvalid );
266
267 gxv_just_check_max_gid( substGlyph, "type2:substGlyph", gxvalid );
268
269 gxvalid->subtable_length = p - table;
270 }
271
272
273 static void
274 gxv_just_actSubrecord_type4_validate( FT_Bytes table,
275 FT_Bytes limit,
276 GXV_Validator gxvalid )
277 {
278 FT_Bytes p = table;
279 FT_ULong variantsAxis;
280 FT_Fixed minimumLimit;
281 FT_Fixed noStretchValue;
282 FT_Fixed maximumLimit;
283
284
285 GXV_LIMIT_CHECK( 4 + 4 + 4 + 4 );
286 variantsAxis = FT_NEXT_ULONG( p );
287 minimumLimit = FT_NEXT_ULONG( p );
288 noStretchValue = FT_NEXT_ULONG( p );
289 maximumLimit = FT_NEXT_ULONG( p );
290
291 gxvalid->subtable_length = p - table;
292
293 if ( variantsAxis != 0x64756374L ) /* 'duct' */
294 GXV_TRACE(( "variantsAxis 0x%08x is non default value",
295 variantsAxis ));
296
297 if ( minimumLimit > noStretchValue )
298 GXV_TRACE(( "type4:minimumLimit 0x%08x > noStretchValue 0x%08x\n",
299 minimumLimit, noStretchValue ));
300 else if ( noStretchValue > maximumLimit )
301 GXV_TRACE(( "type4:noStretchValue 0x%08x > maximumLimit 0x%08x\n",
302 noStretchValue, maximumLimit ));
303 else if ( !IS_PARANOID_VALIDATION )
304 return;
305
306 FT_INVALID_DATA;
307 }
308
309
310 static void
311 gxv_just_actSubrecord_type5_validate( FT_Bytes table,
312 FT_Bytes limit,
313 GXV_Validator gxvalid )
314 {
315 FT_Bytes p = table;
316 FT_UShort flags;
317 FT_UShort glyph;
318
319
320 GXV_LIMIT_CHECK( 2 + 2 );
321 flags = FT_NEXT_USHORT( p );
322 glyph = FT_NEXT_USHORT( p );
323
324 if ( flags )
325 GXV_TRACE(( "type5: nonzero value 0x%04x in unused flags\n",
326 flags ));
327 gxv_just_check_max_gid( glyph, "type5:glyph", gxvalid );
328
329 gxvalid->subtable_length = p - table;
330 }
331
332
333 /* parse single actSubrecord */
334 static void
335 gxv_just_actSubrecord_validate( FT_Bytes table,
336 FT_Bytes limit,
337 GXV_Validator gxvalid )
338 {
339 FT_Bytes p = table;
340 FT_UShort actionClass;
341 FT_UShort actionType;
342 FT_ULong actionLength;
343
344
345 GXV_NAME_ENTER( "just actSubrecord" );
346
347 GXV_LIMIT_CHECK( 2 + 2 + 4 );
348 actionClass = FT_NEXT_USHORT( p );
349 actionType = FT_NEXT_USHORT( p );
350 actionLength = FT_NEXT_ULONG( p );
351
352 /* actionClass is related with justClass using 7bit only */
353 if ( ( actionClass & 0xFF80 ) != 0 )
354 GXV_SET_ERR_IF_PARANOID( FT_INVALID_DATA );
355
356 if ( actionType == 0 )
357 gxv_just_actSubrecord_type0_validate( p, limit, gxvalid );
358 else if ( actionType == 1 )
359 gxv_just_actSubrecord_type1_validate( p, limit, gxvalid );
360 else if ( actionType == 2 )
361 gxv_just_actSubrecord_type2_validate( p, limit, gxvalid );
362 else if ( actionType == 3 )
363 ; /* Stretch glyph action: no actionData */
