ReactOS 0.4.15-dev-7674-gc0b4db1
gxvkern.c
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1/***************************************************************************/
2/* */
3/* gxvkern.c */
4/* */
5/* TrueTypeGX/AAT kern table validation (body). */
6/* */
7/* Copyright 2004-2018 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#include FT_SERVICE_GX_VALIDATE_H
33
34
35 /*************************************************************************/
36 /* */
37 /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
38 /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
39 /* messages during execution. */
40 /* */
41#undef FT_COMPONENT
42#define FT_COMPONENT trace_gxvkern
43
44
45 /*************************************************************************/
46 /*************************************************************************/
47 /***** *****/
48 /***** Data and Types *****/
49 /***** *****/
50 /*************************************************************************/
51 /*************************************************************************/
52
53 typedef enum GXV_kern_Version_
54 {
56 KERN_VERSION_NEW = 0x0001
57
59
60
61 typedef enum GXV_kern_Dialect_
62 {
67
69
70
71 typedef struct GXV_kern_DataRec_
72 {
76
78
79
80#define GXV_KERN_DATA( field ) GXV_TABLE_DATA( kern, field )
81
82#define KERN_IS_CLASSIC( gxvalid ) \
83 ( KERN_VERSION_CLASSIC == GXV_KERN_DATA( version ) )
84#define KERN_IS_NEW( gxvalid ) \
85 ( KERN_VERSION_NEW == GXV_KERN_DATA( version ) )
86
87#define KERN_DIALECT( gxvalid ) \
88 GXV_KERN_DATA( dialect_request )
89#define KERN_ALLOWS_MS( gxvalid ) \
90 ( KERN_DIALECT( gxvalid ) & KERN_DIALECT_MS )
91#define KERN_ALLOWS_APPLE( gxvalid ) \
92 ( KERN_DIALECT( gxvalid ) & KERN_DIALECT_APPLE )
93
94#define GXV_KERN_HEADER_SIZE ( KERN_IS_NEW( gxvalid ) ? 8 : 4 )
95#define GXV_KERN_SUBTABLE_HEADER_SIZE ( KERN_IS_NEW( gxvalid ) ? 8 : 6 )
96
97
98 /*************************************************************************/
99 /*************************************************************************/
100 /***** *****/
101 /***** SUBTABLE VALIDATORS *****/
102 /***** *****/
103 /*************************************************************************/
104 /*************************************************************************/
105
106
107 /* ============================= format 0 ============================== */
108
109 static void
112 FT_UShort nPairs,
113 GXV_Validator gxvalid )
114 {
115 FT_Bytes p = table;
116 FT_UShort i;
117
118 FT_UShort last_gid_left = 0;
119 FT_UShort last_gid_right = 0;
120
121 FT_UNUSED( limit );
122
123
124 GXV_NAME_ENTER( "kern format 0 pairs" );
125
126 for ( i = 0; i < nPairs; i++ )
127 {
128 FT_UShort gid_left;
129 FT_UShort gid_right;
130#ifdef GXV_LOAD_UNUSED_VARS
131 FT_Short kernValue;
132#endif
133
134
135 /* left */
136 gid_left = FT_NEXT_USHORT( p );
137 gxv_glyphid_validate( gid_left, gxvalid );
138
139 /* right */
140 gid_right = FT_NEXT_USHORT( p );
141 gxv_glyphid_validate( gid_right, gxvalid );
142
143 /* Pairs of left and right GIDs must be unique and sorted. */
144 GXV_TRACE(( "left gid = %u, right gid = %u\n", gid_left, gid_right ));
145 if ( gid_left == last_gid_left )
146 {
147 if ( last_gid_right < gid_right )
148 last_gid_right = gid_right;
149 else
151 }
152 else if ( last_gid_left < gid_left )
153 {
154 last_gid_left = gid_left;
