1 /* 2 ******************************************************************************* 3 * 4 * Copyright (C) 1999-2014, International Business Machines 5 * Corporation and others. All Rights Reserved. 6 * 7 ******************************************************************************* 8 */ 9 10 #ifndef USING_ICULEHB /* C API not available under HB */ 11 12 #include "unicode/utypes.h" 13 #include "unicode/ubidi.h" 14 #include "unicode/uscript.h" 15 #include "unicode/ctest.h" 16 17 #include "layout/LETypes.h" 18 #include "layout/LEScripts.h" 19 #include "layout/loengine.h" 20 21 #include "layout/playout.h" 22 #include "layout/plruns.h" 23 24 #include "cfonts.h" 25 26 #include "letest.h" 27 28 #include "sfnt.h" 29 #include "xmlreader.h" 30 #include "putilimp.h" /* for U_FILE_SEP_STRING */ 31 32 #include <stdlib.h> 33 #include <stdio.h> 34 #include <string.h> 35 36 #define CH_COMMA 0x002C 37 38 U_CDECL_BEGIN 39 static void U_CALLCONV ParamTest(void) 40 { 41 LEErrorCode status = LE_NO_ERROR; 42 le_font *font = le_simpleFontOpen(12, &status); 43 le_engine *engine = le_create(font, arabScriptCode, -1, 0, &status); 44 LEGlyphID *glyphs = NULL; 45 le_int32 *indices = NULL; 46 float *positions = NULL; 47 le_int32 glyphCount = 0; 48 49 float x = 0.0, y = 0.0; 50 LEUnicode chars[] = { 51 0x0045, 0x006E, 0x0067, 0x006C, 0x0069, 0x0073, 0x0068, 0x0020, /* "English " */ 52 0x0645, 0x0627, 0x0646, 0x062A, 0x0648, 0x0634, /* MEM ALIF KAF NOON TEH WAW SHEEN */ 53 0x0020, 0x0074, 0x0065, 0x0078, 0x0074, 0x02E /* " text." */ 54 }; 55 56 57 glyphCount = le_getGlyphCount(engine, &status); 58 if (glyphCount != 0) { 59 log_err("Calling getGlyphCount() on an empty layout returned %d.\n", glyphCount); 60 } 61 62 glyphs = NEW_ARRAY(LEGlyphID, glyphCount + 10); 63 indices = NEW_ARRAY(le_int32, glyphCount + 10); 64 positions = NEW_ARRAY(float, glyphCount + 10); 65 66 le_getGlyphs(engine, NULL, &status); 67 68 if (status != LE_ILLEGAL_ARGUMENT_ERROR) { 69 log_err("Calling getGlyphs(NULL, status) did not return LE_ILLEGAL_ARGUMENT_ERROR.\n"); 70 } 71 72 status = LE_NO_ERROR; 73 le_getGlyphs(engine, glyphs, &status); 74 75 if (status != LE_NO_LAYOUT_ERROR) { 76 log_err("Calling getGlyphs(glyphs, status) on an empty layout did not return LE_NO_LAYOUT_ERROR.\n"); 77 } 78 79 status = LE_NO_ERROR; 80 le_getCharIndices(engine, NULL, &status); 81 82 if (status != LE_ILLEGAL_ARGUMENT_ERROR) { 83 log_err("Calling getCharIndices(NULL, status) did not return LE_ILLEGAL_ARGUMENT_ERROR.\n"); 84 } 85 86 status = LE_NO_ERROR; 87 le_getCharIndices(engine, indices, &status); 88 89 if (status != LE_NO_LAYOUT_ERROR) { 90 log_err("Calling getCharIndices(indices, status) on an empty layout did not return LE_NO_LAYOUT_ERROR.\n"); 91 } 92 93 status = LE_NO_ERROR; 94 le_getCharIndicesWithBase(engine, NULL, 1024, &status); 95 96 if (status != LE_ILLEGAL_ARGUMENT_ERROR) { 97 log_err("Calling getCharIndices(NULL, 1024, status) did not return LE_ILLEGAL_ARGUMENT_ERROR.