ReactOS 0.4.15-dev-8058-ga7cbb60
gxvjust.c
Go to the documentation of this file.
1/***************************************************************************/
2/* */
3/* gxvjust.c */
4/* */
5/* TrueTypeGX/AAT just table validation (body). */
6/* */
7/* Copyright 2005-2018 by */
8/* suzuki toshiya, Masatake YAMATO, Red Hat K.K., */
9/* David Turner, Robert Wilhelm, and Werner Lemberg. */
10/* */
11/* This file is part of the FreeType project, and may only be used, */
12/* modified, and distributed under the terms of the FreeType project */
13/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
14/* this file you indicate that you have read the license and */
15/* understand and accept it fully. */
16/* */
17/***************************************************************************/
18
19/***************************************************************************/
20/* */
21/* gxvalid is derived from both gxlayout module and otvalid module. */
22/* Development of gxlayout is supported by the Information-technology */
23/* Promotion Agency(IPA), Japan. */
24/* */
25/***************************************************************************/
26
27
28#include "gxvalid.h"
29#include "gxvcommn.h"
30
31#include FT_SFNT_NAMES_H
32
33
34 /*************************************************************************/
35 /* */
36 /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
37 /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
38 /* messages during execution. */
39 /* */
40#undef FT_COMPONENT
41#define FT_COMPONENT trace_gxvjust
42
43 /*
44 * referred `just' table format specification:
45 * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6just.html
46 * last updated 2000.
47 * ----------------------------------------------
48 * [JUST HEADER]: GXV_JUST_HEADER_SIZE
49 * version (fixed: 32bit) = 0x00010000
50 * format (uint16: 16bit) = 0 is only defined (2000)
51 * horizOffset (uint16: 16bit)
52 * vertOffset (uint16: 16bit)
53 * ----------------------------------------------
54 */
55
56 typedef struct GXV_just_DataRec_
57 {
58 FT_UShort wdc_offset_max;
59 FT_UShort wdc_offset_min;
60 FT_UShort pc_offset_max;
61 FT_UShort pc_offset_min;
62
63 } GXV_just_DataRec, *GXV_just_Data;
64
65
66#define GXV_JUST_DATA( a ) GXV_TABLE_DATA( just, a )
67
68
69 /* GX just table does not define their subset of GID */
70 static void
71 gxv_just_check_max_gid( FT_UShort gid,
72 const FT_String* msg_tag,
73 GXV_Validator gxvalid )
74 {
75 if ( gid < gxvalid->face->num_glyphs )
76 return;
77
78 GXV_TRACE(( "just table includes too large %s"
79 " GID=%d > %d (in maxp)\n",
80 msg_tag, gid, gxvalid->face->num_glyphs ));
81 GXV_SET_ERR_IF_PARANOID( FT_INVALID_GLYPH_ID );
82 }
83
84
85 static void
86 gxv_just_wdp_entry_validate( FT_Bytes table,
87 FT_Bytes limit,
88 GXV_Validator gxvalid )
89 {
90 FT_Bytes p = table;
91 FT_ULong justClass;
92#ifdef GXV_LOAD_UNUSED_VARS
93 FT_Fixed beforeGrowLimit;
94 FT_Fixed beforeShrinkGrowLimit;
95 FT_Fixed afterGrowLimit;
96 FT_Fixed afterShrinkGrowLimit;
97 FT_UShort growFlags;
98 FT_UShort shrinkFlags;
99#endif
100
101
102 GXV_LIMIT_CHECK( 4 + 4 + 4 + 4 + 4 + 2 + 2 );
103 justClass = FT_NEXT_ULONG( p );
104#ifndef GXV_LOAD_UNUSED_VARS
105 p += 4 + 4 + 4 + 4 + 2 + 2;
106#else
107 beforeGrowLimit = FT_NEXT_ULONG( p );
108 beforeShrinkGrowLimit = FT_NEXT_ULONG( p );
109 afterGrowLimit = FT_NEXT_ULONG( p );
