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tttypes.h
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1/***************************************************************************/
2/* */
3/* tttypes.h */
4/* */
5/* Basic SFNT/TrueType type definitions and interface (specification */
6/* only). */
7/* */
8/* Copyright 1996-2018 by */
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#ifndef TTTYPES_H_
21#define TTTYPES_H_
22
23
24#include <ft2build.h>
25#include FT_TRUETYPE_TABLES_H
26#include FT_INTERNAL_OBJECTS_H
27
28#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
29#include FT_MULTIPLE_MASTERS_H
30#endif
31
32
33FT_BEGIN_HEADER
34
35
36 /*************************************************************************/
37 /*************************************************************************/
38 /*************************************************************************/
39 /*** ***/
40 /*** ***/
41 /*** REQUIRED TRUETYPE/OPENTYPE TABLES DEFINITIONS ***/
42 /*** ***/
43 /*** ***/
44 /*************************************************************************/
45 /*************************************************************************/
46 /*************************************************************************/
47
48
49 /*************************************************************************/
50 /* */
51 /* <Struct> */
52 /* TTC_HeaderRec */
53 /* */
54 /* <Description> */
55 /* TrueType collection header. This table contains the offsets of */
56 /* the font headers of each distinct TrueType face in the file. */
57 /* */
58 /* <Fields> */
59 /* tag :: Must be `ttc ' to indicate a TrueType collection. */
60 /* */
61 /* version :: The version number. */
62 /* */
63 /* count :: The number of faces in the collection. The */
64 /* specification says this should be an unsigned long, but */
65 /* we use a signed long since we need the value -1 for */
66 /* specific purposes. */
67 /* */
68 /* offsets :: The offsets of the font headers, one per face. */
69 /* */
70 typedef struct TTC_HeaderRec_
71 {
72 FT_ULong tag;
73 FT_Fixed version;
74 FT_Long count;
75 FT_ULong* offsets;
76
77 } TTC_HeaderRec;
78
79
80 /*************************************************************************/
81 /* */
82 /* <Struct> */
83 /* SFNT_HeaderRec */
84 /* */
85 /* <Description> */
86 /* SFNT file format header. */
87 /* */
88 /* <Fields> */
89 /* format_tag :: The font format tag. */
90 /* */
91 /* num_tables :: The number of tables in file. */
92 /* */
93 /* search_range :: Must be `16 * (max power of 2 <= num_tables)'. */
94 /* */
95 /* entry_selector :: Must be log2 of `search_range / 16'. */
96 /* */
97 /* range_shift :: Must be `num_tables * 16 - search_range'. */
98 /* */
99 typedef struct SFNT_HeaderRec_
100 {
101 FT_ULong format_tag;
102 FT_UShort num_tables;
103 FT_UShort search_range;
104 FT_UShort entry_selector;
105 FT_UShort range_shift;
106
107 FT_ULong offset; /* not in file */
108
109 } SFNT_HeaderRec, *SFNT_Header;
110
111
112 /*************************************************************************/
113 /* */
114 /* <Struct> */
115 /* TT_TableRec */
116 /* */
117 /* <Description> */
118 /* This structure describes a given table of a TrueType font. */
119 /* */
120 /* <Fields> */
121 /* Tag :: A four-bytes tag describing the table. */
122 /* */
123 /* CheckSum :: The table checksum. This value can be ignored. */
124 /* */
125 /* Offset :: The offset of the table from the start of the TrueType */
126 /* font in its resource. */
127 /* */
128 /* Length :: The table length (in bytes). */
129 /* */
130 typedef struct TT_TableRec_
131 {
132 FT_ULong Tag; /* table type */
133 FT_ULong CheckSum; /* table checksum */
134 FT_ULong Offset; /* table file offset */
135 FT_ULong Length; /* table length */
136
137 } TT_TableRec, *TT_Table;
138
139
140 /*************************************************************************/
141 /* */
142 /* <Struct> */
143 /* WOFF_HeaderRec */
144 /* */
145 /* <Description> */
146 /* WOFF file format header. */
147 /* */
148 /* <Fields> */
149 /* See */
150 /* */
151 /* https://www.w3.org/TR/WOFF/#WOFFHeader */
152 /* */
153 typedef struct WOFF_HeaderRec_
154 {
155 FT_ULong signature;
156 FT_ULong flavor;
157 FT_ULong length;
158 FT_UShort num_tables;
159 FT_UShort reserved;
160 FT_ULong totalSfntSize;
161 FT_UShort majorVersion;
162 FT_UShort minorVersion;
163 FT_ULong metaOffset;
164 FT_ULong metaLength;
165 FT_ULong metaOrigLength;
166 FT_ULong privOffset;
167 FT_ULong privLength;
168
169 } WOFF_HeaderRec, *WOFF_Header;
170
171
172 /*************************************************************************/
173 /* */
174 /* <Struct> */
175 /* WOFF_TableRec */
176 /* */
177 /* <Description> */
178 /* This structure describes a given table of a WOFF font. */
179 /* */
180 /* <Fields> */
181 /* Tag :: A four-bytes tag describing the table. */
182 /* */
183 /* Offset :: The offset of the table from the start of the WOFF */
184 /* font in its resource. */
185 /* */
186 /* CompLength :: Compressed table length (in bytes). */
187 /* */
188 /* OrigLength :: Uncompressed table length (in bytes). */
189 /* */
190 /* CheckSum :: The table checksum. This value can be ignored. */
191 /* */
192 /* OrigOffset :: The uncompressed table file offset. This value gets */
193 /* computed while constructing the (uncompressed) SFNT */
194 /* header. It is not contained in the WOFF file. */
195 /* */
196 typedef struct WOFF_TableRec_
197 {
198 FT_ULong Tag; /* table ID */
199 FT_ULong Offset; /* table file offset */
200 FT_ULong CompLength; /* compressed table length */
201 FT_ULong OrigLength; /* uncompressed table length */
202 FT_ULong CheckSum; /* uncompressed checksum */
203
204 FT_ULong OrigOffset; /* uncompressed table file offset */
205 /* (not in the WOFF file) */
206 } WOFF_TableRec, *WOFF_Table;
207
208
209 /*************************************************************************/
210 /* */
211 /* <Struct> */
212 /* TT_LongMetricsRec */
213 /* */
214 /* <Description> */
215 /* A structure modeling the long metrics of the `hmtx' and `vmtx' */
216 /* TrueType tables. The values are expressed in font units. */
217 /* */
218 /* <Fields> */
219 /* advance :: The advance width or height for the glyph. */
220 /* */
221 /* bearing :: The left-side or top-side bearing for the glyph. */
222 /* */
223 typedef struct TT_LongMetricsRec_
224 {
225 FT_UShort advance;
226 FT_Short bearing;
227
228 } TT_LongMetricsRec, *TT_LongMetrics;
229
230
231 /*************************************************************************/
232 /* */
233 /* <Type> */
234 /* TT_ShortMetrics */
235 /* */
236 /* <Description> */
237 /* A simple type to model the short metrics of the `hmtx' and `vmtx' */
238 /* tables. */
239 /* */
240 typedef FT_Short TT_ShortMetrics;
241
242
243 /*************************************************************************/
244 /* */
245 /* <Struct> */
246 /* TT_NameRec */
247 /* */
248 /* <Description> */
249 /* A structure modeling TrueType name records. Name records are used */
250 /* to store important strings like family name, style name, */
251 /* copyright, etc. in _localized_ versions (i.e., language, encoding, */
252 /* etc). */
253 /* */
254 /* <Fields> */
255 /* platformID :: The ID of the name's encoding platform. */
256 /* */
257 /* encodingID :: The platform-specific ID for the name's encoding. */
258 /* */
259 /* languageID :: The platform-specific ID for the name's language. */
260 /* */
261 /* nameID :: The ID specifying what kind of name this is. */
262 /* */
263 /* stringLength :: The length of the string in bytes. */
264 /* */
265 /* stringOffset :: The offset to the string in the `name' table. */
266 /* */
267 /* string :: A pointer to the string's bytes. Note that these */
268 /* are usually UTF-16 encoded characters. */
269 /* */
270 typedef struct TT_NameRec_
271 {
272 FT_UShort platformID;
273 FT_UShort encodingID;
274 FT_UShort languageID;
275 FT_UShort nameID;
276 FT_UShort stringLength;
277 FT_ULong stringOffset;
278
279 /* this last field is not defined in the spec */
280 /* but used by the FreeType engine */
281
282 FT_Byte* string;
283
284 } TT_NameRec, *TT_Name;
285
286
287 /*************************************************************************/
288 /* */
289 /* <Struct> */
290 /* TT_LangTagRec */
291 /* */
292 /* <Description> */
293 /* A structure modeling language tag records in SFNT `name' tables, */
294 /* introduced in OpenType version 1.6. */
295 /* */
296 /* <Fields> */
297 /* stringLength :: The length of the string in bytes. */
298 /* */
299 /* stringOffset :: The offset to the string in the `name' table. */
300 /* */
301 /* string :: A pointer to the string's bytes. Note that these */
302 /* are UTF-16BE encoded characters. */
303 /* */
304 typedef struct TT_LangTagRec_
305 {
306 FT_UShort stringLength;
307 FT_ULong stringOffset;
308
309 /* this last field is not defined in the spec */
310 /* but used by the FreeType engine */
311
312 FT_Byte* string;
313
314 } TT_LangTagRec, *TT_LangTag;
315
316
317 /*************************************************************************/
318 /* */
319 /* <Struct> */
320 /* TT_NameTableRec */
321 /* */
322 /* <Description> */
323 /* A structure modeling the TrueType name table. */
324 /* */
325 /* <Fields> */
326 /* format :: The format of the name table. */
327 /* */
328 /* numNameRecords :: The number of names in table. */
329 /* */
330 /* storageOffset :: The offset of the name table in the `name' */
331 /* TrueType table. */