155 last_gid_right = gid_right;
156 }
157 else
159
160 /* skip the kern value */
161#ifdef GXV_LOAD_UNUSED_VARS
162 kernValue = FT_NEXT_SHORT( p );
163#else
164 p += 2;
165#endif
166 }
167
168 GXV_EXIT;
169 }
170
171 static void
174 GXV_Validator gxvalid )
175 {
177
178 FT_UShort nPairs;
179 FT_UShort unitSize;
180
181
182 GXV_NAME_ENTER( "kern subtable format 0" );
183
184 unitSize = 2 + 2 + 2;
185 nPairs = 0;
186
187 /* nPairs, searchRange, entrySelector, rangeShift */
188 GXV_LIMIT_CHECK( 2 + 2 + 2 + 2 );
189 gxv_BinSrchHeader_validate( p, limit, &unitSize, &nPairs, gxvalid );
190 p += 2 + 2 + 2 + 2;
191
192 gxv_kern_subtable_fmt0_pairs_validate( p, limit, nPairs, gxvalid );
193
194 GXV_EXIT;
195 }
196
197
198 /* ============================= format 1 ============================== */
199
200
202 {
205
207
208
209 static void
212 GXV_Validator gxvalid )
213 {
214 FT_Bytes p = table;
217
218
219 GXV_LIMIT_CHECK( 2 );
220 optdata->valueTable = FT_NEXT_USHORT( p );
221 }
222
223
224 /*
225 * passed tables_size covers whole StateTable, including kern fmt1 header
226 */
227 static void
229 FT_UShort classTable,
230 FT_UShort stateArray,
231 FT_UShort entryTable,
232 FT_UShort* classTable_length_p,
233 FT_UShort* stateArray_length_p,
234 FT_UShort* entryTable_length_p,
235 GXV_Validator gxvalid )
236 {
237 FT_UShort o[4];
238 FT_UShort *l[4];
239 FT_UShort buff[5];
240
243
244
245 o[0] = classTable;
246 o[1] = stateArray;
247 o[2] = entryTable;
248 o[3] = optdata->valueTable;
249 l[0] = classTable_length_p;
250 l[1] = stateArray_length_p;
251 l[2] = entryTable_length_p;
252 l[3] = &(optdata->valueTable_length);
253
255 }
256
257
258 /*
259 * passed table & limit are of whole StateTable, not including subtables
260 */
261 static void
265 GXV_StateTable_GlyphOffsetCPtr glyphOffset_p,
268 GXV_Validator gxvalid )
269 {
270#ifdef GXV_LOAD_UNUSED_VARS
272 FT_UShort dontAdvance;
273#endif
274 FT_UShort valueOffset;
275#ifdef GXV_LOAD_UNUSED_VARS
276 FT_UShort kernAction;
277 FT_UShort kernValue;
278#endif
279
280 FT_UNUSED( state );
281 FT_UNUSED( glyphOffset_p );
282
283
284#ifdef GXV_LOAD_UNUSED_VARS
285 push = (FT_UShort)( ( flags >> 15 ) & 1 );
286 dontAdvance = (FT_UShort)( ( flags >> 14 ) & 1 );
287#endif
288 valueOffset = (FT_UShort)( flags & 0x3FFF );
289
290 {
293 FT_Bytes p;
294
295
296 if ( valueOffset < vt_rec->valueTable )
298
299 p = table + valueOffset;
300 limit = table + vt_rec->valueTable + vt_rec->valueTable_length;
301
302 GXV_LIMIT_CHECK( 2 + 2 );
303#ifdef GXV_LOAD_UNUSED_VARS
304 kernAction = FT_NEXT_USHORT( p );
305 kernValue = FT_NEXT_USHORT( p );
306#endif
307 }
308 }
309
310
311 static void
314 GXV_Validator gxvalid )
315 {
316 FT_Bytes p = table;
318
319
320 GXV_NAME_ENTER( "kern subtable format 1" );
321
322 gxvalid->statetable.optdata =
323 &vt_rec;
332
333 gxv_StateTable_validate( p, limit, gxvalid );
334
335 GXV_EXIT;
336 }
337
338
339 /* ================ Data for Class-Based Subtables 2, 3 ================ */
340
342 {
345
347
348
349 /* ============================= format 2 ============================== */
350
351 /* ---------------------- format 2 specific data ----------------------- */
352
354 {
361
363
364
365#define GXV_KERN_FMT2_DATA( field ) \
366 ( ( (GXV_kern_subtable_fmt2_DataRec *) \
367 ( GXV_KERN_DATA( subtable_data ) ) )->field )
368
369
370 /* -------------------------- utility functions ----------------------- */