110 afterShrinkGrowLimit = FT_NEXT_ULONG( p );
111 growFlags = FT_NEXT_USHORT( p );
112 shrinkFlags = FT_NEXT_USHORT( p );
113#endif
114
115 /* According to Apple spec, only 7bits in justClass is used */
116 if ( ( justClass & 0xFFFFFF80UL ) != 0 )
117 {
118 GXV_TRACE(( "just table includes non-zero value"
119 " in unused justClass higher bits"
120 " of WidthDeltaPair" ));
121 GXV_SET_ERR_IF_PARANOID( FT_INVALID_DATA );
122 }
123
124 gxvalid->subtable_length = (FT_ULong)( p - table );
125 }
126
127
128 static void
129 gxv_just_wdc_entry_validate( FT_Bytes table,
130 FT_Bytes limit,
131 GXV_Validator gxvalid )
132 {
133 FT_Bytes p = table;
134 FT_ULong count, i;
135
136
137 GXV_LIMIT_CHECK( 4 );
138 count = FT_NEXT_ULONG( p );
139 for ( i = 0; i < count; i++ )
140 {
141 GXV_TRACE(( "validating wdc pair %d/%d\n", i + 1, count ));
142 gxv_just_wdp_entry_validate( p, limit, gxvalid );
143 p += gxvalid->subtable_length;
144 }
145
146 gxvalid->subtable_length = (FT_ULong)( p - table );
147 }
148
149
150 static void
151 gxv_just_widthDeltaClusters_validate( FT_Bytes table,
152 FT_Bytes limit,
153 GXV_Validator gxvalid )
154 {
155 FT_Bytes p = table;
156 FT_Bytes wdc_end = table + GXV_JUST_DATA( wdc_offset_max );
157 FT_UInt i;
158
159
160 GXV_NAME_ENTER( "just justDeltaClusters" );
161
162 if ( limit <= wdc_end )
163 FT_INVALID_OFFSET;
164
165 for ( i = 0; p <= wdc_end; i++ )
166 {
167 gxv_just_wdc_entry_validate( p, limit, gxvalid );
168 p += gxvalid->subtable_length;
169 }
170
171 gxvalid->subtable_length = (FT_ULong)( p - table );
172
173 GXV_EXIT;
174 }
175
176
177 static void
178 gxv_just_actSubrecord_type0_validate( FT_Bytes table,
179 FT_Bytes limit,
180 GXV_Validator gxvalid )
181 {
182 FT_Bytes p = table;
183
184 FT_Fixed lowerLimit;
185 FT_Fixed upperLimit;
186#ifdef GXV_LOAD_UNUSED_VARS
187 FT_UShort order;
188#endif
189 FT_UShort decomposedCount;
190
191 FT_UInt i;
192
193
194 GXV_LIMIT_CHECK( 4 + 4 + 2 + 2 );
195 lowerLimit = FT_NEXT_LONG( p );
196 upperLimit = FT_NEXT_LONG( p );
197#ifdef GXV_LOAD_UNUSED_VARS
198 order = FT_NEXT_USHORT( p );
199#else
200 p += 2;
201#endif
202 decomposedCount = FT_NEXT_USHORT( p );
203
204 if ( lowerLimit >= upperLimit )
205 {
206 GXV_TRACE(( "just table includes invalid range spec:"
207 " lowerLimit(%d) > upperLimit(%d)\n" ));
208 GXV_SET_ERR_IF_PARANOID( FT_INVALID_DATA );
209 }
210
211 for ( i = 0; i < decomposedCount; i++ )
212 {
213 FT_UShort glyphs;
214
215
216 GXV_LIMIT_CHECK( 2 );
217 glyphs = FT_NEXT_USHORT( p );
218 gxv_just_check_max_gid( glyphs, "type0:glyphs", gxvalid );
219 }
220
221 gxvalid->subtable_length = (FT_ULong)( p - table );
222 }
223
224
225 static void
226 gxv_just_actSubrecord_type1_validate( FT_Bytes table,
227 FT_Bytes limit,
228 GXV_Validator gxvalid )
229 {
230 FT_Bytes p = table;
231 FT_UShort addGlyph;
232
233
234 GXV_LIMIT_CHECK( 2 );
235 addGlyph = FT_NEXT_USHORT( p );
236
237 gxv_just_check_max_gid( addGlyph, "type1:addGlyph", gxvalid );
238
239 gxvalid->subtable_length = (FT_ULong)( p - table );
240 }
241
242
243 static void
244 gxv_just_actSubrecord_type2_validate( FT_Bytes table,
245 FT_Bytes limit,
246 GXV_Validator gxvalid )
247 {
248 FT_Bytes p = table;
249#ifdef GXV_LOAD_UNUSED_VARS
250 FT_Fixed substThreshhold; /* Apple misspelled "Threshhold" */
251#endif
252 FT_UShort addGlyph;
253 FT_UShort substGlyph;
254
255
256 GXV_LIMIT_CHECK( 4 + 2 + 2 );
