Index: xfa/src/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp |
diff --git a/xfa/src/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp b/xfa/src/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp |
index 8c66717d84d32e0e4cd447aa422105711b02677e..fd4d4b84ff869e6ef8d233a76f9a29d639384c8c 100644 |
--- a/xfa/src/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp |
+++ b/xfa/src/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp |
@@ -1,475 +1,475 @@ |
-// Copyright 2014 PDFium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
-// Original code is licensed as follows: |
-/* |
- * Copyright 2008 ZXing authors |
- * |
- * Licensed under the Apache License, Version 2.0 (the "License"); |
- * you may not use this file except in compliance with the License. |
- * You may obtain a copy of the License at |
- * |
- * http://www.apache.org/licenses/LICENSE-2.0 |
- * |
- * Unless required by applicable law or agreed to in writing, software |
- * distributed under the License is distributed on an "AS IS" BASIS, |
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
- * See the License for the specific language governing permissions and |
- * limitations under the License. |
- */ |
- |
-#include "xfa/src/fxbarcode/barcode.h" |
-#include "xfa/src/fxbarcode/common/BC_CommonByteMatrix.h" |
-#include "BC_QRCoderErrorCorrectionLevel.h" |
-#include "BC_QRCoder.h" |
-#include "BC_QRCoderMaskUtil.h" |
-#include "BC_QRCoderMatrixUtil.h" |
-#include "BC_QRCoderBitVector.h" |
-const int32_t CBC_QRCoderMatrixUtil::POSITION_DETECTION_PATTERN[7][7] = { |
- {1, 1, 1, 1, 1, 1, 1}, |
- {1, 0, 0, 0, 0, 0, 1}, |
- {1, 0, 1, 1, 1, 0, 1}, |
- {1, 0, 1, 1, 1, 0, 1}, |
- {1, 0, 1, 1, 1, 0, 1}, |
- {1, 0, 0, 0, 0, 0, 1}, |
- {1, 1, 1, 1, 1, 1, 1}}; |
-const int32_t CBC_QRCoderMatrixUtil::HORIZONTAL_SEPARATION_PATTERN[1][8] = { |
- {0, 0, 0, 0, 0, 0, 0, 0}}; |
-const int32_t CBC_QRCoderMatrixUtil::VERTICAL_SEPARATION_PATTERN[7][1] = |
- {{0}, {0}, {0}, {0}, {0}, {0}, {0}}; |
-const int32_t CBC_QRCoderMatrixUtil::POSITION_ADJUSTMENT_PATTERN[5][5] = { |
- {1, 1, 1, 1, 1}, |
- {1, 0, 0, 0, 1}, |
- {1, 0, 1, 0, 1}, |
- {1, 0, 0, 0, 1}, |
- {1, 1, 1, 1, 1}}; |
-const int32_t |
- CBC_QRCoderMatrixUtil::POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[40][7] = |
- { |
- {-1, -1, -1, -1, -1, -1, -1}, {6, 18, -1, -1, -1, -1, -1}, |
- {6, 22, -1, -1, -1, -1, -1}, {6, 26, -1, -1, -1, -1, -1}, |
- {6, 30, -1, -1, -1, -1, -1}, {6, 34, -1, -1, -1, -1, -1}, |
- {6, 22, 38, -1, -1, -1, -1}, {6, 24, 42, -1, -1, -1, -1}, |
- {6, 26, 46, -1, -1, -1, -1}, {6, 28, 50, -1, -1, -1, -1}, |
- {6, 30, 54, -1, -1, -1, -1}, {6, 32, 58, -1, -1, -1, -1}, |
- {6, 34, 62, -1, -1, -1, -1}, {6, 26, 46, 66, -1, -1, -1}, |
- {6, 26, 48, 70, -1, -1, -1}, {6, 26, 50, 74, -1, -1, -1}, |
- {6, 30, 54, 78, -1, -1, -1}, {6, 30, 56, 82, -1, -1, -1}, |
- {6, 30, 58, 86, -1, -1, -1}, {6, 34, 62, 90, -1, -1, -1}, |
- {6, 28, 50, 72, 94, -1, -1}, {6, 26, 50, 74, 98, -1, -1}, |
- {6, 30, 54, 78, 102, -1, -1}, {6, 28, 54, 80, 106, -1, -1}, |
- {6, 32, 58, 84, 110, -1, -1}, {6, 30, 58, 86, 114, -1, -1}, |
- {6, 34, 62, 90, 118, -1, -1}, {6, 26, 50, 74, 98, 122, -1}, |
- {6, 30, 54, 78, 102, 126, -1}, {6, 26, 52, 78, 104, 130, -1}, |
- {6, 30, 56, 82, 108, 134, -1}, {6, 34, 60, 86, 112, 138, -1}, |
- {6, 30, 58, 86, 114, 142, -1}, {6, 34, 62, 90, 118, 146, -1}, |
- {6, 30, 54, 78, 102, 126, 150}, {6, 24, 50, 76, 102, 128, 154}, |
- {6, 28, 54, 80, 106, 132, 158}, {6, 32, 58, 84, 110, 136, 162}, |
- {6, 26, 54, 82, 110, 138, 166}, {6, 30, 58, 86, 114, 142, 170}, |
-}; |
-const int32_t CBC_QRCoderMatrixUtil::TYPE_INFO_COORDINATES[15][2] = { |
- {8, 0}, {8, 1}, {8, 2}, {8, 3}, {8, 4}, {8, 5}, {8, 7}, {8, 8}, |
- {7, 8}, {5, 8}, {4, 8}, {3, 8}, {2, 8}, {1, 8}, {0, 8}, |