371
372 static void
376 GXV_Validator gxvalid )
377 {
378 const FT_String* tag = GXV_KERN_FMT2_DATA( class_tag[spec] );
379 GXV_odtect_Range odtect = GXV_KERN_FMT2_DATA( odtect );
380
381 FT_Bytes p = table;
383 FT_UShort nGlyphs;
384
385
386 GXV_NAME_ENTER( "kern format 2 classTable" );
387
388 GXV_LIMIT_CHECK( 2 + 2 );
390 nGlyphs = FT_NEXT_USHORT( p );
391 GXV_TRACE(( " %s firstGlyph=%d, nGlyphs=%d\n",
392 tag, firstGlyph, nGlyphs ));
393
395 gxv_glyphid_validate( (FT_UShort)( firstGlyph + nGlyphs - 1 ), gxvalid );
396
397 gxv_array_getlimits_ushort( p, p + ( 2 * nGlyphs ),
398 &( GXV_KERN_FMT2_DATA( offset_min[spec] ) ),
399 &( GXV_KERN_FMT2_DATA( offset_max[spec] ) ),
400 gxvalid );
401
402 gxv_odtect_add_range( table, 2 * nGlyphs, tag, odtect );
403
404 GXV_EXIT;
405 }
406
407
408 static void
411 GXV_Validator gxvalid )
412 {
413 GXV_ODTECT( 3, odtect );
415 { 0, 0, { 0, 0 }, { 0, 0 }, { "leftClass", "rightClass" }, NULL };
416
418 FT_UShort leftOffsetTable;
419 FT_UShort rightOffsetTable;
420
421
422 GXV_NAME_ENTER( "kern subtable format 2" );
423
424 GXV_ODTECT_INIT( odtect );
425 fmt2_rec.odtect = odtect;
426 GXV_KERN_DATA( subtable_data ) = &fmt2_rec;
427
428 GXV_LIMIT_CHECK( 2 + 2 + 2 + 2 );
429 GXV_KERN_FMT2_DATA( rowWidth ) = FT_NEXT_USHORT( p );
430 leftOffsetTable = FT_NEXT_USHORT( p );
431 rightOffsetTable = FT_NEXT_USHORT( p );
433
434 GXV_TRACE(( "rowWidth = %d\n", GXV_KERN_FMT2_DATA( rowWidth ) ));
435
436
437 GXV_LIMIT_CHECK( leftOffsetTable );
438 GXV_LIMIT_CHECK( rightOffsetTable );
440
442 GXV_KERN_CLS_L, gxvalid );
443
445 GXV_KERN_CLS_R, gxvalid );
446
447 if ( GXV_KERN_FMT2_DATA( offset_min[GXV_KERN_CLS_L] ) +
451
454 + GXV_KERN_FMT2_DATA( offset_max[GXV_KERN_CLS_R] )
456 "array", odtect );
457
458 gxv_odtect_validate( odtect, gxvalid );
459
460 GXV_EXIT;
461 }
462
463
464 /* ============================= format 3 ============================== */
465
466 static void
469 GXV_Validator gxvalid )
470 {
472 FT_UShort glyphCount;
473 FT_Byte kernValueCount;
474 FT_Byte leftClassCount;
475 FT_Byte rightClassCount;
477
478
479 GXV_NAME_ENTER( "kern subtable format 3" );
480
481 GXV_LIMIT_CHECK( 2 + 1 + 1 + 1 + 1 );
482 glyphCount = FT_NEXT_USHORT( p );
483 kernValueCount = FT_NEXT_BYTE( p );
484 leftClassCount = FT_NEXT_BYTE( p );
485 rightClassCount = FT_NEXT_BYTE( p );
486 flags = FT_NEXT_BYTE( p );
487
488 if ( gxvalid->face->num_glyphs != glyphCount )
489 {
490 GXV_TRACE(( "maxGID=%d, but glyphCount=%d\n",
491 gxvalid->face->num_glyphs, glyphCount ));
493 }
494
495 if ( flags != 0 )
496 GXV_TRACE(( "kern subtable fmt3 has nonzero value"
497 " (%d) in unused flag\n", flags ));
498 /*
499 * just skip kernValue[kernValueCount]
500 */
501 GXV_LIMIT_CHECK( 2 * kernValueCount );
502 p += 2 * kernValueCount;
503
504 /*
505 * check leftClass[gid] < leftClassCount
506 */
507 {
508 FT_Byte min, max;
509
510
511 GXV_LIMIT_CHECK( glyphCount );
512 gxv_array_getlimits_byte( p, p + glyphCount, &min, &max, gxvalid );
513 p += gxvalid->subtable_length;
514
515 if ( leftClassCount < max )
517 }
518
519 /*
520 * check rightClass[gid] < rightClassCount
521 */
522 {
523 FT_Byte min, max;
524
525
526 GXV_LIMIT_CHECK( glyphCount );
527 gxv_array_getlimits_byte( p, p + glyphCount, &min, &max, gxvalid );
528 p += gxvalid->subtable_length;
529
530 if ( rightClassCount < max )
532 }
533
534 /*