257#ifdef GXV_LOAD_UNUSED_VARS
258 substThreshhold = FT_NEXT_ULONG( p );
259#else
260 p += 4;
261#endif
262 addGlyph = FT_NEXT_USHORT( p );
263 substGlyph = FT_NEXT_USHORT( p );
264
265 if ( addGlyph != 0xFFFF )
266 gxv_just_check_max_gid( addGlyph, "type2:addGlyph", gxvalid );
267
268 gxv_just_check_max_gid( substGlyph, "type2:substGlyph", gxvalid );
269
270 gxvalid->subtable_length = (FT_ULong)( p - table );
271 }
272
273
274 static void
275 gxv_just_actSubrecord_type4_validate( FT_Bytes table,
276 FT_Bytes limit,
277 GXV_Validator gxvalid )
278 {
279 FT_Bytes p = table;
280 FT_ULong variantsAxis;
281 FT_Fixed minimumLimit;
282 FT_Fixed noStretchValue;
283 FT_Fixed maximumLimit;
284
285
286 GXV_LIMIT_CHECK( 4 + 4 + 4 + 4 );
287 variantsAxis = FT_NEXT_ULONG( p );
288 minimumLimit = FT_NEXT_LONG( p );
289 noStretchValue = FT_NEXT_LONG( p );
290 maximumLimit = FT_NEXT_LONG( p );
291
292 gxvalid->subtable_length = (FT_ULong)( p - table );
293
294 if ( variantsAxis != 0x64756374L ) /* 'duct' */
295 GXV_TRACE(( "variantsAxis 0x%08x is non default value",
296 variantsAxis ));
297
298 if ( minimumLimit > noStretchValue )
299 GXV_TRACE(( "type4:minimumLimit 0x%08x > noStretchValue 0x%08x\n",
300 minimumLimit, noStretchValue ));
301 else if ( noStretchValue > maximumLimit )
302 GXV_TRACE(( "type4:noStretchValue 0x%08x > maximumLimit 0x%08x\n",
303 noStretchValue, maximumLimit ));
304 else if ( !IS_PARANOID_VALIDATION )
305 return;
306
307 FT_INVALID_DATA;
308 }
309
310
311 static void
312 gxv_just_actSubrecord_type5_validate( FT_Bytes table,
313 FT_Bytes limit,
314 GXV_Validator gxvalid )
315 {
316 FT_Bytes p = table;
317 FT_UShort flags;
318 FT_UShort glyph;
319
320
321 GXV_LIMIT_CHECK( 2 + 2 );
322 flags = FT_NEXT_USHORT( p );
323 glyph = FT_NEXT_USHORT( p );
324
325 if ( flags )
326 GXV_TRACE(( "type5: nonzero value 0x%04x in unused flags\n",
327 flags ));
328 gxv_just_check_max_gid( glyph, "type5:glyph", gxvalid );
329
330 gxvalid->subtable_length = (FT_ULong)( p - table );
331 }
332
333
334 /* parse single actSubrecord */
335 static void
336 gxv_just_actSubrecord_validate( FT_Bytes table,
337 FT_Bytes limit,
338 GXV_Validator gxvalid )
339 {
340 FT_Bytes p = table;
341 FT_UShort actionClass;
342 FT_UShort actionType;
343 FT_ULong actionLength;
344
345
346 GXV_NAME_ENTER( "just actSubrecord" );
347
348 GXV_LIMIT_CHECK( 2 + 2 + 4 );
349 actionClass = FT_NEXT_USHORT( p );
350 actionType = FT_NEXT_USHORT( p );
351 actionLength = FT_NEXT_ULONG( p );
352
353 /* actionClass is related with justClass using 7bit only */
354 if ( ( actionClass & 0xFF80 ) != 0 )
355 GXV_SET_ERR_IF_PARANOID( FT_INVALID_DATA );
356
357 if ( actionType == 0 )
358 gxv_just_actSubrecord_type0_validate( p, limit, gxvalid );
359 else if ( actionType == 1 )
360 gxv_just_actSubrecord_type1_validate( p, limit, gxvalid );
361 else if ( actionType == 2 )
362 gxv_just_actSubrecord_type2_validate( p, limit, gxvalid );
363 else if ( actionType == 3 )
364 ; /* Stretch glyph action: no actionData */
365 else if ( actionType == 4 )
366 gxv_just_actSubrecord_type4_validate( p, limit, gxvalid );
367 else if ( actionType == 5 )
368 gxv_just_actSubrecord_type5_validate( p, limit, gxvalid );
369 else
370 FT_INVALID_DATA;
371
372 gxvalid->subtable_length = actionLength;
373
374 GXV_EXIT;
375 }
376
377
378 static void
379 gxv_just_pcActionRecord_validate( FT_Bytes table,
380 FT_Bytes limit,
