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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 // Original code is licensed as follows: | |
| 7 /* | |
| 8 * Copyright 2008 ZXing authors | |
| 9 * | |
| 10 * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 11 * you may not use this file except in compliance with the License. | |
| 12 * You may obtain a copy of the License at | |
| 13 * | |
| 14 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 15 * | |
| 16 * Unless required by applicable law or agreed to in writing, software | |
| 17 * distributed under the License is distributed on an "AS IS" BASIS, | |
| 18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 19 * See the License for the specific language governing permissions and | |
| 20 * limitations under the License. | |
| 21 */ | |
| 22 | |
| 23 #include "xfa/src/fxbarcode/common/BC_CommonByteMatrix.h" | |
| 24 #include "xfa/src/fxbarcode/qrcode/BC_QRCoder.h" | |
| 25 #include "xfa/src/fxbarcode/qrcode/BC_QRCoderBitVector.h" | |
| 26 #include "xfa/src/fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h" | |
| 27 #include "xfa/src/fxbarcode/qrcode/BC_QRCoderMaskUtil.h" | |
| 28 #include "xfa/src/fxbarcode/qrcode/BC_QRCoderMatrixUtil.h" | |
| 29 #include "xfa/src/fxbarcode/utils.h" | |
| 30 | |
| 31 const int32_t CBC_QRCoderMatrixUtil::POSITION_DETECTION_PATTERN[7][7] = { | |
| 32 {1, 1, 1, 1, 1, 1, 1}, | |
| 33 {1, 0, 0, 0, 0, 0, 1}, | |
| 34 {1, 0, 1, 1, 1, 0, 1}, | |
| 35 {1, 0, 1, 1, 1, 0, 1}, | |
| 36 {1, 0, 1, 1, 1, 0, 1}, | |
| 37 {1, 0, 0, 0, 0, 0, 1}, | |
| 38 {1, 1, 1, 1, 1, 1, 1}}; | |
| 39 const int32_t CBC_QRCoderMatrixUtil::HORIZONTAL_SEPARATION_PATTERN[1][8] = { | |
| 40 {0, 0, 0, 0, 0, 0, 0, 0}}; | |
| 41 const int32_t CBC_QRCoderMatrixUtil::VERTICAL_SEPARATION_PATTERN[7][1] = | |
| 42 {{0}, {0}, {0}, {0}, {0}, {0}, {0}}; | |
| 43 const int32_t CBC_QRCoderMatrixUtil::POSITION_ADJUSTMENT_PATTERN[5][5] = { | |
| 44 {1, 1, 1, 1, 1}, | |
| 45 {1, 0, 0, 0, 1}, | |
| 46 {1, 0, 1, 0, 1}, | |
| 47 {1, 0, 0, 0, 1}, | |
| 48 {1, 1, 1, 1, 1}}; | |
| 49 const int32_t | |
| 50 CBC_QRCoderMatrixUtil::POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[40][7] = | |
| 51 // NOLINTNEXTLINE | |
| 52 { | |
| 53 {-1, -1, -1, -1, -1, -1, -1}, {6, 18, -1, -1, -1, -1, -1}, | |
| 54 {6, 22, -1, -1, -1, -1, -1}, {6, 26, -1, -1, -1, -1, -1}, | |
| 55 {6, 30, -1, -1, -1, -1, -1}, {6, 34, -1, -1, -1, -1, -1}, | |
| 56 {6, 22, 38, -1, -1, -1, -1}, {6, 24, 42, -1, -1, -1, -1}, | |
| 57 {6, 26, 46, -1, -1, -1, -1}, {6, 28, 50, -1, -1, -1, -1}, | |
| 58 {6, 30, 54, -1, -1, -1, -1}, {6, 32, 58, -1, -1, -1, -1}, | |
| 59 {6, 34, 62, -1, -1, -1, -1}, {6, 26, 46, 66, -1, -1, -1}, | |
| 60 {6, 26, 48, 70, -1, -1, -1}, {6, 26, 50, 74, -1, -1, -1}, | |
| 61 {6, 30, 54, 78, -1, -1, -1}, {6, 30, 56, 82, -1, -1, -1}, | |
| 62 {6, 30, 58, 86, -1, -1, -1}, {6, 34, 62, 90, -1, -1, -1}, | |
| 63 {6, 28, 50, 72, 94, -1, -1}, {6, 26, 50, 74, 98, -1, -1}, | |
| 64 {6, 30, 54, 78, 102, -1, -1}, {6, 28, 54, 80, 106, -1, -1}, | |
| 65 {6, 32, 58, 84, 110, -1, -1}, {6, 30, 58, 86, 114, -1, -1}, | |
| 66 {6, 34, 62, 90, 118, -1, -1}, {6, 26, 50, 74, 98, 122, -1}, | |
| 67 {6, 30, 54, 78, 102, 126, -1}, {6, 26, 52, 78, 104, 130, -1}, | |
| 68 {6, 30, 56, 82, 108, 134, -1}, {6, 34, 60, 86, 112, 138, -1}, | |
