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annotate libs/ft2static/freetype/fttypes.h @ 1:e7ca128b8713

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looks nice :)
author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 02 Feb 2014 00:35:22 +0200
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nuclear@0 1 /***************************************************************************/
nuclear@0 2 /* */
nuclear@0 3 /* fttypes.h */
nuclear@0 4 /* */
nuclear@0 5 /* FreeType simple types definitions (specification only). */
nuclear@0 6 /* */
nuclear@0 7 /* Copyright 1996-2001, 2002, 2004, 2006, 2007, 2008 by */
nuclear@0 8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
nuclear@0 9 /* */
nuclear@0 10 /* This file is part of the FreeType project, and may only be used, */
nuclear@0 11 /* modified, and distributed under the terms of the FreeType project */
nuclear@0 12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
nuclear@0 13 /* this file you indicate that you have read the license and */
nuclear@0 14 /* understand and accept it fully. */
nuclear@0 15 /* */
nuclear@0 16 /***************************************************************************/
nuclear@0 17
nuclear@0 18
nuclear@0 19 #ifndef __FTTYPES_H__
nuclear@0 20 #define __FTTYPES_H__
nuclear@0 21
nuclear@0 22
nuclear@0 23 #include <ft2build.h>
nuclear@0 24 #include FT_CONFIG_CONFIG_H
nuclear@0 25 #include FT_SYSTEM_H
nuclear@0 26 #include FT_IMAGE_H
nuclear@0 27
nuclear@0 28 #include <stddef.h>
nuclear@0 29
nuclear@0 30
nuclear@0 31 FT_BEGIN_HEADER
nuclear@0 32
nuclear@0 33
nuclear@0 34 /*************************************************************************/
nuclear@0 35 /* */
nuclear@0 36 /* <Section> */
nuclear@0 37 /* basic_types */
nuclear@0 38 /* */
nuclear@0 39 /* <Title> */
nuclear@0 40 /* Basic Data Types */
nuclear@0 41 /* */
nuclear@0 42 /* <Abstract> */
nuclear@0 43 /* The basic data types defined by the library. */
nuclear@0 44 /* */
nuclear@0 45 /* <Description> */
nuclear@0 46 /* This section contains the basic data types defined by FreeType~2, */
nuclear@0 47 /* ranging from simple scalar types to bitmap descriptors. More */
nuclear@0 48 /* font-specific structures are defined in a different section. */
nuclear@0 49 /* */
nuclear@0 50 /* <Order> */
nuclear@0 51 /* FT_Byte */
nuclear@0 52 /* FT_Bytes */
nuclear@0 53 /* FT_Char */
nuclear@0 54 /* FT_Int */
nuclear@0 55 /* FT_UInt */
nuclear@0 56 /* FT_Int16 */
nuclear@0 57 /* FT_UInt16 */
nuclear@0 58 /* FT_Int32 */
nuclear@0 59 /* FT_UInt32 */
nuclear@0 60 /* FT_Short */
nuclear@0 61 /* FT_UShort */
nuclear@0 62 /* FT_Long */
nuclear@0 63 /* FT_ULong */
nuclear@0 64 /* FT_Bool */
nuclear@0 65 /* FT_Offset */
nuclear@0 66 /* FT_PtrDist */
nuclear@0 67 /* FT_String */
nuclear@0 68 /* FT_Tag */
nuclear@0 69 /* FT_Error */
nuclear@0 70 /* FT_Fixed */
nuclear@0 71 /* FT_Pointer */
nuclear@0 72 /* FT_Pos */
nuclear@0 73 /* FT_Vector */
nuclear@0 74 /* FT_BBox */
nuclear@0 75 /* FT_Matrix */
nuclear@0 76 /* FT_FWord */
nuclear@0 77 /* FT_UFWord */
nuclear@0 78 /* FT_F2Dot14 */
nuclear@0 79 /* FT_UnitVector */
nuclear@0 80 /* FT_F26Dot6 */
nuclear@0 81 /* */
nuclear@0 82 /* */
nuclear@0 83 /* FT_Generic */
nuclear@0 84 /* FT_Generic_Finalizer */
nuclear@0 85 /* */
nuclear@0 86 /* FT_Bitmap */
nuclear@0 87 /* FT_Pixel_Mode */
nuclear@0 88 /* FT_Palette_Mode */
nuclear@0 89 /* FT_Glyph_Format */
nuclear@0 90 /* FT_IMAGE_TAG */
nuclear@0 91 /* */
nuclear@0 92 /*************************************************************************/
nuclear@0 93
nuclear@0 94
nuclear@0 95 /*************************************************************************/