-}; |
-const int32_t CBC_QRCoderMatrixUtil::VERSION_INFO_POLY = 0x1f25; |
-const int32_t CBC_QRCoderMatrixUtil::TYPE_INFO_POLY = 0x0537; |
-const int32_t CBC_QRCoderMatrixUtil::TYPE_INFO_MASK_PATTERN = 0x5412; |
-void CBC_QRCoderMatrixUtil::ClearMatrix(CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- matrix->clear((uint8_t)-1); |
-} |
-void CBC_QRCoderMatrixUtil::BuildMatrix( |
- CBC_QRCoderBitVector* dataBits, |
- CBC_QRCoderErrorCorrectionLevel* ecLevel, |
- int32_t version, |
- int32_t maskPattern, |
- CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- ClearMatrix(matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- EmbedBasicPatterns(version, matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- EmbedTypeInfo(ecLevel, maskPattern, matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- MaybeEmbedVersionInfo(version, matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- EmbedDataBits(dataBits, maskPattern, matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
-} |
-void CBC_QRCoderMatrixUtil::EmbedBasicPatterns(int32_t version, |
- CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- EmbedPositionDetectionPatternsAndSeparators(matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- EmbedDarkDotAtLeftBottomCorner(matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- MaybeEmbedPositionAdjustmentPatterns(version, matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- EmbedTimingPatterns(matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
-} |
-void CBC_QRCoderMatrixUtil::EmbedTypeInfo( |
- CBC_QRCoderErrorCorrectionLevel* ecLevel, |
- int32_t maskPattern, |
- CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- CBC_QRCoderBitVector typeInfoBits; |
- typeInfoBits.Init(); |
- MakeTypeInfoBits(ecLevel, maskPattern, &typeInfoBits, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- for (int32_t i = 0; i < typeInfoBits.Size(); i++) { |
- int32_t bit = typeInfoBits.At(typeInfoBits.Size() - 1 - i, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- int32_t x1 = TYPE_INFO_COORDINATES[i][0]; |
- int32_t y1 = TYPE_INFO_COORDINATES[i][1]; |
- matrix->Set(x1, y1, bit); |
- if (i < 8) { |
- int32_t x2 = matrix->GetWidth() - i - 1; |
- int32_t y2 = 8; |
- matrix->Set(x2, y2, bit); |
- } else { |
- int32_t x2 = 8; |
- int32_t y2 = matrix->GetHeight() - 7 + (i - 8); |
- matrix->Set(x2, y2, bit); |
- } |
- } |
-} |
-void CBC_QRCoderMatrixUtil::MaybeEmbedVersionInfo(int32_t version, |
- CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- if (version < 7) { |
- return; |
- } |
- CBC_QRCoderBitVector versionInfoBits; |
- versionInfoBits.Init(); |
- MakeVersionInfoBits(version, &versionInfoBits, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- int32_t bitIndex = 6 * 3 - 1; |
- for (int32_t i = 0; i < 6; i++) { |
- for (int32_t j = 0; j < 3; j++) { |
- int32_t bit = versionInfoBits.At(bitIndex, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- bitIndex--; |
- matrix->Set(i, matrix->GetHeight() - 11 + j, bit); |
- matrix->Set(matrix->GetHeight() - 11 + j, i, bit); |
- } |
- } |
-} |
-void CBC_QRCoderMatrixUtil::EmbedDataBits(CBC_QRCoderBitVector* dataBits, |
- int32_t maskPattern, |
- CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL || dataBits == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- int32_t bitIndex = 0; |
- int32_t direction = -1; |
- int32_t x = matrix->GetWidth() - 1; |
- int32_t y = matrix->GetHeight() - 1; |
- while (x > 0) { |
- if (x == 6) { |
- x -= 1; |
- } |
- while (y >= 0 && y < matrix->GetHeight()) { |
- if (y == 6) { |
- y += direction; |
- continue; |
- } |
- for (int32_t i = 0; i < 2; i++) { |
- int32_t xx = x - i; |
- if (!IsEmpty(matrix->Get(xx, y))) { |
- continue; |
- } |
- int32_t bit; |