364 else if ( actionType == 4 )
365 gxv_just_actSubrecord_type4_validate( p, limit, gxvalid );
366 else if ( actionType == 5 )
367 gxv_just_actSubrecord_type5_validate( p, limit, gxvalid );
368 else
369 FT_INVALID_DATA;
370
371 gxvalid->subtable_length = actionLength;
372
373 GXV_EXIT;
374 }
375
376
377 static void
378 gxv_just_pcActionRecord_validate( FT_Bytes table,
379 FT_Bytes limit,
380 GXV_Validator gxvalid )
381 {
382 FT_Bytes p = table;
383 FT_ULong actionCount;
384 FT_ULong i;
385
386
387 GXV_LIMIT_CHECK( 4 );
388 actionCount = FT_NEXT_ULONG( p );
389 GXV_TRACE(( "actionCount = %d\n", actionCount ));
390
391 for ( i = 0; i < actionCount; i++ )
392 {
393 gxv_just_actSubrecord_validate( p, limit, gxvalid );
394 p += gxvalid->subtable_length;
395 }
396
397 gxvalid->subtable_length = p - table;
398
399 GXV_EXIT;
400 }
401
402
403 static void
404 gxv_just_pcTable_LookupValue_entry_validate( FT_UShort glyph,
405 GXV_LookupValueCPtr value_p,
406 GXV_Validator gxvalid )
407 {
408 FT_UNUSED( glyph );
409
410 if ( value_p->u > GXV_JUST_DATA( pc_offset_max ) )
411 GXV_JUST_DATA( pc_offset_max ) = value_p->u;
412 if ( value_p->u < GXV_JUST_DATA( pc_offset_max ) )
413 GXV_JUST_DATA( pc_offset_min ) = value_p->u;
414 }
415
416
417 static void
418 gxv_just_pcLookupTable_validate( FT_Bytes table,
419 FT_Bytes limit,
420 GXV_Validator gxvalid )
421 {
422 FT_Bytes p = table;
423
424
425 GXV_NAME_ENTER( "just pcLookupTable" );
426 GXV_JUST_DATA( pc_offset_max ) = 0x0000;
427 GXV_JUST_DATA( pc_offset_min ) = 0xFFFFU;
428
429 gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED;
430 gxvalid->lookupval_func = gxv_just_pcTable_LookupValue_entry_validate;
431
432 gxv_LookupTable_validate( p, limit, gxvalid );
433
434 /* subtable_length is set by gxv_LookupTable_validate() */
435
436 GXV_EXIT;
437 }
438
439
440 static void
441 gxv_just_postcompTable_validate( FT_Bytes table,
442 FT_Bytes limit,
443 GXV_Validator gxvalid )
444 {
445 FT_Bytes p = table;
446
447
448 GXV_NAME_ENTER( "just postcompTable" );
449
450 gxv_just_pcLookupTable_validate( p, limit, gxvalid );
451 p += gxvalid->subtable_length;
452
453 gxv_just_pcActionRecord_validate( p, limit, gxvalid );
454 p += gxvalid->subtable_length;
455
456 gxvalid->subtable_length = p - table;
457
458 GXV_EXIT;
459 }
460
461
462 static void
463 gxv_just_classTable_entry_validate(
464 FT_Byte state,
465 FT_UShort flags,
466 GXV_StateTable_GlyphOffsetCPtr glyphOffset_p,
467 FT_Bytes table,
468 FT_Bytes limit,
469 GXV_Validator gxvalid )
470 {
471 #ifdef GXV_LOAD_UNUSED_VARS
472 /* TODO: validate markClass & currentClass */
473 FT_UShort setMark;
474 FT_UShort dontAdvance;
475 FT_UShort markClass;
476 FT_UShort currentClass;
