diff options
Diffstat (limited to 'xfa/src/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp')
| -rw-r--r-- | xfa/src/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp | 490 |
1 files changed, 490 insertions, 0 deletions
diff --git a/xfa/src/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp b/xfa/src/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp new file mode 100644 index 0000000000..4c2db5e34e --- /dev/null +++ b/xfa/src/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp @@ -0,0 +1,490 @@ +// 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 "../barcode.h"
+#include "../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 FX_INT32 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 FX_INT32 CBC_QRCoderMatrixUtil::HORIZONTAL_SEPARATION_PATTERN[1][8] = {
+ 0, 0, 0, 0, 0, 0, 0, 0
+};
+const FX_INT32 CBC_QRCoderMatrixUtil::VERTICAL_SEPARATION_PATTERN[7][1] = {
+ 0, 0, 0, 0, 0, 0, 0
+};
+const FX_INT32 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 FX_INT32 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 FX_INT32 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 FX_INT32 CBC_QRCoderMatrixUtil::VERSION_INFO_POLY = 0x1f25;
+const FX_INT32 CBC_QRCoderMatrixUtil::TYPE_INFO_POLY = 0x0537;
+const FX_INT32 CBC_QRCoderMatrixUtil::TYPE_INFO_MASK_PATTERN = 0x5412;
+void CBC_QRCoderMatrixUtil::ClearMatrix(CBC_CommonByteMatrix* matrix, FX_INT32 &e)
+{
+ if(matrix == NULL) {
+ e = BCExceptionNullPointer;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ matrix->clear((FX_BYTE) - 1);
+}
+void CBC_QRCoderMatrixUtil::BuildMatrix(CBC_QRCoderBitVector* dataBits,
+ CBC_QRCoderErrorCorrectionLevel* ecLevel,
+ FX_INT32 version, FX_INT32 maskPattern,
+ CBC_CommonByteMatrix* matrix, FX_INT32 &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(FX_INT32 version, CBC_CommonByteMatrix* matrix, FX_INT32 &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,
+ FX_INT32 maskPattern, CBC_CommonByteMatrix *matrix, FX_INT32 &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(FX_INT32 i = 0; i < typeInfoBits.Size(); i++) {
+ FX_INT32 bit = typeInfoBits.At(typeInfoBits.Size() - 1 - i, e);
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ FX_INT32 x1 = TYPE_INFO_COORDINATES[i][0];
+ FX_INT32 y1 = TYPE_INFO_COORDINATES[i][1];
+ matrix->Set(x1, y1, bit);
+ if(i < 8) {
+ FX_INT32 x2 = matrix->GetWidth() - i - 1;
+ FX_INT32 y2 = 8;
+ matrix->Set(x2, y2, bit);
+ } else {
+ FX_INT32 x2 = 8;
+ FX_INT32 y2 = matrix->GetHeight() - 7 + (i - 8);
+ matrix->Set(x2, y2, bit);
+ }
+ }
+}
+void CBC_QRCoderMatrixUtil::MaybeEmbedVersionInfo(FX_INT32 version, CBC_CommonByteMatrix* matrix, FX_INT32 &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);
+ FX_INT32 bitIndex = 6 * 3 - 1;
+ for(FX_INT32 i = 0; i < 6; i++) {
+ for(FX_INT32 j = 0; j < 3; j++) {
+ FX_INT32 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,
+ FX_INT32 maskPattern, CBC_CommonByteMatrix* matrix, FX_INT32 &e)
+{
+ if(matrix == NULL || dataBits == NULL) {
+ e = BCExceptionNullPointer;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ FX_INT32 bitIndex = 0;
+ FX_INT32 direction = -1;
+ FX_INT32 x = matrix->GetWidth() - 1;
+ FX_INT32 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(FX_INT32 i = 0; i < 2; i++) {
+ FX_INT32 xx = x - i;
+ if(!IsEmpty(matrix->Get(xx, y))) {
+ continue;
+ }
+ FX_INT32 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;
+ }
+}
+FX_INT32 CBC_QRCoderMatrixUtil::CalculateBCHCode(FX_INT32 value, FX_INT32 poly)
+{
+ FX_INT32 msbSetInPoly = FindMSBSet(poly);
+ value <<= msbSetInPoly - 1;
+ while(FindMSBSet(value) >= msbSetInPoly) {
+ value ^= poly << (FindMSBSet(value) - msbSetInPoly);
+ }
+ return value;
+}
+void CBC_QRCoderMatrixUtil::MakeTypeInfoBits(CBC_QRCoderErrorCorrectionLevel* ecLevel,