332 /* */
333 /* names :: An array of name records. */
334 /* */
335 /* numLangTagRecords :: The number of language tags in table. */
336 /* */
337 /* langTags :: An array of language tag records. */
338 /* */
339 /* stream :: The file's input stream. */
340 /* */
341 typedef struct TT_NameTableRec_
342 {
343 FT_UShort format;
344 FT_UInt numNameRecords;
345 FT_UInt storageOffset;
346 TT_NameRec* names;
347 FT_UInt numLangTagRecords;
348 TT_LangTagRec* langTags;
349 FT_Stream stream;
350
351 } TT_NameTableRec, *TT_NameTable;
352
353
354 /*************************************************************************/
355 /*************************************************************************/
356 /*************************************************************************/
357 /*** ***/
358 /*** ***/
359 /*** OPTIONAL TRUETYPE/OPENTYPE TABLES DEFINITIONS ***/
360 /*** ***/
361 /*** ***/
362 /*************************************************************************/
363 /*************************************************************************/
364 /*************************************************************************/
365
366
367 /*************************************************************************/
368 /* */
369 /* <Struct> */
370 /* TT_GaspRangeRec */
371 /* */
372 /* <Description> */
373 /* A tiny structure used to model a gasp range according to the */
374 /* TrueType specification. */
375 /* */
376 /* <Fields> */
377 /* maxPPEM :: The maximum ppem value to which `gaspFlag' applies. */
378 /* */
379 /* gaspFlag :: A flag describing the grid-fitting and anti-aliasing */
380 /* modes to be used. */
381 /* */
382 typedef struct TT_GaspRangeRec_
383 {
384 FT_UShort maxPPEM;
385 FT_UShort gaspFlag;
386
387 } TT_GaspRangeRec, *TT_GaspRange;
388
389
390#define TT_GASP_GRIDFIT 0x01
391#define TT_GASP_DOGRAY 0x02
392
393
394 /*************************************************************************/
395 /* */
396 /* <Struct> */
397 /* TT_GaspRec */
398 /* */
399 /* <Description> */
400 /* A structure modeling the TrueType `gasp' table used to specify */
401 /* grid-fitting and anti-aliasing behaviour. */
402 /* */
403 /* <Fields> */
404 /* version :: The version number. */
405 /* */
406 /* numRanges :: The number of gasp ranges in table. */
407 /* */
408 /* gaspRanges :: An array of gasp ranges. */
409 /* */
410 typedef struct TT_Gasp_
411 {
412 FT_UShort version;
413 FT_UShort numRanges;
414 TT_GaspRange gaspRanges;
415
416 } TT_GaspRec;
417
418
419 /*************************************************************************/
420 /*************************************************************************/
421 /*************************************************************************/
422 /*** ***/
423 /*** ***/
424 /*** EMBEDDED BITMAPS SUPPORT ***/
425 /*** ***/
426 /*** ***/
427 /*************************************************************************/
428 /*************************************************************************/
429 /*************************************************************************/
430
431
432 /*************************************************************************/
433 /* */
434 /* <Struct> */
435 /* TT_SBit_MetricsRec */
436 /* */
437 /* <Description> */
438 /* A structure used to hold the big metrics of a given glyph bitmap */
439 /* in a TrueType or OpenType font. These are usually found in the */
440 /* `EBDT' (Microsoft) or `bloc' (Apple) table. */
441 /* */
442 /* <Fields> */
443 /* height :: The glyph height in pixels. */
444 /* */
445 /* width :: The glyph width in pixels. */
446 /* */
447 /* horiBearingX :: The horizontal left bearing. */
448 /* */
449 /* horiBearingY :: The horizontal top bearing. */
450 /* */
451 /* horiAdvance :: The horizontal advance. */
452 /* */
453 /* vertBearingX :: The vertical left bearing. */
454 /* */
455 /* vertBearingY :: The vertical top bearing. */
456 /* */
457 /* vertAdvance :: The vertical advance. */
458 /* */
459 typedef struct TT_SBit_MetricsRec_
460 {
461 FT_UShort height;
462 FT_UShort width;
463
464 FT_Short horiBearingX;
465 FT_Short horiBearingY;
466 FT_UShort horiAdvance;
467
468 FT_Short vertBearingX;
469 FT_Short vertBearingY;
470 FT_UShort vertAdvance;
471
472 } TT_SBit_MetricsRec, *TT_SBit_Metrics;
473
474
475 /*************************************************************************/
476 /* */
477 /* <Struct> */
478 /* TT_SBit_SmallMetricsRec */
479 /* */
480 /* <Description> */
481 /* A structure used to hold the small metrics of a given glyph bitmap */
482 /* in a TrueType or OpenType font. These are usually found in the */
483 /* `EBDT' (Microsoft) or the `bdat' (Apple) table. */
484 /* */
485 /* <Fields> */
486 /* height :: The glyph height in pixels. */
487 /* */
488 /* width :: The glyph width in pixels. */
489 /* */
490 /* bearingX :: The left-side bearing. */
491 /* */
492 /* bearingY :: The top-side bearing. */
493 /* */
494 /* advance :: The advance width or height. */
495 /* */
496 typedef struct TT_SBit_Small_Metrics_
497 {
498 FT_Byte height;
499 FT_Byte width;
500
501 FT_Char bearingX;
502 FT_Char bearingY;
503 FT_Byte advance;
504
505 } TT_SBit_SmallMetricsRec, *TT_SBit_SmallMetrics;
506
507
508 /*************************************************************************/
509 /* */
510 /* <Struct> */
511 /* TT_SBit_LineMetricsRec */
512 /* */
513 /* <Description> */
514 /* A structure used to describe the text line metrics of a given */
515 /* bitmap strike, for either a horizontal or vertical layout. */
516 /* */
517 /* <Fields> */
518 /* ascender :: The ascender in pixels. */
519 /* */
520 /* descender :: The descender in pixels. */
521 /* */
522 /* max_width :: The maximum glyph width in pixels. */
523 /* */
524 /* caret_slope_enumerator :: Rise of the caret slope, typically set */
525 /* to 1 for non-italic fonts. */
526 /* */
527 /* caret_slope_denominator :: Rise of the caret slope, typically set */
528 /* to 0 for non-italic fonts. */
529 /* */
530 /* caret_offset :: Offset in pixels to move the caret for */
531 /* proper positioning. */
532 /* */
533 /* min_origin_SB :: Minimum of horiBearingX (resp. */
534 /* vertBearingY). */
535 /* min_advance_SB :: Minimum of */
536 /* */
537 /* horizontal advance - */
538 /* ( horiBearingX + width ) */
539 /* */
540 /* resp. */
541 /* */
542 /* vertical advance - */
543 /* ( vertBearingY + height ) */
544 /* */
545 /* max_before_BL :: Maximum of horiBearingY (resp. */
546 /* vertBearingY). */
547 /* */
548 /* min_after_BL :: Minimum of */
549 /* */
550 /* horiBearingY - height */
551 /* */
552 /* resp. */
553 /* */
554 /* vertBearingX - width */
555 /* */
556 /* pads :: Unused (to make the size of the record */
557 /* a multiple of 32 bits. */
558 /* */
559 typedef struct TT_SBit_LineMetricsRec_
560 {
561 FT_Char ascender;
562 FT_Char descender;
563 FT_Byte max_width;
564 FT_Char caret_slope_numerator;
565 FT_Char caret_slope_denominator;
566 FT_Char caret_offset;
567 FT_Char min_origin_SB;
568 FT_Char min_advance_SB;
569 FT_Char max_before_BL;
570 FT_Char min_after_BL;
571 FT_Char pads[2];
572
573 } TT_SBit_LineMetricsRec, *TT_SBit_LineMetrics;
574
575
576 /*************************************************************************/
577 /* */
578 /* <Struct> */
579 /* TT_SBit_RangeRec */
580 /* */
581 /* <Description> */
582 /* A TrueType/OpenType subIndexTable as defined in the `EBLC' */
583 /* (Microsoft) or `bloc' (Apple) tables. */
584 /* */
585 /* <Fields> */
586 /* first_glyph :: The first glyph index in the range. */
587 /* */
588 /* last_glyph :: The last glyph index in the range. */
589 /* */
590 /* index_format :: The format of index table. Valid values are 1 */
591 /* to 5. */
592 /* */
593 /* image_format :: The format of `EBDT' image data. */
594 /* */
595 /* image_offset :: The offset to image data in `EBDT'. */
596 /* */
597 /* image_size :: For index formats 2 and 5. This is the size in */
598 /* bytes of each glyph bitmap. */
599 /* */
600 /* big_metrics :: For index formats 2 and 5. This is the big */
601 /* metrics for each glyph bitmap. */
602 /* */
603 /* num_glyphs :: For index formats 4 and 5. This is the number of */
604 /* glyphs in the code array. */
605 /* */
606 /* glyph_offsets :: For index formats 1 and 3. */
607 /* */
608 /* glyph_codes :: For index formats 4 and 5. */
609 /* */
610 /* table_offset :: The offset of the index table in the `EBLC' */
611 /* table. Only used during strike loading. */
612 /* */
613 typedef struct TT_SBit_RangeRec_
614 {
615 FT_UShort first_glyph;
616 FT_UShort last_glyph;
617
618 FT_UShort index_format;
619 FT_UShort image_format;
620 FT_ULong image_offset;
621
622 FT_ULong image_size;
623 TT_SBit_MetricsRec metrics;
624 FT_ULong num_glyphs;
625
626 FT_ULong* glyph_offsets;
627 FT_UShort* glyph_codes;
628
629 FT_ULong table_offset;
630
631 } TT_SBit_RangeRec, *TT_SBit_Range;
632
633
634 /*************************************************************************/
635 /* */
636 /* <Struct> */
637 /* TT_SBit_StrikeRec */
638 /* */
639 /* <Description> */
640 /* A structure used describe a given bitmap strike in the `EBLC' */
641 /* (Microsoft) or `bloc' (Apple) tables. */
642 /* */
643 /* <Fields> */
644 /* num_index_ranges :: The number of index ranges. */
645 /* */
646 /* index_ranges :: An array of glyph index ranges. */
647 /* */
648 /* color_ref :: Unused. `color_ref' is put in for future */
649 /* enhancements, but these fields are already */
650 /* in use by other platforms (e.g. Newton). */
651 /* For details, please see */