\n"); 98 } 99 100 status = LE_NO_ERROR; 101 le_getCharIndicesWithBase(engine, indices, 1024, &status); 102 103 if (status != LE_NO_LAYOUT_ERROR) { 104 log_err("Calling getCharIndices(indices, 1024, status) on an empty layout did not return LE_NO_LAYOUT_ERROR.\n"); 105 } 106 107 status = LE_NO_ERROR; 108 le_getGlyphPositions(engine, NULL, &status); 109 110 if (status != LE_ILLEGAL_ARGUMENT_ERROR) { 111 log_err("Calling getGlyphPositions(NULL, status) did not return LE_ILLEGAL_ARGUMENT_ERROR.\n"); 112 } 113 114 status = LE_NO_ERROR; 115 le_getGlyphPositions(engine, positions, &status); 116 117 if (status != LE_NO_LAYOUT_ERROR) { 118 log_err("Calling getGlyphPositions(positions, status) on an empty layout did not return LE_NO_LAYOUT_ERROR.\n"); 119 } 120 121 DELETE_ARRAY(positions); 122 DELETE_ARRAY(indices); 123 DELETE_ARRAY(glyphs); 124 125 status = LE_NO_ERROR; 126 glyphCount = le_layoutChars(engine, NULL, 0, 0, 0, FALSE, 0.0, 0.0, &status); 127 128 if (status != LE_ILLEGAL_ARGUMENT_ERROR) { 129 log_err("Calling layoutChars(NULL, 0, 0, 0, FALSE, 0.0, 0.0, status) did not fail w/ LE_ILLEGAL_ARGUMENT_ERROR.\n"); 130 } 131 132 status = LE_NO_ERROR; 133 glyphCount = le_layoutChars(engine, chars, -1, 6, 20, TRUE, 0.0, 0.0, &status); 134 135 if (status != LE_ILLEGAL_ARGUMENT_ERROR) { 136 log_err("Calling layoutChars(chars, -1, 6, 20, TRUE, 0.0, 0.0, status) did not fail w/ LE_ILLEGAL_ARGUMENT_ERROR.\n"); 137 } 138 139 status = LE_NO_ERROR; 140 glyphCount = le_layoutChars(engine, chars, 8, -1, 20, TRUE, 0.0, 0.0, &status); 141 142 if (status != LE_ILLEGAL_ARGUMENT_ERROR) { 143 log_err("Calling layoutChars(chars, 8, -1, 20, TRUE, 0.0, 0.0, status) did not fail w/ LE_ILLEGAL_ARGUMENT_ERROR.\n"); 144 } 145 146 status = LE_NO_ERROR; 147 glyphCount = le_layoutChars(engine, chars, 8, 6, -1, TRUE, 0.0, 0.0, &status); 148 149 if (status != LE_ILLEGAL_ARGUMENT_ERROR) { 150 log_err("Calling layoutChars((chars, 8, 6, -1, TRUE, 0.0, 0.0, status) did not fail w/ LE_ILLEGAL_ARGUMENT_ERROR.\n"); 151 } 152 153 status = LE_NO_ERROR; 154 glyphCount = le_layoutChars(engine, chars, 8, 6, 10, TRUE, 0.0, 0.0, &status); 155 156 if (status != LE_ILLEGAL_ARGUMENT_ERROR) { 157 log_err("Calling layoutChars(chars, 8, 6, 10, TRUE, 0.0, 0.0, status) did not fail w/ LE_ILLEGAL_ARGUMENT_ERROR.\n"); 158 } 159 160 status = LE_NO_ERROR; 161 glyphCount = le_layoutChars(engine, chars, 8, 6, 20, TRUE, 0.0, 0.0, &status); 162 163 if (LE_FAILURE(status)) { 164 log_err("Calling layoutChars(chars, 8, 6, 20, TRUE, 0.0, 0.0, status) failed.\n"); 165 goto bail; 166 } 167 168 le_getGlyphPosition(engine, -1, &x, &y, &status); 169 170 if (status != LE_INDEX_OUT_OF_BOUNDS_ERROR) { 171 log_err("Calling getGlyphPosition(-1, x, y, status) did not fail w/ LE_INDEX_OUT_OF_BOUNDS_ERROR.