1 /* 2 * 3 * (C) Copyright IBM Corp. 1998-2007 - All Rights Reserved 4 * 5 */ 6 7 #ifndef __LETYPES_H 8 #define __LETYPES_H 9 10 #if !defined(LE_USE_CMEMORY) && (defined(U_LAYOUT_IMPLEMENTATION) || defined(U_LAYOUTEX_IMPLEMENTATION) || defined(U_STATIC_IMPLEMENTATION) || defined(U_COMBINED_IMPLEMENTATION)) 11 #define LE_USE_CMEMORY 12 #endif 13 14 #include "unicode/utypes.h" 15 16 #ifdef XP_CPLUSPLUS 17 #include "unicode/uobject.h" 18 #endif 19 20 #ifdef LE_USE_CMEMORY 21 #include "cmemory.h" 22 #endif 23 24 U_NAMESPACE_BEGIN 25 26 /*! 27 * \file 28 * \brief Basic definitions for the ICU LayoutEngine 29 */ 30 31 /** 32 * A type used for signed, 32-bit integers. 33 * 34 * @stable ICU 2.4 35 */ 36 typedef int32_t le_int32; 37 38 /** 39 * A type used for unsigned, 32-bit integers. 40 * 41 * @stable ICU 2.4 42 */ 43 typedef uint32_t le_uint32; 44 45 /** 46 * A type used for signed, 16-bit integers. 47 * 48 * @stable ICU 2.4 49 */ 50 typedef int16_t le_int16; 51 52 /** 53 * A type used for unsigned, 16-bit integers. 54 * 55 * @stable ICU 2.4 56 */ 57 typedef uint16_t le_uint16; 58 59 /** 60 * A type used for signed, 8-bit integers. 61 * 62 * @stable ICU 2.4 63 */ 64 typedef int8_t le_int8; 65 66 /** 67 * A type used for unsigned, 8-bit integers. 68 * 69 * @stable ICU 2.4 70 */ 71 typedef uint8_t le_uint8; 72 73 74 /** 75 * A type used for boolean values. 76 * 77 * @stable ICU 2.4 78 */ 79 typedef UBool le_bool; 80 81 #ifndef NULL 82 /** 83 * Used to represent empty pointers. 84 * 85 * @stable ICU 2.4 86 */ 87 #define NULL 0 88 #endif 89 90 /** 91 * Used for four character tags. 92 * 93 * @stable ICU 2.4 94 */ 95 typedef le_uint32 LETag; 96 97 /** 98 * Used for 16-bit glyph indices as they're represented 99 * in TrueType font tables. 100 * 101 * @stable ICU 3.2 102 */ 103 typedef le_uint16 TTGlyphID; 104 105 /** 106 * Used for glyph indices. The low-order 16 bits are 107 * the glyph ID within the font. The next 8 bits are 108 * the sub-font ID within a compound font. The high- 109 * order 8 bits are client defined. The LayoutEngine 110 * will never change or look at the client defined bits. 111 * 112 * @stable ICU 3.2 113 */ 114 typedef le_uint32 LEGlyphID; 115 116 /** 117 * Used to mask off the glyph ID part of an LEGlyphID. 118 * 119 * @see LEGlyphID 120 * @stable ICU 3.2 121 */ 122 #define LE_GLYPH_MASK 0x0000FFFF 123 124 /** 125 * Used to shift the glyph ID part of an LEGlyphID 126 * into the low-order bits. 127 * 128 * @see LEGlyphID 129 * @stable ICU 3.2 130 */ 131 #define LE_GLYPH_SHIFT 0 132 133 134 /** 135 * Used to mask off the sub-font ID part of an LEGlyphID. 