381 GXV_Validator gxvalid )
382 {
383 FT_Bytes p = table;
384 FT_ULong actionCount;
385 FT_ULong i;
386
387
388 GXV_LIMIT_CHECK( 4 );
389 actionCount = FT_NEXT_ULONG( p );
390 GXV_TRACE(( "actionCount = %d\n", actionCount ));
391
392 for ( i = 0; i < actionCount; i++ )
393 {
394 gxv_just_actSubrecord_validate( p, limit, gxvalid );
395 p += gxvalid->subtable_length;
396 }
397
398 gxvalid->subtable_length = (FT_ULong)( p - table );
399
400 GXV_EXIT;
401 }
402
403
404 static void
405 gxv_just_pcTable_LookupValue_entry_validate( FT_UShort glyph,
406 GXV_LookupValueCPtr value_p,
407 GXV_Validator gxvalid )
408 {
409 FT_UNUSED( glyph );
410
411 if ( value_p->u > GXV_JUST_DATA( pc_offset_max ) )
412 GXV_JUST_DATA( pc_offset_max ) = value_p->u;
413 if ( value_p->u < GXV_JUST_DATA( pc_offset_max ) )
414 GXV_JUST_DATA( pc_offset_min ) = value_p->u;
415 }
416
417
418 static void
419 gxv_just_pcLookupTable_validate( FT_Bytes table,
420 FT_Bytes limit,
421 GXV_Validator gxvalid )
422 {
423 FT_Bytes p = table;
424
425
426 GXV_NAME_ENTER( "just pcLookupTable" );
427 GXV_JUST_DATA( pc_offset_max ) = 0x0000;
428 GXV_JUST_DATA( pc_offset_min ) = 0xFFFFU;
429
430 gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED;
431 gxvalid->lookupval_func = gxv_just_pcTable_LookupValue_entry_validate;
432
433 gxv_LookupTable_validate( p, limit, gxvalid );
434
435 /* subtable_length is set by gxv_LookupTable_validate() */
436
437 GXV_EXIT;
438 }
439
440
441 static void
442 gxv_just_postcompTable_validate( FT_Bytes table,
443 FT_Bytes limit,
444 GXV_Validator gxvalid )
445 {
446 FT_Bytes p = table;
447
448
449 GXV_NAME_ENTER( "just postcompTable" );
450
451 gxv_just_pcLookupTable_validate( p, limit, gxvalid );
452 p += gxvalid->subtable_length;
453
454 gxv_just_pcActionRecord_validate( p, limit, gxvalid );
455 p += gxvalid->subtable_length;
456
457 gxvalid->subtable_length = (FT_ULong)( p - table );
458
459 GXV_EXIT;
460 }
461
462
463 static void
464 gxv_just_classTable_entry_validate(
465 FT_Byte state,
466 FT_UShort flags,
467 GXV_StateTable_GlyphOffsetCPtr glyphOffset_p,
468 FT_Bytes table,
469 FT_Bytes limit,
470 GXV_Validator gxvalid )
471 {
472#ifdef GXV_LOAD_UNUSED_VARS
473 /* TODO: validate markClass & currentClass */
474 FT_UShort setMark;
475 FT_UShort dontAdvance;
476 FT_UShort markClass;
477 FT_UShort currentClass;
478#endif
479
480 FT_UNUSED( state );
481 FT_UNUSED( glyphOffset_p );
482 FT_UNUSED( table );
483 FT_UNUSED( limit );
484 FT_UNUSED( gxvalid );
485
486#ifndef GXV_LOAD_UNUSED_VARS
487 FT_UNUSED( flags );
488#else
489 setMark = (FT_UShort)( ( flags >> 15 ) & 1 );
490 dontAdvance = (FT_UShort)( ( flags >> 14 ) & 1 );
491 markClass = (FT_UShort)( ( flags >> 7 ) & 0x7F );
492 currentClass = (FT_UShort)( flags & 0x7F );
493#endif
494 }
495
496
497 static void
498 gxv_just_justClassTable_validate ( FT_Bytes table,
499 FT_Bytes limit,
500 GXV_Validator gxvalid )
501 {
502 FT_Bytes p = table;
503 FT_UShort length;
504 FT_UShort coverage;
505 FT_ULong subFeatureFlags;
506
507
508 GXV_NAME_ENTER( "just justClassTable" );
509
510 GXV_LIMIT_CHECK( 2 + 2 + 4 );
511 length = FT_NEXT_USHORT( p );
512 coverage = FT_NEXT_USHORT( p );
513 subFeatureFlags = FT_NEXT_ULONG( p );
514
515 GXV_TRACE(( " justClassTable: coverage = 0x%04x (%s) ", coverage ));
516 if ( ( coverage & 0x4000 ) == 0 )
517 GXV_TRACE(( "ascending\n" ));
518 else
519 GXV_TRACE(( "descending\n" ));