\n"); 172 } 173 174 status = LE_NO_ERROR; 175 le_getGlyphPosition(engine, glyphCount + 1, &x, &y, &status); 176 177 if (status != LE_INDEX_OUT_OF_BOUNDS_ERROR) { 178 log_err("Calling getGlyphPosition(glyphCount + 1, x, y, status) did not fail w/ LE_INDEX_OUT_OF_BOUNDS_ERROR.\n"); 179 } 180 181 bail: 182 le_close(engine); 183 le_fontClose(font); 184 } 185 U_CDECL_END 186 187 U_CDECL_BEGIN 188 static void U_CALLCONV FactoryTest(void) 189 { 190 LEErrorCode status = LE_NO_ERROR; 191 le_font *font = le_simpleFontOpen(12, &status); 192 le_engine *engine = NULL; 193 le_int32 scriptCode; 194 195 for(scriptCode = 0; scriptCode < scriptCodeCount; scriptCode += 1) { 196 status = LE_NO_ERROR; 197 engine = le_create(font, scriptCode, -1, 0, &status); 198 199 if (LE_FAILURE(status)) { 200 log_err("Could not create a LayoutEngine for script \'%s\'.\n", uscript_getShortName((UScriptCode)scriptCode)); 201 } 202 203 le_close(engine); 204 } 205 206 le_fontClose(font); 207 } 208 U_CDECL_END 209 210 U_CDECL_BEGIN 211 static void U_CALLCONV AccessTest(void) 212 { 213 LEErrorCode status = LE_NO_ERROR; 214 le_font *font = le_simpleFontOpen(12, &status); 215 le_engine *engine =le_create(font, arabScriptCode, -1, 0, &status); 216 le_int32 glyphCount; 217 LEGlyphID glyphs[6]; 218 le_int32 biasedIndices[6], indices[6], glyph; 219 float positions[6 * 2 + 2]; 220 LEUnicode chars[] = { 221 0x0045, 0x006E, 0x0067, 0x006C, 0x0069, 0x0073, 0x0068, 0x0020, /* "English " */ 222 0x0645, 0x0627, 0x0646, 0x062A, 0x0648, 0x0634, /* MEM ALIF KAF NOON TEH WAW SHEEN */ 223 0x0020, 0x0074, 0x0065, 0x0078, 0x0074, 0x02E /* " text." */ 224 }; 225 226 if (LE_FAILURE(status)) { 227 log_err("Could not create LayoutEngine.\n"); 228 goto bail; 229 } 230 231 glyphCount = le_layoutChars(engine, chars, 8, 6, 20, TRUE, 0.0, 0.0, &status); 232 233 if (LE_FAILURE(status) || glyphCount != 6) { 234 log_err("layoutChars(chars, 8, 6, 20, TRUE, 0.0, 0.0, status) failed.\n"); 235 goto bail; 236 } 237 238 le_getGlyphs(engine, glyphs, &status); 239 le_getCharIndices(engine, indices, &status); 240 le_getGlyphPositions(engine, positions, &status); 241 242 if (LE_FAILURE(status)) { 243 log_err("Could not get glyph, indices and position arrays.\n"); 244 goto bail; 245 } 246 247 status = LE_NO_ERROR; 248 le_getCharIndicesWithBase(engine, biasedIndices, 1024, &status); 249 250 if (LE_FAILURE(status)) { 251 log_err("getCharIndices(biasedIndices, 1024, status) failed.\n"); 252 } else { 253 for (glyph = 0; glyph < glyphCount; glyph += 1) { 254 if (biasedIndices[glyph] != (indices[glyph] + 1024)) { 255 log_err("biasedIndices[%d] != indices[%d] + 1024: %8X, %8X\n", 256 glyph, glyph, biasedIndices[glyph], indices[glyph]); 257 break; 258 } 259 } 260 } 261 262 status = LE_NO_ERROR; 263 for (glyph = 0; glyph <= glyphCount; glyph += 1) { 264 float x = 0.0, y = 0.0; 265 266 le_getGlyphPosition(engine, glyph, &x, &y, &status); 267 268 if (LE_FAILURE(status)) { 269 log_err("getGlyphPosition(%d, x, y, status) failed.