- if (bitIndex < dataBits->Size()) { |
- bit = dataBits->At(bitIndex, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- bitIndex++; |
- } else { |
- bit = 0; |
- } |
- if (maskPattern != -1) { |
- FX_BOOL bol = |
- CBC_QRCoderMaskUtil::GetDataMaskBit(maskPattern, xx, y, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- if (bol) { |
- bit ^= 0x01; |
- } |
- } |
- matrix->Set(xx, y, bit); |
- } |
- y += direction; |
- } |
- direction = -direction; |
- y += direction; |
- x -= 2; |
- } |
- if (bitIndex != dataBits->Size()) { |
- return; |
- } |
-} |
-int32_t CBC_QRCoderMatrixUtil::CalculateBCHCode(int32_t value, int32_t poly) { |
- int32_t msbSetInPoly = FindMSBSet(poly); |
- value <<= msbSetInPoly - 1; |
- while (FindMSBSet(value) >= msbSetInPoly) { |
- value ^= poly << (FindMSBSet(value) - msbSetInPoly); |
- } |
- return value; |
-} |
-void CBC_QRCoderMatrixUtil::MakeTypeInfoBits( |
- CBC_QRCoderErrorCorrectionLevel* ecLevel, |
- int32_t maskPattern, |
- CBC_QRCoderBitVector* bits, |
- int32_t& e) { |
- if (bits == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- if (!CBC_QRCoder::IsValidMaskPattern(maskPattern)) { |
- e = BCExceptionBadMask; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- int32_t typeInfo = (ecLevel->GetBits() << 3) | maskPattern; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- bits->AppendBits(typeInfo, 5, e); |
- int32_t bchCode = CalculateBCHCode(typeInfo, TYPE_INFO_POLY); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- bits->AppendBits(bchCode, 10, e); |
- CBC_QRCoderBitVector maskBits; |
- maskBits.Init(); |
- maskBits.AppendBits(TYPE_INFO_MASK_PATTERN, 15, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- bits->XOR(&maskBits, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- if (bits->Size() != 15) { |
- e = BCExceptionBitSizeNot15; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
-} |
-void CBC_QRCoderMatrixUtil::MakeVersionInfoBits(int32_t version, |
- CBC_QRCoderBitVector* bits, |
- int32_t& e) { |
- if (bits == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- bits->AppendBits(version, 6, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- int32_t bchCode = CalculateBCHCode(version, VERSION_INFO_POLY); |
- bits->AppendBits(bchCode, 12, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- if (bits->Size() != 18) { |
- e = BCExceptionBitSizeNot18; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
-} |
-FX_BOOL CBC_QRCoderMatrixUtil::IsEmpty(int32_t value) { |
- return (uint8_t)value == 0xff; |
-} |
-FX_BOOL CBC_QRCoderMatrixUtil::IsValidValue(int32_t value) { |
- return ((uint8_t)value == 0xff || (uint8_t)value == 0x00 || |
- (uint8_t)value == 0x01); |
-} |
-void CBC_QRCoderMatrixUtil::EmbedTimingPatterns(CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- for (int32_t i = 8; i < matrix->GetWidth() - 8; i++) { |
- int32_t bit = (i + 1) % 2; |
- if (!IsValidValue(matrix->Get(i, 6))) { |
- e = BCExceptionInvalidateImageData; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- if (IsEmpty(matrix->Get(i, 6))) { |
- matrix->Set(i, 6, bit); |
- } |
- if (!IsValidValue(matrix->Get(6, i))) { |
- e = BCExceptionInvalidateImageData; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- if (IsEmpty(matrix->Get(6, i))) { |
- matrix->Set(6, i, bit); |
- } |
- } |
-} |
-void CBC_QRCoderMatrixUtil::EmbedDarkDotAtLeftBottomCorner( |
- CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- if (matrix->Get(8, matrix->GetHeight() - 8) == 0) { |
- e = BCExceptionHeight_8BeZero; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- matrix->Set(8, matrix->GetHeight() - 8, 1); |
-} |
-void CBC_QRCoderMatrixUtil::EmbedHorizontalSeparationPattern( |
- int32_t xStart, |
- int32_t yStart, |
- CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- for (int32_t x = 0; x < 8; x++) { |