nuclear@0 96 /* */
nuclear@0 97 /* <Type> */
nuclear@0 98 /* FT_Bool */
nuclear@0 99 /* */
nuclear@0 100 /* <Description> */
nuclear@0 101 /* A typedef of unsigned char, used for simple booleans. As usual, */
nuclear@0 102 /* values 1 and~0 represent true and false, respectively. */
nuclear@0 103 /* */
nuclear@0 104 typedef unsigned char FT_Bool;
nuclear@0 105
nuclear@0 106
nuclear@0 107 /*************************************************************************/
nuclear@0 108 /* */
nuclear@0 109 /* <Type> */
nuclear@0 110 /* FT_FWord */
nuclear@0 111 /* */
nuclear@0 112 /* <Description> */
nuclear@0 113 /* A signed 16-bit integer used to store a distance in original font */
nuclear@0 114 /* units. */
nuclear@0 115 /* */
nuclear@0 116 typedef signed short FT_FWord; /* distance in FUnits */
nuclear@0 117
nuclear@0 118
nuclear@0 119 /*************************************************************************/
nuclear@0 120 /* */
nuclear@0 121 /* <Type> */
nuclear@0 122 /* FT_UFWord */
nuclear@0 123 /* */
nuclear@0 124 /* <Description> */
nuclear@0 125 /* An unsigned 16-bit integer used to store a distance in original */
nuclear@0 126 /* font units. */
nuclear@0 127 /* */
nuclear@0 128 typedef unsigned short FT_UFWord; /* unsigned distance */
nuclear@0 129
nuclear@0 130
nuclear@0 131 /*************************************************************************/
nuclear@0 132 /* */
nuclear@0 133 /* <Type> */
nuclear@0 134 /* FT_Char */
nuclear@0 135 /* */
nuclear@0 136 /* <Description> */
nuclear@0 137 /* A simple typedef for the _signed_ char type. */
nuclear@0 138 /* */
nuclear@0 139 typedef signed char FT_Char;
nuclear@0 140
nuclear@0 141
nuclear@0 142 /*************************************************************************/
nuclear@0 143 /* */
nuclear@0 144 /* <Type> */
nuclear@0 145 /* FT_Byte */
nuclear@0 146 /* */
nuclear@0 147 /* <Description> */
nuclear@0 148 /* A simple typedef for the _unsigned_ char type. */
nuclear@0 149 /* */
nuclear@0 150 typedef unsigned char FT_Byte;
nuclear@0 151
nuclear@0 152
nuclear@0 153 /*************************************************************************/
nuclear@0 154 /* */
nuclear@0 155 /* <Type> */
nuclear@0 156 /* FT_Bytes */
nuclear@0 157 /* */
nuclear@0 158 /* <Description> */
nuclear@0 159 /* A typedef for constant memory areas. */
nuclear@0 160 /* */
nuclear@0 161 typedef const FT_Byte* FT_Bytes;
nuclear@0 162
nuclear@0 163
nuclear@0 164 /*************************************************************************/
nuclear@0 165 /* */
nuclear@0 166 /* <Type> */
nuclear@0 167 /* FT_Tag */
nuclear@0 168 /* */
nuclear@0 169 /* <Description> */
nuclear@0 170 /* A typedef for 32-bit tags (as used in the SFNT format). */
nuclear@0 171 /* */
nuclear@0 172 typedef FT_UInt32 FT_Tag;
nuclear@0 173
nuclear@0 174
nuclear@0 175 /*************************************************************************/
nuclear@0 176 /* */
nuclear@0 177 /* <Type> */
nuclear@0 178 /* FT_String */
nuclear@0 179 /* */
nuclear@0 180 /* <Description> */
nuclear@0 181 /* A simple typedef for the char type, usually used for strings. */
nuclear@0 182 /* */
nuclear@0 183 typedef char FT_String;
nuclear@0 184
nuclear@0 185
nuclear@0 186 /*************************************************************************/
nuclear@0 187 /* */
nuclear@0 188 /* <Type> */
nuclear@0 189 /* FT_Short */
nuclear@0 190 /* */
nuclear@0 191 /* <Description> */
nuclear@0 192 /* A typedef for signed short. */
nuclear@0 193 /* */
nuclear@0 194 typedef signed short FT_Short;
nuclear@0 195
nuclear@0 196
nuclear@0 197 /*************************************************************************/