\n", glyph); 270 break; 271 } 272 273 if (x != positions[glyph*2] || y != positions[glyph*2 + 1]) { 274 log_err("getGlyphPosition(%d, x, y, status) returned bad position: (%f, %f) != (%f, %f)\n", 275 glyph, x, y, positions[glyph*2], positions[glyph*2 + 1]); 276 break; 277 } 278 } 279 280 bail: 281 le_close(engine); 282 le_fontClose(font); 283 } 284 U_CDECL_END 285 286 static le_bool compareResults(const char *testID, TestResult *expected, TestResult *actual) 287 { 288 le_int32 i; 289 290 /* NOTE: we'll stop on the first failure 'cause once there's one error, it may cascade... */ 291 if (actual->glyphCount != expected->glyphCount) { 292 log_err("Test %s: incorrect glyph count: exptected %d, got %d\n", 293 testID, expected->glyphCount, actual->glyphCount); 294 return FALSE; 295 } 296 297 for (i = 0; i < actual->glyphCount; i += 1) { 298 if (actual->glyphs[i] != expected->glyphs[i]) { 299 log_err("Test %s: incorrect id for glyph %d: expected %4X, got %4X\n", 300 testID, i, expected->glyphs[i], actual->glyphs[i]); 301 return FALSE; 302 } 303 } 304 305 for (i = 0; i < actual->glyphCount; i += 1) { 306 if (actual->indices[i] != expected->indices[i]) { 307 log_err("Test %s: incorrect index for glyph %d: expected %8X, got %8X\n", 308 testID, i, expected->indices[i], actual->indices[i]); 309 return FALSE; 310 } 311 } 312 313 for (i = 0; i <= actual->glyphCount; i += 1) { 314 double xError = uprv_fabs(actual->positions[i * 2] - expected->positions[i * 2]); 315 double yError = uprv_fabs(actual->positions[i * 2 + 1] - expected->positions[i * 2 + 1]); 316 317 if (xError > 0.0001) { 318 log_err("Test %s: incorrect x position for glyph %d: expected %f, got %f\n", 319 testID, i, expected->positions[i * 2], actual->positions[i * 2]); 320 return FALSE; 321 } 322 323 if (yError < 0) { 324 yError = -yError; 325 } 326 327 if (yError > 0.0001) { 328 log_err("Test %s: incorrect y position for glyph %d: expected %f, got %f\n", 329 testID, i, expected->positions[i * 2 + 1], actual->positions[i * 2 + 1]); 330 return FALSE; 331 } 332 } 333 334 return TRUE; 335 } 336 337 static void checkFontVersion(le_font *font, const char *testVersionString, 338 le_uint32 testChecksum, const char *testID) 339 { 340 le_uint32 fontChecksum = le_getFontChecksum(font); 341 342 if (fontChecksum != testChecksum) { 343 const char *fontVersionString = le_getNameString(font, NAME_VERSION_STRING, 344 PLATFORM_MACINTOSH, MACINTOSH_ROMAN, MACINTOSH_ENGLISH); 345 const LEUnicode16 *uFontVersionString = NULL; 346 347 if (fontVersionString == NULL) { 348 uFontVersionString = le_getUnicodeNameString(font, NAME_VERSION_STRING, 349 PLATFORM_MICROSOFT, MICROSOFT_UNICODE_BMP, MICROSOFT_ENGLISH); 350 } 351 352 log_info("Test %s: this may not be the same font used to generate the test data.