477 #endif
478
479 FT_UNUSED( state );
480 FT_UNUSED( glyphOffset_p );
481 FT_UNUSED( table );
482 FT_UNUSED( limit );
483 FT_UNUSED( gxvalid );
484
485 #ifndef GXV_LOAD_UNUSED_VARS
486 FT_UNUSED( flags );
487 #else
488 setMark = (FT_UShort)( ( flags >> 15 ) & 1 );
489 dontAdvance = (FT_UShort)( ( flags >> 14 ) & 1 );
490 markClass = (FT_UShort)( ( flags >> 7 ) & 0x7F );
491 currentClass = (FT_UShort)( flags & 0x7F );
492 #endif
493 }
494
495
496 static void
497 gxv_just_justClassTable_validate ( FT_Bytes table,
498 FT_Bytes limit,
499 GXV_Validator gxvalid )
500 {
501 FT_Bytes p = table;
502 FT_UShort length;
503 FT_UShort coverage;
504 FT_ULong subFeatureFlags;
505
506
507 GXV_NAME_ENTER( "just justClassTable" );
508
509 GXV_LIMIT_CHECK( 2 + 2 + 4 );
510 length = FT_NEXT_USHORT( p );
511 coverage = FT_NEXT_USHORT( p );
512 subFeatureFlags = FT_NEXT_ULONG( p );
513
514 GXV_TRACE(( " justClassTable: coverage = 0x%04x (%s) ", coverage ));
515 if ( ( coverage & 0x4000 ) == 0 )
516 GXV_TRACE(( "ascending\n" ));
517 else
518 GXV_TRACE(( "descending\n" ));
519
520 if ( subFeatureFlags )
521 GXV_TRACE(( " justClassTable: nonzero value (0x%08x)"
522 " in unused subFeatureFlags\n", subFeatureFlags ));
523
524 gxvalid->statetable.optdata = NULL;
525 gxvalid->statetable.optdata_load_func = NULL;
526 gxvalid->statetable.subtable_setup_func = NULL;
527 gxvalid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE;
528 gxvalid->statetable.entry_validate_func =
529 gxv_just_classTable_entry_validate;
530
531 gxv_StateTable_validate( p, table + length, gxvalid );
532
533 /* subtable_length is set by gxv_LookupTable_validate() */
534
535 GXV_EXIT;
536 }
537
538
539 static void
540 gxv_just_wdcTable_LookupValue_validate( FT_UShort glyph,
541 GXV_LookupValueCPtr value_p,
542 GXV_Validator gxvalid )
543 {
544 FT_UNUSED( glyph );
545
546 if ( value_p->u > GXV_JUST_DATA( wdc_offset_max ) )
547 GXV_JUST_DATA( wdc_offset_max ) = value_p->u;
548 if ( value_p->u < GXV_JUST_DATA( wdc_offset_min ) )
549 GXV_JUST_DATA( wdc_offset_min ) = value_p->u;
550 }
551
552
553 static void
554 gxv_just_justData_lookuptable_validate( FT_Bytes table,
555 FT_Bytes limit,
556 GXV_Validator gxvalid )
557 {
558 FT_Bytes p = table;
559
560
561 GXV_JUST_DATA( wdc_offset_max ) = 0x0000;
562 GXV_JUST_DATA( wdc_offset_min ) = 0xFFFFU;
563
564 gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED;
565 gxvalid->lookupval_func = gxv_just_wdcTable_LookupValue_validate;
566
567 gxv_LookupTable_validate( p, limit, gxvalid );
568
569 /* subtable_length is set by gxv_LookupTable_validate() */
570
571 GXV_EXIT;
572 }
573
574
575 /*
576 * gxv_just_justData_validate() parses and validates horizData, vertData.