nuclear@0 198 /* */
nuclear@0 199 /* <Type> */
nuclear@0 200 /* FT_UShort */
nuclear@0 201 /* */
nuclear@0 202 /* <Description> */
nuclear@0 203 /* A typedef for unsigned short. */
nuclear@0 204 /* */
nuclear@0 205 typedef unsigned short FT_UShort;
nuclear@0 206
nuclear@0 207
nuclear@0 208 /*************************************************************************/
nuclear@0 209 /* */
nuclear@0 210 /* <Type> */
nuclear@0 211 /* FT_Int */
nuclear@0 212 /* */
nuclear@0 213 /* <Description> */
nuclear@0 214 /* A typedef for the int type. */
nuclear@0 215 /* */
nuclear@0 216 typedef signed int FT_Int;
nuclear@0 217
nuclear@0 218
nuclear@0 219 /*************************************************************************/
nuclear@0 220 /* */
nuclear@0 221 /* <Type> */
nuclear@0 222 /* FT_UInt */
nuclear@0 223 /* */
nuclear@0 224 /* <Description> */
nuclear@0 225 /* A typedef for the unsigned int type. */
nuclear@0 226 /* */
nuclear@0 227 typedef unsigned int FT_UInt;
nuclear@0 228
nuclear@0 229
nuclear@0 230 /*************************************************************************/
nuclear@0 231 /* */
nuclear@0 232 /* <Type> */
nuclear@0 233 /* FT_Long */
nuclear@0 234 /* */
nuclear@0 235 /* <Description> */
nuclear@0 236 /* A typedef for signed long. */
nuclear@0 237 /* */
nuclear@0 238 typedef signed long FT_Long;
nuclear@0 239
nuclear@0 240
nuclear@0 241 /*************************************************************************/
nuclear@0 242 /* */
nuclear@0 243 /* <Type> */
nuclear@0 244 /* FT_ULong */
nuclear@0 245 /* */
nuclear@0 246 /* <Description> */
nuclear@0 247 /* A typedef for unsigned long. */
nuclear@0 248 /* */
nuclear@0 249 typedef unsigned long FT_ULong;
nuclear@0 250
nuclear@0 251
nuclear@0 252 /*************************************************************************/
nuclear@0 253 /* */
nuclear@0 254 /* <Type> */
nuclear@0 255 /* FT_F2Dot14 */
nuclear@0 256 /* */
nuclear@0 257 /* <Description> */
nuclear@0 258 /* A signed 2.14 fixed float type used for unit vectors. */
nuclear@0 259 /* */
nuclear@0 260 typedef signed short FT_F2Dot14;
nuclear@0 261
nuclear@0 262
nuclear@0 263 /*************************************************************************/
nuclear@0 264 /* */
nuclear@0 265 /* <Type> */
nuclear@0 266 /* FT_F26Dot6 */
nuclear@0 267 /* */
nuclear@0 268 /* <Description> */
nuclear@0 269 /* A signed 26.6 fixed float type used for vectorial pixel */
nuclear@0 270 /* coordinates. */
nuclear@0 271 /* */
nuclear@0 272 typedef signed long FT_F26Dot6;
nuclear@0 273
nuclear@0 274
nuclear@0 275 /*************************************************************************/
nuclear@0 276 /* */
nuclear@0 277 /* <Type> */
nuclear@0 278 /* FT_Fixed */
nuclear@0 279 /* */
nuclear@0 280 /* <Description> */
nuclear@0 281 /* This type is used to store 16.16 fixed float values, like scaling */
nuclear@0 282 /* values or matrix coefficients. */
nuclear@0 283 /* */
nuclear@0 284 typedef signed long FT_Fixed;
nuclear@0 285
nuclear@0 286
nuclear@0 287 /*************************************************************************/
nuclear@0 288 /* */
nuclear@0 289 /* <Type> */
nuclear@0 290 /* FT_Error */
nuclear@0 291 /* */
nuclear@0 292 /* <Description> */
nuclear@0 293 /* The FreeType error code type. A value of~0 is always interpreted */
nuclear@0 294 /* as a successful operation. */
nuclear@0 295 /* */
nuclear@0 296 typedef int FT_Error;
nuclear@0 297
nuclear@0 298
nuclear@0 299 /*************************************************************************/
nuclear@0 300 /* */
nuclear@0 301 /* <Type> */
nuclear@0 302 /* FT_Pointer */
nuclear@0 303 /* */
nuclear@0 304 /* <Description> */
