1 /* 2 * 3 * (C) Copyright IBM Corp. 1998-2009 - 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 /*! 25 * \file 26 * \brief C API: Basic definitions for the ICU LayoutEngine 27 */ 28 29 /** 30 * A type used for signed, 32-bit integers. 31 * 32 * @stable ICU 2.4 33 */ 34 typedef int32_t le_int32; 35 36 /** 37 * A type used for unsigned, 32-bit integers. 38 * 39 * @stable ICU 2.4 40 */ 41 typedef uint32_t le_uint32; 42 43 /** 44 * A type used for signed, 16-bit integers. 45 * 46 * @stable ICU 2.4 47 */ 48 typedef int16_t le_int16; 49 50 /** 51 * A type used for unsigned, 16-bit integers. 52 * 53 * @stable ICU 2.4 54 */ 55 typedef uint16_t le_uint16; 56 57 /** 58 * A type used for signed, 8-bit integers. 59 * 60 * @stable ICU 2.4 61 */ 62 typedef int8_t le_int8; 63 64 /** 65 * A type used for unsigned, 8-bit integers. 66 * 67 * @stable ICU 2.4 68 */ 69 typedef uint8_t le_uint8; 70 71 72 /** 73 * A type used for boolean values. 74 * 75 * @stable ICU 2.4 76 */ 77 typedef UBool le_bool; 78 79 #ifndef NULL 80 /** 81 * Used to represent empty pointers. 82 * 83 * @stable ICU 2.4 84 */ 85 #define NULL 0 86 #endif 87 88 /** 89 * Used for four character tags. 90 * 91 * @stable ICU 2.4 92 */ 93 typedef le_uint32 LETag; 94 95 /** 96 * Used for 16-bit glyph indices as they're represented 97 * in TrueType font tables. 98 * 99 * @stable ICU 3.2 100 */ 101 typedef le_uint16 TTGlyphID; 102 103 /** 104 * Used for glyph indices. The low-order 16 bits are 105 * the glyph ID within the font. The next 8 bits are 106 * the sub-font ID within a compound font. The high- 107 * order 8 bits are client defined. The LayoutEngine 108 * will never change or look at the client defined bits. 109 * 110 * @stable ICU 3.2 111 */ 112 typedef le_uint32 LEGlyphID; 113 114 /** 115 * Used to mask off the glyph ID part of an LEGlyphID. 116 * 117 * @see LEGlyphID 118 * @stable ICU 3.2 119 */ 120 #define LE_GLYPH_MASK 0x0000FFFF 121 122 /** 123 * Used to shift the glyph ID part of an LEGlyphID 124 * into the low-order bits. 125 * 126 * @see LEGlyphID 127 * @stable ICU 3.2 128 */ 129 #define LE_GLYPH_SHIFT 0 130 131 132 /** 133 * Used to mask off the sub-font ID part of an LEGlyphID. 134 * 135 * @see LEGlyphID 136 * @stable ICU 3.2 137 */ 138 #define LE_SUB_FONT_MASK 0x00FF0000 139 140 /** 141 * Used to shift the sub-font ID part of an LEGlyphID 142 * into the low-order bits. 143 * 144 * @see LEGlyphID 145 * @stable ICU 3.2 146 */ 147 #define LE_SUB_FONT_SHIFT 16 148 149 150 /** 151 * Used to mask off the client-defined part of an LEGlyphID. 152 * 153 * @see LEGlyphID 154 * @stable ICU 3.2 155 */ 156 #define LE_CLIENT_MASK 0xFF000000 157 158 /** 159 * Used to shift the sub-font ID part of an LEGlyphID 160 * into the low-order bits. 161 * 162 * @see LEGlyphID 163 * @stable ICU 3.2 164 */ 165 #define LE_CLIENT_SHIFT 24 166 167 168 /** 169 * A convenience macro to get the Glyph ID part of an LEGlyphID. 