| 69 {6, 30, 58, 86, 114, 142, -1}, {6, 34, 62, 90, 118, 146, -1}, | |
| 70 {6, 30, 54, 78, 102, 126, 150}, {6, 24, 50, 76, 102, 128, 154}, | |
| 71 {6, 28, 54, 80, 106, 132, 158}, {6, 32, 58, 84, 110, 136, 162}, | |
| 72 {6, 26, 54, 82, 110, 138, 166}, {6, 30, 58, 86, 114, 142, 170}, | |
| 73 }; | |
| 74 const int32_t CBC_QRCoderMatrixUtil::TYPE_INFO_COORDINATES[15][2] = { | |
| 75 {8, 0}, {8, 1}, {8, 2}, {8, 3}, {8, 4}, {8, 5}, {8, 7}, {8, 8}, | |
| 76 {7, 8}, {5, 8}, {4, 8}, {3, 8}, {2, 8}, {1, 8}, {0, 8}, | |
| 77 }; | |
| 78 const int32_t CBC_QRCoderMatrixUtil::VERSION_INFO_POLY = 0x1f25; | |
| 79 const int32_t CBC_QRCoderMatrixUtil::TYPE_INFO_POLY = 0x0537; | |
| 80 const int32_t CBC_QRCoderMatrixUtil::TYPE_INFO_MASK_PATTERN = 0x5412; | |
| 81 | |
| 82 void CBC_QRCoderMatrixUtil::ClearMatrix(CBC_CommonByteMatrix* matrix, | |
| 83 int32_t& e) { | |
| 84 if (matrix == NULL) { | |
| 85 e = BCExceptionNullPointer; | |
| 86 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 87 } | |
| 88 matrix->clear((uint8_t)-1); | |
| 89 } | |
| 90 void CBC_QRCoderMatrixUtil::BuildMatrix( | |
| 91 CBC_QRCoderBitVector* dataBits, | |
| 92 CBC_QRCoderErrorCorrectionLevel* ecLevel, | |
| 93 int32_t version, | |
| 94 int32_t maskPattern, | |
| 95 CBC_CommonByteMatrix* matrix, | |
| 96 int32_t& e) { | |
| 97 if (matrix == NULL) { | |
| 98 e = BCExceptionNullPointer; | |
| 99 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 100 } | |
| 101 ClearMatrix(matrix, e); | |
| 102 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 103 EmbedBasicPatterns(version, matrix, e); | |
| 104 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 105 EmbedTypeInfo(ecLevel, maskPattern, matrix, e); | |
| 106 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 107 MaybeEmbedVersionInfo(version, matrix, e); | |
| 108 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 109 EmbedDataBits(dataBits, maskPattern, matrix, e); | |
| 110 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 111 } | |
| 112 void CBC_QRCoderMatrixUtil::EmbedBasicPatterns(int32_t version, | |
| 113 CBC_CommonByteMatrix* matrix, | |
| 114 int32_t& e) { | |
| 115 if (matrix == NULL) { | |
| 116 e = BCExceptionNullPointer; | |
| 117 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 118 } | |
| 119 EmbedPositionDetectionPatternsAndSeparators(matrix, e); | |
| 120 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 121 EmbedDarkDotAtLeftBottomCorner(matrix, e); | |
| 122 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 123 MaybeEmbedPositionAdjustmentPatterns(version, matrix, e); | |
| 124 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 125 EmbedTimingPatterns(matrix, e); | |
| 126 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 127 } | |
| 128 void CBC_QRCoderMatrixUtil::EmbedTypeInfo( | |
| 129 CBC_QRCoderErrorCorrectionLevel* ecLevel, | |
| 130 int32_t maskPattern, | |
| 131 CBC_CommonByteMatrix* matrix, | |
| 132 int32_t& e) { | |
| 133 if (matrix == NULL) { | |
| 134 e = BCExceptionNullPointer; | |
| 135 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 136 } | |
| 137 CBC_QRCoderBitVector typeInfoBits; | |
| 138 typeInfoBits.Init(); | |
| 139 MakeTypeInfoBits(ecLevel, maskPattern, &typeInfoBits, e); | |