535 * check kernIndex[i, j] < kernValueCount
536 */
537 {
538 FT_UShort i, j;
539
540
541 for ( i = 0; i < leftClassCount; i++ )
542 {
543 for ( j = 0; j < rightClassCount; j++ )
544 {
545 GXV_LIMIT_CHECK( 1 );
546 if ( kernValueCount < FT_NEXT_BYTE( p ) )
548 }
549 }
550 }
551
552 gxvalid->subtable_length = (FT_ULong)( p - table );
553
554 GXV_EXIT;
555 }
556
557
558 static FT_Bool
561 GXV_Validator gxvalid )
562 {
563 /* new Apple-dialect */
564#ifdef GXV_LOAD_TRACE_VARS
565 FT_Bool kernVertical;
566 FT_Bool kernCrossStream;
567 FT_Bool kernVariation;
568#endif
569
570 FT_UNUSED( gxvalid );
571
572
573 /* reserved bits = 0 */
574 if ( coverage & 0x1FFC )
575 return FALSE;
576
577#ifdef GXV_LOAD_TRACE_VARS
578 kernVertical = FT_BOOL( ( coverage >> 15 ) & 1 );
579 kernCrossStream = FT_BOOL( ( coverage >> 14 ) & 1 );
580 kernVariation = FT_BOOL( ( coverage >> 13 ) & 1 );
581#endif
582
583 *format = (FT_UShort)( coverage & 0x0003 );
584
585 GXV_TRACE(( "new Apple-dialect: "
586 "horizontal=%d, cross-stream=%d, variation=%d, format=%d\n",
587 !kernVertical, kernCrossStream, kernVariation, *format ));
588
589 GXV_TRACE(( "kerning values in Apple format subtable are ignored\n" ));
590
591 return TRUE;
592 }
593
594
595 static FT_Bool
598 GXV_Validator gxvalid )
599 {
600 /* classic Apple-dialect */
601#ifdef GXV_LOAD_TRACE_VARS
602 FT_Bool horizontal;
603 FT_Bool cross_stream;
604#endif
605
606
607 /* check expected flags, but don't check if MS-dialect is impossible */
608 if ( !( coverage & 0xFD00 ) && KERN_ALLOWS_MS( gxvalid ) )
609 return FALSE;
610
611 /* reserved bits = 0 */
612 if ( coverage & 0x02FC )
613 return FALSE;
614
615#ifdef GXV_LOAD_TRACE_VARS
616 horizontal = FT_BOOL( ( coverage >> 15 ) & 1 );
617 cross_stream = FT_BOOL( ( coverage >> 13 ) & 1 );
618#endif
619
620 *format = (FT_UShort)( coverage & 0x0003 );
621
622 GXV_TRACE(( "classic Apple-dialect: "
623 "horizontal=%d, cross-stream=%d, format=%d\n",
624 horizontal, cross_stream, *format ));
625
626 /* format 1 requires GX State Machine, too new for classic */
627 if ( *format == 1 )
628 return FALSE;
629
630 GXV_TRACE(( "kerning values in Apple format subtable are ignored\n" ));
631
632 return TRUE;
633 }
634
635
636 static FT_Bool
639 GXV_Validator gxvalid )
640 {
641 /* classic Microsoft-dialect */
642#ifdef GXV_LOAD_TRACE_VARS
643 FT_Bool horizontal;
644 FT_Bool minimum;
645 FT_Bool cross_stream;
646 FT_Bool override;
647#endif
648
649 FT_UNUSED( gxvalid );
650
651
652 /* reserved bits = 0 */
653 if ( coverage & 0xFDF0 )
654 return FALSE;
655
656#ifdef GXV_LOAD_TRACE_VARS
657 horizontal = FT_BOOL( coverage & 1 );
658 minimum = FT_BOOL( ( coverage >> 1 ) & 1 );
659 cross_stream = FT_BOOL( ( coverage >> 2 ) & 1 );
660 override = FT_BOOL( ( coverage >> 3 ) & 1 );
661#endif
662
663 *format = (FT_UShort)( ( coverage >> 8 ) & 0x0003 );
664
665 GXV_TRACE(( "classic Microsoft-dialect: "
666 "horizontal=%d, minimum=%d, cross-stream=%d, "
667 "override=%d, format=%d\n",
668 horizontal, minimum, cross_stream, override, *format ));
669
670 if ( *format == 2 )
671 GXV_TRACE((
672 "kerning values in Microsoft format 2 subtable are ignored\n" ));
673
674 return TRUE;
675 }
676
677
678 /*************************************************************************/
679 /*************************************************************************/
680 /***** *****/
681 /***** MAIN *****/