652 /* */
653 /* https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6bloc.html */
654 /* */
655 /* hori :: The line metrics for horizontal layouts. */
656 /* */
657 /* vert :: The line metrics for vertical layouts. */
658 /* */
659 /* start_glyph :: The lowest glyph index for this strike. */
660 /* */
661 /* end_glyph :: The highest glyph index for this strike. */
662 /* */
663 /* x_ppem :: The number of horizontal pixels per EM. */
664 /* */
665 /* y_ppem :: The number of vertical pixels per EM. */
666 /* */
667 /* bit_depth :: The bit depth. Valid values are 1, 2, 4, */
668 /* and 8. */
669 /* */
670 /* flags :: Is this a vertical or horizontal strike? For */
671 /* details, please see */
672 /* */
673 /* https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6bloc.html */
674 /* */
675 typedef struct TT_SBit_StrikeRec_
676 {
677 FT_Int num_ranges;
678 TT_SBit_Range sbit_ranges;
679 FT_ULong ranges_offset;
680
681 FT_ULong color_ref;
682
683 TT_SBit_LineMetricsRec hori;
684 TT_SBit_LineMetricsRec vert;
685
686 FT_UShort start_glyph;
687 FT_UShort end_glyph;
688
689 FT_Byte x_ppem;
690 FT_Byte y_ppem;
691
692 FT_Byte bit_depth;
693 FT_Char flags;
694
695 } TT_SBit_StrikeRec, *TT_SBit_Strike;
696
697
698 /*************************************************************************/
699 /* */
700 /* <Struct> */
701 /* TT_SBit_ComponentRec */
702 /* */
703 /* <Description> */
704 /* A simple structure to describe a compound sbit element. */
705 /* */
706 /* <Fields> */
707 /* glyph_code :: The element's glyph index. */
708 /* */
709 /* x_offset :: The element's left bearing. */
710 /* */
711 /* y_offset :: The element's top bearing. */
712 /* */
713 typedef struct TT_SBit_ComponentRec_
714 {
715 FT_UShort glyph_code;
716 FT_Char x_offset;
717 FT_Char y_offset;
718
719 } TT_SBit_ComponentRec, *TT_SBit_Component;
720
721
722 /*************************************************************************/
723 /* */
724 /* <Struct> */
725 /* TT_SBit_ScaleRec */
726 /* */
727 /* <Description> */
728 /* A structure used describe a given bitmap scaling table, as defined */
729 /* in the `EBSC' table. */
730 /* */
731 /* <Fields> */
732 /* hori :: The horizontal line metrics. */
733 /* */
734 /* vert :: The vertical line metrics. */
735 /* */
736 /* x_ppem :: The number of horizontal pixels per EM. */
737 /* */
738 /* y_ppem :: The number of vertical pixels per EM. */
739 /* */
740 /* x_ppem_substitute :: Substitution x_ppem value. */
741 /* */
742 /* y_ppem_substitute :: Substitution y_ppem value. */
743 /* */
744 typedef struct TT_SBit_ScaleRec_
745 {
746 TT_SBit_LineMetricsRec hori;
747 TT_SBit_LineMetricsRec vert;
748
749 FT_Byte x_ppem;
750 FT_Byte y_ppem;
751
752 FT_Byte x_ppem_substitute;
753 FT_Byte y_ppem_substitute;
754
755 } TT_SBit_ScaleRec, *TT_SBit_Scale;
756
757
758 /*************************************************************************/
759 /*************************************************************************/
760 /*************************************************************************/
761 /*** ***/
762 /*** ***/
763 /*** POSTSCRIPT GLYPH NAMES SUPPORT ***/
764 /*** ***/
765 /*** ***/
766 /*************************************************************************/
767 /*************************************************************************/
768 /*************************************************************************/
769
770
771 /*************************************************************************/
772 /* */
773 /* <Struct> */
774 /* TT_Post_20Rec */
775 /* */
776 /* <Description> */
777 /* Postscript names sub-table, format 2.0. Stores the PS name of */
778 /* each glyph in the font face. */
779 /* */
780 /* <Fields> */
781 /* num_glyphs :: The number of named glyphs in the table. */
782 /* */
783 /* num_names :: The number of PS names stored in the table. */
784 /* */
785 /* glyph_indices :: The indices of the glyphs in the names arrays. */
786 /* */
787 /* glyph_names :: The PS names not in Mac Encoding. */
788 /* */
789 typedef struct TT_Post_20Rec_
790 {
791 FT_UShort num_glyphs;
792 FT_UShort num_names;
793 FT_UShort* glyph_indices;
794 FT_Char** glyph_names;
795
796 } TT_Post_20Rec, *TT_Post_20;
797
798
799 /*************************************************************************/
800 /* */
801 /* <Struct> */
802 /* TT_Post_25Rec */
803 /* */
804 /* <Description> */
805 /* Postscript names sub-table, format 2.5. Stores the PS name of */
806 /* each glyph in the font face. */
807 /* */
808 /* <Fields> */
809 /* num_glyphs :: The number of glyphs in the table. */
810 /* */
811 /* offsets :: An array of signed offsets in a normal Mac */
812 /* Postscript name encoding. */
813 /* */
814 typedef struct TT_Post_25_
815 {
816 FT_UShort num_glyphs;
817 FT_Char* offsets;
818
819 } TT_Post_25Rec, *TT_Post_25;
820
821
822 /*************************************************************************/
823 /* */
824 /* <Struct> */
825 /* TT_Post_NamesRec */
826 /* */
827 /* <Description> */
828 /* Postscript names table, either format 2.0 or 2.5. */
829 /* */
830 /* <Fields> */
831 /* loaded :: A flag to indicate whether the PS names are loaded. */
832 /* */
833 /* format_20 :: The sub-table used for format 2.0. */
834 /* */
835 /* format_25 :: The sub-table used for format 2.5. */
836 /* */
837 typedef struct TT_Post_NamesRec_
838 {
839 FT_Bool loaded;
840
841 union
842 {
843 TT_Post_20Rec format_20;
844 TT_Post_25Rec format_25;
845
846 } names;
847
848 } TT_Post_NamesRec, *TT_Post_Names;
849
850
851 /*************************************************************************/
852 /*************************************************************************/
853 /*************************************************************************/
854 /*** ***/
855 /*** ***/
856 /*** GX VARIATION TABLE SUPPORT ***/
857 /*** ***/
858 /*** ***/
859 /*************************************************************************/
860 /*************************************************************************/
861 /*************************************************************************/
862
863
864#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
865 typedef struct GX_BlendRec_ *GX_Blend;
866#endif
867
868 /*************************************************************************/
869 /*************************************************************************/
870 /*************************************************************************/
871 /*** ***/
872 /*** ***/
873 /*** EMBEDDED BDF PROPERTIES TABLE SUPPORT ***/
874 /*** ***/
875 /*** ***/
876 /*************************************************************************/
877 /*************************************************************************/
878 /*************************************************************************/
879
880 /*
881 * These types are used to support a `BDF ' table that isn't part of the
882 * official TrueType specification. It is mainly used in SFNT-based
883 * bitmap fonts that were generated from a set of BDF fonts.
884 *
885 * The format of the table is as follows.
886 *
887 * USHORT version `BDF ' table version number, should be 0x0001.
888 * USHORT strikeCount Number of strikes (bitmap sizes) in this table.
889 * ULONG stringTable Offset (from start of BDF table) to string
890 * table.
891 *
892 * This is followed by an array of `strikeCount' descriptors, having the
893 * following format.
894 *
895 * USHORT ppem Vertical pixels per EM for this strike.
896 * USHORT numItems Number of items for this strike (properties and
897 * atoms). Maximum is 255.
898 *
899 * This array in turn is followed by `strikeCount' value sets. Each
900 * `value set' is an array of `numItems' items with the following format.
901 *
902 * ULONG item_name Offset in string table to item name.
903 * USHORT item_type The item type. Possible values are
904 * 0 => string (e.g., COMMENT)
905 * 1 => atom (e.g., FONT or even SIZE)
906 * 2 => int32
907 * 3 => uint32
908 * 0x10 => A flag to indicate a properties. This
909 * is ORed with the above values.
910 * ULONG item_value For strings => Offset into string table without
911 * the corresponding double quotes.
912 * For atoms => Offset into string table.
913 * For integers => Direct value.
914 *
915 * All strings in the string table consist of bytes and are
916 * zero-terminated.
917 *
918 */
919
920#ifdef TT_CONFIG_OPTION_BDF
921
922 typedef struct TT_BDFRec_
923 {
924 FT_Byte* table;
925 FT_Byte* table_end;
926 FT_Byte* strings;
927 FT_ULong strings_size;
928 FT_UInt num_strikes;
929 FT_Bool loaded;
930
931 } TT_BDFRec, *TT_BDF;
932
933#endif /* TT_CONFIG_OPTION_BDF */
934
935 /*************************************************************************/
936 /*************************************************************************/
937 /*************************************************************************/
938 /*** ***/
939 /*** ***/
940 /*** ORIGINAL TT_FACE CLASS DEFINITION ***/
941 /*** ***/
942 /*** ***/
943 /*************************************************************************/
944 /*************************************************************************/
945 /*************************************************************************/
946
947
948 /*************************************************************************/
949 /* */
950 /* This structure/class is defined here because it is common to the */
951 /* following formats: TTF, OpenType-TT, and OpenType-CFF. */
952 /* */
953 /* Note, however, that the classes TT_Size and TT_GlyphSlot are not */