- if (!IsEmpty(matrix->Get(xStart + x, yStart))) { |
- e = BCExceptionInvalidateData; |
- BC_EXCEPTION_CHECK_ReturnVoid(e) |
- } |
- matrix->Set(xStart + x, yStart, HORIZONTAL_SEPARATION_PATTERN[0][x]); |
- } |
-} |
-void CBC_QRCoderMatrixUtil::EmbedVerticalSeparationPattern( |
- int32_t xStart, |
- int32_t yStart, |
- CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- for (int32_t y = 0; y < 7; y++) { |
- if (!IsEmpty(matrix->Get(xStart, yStart + y))) { |
- e = BCExceptionInvalidateData; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- matrix->Set(xStart, yStart + y, VERTICAL_SEPARATION_PATTERN[y][0]); |
- } |
-} |
-void CBC_QRCoderMatrixUtil::EmbedPositionAdjustmentPattern( |
- int32_t xStart, |
- int32_t yStart, |
- CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- for (int32_t y = 0; y < 5; y++) { |
- for (int32_t x = 0; x < 5; x++) { |
- if (!IsEmpty(matrix->Get(xStart + x, y + yStart))) { |
- e = BCExceptionInvalidateData; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- matrix->Set(xStart + x, yStart + y, POSITION_ADJUSTMENT_PATTERN[y][x]); |
- } |
- } |
-} |
-void CBC_QRCoderMatrixUtil::EmbedPositionDetectionPattern( |
- int32_t xStart, |
- int32_t yStart, |
- CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- for (int32_t y = 0; y < 7; y++) { |
- for (int32_t x = 0; x < 7; x++) { |
- if (!IsEmpty(matrix->Get(xStart + x, yStart + y))) { |
- e = BCExceptionInvalidateData; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- matrix->Set(xStart + x, yStart + y, POSITION_DETECTION_PATTERN[y][x]); |
- } |
- } |
-} |
-void CBC_QRCoderMatrixUtil::EmbedPositionDetectionPatternsAndSeparators( |
- CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- int32_t pdpWidth = 7; |
- EmbedPositionDetectionPattern(0, 0, matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- EmbedPositionDetectionPattern(matrix->GetWidth() - pdpWidth, 0, matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- EmbedPositionDetectionPattern(0, matrix->GetWidth() - pdpWidth, matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- int32_t hspWidth = 8; |
- EmbedHorizontalSeparationPattern(0, hspWidth - 1, matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- EmbedHorizontalSeparationPattern(matrix->GetWidth() - hspWidth, hspWidth - 1, |
- matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- EmbedHorizontalSeparationPattern(0, matrix->GetWidth() - hspWidth, matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- int32_t vspSize = 7; |
- EmbedVerticalSeparationPattern(vspSize, 0, matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- EmbedVerticalSeparationPattern(matrix->GetHeight() - vspSize - 1, 0, matrix, |
- e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- EmbedVerticalSeparationPattern(vspSize, matrix->GetHeight() - vspSize, matrix, |
- e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
-} |
-void CBC_QRCoderMatrixUtil::MaybeEmbedPositionAdjustmentPatterns( |
- int32_t version, |
- CBC_CommonByteMatrix* matrix, |
- int32_t& e) { |
- if (matrix == NULL) { |
- e = BCExceptionNullPointer; |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- if (version < 2) { |
- return; |
- } |
- int32_t index = version - 1; |
- int32_t const* coordinates = |
- &(POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[index][0]); |
- int32_t numCoordinate = 7; |
- for (int32_t i = 0; i < numCoordinate; i++) { |
- for (int32_t j = 0; j < numCoordinate; j++) { |
- int32_t y = coordinates[i]; |
- int32_t x = coordinates[j]; |
- if (x == -1 || y == -1) { |
- continue; |
- } |
- if (IsEmpty(matrix->Get(x, y))) { |
- EmbedPositionAdjustmentPattern(x - 2, y - 2, matrix, e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
- } |
- } |
- } |
-} |