682 /***** *****/
683 /*************************************************************************/
684 /*************************************************************************/
685
686 static GXV_kern_Dialect
689 GXV_Validator gxvalid )
690 {
692
693
694 GXV_NAME_ENTER( "validating coverage" );
695
696 GXV_TRACE(( "interpret coverage 0x%04x by Apple style\n", coverage ));
697
698 if ( KERN_IS_NEW( gxvalid ) )
699 {
701 format,
702 gxvalid ) )
703 {
705 goto Exit;
706 }
707 }
708
709 if ( KERN_IS_CLASSIC( gxvalid ) && KERN_ALLOWS_APPLE( gxvalid ) )
710 {
712 format,
713 gxvalid ) )
714 {
716 goto Exit;
717 }
718 }
719
720 if ( KERN_IS_CLASSIC( gxvalid ) && KERN_ALLOWS_MS( gxvalid ) )
721 {
723 format,
724 gxvalid ) )
725 {
727 goto Exit;
728 }
729 }
730
731 GXV_TRACE(( "cannot interpret coverage, broken kern subtable\n" ));
732
733 Exit:
734 GXV_EXIT;
735 return result;
736 }
737
738
739 static void
742 GXV_Validator gxvalid )
743 {
744 FT_Bytes p = table;
745#ifdef GXV_LOAD_TRACE_VARS
746 FT_UShort version = 0; /* MS only: subtable version, unused */
747#endif
748 FT_ULong length; /* MS: 16bit, Apple: 32bit*/
749 FT_UShort coverage;
750#ifdef GXV_LOAD_TRACE_VARS
751 FT_UShort tupleIndex = 0; /* Apple only */
752#endif
753 FT_UShort u16[2];
754 FT_UShort format = 255; /* subtable format */
755
756
757 GXV_NAME_ENTER( "kern subtable" );
758
759 GXV_LIMIT_CHECK( 2 + 2 + 2 );
760 u16[0] = FT_NEXT_USHORT( p ); /* Apple: length_hi MS: version */
761 u16[1] = FT_NEXT_USHORT( p ); /* Apple: length_lo MS: length */
762 coverage = FT_NEXT_USHORT( p );
763
764 switch ( gxv_kern_coverage_validate( coverage, &format, gxvalid ) )
765 {
766 case KERN_DIALECT_MS:
767#ifdef GXV_LOAD_TRACE_VARS
768 version = u16[0];
769#endif
770 length = u16[1];
771#ifdef GXV_LOAD_TRACE_VARS
772 tupleIndex = 0;
773#endif
774 GXV_TRACE(( "Subtable version = %d\n", version ));
775 GXV_TRACE(( "Subtable length = %d\n", length ));
776 break;
777
779#ifdef GXV_LOAD_TRACE_VARS
780 version = 0;
781#endif
782 length = ( (FT_ULong)u16[0] << 16 ) + u16[1];
783#ifdef GXV_LOAD_TRACE_VARS
784 tupleIndex = 0;
785#endif
786 GXV_TRACE(( "Subtable length = %d\n", length ));
787
788 if ( KERN_IS_NEW( gxvalid ) )
789 {
790 GXV_LIMIT_CHECK( 2 );
791#ifdef GXV_LOAD_TRACE_VARS
792 tupleIndex = FT_NEXT_USHORT( p );
793#else
794 p += 2;
795#endif
796 GXV_TRACE(( "Subtable tupleIndex = %d\n", tupleIndex ));
797 }
798 break;
799
800 default:
801 length = u16[1];
802 GXV_TRACE(( "cannot detect subtable dialect, "
803 "just skip %d byte\n", length ));
804 goto Exit;
805 }
806
807 /* formats 1, 2, 3 require the position of the start of this subtable */
808 if ( format == 0 )
810 else if ( format == 1 )
812 else if ( format == 2 )
814 else if ( format == 3 )
816 else
818
819 Exit:
820 gxvalid->subtable_length = length;
821 GXV_EXIT;
822 }
823
824
825 /*************************************************************************/
826 /*************************************************************************/
827 /***** *****/
828 /***** kern TABLE *****/
829 /***** *****/
830 /*************************************************************************/
831 /*************************************************************************/
832
833 static void
836 FT_Bool classic_only,
837 GXV_kern_Dialect dialect_request,
838 FT_Validator ftvalid )
839 {
840 GXV_ValidatorRec gxvalidrec;