954 /* shared between font drivers, and are thus defined in `ttobjs.h'. */
955 /* */
956 /*************************************************************************/
957
958
959 /*************************************************************************/
960 /* */
961 /* <Type> */
962 /* TT_Face */
963 /* */
964 /* <Description> */
965 /* A handle to a TrueType face/font object. A TT_Face encapsulates */
966 /* the resolution and scaling independent parts of a TrueType font */
967 /* resource. */
968 /* */
969 /* <Note> */
970 /* The TT_Face structure is also used as a `parent class' for the */
971 /* OpenType-CFF class (T2_Face). */
972 /* */
973 typedef struct TT_FaceRec_* TT_Face;
974
975
976 /* a function type used for the truetype bytecode interpreter hooks */
977 typedef FT_Error
978 (*TT_Interpreter)( void* exec_context );
979
980 /* forward declaration */
981 typedef struct TT_LoaderRec_* TT_Loader;
982
983
984 /*************************************************************************/
985 /* */
986 /* <FuncType> */
987 /* TT_Loader_GotoTableFunc */
988 /* */
989 /* <Description> */
990 /* Seeks a stream to the start of a given TrueType table. */
991 /* */
992 /* <Input> */
993 /* face :: A handle to the target face object. */
994 /* */
995 /* tag :: A 4-byte tag used to name the table. */
996 /* */
997 /* stream :: The input stream. */
998 /* */
999 /* <Output> */
1000 /* length :: The length of the table in bytes. Set to 0 if not */
1001 /* needed. */
1002 /* */
1003 /* <Return> */
1004 /* FreeType error code. 0 means success. */
1005 /* */
1006 /* <Note> */
1007 /* The stream cursor must be at the font file's origin. */
1008 /* */
1009 typedef FT_Error
1010 (*TT_Loader_GotoTableFunc)( TT_Face face,
1011 FT_ULong tag,
1012 FT_Stream stream,
1013 FT_ULong* length );
1014
1015
1016 /*************************************************************************/
1017 /* */
1018 /* <FuncType> */
1019 /* TT_Loader_StartGlyphFunc */
1020 /* */
1021 /* <Description> */
1022 /* Seeks a stream to the start of a given glyph element, and opens a */
1023 /* frame for it. */
1024 /* */
1025 /* <Input> */
1026 /* loader :: The current TrueType glyph loader object. */
1027 /* */
1028 /* glyph index :: The index of the glyph to access. */
1029 /* */
1030 /* offset :: The offset of the glyph according to the */
1031 /* `locations' table. */
1032 /* */
1033 /* byte_count :: The size of the frame in bytes. */
1034 /* */
1035 /* <Return> */
1036 /* FreeType error code. 0 means success. */
1037 /* */
1038 /* <Note> */
1039 /* This function is normally equivalent to FT_STREAM_SEEK(offset) */
1040 /* followed by FT_FRAME_ENTER(byte_count) with the loader's stream, */
1041 /* but alternative formats (e.g. compressed ones) might use something */
1042 /* different. */
1043 /* */
1044 typedef FT_Error
1045 (*TT_Loader_StartGlyphFunc)( TT_Loader loader,
1046 FT_UInt glyph_index,
1047 FT_ULong offset,
1048 FT_UInt byte_count );
1049
1050
1051 /*************************************************************************/
1052 /* */
1053 /* <FuncType> */
1054 /* TT_Loader_ReadGlyphFunc */
1055 /* */
1056 /* <Description> */
1057 /* Reads one glyph element (its header, a simple glyph, or a */
1058 /* composite) from the loader's current stream frame. */
1059 /* */
1060 /* <Input> */
1061 /* loader :: The current TrueType glyph loader object. */
1062 /* */
1063 /* <Return> */
1064 /* FreeType error code. 0 means success. */
1065 /* */
1066 typedef FT_Error
1067 (*TT_Loader_ReadGlyphFunc)( TT_Loader loader );
1068
1069
1070 /*************************************************************************/
1071 /* */
1072 /* <FuncType> */
1073 /* TT_Loader_EndGlyphFunc */
1074 /* */
1075 /* <Description> */
1076 /* Closes the current loader stream frame for the glyph. */
1077 /* */
1078 /* <Input> */
1079 /* loader :: The current TrueType glyph loader object. */
1080 /* */
1081 typedef void
1082 (*TT_Loader_EndGlyphFunc)( TT_Loader loader );
1083
1084
1085 typedef enum TT_SbitTableType_
1086 {
1087 TT_SBIT_TABLE_TYPE_NONE = 0,
1088 TT_SBIT_TABLE_TYPE_EBLC, /* `EBLC' (Microsoft), */
1089 /* `bloc' (Apple) */
1090 TT_SBIT_TABLE_TYPE_CBLC, /* `CBLC' (Google) */
1091 TT_SBIT_TABLE_TYPE_SBIX, /* `sbix' (Apple) */
1092
1093 /* do not remove */
1094 TT_SBIT_TABLE_TYPE_MAX
1095
1096 } TT_SbitTableType;
1097
1098
1099 /* OpenType 1.8 brings new tables for variation font support; */
1100 /* to make the old MM and GX fonts still work we need to check */
1101 /* the presence (and validity) of the functionality provided */
1102 /* by those tables. The following flag macros are for the */
1103 /* field `variation_support'. */
1104 /* */
1105 /* Note that `fvar' gets checked immediately at font loading, */
1106 /* while the other features are only loaded if MM support is */
1107 /* actually requested. */
1108
1109 /* FVAR */
1110#define TT_FACE_FLAG_VAR_FVAR ( 1 << 0 )
1111
1112 /* HVAR */
1113#define TT_FACE_FLAG_VAR_HADVANCE ( 1 << 1 )
1114#define TT_FACE_FLAG_VAR_LSB ( 1 << 2 )
1115#define TT_FACE_FLAG_VAR_RSB ( 1 << 3 )
1116
1117 /* VVAR */
1118#define TT_FACE_FLAG_VAR_VADVANCE ( 1 << 4 )
1119#define TT_FACE_FLAG_VAR_TSB ( 1 << 5 )
1120#define TT_FACE_FLAG_VAR_BSB ( 1 << 6 )
1121#define TT_FACE_FLAG_VAR_VORG ( 1 << 7 )
1122
1123 /* MVAR */
1124#define TT_FACE_FLAG_VAR_MVAR ( 1 << 8 )
1125
1126
1127 /*************************************************************************/
1128 /* */
1129 /* TrueType Face Type */
1130 /* */
1131 /* <Struct> */
1132 /* TT_Face */
1133 /* */
1134 /* <Description> */
1135 /* The TrueType face class. These objects model the resolution and */
1136 /* point-size independent data found in a TrueType font file. */
1137 /* */
1138 /* <Fields> */
1139 /* root :: The base FT_Face structure, managed by the */
1140 /* base layer. */
1141 /* */
1142 /* ttc_header :: The TrueType collection header, used when */
1143 /* the file is a `ttc' rather than a `ttf'. */
1144 /* For ordinary font files, the field */
1145 /* `ttc_header.count' is set to 0. */
1146 /* */
1147 /* format_tag :: The font format tag. */
1148 /* */
1149 /* num_tables :: The number of TrueType tables in this font */
1150 /* file. */
1151 /* */
1152 /* dir_tables :: The directory of TrueType tables for this */
1153 /* font file. */
1154 /* */
1155 /* header :: The font's font header (`head' table). */
1156 /* Read on font opening. */
1157 /* */
1158 /* horizontal :: The font's horizontal header (`hhea' */
1159 /* table). This field also contains the */
1160 /* associated horizontal metrics table */
1161 /* (`hmtx'). */
1162 /* */
1163 /* max_profile :: The font's maximum profile table. Read on */
1164 /* font opening. Note that some maximum */
1165 /* values cannot be taken directly from this */
1166 /* table. We thus define additional fields */
1167 /* below to hold the computed maxima. */
1168 /* */
1169 /* vertical_info :: A boolean which is set when the font file */
1170 /* contains vertical metrics. If not, the */
1171 /* value of the `vertical' field is */
1172 /* undefined. */
1173 /* */
1174 /* vertical :: The font's vertical header (`vhea' table). */
1175 /* This field also contains the associated */
1176 /* vertical metrics table (`vmtx'), if found. */
1177 /* IMPORTANT: The contents of this field is */
1178 /* undefined if the `vertical_info' field is */
1179 /* unset. */
1180 /* */
1181 /* num_names :: The number of name records within this */
1182 /* TrueType font. */
1183 /* */
1184 /* name_table :: The table of name records (`name'). */
1185 /* */
1186 /* os2 :: The font's OS/2 table (`OS/2'). */
1187 /* */
1188 /* postscript :: The font's PostScript table (`post' */
1189 /* table). The PostScript glyph names are */
1190 /* not loaded by the driver on face opening. */
1191 /* See the `ttpost' module for more details. */
1192 /* */
1193 /* cmap_table :: Address of the face's `cmap' SFNT table */
1194 /* in memory (it's an extracted frame). */
1195 /* */
1196 /* cmap_size :: The size in bytes of the `cmap_table' */
1197 /* described above. */
1198 /* */
1199 /* goto_table :: A function called by each TrueType table */
1200 /* loader to position a stream's cursor to */
1201 /* the start of a given table according to */
1202 /* its tag. It defaults to TT_Goto_Face but */
1203 /* can be different for strange formats (e.g. */
1204 /* Type 42). */
1205 /* */
1206 /* access_glyph_frame :: A function used to access the frame of a */
1207 /* given glyph within the face's font file. */
1208 /* */
1209 /* forget_glyph_frame :: A function used to forget the frame of a */
1210 /* given glyph when all data has been loaded. */
1211 /* */
1212 /* read_glyph_header :: A function used to read a glyph header. */
1213 /* It must be called between an `access' and */
1214 /* `forget'. */
1215 /* */
1216 /* read_simple_glyph :: A function used to read a simple glyph. */
1217 /* It must be called after the header was */
1218 /* read, and before the `forget'. */
1219 /* */
1220 /* read_composite_glyph :: A function used to read a composite glyph. */
1221 /* It must be called after the header was */
1222 /* read, and before the `forget'. */
1223 /* */
1224 /* sfnt :: A pointer to the SFNT service. */
1225 /* */
1226 /* psnames :: A pointer to the PostScript names service. */
1227 /* */
1228 /* mm :: A pointer to the Multiple Masters service. */
1229 /* */
1230 /* var :: A pointer to the Metrics Variations */
1231 /* service. */
1232 /* */
1233 /* hdmx :: The face's horizontal device metrics */