-int32_t CBC_QRCoderMatrixUtil::FindMSBSet(int32_t value) { |
- int32_t numDigits = 0; |
- while (value != 0) { |
- value >>= 1; |
- ++numDigits; |
- } |
- return numDigits; |
-} |
-CBC_QRCoderMatrixUtil::CBC_QRCoderMatrixUtil() {} |
-CBC_QRCoderMatrixUtil::~CBC_QRCoderMatrixUtil() {} |
+// Copyright 2014 PDFium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
+// Original code is licensed as follows: |
+/* |
+ * Copyright 2008 ZXing authors |
+ * |
+ * Licensed under the Apache License, Version 2.0 (the "License"); |
+ * you may not use this file except in compliance with the License. |
+ * You may obtain a copy of the License at |
+ * |
+ * http://www.apache.org/licenses/LICENSE-2.0 |
+ * |
+ * Unless required by applicable law or agreed to in writing, software |
+ * distributed under the License is distributed on an "AS IS" BASIS, |
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+ * See the License for the specific language governing permissions and |
+ * limitations under the License. |
+ */ |
+ |
+#include "xfa/src/fxbarcode/barcode.h" |
+#include "xfa/src/fxbarcode/common/BC_CommonByteMatrix.h" |
+#include "BC_QRCoderErrorCorrectionLevel.h" |
+#include "BC_QRCoder.h" |
+#include "BC_QRCoderMaskUtil.h" |
+#include "BC_QRCoderMatrixUtil.h" |
+#include "BC_QRCoderBitVector.h" |
+const int32_t CBC_QRCoderMatrixUtil::POSITION_DETECTION_PATTERN[7][7] = { |
+ {1, 1, 1, 1, 1, 1, 1}, |
+ {1, 0, 0, 0, 0, 0, 1}, |
+ {1, 0, 1, 1, 1, 0, 1}, |
+ {1, 0, 1, 1, 1, 0, 1}, |
+ {1, 0, 1, 1, 1, 0, 1}, |
+ {1, 0, 0, 0, 0, 0, 1}, |
+ {1, 1, 1, 1, 1, 1, 1}}; |
+const int32_t CBC_QRCoderMatrixUtil::HORIZONTAL_SEPARATION_PATTERN[1][8] = { |
+ {0, 0, 0, 0, 0, 0, 0, 0}}; |
+const int32_t CBC_QRCoderMatrixUtil::VERTICAL_SEPARATION_PATTERN[7][1] = |
+ {{0}, {0}, {0}, {0}, {0}, {0}, {0}}; |
+const int32_t CBC_QRCoderMatrixUtil::POSITION_ADJUSTMENT_PATTERN[5][5] = { |
+ {1, 1, 1, 1, 1}, |
+ {1, 0, 0, 0, 1}, |
+ {1, 0, 1, 0, 1}, |
+ {1, 0, 0, 0, 1}, |
+ {1, 1, 1, 1, 1}}; |
+const int32_t |
+ CBC_QRCoderMatrixUtil::POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[40][7] = |
+ { |
+ {-1, -1, -1, -1, -1, -1, -1}, {6, 18, -1, -1, -1, -1, -1}, |
+ {6, 22, -1, -1, -1, -1, -1}, {6, 26, -1, -1, -1, -1, -1}, |
+ {6, 30, -1, -1, -1, -1, -1}, {6, 34, -1, -1, -1, -1, -1}, |
+ {6, 22, 38, -1, -1, -1, -1}, {6, 24, 42, -1, -1, -1, -1}, |
+ {6, 26, 46, -1, -1, -1, -1}, {6, 28, 50, -1, -1, -1, -1}, |
+ {6, 30, 54, -1, -1, -1, -1}, {6, 32, 58, -1, -1, -1, -1}, |
+ {6, 34, 62, -1, -1, -1, -1}, {6, 26, 46, 66, -1, -1, -1}, |
+ {6, 26, 48, 70, -1, -1, -1}, {6, 26, 50, 74, -1, -1, -1}, |
+ {6, 30, 54, 78, -1, -1, -1}, {6, 30, 56, 82, -1, -1, -1}, |
+ {6, 30, 58, 86, -1, -1, -1}, {6, 34, 62, 90, -1, -1, -1}, |
+ {6, 28, 50, 72, 94, -1, -1}, {6, 26, 50, 74, 98, -1, -1}, |
+ {6, 30, 54, 78, 102, -1, -1}, {6, 28, 54, 80, 106, -1, -1}, |
+ {6, 32, 58, 84, 110, -1, -1}, {6, 30, 58, 86, 114, -1, -1}, |
+ {6, 34, 62, 90, 118, -1, -1}, {6, 26, 50, 74, 98, 122, -1}, |
+ {6, 30, 54, 78, 102, 126, -1}, {6, 26, 52, 78, 104, 130, -1}, |
+ {6, 30, 56, 82, 108, 134, -1}, {6, 34, 60, 86, 112, 138, -1}, |
+ {6, 30, 58, 86, 114, 142, -1}, {6, 34, 62, 90, 118, 146, -1}, |
+ {6, 30, 54, 78, 102, 126, 150}, {6, 24, 50, 76, 102, 128, 154}, |
+ {6, 28, 54, 80, 106, 132, 158}, {6, 32, 58, 84, 110, 136, 162}, |
+ {6, 26, 54, 82, 110, 138, 166}, {6, 30, 58, 86, 114, 142, 170}, |
+}; |
+const int32_t CBC_QRCoderMatrixUtil::TYPE_INFO_COORDINATES[15][2] = { |
+ {8, 0}, {8, 1}, {8, 2}, {8, 3}, {8, 4}, {8, 5}, {8, 7}, {8, 8}, |
+ {7, 8}, {5, 8}, {4, 8}, {3, 8}, {2, 8}, {1, 8}, {0, 8}, |
+}; |
+const int32_t CBC_QRCoderMatrixUtil::VERSION_INFO_POLY = 0x1f25; |
+const int32_t CBC_QRCoderMatrixUtil::TYPE_INFO_POLY = 0x0537; |
+const int32_t CBC_QRCoderMatrixUtil::TYPE_INFO_MASK_PATTERN = 0x5412; |