+ FX_INT32 maskPattern, CBC_QRCoderBitVector* bits, FX_INT32 &e)
+{
+ if(bits == NULL) {
+ e = BCExceptionNullPointer;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ if(!CBC_QRCoder::IsValidMaskPattern(maskPattern)) {
+ e = BCExceptionBadMask;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ FX_INT32 typeInfo = (ecLevel->GetBits() << 3) | maskPattern;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ bits->AppendBits(typeInfo, 5, e);
+ FX_INT32 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(FX_INT32 version, CBC_QRCoderBitVector* bits, FX_INT32 &e)
+{
+ if(bits == NULL) {
+ e = BCExceptionNullPointer;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ bits->AppendBits(version, 6, e);
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ FX_INT32 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(FX_INT32 value)
+{
+ return (FX_BYTE)value == 0xff;
+}
+FX_BOOL CBC_QRCoderMatrixUtil::IsValidValue(FX_INT32 value)
+{
+ return ((FX_BYTE)value == 0xff || (FX_BYTE)value == 0x00 || (FX_BYTE)value == 0x01);
+}
+void CBC_QRCoderMatrixUtil::EmbedTimingPatterns(CBC_CommonByteMatrix* matrix, FX_INT32 &e)
+{
+ if(matrix == NULL) {
+ e = BCExceptionNullPointer;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ for(FX_INT32 i = 8; i < matrix->GetWidth() - 8; i++) {
+ FX_INT32 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, FX_INT32 &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(FX_INT32 xStart, FX_INT32 yStart,
+ CBC_CommonByteMatrix* matrix, FX_INT32 &e)
+{
+ if(matrix == NULL) {
+ e = BCExceptionNullPointer;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ for(FX_INT32 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(FX_INT32 xStart, FX_INT32 yStart,
+ CBC_CommonByteMatrix* matrix, FX_INT32 &e)
+{
+ if(matrix == NULL) {
+ e = BCExceptionNullPointer;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ for(FX_INT32 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(FX_INT32 xStart, FX_INT32 yStart,
+ CBC_CommonByteMatrix* matrix, FX_INT32 &e)
+{
+ if(matrix == NULL) {
+ e = BCExceptionNullPointer;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ for(FX_INT32 y = 0; y < 5; y++) {
+ for(FX_INT32 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 (FX_INT32 xStart, FX_INT32 yStart,
+ CBC_CommonByteMatrix* matrix, FX_INT32 &e)
+{
+ if(matrix == NULL) {
+ e = BCExceptionNullPointer;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ for(FX_INT32 y = 0; y < 7; y++) {
+ for(FX_INT32 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, FX_INT32 &e)
+{
+ if(matrix == NULL) {
+ e = BCExceptionNullPointer;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ FX_INT32 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);
+ FX_INT32 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);
+ FX_INT32 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(FX_INT32 version, CBC_CommonByteMatrix* matrix, FX_INT32 &e)
+{
+ if(matrix == NULL) {
+ e = BCExceptionNullPointer;
+ BC_EXCEPTION_CHECK_ReturnVoid(e);
+ }
+ if(version < 2) {
+ return;
+ }
+ FX_INT32 index = version - 1;
+ FX_INT32 const* coordinates = &(POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[index][0]);
+ FX_INT32 numCoordinate = 7;
+ for(FX_INT32 i = 0; i < numCoordinate; i++) {
+ for(FX_INT32 j = 0; j < numCoordinate; j++) {
+ FX_INT32 y = coordinates[i];
+ FX_INT32 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);
+ }
+ }
+ }
+}
+FX_INT32 CBC_QRCoderMatrixUtil::FindMSBSet(FX_INT32 value)
+{
+ FX_INT32 numDigits = 0;
+ while(value != 0) {
+ value >>= 1;
+ ++numDigits;
+ }
+ return numDigits;
+}
+CBC_QRCoderMatrixUtil::CBC_QRCoderMatrixUtil()
+{
+}
+CBC_QRCoderMatrixUtil::~CBC_QRCoderMatrixUtil()
+{
+}
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