| // 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/fxbarcode/qrcode/BC_QRCoderEncoder.h" |
| |
| #include <algorithm> |
| #include <memory> |
| #include <utility> |
| |
| #include "xfa/fxbarcode/BC_UtilCodingConvert.h" |
| #include "xfa/fxbarcode/common/BC_CommonByteArray.h" |
| #include "xfa/fxbarcode/common/BC_CommonByteMatrix.h" |
| #include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomon.h" |
| #include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRCoder.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRCoderBitVector.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRCoderBlockPair.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRCoderECBlocks.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRCoderMaskUtil.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRCoderMatrixUtil.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRCoderMode.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRCoderVersion.h" |
| |
| const int32_t CBC_QRCoderEncoder::m_alphaNumbericTable[] = { |
| -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43, |
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 44, -1, -1, -1, -1, -1, |
| -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, |
| 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1}; |
| |
| CBC_QRCoderEncoder::CBC_QRCoderEncoder() {} |
| |
| CBC_QRCoderEncoder::~CBC_QRCoderEncoder() {} |
| |
| class Make_Pair { |
| public: |
| CBC_QRCoderMode* m_mode; |
| CFX_ByteString m_string; |
| |
| private: |
| Make_Pair(const Make_Pair& mode_string) {} |
| Make_Pair& operator=(Make_Pair& mode_string) { |
| if (this == &mode_string) { |
| return *this; |
| } |
| m_mode = mode_string.m_mode; |
| m_string = mode_string.m_string; |
| return *this; |
| } |
| |
| public: |
| Make_Pair(CBC_QRCoderMode* mode, const CFX_ByteString& str) |
| : m_mode(mode), m_string(str) {} |
| ~Make_Pair() {} |
| }; |
| void CBC_QRCoderEncoder::Encode(const CFX_ByteString& content, |
| CBC_QRCoderErrorCorrectionLevel* ecLevel, |
| CBC_QRCoder* qrCode, |
| int32_t& e, |
| int32_t versionSpecify) { |
| if (versionSpecify == 0) { |
| EncodeWithAutoVersion(content, ecLevel, qrCode, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e) |
| } else if (versionSpecify > 0 && versionSpecify <= 40) { |
| EncodeWithSpecifyVersion(content, ecLevel, qrCode, versionSpecify, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } else { |
| e = BCExceptionVersionMust1_40; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| |
| void CBC_QRCoderEncoder::AppendECI(CBC_QRCoderBitVector* bits) {} |
| |
| void CBC_QRCoderEncoder::AppendDataModeLenghInfo( |
| const CFX_ArrayTemplate<Make_Pair*>& splitResult, |
| CBC_QRCoderBitVector& headerAndDataBits, |
| CBC_QRCoderMode* tempMode, |
| CBC_QRCoder* qrCode, |
| CFX_ByteString& encoding, |
| int32_t& e) { |
| for (int32_t i = 0; i < splitResult.GetSize(); i++) { |
| tempMode = splitResult[i]->m_mode; |
| if (tempMode == CBC_QRCoderMode::sGBK) { |
| AppendModeInfo(tempMode, &headerAndDataBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| AppendLengthInfo(splitResult[i]->m_string.GetLength(), |
| qrCode->GetVersion(), tempMode, &headerAndDataBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| AppendBytes(splitResult[i]->m_string, tempMode, &headerAndDataBits, |
| encoding, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } else if (tempMode == CBC_QRCoderMode::sBYTE) { |
| CFX_ByteArray bytes; |
| CBC_UtilCodingConvert::LocaleToUtf8(splitResult[i]->m_string, bytes); |