1234 /* (`hdmx' table). This table is optional in */
1235 /* TrueType/OpenType fonts. */
1236 /* */
1237 /* gasp :: The grid-fitting and scaling properties */
1238 /* table (`gasp'). This table is optional in */
1239 /* TrueType/OpenType fonts. */
1240 /* */
1241 /* pclt :: The `pclt' SFNT table. */
1242 /* */
1243 /* num_sbit_scales :: The number of sbit scales for this font. */
1244 /* */
1245 /* sbit_scales :: Array of sbit scales embedded in this */
1246 /* font. This table is optional in a */
1247 /* TrueType/OpenType font. */
1248 /* */
1249 /* postscript_names :: A table used to store the Postscript names */
1250 /* of the glyphs for this font. See the */
1251 /* file `ttconfig.h' for comments on the */
1252 /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES option. */
1253 /* */
1254 /* font_program_size :: Size in bytecodes of the face's font */
1255 /* program. 0 if none defined. Ignored for */
1256 /* Type 2 fonts. */
1257 /* */
1258 /* font_program :: The face's font program (bytecode stream) */
1259 /* executed at load time, also used during */
1260 /* glyph rendering. Comes from the `fpgm' */
1261 /* table. Ignored for Type 2 font fonts. */
1262 /* */
1263 /* cvt_program_size :: The size in bytecodes of the face's cvt */
1264 /* program. Ignored for Type 2 fonts. */
1265 /* */
1266 /* cvt_program :: The face's cvt program (bytecode stream) */
1267 /* executed each time an instance/size is */
1268 /* changed/reset. Comes from the `prep' */
1269 /* table. Ignored for Type 2 fonts. */
1270 /* */
1271 /* cvt_size :: Size of the control value table (in */
1272 /* entries). Ignored for Type 2 fonts. */
1273 /* */
1274 /* cvt :: The face's original control value table. */
1275 /* Coordinates are expressed in unscaled font */
1276 /* units. Comes from the `cvt ' table. */
1277 /* Ignored for Type 2 fonts. */
1278 /* */
1279 /* interpreter :: A pointer to the TrueType bytecode */
1280 /* interpreters field is also used to hook */
1281 /* the debugger in `ttdebug'. */
1282 /* */
1283 /* extra :: Reserved for third-party font drivers. */
1284 /* */
1285 /* postscript_name :: The PS name of the font. Used by the */
1286 /* postscript name service. */
1287 /* */
1288 /* glyf_len :: The length of the `glyf' table. Needed */
1289 /* for malformed `loca' tables. */
1290 /* */
1291 /* glyf_offset :: The file offset of the `glyf' table. */
1292 /* */
1293 /* is_cff2 :: Set if the font format is CFF2. */
1294 /* */
1295 /* doblend :: A boolean which is set if the font should */
1296 /* be blended (this is for GX var). */
1297 /* */
1298 /* blend :: Contains the data needed to control GX */
1299 /* variation tables (rather like Multiple */
1300 /* Master data). */
1301 /* */
1302 /* variation_support :: Flags that indicate which OpenType */
1303 /* functionality related to font variation */
1304 /* support is present, valid, and usable. */
1305 /* For example, TT_FACE_FLAG_VAR_FVAR is only */
1306 /* set if we have at least one design axis. */
1307 /* */
1308 /* var_postscript_prefix :: */
1309 /* The PostScript name prefix needed for */
1310 /* constructing a variation font instance's */
1311 /* PS name . */
1312 /* */
1313 /* var_postscript_prefix_len :: */
1314 /* The length of the `var_postscript_prefix' */
1315 /* string. */
1316 /* */
1317 /* horz_metrics_size :: The size of the `hmtx' table. */
1318 /* */
1319 /* vert_metrics_size :: The size of the `vmtx' table. */
1320 /* */
1321 /* num_locations :: The number of glyph locations in this */
1322 /* TrueType file. This should be */
1323 /* identical to the number of glyphs. */
1324 /* Ignored for Type 2 fonts. */
1325 /* */
1326 /* glyph_locations :: An array of longs. These are offsets to */
1327 /* glyph data within the `glyf' table. */
1328 /* Ignored for Type 2 font faces. */
1329 /* */
1330 /* hdmx_table :: A pointer to the `hdmx' table. */
1331 /* */
1332 /* hdmx_table_size :: The size of the `hdmx' table. */
1333 /* */
1334 /* hdmx_record_count :: The number of hdmx records. */
1335 /* */
1336 /* hdmx_record_size :: The size of a single hdmx record. */
1337 /* */
1338 /* hdmx_record_sizes :: An array holding the ppem sizes available */
1339 /* in the `hdmx' table. */
1340 /* */
1341 /* sbit_table :: A pointer to the font's embedded bitmap */
1342 /* location table. */
1343 /* */
1344 /* sbit_table_size :: The size of `sbit_table'. */
1345 /* */
1346 /* sbit_table_type :: The sbit table type (CBLC, sbix, etc.). */
1347 /* */
1348 /* sbit_num_strikes :: The number of sbit strikes exposed by */
1349 /* FreeType's API, omitting invalid strikes. */
1350 /* */
1351 /* sbit_strike_map :: A mapping between the strike indices */
1352 /* exposed by the API and the indices used in */
1353 /* the font's sbit table. */
1354 /* */
1355 /* kern_table :: A pointer to the `kern' table. */
1356 /* */
1357 /* kern_table_size :: The size of the `kern' table. */
1358 /* */
1359 /* num_kern_tables :: The number of supported kern subtables */
1360 /* (up to 32; FreeType recognizes only */
1361 /* horizontal ones with format 0). */
1362 /* */
1363 /* kern_avail_bits :: The availability status of kern subtables; */
1364 /* if bit n is set, table n is available. */
1365 /* */
1366 /* kern_order_bits :: The sortedness status of kern subtables; */
1367 /* if bit n is set, table n is sorted. */
1368 /* */
1369 /* bdf :: Data related to an SFNT font's `bdf' */
1370 /* table; see `tttypes.h'. */
1371 /* */
1372 /* horz_metrics_offset :: The file offset of the `hmtx' table. */
1373 /* */
1374 /* vert_metrics_offset :: The file offset of the `vmtx' table. */
1375 /* */
1376 /* sph_found_func_flags :: Flags identifying special bytecode */
1377 /* functions (used by the v38 implementation */
1378 /* of the bytecode interpreter). */
1379 /* */
1380 /* sph_compatibility_mode :: */
1381 /* This flag is set if we are in ClearType */
1382 /* backward compatibility mode (used by the */
1383 /* v38 implementation of the bytecode */
1384 /* interpreter). */
1385 /* */
1386 /* ebdt_start :: The file offset of the sbit data table */
1387 /* (CBDT, bdat, etc.). */
1388 /* */
1389 /* ebdt_size :: The size of the sbit data table. */
1390 /* */
1391 typedef struct TT_FaceRec_
1392 {
1393 FT_FaceRec root;
1394
1395 TTC_HeaderRec ttc_header;
1396
1397 FT_ULong format_tag;
1398 FT_UShort num_tables;
1399 TT_Table dir_tables;
1400
1401 TT_Header header; /* TrueType header table */
1402 TT_HoriHeader horizontal; /* TrueType horizontal header */
1403
1404 TT_MaxProfile max_profile;
1405
1406 FT_Bool vertical_info;
1407 TT_VertHeader vertical; /* TT Vertical header, if present */
1408
1409 FT_UShort num_names; /* number of name records */
1410 TT_NameTableRec name_table; /* name table */
1411
1412 TT_OS2 os2; /* TrueType OS/2 table */
1413 TT_Postscript postscript; /* TrueType Postscript table */
1414
1415 FT_Byte* cmap_table; /* extracted `cmap' table */
1416 FT_ULong cmap_size;
1417
1418 TT_Loader_GotoTableFunc goto_table;
1419
1420 TT_Loader_StartGlyphFunc access_glyph_frame;
1421 TT_Loader_EndGlyphFunc forget_glyph_frame;
1422 TT_Loader_ReadGlyphFunc read_glyph_header;
1423 TT_Loader_ReadGlyphFunc read_simple_glyph;
1424 TT_Loader_ReadGlyphFunc read_composite_glyph;
1425
1426 /* a typeless pointer to the SFNT_Interface table used to load */
1427 /* the basic TrueType tables in the face object */
1428 void* sfnt;
1429
1430 /* a typeless pointer to the FT_Service_PsCMapsRec table used to */
1431 /* handle glyph names <-> unicode & Mac values */
1432 void* psnames;
1433
1434#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
1435 /* a typeless pointer to the FT_Service_MultiMasters table used to */
1436 /* handle variation fonts */
1437 void* mm;
1438
1439 /* a typeless pointer to the FT_Service_MetricsVariationsRec table */
1440 /* used to handle the HVAR, VVAR, and MVAR OpenType tables */
1441 void* var;
1442#endif
1443
1444 /* a typeless pointer to the PostScript Aux service */
1445 void* psaux;
1446
1447
1448 /***********************************************************************/
1449 /* */
1450 /* Optional TrueType/OpenType tables */
1451 /* */
1452 /***********************************************************************/
1453
1454 /* grid-fitting and scaling table */
1455 TT_GaspRec gasp; /* the `gasp' table */
1456
1457 /* PCL 5 table */
1458 TT_PCLT pclt;
1459
1460 /* embedded bitmaps support */
1461 FT_ULong num_sbit_scales;
1462 TT_SBit_Scale sbit_scales;
1463
1464 /* postscript names table */
1465 TT_Post_NamesRec postscript_names;
1466
1467
1468 /***********************************************************************/
1469 /* */
1470 /* TrueType-specific fields (ignored by the CFF driver) */
1471 /* */
1472 /***********************************************************************/
1473
1474 /* the font program, if any */
1475 FT_ULong font_program_size;
1476 FT_Byte* font_program;
1477
1478 /* the cvt program, if any */
1479 FT_ULong cvt_program_size;
1480 FT_Byte* cvt_program;
1481
1482 /* the original, unscaled, control value table */
1483 FT_ULong cvt_size;
1484 FT_Short* cvt;
1485
1486 /* A pointer to the bytecode interpreter to use. This is also */
1487 /* used to hook the debugger for the `ttdebug' utility. */
1488 TT_Interpreter interpreter;
1489
1490
1491 /***********************************************************************/
1492 /* */
1493 /* Other tables or fields. This is used by derivative formats like */
1494 /* OpenType. */
1495 /* */
1496 /***********************************************************************/