841 GXV_Validator gxvalid = &gxvalidrec;
842
843 GXV_kern_DataRec kernrec;
844 GXV_kern_Data kern = &kernrec;
845
846 FT_Bytes p = table;
847 FT_Bytes limit = 0;
848
849 FT_ULong nTables = 0;
850 FT_UInt i;
851
852
853 gxvalid->root = ftvalid;
854 gxvalid->table_data = kern;
855 gxvalid->face = face;
856
857 FT_TRACE3(( "validating `kern' table\n" ));
858 GXV_INIT;
859 KERN_DIALECT( gxvalid ) = dialect_request;
860
861 GXV_LIMIT_CHECK( 2 );
863 GXV_TRACE(( "version 0x%04x (higher 16bit)\n",
865
866 if ( 0x0001 < GXV_KERN_DATA( version ) )
868 else if ( KERN_IS_CLASSIC( gxvalid ) )
869 {
870 GXV_LIMIT_CHECK( 2 );
871 nTables = FT_NEXT_USHORT( p );
872 }
873 else if ( KERN_IS_NEW( gxvalid ) )
874 {
875 if ( classic_only )
877
878 if ( 0x0000 != FT_NEXT_USHORT( p ) )
880
881 GXV_LIMIT_CHECK( 4 );
882 nTables = FT_NEXT_ULONG( p );
883 }
884
885 for ( i = 0; i < nTables; i++ )
886 {
887 GXV_TRACE(( "validating subtable %d/%d\n", i, nTables ));
888 /* p should be 32bit-aligned? */
889 gxv_kern_subtable_validate( p, 0, gxvalid );
890 p += gxvalid->subtable_length;
891 }
892
893 FT_TRACE4(( "\n" ));
894 }
895
896
897 FT_LOCAL_DEF( void )
900 FT_Validator ftvalid )
901 {
903 }
904
905
906 FT_LOCAL_DEF( void )
909 FT_Int dialect_flags,
910 FT_Validator ftvalid )
911 {
912 GXV_kern_Dialect dialect_request;
913
914
915 dialect_request = (GXV_kern_Dialect)dialect_flags;
916 gxv_kern_validate_generic( table, face, 1, dialect_request, ftvalid );
917 }
918
919
920/* END */
static int state
Definition: maze.c:121
USHORT u16
Definition: btrfs.h:13
r l[0]
Definition: byte_order.h:168
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
WORD face[3]
Definition: mesh.c:4747
static const WCHAR version[]
Definition: asmname.c:66
static unsigned char buff[32768]
Definition: fatten.c:17
#define FT_LOCAL_DEF(x)
Definition: ftconfig.h:388
#define FT_UNUSED(arg)
Definition: ftconfig.h:101
#define FT_TRACE3(varformat)
Definition: ftdebug.h:160
#define FT_TRACE4(varformat)
Definition: ftdebug.h:161
#define FT_VALIDATE_APPLE
Definition: ftgxval.h:279
#define FT_VALIDATE_CKERN
Definition: ftgxval.h:281
#define FT_VALIDATE_MS
Definition: ftgxval.h:278
#define FT_NEXT_USHORT(buffer)
Definition: ftstream.h:226
#define FT_NEXT_SHORT(buffer)
Definition: ftstream.h:223
#define FT_NEXT_ULONG(buffer)
Definition: ftstream.h:238
#define FT_NEXT_BYTE(buffer)
Definition: ftstream.h:220
FT_BEGIN_HEADER typedef unsigned char FT_Bool
Definition: fttypes.h:108
unsigned long FT_ULong
Definition: fttypes.h:253
unsigned char FT_Byte
Definition: fttypes.h:154
unsigned short FT_UShort
Definition: fttypes.h:209
char FT_String
Definition: fttypes.h:187
signed short FT_Short
Definition: fttypes.h:198
unsigned int FT_UInt
Definition: fttypes.h:231
const FT_Byte * FT_Bytes
Definition: fttypes.h:165
#define FT_BOOL(x)
Definition: fttypes.h:578
signed int FT_Int
Definition: fttypes.h:220
#define FT_INVALID_FORMAT
Definition: ftvalid.h:142
#define FT_INVALID_OFFSET
Definition: ftvalid.h:138
#define FT_INVALID_DATA
Definition: ftvalid.h:150
typedefFT_BEGIN_HEADER struct FT_ValidatorRec_ volatile * FT_Validator
Definition: ftvalid.h:42
#define FT_INVALID_GLYPH_ID
Definition: ftvalid.h:146
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: gl.h:1546
GLenum GLuint GLint GLenum face
Definition: glext.h:7025
GLint limit
Definition: glext.h:10326
GLbitfield flags
Definition: glext.h:7161