| 140 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 141 for (int32_t i = 0; i < typeInfoBits.Size(); i++) { | |
| 142 int32_t bit = typeInfoBits.At(typeInfoBits.Size() - 1 - i, e); | |
| 143 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 144 int32_t x1 = TYPE_INFO_COORDINATES[i][0]; | |
| 145 int32_t y1 = TYPE_INFO_COORDINATES[i][1]; | |
| 146 matrix->Set(x1, y1, bit); | |
| 147 if (i < 8) { | |
| 148 int32_t x2 = matrix->GetWidth() - i - 1; | |
| 149 int32_t y2 = 8; | |
| 150 matrix->Set(x2, y2, bit); | |
| 151 } else { | |
| 152 int32_t x2 = 8; | |
| 153 int32_t y2 = matrix->GetHeight() - 7 + (i - 8); | |
| 154 matrix->Set(x2, y2, bit); | |
| 155 } | |
| 156 } | |
| 157 } | |
| 158 void CBC_QRCoderMatrixUtil::MaybeEmbedVersionInfo(int32_t version, | |
| 159 CBC_CommonByteMatrix* matrix, | |
| 160 int32_t& e) { | |
| 161 if (matrix == NULL) { | |
| 162 e = BCExceptionNullPointer; | |
| 163 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 164 } | |
| 165 if (version < 7) { | |
| 166 return; | |
| 167 } | |
| 168 CBC_QRCoderBitVector versionInfoBits; | |
| 169 versionInfoBits.Init(); | |
| 170 MakeVersionInfoBits(version, &versionInfoBits, e); | |
| 171 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 172 int32_t bitIndex = 6 * 3 - 1; | |
| 173 for (int32_t i = 0; i < 6; i++) { | |
| 174 for (int32_t j = 0; j < 3; j++) { | |
| 175 int32_t bit = versionInfoBits.At(bitIndex, e); | |
| 176 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 177 bitIndex--; | |
| 178 matrix->Set(i, matrix->GetHeight() - 11 + j, bit); | |
| 179 matrix->Set(matrix->GetHeight() - 11 + j, i, bit); | |
| 180 } | |
| 181 } | |
| 182 } | |
| 183 void CBC_QRCoderMatrixUtil::EmbedDataBits(CBC_QRCoderBitVector* dataBits, | |
| 184 int32_t maskPattern, | |
| 185 CBC_CommonByteMatrix* matrix, | |
| 186 int32_t& e) { | |
| 187 if (matrix == NULL || dataBits == NULL) { | |
| 188 e = BCExceptionNullPointer; | |
| 189 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 190 } | |
| 191 int32_t bitIndex = 0; | |
| 192 int32_t direction = -1; | |
| 193 int32_t x = matrix->GetWidth() - 1; | |
| 194 int32_t y = matrix->GetHeight() - 1; | |
| 195 while (x > 0) { | |
| 196 if (x == 6) { | |
| 197 x -= 1; | |
| 198 } | |
| 199 while (y >= 0 && y < matrix->GetHeight()) { | |
| 200 if (y == 6) { | |
| 201 y += direction; | |
| 202 continue; | |
| 203 } | |
| 204 for (int32_t i = 0; i < 2; i++) { | |
| 205 int32_t xx = x - i; | |
| 206 if (!IsEmpty(matrix->Get(xx, y))) { | |
| 207 continue; | |
| 208 } | |
| 209 int32_t bit; | |
| 210 if (bitIndex < dataBits->Size()) { | |
| 211 bit = dataBits->At(bitIndex, e); | |
| 212 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 213 bitIndex++; | |
| 214 } else { | |
| 215 bit = 0; | |
| 216 } | |
| 217 if (maskPattern != -1) { | |
| 218 FX_BOOL bol = | |
| 219 CBC_QRCoderMaskUtil::GetDataMaskBit(maskPattern, xx, y, e); | |
| 220 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 221 if (bol) { | |
| 222 bit ^= 0x01; | |
| 223 } | |
| 224 } | |
| 225 matrix->Set(xx, y, bit); | |
| 226 } | |
| 227 y += direction; | |
| 228 } | |
| 229 direction = -direction; | |
| 230 y += direction; | |
| 231 x -= 2; | |
| 232 } | |
| 233 if (bitIndex != dataBits->Size()) { | |
| 234 return; | |
| 235 } | |
| 236 } | |
| 237 int32_t CBC_QRCoderMatrixUtil::CalculateBCHCode(int32_t value, int32_t poly) { | |