\n", testID); 353 354 if (uFontVersionString != NULL) { 355 log_info("Your font's version string is \"%S\"\n", uFontVersionString); 356 le_deleteUnicodeNameString(font, uFontVersionString); 357 } else { 358 log_info("Your font's version string is \"%s\"\n", fontVersionString); 359 le_deleteNameString(font, fontVersionString); 360 } 361 362 log_info("The expected version string is \"%s\"\n", testVersionString); 363 log_info("If you see errors, they may be due to the version of the font you're using.\n"); 364 } 365 } 366 367 /* Returns the path to icu/source/test/testdata/ */ 368 static const char *getSourceTestData() { 369 #ifdef U_TOPSRCDIR 370 const char *srcDataDir = U_TOPSRCDIR U_FILE_SEP_STRING"test"U_FILE_SEP_STRING"testdata"U_FILE_SEP_STRING; 371 #else 372 const char *srcDataDir = ".."U_FILE_SEP_STRING".."U_FILE_SEP_STRING"test"U_FILE_SEP_STRING"testdata"U_FILE_SEP_STRING; 373 FILE *f = fopen(".."U_FILE_SEP_STRING".."U_FILE_SEP_STRING"test"U_FILE_SEP_STRING"testdata"U_FILE_SEP_STRING"rbbitst.txt", "r"); 374 375 if (f != NULL) { 376 /* We're in icu/source/test/letest/ */ 377 fclose(f); 378 } else { 379 /* We're in icu/source/test/letest/(Debug|Release) */ 380 srcDataDir = ".."U_FILE_SEP_STRING".."U_FILE_SEP_STRING".."U_FILE_SEP_STRING"test"U_FILE_SEP_STRING"testdata"U_FILE_SEP_STRING; 381 } 382 #endif 383 384 return srcDataDir; 385 } 386 387 static const char *getPath(char buffer[2048], const char *filename) { 388 const char *testDataDirectory = getSourceTestData(); 389 390 strcpy(buffer, testDataDirectory); 391 strcat(buffer, filename); 392 393 return buffer; 394 } 395 396 static le_font *openFont(const char *fontName, const char *checksum, const char *version, const char *testID) 397 { 398 char path[2048]; 399 le_font *font; 400 LEErrorCode fontStatus = LE_NO_ERROR; 401 402 if (fontName != NULL) { 403 font = le_portableFontOpen(getPath(path, fontName), 12, &fontStatus); 404 405 if (LE_FAILURE(fontStatus)) { 406 log_info("Test %s: can't open font %s - test skipped.\n", testID, fontName); 407 le_fontClose(font); 408 return NULL; 409 } else { 410 le_uint32 cksum = 0; 411 412 sscanf(checksum, "%x", &cksum); 413 414 checkFontVersion(font, version, cksum, testID); 415 } 416 } else { 417 font = le_simpleFontOpen(12, &fontStatus); 418 } 419 420 return font; 421 } 422 423 static le_bool getRTL(const LEUnicode *text, le_int32 charCount) 424 { 425 UBiDiLevel level; 426 le_int32 limit = -1; 427 UErrorCode status = U_ZERO_ERROR; 428 UBiDi *ubidi = ubidi_openSized(charCount, 0, &status); 429 430 ubidi_setPara(ubidi, text, charCount, UBIDI_DEFAULT_LTR, NULL, &status); 431 432 /* TODO: Should check that there's only a single logical run... */ 433 ubidi_getLogicalRun(ubidi, 0, &limit, &level); 434 435 