nuclear@0 305 /* A simple typedef for a typeless pointer. */
nuclear@0 306 /* */
nuclear@0 307 typedef void* FT_Pointer;
nuclear@0 308
nuclear@0 309
nuclear@0 310 /*************************************************************************/
nuclear@0 311 /* */
nuclear@0 312 /* <Type> */
nuclear@0 313 /* FT_Offset */
nuclear@0 314 /* */
nuclear@0 315 /* <Description> */
nuclear@0 316 /* This is equivalent to the ANSI~C `size_t' type, i.e., the largest */
nuclear@0 317 /* _unsigned_ integer type used to express a file size or position, */
nuclear@0 318 /* or a memory block size. */
nuclear@0 319 /* */
nuclear@0 320 typedef size_t FT_Offset;
nuclear@0 321
nuclear@0 322
nuclear@0 323 /*************************************************************************/
nuclear@0 324 /* */
nuclear@0 325 /* <Type> */
nuclear@0 326 /* FT_PtrDist */
nuclear@0 327 /* */
nuclear@0 328 /* <Description> */
nuclear@0 329 /* This is equivalent to the ANSI~C `ptrdiff_t' type, i.e., the */
nuclear@0 330 /* largest _signed_ integer type used to express the distance */
nuclear@0 331 /* between two pointers. */
nuclear@0 332 /* */
nuclear@0 333 typedef ft_ptrdiff_t FT_PtrDist;
nuclear@0 334
nuclear@0 335
nuclear@0 336 /*************************************************************************/
nuclear@0 337 /* */
nuclear@0 338 /* <Struct> */
nuclear@0 339 /* FT_UnitVector */
nuclear@0 340 /* */
nuclear@0 341 /* <Description> */
nuclear@0 342 /* A simple structure used to store a 2D vector unit vector. Uses */
nuclear@0 343 /* FT_F2Dot14 types. */
nuclear@0 344 /* */
nuclear@0 345 /* <Fields> */
nuclear@0 346 /* x :: Horizontal coordinate. */
nuclear@0 347 /* */
nuclear@0 348 /* y :: Vertical coordinate. */
nuclear@0 349 /* */
nuclear@0 350 typedef struct FT_UnitVector_
nuclear@0 351 {
nuclear@0 352 FT_F2Dot14 x;
nuclear@0 353 FT_F2Dot14 y;
nuclear@0 354
nuclear@0 355 } FT_UnitVector;
nuclear@0 356
nuclear@0 357
nuclear@0 358 /*************************************************************************/
nuclear@0 359 /* */
nuclear@0 360 /* <Struct> */
nuclear@0 361 /* FT_Matrix */
nuclear@0 362 /* */
nuclear@0 363 /* <Description> */
nuclear@0 364 /* A simple structure used to store a 2x2 matrix. Coefficients are */
nuclear@0 365 /* in 16.16 fixed float format. The computation performed is: */
nuclear@0 366 /* */
nuclear@0 367 /* { */
nuclear@0 368 /* x' = x*xx + y*xy */
nuclear@0 369 /* y' = x*yx + y*yy */
nuclear@0 370 /* } */
nuclear@0 371 /* */
nuclear@0 372 /* <Fields> */
nuclear@0 373 /* xx :: Matrix coefficient. */
nuclear@0 374 /* */
nuclear@0 375 /* xy :: Matrix coefficient. */
nuclear@0 376 /* */
nuclear@0 377 /* yx :: Matrix coefficient. */
nuclear@0 378 /* */
nuclear@0 379 /* yy :: Matrix coefficient. */
nuclear@0 380 /* */
nuclear@0 381 typedef struct FT_Matrix_
nuclear@0 382 {
nuclear@0 383 FT_Fixed xx, xy;
nuclear@0 384 FT_Fixed yx, yy;
nuclear@0 385
nuclear@0 386 } FT_Matrix;
nuclear@0 387
nuclear@0 388
nuclear@0 389 /*************************************************************************/
nuclear@0 390 /* */
nuclear@0 391 /* <Struct> */
nuclear@0 392 /* FT_Data */
nuclear@0 393 /* */
nuclear@0 394 /* <Description> */
nuclear@0 395 /* Read-only binary data represented as a pointer and a length. */
nuclear@0 396 /* */
nuclear@0 397 /* <Fields> */
nuclear@0 398 /* pointer :: The data. */
nuclear@0 399 /* */
nuclear@0 400 /* length :: The length of the data in bytes. */
nuclear@0 401 /* */
nuclear@0 402 typedef struct FT_Data_
nuclear@0 403 {
nuclear@0 404 const FT_Byte* pointer;
nuclear@0 405 FT_Int length;
nuclear@0 406
nuclear@0 407 } FT_Data;
nuclear@0 408
nuclear@0 409