136 * 137 * @see LEGlyphID 138 * @stable ICU 3.2 139 */ 140 #define LE_SUB_FONT_MASK 0x00FF0000 141 142 /** 143 * Used to shift the sub-font ID part of an LEGlyphID 144 * into the low-order bits. 145 * 146 * @see LEGlyphID 147 * @stable ICU 3.2 148 */ 149 #define LE_SUB_FONT_SHIFT 16 150 151 152 /** 153 * Used to mask off the client-defined part of an LEGlyphID. 154 * 155 * @see LEGlyphID 156 * @stable ICU 3.2 157 */ 158 #define LE_CLIENT_MASK 0xFF000000 159 160 /** 161 * Used to shift the sub-font ID part of an LEGlyphID 162 * into the low-order bits. 163 * 164 * @see LEGlyphID 165 * @stable ICU 3.2 166 */ 167 #define LE_CLIENT_SHIFT 24 168 169 170 /** 171 * A convenience macro to get the Glyph ID part of an LEGlyphID. 172 * 173 * @see LEGlyphID 174 * @stable ICU 3.2 175 */ 176 #define LE_GET_GLYPH(gid) ((gid & LE_GLYPH_MASK) >> LE_GLYPH_SHIFT) 177 178 /** 179 * A convenience macro to get the sub-font ID part of an LEGlyphID. 180 * 181 * @see LEGlyphID 182 * @stable ICU 3.2 183 */ 184 #define LE_GET_SUB_FONT(gid) ((gid & LE_SUB_FONT_MASK) >> LE_SUB_FONT_SHIFT) 185 186 /** 187 * A convenience macro to get the client-defined part of an LEGlyphID. 188 * 189 * @see LEGlyphID 190 * @stable ICU 3.2 191 */ 192 #define LE_GET_CLIENT(gid) ((gid & LE_CLIENT_MASK) >> LE_CLIENT_SHIFT) 193 194 195 /** 196 * A convenience macro to set the Glyph ID part of an LEGlyphID. 197 * 198 * @see LEGlyphID 199 * @stable ICU 3.2 200 */ 201 #define LE_SET_GLYPH(gid, glyph) ((gid & ~LE_GLYPH_MASK) | ((glyph << LE_GLYPH_SHIFT) & LE_GLYPH_MASK)) 202 203 /** 204 * A convenience macro to set the sub-font ID part of an LEGlyphID. 205 * 206 * @see LEGlyphID 207 * @stable ICU 3.2 208 */ 209 #define LE_SET_SUB_FONT(gid, font) ((gid & ~LE_SUB_FONT_MASK) | ((font << LE_SUB_FONT_SHIFT) & LE_SUB_FONT_MASK)) 210 211 /** 212 * A convenience macro to set the client-defined part of an LEGlyphID. 213 * 214 * @see LEGlyphID 215 * @stable ICU 3.2 216 */ 217 #define LE_SET_CLIENT(gid, client) ((gid & ~LE_CLIENT_MASK) | ((client << LE_CLIENT_SHIFT) & LE_CLIENT_MASK)) 218 219 220 /** 221 * Used to represent 16-bit Unicode code points. 222 * 223 * @stable ICU 2.4 224 */ 225 typedef UChar LEUnicode16; 226 227 /** 228 * Used to represent 32-bit Unicode code points. 229 * 230 * @stable ICU 2.4 231 */ 232 typedef UChar32 LEUnicode32; 233 234 /** 235 * Used to represent 16-bit Unicode code points. 236 * 237 * @deprecated since ICU 2.4. Use LEUnicode16 instead 238 */ 239 typedef UChar LEUnicode; 240 241 /** 242 * Used to hold a pair of (x, y) values which represent a point. 243 * 244 * @stable ICU 2.4 245 */ 246 struct LEPoint 247 { 248 /** 249 * The x coordinate of the point. 250 * 251 * @stable ICU 2.4 252 */ 253 float fX; 254 255 /** 256 * The y coordinate of the point. 