xfa/src/fxbarcode/qrcode/BC_QRCoderMatrixUtil.cpp - pdfium.git - Git at Google

 // 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() {}