+void CBC_QRCoderMatrixUtil::ClearMatrix(CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ matrix->clear((uint8_t)-1); |
+} |
+void CBC_QRCoderMatrixUtil::BuildMatrix( |
+ CBC_QRCoderBitVector* dataBits, |
+ CBC_QRCoderErrorCorrectionLevel* ecLevel, |
+ int32_t version, |
+ int32_t maskPattern, |
+ CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ ClearMatrix(matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ EmbedBasicPatterns(version, matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ EmbedTypeInfo(ecLevel, maskPattern, matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ MaybeEmbedVersionInfo(version, matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ EmbedDataBits(dataBits, maskPattern, matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+} |
+void CBC_QRCoderMatrixUtil::EmbedBasicPatterns(int32_t version, |
+ CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ EmbedPositionDetectionPatternsAndSeparators(matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ EmbedDarkDotAtLeftBottomCorner(matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ MaybeEmbedPositionAdjustmentPatterns(version, matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ EmbedTimingPatterns(matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+} |
+void CBC_QRCoderMatrixUtil::EmbedTypeInfo( |
+ CBC_QRCoderErrorCorrectionLevel* ecLevel, |
+ int32_t maskPattern, |
+ CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ CBC_QRCoderBitVector typeInfoBits; |
+ typeInfoBits.Init(); |
+ MakeTypeInfoBits(ecLevel, maskPattern, &typeInfoBits, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ for (int32_t i = 0; i < typeInfoBits.Size(); i++) { |
+ int32_t bit = typeInfoBits.At(typeInfoBits.Size() - 1 - i, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ int32_t x1 = TYPE_INFO_COORDINATES[i][0]; |
+ int32_t y1 = TYPE_INFO_COORDINATES[i][1]; |
+ matrix->Set(x1, y1, bit); |
+ if (i < 8) { |
+ int32_t x2 = matrix->GetWidth() - i - 1; |
+ int32_t y2 = 8; |
+ matrix->Set(x2, y2, bit); |
+ } else { |
+ int32_t x2 = 8; |
+ int32_t y2 = matrix->GetHeight() - 7 + (i - 8); |
+ matrix->Set(x2, y2, bit); |
+ } |
+ } |
+} |
+void CBC_QRCoderMatrixUtil::MaybeEmbedVersionInfo(int32_t version, |
+ CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ if (version < 7) { |
+ return; |
+ } |
+ CBC_QRCoderBitVector versionInfoBits; |
+ versionInfoBits.Init(); |
+ MakeVersionInfoBits(version, &versionInfoBits, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ int32_t bitIndex = 6 * 3 - 1; |
+ for (int32_t i = 0; i < 6; i++) { |
+ for (int32_t j = 0; j < 3; j++) { |
+ int32_t bit = versionInfoBits.At(bitIndex, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ bitIndex--; |
+ matrix->Set(i, matrix->GetHeight() - 11 + j, bit); |
+ matrix->Set(matrix->GetHeight() - 11 + j, i, bit); |
+ } |
+ } |
+} |
+void CBC_QRCoderMatrixUtil::EmbedDataBits(CBC_QRCoderBitVector* dataBits, |
+ int32_t maskPattern, |
+ CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL || dataBits == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ int32_t bitIndex = 0; |
+ int32_t direction = -1; |
+ int32_t x = matrix->GetWidth() - 1; |
+ int32_t y = matrix->GetHeight() - 1; |
+ while (x > 0) { |
+ if (x == 6) { |
+ x -= 1; |
+ } |
+ while (y >= 0 && y < matrix->GetHeight()) { |
+ if (y == 6) { |
+ y += direction; |
+ continue; |
+ } |
+ for (int32_t i = 0; i < 2; i++) { |
+ int32_t xx = x - i; |
+ if (!IsEmpty(matrix->Get(xx, y))) { |
+ continue; |
+ } |
+ int32_t bit; |
+ if (bitIndex < dataBits->Size()) { |
+ bit = dataBits->At(bitIndex, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ bitIndex++; |
+ } else { |
+ bit = 0; |
+ } |
+ if (maskPattern != -1) { |
+ FX_BOOL bol = |