257 * 258 * @stable ICU 2.4 259 */ 260 float fY; 261 }; 262 263 #ifndef XP_CPLUSPLUS 264 /** 265 * Used to hold a pair of (x, y) values which represent a point. 266 * 267 * @stable ICU 2.4 268 */ 269 typedef struct LEPoint LEPoint; 270 #endif 271 272 273 /** 274 * A convenience macro to get the length of an array. 275 * 276 * @internal 277 */ 278 #define LE_ARRAY_SIZE(array) (sizeof array / sizeof array[0]) 279 280 #ifdef LE_USE_CMEMORY 281 /** 282 * A convenience macro for copying an array. 283 * 284 * @internal 285 */ 286 #define LE_ARRAY_COPY(dst, src, count) uprv_memcpy((void *) (dst), (void *) (src), (count) * sizeof (src)[0]) 287 288 /** 289 * Allocate an array of basic types. This is used to isolate the rest of 290 * the LayoutEngine code from cmemory.h. 291 * 292 * @internal 293 */ 294 #define LE_NEW_ARRAY(type, count) (type *) uprv_malloc((count) * sizeof(type)) 295 296 /** 297 * Re-allocate an array of basic types. This is used to isolate the rest of 298 * the LayoutEngine code from cmemory.h. 299 * 300 * @internal 301 */ 302 #define LE_GROW_ARRAY(array, newSize) uprv_realloc((void *) (array), (newSize) * sizeof (array)[0]) 303 304 /** 305 * Free an array of basic types. This is used to isolate the rest of 306 * the LayoutEngine code from cmemory.h. 307 * 308 * @internal 309 */ 310 #define LE_DELETE_ARRAY(array) uprv_free((void *) (array)) 311 #endif 312 313 /** 314 * A macro to construct the four-letter tags used to 315 * label TrueType tables, and for script, language and 316 * feature tags in OpenType tables. 317 * 318 * WARNING: THIS MACRO WILL ONLY WORK CORRECTLY IF 319 * THE ARGUMENT CHARACTERS ARE ASCII. 320 * 321 * @stable ICU 3.2 322 */ 323 #define LE_MAKE_TAG(a, b, c, d) \ 324 (((le_uint32)(a) << 24) | \ 325 ((le_uint32)(b) << 16) | \ 326 ((le_uint32)(c) << 8) | \ 327 (le_uint32)(d)) 328 329 /** 330 * This enumeration defines constants for the standard 331 * TrueType, OpenType and AAT table tags. 332 * 333 * @stable ICU 3.2 334 */ 335 enum LETableTags { 336 LE_ACNT_TABLE_TAG = 0x61636E74UL, /**< 'acnt' */ 337 LE_AVAR_TABLE_TAG = 0x61766172UL, /**< 'avar' */ 338 LE_BASE_TABLE_TAG = 0x42415345UL, /**< 'BASE' */ 339 LE_BDAT_TABLE_TAG = 0x62646174UL, /**< 'bdat' */ 340 LE_BHED_TABLE_TAG = 0x62686564UL, /**< 'bhed' */ 341 LE_BLOC_TABLE_TAG = 0x626C6F63UL, /**< 'bloc' */ 342 LE_BSLN_TABLE_TAG = 0x62736C6EUL, /**< 'bsln' */ 343 LE_CFF__TABLE_TAG = 0x43464620UL, /**< 'CFF ' */ 344 LE_CMAP_TABLE_TAG = 0x636D6170UL, /**< 'cmap' */ 345 LE_CVAR_TABLE_TAG = 0x63766172UL, /**< 'cvar' */ 346 LE_CVT__TABLE_TAG = 0x63767420UL, /**< 'cvt ' */ 347 LE_DSIG_TABLE_TAG = 0x44534947UL, /**< 'DSIG' */ 348 LE_EBDT_TABLE_TAG = 0x45424454UL, /**< 'EBDT' */ 349 LE_EBLC_TABLE_TAG = 0x45424C43UL, /**< 'EBLC' */ 350 LE_EBSC_TABLE_TAG = 0x45425343UL, /**< 'EBSC' */ 351 LE_FDSC_TABLE_TAG = 0x66647363UL, /**< 'fdsc' */ 352 LE_FEAT_TABLE_TAG = 0x66656174UL, /**< 'feat' */ 353 LE_FMTX_TABLE_TAG = 0x666D7478UL, /**< 'fmtx' */ 354 LE_FPGM_TABLE_TAG = 0x6670676DUL, /**< 'fpgm' */ 355 LE_FVAR_TABLE_TAG = 0x66766172UL, /**< 'fvar' */ 356 LE_GASP_TABLE_TAG = 0x67617370UL, /**< 'gasp' */ 357 LE_GDEF_TABLE_TAG = 0x47444546UL, /**< 'GDEF' */ 358 LE_GLYF_TABLE_TAG = 0x676C7966UL, /**< 'glyf' */ 359 LE_GPOS_TABLE_TAG = 0x47504F53UL, /**< 'GPOS' */ 360 LE_GSUB_TABLE_TAG = 0x47535542UL, /**< 'GSUB' */ 361 LE_GVAR_TABLE_TAG = 0x67766172UL, /**< 'gvar' */ 362 LE_HDMX_TABLE_TAG = 0x68646D78UL, /**< 'hdmx' */ 363 LE_HEAD_TABLE_TAG = 0x68656164UL, /**< 'head' */ 364 LE_HHEA_TABLE_TAG = 0x68686561UL, /**< 'hhea' */ 365 LE_HMTX_TABLE_TAG = 0x686D7478UL, /**< 'hmtx' */ 366 LE_HSTY_TABLE_TAG = 0x68737479UL, /**< 'hsty' */ 367 LE_JUST_TABLE_TAG = 0x6A757374UL, /**< 'just' */ 368 LE_JSTF_TABLE_TAG = 0x4A535446UL, /**< 'JSTF' */ 369 LE_KERN_TABLE_TAG = 0x6B65726EUL, /**< 'kern' */ 370 LE_LCAR_TABLE_TAG = 0x6C636172UL, /**< 'lcar' */ 371 LE_LOCA_TABLE_TAG = 0x6C6F6361UL, /**< 'loca' */ 372 LE_LTSH_TABLE_TAG = 0x4C545348UL, /**< 'LTSH' */ 373 LE_MAXP_TABLE_TAG = 0x6D617870UL, /**< 'maxp' */ 374 LE_MORT_TABLE_TAG = 0x6D6F7274UL, /**< 'mort' */ 375 LE_MORX_TABLE_TAG = 0x6D6F7278UL, /**< 'morx' */ 376 LE_NAME_TABLE_TAG = 0x6E616D65UL, /**< 'name' */ 377 LE_OPBD_TABLE_TAG = 0x6F706264UL, /**< 'opbd' */ 378 LE_OS_2_TABLE_TAG = 0x4F532F32UL, /**< 'OS/2' */ 379 LE_PCLT_TABLE_TAG = 0x50434C54UL, /**< 'PCLT' */ 380 LE_POST_TABLE_TAG = 0x706F7374UL, /**< 'post' */ 381 LE_PREP_TABLE_TAG = 0x70726570UL, /**< 'prep' */ 382 LE_PROP_TABLE_TAG = 0x70726F70UL, /**< 'prop' */ 383 LE_TRAK_TABLE_TAG = 0x7472616BUL, /**< 'trak' */ 384 LE_VDMX_TABLE_TAG = 0x56444D58UL, /**< 'VDMX' */ 385 LE_VHEA_TABLE_TAG = 0x76686561UL, /**< 'vhea' */ 386 LE_VMTX_TABLE_TAG = 0x766D7478UL, /**< 'vmtx' */ 387 LE_VORG_TABLE_TAG = 0x564F5247UL, /**< 'VORG' */ 388 LE_ZAPF_TABLE_TAG = 0x5A617066UL /**< 'Zapf' */ 389 }; 390 391 /** 392 * This enumeration defines constants for all 393 * the common OpenType feature tags. 394 * 395 * @stable ICU 3.2 396 */ 397 enum LEFeatureTags { 398 LE_AALT_FEATURE_TAG = 0x61616C74UL, /**< 'aalt' */ 399 LE_ABVF_FEATURE_TAG = 0x61627666UL, /**< 'abvf' */ 400 LE_ABVM_FEATURE_TAG = 0x6162766DUL, /**< 'abvm' */ 401 LE_ABVS_FEATURE_TAG = 0x61627673UL, /**< 'abvs' */ 402 LE_AFRC_FEATURE_TAG = 0x61667263UL, /**< 'afrc' */ 403 LE_AKHN_FEATURE_TAG = 0x616B686EUL, /**< 'akhn' */ 404 LE_BLWF_FEATURE_TAG = 