| 238 int32_t msbSetInPoly = FindMSBSet(poly); | |
| 239 value <<= msbSetInPoly - 1; | |
| 240 while (FindMSBSet(value) >= msbSetInPoly) { | |
| 241 value ^= poly << (FindMSBSet(value) - msbSetInPoly); | |
| 242 } | |
| 243 return value; | |
| 244 } | |
| 245 void CBC_QRCoderMatrixUtil::MakeTypeInfoBits( | |
| 246 CBC_QRCoderErrorCorrectionLevel* ecLevel, | |
| 247 int32_t maskPattern, | |
| 248 CBC_QRCoderBitVector* bits, | |
| 249 int32_t& e) { | |
| 250 if (bits == NULL) { | |
| 251 e = BCExceptionNullPointer; | |
| 252 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 253 } | |
| 254 if (!CBC_QRCoder::IsValidMaskPattern(maskPattern)) { | |
| 255 e = BCExceptionBadMask; | |
| 256 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 257 } | |
| 258 int32_t typeInfo = (ecLevel->GetBits() << 3) | maskPattern; | |
| 259 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 260 bits->AppendBits(typeInfo, 5, e); | |
| 261 int32_t bchCode = CalculateBCHCode(typeInfo, TYPE_INFO_POLY); | |
| 262 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 263 bits->AppendBits(bchCode, 10, e); | |
| 264 CBC_QRCoderBitVector maskBits; | |
| 265 maskBits.Init(); | |
| 266 maskBits.AppendBits(TYPE_INFO_MASK_PATTERN, 15, e); | |
| 267 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 268 bits->XOR(&maskBits, e); | |
| 269 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 270 if (bits->Size() != 15) { | |
| 271 e = BCExceptionBitSizeNot15; | |
| 272 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 273 } | |
| 274 } | |
| 275 void CBC_QRCoderMatrixUtil::MakeVersionInfoBits(int32_t version, | |
| 276 CBC_QRCoderBitVector* bits, | |
| 277 int32_t& e) { | |
| 278 if (bits == NULL) { | |
| 279 e = BCExceptionNullPointer; | |
| 280 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 281 } | |
| 282 bits->AppendBits(version, 6, e); | |
| 283 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 284 int32_t bchCode = CalculateBCHCode(version, VERSION_INFO_POLY); | |
| 285 bits->AppendBits(bchCode, 12, e); | |
| 286 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 287 if (bits->Size() != 18) { | |
| 288 e = BCExceptionBitSizeNot18; | |
| 289 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 290 } | |
| 291 } | |
| 292 FX_BOOL CBC_QRCoderMatrixUtil::IsEmpty(int32_t value) { | |
| 293 return (uint8_t)value == 0xff; | |
| 294 } | |
| 295 FX_BOOL CBC_QRCoderMatrixUtil::IsValidValue(int32_t value) { | |
| 296 return ((uint8_t)value == 0xff || (uint8_t)value == 0x00 || | |
| 297 (uint8_t)value == 0x01); | |
| 298 } | |
| 299 void CBC_QRCoderMatrixUtil::EmbedTimingPatterns(CBC_CommonByteMatrix* matrix, | |
| 300 int32_t& e) { | |
| 301 if (matrix == NULL) { | |
| 302 e = BCExceptionNullPointer; | |
| 303 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 304 } | |
| 305 for (int32_t i = 8; i < matrix->GetWidth() - 8; i++) { | |
| 306 int32_t bit = (i + 1) % 2; | |
| 307 if (!IsValidValue(matrix->Get(i, 6))) { | |
| 308 e = BCExceptionInvalidateImageData; | |
| 309 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 310 } | |
| 311 if (IsEmpty(matrix->Get(i, 6))) { | |
| 312 matrix->Set(i, 6, bit); | |
| 313 } | |
| 314 if (!IsValidValue(matrix->Get(6, i))) { | |
| 315 e = BCExceptionInvalidateImageData; | |