520
521 if ( subFeatureFlags )
522 GXV_TRACE(( " justClassTable: nonzero value (0x%08x)"
523 " in unused subFeatureFlags\n", subFeatureFlags ));
524
525 gxvalid->statetable.optdata = NULL;
526 gxvalid->statetable.optdata_load_func = NULL;
527 gxvalid->statetable.subtable_setup_func = NULL;
528 gxvalid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE;
529 gxvalid->statetable.entry_validate_func =
530 gxv_just_classTable_entry_validate;
531
532 gxv_StateTable_validate( p, table + length, gxvalid );
533
534 /* subtable_length is set by gxv_LookupTable_validate() */
535
536 GXV_EXIT;
537 }
538
539
540 static void
541 gxv_just_wdcTable_LookupValue_validate( FT_UShort glyph,
542 GXV_LookupValueCPtr value_p,
543 GXV_Validator gxvalid )
544 {
545 FT_UNUSED( glyph );
546
547 if ( value_p->u > GXV_JUST_DATA( wdc_offset_max ) )
548 GXV_JUST_DATA( wdc_offset_max ) = value_p->u;
549 if ( value_p->u < GXV_JUST_DATA( wdc_offset_min ) )
550 GXV_JUST_DATA( wdc_offset_min ) = value_p->u;
551 }
552
553
554 static void
555 gxv_just_justData_lookuptable_validate( FT_Bytes table,
556 FT_Bytes limit,
557 GXV_Validator gxvalid )
558 {
559 FT_Bytes p = table;
560
561
562 GXV_JUST_DATA( wdc_offset_max ) = 0x0000;
563 GXV_JUST_DATA( wdc_offset_min ) = 0xFFFFU;
564
565 gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED;
566 gxvalid->lookupval_func = gxv_just_wdcTable_LookupValue_validate;
567
568 gxv_LookupTable_validate( p, limit, gxvalid );
569
570 /* subtable_length is set by gxv_LookupTable_validate() */
571
572 GXV_EXIT;
573 }
574
575
576 /*
577 * gxv_just_justData_validate() parses and validates horizData, vertData.
578 */
579 static void
580 gxv_just_justData_validate( FT_Bytes table,
581 FT_Bytes limit,
582 GXV_Validator gxvalid )
583 {
584 /*
585 * following 3 offsets are measured from the start of `just'
586 * (which table points to), not justData
587 */
588 FT_UShort justClassTableOffset;
589 FT_UShort wdcTableOffset;
590 FT_UShort pcTableOffset;
591 FT_Bytes p = table;
592
593 GXV_ODTECT( 4, odtect );
594
595
596 GXV_NAME_ENTER( "just justData" );
597
598 GXV_ODTECT_INIT( odtect );
599 GXV_LIMIT_CHECK( 2 + 2 + 2 );
600 justClassTableOffset = FT_NEXT_USHORT( p );
601 wdcTableOffset = FT_NEXT_USHORT( p );
602 pcTableOffset = FT_NEXT_USHORT( p );
603
604 GXV_TRACE(( " (justClassTableOffset = 0x%04x)\n", justClassTableOffset ));
605 GXV_TRACE(( " (wdcTableOffset = 0x%04x)\n", wdcTableOffset ));
606 GXV_TRACE(( " (pcTableOffset = 0x%04x)\n", pcTableOffset ));
607
608 gxv_just_justData_lookuptable_validate( p, limit, gxvalid );
609 gxv_odtect_add_range( p, gxvalid->subtable_length,
610 "just_LookupTable", odtect );
611
612 if ( wdcTableOffset )
613 {
614 gxv_just_widthDeltaClusters_validate(
615 gxvalid->root->base + wdcTableOffset, limit, gxvalid );
616 gxv_odtect_add_range( gxvalid->root->base + wdcTableOffset,
617 gxvalid->subtable_length, "just_wdcTable", odtect );
618 }
619
620 if ( pcTableOffset )
621 {
622 gxv_just_postcompTable_validate( gxvalid->root->base + pcTableOffset,
623 limit, gxvalid );
624 gxv_odtect_add_range( gxvalid->root->base + pcTableOffset,
625 gxvalid->subtable_length, "just_pcTable", odtect );
626 }
627
628 if ( justClassTableOffset )
629 {
630 gxv_just_justClassTable_validate(
631 gxvalid->root->base + justClassTableOffset, limit, gxvalid );
632 gxv_odtect_add_range( gxvalid->root->base + justClassTableOffset,