ubidi_close(ubidi); 436 437 return level & 1; 438 } 439 440 static void doTestCase (const char *testID, 441 const char *fontName, 442 const char *fontVersion, 443 const char *fontChecksum, 444 le_int32 scriptCode, 445 le_int32 languageCode, 446 const LEUnicode *text, 447 le_int32 charCount, 448 TestResult *expected) 449 { 450 LEErrorCode status = LE_NO_ERROR; 451 le_engine *engine; 452 le_font *font = openFont(fontName, fontChecksum, fontVersion, testID); 453 le_int32 typoFlags = 3; /* kerning + ligatures */ 454 TestResult actual; 455 456 if (font == NULL) { 457 /* error message already printed. */ 458 return; 459 } 460 461 if (fontName == NULL) { 462 typoFlags |= 0x80000000L; /* use CharSubstitutionFilter... */ 463 } 464 465 engine = le_create(font, scriptCode, languageCode, typoFlags, &status); 466 467 if (LE_FAILURE(status)) { 468 log_err("Test %s: could not create a LayoutEngine.\n", testID); 469 goto free_expected; 470 } 471 472 actual.glyphCount = le_layoutChars(engine, text, 0, charCount, charCount, getRTL(text, charCount), 0, 0, &status); 473 474 actual.glyphs = NEW_ARRAY(LEGlyphID, actual.glyphCount); 475 actual.indices = NEW_ARRAY(le_int32, actual.glyphCount); 476 actual.positions = NEW_ARRAY(float, actual.glyphCount * 2 + 2); 477 478 le_getGlyphs(engine, actual.glyphs, &status); 479 le_getCharIndices(engine, actual.indices, &status); 480 le_getGlyphPositions(engine, actual.positions, &status); 481 482 compareResults(testID, expected, &actual); 483 484 DELETE_ARRAY(actual.positions); 485 DELETE_ARRAY(actual.indices); 486 DELETE_ARRAY(actual.glyphs); 487 488 le_close(engine); 489 490 free_expected: 491 le_fontClose(font); 492 } 493 494 static void U_CALLCONV DataDrivenTest(void) 495 { 496 char path[2048]; 497 const char *testFilePath = getPath(path, "letest.xml"); 498 499 readTestFile(testFilePath, doTestCase); 500 } 501 502 /* 503 * From ticket:5923: 504 * 505 * Build a paragraph that contains a mixture of left to right and right to left text. 506 * Break it into multiple lines and make sure that the glyphToCharMap for run in each 507 * line is correct. 508 * 509 * Note: it might be a good idea to also check the glyphs and positions for each run, 510 * that we get the expected number of runs per line and that the line breaks are where 511 * we expect them to be. Really, it would be a good idea to make a whole test suite 512 * for pl_paragraph. 513 */ 514 static void U_CALLCONV GlyphToCharTest(void) 515 { 516 #if !UCONFIG_NO_BREAK_ITERATION 517 LEErrorCode status = LE_NO_ERROR; 518 le_font *font; 519 pl_fontRuns *fontRuns; 520 pl_paragraph *paragraph; 521 const pl_line *line; 522 /* 523 * This is the same text that's in <icu>/source/samples/layout/Sample.txt 524 */ 525 LEUnicode chars[] = { 526 /*BOM*/ 0x0054, 0x0068, 0x0065, 0x0020, 0x004c, 0x0061, 0x0079, 527 0x006f, 0x0075, 0x0074, 