1497
1498 FT_Generic extra;
1499
1500 const char* postscript_name;
1501
1502 FT_ULong glyf_len;
1503 FT_ULong glyf_offset; /* since 2.7.1 */
1504
1505 FT_Bool is_cff2; /* since 2.7.1 */
1506
1507#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
1508 FT_Bool doblend;
1509 GX_Blend blend;
1510
1511 FT_UInt32 variation_support; /* since 2.7.1 */
1512
1513 const char* var_postscript_prefix; /* since 2.7.2 */
1514 FT_UInt var_postscript_prefix_len; /* since 2.7.2 */
1515
1516#endif
1517
1518 /* since version 2.2 */
1519
1520 FT_ULong horz_metrics_size;
1521 FT_ULong vert_metrics_size;
1522
1523 FT_ULong num_locations; /* in broken TTF, gid > 0xFFFF */
1524 FT_Byte* glyph_locations;
1525
1526 FT_Byte* hdmx_table;
1527 FT_ULong hdmx_table_size;
1528 FT_UInt hdmx_record_count;
1529 FT_ULong hdmx_record_size;
1530 FT_Byte* hdmx_record_sizes;
1531
1532 FT_Byte* sbit_table;
1533 FT_ULong sbit_table_size;
1534 TT_SbitTableType sbit_table_type;
1535 FT_UInt sbit_num_strikes;
1536 FT_UInt* sbit_strike_map;
1537
1538 FT_Byte* kern_table;
1539 FT_ULong kern_table_size;
1540 FT_UInt num_kern_tables;
1541 FT_UInt32 kern_avail_bits;
1542 FT_UInt32 kern_order_bits;
1543
1544#ifdef TT_CONFIG_OPTION_BDF
1545 TT_BDFRec bdf;
1546#endif /* TT_CONFIG_OPTION_BDF */
1547
1548 /* since 2.3.0 */
1549 FT_ULong horz_metrics_offset;
1550 FT_ULong vert_metrics_offset;
1551
1552#ifdef TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
1553 /* since 2.4.12 */
1554 FT_ULong sph_found_func_flags; /* special functions found */
1555 /* for this face */
1556 FT_Bool sph_compatibility_mode;
1557#endif /* TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY */
1558
1559#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
1560 /* since 2.7 */
1561 FT_ULong ebdt_start; /* either `CBDT', `EBDT', or `bdat' */
1562 FT_ULong ebdt_size;
1563#endif
1564
1565 } TT_FaceRec;
1566
1567
1568 /*************************************************************************/
1569 /* */
1570 /* <Struct> */
1571 /* TT_GlyphZoneRec */
1572 /* */
1573 /* <Description> */
1574 /* A glyph zone is used to load, scale and hint glyph outline */
1575 /* coordinates. */
1576 /* */
1577 /* <Fields> */
1578 /* memory :: A handle to the memory manager. */
1579 /* */
1580 /* max_points :: The maximum size in points of the zone. */
1581 /* */
1582 /* max_contours :: Max size in links contours of the zone. */
1583 /* */
1584 /* n_points :: The current number of points in the zone. */
1585 /* */
1586 /* n_contours :: The current number of contours in the zone. */
1587 /* */
1588 /* org :: The original glyph coordinates (font */
1589 /* units/scaled). */
1590 /* */
1591 /* cur :: The current glyph coordinates (scaled/hinted). */
1592 /* */
1593 /* tags :: The point control tags. */
1594 /* */
1595 /* contours :: The contours end points. */
1596 /* */
1597 /* first_point :: Offset of the current subglyph's first point. */
1598 /* */
1599 typedef struct TT_GlyphZoneRec_
1600 {
1601 FT_Memory memory;
1602 FT_UShort max_points;
1603 FT_Short max_contours;
1604 FT_UShort n_points; /* number of points in zone */
1605 FT_Short n_contours; /* number of contours */
1606
1607 FT_Vector* org; /* original point coordinates */
1608 FT_Vector* cur; /* current point coordinates */
1609 FT_Vector* orus; /* original (unscaled) point coordinates */
1610
1611 FT_Byte* tags; /* current touch flags */
1612 FT_UShort* contours; /* contour end points */
1613
1614 FT_UShort first_point; /* offset of first (#0) point */
1615
1616 } TT_GlyphZoneRec, *TT_GlyphZone;
1617
1618
1619 /* handle to execution context */
1620 typedef struct TT_ExecContextRec_* TT_ExecContext;
1621
1622
1623 /*************************************************************************/
1624 /* */
1625 /* <Type> */
1626 /* TT_Size */
1627 /* */
1628 /* <Description> */
1629 /* A handle to a TrueType size object. */
1630 /* */
1631 typedef struct TT_SizeRec_* TT_Size;
1632
1633
1634 /* glyph loader structure */
1635 typedef struct TT_LoaderRec_
1636 {
1637 TT_Face face;
1638 TT_Size size;
1639 FT_GlyphSlot glyph;
1640 FT_GlyphLoader gloader;
1641
1642 FT_ULong load_flags;
1643 FT_UInt glyph_index;
1644
1645 FT_Stream stream;
1646 FT_Int byte_len;
1647
1648 FT_Short n_contours;
1649 FT_BBox bbox;
1650 FT_Int left_bearing;
1651 FT_Int advance;
1652 FT_Int linear;
1653 FT_Bool linear_def;
1654 FT_Vector pp1;
1655 FT_Vector pp2;
1656
1657 /* the zone where we load our glyphs */
1658 TT_GlyphZoneRec base;
1659 TT_GlyphZoneRec zone;
1660
1661 TT_ExecContext exec;
1662 FT_Byte* instructions;
1663 FT_ULong ins_pos;
1664
1665 /* for possible extensibility in other formats */
1666 void* other;
1667
1668 /* since version 2.1.8 */
1669 FT_Int top_bearing;
1670 FT_Int vadvance;
1671 FT_Vector pp3;
1672 FT_Vector pp4;
1673
1674 /* since version 2.2.1 */
1675 FT_Byte* cursor;
1676 FT_Byte* limit;
1677
1678 /* since version 2.6.2 */
1679 FT_ListRec composites;
1680
1681 } TT_LoaderRec;
1682
1683
1684FT_END_HEADER
1685
1686#endif /* TTTYPES_H_ */
1687
1688
1689/* END */
face
WORD face[3]
Definition: mesh.c:4747
FT_END_HEADER
#define FT_END_HEADER
Definition: ftheader.h:54
FT_BEGIN_HEADER
#define FT_BEGIN_HEADER
Definition: ftheader.h:36
FT_Memory
typedefFT_BEGIN_HEADER struct FT_MemoryRec_ * FT_Memory
Definition: ftsystem.h:66
FT_Char
signed char FT_Char
Definition: fttypes.h:143
FT_Bool
FT_BEGIN_HEADER typedef unsigned char FT_Bool
Definition: fttypes.h:108
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_Error
int FT_Error
Definition: fttypes.h:300
FT_Long
signed long FT_Long
Definition: fttypes.h:242
FT_UShort
unsigned short FT_UShort
Definition: fttypes.h:209
FT_Short
signed short FT_Short
Definition: fttypes.h:198
FT_UInt
unsigned int FT_UInt
Definition: fttypes.h:231
FT_Int
signed int FT_Int
Definition: fttypes.h:220
strings
GLsizei const GLchar *const * strings
Definition: glext.h:7622
length
GLuint GLsizei GLsizei * length
Definition: glext.h:6040
offset
GLintptr offset
Definition: glext.h:5920
var
const char * var
Definition: shader.c:5666
loaded
BOOL loaded
Definition: xmlview.c:54
FT_BBox_
Definition: ftimage.h:116
FT_FaceRec_
Definition: freetype.h:1069
FT_Generic_
Definition: fttypes.h:460
FT_GlyphLoaderRec_
Definition: ftgloadr.h:62
FT_GlyphSlotRec_
Definition: freetype.h:1909
FT_ListRec_
Definition: fttypes.h:568
FT_StreamRec_
Definition: ftsystem.h:331
FT_Vector_
Definition: ftimage.h:75
SFNT_HeaderRec_
Definition: tttypes.h:100
SFNT_HeaderRec_::offset
FT_ULong offset
Definition: tttypes.h:107
SFNT_HeaderRec_::search_range
FT_UShort search_range
Definition: tttypes.h:103
SFNT_HeaderRec_::num_tables
FT_UShort num_tables
Definition: tttypes.h:102
SFNT_HeaderRec_::range_shift
FT_UShort range_shift
Definition: tttypes.h:105
SFNT_HeaderRec_::format_tag
FT_ULong format_tag
Definition: tttypes.h:101
SFNT_HeaderRec_::entry_selector
FT_UShort entry_selector
Definition: tttypes.h:104
TTC_HeaderRec_
Definition: tttypes.h:71
TTC_HeaderRec_::count
FT_Long count
Definition: tttypes.h:74
TTC_HeaderRec_::offsets
FT_ULong * offsets
Definition: tttypes.h:75
TTC_HeaderRec_::tag
FT_ULong tag
Definition: tttypes.h:72
TTC_HeaderRec_::version
FT_Fixed version
Definition: tttypes.h:73
TT_ExecContextRec_
Definition: ttinterp.h:150
TT_FaceRec_
Definition: tttypes.h:1392
TT_FaceRec_::psaux
void * psaux
Definition: tttypes.h:1445
TT_FaceRec_::gasp
TT_GaspRec gasp
Definition: tttypes.h:1455
TT_FaceRec_::vertical
TT_VertHeader vertical
Definition: tttypes.h:1407
TT_FaceRec_::cmap_table
FT_Byte * cmap_table
Definition: tttypes.h:1415
TT_FaceRec_::glyf_len
FT_ULong glyf_len
Definition: tttypes.h:1502
TT_FaceRec_::sbit_table_type
TT_SbitTableType sbit_table_type
Definition: tttypes.h:1534
TT_FaceRec_::glyph_locations
FT_Byte * glyph_locations
Definition: tttypes.h:1524
TT_FaceRec_::sbit_scales
TT_SBit_Scale sbit_scales
Definition: tttypes.h:1462
TT_FaceRec_::pclt
TT_PCLT pclt
Definition: tttypes.h:1458
TT_FaceRec_::cvt
FT_Short * cvt
Definition: tttypes.h:1484
TT_FaceRec_::max_profile
TT_MaxProfile max_profile
Definition: tttypes.h:1404
TT_FaceRec_::num_locations
FT_ULong num_locations
Definition: tttypes.h:1523
TT_FaceRec_::hdmx_table_size
FT_ULong hdmx_table_size
Definition: tttypes.h:1527
TT_FaceRec_::vert_metrics_offset
FT_ULong vert_metrics_offset
Definition: tttypes.h:1550
TT_FaceRec_::name_table
TT_NameTableRec name_table
Definition: tttypes.h:1410
TT_FaceRec_::read_glyph_header
TT_Loader_ReadGlyphFunc read_glyph_header
Definition: tttypes.h:1422
TT_FaceRec_::hdmx_record_size
FT_ULong hdmx_record_size
Definition: tttypes.h:1529
TT_FaceRec_::goto_table
TT_Loader_GotoTableFunc goto_table
Definition: tttypes.h:1418
TT_FaceRec_::vertical_info
FT_Bool vertical_info
Definition: tttypes.h:1406
TT_FaceRec_::sfnt
void * sfnt
Definition: tttypes.h:1428
TT_FaceRec_::cmap_size
FT_ULong cmap_size
Definition: tttypes.h:1416
TT_FaceRec_::os2
TT_OS2 os2
Definition: tttypes.h:1412
TT_FaceRec_::num_sbit_scales
FT_ULong num_sbit_scales
Definition: tttypes.h:1461
TT_FaceRec_::postscript
TT_Postscript postscript
Definition: tttypes.h:1413
TT_FaceRec_::kern_avail_bits
FT_UInt32 kern_avail_bits
Definition: tttypes.h:1541
TT_FaceRec_::horz_metrics_offset
FT_ULong horz_metrics_offset
Definition: tttypes.h:1549
TT_FaceRec_::cvt_program
FT_Byte * cvt_program
Definition: tttypes.h:1480
TT_FaceRec_::hdmx_table
FT_Byte * hdmx_table
Definition: tttypes.h:1526
TT_FaceRec_::access_glyph_frame
TT_Loader_StartGlyphFunc access_glyph_frame
Definition: tttypes.h:1420