577 */
578 static void
579 gxv_just_justData_validate( FT_Bytes table,
580 FT_Bytes limit,
581 GXV_Validator gxvalid )
582 {
583 /*
584 * following 3 offsets are measured from the start of `just'
585 * (which table points to), not justData
586 */
587 FT_UShort justClassTableOffset;
588 FT_UShort wdcTableOffset;
589 FT_UShort pcTableOffset;
590 FT_Bytes p = table;
591
592 GXV_ODTECT( 4, odtect );
593
594
595 GXV_NAME_ENTER( "just justData" );
596
597 GXV_ODTECT_INIT( odtect );
598 GXV_LIMIT_CHECK( 2 + 2 + 2 );
599 justClassTableOffset = FT_NEXT_USHORT( p );
600 wdcTableOffset = FT_NEXT_USHORT( p );
601 pcTableOffset = FT_NEXT_USHORT( p );
602
603 GXV_TRACE(( " (justClassTableOffset = 0x%04x)\n", justClassTableOffset ));
604 GXV_TRACE(( " (wdcTableOffset = 0x%04x)\n", wdcTableOffset ));
605 GXV_TRACE(( " (pcTableOffset = 0x%04x)\n", pcTableOffset ));
606
607 gxv_just_justData_lookuptable_validate( p, limit, gxvalid );
608 gxv_odtect_add_range( p, gxvalid->subtable_length,
609 "just_LookupTable", odtect );
610
611 if ( wdcTableOffset )
612 {
613 gxv_just_widthDeltaClusters_validate(
614 gxvalid->root->base + wdcTableOffset, limit, gxvalid );
615 gxv_odtect_add_range( gxvalid->root->base + wdcTableOffset,
616 gxvalid->subtable_length, "just_wdcTable", odtect );
617 }
618
619 if ( pcTableOffset )
620 {
621 gxv_just_postcompTable_validate( gxvalid->root->base + pcTableOffset,
622 limit, gxvalid );
623 gxv_odtect_add_range( gxvalid->root->base + pcTableOffset,
624 gxvalid->subtable_length, "just_pcTable", odtect );
625 }
626
627 if ( justClassTableOffset )
628 {
629 gxv_just_justClassTable_validate(
630 gxvalid->root->base + justClassTableOffset, limit, gxvalid );
631 gxv_odtect_add_range( gxvalid->root->base + justClassTableOffset,
632 gxvalid->subtable_length, "just_justClassTable",
633 odtect );
634 }
635
636 gxv_odtect_validate( odtect, gxvalid );
637
638 GXV_EXIT;
639 }
640
641
642 FT_LOCAL_DEF( void )
643 gxv_just_validate( FT_Bytes table,
644 FT_Face face,
645 FT_Validator ftvalid )
646 {
647 FT_Bytes p = table;
648 FT_Bytes limit = 0;
649
650 GXV_ValidatorRec gxvalidrec;
651 GXV_Validator gxvalid = &gxvalidrec;
652 GXV_just_DataRec justrec;
653 GXV_just_Data just = &justrec;
654
655 FT_ULong version;
656 FT_UShort format;
657 FT_UShort horizOffset;
658 FT_UShort vertOffset;
659
660 GXV_ODTECT( 3, odtect );
661
662
663 GXV_ODTECT_INIT( odtect );
664
665 gxvalid->root = ftvalid;
666 gxvalid->table_data = just;
667 gxvalid->face = face;
668
669 FT_TRACE3(( "validating `just' table\n" ));
670 GXV_INIT;
671
672 limit = gxvalid->root->limit;
673
674 GXV_LIMIT_CHECK( 4 + 2 + 2 + 2 );
675 version = FT_NEXT_ULONG( p );
676 format = FT_NEXT_USHORT( p );
677 horizOffset = FT_NEXT_USHORT( p );
678 vertOffset = FT_NEXT_USHORT( p );
679 gxv_odtect_add_range( table, p - table, "just header", odtect );
680
681
682 /* Version 1.0 (always:2000) */
683 GXV_TRACE(( " (version = 0x%08x)\n", version ));
684 if ( version != 0x00010000UL )
685 FT_INVALID_FORMAT;
686
687 /* format 0 (always:2000) */
688 GXV_TRACE(( " (format = 0x%04x)\n", format ));
689 if ( format != 0x0000 )
690 FT_INVALID_FORMAT;
691
692 GXV_TRACE(( " (horizOffset = %d)\n", horizOffset ));
693 GXV_TRACE(( " (vertOffset = %d)\n", vertOffset ));
694
695
696 /* validate justData */
697 if ( 0 < horizOffset )
698 {
699 gxv_just_justData_validate( table + horizOffset, limit, gxvalid );
700 gxv_odtect_add_range( table + horizOffset, gxvalid->subtable_length,
701 "horizJustData", odtect );
702 }
703
704 if ( 0 < vertOffset )
705 {
706 gxv_just_justData_validate( table + vertOffset, limit, gxvalid );
707 gxv_odtect_add_range( table + vertOffset, gxvalid->subtable_length,
708 "vertJustData", odtect );
709 }
710
711 gxv_odtect_validate( odtect, gxvalid );
712
713 FT_TRACE4(( "\n" ));
714 }
715
716
717 /* END */
A free Windows-compatible Operating System