+ CBC_QRCoderMaskUtil::GetDataMaskBit(maskPattern, xx, y, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ if (bol) { |
+ bit ^= 0x01; |
+ } |
+ } |
+ matrix->Set(xx, y, bit); |
+ } |
+ y += direction; |
+ } |
+ direction = -direction; |
+ y += direction; |
+ x -= 2; |
+ } |
+ if (bitIndex != dataBits->Size()) { |
+ return; |
+ } |
+} |
+int32_t CBC_QRCoderMatrixUtil::CalculateBCHCode(int32_t value, int32_t poly) { |
+ int32_t msbSetInPoly = FindMSBSet(poly); |
+ value <<= msbSetInPoly - 1; |
+ while (FindMSBSet(value) >= msbSetInPoly) { |
+ value ^= poly << (FindMSBSet(value) - msbSetInPoly); |
+ } |
+ return value; |
+} |
+void CBC_QRCoderMatrixUtil::MakeTypeInfoBits( |
+ CBC_QRCoderErrorCorrectionLevel* ecLevel, |
+ int32_t maskPattern, |
+ CBC_QRCoderBitVector* bits, |
+ int32_t& e) { |
+ if (bits == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ if (!CBC_QRCoder::IsValidMaskPattern(maskPattern)) { |
+ e = BCExceptionBadMask; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ int32_t typeInfo = (ecLevel->GetBits() << 3) | maskPattern; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ bits->AppendBits(typeInfo, 5, e); |
+ int32_t bchCode = CalculateBCHCode(typeInfo, TYPE_INFO_POLY); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ bits->AppendBits(bchCode, 10, e); |
+ CBC_QRCoderBitVector maskBits; |
+ maskBits.Init(); |
+ maskBits.AppendBits(TYPE_INFO_MASK_PATTERN, 15, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ bits->XOR(&maskBits, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ if (bits->Size() != 15) { |
+ e = BCExceptionBitSizeNot15; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+} |
+void CBC_QRCoderMatrixUtil::MakeVersionInfoBits(int32_t version, |
+ CBC_QRCoderBitVector* bits, |
+ int32_t& e) { |
+ if (bits == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ bits->AppendBits(version, 6, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ int32_t bchCode = CalculateBCHCode(version, VERSION_INFO_POLY); |
+ bits->AppendBits(bchCode, 12, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ if (bits->Size() != 18) { |
+ e = BCExceptionBitSizeNot18; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+} |
+FX_BOOL CBC_QRCoderMatrixUtil::IsEmpty(int32_t value) { |
+ return (uint8_t)value == 0xff; |
+} |
+FX_BOOL CBC_QRCoderMatrixUtil::IsValidValue(int32_t value) { |
+ return ((uint8_t)value == 0xff || (uint8_t)value == 0x00 || |
+ (uint8_t)value == 0x01); |
+} |
+void CBC_QRCoderMatrixUtil::EmbedTimingPatterns(CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ for (int32_t i = 8; i < matrix->GetWidth() - 8; i++) { |
+ int32_t bit = (i + 1) % 2; |
+ if (!IsValidValue(matrix->Get(i, 6))) { |
+ e = BCExceptionInvalidateImageData; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ if (IsEmpty(matrix->Get(i, 6))) { |
+ matrix->Set(i, 6, bit); |
+ } |
+ if (!IsValidValue(matrix->Get(6, i))) { |
+ e = BCExceptionInvalidateImageData; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ if (IsEmpty(matrix->Get(6, i))) { |
+ matrix->Set(6, i, bit); |
+ } |
+ } |
+} |
+void CBC_QRCoderMatrixUtil::EmbedDarkDotAtLeftBottomCorner( |
+ CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ if (matrix->Get(8, matrix->GetHeight() - 8) == 0) { |
+ e = BCExceptionHeight_8BeZero; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ matrix->Set(8, matrix->GetHeight() - 8, 1); |
+} |
+void CBC_QRCoderMatrixUtil::EmbedHorizontalSeparationPattern( |
+ int32_t xStart, |
+ int32_t yStart, |
+ CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ for (int32_t x = 0; x < 8; x++) { |
+ if (!IsEmpty(matrix->Get(xStart + x, yStart))) { |
+ e = BCExceptionInvalidateData; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e) |
+ } |
+ matrix->Set(xStart + x, yStart, HORIZONTAL_SEPARATION_PATTERN[0][x]); |
+ } |