0x0045, 0x006e, 0x0067, 0x0069, 0x006e, 528 0x0065, 0x0020, 0x0064, 0x006f, 0x0065, 0x0073, 0x0020, 0x0061, 529 0x006c, 0x006c, 0x0020, 0x0074, 0x0068, 0x0065, 0x0020, 0x0077, 530 0x006f, 0x0072, 0x006b, 0x0020, 0x006e, 0x0065, 0x0063, 0x0065, 531 0x0073, 0x0073, 0x0061, 0x0072, 0x0079, 0x0020, 0x0074, 0x006f, 532 0x0020, 0x0064, 0x0069, 0x0073, 0x0070, 0x006c, 0x0061, 0x0079, 533 0x0020, 0x0055, 0x006e, 0x0069, 0x0063, 0x006f, 0x0064, 0x0065, 534 0x0020, 0x0074, 0x0065, 0x0078, 0x0074, 0x0020, 0x0077, 0x0072, 535 0x0069, 0x0074, 0x0074, 0x0065, 0x006e, 0x0020, 0x0069, 0x006e, 536 0x0020, 0x006c, 0x0061, 0x006e, 0x0067, 0x0075, 0x0061, 0x0067, 537 0x0065, 0x0073, 0x0020, 0x0077, 0x0069, 0x0074, 0x0068, 0x0020, 538 0x0063, 0x006f, 0x006d, 0x0070, 0x006c, 0x0065, 0x0078, 0x0020, 539 0x0077, 0x0072, 0x0069, 0x0074, 0x0069, 0x006e, 0x0067, 0x0020, 540 0x0073, 0x0079, 0x0073, 0x0074, 0x0065, 0x006d, 0x0073, 0x0020, 541 0x0073, 0x0075, 0x0063, 0x0068, 0x0020, 0x0061, 0x0073, 0x0020, 542 0x0048, 0x0069, 0x006e, 0x0064, 0x0069, 0x0020, 0x0028, 0x0939, 543 0x093f, 0x0928, 0x094d, 0x0926, 0x0940, 0x0029, 0x0020, 0x0054, 544 0x0068, 0x0061, 0x0069, 0x0020, 0x0028, 0x0e44, 0x0e17, 0x0e22, 545 0x0029, 0x0020, 0x0061, 0x006e, 0x0064, 0x0020, 0x0041, 0x0072, 546 0x0061, 0x0062, 0x0069, 0x0063, 0x0020, 0x0028, 0x0627, 0x0644, 547 0x0639, 0x0631, 0x0628, 0x064a, 0x0629, 0x0029, 0x002e, 0x0020, 548 0x0048, 0x0065, 0x0072, 0x0065, 0x0027, 0x0073, 0x0020, 0x0061, 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0x0e31, 0x0e1a, 0x0e25, 0x0e38, 0x0e07, 0x0e40, 623 0x0e2e, 0x0e19, 0x0e23, 0x0e35, 0x0e0a, 0x0e32, 0x0e27, 0x0e44, 624 0x0e23, 0x0e48, 0x0e41, 0x0e25, 0x0e30, 0x0e1b, 0x0e49, 0x0e32, 625 0x0e40, 0x0e2d, 0x0e47, 0x0e21, 0x0e20, 0x0e23, 0x0e23, 0x0e22, 626 0x0e32, 0x0e0a, 0x0e32, 0x0e27, 0x0e44, 0x0e23, 0x0e48, 0x0e1a, 627 0x0e49, 0x0e32, 0x0e19, 0x0e02, 0x0e2d, 0x0e07, 0x0e1e, 0x0e27, 628 0x0e01, 0x0e40, 0x0e02, 0x0e32, 0x0e2b, 0x0e25, 0x0e31, 0x0e07, 629 0x0e40, 0x0e25, 0x0e47, 0x0e01, 0x0e40, 0x0e1e, 0x0e23, 0x0e32, 630 0x0e30, 0x0e44, 0x0e21, 0x0e49, 0x0e2a, 0x0e23, 0x0e49, 0x0e32, 631 0x0e07, 0x0e1a, 0x0e49, 0x0e32, 0x0e19, 0x0e15, 0x0e49, 0x0e2d, 632 0x0e07, 0x0e02, 0x0e19, 0x0e21, 0x0e32, 0x0e14, 0x0e49, 0x0e27, 633 0x0e22, 0x0e40, 0x0e01, 0x0e27, 0x0e35, 0x0e22, 0x0e19, 0x0e40, 634 0x0e1b, 0x0e47, 0x0e19, 0x0e23, 0x0e30, 0x0e22, 0x0e30, 0x0e17, 635 0x0e32, 0x0e07, 0x0e2b, 0x0e25, 0x0e32, 0x0e22, 0x0e44, 0x0e21, 636 0x0e25, 0x0e4c 637 }; 638 le_int32 charCount = LE_ARRAY_SIZE(chars); 639 le_int32 charIndex = 0, lineNumber = 1; 640 le_int32 run, i; 641 const float lineWidth = 600; 642 643 font = le_simpleFontOpen(12, &status); 644 645 if (LE_FAILURE(status)) { 646 log_err("le_simpleFontOpen(12, &status) failed"); 647 goto finish; 648 } 649 650 fontRuns = pl_openEmptyFontRuns(0); 651 pl_addFontRun(fontRuns, font, charCount); 