633 gxvalid->subtable_length, "just_justClassTable",
634 odtect );
635 }
636
637 gxv_odtect_validate( odtect, gxvalid );
638
639 GXV_EXIT;
640 }
641
642
643 FT_LOCAL_DEF( void )
644 gxv_just_validate( FT_Bytes table,
645 FT_Face face,
646 FT_Validator ftvalid )
647 {
648 FT_Bytes p = table;
649 FT_Bytes limit = 0;
650
651 GXV_ValidatorRec gxvalidrec;
652 GXV_Validator gxvalid = &gxvalidrec;
653 GXV_just_DataRec justrec;
654 GXV_just_Data just = &justrec;
655
656 FT_ULong version;
657 FT_UShort format;
658 FT_UShort horizOffset;
659 FT_UShort vertOffset;
660
661 GXV_ODTECT( 3, odtect );
662
663
664 GXV_ODTECT_INIT( odtect );
665
666 gxvalid->root = ftvalid;
667 gxvalid->table_data = just;
668 gxvalid->face = face;
669
670 FT_TRACE3(( "validating `just' table\n" ));
671 GXV_INIT;
672
673 limit = gxvalid->root->limit;
674
675 GXV_LIMIT_CHECK( 4 + 2 + 2 + 2 );
676 version = FT_NEXT_ULONG( p );
677 format = FT_NEXT_USHORT( p );
678 horizOffset = FT_NEXT_USHORT( p );
679 vertOffset = FT_NEXT_USHORT( p );
680 gxv_odtect_add_range( table, (FT_ULong)( p - table ),
681 "just header", odtect );
682
683
684 /* Version 1.0 (always:2000) */
685 GXV_TRACE(( " (version = 0x%08x)\n", version ));
686 if ( version != 0x00010000UL )
687 FT_INVALID_FORMAT;
688
689 /* format 0 (always:2000) */
690 GXV_TRACE(( " (format = 0x%04x)\n", format ));
691 if ( format != 0x0000 )
692 FT_INVALID_FORMAT;
693
694 GXV_TRACE(( " (horizOffset = %d)\n", horizOffset ));
695 GXV_TRACE(( " (vertOffset = %d)\n", vertOffset ));
696
697
698 /* validate justData */
699 if ( 0 < horizOffset )
700 {
701 gxv_just_justData_validate( table + horizOffset, limit, gxvalid );
702 gxv_odtect_add_range( table + horizOffset, gxvalid->subtable_length,
703 "horizJustData", odtect );
704 }
705
706 if ( 0 < vertOffset )
707 {
708 gxv_just_justData_validate( table + vertOffset, limit, gxvalid );
709 gxv_odtect_add_range( table + vertOffset, gxvalid->subtable_length,
710 "vertJustData", odtect );
711 }
712
713 gxv_odtect_validate( odtect, gxvalid );
714
715 FT_TRACE4(( "\n" ));
716 }
717
718
719/* END */
state
static int state
Definition: maze.c:121
NULL
#define NULL
Definition: types.h:112
face
WORD face[3]
Definition: mesh.c:4747
version
static const WCHAR version[]
Definition: asmname.c:66
FT_LOCAL_DEF
#define FT_LOCAL_DEF(x)
Definition: ftconfig.h:388
FT_UNUSED
#define FT_UNUSED(arg)
Definition: ftconfig.h:101
FT_TRACE3
#define FT_TRACE3(varformat)
Definition: ftdebug.h:160
FT_TRACE4
#define FT_TRACE4(varformat)
Definition: ftdebug.h:161
FT_NEXT_USHORT
#define FT_NEXT_USHORT(buffer)
Definition: ftstream.h:226
FT_NEXT_LONG
#define FT_NEXT_LONG(buffer)
Definition: ftstream.h:235
FT_NEXT_ULONG
#define FT_NEXT_ULONG(buffer)
Definition: ftstream.h:238
FT_ULong
unsigned long FT_ULong
Definition: fttypes.h:253
FT_Byte
unsigned char FT_Byte
Definition: fttypes.h:154
FT_Fixed
signed long FT_Fixed
Definition: fttypes.h:288
FT_UShort
unsigned short FT_UShort
Definition: fttypes.h:209
FT_String
char FT_String
Definition: fttypes.h:187
FT_UInt
unsigned int FT_UInt
Definition: fttypes.h:231
FT_Bytes
const FT_Byte * FT_Bytes
Definition: fttypes.h:165
FT_INVALID_FORMAT
#define FT_INVALID_FORMAT
Definition: ftvalid.h:142
FT_INVALID_OFFSET
#define FT_INVALID_OFFSET
Definition: ftvalid.h:138
FT_INVALID_DATA
#define FT_INVALID_DATA
Definition: ftvalid.h:150
FT_Validator