| 316 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 317 } | |
| 318 if (IsEmpty(matrix->Get(6, i))) { | |
| 319 matrix->Set(6, i, bit); | |
| 320 } | |
| 321 } | |
| 322 } | |
| 323 void CBC_QRCoderMatrixUtil::EmbedDarkDotAtLeftBottomCorner( | |
| 324 CBC_CommonByteMatrix* matrix, | |
| 325 int32_t& e) { | |
| 326 if (matrix == NULL) { | |
| 327 e = BCExceptionNullPointer; | |
| 328 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 329 } | |
| 330 if (matrix->Get(8, matrix->GetHeight() - 8) == 0) { | |
| 331 e = BCExceptionHeight_8BeZero; | |
| 332 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 333 } | |
| 334 matrix->Set(8, matrix->GetHeight() - 8, 1); | |
| 335 } | |
| 336 void CBC_QRCoderMatrixUtil::EmbedHorizontalSeparationPattern( | |
| 337 int32_t xStart, | |
| 338 int32_t yStart, | |
| 339 CBC_CommonByteMatrix* matrix, | |
| 340 int32_t& e) { | |
| 341 if (matrix == NULL) { | |
| 342 e = BCExceptionNullPointer; | |
| 343 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 344 } | |
| 345 for (int32_t x = 0; x < 8; x++) { | |
| 346 if (!IsEmpty(matrix->Get(xStart + x, yStart))) { | |
| 347 e = BCExceptionInvalidateData; | |
| 348 BC_EXCEPTION_CHECK_ReturnVoid(e) | |
| 349 } | |
| 350 matrix->Set(xStart + x, yStart, HORIZONTAL_SEPARATION_PATTERN[0][x]); | |
| 351 } | |
| 352 } | |
| 353 void CBC_QRCoderMatrixUtil::EmbedVerticalSeparationPattern( | |
| 354 int32_t xStart, | |
| 355 int32_t yStart, | |
| 356 CBC_CommonByteMatrix* matrix, | |
| 357 int32_t& e) { | |
| 358 if (matrix == NULL) { | |
| 359 e = BCExceptionNullPointer; | |
| 360 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 361 } | |
| 362 for (int32_t y = 0; y < 7; y++) { | |
| 363 if (!IsEmpty(matrix->Get(xStart, yStart + y))) { | |
| 364 e = BCExceptionInvalidateData; | |
| 365 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 366 } | |
| 367 matrix->Set(xStart, yStart + y, VERTICAL_SEPARATION_PATTERN[y][0]); | |
| 368 } | |
| 369 } | |
| 370 void CBC_QRCoderMatrixUtil::EmbedPositionAdjustmentPattern( | |
| 371 int32_t xStart, | |
| 372 int32_t yStart, | |
| 373 CBC_CommonByteMatrix* matrix, | |
| 374 int32_t& e) { | |
| 375 if (matrix == NULL) { | |
| 376 e = BCExceptionNullPointer; | |
| 377 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 378 } | |
| 379 for (int32_t y = 0; y < 5; y++) { | |
| 380 for (int32_t x = 0; x < 5; x++) { | |
| 381 if (!IsEmpty(matrix->Get(xStart + x, y + yStart))) { | |
| 382 e = BCExceptionInvalidateData; | |
| 383 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 384 } | |
| 385 matrix->Set(xStart + x, yStart + y, POSITION_ADJUSTMENT_PATTERN[y][x]); | |
| 386 } | |
| 387 } | |
| 388 } | |
| 389 void CBC_QRCoderMatrixUtil::EmbedPositionDetectionPattern( | |
| 390 int32_t xStart, | |
| 391 int32_t yStart, | |
| 392 CBC_CommonByteMatrix* matrix, | |
| 393 int32_t& e) { | |
| 394 if (matrix == NULL) { | |
| 395 e = BCExceptionNullPointer; | |
| 396 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 397 } | |
| 398 for (int32_t y = 0; y < 7; y++) { | |
| 399 for (int32_t x = 0; x < 7; x++) { | |
| 400 if (!IsEmpty(matrix->Get(xStart + x, yStart + y))) { | |
| 401 e = BCExceptionInvalidateData; | |
| 402 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 403 } | |