170 * 171 * @see LEGlyphID 172 * @stable ICU 3.2 173 */ 174 #define LE_GET_GLYPH(gid) ((gid & LE_GLYPH_MASK) >> LE_GLYPH_SHIFT) 175 176 /** 177 * A convenience macro to get the sub-font ID part of an LEGlyphID. 178 * 179 * @see LEGlyphID 180 * @stable ICU 3.2 181 */ 182 #define LE_GET_SUB_FONT(gid) ((gid & LE_SUB_FONT_MASK) >> LE_SUB_FONT_SHIFT) 183 184 /** 185 * A convenience macro to get the client-defined part of an LEGlyphID. 186 * 187 * @see LEGlyphID 188 * @stable ICU 3.2 189 */ 190 #define LE_GET_CLIENT(gid) ((gid & LE_CLIENT_MASK) >> LE_CLIENT_SHIFT) 191 192 193 /** 194 * A convenience macro to set the Glyph ID part of an LEGlyphID. 195 * 196 * @see LEGlyphID 197 * @stable ICU 3.2 198 */ 199 #define LE_SET_GLYPH(gid, glyph) ((gid & ~LE_GLYPH_MASK) | ((glyph << LE_GLYPH_SHIFT) & LE_GLYPH_MASK)) 200 201 /** 202 * A convenience macro to set the sub-font ID part of an LEGlyphID. 203 * 204 * @see LEGlyphID 205 * @stable ICU 3.2 206 */ 207 #define LE_SET_SUB_FONT(gid, font) ((gid & ~LE_SUB_FONT_MASK) | ((font << LE_SUB_FONT_SHIFT) & LE_SUB_FONT_MASK)) 208 209 /** 210 * A convenience macro to set the client-defined part of an LEGlyphID. 211 * 212 * @see LEGlyphID 213 * @stable ICU 3.2 214 */ 215 #define LE_SET_CLIENT(gid, client) ((gid & ~LE_CLIENT_MASK) | ((client << LE_CLIENT_SHIFT) & LE_CLIENT_MASK)) 216 217 218 /** 219 * Used to represent 16-bit Unicode code points. 220 * 221 * @stable ICU 2.4 222 */ 223 typedef UChar LEUnicode16; 224 225 /** 226 * Used to represent 32-bit Unicode code points. 227 * 228 * @stable ICU 2.4 229 */ 230 typedef UChar32 LEUnicode32; 231 232 /** 233 * Used to represent 16-bit Unicode code points. 234 * 235 * @deprecated since ICU 2.4. Use LEUnicode16 instead 236 */ 237 typedef UChar LEUnicode; 238 239 /** 240 * Used to hold a pair of (x, y) values which represent a point. 241 * 242 * @stable ICU 2.4 243 */ 244 struct LEPoint 245 { 246 /** 247 * The x coordinate of the point. 248 * 249 * @stable ICU 2.4 250 */ 251 float fX; 252 253 /** 254 * The y coordinate of the point. 255 * 256 * @stable ICU 2.4 257 */ 258 float fY; 259 }; 260 261 #ifndef XP_CPLUSPLUS 262 /** 263 * Used to hold a pair of (x, y) values which represent a point. 264 * 265 * @stable ICU 2.4 266 */ 267 typedef struct LEPoint LEPoint; 268 #endif 269 270 271 /** 272 * A convenience macro to get the length of an array. 273 * 274 * @internal 275 */ 276 #define LE_ARRAY_SIZE(array) (sizeof array / sizeof array[0]) 277 278 #ifdef LE_USE_CMEMORY 279 /** 280 * A convenience macro for copying an array. 