GLuint GLsizei GLsizei * length
Definition: glext.h:6040
GLenum const GLvoid GLbitfield GLuint firstGlyph
Definition: glext.h:11716
GLfloat GLfloat p
Definition: glext.h:8902
GLuint64EXT * result
Definition: glext.h:11304
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
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 GLint GLint j
Definition: glfuncs.h:250
gxv_array_getlimits_byte(FT_Bytes table, FT_Bytes limit, FT_Byte *min, FT_Byte *max, GXV_Validator gxvalid)
Definition: gxvcommn.c:181
gxv_BinSrchHeader_validate(FT_Bytes table, FT_Bytes limit, FT_UShort *unitSize_p, FT_UShort *nUnits_p, GXV_Validator gxvalid)
Definition: gxvcommn.c:328
gxv_array_getlimits_ushort(FT_Bytes table, FT_Bytes limit, FT_UShort *min, FT_UShort *max, GXV_Validator gxvalid)
Definition: gxvcommn.c:210
gxv_set_length_by_ushort_offset(FT_UShort *offset, FT_UShort **length, FT_UShort *buff, FT_UInt nmemb, FT_UShort limit, GXV_Validator gxvalid)
Definition: gxvcommn.c:63
gxv_StateTable_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvcommn.c:1208
gxv_odtect_add_range(FT_Bytes start, FT_ULong length, const FT_String *name, GXV_odtect_Range odtect)
Definition: gxvcommn.c:1702
gxv_glyphid_validate(FT_UShort gid, GXV_Validator gxvalid)
Definition: gxvcommn.c:813
gxv_odtect_validate(GXV_odtect_Range odtect, GXV_Validator gxvalid)
Definition: gxvcommn.c:1715
#define GXV_ODTECT(n, odtect)
Definition: gxvcommn.h:562
#define GXV_NAME_ENTER(name)
Definition: gxvcommn.h:301
#define GXV_SET_ERR_IF_PARANOID(err)
Definition: gxvcommn.h:66
#define GXV_ODTECT_INIT(odtect)
Definition: gxvcommn.h:567
#define GXV_TRACE(s)
Definition: gxvcommn.h:304
#define GXV_INIT
Definition: gxvcommn.h:300
@ GXV_GLYPHOFFSET_NONE
Definition: gxvcommn.h:122
#define GXV_EXIT
Definition: gxvcommn.h:302
#define GXV_LIMIT_CHECK(_count)
Definition: gxvcommn.h:272
struct GXV_kern_DataRec_ * GXV_kern_Data
#define KERN_IS_CLASSIC(gxvalid)
Definition: gxvkern.c:82
GXV_kern_Dialect_
Definition: gxvkern.c:62
@ KERN_DIALECT_MS
Definition: gxvkern.c:64
@ KERN_DIALECT_APPLE
Definition: gxvkern.c:65
@ KERN_DIALECT_UNKNOWN
Definition: gxvkern.c:63
@ KERN_DIALECT_ANY
Definition: gxvkern.c:66
GXV_kern_ClassSpec_
Definition: gxvkern.c:342
@ GXV_KERN_CLS_R
Definition: gxvkern.c:344
@ GXV_KERN_CLS_L
Definition: gxvkern.c:343
GXV_kern_Version_
Definition: gxvkern.c:54
@ KERN_VERSION_CLASSIC
Definition: gxvkern.c:55
@ KERN_VERSION_NEW
Definition: gxvkern.c:56
static void gxv_kern_subtable_fmt1_entry_validate(FT_Byte state, FT_UShort flags, GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvkern.c:262
static void gxv_kern_subtable_fmt2_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvkern.c:409
struct GXV_kern_fmt1_StateOptRec_ GXV_kern_fmt1_StateOptRec
static FT_Bool gxv_kern_coverage_classic_apple_validate(FT_UShort coverage, FT_UShort *format, GXV_Validator gxvalid)
Definition: gxvkern.c:596
struct GXV_kern_DataRec_ GXV_kern_DataRec
static FT_Bool gxv_kern_coverage_new_apple_validate(FT_UShort coverage, FT_UShort *format, GXV_Validator gxvalid)
Definition: gxvkern.c:559
#define KERN_ALLOWS_MS(gxvalid)
Definition: gxvkern.c:89
static void gxv_kern_subtable_fmt3_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvkern.c:467
static void gxv_kern_validate_generic(FT_Bytes table, FT_Face face, FT_Bool classic_only, GXV_kern_Dialect dialect_request, FT_Validator ftvalid)