| AppendModeInfo(tempMode, &headerAndDataBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| AppendLengthInfo(bytes.GetSize(), qrCode->GetVersion(), tempMode, |
| &headerAndDataBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| Append8BitBytes(bytes, &headerAndDataBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } else if (tempMode == CBC_QRCoderMode::sALPHANUMERIC) { |
| AppendModeInfo(tempMode, &headerAndDataBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| AppendLengthInfo(splitResult[i]->m_string.GetLength(), |
| qrCode->GetVersion(), tempMode, &headerAndDataBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| AppendBytes(splitResult[i]->m_string, tempMode, &headerAndDataBits, |
| encoding, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } else if (tempMode == CBC_QRCoderMode::sNUMERIC) { |
| AppendModeInfo(tempMode, &headerAndDataBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| AppendLengthInfo(splitResult[i]->m_string.GetLength(), |
| qrCode->GetVersion(), tempMode, &headerAndDataBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| AppendBytes(splitResult[i]->m_string, tempMode, &headerAndDataBits, |
| encoding, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } else { |
| e = BCExceptionUnknown; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| } |
| |
| void CBC_QRCoderEncoder::SplitString(const CFX_ByteString& content, |
| CFX_ArrayTemplate<Make_Pair*>* result) { |
| int32_t index = 0, flag = 0; |
| while ( |
| (((uint8_t)content[index] >= 0xA1 && (uint8_t)content[index] <= 0xAA) || |
| ((uint8_t)content[index] >= 0xB0 && (uint8_t)content[index] <= 0xFA)) && |
| (index < content.GetLength())) { |
| index += 2; |
| } |
| if (index != flag) { |
| result->Add( |
| new Make_Pair(CBC_QRCoderMode::sGBK, content.Mid(flag, index - flag))); |
| } |
| flag = index; |
| if (index >= content.GetLength()) { |
| return; |
| } |
| while ( |
| GetAlphaNumericCode((uint8_t)content[index]) == -1 && |
| !(((uint8_t)content[index] >= 0xA1 && (uint8_t)content[index] <= 0xAA) || |
| ((uint8_t)content[index] >= 0xB0 && (uint8_t)content[index] <= 0xFA)) && |
| (index < content.GetLength())) { |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
| if (IsDBCSLeadByte((uint8_t)content[index])) |
| #else |
| if ((uint8_t)content[index] > 127) |
| #endif |
| { |
| index += 2; |
| } else { |
| index++; |
| } |
| } |
| if (index != flag) { |
| result->Add( |
| new Make_Pair(CBC_QRCoderMode::sBYTE, content.Mid(flag, index - flag))); |
| } |
| flag = index; |
| if (index >= content.GetLength()) { |
| return; |
| } |
| while (FXSYS_Isdigit((uint8_t)content[index]) && |
| (index < content.GetLength())) { |
| index++; |
| } |
| if (index != flag) { |
| result->Add(new Make_Pair(CBC_QRCoderMode::sNUMERIC, |
| content.Mid(flag, index - flag))); |
| } |
| flag = index; |
| if (index >= content.GetLength()) { |
| return; |
| } |
| while (GetAlphaNumericCode((uint8_t)content[index]) != -1 && |
| (index < content.GetLength())) { |
| index++; |
| } |
| if (index != flag) { |
| result->Add(new Make_Pair(CBC_QRCoderMode::sALPHANUMERIC, |
| content.Mid(flag, index - flag))); |
| } |
| flag = index; |
| if (index < content.GetLength()) |
| SplitString(content.Mid(index, content.GetLength() - index), result); |
| } |
| |
| int32_t CBC_QRCoderEncoder::GetSpanByVersion(CBC_QRCoderMode* modeFirst, |
| CBC_QRCoderMode* modeSecond, |
| int32_t versionNum, |
| int32_t& e) { |
| if (versionNum == 0) { |
| return 0; |
| } |
| if ((modeFirst == CBC_QRCoderMode::sALPHANUMERIC) && |
| (modeSecond == CBC_QRCoderMode::sBYTE)) { |
| if (versionNum >= 1 && versionNum <= 9) { |
| return 11; |
| } else if (versionNum >= 10 && versionNum <= 26) { |