| 404 matrix->Set(xStart + x, yStart + y, POSITION_DETECTION_PATTERN[y][x]); | |
| 405 } | |
| 406 } | |
| 407 } | |
| 408 void CBC_QRCoderMatrixUtil::EmbedPositionDetectionPatternsAndSeparators( | |
| 409 CBC_CommonByteMatrix* matrix, | |
| 410 int32_t& e) { | |
| 411 if (matrix == NULL) { | |
| 412 e = BCExceptionNullPointer; | |
| 413 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 414 } | |
| 415 int32_t pdpWidth = 7; | |
| 416 EmbedPositionDetectionPattern(0, 0, matrix, e); | |
| 417 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 418 EmbedPositionDetectionPattern(matrix->GetWidth() - pdpWidth, 0, matrix, e); | |
| 419 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 420 EmbedPositionDetectionPattern(0, matrix->GetWidth() - pdpWidth, matrix, e); | |
| 421 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 422 int32_t hspWidth = 8; | |
| 423 EmbedHorizontalSeparationPattern(0, hspWidth - 1, matrix, e); | |
| 424 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 425 EmbedHorizontalSeparationPattern(matrix->GetWidth() - hspWidth, hspWidth - 1, | |
| 426 matrix, e); | |
| 427 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 428 EmbedHorizontalSeparationPattern(0, matrix->GetWidth() - hspWidth, matrix, e); | |
| 429 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 430 int32_t vspSize = 7; | |
| 431 EmbedVerticalSeparationPattern(vspSize, 0, matrix, e); | |
| 432 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 433 EmbedVerticalSeparationPattern(matrix->GetHeight() - vspSize - 1, 0, matrix, | |
| 434 e); | |
| 435 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 436 EmbedVerticalSeparationPattern(vspSize, matrix->GetHeight() - vspSize, matrix, | |
| 437 e); | |
| 438 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 439 } | |
| 440 void CBC_QRCoderMatrixUtil::MaybeEmbedPositionAdjustmentPatterns( | |
| 441 int32_t version, | |
| 442 CBC_CommonByteMatrix* matrix, | |
| 443 int32_t& e) { | |
| 444 if (matrix == NULL) { | |
| 445 e = BCExceptionNullPointer; | |
| 446 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 447 } | |
| 448 if (version < 2) { | |
| 449 return; | |
| 450 } | |
| 451 int32_t index = version - 1; | |
| 452 int32_t const* coordinates = | |
| 453 &(POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[index][0]); | |
| 454 int32_t numCoordinate = 7; | |
| 455 for (int32_t i = 0; i < numCoordinate; i++) { | |
| 456 for (int32_t j = 0; j < numCoordinate; j++) { | |
| 457 int32_t y = coordinates[i]; | |
| 458 int32_t x = coordinates[j]; | |
| 459 if (x == -1 || y == -1) { | |
| 460 continue; | |
| 461 } | |
| 462 if (IsEmpty(matrix->Get(x, y))) { | |
| 463 EmbedPositionAdjustmentPattern(x - 2, y - 2, matrix, e); | |
| 464 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 465 } | |
| 466 } | |
| 467 } | |
| 468 } | |
| 469 int32_t CBC_QRCoderMatrixUtil::FindMSBSet(int32_t value) { | |
| 470 int32_t numDigits = 0; | |
| 471 while (value != 0) { | |
| 472 value >>= 1; | |
| 473 ++numDigits; | |
| 474 } | |
| 475 return numDigits; | |
| 476 } | |
| 477 CBC_QRCoderMatrixUtil::CBC_QRCoderMatrixUtil() {} | |
| 478 CBC_QRCoderMatrixUtil::~CBC_QRCoderMatrixUtil() {} | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1803723002:
Move xfa/src up to xfa/. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master