nuclear@0 410 /*************************************************************************/
nuclear@0 411 /* */
nuclear@0 412 /* <FuncType> */
nuclear@0 413 /* FT_Generic_Finalizer */
nuclear@0 414 /* */
nuclear@0 415 /* <Description> */
nuclear@0 416 /* Describe a function used to destroy the `client' data of any */
nuclear@0 417 /* FreeType object. See the description of the @FT_Generic type for */
nuclear@0 418 /* details of usage. */
nuclear@0 419 /* */
nuclear@0 420 /* <Input> */
nuclear@0 421 /* The address of the FreeType object which is under finalization. */
nuclear@0 422 /* Its client data is accessed through its `generic' field. */
nuclear@0 423 /* */
nuclear@0 424 typedef void (*FT_Generic_Finalizer)(void* object);
nuclear@0 425
nuclear@0 426
nuclear@0 427 /*************************************************************************/
nuclear@0 428 /* */
nuclear@0 429 /* <Struct> */
nuclear@0 430 /* FT_Generic */
nuclear@0 431 /* */
nuclear@0 432 /* <Description> */
nuclear@0 433 /* Client applications often need to associate their own data to a */
nuclear@0 434 /* variety of FreeType core objects. For example, a text layout API */
nuclear@0 435 /* might want to associate a glyph cache to a given size object. */
nuclear@0 436 /* */
nuclear@0 437 /* Most FreeType object contains a `generic' field, of type */
nuclear@0 438 /* FT_Generic, which usage is left to client applications and font */
nuclear@0 439 /* servers. */
nuclear@0 440 /* */
nuclear@0 441 /* It can be used to store a pointer to client-specific data, as well */
nuclear@0 442 /* as the address of a `finalizer' function, which will be called by */
nuclear@0 443 /* FreeType when the object is destroyed (for example, the previous */
nuclear@0 444 /* client example would put the address of the glyph cache destructor */
nuclear@0 445 /* in the `finalizer' field). */
nuclear@0 446 /* */
nuclear@0 447 /* <Fields> */
nuclear@0 448 /* data :: A typeless pointer to any client-specified data. This */
nuclear@0 449 /* field is completely ignored by the FreeType library. */
nuclear@0 450 /* */
nuclear@0 451 /* finalizer :: A pointer to a `generic finalizer' function, which */
nuclear@0 452 /* will be called when the object is destroyed. If this */
nuclear@0 453 /* field is set to NULL, no code will be called. */
nuclear@0 454 /* */
nuclear@0 455 typedef struct FT_Generic_
nuclear@0 456 {
nuclear@0 457 void* data;
nuclear@0 458 FT_Generic_Finalizer finalizer;
nuclear@0 459
nuclear@0 460 } FT_Generic;
nuclear@0 461
nuclear@0 462
nuclear@0 463 /*************************************************************************/
nuclear@0 464 /* */
nuclear@0 465 /* <Macro> */
nuclear@0 466 /* FT_MAKE_TAG */
nuclear@0 467 /* */
nuclear@0 468 /* <Description> */
nuclear@0 469 /* This macro converts four-letter tags which are used to label */
nuclear@0 470 /* TrueType tables into an unsigned long to be used within FreeType. */
nuclear@0 471 /* */
nuclear@0 472 /* <Note> */
nuclear@0 473 /* The produced values *must* be 32-bit integers. Don't redefine */
nuclear@0 474 /* this macro. */
nuclear@0 475 /* */
nuclear@0 476 #define FT_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
nuclear@0 477 (FT_Tag) \
nuclear@0 478 ( ( (FT_ULong)_x1 << 24 ) | \
nuclear@0 479 ( (FT_ULong)_x2 << 16 ) | \
nuclear@0 480 ( (FT_ULong)_x3 << 8 ) | \
nuclear@0 481 (FT_ULong)_x4 )
nuclear@0 482
nuclear@0 483
nuclear@0 484 /*************************************************************************/
nuclear@0 485 /*************************************************************************/
nuclear@0 486 /* */
nuclear@0 487 /* L I S T M A N A G E M E N T */
nuclear@0 488 /* */