0x626C7766UL, /**< 'blwf' */ 405 LE_BLWM_FEATURE_TAG = 0x626C776DUL, /**< 'blwm' */ 406 LE_BLWS_FEATURE_TAG = 0x626C7773UL, /**< 'blws' */ 407 LE_CALT_FEATURE_TAG = 0x63616C74UL, /**< 'calt' */ 408 LE_CASE_FEATURE_TAG = 0x63617365UL, /**< 'case' */ 409 LE_CCMP_FEATURE_TAG = 0x63636D70UL, /**< 'ccmp' */ 410 LE_CLIG_FEATURE_TAG = 0x636C6967UL, /**< 'clig' */ 411 LE_CPSP_FEATURE_TAG = 0x63707370UL, /**< 'cpsp' */ 412 LE_CSWH_FEATURE_TAG = 0x63737768UL, /**< 'cswh' */ 413 LE_CURS_FEATURE_TAG = 0x63757273UL, /**< 'curs' */ 414 LE_C2SC_FEATURE_TAG = 0x63327363UL, /**< 'c2sc' */ 415 LE_C2PC_FEATURE_TAG = 0x63327063UL, /**< 'c2pc' */ 416 LE_DIST_FEATURE_TAG = 0x64697374UL, /**< 'dist' */ 417 LE_DLIG_FEATURE_TAG = 0x646C6967UL, /**< 'dlig' */ 418 LE_DNOM_FEATURE_TAG = 0x646E6F6DUL, /**< 'dnom' */ 419 LE_EXPT_FEATURE_TAG = 0x65787074UL, /**< 'expt' */ 420 LE_FALT_FEATURE_TAG = 0x66616C74UL, /**< 'falt' */ 421 LE_FIN2_FEATURE_TAG = 0x66696E32UL, /**< 'fin2' */ 422 LE_FIN3_FEATURE_TAG = 0x66696E33UL, /**< 'fin3' */ 423 LE_FINA_FEATURE_TAG = 0x66696E61UL, /**< 'fina' */ 424 LE_FRAC_FEATURE_TAG = 0x66726163UL, /**< 'frac' */ 425 LE_FWID_FEATURE_TAG = 0x66776964UL, /**< 'fwid' */ 426 LE_HALF_FEATURE_TAG = 0x68616C66UL, /**< 'half' */ 427 LE_HALN_FEATURE_TAG = 0x68616C6EUL, /**< 'haln' */ 428 LE_HALT_FEATURE_TAG = 0x68616C74UL, /**< 'halt' */ 429 LE_HIST_FEATURE_TAG = 0x68697374UL, /**< 'hist' */ 430 LE_HKNA_FEATURE_TAG = 0x686B6E61UL, /**< 'hkna' */ 431 LE_HLIG_FEATURE_TAG = 0x686C6967UL, /**< 'hlig' */ 432 LE_HNGL_FEATURE_TAG = 0x686E676CUL, /**< 'hngl' */ 433 LE_HWID_FEATURE_TAG = 0x68776964UL, /**< 'hwid' */ 434 LE_INIT_FEATURE_TAG = 0x696E6974UL, /**< 'init' */ 435 LE_ISOL_FEATURE_TAG = 0x69736F6CUL, /**< 'isol' */ 436 LE_ITAL_FEATURE_TAG = 0x6974616CUL, /**< 'ital' */ 437 LE_JALT_FEATURE_TAG = 0x6A616C74UL, /**< 'jalt' */ 438 LE_JP78_FEATURE_TAG = 0x6A703738UL, /**< 'jp78' */ 439 LE_JP83_FEATURE_TAG = 0x6A703833UL, /**< 'jp83' */ 440 LE_JP90_FEATURE_TAG = 0x6A703930UL, /**< 'jp90' */ 441 LE_KERN_FEATURE_TAG = 0x6B65726EUL, /**< 'kern' */ 442 LE_LFBD_FEATURE_TAG = 0x6C666264UL, /**< 'lfbd' */ 443 LE_LIGA_FEATURE_TAG = 0x6C696761UL, /**< 'liga' */ 444 LE_LJMO_FEATURE_TAG = 0x6C6A6D6FUL, /**< 'ljmo' */ 445 LE_LNUM_FEATURE_TAG = 0x6C6E756DUL, /**< 'lnum' */ 446 LE_LOCL_FEATURE_TAG = 0x6C6F636CUL, /**< 'locl' */ 447 LE_MARK_FEATURE_TAG = 0x6D61726BUL, /**< 'mark' */ 448 LE_MED2_FEATURE_TAG = 0x6D656432UL, /**< 'med2' */ 449 LE_MEDI_FEATURE_TAG = 0x6D656469UL, /**< 'medi' */ 450 LE_MGRK_FEATURE_TAG = 0x6D67726BUL, /**< 'mgrk' */ 451 LE_MKMK_FEATURE_TAG = 0x6D6B6D6BUL, /**< 'mkmk' */ 452 LE_MSET_FEATURE_TAG = 0x6D736574UL, /**< 'mset' */ 453 LE_NALT_FEATURE_TAG = 0x6E616C74UL, /**< 'nalt' */ 454 LE_NLCK_FEATURE_TAG = 0x6E6C636BUL, /**< 'nlck' */ 455 LE_NUKT_FEATURE_TAG = 0x6E756B74UL, /**< 'nukt' */ 456 LE_NUMR_FEATURE_TAG = 0x6E756D72UL, /**< 'numr' */ 457 LE_ONUM_FEATURE_TAG = 0x6F6E756DUL, /**< 'onum' */ 458 LE_OPBD_FEATURE_TAG = 0x6F706264UL, /**< 'opbd' */ 459 LE_ORDN_FEATURE_TAG = 0x6F72646EUL, /**< 'ordn' */ 460 LE_ORNM_FEATURE_TAG = 0x6F726E6DUL, /**< 'ornm' */ 461 LE_PALT_FEATURE_TAG = 0x70616C74UL, /**< 'palt' */ 462 LE_PCAP_FEATURE_TAG = 0x70636170UL, /**< 'pcap' */ 463 LE_PNUM_FEATURE_TAG = 0x706E756DUL, /**< 'pnum' */ 464 LE_PREF_FEATURE_TAG = 0x70726566UL, /**< 'pref' */ 465 LE_PRES_FEATURE_TAG = 0x70726573UL, /**< 'pres' */ 466 LE_PSTF_FEATURE_TAG = 0x70737466UL, /**< 'pstf' */ 467 LE_PSTS_FEATURE_TAG = 0x70737473UL, /**< 'psts' */ 468 LE_PWID_FEATURE_TAG = 0x70776964UL, /**< 'pwid' */ 469 LE_QWID_FEATURE_TAG = 0x71776964UL, /**< 'qwid' */ 470 LE_RAND_FEATURE_TAG = 0x72616E64UL, /**< 'rand' */ 471 LE_RLIG_FEATURE_TAG = 0x726C6967UL, /**< 'rlig' */ 472 LE_RPHF_FEATURE_TAG = 0x72706866UL, /**< 'rphf' */ 473 LE_RTBD_FEATURE_TAG = 0x72746264UL, /**< 'rtbd' */ 474 LE_RTLA_FEATURE_TAG = 0x72746C61UL, /**< 'rtla' */ 475 LE_RUBY_FEATURE_TAG = 0x72756279UL, /**< 'ruby' */ 476 LE_SALT_FEATURE_TAG = 0x73616C74UL, /**< 'salt' */ 477 LE_SINF_FEATURE_TAG = 0x73696E66UL, /**< 'sinf' */ 478 LE_SIZE_FEATURE_TAG = 0x73697A65UL, /**< 'size' */ 479 LE_SMCP_FEATURE_TAG = 0x736D6370UL, /**< 'smcp' */ 480 LE_SMPL_FEATURE_TAG = 0x736D706CUL, /**< 'smpl' */ 481 LE_SS01_FEATURE_TAG = 0x73733031UL, /**< 'ss01' */ 482 LE_SS02_FEATURE_TAG = 0x73733032UL, /**< 'ss02' */ 483 LE_SS03_FEATURE_TAG = 0x73733033UL, /**< 'ss03' */ 484 LE_SS04_FEATURE_TAG = 0x73733034UL, /**< 'ss04' */ 485 LE_SS05_FEATURE_TAG = 0x73733035UL, /**< 'ss05' */ 486 LE_SS06_FEATURE_TAG = 0x73733036UL, /**< 'ss06' */ 487 LE_SS07_FEATURE_TAG = 0x73733037UL, /**< 'ss07' */ 488 LE_SS08_FEATURE_TAG = 0x73733038UL, /**< 'ss08' */ 489 LE_SS09_FEATURE_TAG = 0x73733039UL, /**< 'ss09' */ 490 LE_SS10_FEATURE_TAG = 0x73733130UL, /**< 'ss10' */ 491 LE_SS11_FEATURE_TAG = 0x73733131UL, /**< 'ss11' */ 492 LE_SS12_FEATURE_TAG = 0x73733132UL, /**< 'ss12' */ 493 LE_SS13_FEATURE_TAG = 0x73733133UL, /**< 'ss13' */ 494 LE_SS14_FEATURE_TAG = 0x73733134UL, /**< 'ss14' */ 495 LE_SS15_FEATURE_TAG = 0x73733135UL, /**< 'ss15' */ 496 LE_SS16_FEATURE_TAG = 0x73733136UL, /**< 'ss16' */ 497 LE_SS17_FEATURE_TAG = 0x73733137UL, /**< 'ss17' */ 498 LE_SS18_FEATURE_TAG = 0x73733138UL, /**< 'ss18' */ 499 LE_SS19_FEATURE_TAG = 0x73733139UL, /**< 'ss19' */ 500 LE_SS20_FEATURE_TAG = 0x73733230UL, /**< 'ss20' */ 501 LE_SUBS_FEATURE_TAG = 0x73756273UL, /**< 'subs' */ 502 