652 653 paragraph = pl_create(chars, charCount, fontRuns, NULL, NULL, NULL, 0, FALSE, &status); 654 655 pl_closeFontRuns(fontRuns); 656 657 if (LE_FAILURE(status)) { 658 log_err("pl_create failed."); 659 goto close_font; 660 } 661 662 pl_reflow(paragraph); 663 while ((line = pl_nextLine(paragraph, lineWidth)) != NULL) { 664 le_int32 runCount = pl_countLineRuns(line); 665 666 for(run = 0; run < runCount; run += 1) { 667 const pl_visualRun *visualRun = pl_getLineVisualRun(line, run); 668 const le_int32 glyphCount = pl_getVisualRunGlyphCount(visualRun); 669 const le_int32 *glyphToCharMap = pl_getVisualRunGlyphToCharMap(visualRun); 670 671 if (pl_getVisualRunDirection(visualRun) == UBIDI_RTL) { 672 /* 673 * For a right to left run, make sure that the character indices 674 * increase from the right most glyph to the left most glyph. If 675 * there are any one to many glyph substitutions, we might get several 676 * glyphs in a row with the same character index. 677 */ 678 for(i = glyphCount - 1; i >= 0; i -= 1) { 679 le_int32 ix = glyphToCharMap[i]; 680 681 if (ix != charIndex) { 682 if (ix != charIndex - 1) { 683 log_err("Bad glyph to char index for glyph %d on line %d: expected %d, got %d\n", 684 i, lineNumber, charIndex, ix); 685 goto close_paragraph; /* once there's one error, we can't count on anything else... */ 686 } 687 } else { 688 charIndex += 1; 689 } 690 } 691 } else { 692 /* 693 * We can't just check the order of the character indices 694 * for left to right runs because Indic text might have been 695 * reordered. What we can do is find the minimum and maximum 696 * character indices in the run and make sure that the minimum 697 * is equal to charIndex and then advance charIndex to the maximum. 698 */ 699 le_int32 minIndex = 0x7FFFFFFF, maxIndex = -1; 700 701 for(i = 0; i < glyphCount; i += 1) { 702 le_int32 ix = glyphToCharMap[i]; 703 704 if (ix > maxIndex) { 705 maxIndex = ix; 706 } 707 708 if (ix < minIndex) { 709 minIndex = ix; 710 } 711 } 712 713 if (minIndex != charIndex) { 714 log_err("Bad minIndex for run %d on line %d: expected %d, got %d\n", 715 run, lineNumber, charIndex, minIndex); 716 goto close_paragraph; /* once there's one error, we can't count on anything else... */ 717 } 718 719 charIndex = maxIndex + 1; 720 } 721 } 722 723 lineNumber += 1; 724 } 725 726 close_paragraph: 727 pl_close(paragraph); 728 729 close_font: 730 le_fontClose(font); 731 732 finish: 733 return; 734 #endif 735 } 736 737 U_CFUNC void addCTests(TestNode **root) 738 { 739 addTest(root, &ParamTest, "c_api/ParameterTest"); 740 addTest(root, &FactoryTest, "c_api/FactoryTest"); 741 addTest(root, &AccessTest, "c_layout/AccessTest"); 742 addTest(root, &DataDrivenTest, "c_layout/DataDrivenTest"); 743 addTest(root, &GlyphToCharTest, "c_paragraph/GlyphToCharTest"); 744 } 745 746 747 #endif 748