nuclear@0 489 /*************************************************************************/
nuclear@0 490 /*************************************************************************/
nuclear@0 491
nuclear@0 492
nuclear@0 493 /*************************************************************************/
nuclear@0 494 /* */
nuclear@0 495 /* <Section> */
nuclear@0 496 /* list_processing */
nuclear@0 497 /* */
nuclear@0 498 /*************************************************************************/
nuclear@0 499
nuclear@0 500
nuclear@0 501 /*************************************************************************/
nuclear@0 502 /* */
nuclear@0 503 /* <Type> */
nuclear@0 504 /* FT_ListNode */
nuclear@0 505 /* */
nuclear@0 506 /* <Description> */
nuclear@0 507 /* Many elements and objects in FreeType are listed through an */
nuclear@0 508 /* @FT_List record (see @FT_ListRec). As its name suggests, an */
nuclear@0 509 /* FT_ListNode is a handle to a single list element. */
nuclear@0 510 /* */
nuclear@0 511 typedef struct FT_ListNodeRec_* FT_ListNode;
nuclear@0 512
nuclear@0 513
nuclear@0 514 /*************************************************************************/
nuclear@0 515 /* */
nuclear@0 516 /* <Type> */
nuclear@0 517 /* FT_List */
nuclear@0 518 /* */
nuclear@0 519 /* <Description> */
nuclear@0 520 /* A handle to a list record (see @FT_ListRec). */
nuclear@0 521 /* */
nuclear@0 522 typedef struct FT_ListRec_* FT_List;
nuclear@0 523
nuclear@0 524
nuclear@0 525 /*************************************************************************/
nuclear@0 526 /* */
nuclear@0 527 /* <Struct> */
nuclear@0 528 /* FT_ListNodeRec */
nuclear@0 529 /* */
nuclear@0 530 /* <Description> */
nuclear@0 531 /* A structure used to hold a single list element. */
nuclear@0 532 /* */
nuclear@0 533 /* <Fields> */
nuclear@0 534 /* prev :: The previous element in the list. NULL if first. */
nuclear@0 535 /* */
nuclear@0 536 /* next :: The next element in the list. NULL if last. */
nuclear@0 537 /* */
nuclear@0 538 /* data :: A typeless pointer to the listed object. */
nuclear@0 539 /* */
nuclear@0 540 typedef struct FT_ListNodeRec_
nuclear@0 541 {
nuclear@0 542 FT_ListNode prev;
nuclear@0 543 FT_ListNode next;
nuclear@0 544 void* data;
nuclear@0 545
nuclear@0 546 } FT_ListNodeRec;
nuclear@0 547
nuclear@0 548
nuclear@0 549 /*************************************************************************/
nuclear@0 550 /* */
nuclear@0 551 /* <Struct> */
nuclear@0 552 /* FT_ListRec */
nuclear@0 553 /* */
nuclear@0 554 /* <Description> */
nuclear@0 555 /* A structure used to hold a simple doubly-linked list. These are */
nuclear@0 556 /* used in many parts of FreeType. */
nuclear@0 557 /* */
nuclear@0 558 /* <Fields> */
nuclear@0 559 /* head :: The head (first element) of doubly-linked list. */
nuclear@0 560 /* */
nuclear@0 561 /* tail :: The tail (last element) of doubly-linked list. */
nuclear@0 562 /* */
nuclear@0 563 typedef struct FT_ListRec_
nuclear@0 564 {
nuclear@0 565 FT_ListNode head;
nuclear@0 566 FT_ListNode tail;
nuclear@0 567
nuclear@0 568 } FT_ListRec;
nuclear@0 569
nuclear@0 570
nuclear@0 571 /* */
nuclear@0 572
nuclear@0 573 #define FT_IS_EMPTY( list ) ( (list).head == 0 )
nuclear@0 574
nuclear@0 575 /* return base error code (without module-specific prefix) */
nuclear@0 576 #define FT_ERROR_BASE( x ) ( (x) & 0xFF )
nuclear@0 577
nuclear@0 578 /* return module error code */
nuclear@0 579 #define FT_ERROR_MODULE( x ) ( (x) & 0xFF00U )
nuclear@0 580
nuclear@0 581 #define FT_BOOL( x ) ( (FT_Bool)( x ) )
nuclear@0 582
nuclear@0 583 FT_END_HEADER
nuclear@0 584
nuclear@0 585 #endif /* __FTTYPES_H__ */
nuclear@0 586
nuclear@0 587
nuclear@0 588 /* END */