LE_SUPS_FEATURE_TAG = 0x73757073UL, /**< 'sups' */ 503 LE_SWSH_FEATURE_TAG = 0x73777368UL, /**< 'swsh' */ 504 LE_TITL_FEATURE_TAG = 0x7469746CUL, /**< 'titl' */ 505 LE_TJMO_FEATURE_TAG = 0x746A6D6FUL, /**< 'tjmo' */ 506 LE_TNAM_FEATURE_TAG = 0x746E616DUL, /**< 'tnam' */ 507 LE_TNUM_FEATURE_TAG = 0x746E756DUL, /**< 'tnum' */ 508 LE_TRAD_FEATURE_TAG = 0x74726164UL, /**< 'trad' */ 509 LE_TWID_FEATURE_TAG = 0x74776964UL, /**< 'twid' */ 510 LE_UNIC_FEATURE_TAG = 0x756E6963UL, /**< 'unic' */ 511 LE_VALT_FEATURE_TAG = 0x76616C74UL, /**< 'valt' */ 512 LE_VATU_FEATURE_TAG = 0x76617475UL, /**< 'vatu' */ 513 LE_VERT_FEATURE_TAG = 0x76657274UL, /**< 'vert' */ 514 LE_VHAL_FEATURE_TAG = 0x7668616CUL, /**< 'vhal' */ 515 LE_VJMO_FEATURE_TAG = 0x766A6D6FUL, /**< 'vjmo' */ 516 LE_VKNA_FEATURE_TAG = 0x766B6E61UL, /**< 'vkna' */ 517 LE_VKRN_FEATURE_TAG = 0x766B726EUL, /**< 'vkrn' */ 518 LE_VPAL_FEATURE_TAG = 0x7670616CUL, /**< 'vpal' */ 519 LE_VRT2_FEATURE_TAG = 0x76727432UL, /**< 'vrt2' */ 520 LE_ZERO_FEATURE_TAG = 0x7A65726FUL /**< 'zero' */ 521 }; 522 523 /** 524 * Error codes returned by the LayoutEngine. 525 * 526 * @stable ICU 2.4 527 */ 528 enum LEErrorCode { 529 /* informational */ 530 LE_NO_SUBFONT_WARNING = U_USING_DEFAULT_WARNING, /**< The font does not contain subfonts. */ 531 532 /* success */ 533 LE_NO_ERROR = U_ZERO_ERROR, /**< No error, no warning. */ 534 535 /* failures */ 536 LE_ILLEGAL_ARGUMENT_ERROR = U_ILLEGAL_ARGUMENT_ERROR, /**< An illegal argument was detected. */ 537 LE_MEMORY_ALLOCATION_ERROR = U_MEMORY_ALLOCATION_ERROR, /**< Memory allocation error. */ 538 LE_INDEX_OUT_OF_BOUNDS_ERROR = U_INDEX_OUTOFBOUNDS_ERROR, /**< Trying to access an index that is out of bounds. */ 539 LE_NO_LAYOUT_ERROR = U_UNSUPPORTED_ERROR, /**< You must call layoutChars() first. */ 540 LE_INTERNAL_ERROR = U_INTERNAL_PROGRAM_ERROR, /**< An internal error was encountered. */ 541 LE_FONT_FILE_NOT_FOUND_ERROR = U_FILE_ACCESS_ERROR, /**< The requested font file cannot be opened. */ 542 LE_MISSING_FONT_TABLE_ERROR = U_MISSING_RESOURCE_ERROR /**< The requested font table does not exist. */ 543 }; 544 545 #ifndef XP_CPLUSPLUS 546 /** 547 * Error codes returned by the LayoutEngine. 548 * 549 * @stable ICU 2.4 550 */ 551 typedef enum LEErrorCode LEErrorCode; 552 #endif 553 554 /** 555 * A convenience macro to test for the success of a LayoutEngine call. 556 * 557 * @stable ICU 2.4 558 */ 559 #define LE_SUCCESS(code) (U_SUCCESS((UErrorCode)code)) 560 561 /** 562 * A convenience macro to test for the failure of a LayoutEngine call. 563 * 564 * @stable ICU 2.4 565 */ 566 #define LE_FAILURE(code) (U_FAILURE((UErrorCode)code)) 567 568 U_NAMESPACE_END 569 #endif 570 571 572