281 * 282 * @internal 283 */ 284 #define LE_ARRAY_COPY(dst, src, count) uprv_memcpy((void *) (dst), (void *) (src), (count) * sizeof (src)[0]) 285 286 /** 287 * Allocate an array of basic types. This is used to isolate the rest of 288 * the LayoutEngine code from cmemory.h. 289 * 290 * @internal 291 */ 292 #define LE_NEW_ARRAY(type, count) (type *) uprv_malloc((count) * sizeof(type)) 293 294 /** 295 * Re-allocate an array of basic types. This is used to isolate the rest of 296 * the LayoutEngine code from cmemory.h. 297 * 298 * @internal 299 */ 300 #define LE_GROW_ARRAY(array, newSize) uprv_realloc((void *) (array), (newSize) * sizeof (array)[0]) 301 302 /** 303 * Free an array of basic types. This is used to isolate the rest of 304 * the LayoutEngine code from cmemory.h. 305 * 306 * @internal 307 */ 308 #define LE_DELETE_ARRAY(array) uprv_free((void *) (array)) 309 #endif 310 311 /** 312 * A macro to construct the four-letter tags used to 313 * label TrueType tables, and for script, language and 314 * feature tags in OpenType tables. 315 * 316 * WARNING: THIS MACRO WILL ONLY WORK CORRECTLY IF 317 * THE ARGUMENT CHARACTERS ARE ASCII. 318 * 319 * @stable ICU 3.2 320 */ 321 #define LE_MAKE_TAG(a, b, c, d) \ 322 (((le_uint32)(a) << 24) | \ 323 ((le_uint32)(b) << 16) | \ 324 ((le_uint32)(c) << 8) | \ 325 (le_uint32)(d)) 326 327 /** 328 * This enumeration defines constants for the standard 329 * TrueType, OpenType and AAT table tags. 330 * 331 * @stable ICU 3.2 332 */ 333 enum LETableTags { 334 LE_ACNT_TABLE_TAG = 0x61636E74UL, /**< 'acnt' */ 335 LE_AVAR_TABLE_TAG = 0x61766172UL, /**< 'avar' */ 336 LE_BASE_TABLE_TAG = 0x42415345UL, /**< 'BASE' */ 337 LE_BDAT_TABLE_TAG = 0x62646174UL, /**< 'bdat' */ 338 LE_BHED_TABLE_TAG = 0x62686564UL, /**< 'bhed' */ 339 LE_BLOC_TABLE_TAG = 0x626C6F63UL, /**< 'bloc' */ 340 LE_BSLN_TABLE_TAG = 0x62736C6EUL, /**< 'bsln' */ 341 LE_CFF__TABLE_TAG = 0x43464620UL, /**< 'CFF ' */ 342 LE_CMAP_TABLE_TAG = 0x636D6170UL, /**< 'cmap' */ 343 LE_CVAR_TABLE_TAG = 0x63766172UL, /**< 'cvar' */ 344 LE_CVT__TABLE_TAG = 0x63767420UL, /**< 'cvt ' */ 345 LE_DSIG_TABLE_TAG = 0x44534947UL, /**< 'DSIG' */ 346 LE_EBDT_TABLE_TAG = 0x45424454UL, /**< 'EBDT' */ 347 LE_EBLC_TABLE_TAG = 0x45424C43UL, /**< 'EBLC' */ 348 LE_EBSC_TABLE_TAG = 0x45425343UL, /**< 'EBSC' */ 349 LE_FDSC_TABLE_TAG = 0x66647363UL, /**< 'fdsc' */ 350 LE_FEAT_TABLE_TAG = 0x66656174UL, /**< 'feat' */ 351 LE_FMTX_TABLE_TAG = 0x666D7478UL, /**< 'fmtx' */ 352 LE_FPGM_TABLE_TAG = 0x6670676DUL, /**< 'fpgm' */ 353 LE_FVAR_TABLE_TAG = 0x66766172UL, /**< 'fvar' */ 354 LE_GASP_TABLE_TAG = 0x67617370UL, /**< 'gasp' */ 355 LE_GDEF_TABLE_TAG = 0x47444546UL, /**< 'GDEF' */ 356 LE_GLYF_TABLE_TAG = 0x676C7966UL, /**< 'glyf' */ 357 LE_GPOS_TABLE_TAG = 0x47504F53UL, /**< 'GPOS' */ 358 LE_GSUB_TABLE_TAG = 0x47535542UL, /**< 'GSUB' */ 359 LE_GVAR_TABLE_TAG = 0x67766172UL, /**< 'gvar' */ 360 LE_HDMX_TABLE_TAG = 0x68646D78UL, /**< 'hdmx' */ 361 LE_HEAD_TABLE_TAG = 0x68656164UL, /**< 'head' */ 362 LE_HHEA_TABLE_TAG = 0x68686561UL, /**< 'hhea' */ 363 LE_HMTX_TABLE_TAG = 0x686D7478UL, /**< 