typedefFT_BEGIN_HEADER struct FT_ValidatorRec_ volatile * FT_Validator
Definition: ftvalid.h:42
FT_INVALID_GLYPH_ID
#define FT_INVALID_GLYPH_ID
Definition: ftvalid.h:146
count
GLuint GLuint GLsizei count
Definition: gl.h:1545
format
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: gl.h:1546
face
GLenum GLuint GLint GLenum face
Definition: glext.h:7025
limit
GLint limit
Definition: glext.h:10326
flags
GLbitfield flags
Definition: glext.h:7161
length
GLuint GLsizei GLsizei * length
Definition: glext.h:6040
p
GLfloat GLfloat p
Definition: glext.h:8902
order
GLuint GLdouble GLdouble GLint GLint order
Definition: glext.h:11194
i
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
gxv_StateTable_validate
gxv_StateTable_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvcommn.c:1208
gxv_LookupTable_validate
gxv_LookupTable_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvcommn.c:755
gxv_odtect_add_range
gxv_odtect_add_range(FT_Bytes start, FT_ULong length, const FT_String *name, GXV_odtect_Range odtect)
Definition: gxvcommn.c:1702
gxv_odtect_validate
gxv_odtect_validate(GXV_odtect_Range odtect, GXV_Validator gxvalid)
Definition: gxvcommn.c:1715
GXV_ODTECT
#define GXV_ODTECT(n, odtect)
Definition: gxvcommn.h:562
GXV_NAME_ENTER
#define GXV_NAME_ENTER(name)
Definition: gxvcommn.h:301
GXV_SET_ERR_IF_PARANOID
#define GXV_SET_ERR_IF_PARANOID(err)
Definition: gxvcommn.h:66
GXV_ODTECT_INIT
#define GXV_ODTECT_INIT(odtect)
Definition: gxvcommn.h:567
GXV_LOOKUPVALUE_UNSIGNED
@ GXV_LOOKUPVALUE_UNSIGNED
Definition: gxvcommn.h:100
GXV_TRACE
#define GXV_TRACE(s)
Definition: gxvcommn.h:304
GXV_INIT
#define GXV_INIT
Definition: gxvcommn.h:300
GXV_GLYPHOFFSET_NONE
@ GXV_GLYPHOFFSET_NONE
Definition: gxvcommn.h:122
IS_PARANOID_VALIDATION
#define IS_PARANOID_VALIDATION
Definition: gxvcommn.h:65
GXV_EXIT
#define GXV_EXIT
Definition: gxvcommn.h:302
GXV_LIMIT_CHECK
#define GXV_LIMIT_CHECK(_count)
Definition: gxvcommn.h:272
gxv_just_justData_lookuptable_validate
static void gxv_just_justData_lookuptable_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:555
GXV_JUST_DATA
#define GXV_JUST_DATA(a)
Definition: gxvjust.c:66
gxv_just_check_max_gid
static void gxv_just_check_max_gid(FT_UShort gid, const FT_String *msg_tag, GXV_Validator gxvalid)
Definition: gxvjust.c:71
GXV_just_DataRec
struct GXV_just_DataRec_ GXV_just_DataRec
gxv_just_actSubrecord_validate
static void gxv_just_actSubrecord_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:336
GXV_just_Data
struct GXV_just_DataRec_ * GXV_just_Data
gxv_just_pcLookupTable_validate
static void gxv_just_pcLookupTable_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:419
gxv_just_wdcTable_LookupValue_validate
static void gxv_just_wdcTable_LookupValue_validate(FT_UShort glyph, GXV_LookupValueCPtr value_p, GXV_Validator gxvalid)
Definition: gxvjust.c:541
gxv_just_actSubrecord_type2_validate
static void gxv_just_actSubrecord_type2_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:244
gxv_just_classTable_entry_validate
static void gxv_just_classTable_entry_validate(FT_Byte state, FT_UShort flags, GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:464
gxv_just_actSubrecord_type1_validate
static void gxv_just_actSubrecord_type1_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:226
gxv_just_validate
gxv_just_validate(FT_Bytes table, FT_Face face, FT_Validator ftvalid)
Definition: gxvjust.c:644
gxv_just_actSubrecord_type0_validate