+} |
+void CBC_QRCoderMatrixUtil::EmbedVerticalSeparationPattern( |
+ int32_t xStart, |
+ int32_t yStart, |
+ CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ for (int32_t y = 0; y < 7; y++) { |
+ if (!IsEmpty(matrix->Get(xStart, yStart + y))) { |
+ e = BCExceptionInvalidateData; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ matrix->Set(xStart, yStart + y, VERTICAL_SEPARATION_PATTERN[y][0]); |
+ } |
+} |
+void CBC_QRCoderMatrixUtil::EmbedPositionAdjustmentPattern( |
+ int32_t xStart, |
+ int32_t yStart, |
+ CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ for (int32_t y = 0; y < 5; y++) { |
+ for (int32_t x = 0; x < 5; x++) { |
+ if (!IsEmpty(matrix->Get(xStart + x, y + yStart))) { |
+ e = BCExceptionInvalidateData; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ matrix->Set(xStart + x, yStart + y, POSITION_ADJUSTMENT_PATTERN[y][x]); |
+ } |
+ } |
+} |
+void CBC_QRCoderMatrixUtil::EmbedPositionDetectionPattern( |
+ int32_t xStart, |
+ int32_t yStart, |
+ CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ for (int32_t y = 0; y < 7; y++) { |
+ for (int32_t x = 0; x < 7; x++) { |
+ if (!IsEmpty(matrix->Get(xStart + x, yStart + y))) { |
+ e = BCExceptionInvalidateData; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ matrix->Set(xStart + x, yStart + y, POSITION_DETECTION_PATTERN[y][x]); |
+ } |
+ } |
+} |
+void CBC_QRCoderMatrixUtil::EmbedPositionDetectionPatternsAndSeparators( |
+ CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ int32_t pdpWidth = 7; |
+ EmbedPositionDetectionPattern(0, 0, matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ EmbedPositionDetectionPattern(matrix->GetWidth() - pdpWidth, 0, matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ EmbedPositionDetectionPattern(0, matrix->GetWidth() - pdpWidth, matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ int32_t hspWidth = 8; |
+ EmbedHorizontalSeparationPattern(0, hspWidth - 1, matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ EmbedHorizontalSeparationPattern(matrix->GetWidth() - hspWidth, hspWidth - 1, |
+ matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ EmbedHorizontalSeparationPattern(0, matrix->GetWidth() - hspWidth, matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ int32_t vspSize = 7; |
+ EmbedVerticalSeparationPattern(vspSize, 0, matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ EmbedVerticalSeparationPattern(matrix->GetHeight() - vspSize - 1, 0, matrix, |
+ e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ EmbedVerticalSeparationPattern(vspSize, matrix->GetHeight() - vspSize, matrix, |
+ e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+} |
+void CBC_QRCoderMatrixUtil::MaybeEmbedPositionAdjustmentPatterns( |
+ int32_t version, |
+ CBC_CommonByteMatrix* matrix, |
+ int32_t& e) { |
+ if (matrix == NULL) { |
+ e = BCExceptionNullPointer; |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ if (version < 2) { |
+ return; |
+ } |
+ int32_t index = version - 1; |
+ int32_t const* coordinates = |
+ &(POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[index][0]); |
+ int32_t numCoordinate = 7; |
+ for (int32_t i = 0; i < numCoordinate; i++) { |
+ for (int32_t j = 0; j < numCoordinate; j++) { |
+ int32_t y = coordinates[i]; |
+ int32_t x = coordinates[j]; |
+ if (x == -1 || y == -1) { |
+ continue; |
+ } |
+ if (IsEmpty(matrix->Get(x, y))) { |
+ EmbedPositionAdjustmentPattern(x - 2, y - 2, matrix, e); |
+ BC_EXCEPTION_CHECK_ReturnVoid(e); |
+ } |
+ } |
+ } |
+} |
+int32_t CBC_QRCoderMatrixUtil::FindMSBSet(int32_t value) { |
+ int32_t numDigits = 0; |
+ while (value != 0) { |
+ value >>= 1; |
+ ++numDigits; |
+ } |
+ return numDigits; |
+} |
+CBC_QRCoderMatrixUtil::CBC_QRCoderMatrixUtil() {} |
+CBC_QRCoderMatrixUtil::~CBC_QRCoderMatrixUtil() {} |