Definition: gxvkern.c:834
enum GXV_kern_Version_ GXV_kern_Version
gxv_kern_validate_classic(FT_Bytes table, FT_Face face, FT_Int dialect_flags, FT_Validator ftvalid)
Definition: gxvkern.c:907
struct GXV_kern_subtable_fmt2_DataRec_ * GXV_kern_subtable_fmt2_Data
enum GXV_kern_ClassSpec_ GXV_kern_ClassSpec
#define KERN_IS_NEW(gxvalid)
Definition: gxvkern.c:84
static void gxv_kern_subtable_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvkern.c:740
#define GXV_KERN_SUBTABLE_HEADER_SIZE
Definition: gxvkern.c:95
#define KERN_DIALECT(gxvalid)
Definition: gxvkern.c:87
static void gxv_kern_subtable_fmt0_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvkern.c:172
#define KERN_ALLOWS_APPLE(gxvalid)
Definition: gxvkern.c:91
static void gxv_kern_subtable_fmt1_subtable_setup(FT_UShort table_size, FT_UShort classTable, FT_UShort stateArray, FT_UShort entryTable, FT_UShort *classTable_length_p, FT_UShort *stateArray_length_p, FT_UShort *entryTable_length_p, GXV_Validator gxvalid)
Definition: gxvkern.c:228
static void gxv_kern_subtable_fmt2_clstbl_validate(FT_Bytes table, FT_Bytes limit, GXV_kern_ClassSpec spec, GXV_Validator gxvalid)
Definition: gxvkern.c:373
static FT_Bool gxv_kern_coverage_classic_microsoft_validate(FT_UShort coverage, FT_UShort *format, GXV_Validator gxvalid)
Definition: gxvkern.c:637
static void gxv_kern_subtable_fmt1_valueTable_load(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvkern.c:210
enum GXV_kern_Dialect_ GXV_kern_Dialect
gxv_kern_validate(FT_Bytes table, FT_Face face, FT_Validator ftvalid)
Definition: gxvkern.c:898
static void gxv_kern_subtable_fmt0_pairs_validate(FT_Bytes table, FT_Bytes limit, FT_UShort nPairs, GXV_Validator gxvalid)
Definition: gxvkern.c:110
#define GXV_KERN_DATA(field)
Definition: gxvkern.c:80
static GXV_kern_Dialect gxv_kern_coverage_validate(FT_UShort coverage, FT_UShort *format, GXV_Validator gxvalid)
Definition: gxvkern.c:687
static void gxv_kern_subtable_fmt1_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvkern.c:312
#define GXV_KERN_FMT2_DATA(field)
Definition: gxvkern.c:365
struct GXV_kern_fmt1_StateOptRec_ * GXV_kern_fmt1_StateOptRecData
struct GXV_kern_subtable_fmt2_DataRec_ GXV_kern_subtable_fmt2_DataRec
if(dx< 0)
Definition: linetemp.h:194
#define min(a, b)
Definition: monoChain.cc:55
static void push(calc_node_t *op)
Definition: rpn_ieee.c:113
LOCAL int table_size
Definition: write.c:65
static void Exit(void)
Definition: sock.c:1330
FT_Long num_glyphs
Definition: freetype.h:1076
GXV_StateTable_Entry_Validate_Func entry_validate_func
Definition: gxvcommn.h:185
GXV_StateTable_Subtable_Setup_Func subtable_setup_func
Definition: gxvcommn.h:184
GXV_GlyphOffset_Format entry_glyphoffset_fmt
Definition: gxvcommn.h:181
GXV_StateTable_OptData_Load_Func optdata_load_func
Definition: gxvcommn.h:186
GXV_StateTable_ValidatorRec statetable
Definition: gxvcommn.h:254
FT_Validator root
Definition: gxvcommn.h:239
void * table_data
Definition: gxvcommn.h:242
FT_ULong subtable_length
Definition: gxvcommn.h:244
GXV_kern_Dialect dialect_request
Definition: gxvkern.c:75
void * subtable_data
Definition: gxvkern.c:74
GXV_kern_Version version
Definition: gxvkern.c:73
FT_UShort valueTable_length
Definition: gxvkern.c:204
GXV_odtect_Range odtect
Definition: gxvkern.c:360
const FT_String * class_tag[2]
Definition: gxvkern.c:359
Definition: ecma_167.h:138
#define max(a, b)
Definition: svc.c:63