static void gxv_just_actSubrecord_type0_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:178
gxv_just_justData_validate
static void gxv_just_justData_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:580
gxv_just_pcActionRecord_validate
static void gxv_just_pcActionRecord_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:379
gxv_just_wdc_entry_validate
static void gxv_just_wdc_entry_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:129
gxv_just_widthDeltaClusters_validate
static void gxv_just_widthDeltaClusters_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:151
gxv_just_actSubrecord_type4_validate
static void gxv_just_actSubrecord_type4_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:275
gxv_just_postcompTable_validate
static void gxv_just_postcompTable_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:442
gxv_just_pcTable_LookupValue_entry_validate
static void gxv_just_pcTable_LookupValue_entry_validate(FT_UShort glyph, GXV_LookupValueCPtr value_p, GXV_Validator gxvalid)
Definition: gxvjust.c:405
gxv_just_wdp_entry_validate
static void gxv_just_wdp_entry_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:86
gxv_just_actSubrecord_type5_validate
static void gxv_just_actSubrecord_type5_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:312
gxv_just_justClassTable_validate
static void gxv_just_justClassTable_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvjust.c:498
glyphs
static UINT UINT LPWORD glyphs
Definition: font.c:44
FT_FaceRec_
Definition: freetype.h:1069
FT_FaceRec_::num_glyphs
FT_Long num_glyphs
Definition: freetype.h:1076
GXV_StateTable_ValidatorRec_::entry_validate_func
GXV_StateTable_Entry_Validate_Func entry_validate_func
Definition: gxvcommn.h:185
GXV_StateTable_ValidatorRec_::subtable_setup_func
GXV_StateTable_Subtable_Setup_Func subtable_setup_func
Definition: gxvcommn.h:184
GXV_StateTable_ValidatorRec_::optdata
void * optdata
Definition: gxvcommn.h:182
GXV_StateTable_ValidatorRec_::entry_glyphoffset_fmt
GXV_GlyphOffset_Format entry_glyphoffset_fmt
Definition: gxvcommn.h:181
GXV_StateTable_ValidatorRec_::optdata_load_func
GXV_StateTable_OptData_Load_Func optdata_load_func
Definition: gxvcommn.h:186
GXV_ValidatorRec_
Definition: gxvcommn.h:238
GXV_ValidatorRec_::statetable
GXV_StateTable_ValidatorRec statetable
Definition: gxvcommn.h:254
GXV_ValidatorRec_::root
FT_Validator root
Definition: gxvcommn.h:239
GXV_ValidatorRec_::table_data
void * table_data
Definition: gxvcommn.h:242
GXV_ValidatorRec_::subtable_length
FT_ULong subtable_length
Definition: gxvcommn.h:244
GXV_ValidatorRec_::face
FT_Face face
Definition: gxvcommn.h:241
GXV_ValidatorRec_::lookupval_func
GXV_Lookup_Value_Validate_Func lookupval_func
Definition: gxvcommn.h:247
GXV_ValidatorRec_::lookupval_sign
GXV_LookupValue_SignSpec lookupval_sign
Definition: gxvcommn.h:246
GXV_just_DataRec_
Definition: gxvjust.c:57
GXV_just_DataRec_::wdc_offset_min
FT_UShort wdc_offset_min
Definition: gxvjust.c:59
GXV_just_DataRec_::wdc_offset_max
FT_UShort wdc_offset_max
Definition: gxvjust.c:58
GXV_just_DataRec_::pc_offset_max
FT_UShort pc_offset_max
Definition: gxvjust.c:60
GXV_just_DataRec_::pc_offset_min
FT_UShort pc_offset_min
Definition: gxvjust.c:61
GXV_LookupValueDesc_
Definition: gxvcommn.h:90
GXV_LookupValueDesc_::u
FT_UShort u
Definition: gxvcommn.h:91
GXV_StateTable_GlyphOffsetDesc_
Definition: gxvcommn.h:143