'hmtx' */ 364 LE_HSTY_TABLE_TAG = 0x68737479UL, /**< 'hsty' */ 365 LE_JUST_TABLE_TAG = 0x6A757374UL, /**< 'just' */ 366 LE_JSTF_TABLE_TAG = 0x4A535446UL, /**< 'JSTF' */ 367 LE_KERN_TABLE_TAG = 0x6B65726EUL, /**< 'kern' */ 368 LE_LCAR_TABLE_TAG = 0x6C636172UL, /**< 'lcar' */ 369 LE_LOCA_TABLE_TAG = 0x6C6F6361UL, /**< 'loca' */ 370 LE_LTSH_TABLE_TAG = 0x4C545348UL, /**< 'LTSH' */ 371 LE_MAXP_TABLE_TAG = 0x6D617870UL, /**< 'maxp' */ 372 LE_MORT_TABLE_TAG = 0x6D6F7274UL, /**< 'mort' */ 373 LE_MORX_TABLE_TAG = 0x6D6F7278UL, /**< 'morx' */ 374 LE_NAME_TABLE_TAG = 0x6E616D65UL, /**< 'name' */ 375 LE_OPBD_TABLE_TAG = 0x6F706264UL, /**< 'opbd' */ 376 LE_OS_2_TABLE_TAG = 0x4F532F32UL, /**< 'OS/2' */ 377 LE_PCLT_TABLE_TAG = 0x50434C54UL, /**< 'PCLT' */ 378 LE_POST_TABLE_TAG = 0x706F7374UL, /**< 'post' */ 379 LE_PREP_TABLE_TAG = 0x70726570UL, /**< 'prep' */ 380 LE_PROP_TABLE_TAG = 0x70726F70UL, /**< 'prop' */ 381 LE_TRAK_TABLE_TAG = 0x7472616BUL, /**< 'trak' */ 382 LE_VDMX_TABLE_TAG = 0x56444D58UL, /**< 'VDMX' */ 383 LE_VHEA_TABLE_TAG = 0x76686561UL, /**< 'vhea' */ 384 LE_VMTX_TABLE_TAG = 0x766D7478UL, /**< 'vmtx' */ 385 LE_VORG_TABLE_TAG = 0x564F5247UL, /**< 'VORG' */ 386 LE_ZAPF_TABLE_TAG = 0x5A617066UL /**< 'Zapf' */ 387 }; 388 389 /** 390 * This enumeration defines constants for all 391 * the common OpenType feature tags. 392 * 393 * @stable ICU 3.2 394 */ 395 enum LEFeatureTags { 396 LE_AALT_FEATURE_TAG = 0x61616C74UL, /**< 'aalt' */ 397 LE_ABVF_FEATURE_TAG = 0x61627666UL, /**< 'abvf' */ 398 LE_ABVM_FEATURE_TAG = 0x6162766DUL, /**< 'abvm' */ 399 LE_ABVS_FEATURE_TAG = 0x61627673UL, /**< 'abvs' */ 400 LE_AFRC_FEATURE_TAG = 0x61667263UL, /**< 'afrc' */ 401 LE_AKHN_FEATURE_TAG = 0x616B686EUL, /**< 'akhn' */ 402 LE_BLWF_FEATURE_TAG = 0x626C7766UL, /**< 'blwf' */ 403 LE_BLWM_FEATURE_TAG = 0x626C776DUL, /**< 'blwm' */ 404 LE_BLWS_FEATURE_TAG = 0x626C7773UL, /**< 'blws' */ 405 LE_CALT_FEATURE_TAG = 0x63616C74UL, /**< 'calt' */ 406 LE_CASE_FEATURE_TAG = 0x63617365UL, /**< 'case' */ 407 LE_CCMP_FEATURE_TAG = 0x63636D70UL, /**< 'ccmp' */ 408 LE_CJCT_FEATURE_TAG = 0x636A6374UL, /**< 'cjct' */ 409 LE_CLIG_FEATURE_TAG = 0x636C6967UL, /**< 'clig' */ 410 LE_CPSP_FEATURE_TAG = 0x63707370UL, /**< 'cpsp' */ 411 LE_CSWH_FEATURE_TAG = 0x63737768UL, /**< 'cswh' */ 412 LE_CURS_FEATURE_TAG = 0x63757273UL, /**< 'curs' */ 413 LE_C2SC_FEATURE_TAG = 0x63327363UL, /**< 'c2sc' */ 414 LE_C2PC_FEATURE_TAG = 0x63327063UL, /**< 'c2pc' */ 415 LE_DIST_FEATURE_TAG = 0x64697374UL, /**< 'dist' */ 416 LE_DLIG_FEATURE_TAG = 0x646C6967UL, /**< 'dlig' */ 417 LE_DNOM_FEATURE_TAG = 0x646E6F6DUL, /**< 'dnom' */ 418 LE_EXPT_FEATURE_TAG = 0x65787074UL, /**< 'expt' */ 419 LE_FALT_FEATURE_TAG = 0x66616C74UL, /**< 'falt' */ 420 LE_FIN2_FEATURE_TAG = 0x66696E32UL, /**< 'fin2' */ 421 LE_FIN3_FEATURE_TAG = 0x66696E33UL, /**< 'fin3' */ 422 LE_FINA_FEATURE_TAG = 0x66696E61UL, /**< 'fina' */ 423 LE_FRAC_FEATURE_TAG = 0x66726163UL, /**< 'frac' */ 424 LE_FWID_FEATURE_TAG = 0x66776964UL, /**< 'fwid' */ 425 LE_HALF_FEATURE_TAG = 0x68616C66UL, /**< 'half' */ 426 LE_HALN_FEATURE_TAG = 0x68616C6EUL, /**< 'haln' */ 427 LE_HALT_FEATURE_TAG = 0x68616C74UL, /**< 'halt' */ 428 LE_HIST_FEATURE_TAG = 0x68697374UL, /**< 'hist' */ 429 LE_HKNA_FEATURE_TAG = 0x686B6E61UL, /**< 'hkna' */ 430 LE_HLIG_FEATURE_TAG = 0x686C6967UL, /**< 'hlig' */ 431 LE_HNGL_FEATURE_TAG = 0x686E676CUL, /**< 'hngl' */ 432 LE_HWID_FEATURE_TAG = 0x68776964UL, /**< 'hwid' */ 433 LE_INIT_FEATURE_TAG = 0x696E6974UL, /**< 'init' */ 434 LE_ISOL_FEATURE_TAG = 0x69736F6CUL, /**< 'isol' */ 435 LE_ITAL_FEATURE_TAG = 0x6974616CUL, /**< 'ital' */ 436 LE_JALT_FEATURE_TAG = 0x6A616C74UL, /**< 'jalt' */ 437 LE_JP78_FEATURE_TAG = 0x6A703738UL, /**< 'jp78' */ 438 LE_JP83_FEATURE_TAG = 0x6A703833UL, /**< 'jp83' */ 439 LE_JP90_FEATURE_TAG = 0x6A703930UL, /**< 'jp90' */ 440 LE_KERN_FEATURE_TAG = 0x6B65726EUL, /**< 'kern' */ 441 LE_LFBD_FEATURE_TAG = 0x6C666264UL, /**< 'lfbd' */ 442 LE_LIGA_FEATURE_TAG = 0x6C696761UL, /**< 'liga' */ 443 LE_LJMO_FEATURE_TAG = 0x6C6A6D6FUL, /**< 'ljmo' */ 444 LE_LNUM_FEATURE_TAG = 0x6C6E756DUL, /**< 'lnum' */ 445 LE_LOCL_FEATURE_TAG = 0x6C6F636CUL, /**< 'locl' */ 446 LE_MARK_FEATURE_TAG = 0x6D61726BUL, /**< 'mark' */ 447 LE_MED2_FEATURE_TAG = 0x6D656432UL, /**< 'med2' */ 448 LE_MEDI_FEATURE_TAG = 0x6D656469UL, /**< 'medi' */ 449 LE_MGRK_FEATURE_TAG = 0x6D67726BUL, /**< 'mgrk' */ 450 LE_MKMK_FEATURE_TAG = 0x6D6B6D6BUL, /**< 'mkmk' */ 451 LE_MSET_FEATURE_TAG = 0x6D736574UL, /**< 'mset' */ 452 LE_NALT_FEATURE_TAG = 0x6E616C74UL, /**< 'nalt' */ 453 LE_NLCK_FEATURE_TAG = 0x6E6C636BUL, /**< 'nlck' */ 454 LE_NUKT_FEATURE_TAG = 0x6E756B74UL, /**< 'nukt' */ 455 LE_NUMR_FEATURE_TAG = 0x6E756D72UL, /**< 'numr' */ 456 LE_ONUM_FEATURE_TAG = 0x6F6E756DUL, /**< 'onum' */ 457 LE_OPBD_FEATURE_TAG = 0x6F706264UL, /**< 'opbd' */ 458 LE_ORDN_FEATURE_TAG = 0x6F72646EUL, /**< 'ordn' */ 459 LE_ORNM_FEATURE_TAG = 0x6F726E6DUL, /**< 'ornm' */ 460 LE_PALT_FEATURE_TAG = 0x70616C74UL, /**< 'palt' */ 461 LE_PCAP_FEATURE_TAG = 0x70636170UL, /**< 'pcap' */ 462 LE_PNUM_FEATURE_TAG = 0x706E756DUL, /**< 'pnum' */ 463 LE_PREF_FEATURE_TAG = 0x70726566UL, /**< 'pref' */ 464 LE_PRES_FEATURE_TAG = 0x70726573UL, /**< 'pres' */ 465 LE_PSTF_FEATURE_TAG = 0x70737466UL, /**< 'pstf' */ 466 LE_PSTS_FEATURE_TAG = 0x70737473UL, /**< 'psts' */ 467 LE_PWID_FEATURE_TAG = 0x70776964UL, /**< 'pwid' */ 468 LE_QWID_FEATURE_TAG = 0x71776964UL, /**< 'qwid' */ 469 LE_RAND_FEATURE_TAG = 0x72616E64UL, /**< 'rand' */ 470 LE_RLIG_FEATURE_TAG = 0x726C6967UL, /**< 'rlig' */ 471 LE_RPHF_FEATURE_TAG = 0x72706866UL, /**< 'rphf' */ 472 LE_RKRF_FEATURE_TAG = 0x726B7266UL, /**< 'rkrf' */ 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 #endif 569