TT_FaceRec_::sbit_strike_map
FT_UInt * sbit_strike_map
Definition: tttypes.h:1536
TT_FaceRec_::psnames
void * psnames
Definition: tttypes.h:1432
TT_FaceRec_::postscript_name
const char * postscript_name
Definition: tttypes.h:1500
TT_FaceRec_::font_program
FT_Byte * font_program
Definition: tttypes.h:1476
TT_FaceRec_::cvt_size
FT_ULong cvt_size
Definition: tttypes.h:1483
TT_FaceRec_::sbit_num_strikes
FT_UInt sbit_num_strikes
Definition: tttypes.h:1535
TT_FaceRec_::horizontal
TT_HoriHeader horizontal
Definition: tttypes.h:1402
TT_FaceRec_::kern_order_bits
FT_UInt32 kern_order_bits
Definition: tttypes.h:1542
TT_FaceRec_::horz_metrics_size
FT_ULong horz_metrics_size
Definition: tttypes.h:1520
TT_FaceRec_::postscript_names
TT_Post_NamesRec postscript_names
Definition: tttypes.h:1465
TT_FaceRec_::interpreter
TT_Interpreter interpreter
Definition: tttypes.h:1488
TT_FaceRec_::num_kern_tables
FT_UInt num_kern_tables
Definition: tttypes.h:1540
TT_FaceRec_::ttc_header
TTC_HeaderRec ttc_header
Definition: tttypes.h:1395
TT_FaceRec_::num_tables
FT_UShort num_tables
Definition: tttypes.h:1398
TT_FaceRec_::vert_metrics_size
FT_ULong vert_metrics_size
Definition: tttypes.h:1521
TT_FaceRec_::read_simple_glyph
TT_Loader_ReadGlyphFunc read_simple_glyph
Definition: tttypes.h:1423
TT_FaceRec_::root
FT_FaceRec root
Definition: tttypes.h:1393
TT_FaceRec_::extra
FT_Generic extra
Definition: tttypes.h:1498
TT_FaceRec_::read_composite_glyph
TT_Loader_ReadGlyphFunc read_composite_glyph
Definition: tttypes.h:1424
TT_FaceRec_::glyf_offset
FT_ULong glyf_offset
Definition: tttypes.h:1503
TT_FaceRec_::hdmx_record_count
FT_UInt hdmx_record_count
Definition: tttypes.h:1528
TT_FaceRec_::header
TT_Header header
Definition: tttypes.h:1401
TT_FaceRec_::hdmx_record_sizes
FT_Byte * hdmx_record_sizes
Definition: tttypes.h:1530
TT_FaceRec_::forget_glyph_frame
TT_Loader_EndGlyphFunc forget_glyph_frame
Definition: tttypes.h:1421
TT_FaceRec_::kern_table_size
FT_ULong kern_table_size
Definition: tttypes.h:1539
TT_FaceRec_::sbit_table
FT_Byte * sbit_table
Definition: tttypes.h:1532
TT_FaceRec_::font_program_size
FT_ULong font_program_size
Definition: tttypes.h:1475
TT_FaceRec_::sbit_table_size
FT_ULong sbit_table_size
Definition: tttypes.h:1533
TT_FaceRec_::kern_table
FT_Byte * kern_table
Definition: tttypes.h:1538
TT_FaceRec_::dir_tables
TT_Table dir_tables
Definition: tttypes.h:1399
TT_FaceRec_::format_tag
FT_ULong format_tag
Definition: tttypes.h:1397
TT_FaceRec_::num_names
FT_UShort num_names
Definition: tttypes.h:1409
TT_FaceRec_::cvt_program_size
FT_ULong cvt_program_size
Definition: tttypes.h:1479
TT_FaceRec_::is_cff2
FT_Bool is_cff2
Definition: tttypes.h:1505
TT_GaspRangeRec_
Definition: tttypes.h:383
TT_GaspRangeRec_::gaspFlag
FT_UShort gaspFlag
Definition: tttypes.h:385
TT_GaspRangeRec_::maxPPEM
FT_UShort maxPPEM
Definition: tttypes.h:384
TT_Gasp_
Definition: tttypes.h:411
TT_Gasp_::version
FT_UShort version
Definition: tttypes.h:412
TT_Gasp_::numRanges
FT_UShort numRanges
Definition: tttypes.h:413
TT_Gasp_::gaspRanges
TT_GaspRange gaspRanges
Definition: tttypes.h:414
TT_GlyphZoneRec_
Definition: tttypes.h:1600
TT_GlyphZoneRec_::n_contours
FT_Short n_contours
Definition: tttypes.h:1605
TT_GlyphZoneRec_::org
FT_Vector * org
Definition: tttypes.h:1607
TT_GlyphZoneRec_::n_points
FT_UShort n_points
Definition: tttypes.h:1604
TT_GlyphZoneRec_::orus
FT_Vector * orus
Definition: tttypes.h:1609
TT_GlyphZoneRec_::cur
FT_Vector * cur
Definition: tttypes.h:1608
TT_GlyphZoneRec_::first_point
FT_UShort first_point
Definition: tttypes.h:1614
TT_GlyphZoneRec_::max_points
FT_UShort max_points
Definition: tttypes.h:1602
TT_GlyphZoneRec_::contours
FT_UShort * contours
Definition: tttypes.h:1612
TT_GlyphZoneRec_::memory
FT_Memory memory
Definition: tttypes.h:1601
TT_GlyphZoneRec_::max_contours
FT_Short max_contours
Definition: tttypes.h:1603
TT_GlyphZoneRec_::tags
FT_Byte * tags
Definition: tttypes.h:1611
TT_HoriHeader_
Definition: tttables.h:200
TT_LangTagRec_
Definition: tttypes.h:305
TT_LangTagRec_::string
FT_Byte * string
Definition: tttypes.h:312
TT_LangTagRec_::stringLength
FT_UShort stringLength
Definition: tttypes.h:306
TT_LangTagRec_::stringOffset
FT_ULong stringOffset
Definition: tttypes.h:307
TT_LoaderRec_
Definition: tttypes.h:1636
TT_LoaderRec_::top_bearing
FT_Int top_bearing
Definition: tttypes.h:1669
TT_LoaderRec_::pp4
FT_Vector pp4
Definition: tttypes.h:1672
TT_LoaderRec_::load_flags
FT_ULong load_flags
Definition: tttypes.h:1642
TT_LoaderRec_::limit
FT_Byte * limit
Definition: tttypes.h:1676
TT_LoaderRec_::exec
TT_ExecContext exec
Definition: tttypes.h:1661
TT_LoaderRec_::size
TT_Size size
Definition: tttypes.h:1638
TT_LoaderRec_::pp3
FT_Vector pp3
Definition: tttypes.h:1671
TT_LoaderRec_::byte_len
FT_Int byte_len
Definition: tttypes.h:1646
TT_LoaderRec_::other
void * other
Definition: tttypes.h:1666
TT_LoaderRec_::glyph_index
FT_UInt glyph_index
Definition: tttypes.h:1643
TT_LoaderRec_::ins_pos
FT_ULong ins_pos
Definition: tttypes.h:1663
TT_LoaderRec_::gloader
FT_GlyphLoader gloader
Definition: tttypes.h:1640
TT_LoaderRec_::cursor
FT_Byte * cursor
Definition: tttypes.h:1675
TT_LoaderRec_::advance
FT_Int advance
Definition: tttypes.h:1651
TT_LoaderRec_::composites
FT_ListRec composites
Definition: tttypes.h:1679
TT_LoaderRec_::glyph
FT_GlyphSlot glyph
Definition: tttypes.h:1639
TT_LoaderRec_::n_contours
FT_Short n_contours
Definition: tttypes.h:1648
TT_LoaderRec_::pp2
FT_Vector pp2
Definition: tttypes.h:1655
TT_LoaderRec_::linear_def
FT_Bool linear_def
Definition: tttypes.h:1653
TT_LoaderRec_::pp1
FT_Vector pp1
Definition: tttypes.h:1654
TT_LoaderRec_::zone
TT_GlyphZoneRec zone
Definition: tttypes.h:1659
TT_LoaderRec_::instructions
FT_Byte * instructions
Definition: tttypes.h:1662
TT_LoaderRec_::base
TT_GlyphZoneRec base
Definition: tttypes.h:1658
TT_LoaderRec_::stream
FT_Stream stream
Definition: tttypes.h:1645
TT_LoaderRec_::face
TT_Face face
Definition: tttypes.h:1637
TT_LoaderRec_::bbox
FT_BBox bbox
Definition: tttypes.h:1649
TT_LoaderRec_::linear
FT_Int linear
Definition: tttypes.h:1652
TT_LoaderRec_::left_bearing
FT_Int left_bearing
Definition: tttypes.h:1650
TT_LoaderRec_::vadvance
FT_Int vadvance
Definition: tttypes.h:1670
TT_LongMetricsRec_
Definition: tttypes.h:224
TT_LongMetricsRec_::bearing
FT_Short bearing
Definition: tttypes.h:226
TT_LongMetricsRec_::advance
FT_UShort advance
Definition: tttypes.h:225
TT_MaxProfile_
Definition: tttables.h:568
TT_NameRec_
Definition: tttypes.h:271
TT_NameRec_::stringOffset
FT_ULong stringOffset
Definition: tttypes.h:277
TT_NameRec_::string
FT_Byte * string
Definition: tttypes.h:282
TT_NameRec_::languageID
FT_UShort languageID
Definition: tttypes.h:274
TT_NameRec_::stringLength
FT_UShort stringLength
Definition: tttypes.h:276
TT_NameRec_::encodingID
FT_UShort encodingID
Definition: tttypes.h:273
TT_NameRec_::platformID
FT_UShort platformID
Definition: tttypes.h:272
TT_NameRec_::nameID
FT_UShort nameID
Definition: tttypes.h:275
TT_NameTableRec_
Definition: tttypes.h:342
TT_NameTableRec_::names
TT_NameRec * names
Definition: tttypes.h:346
TT_NameTableRec_::langTags
TT_LangTagRec * langTags
Definition: tttypes.h:348
TT_NameTableRec_::storageOffset
FT_UInt storageOffset
Definition: tttypes.h:345
TT_NameTableRec_::numNameRecords
FT_UInt numNameRecords
Definition: tttypes.h:344
TT_NameTableRec_::numLangTagRecords
FT_UInt numLangTagRecords
Definition: tttypes.h:347
TT_NameTableRec_::format
FT_UShort format
Definition: tttypes.h:343
TT_NameTableRec_::stream
FT_Stream stream
Definition: tttypes.h:349
TT_OS2_
Definition: tttables.h:381
TT_PCLT_
Definition: tttables.h:483
TT_Post_20Rec_
Definition: tttypes.h:790
TT_Post_20Rec_::glyph_indices
FT_UShort * glyph_indices
Definition: tttypes.h:793
TT_Post_20Rec_::glyph_names
FT_Char ** glyph_names
Definition: tttypes.h:794
TT_Post_20Rec_::num_glyphs
FT_UShort num_glyphs
Definition: tttypes.h:791
TT_Post_20Rec_::num_names
FT_UShort num_names
Definition: tttypes.h:792
TT_Post_25_
Definition: tttypes.h:815
TT_Post_25_::offsets
FT_Char * offsets
Definition: tttypes.h:817
TT_Post_25_::num_glyphs
FT_UShort num_glyphs
Definition: tttypes.h:816
TT_Post_NamesRec_
Definition: tttypes.h:838
TT_Post_NamesRec_::names
union TT_Post_NamesRec_::@4022 names
TT_Post_NamesRec_::format_20
TT_Post_20Rec format_20
Definition: tttypes.h:843
TT_Post_NamesRec_::loaded
FT_Bool loaded
Definition: tttypes.h:839
TT_Post_NamesRec_::format_25
TT_Post_25Rec format_25
Definition: tttypes.h:844
TT_Postscript_
Definition: tttables.h:456
TT_SBit_ComponentRec_
Definition: tttypes.h:714
TT_SBit_ComponentRec_::glyph_code
FT_UShort glyph_code
Definition: tttypes.h:715
TT_SBit_ComponentRec_::x_offset
FT_Char x_offset
Definition: tttypes.h:716
TT_SBit_ComponentRec_::y_offset
FT_Char y_offset
Definition: tttypes.h:717
TT_SBit_LineMetricsRec_
Definition: tttypes.h:560
TT_SBit_LineMetricsRec_::caret_slope_denominator
FT_Char caret_slope_denominator
Definition: tttypes.h:565
TT_SBit_LineMetricsRec_::caret_offset
FT_Char caret_offset
Definition: tttypes.h:566
TT_SBit_LineMetricsRec_::descender
FT_Char descender
Definition: tttypes.h:562
TT_SBit_LineMetricsRec_::ascender
FT_Char ascender
Definition: tttypes.h:561
TT_SBit_LineMetricsRec_::min_after_BL
FT_Char min_after_BL
Definition: tttypes.h:570
TT_SBit_LineMetricsRec_::max_before_BL
FT_Char max_before_BL
Definition: tttypes.h:569
TT_SBit_LineMetricsRec_::caret_slope_numerator
FT_Char caret_slope_numerator
Definition: tttypes.h:564
TT_SBit_LineMetricsRec_::min_origin_SB
FT_Char min_origin_SB
Definition: tttypes.h:567
TT_SBit_LineMetricsRec_::pads
FT_Char pads[2]
Definition: tttypes.h:571
TT_SBit_LineMetricsRec_::min_advance_SB
FT_Char min_advance_SB
Definition: tttypes.h:568
TT_SBit_LineMetricsRec_::max_width
FT_Byte max_width
Definition: tttypes.h:563
TT_SBit_MetricsRec_
Definition: tttypes.h:460
TT_SBit_MetricsRec_::vertBearingY
FT_Short vertBearingY
Definition: tttypes.h:469
TT_SBit_MetricsRec_::horiBearingX
FT_Short horiBearingX
Definition: tttypes.h:464
TT_SBit_MetricsRec_::horiAdvance
FT_UShort horiAdvance
Definition: tttypes.h:466
TT_SBit_MetricsRec_::horiBearingY
FT_Short horiBearingY
Definition: tttypes.h:465
TT_SBit_MetricsRec_::vertBearingX
FT_Short vertBearingX
Definition: tttypes.h:468
TT_SBit_MetricsRec_::height
FT_UShort height
Definition: tttypes.h:461
TT_SBit_MetricsRec_::width
FT_UShort width
Definition: tttypes.h:462
TT_SBit_MetricsRec_::vertAdvance
FT_UShort vertAdvance
Definition: tttypes.h:470
TT_SBit_RangeRec_
Definition: tttypes.h:614
TT_SBit_RangeRec_::last_glyph
FT_UShort last_glyph
Definition: tttypes.h:616
TT_SBit_RangeRec_::first_glyph
FT_UShort first_glyph
Definition: tttypes.h:615
TT_SBit_RangeRec_::glyph_offsets
FT_ULong * glyph_offsets
Definition: tttypes.h:626
TT_SBit_RangeRec_::table_offset
FT_ULong table_offset
Definition: tttypes.h:629
TT_SBit_RangeRec_::index_format
FT_UShort index_format
Definition: tttypes.h:618
TT_SBit_RangeRec_::metrics
TT_SBit_MetricsRec metrics
Definition: tttypes.h:623
TT_SBit_RangeRec_::image_format
FT_UShort image_format
Definition: tttypes.h:619
TT_SBit_RangeRec_::glyph_codes
FT_UShort * glyph_codes
Definition: tttypes.h:627
TT_SBit_RangeRec_::image_size
FT_ULong image_size
Definition: tttypes.h:622
TT_SBit_RangeRec_::image_offset
FT_ULong image_offset
Definition: tttypes.h:620
TT_SBit_RangeRec_::num_glyphs
FT_ULong num_glyphs
Definition: tttypes.h:624
TT_SBit_ScaleRec_
Definition: tttypes.h:745
TT_SBit_ScaleRec_::x_ppem
FT_Byte x_ppem
Definition: tttypes.h:749
TT_SBit_ScaleRec_::hori
TT_SBit_LineMetricsRec hori
Definition: tttypes.h:746
TT_SBit_ScaleRec_::y_ppem_substitute
FT_Byte y_ppem_substitute
Definition: tttypes.h:753
TT_SBit_ScaleRec_::x_ppem_substitute
FT_Byte x_ppem_substitute
Definition: tttypes.h:752
TT_SBit_ScaleRec_::y_ppem
FT_Byte y_ppem
Definition: tttypes.h:750
TT_SBit_ScaleRec_::vert
TT_SBit_LineMetricsRec vert
Definition: tttypes.h:747
TT_SBit_Small_Metrics_
Definition: tttypes.h:497
TT_SBit_Small_Metrics_::advance
FT_Byte advance
Definition: tttypes.h:503
TT_SBit_Small_Metrics_::bearingX
FT_Char bearingX
Definition: tttypes.h:501
TT_SBit_Small_Metrics_::bearingY
FT_Char bearingY
Definition: tttypes.h:502
TT_SBit_Small_Metrics_::width
FT_Byte width
Definition: tttypes.h:499
TT_SBit_Small_Metrics_::height
FT_Byte height
Definition: tttypes.h:498
TT_SBit_StrikeRec_
Definition: tttypes.h:676
TT_SBit_StrikeRec_::start_glyph
FT_UShort start_glyph
Definition: tttypes.h:686
TT_SBit_StrikeRec_::hori
TT_SBit_LineMetricsRec hori
Definition: tttypes.h:683
TT_SBit_StrikeRec_::end_glyph
FT_UShort end_glyph
Definition: tttypes.h:687
TT_SBit_StrikeRec_::x_ppem
FT_Byte x_ppem
Definition: tttypes.h:689
TT_SBit_StrikeRec_::flags
FT_Char flags
Definition: tttypes.h:693
TT_SBit_StrikeRec_::color_ref
FT_ULong color_ref
Definition: tttypes.h:681
TT_SBit_StrikeRec_::vert
TT_SBit_LineMetricsRec vert
Definition: tttypes.h:684
TT_SBit_StrikeRec_::sbit_ranges
TT_SBit_Range sbit_ranges
Definition: tttypes.h:678
TT_SBit_StrikeRec_::ranges_offset
FT_ULong ranges_offset
Definition: tttypes.h:679
TT_SBit_StrikeRec_::bit_depth
FT_Byte bit_depth
Definition: tttypes.h:692
TT_SBit_StrikeRec_::y_ppem
FT_Byte y_ppem
Definition: tttypes.h:690
TT_SBit_StrikeRec_::num_ranges
FT_Int num_ranges
Definition: tttypes.h:677
TT_SizeRec_
Definition: ttobjs.h:276
TT_TableRec_
Definition: tttypes.h:131
TT_TableRec_::Offset
FT_ULong Offset
Definition: tttypes.h:134
TT_TableRec_::Length
FT_ULong Length
Definition: tttypes.h:135
TT_TableRec_::Tag
FT_ULong Tag
Definition: tttypes.h:132
TT_TableRec_::CheckSum
FT_ULong CheckSum
Definition: tttypes.h:133
TT_VertHeader_
Definition: tttables.h:322
WOFF_HeaderRec_
Definition: tttypes.h:154
WOFF_HeaderRec_::privOffset
FT_ULong privOffset
Definition: tttypes.h:166
WOFF_HeaderRec_::minorVersion
FT_UShort minorVersion
Definition: tttypes.h:162
WOFF_HeaderRec_::signature
FT_ULong signature
Definition: tttypes.h:155
WOFF_HeaderRec_::num_tables
FT_UShort num_tables
Definition: tttypes.h:158
WOFF_HeaderRec_::metaLength
FT_ULong metaLength
Definition: tttypes.h:164
WOFF_HeaderRec_::privLength
FT_ULong privLength
Definition: tttypes.h:167
WOFF_HeaderRec_::metaOrigLength
FT_ULong metaOrigLength
Definition: tttypes.h:165
WOFF_HeaderRec_::length
FT_ULong length
Definition: tttypes.h:157
WOFF_HeaderRec_::majorVersion
FT_UShort majorVersion
Definition: tttypes.h:161
WOFF_HeaderRec_::reserved
FT_UShort reserved
Definition: tttypes.h:159
WOFF_HeaderRec_::flavor
FT_ULong flavor
Definition: tttypes.h:156
WOFF_HeaderRec_::metaOffset
FT_ULong metaOffset
Definition: tttypes.h:163
WOFF_HeaderRec_::totalSfntSize
FT_ULong totalSfntSize
Definition: tttypes.h:160
WOFF_TableRec_
Definition: tttypes.h:197
WOFF_TableRec_::OrigOffset
FT_ULong OrigOffset
Definition: tttypes.h:204
WOFF_TableRec_::Tag
FT_ULong Tag
Definition: tttypes.h:198
WOFF_TableRec_::CompLength
FT_ULong CompLength
Definition: tttypes.h:200
WOFF_TableRec_::OrigLength
FT_ULong OrigLength
Definition: tttypes.h:201
WOFF_TableRec_::CheckSum
FT_ULong CheckSum
Definition: tttypes.h:202
WOFF_TableRec_::Offset
FT_ULong Offset
Definition: tttypes.h:199
tag
Definition: ecma_167.h:138
TT_Header
FT_BEGIN_HEADER struct TT_Header_ TT_Header
TT_Loader
struct TT_LoaderRec_ * TT_Loader
Definition: tttypes.h:981
TT_LangTagRec
struct TT_LangTagRec_ TT_LangTagRec
SFNT_Header
struct SFNT_HeaderRec_ * SFNT_Header
TT_Post_NamesRec
struct TT_Post_NamesRec_ TT_Post_NamesRec
TT_ExecContext
struct TT_ExecContextRec_ * TT_ExecContext
Definition: tttypes.h:1620
TT_GlyphZone
struct TT_GlyphZoneRec_ * TT_GlyphZone
TT_Loader_EndGlyphFunc
void(* TT_Loader_EndGlyphFunc)(TT_Loader loader)
Definition: tttypes.h:1082
TT_Loader_ReadGlyphFunc
FT_Error(* TT_Loader_ReadGlyphFunc)(TT_Loader loader)
Definition: tttypes.h:1067
TT_LongMetricsRec
struct TT_LongMetricsRec_ TT_LongMetricsRec
TT_NameTable
struct TT_NameTableRec_ * TT_NameTable
TT_SBit_ScaleRec
struct TT_SBit_ScaleRec_ TT_SBit_ScaleRec
TT_SBit_SmallMetricsRec
struct TT_SBit_Small_Metrics_ TT_SBit_SmallMetricsRec
WOFF_TableRec
struct WOFF_TableRec_ WOFF_TableRec
TT_NameTableRec
struct TT_NameTableRec_ TT_NameTableRec
TT_Face
struct TT_FaceRec_ * TT_Face
Definition: tttypes.h:973
TT_Post_25
struct TT_Post_25_ * TT_Post_25
TT_Loader_StartGlyphFunc
FT_Error(* TT_Loader_StartGlyphFunc)(TT_Loader loader, FT_UInt glyph_index, FT_ULong offset, FT_UInt byte_count)
Definition: tttypes.h:1045
TT_Post_Names
struct TT_Post_NamesRec_ * TT_Post_Names
TT_TableRec
struct TT_TableRec_ TT_TableRec
TT_LangTag
struct TT_LangTagRec_ * TT_LangTag
TT_SBit_Component
struct TT_SBit_ComponentRec_ * TT_SBit_Component
TT_ShortMetrics
FT_Short TT_ShortMetrics
Definition: tttypes.h:240
TT_FaceRec
struct TT_FaceRec_ TT_FaceRec
TT_SBit_Scale
struct TT_SBit_ScaleRec_ * TT_SBit_Scale
TT_GaspRange
struct TT_GaspRangeRec_ * TT_GaspRange
TT_SBit_Metrics
struct TT_SBit_MetricsRec_ * TT_SBit_Metrics
TT_SBit_LineMetrics
struct TT_SBit_LineMetricsRec_ * TT_SBit_LineMetrics
TT_Post_25Rec
struct TT_Post_25_ TT_Post_25Rec
TT_Size
struct TT_SizeRec_ * TT_Size
Definition: tttypes.h:1631
TT_Loader_GotoTableFunc
FT_Error(* TT_Loader_GotoTableFunc)(TT_Face face, FT_ULong tag, FT_Stream stream, FT_ULong *length)
Definition: tttypes.h:1010
TT_NameRec
struct TT_NameRec_ TT_NameRec
TT_Name
struct TT_NameRec_ * TT_Name
TT_SBit_Range
struct TT_SBit_RangeRec_ * TT_SBit_Range
TT_SbitTableType
enum TT_SbitTableType_ TT_SbitTableType
WOFF_Table
struct WOFF_TableRec_ * WOFF_Table
TT_SBit_LineMetricsRec
struct TT_SBit_LineMetricsRec_ TT_SBit_LineMetricsRec
TT_SBit_Strike
struct TT_SBit_StrikeRec_ * TT_SBit_Strike
TT_Interpreter
FT_Error(* TT_Interpreter)(void *exec_context)
Definition: tttypes.h:978
TT_SBit_StrikeRec
struct TT_SBit_StrikeRec_ TT_SBit_StrikeRec
TT_GaspRec
struct TT_Gasp_ TT_GaspRec
TT_Post_20Rec
struct TT_Post_20Rec_ TT_Post_20Rec
TT_LongMetrics
struct TT_LongMetricsRec_ * TT_LongMetrics
TT_LoaderRec
struct TT_LoaderRec_ TT_LoaderRec
WOFF_HeaderRec
struct WOFF_HeaderRec_ WOFF_HeaderRec
TT_SbitTableType_
TT_SbitTableType_
Definition: tttypes.h:1086
TT_SBIT_TABLE_TYPE_MAX
@ TT_SBIT_TABLE_TYPE_MAX
Definition: tttypes.h:1094
TT_SBIT_TABLE_TYPE_CBLC
@ TT_SBIT_TABLE_TYPE_CBLC
Definition: tttypes.h:1090
TT_SBIT_TABLE_TYPE_NONE
@ TT_SBIT_TABLE_TYPE_NONE
Definition: tttypes.h:1087
TT_SBIT_TABLE_TYPE_SBIX
@ TT_SBIT_TABLE_TYPE_SBIX
Definition: tttypes.h:1091
TT_SBIT_TABLE_TYPE_EBLC
@ TT_SBIT_TABLE_TYPE_EBLC
Definition: tttypes.h:1088
SFNT_HeaderRec
struct SFNT_HeaderRec_ SFNT_HeaderRec
TT_SBit_ComponentRec
struct TT_SBit_ComponentRec_ TT_SBit_ComponentRec
TTC_HeaderRec
FT_BEGIN_HEADER struct TTC_HeaderRec_ TTC_HeaderRec
TT_SBit_MetricsRec
struct TT_SBit_MetricsRec_ TT_SBit_MetricsRec
TT_GaspRangeRec
struct TT_GaspRangeRec_ TT_GaspRangeRec
TT_GlyphZoneRec
struct TT_GlyphZoneRec_ TT_GlyphZoneRec
TT_Post_20
struct TT_Post_20Rec_ * TT_Post_20
WOFF_Header
struct WOFF_HeaderRec_ * WOFF_Header
TT_SBit_RangeRec
struct TT_SBit_RangeRec_ TT_SBit_RangeRec
TT_Table
struct TT_TableRec_ * TT_Table
TT_SBit_SmallMetrics
struct TT_SBit_Small_Metrics_ * TT_SBit_SmallMetrics