| return 15; |
| } else if (versionNum >= 27 && versionNum <= 40) { |
| return 16; |
| } else { |
| e = BCExceptionNoSuchVersion; |
| BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
| } |
| } else if ((modeSecond == CBC_QRCoderMode::sALPHANUMERIC) && |
| (modeFirst == CBC_QRCoderMode::sNUMERIC)) { |
| if (versionNum >= 1 && versionNum <= 9) { |
| return 13; |
| } else if (versionNum >= 10 && versionNum <= 26) { |
| return 15; |
| } else if (versionNum >= 27 && versionNum <= 40) { |
| return 17; |
| } else { |
| e = BCExceptionNoSuchVersion; |
| BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
| } |
| } else if ((modeSecond == CBC_QRCoderMode::sBYTE) && |
| (modeFirst == CBC_QRCoderMode::sNUMERIC)) { |
| if (versionNum >= 1 && versionNum <= 9) { |
| return 6; |
| } else if (versionNum >= 10 && versionNum <= 26) { |
| return 8; |
| } else if (versionNum >= 27 && versionNum <= 40) { |
| return 9; |
| } else { |
| e = BCExceptionNoSuchVersion; |
| BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
| } |
| } |
| return -1; |
| } |
| |
| void CBC_QRCoderEncoder::MergeString(CFX_ArrayTemplate<Make_Pair*>* result, |
| int32_t versionNum, |
| int32_t& e) { |
| Make_Pair* first = nullptr; |
| Make_Pair* second = nullptr; |
| size_t mergeNum = 0; |
| int32_t i; |
| for (i = 0; ((i < result->GetSize()) && (i + 1 < result->GetSize())); i++) { |
| first = (*result)[i]; |
| second = (*result)[i + 1]; |
| if (first->m_mode == CBC_QRCoderMode::sALPHANUMERIC) { |
| int32_t tmp = GetSpanByVersion(CBC_QRCoderMode::sALPHANUMERIC, |
| CBC_QRCoderMode::sBYTE, versionNum, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| if ((second->m_mode == CBC_QRCoderMode::sBYTE) && |
| (first->m_string.GetLength() < tmp)) { |
| CFX_ByteString str = first->m_string + second->m_string; |
| second->m_string = str; |
| delete first; |
| result->RemoveAt(i); |
| i--; |
| mergeNum++; |
| } |
| } else if (first->m_mode == CBC_QRCoderMode::sBYTE) { |
| if (second->m_mode == CBC_QRCoderMode::sBYTE) { |
| first->m_string += second->m_string; |
| delete second; |
| result->RemoveAt(i + 1); |
| i--; |
| mergeNum++; |
| } |
| } else if (first->m_mode == CBC_QRCoderMode::sNUMERIC) { |
| int32_t tmp = GetSpanByVersion(CBC_QRCoderMode::sNUMERIC, |
| CBC_QRCoderMode::sBYTE, versionNum, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| if ((second->m_mode == CBC_QRCoderMode::sBYTE) && |
| (first->m_string.GetLength() < tmp)) { |
| CFX_ByteString str = first->m_string + second->m_string; |
| second->m_string = str; |
| delete first; |
| result->RemoveAt(i); |
| i--; |
| mergeNum++; |
| } |
| tmp = GetSpanByVersion(CBC_QRCoderMode::sNUMERIC, |
| CBC_QRCoderMode::sALPHANUMERIC, versionNum, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| if ((second->m_mode == CBC_QRCoderMode::sALPHANUMERIC) && |
| (first->m_string.GetLength() < tmp)) { |
| CFX_ByteString str = first->m_string + second->m_string; |
| second->m_string = str; |
| delete first; |
| result->RemoveAt(i); |
| i--; |
| mergeNum++; |
| } |
| } |
| } |
| if (mergeNum == 0) { |
| return; |
| } |
| MergeString(result, versionNum, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| |
| void CBC_QRCoderEncoder::InitQRCode(int32_t numInputBytes, |
| int32_t versionNumber, |
| CBC_QRCoderErrorCorrectionLevel* ecLevel, |
| CBC_QRCoderMode* mode, |
| CBC_QRCoder* qrCode, |
| int32_t& e) { |
| qrCode->SetECLevel(ecLevel); |
| qrCode->SetMode(mode); |
| CBC_QRCoderVersion* version = |
| CBC_QRCoderVersion::GetVersionForNumber(versionNumber, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| int32_t numBytes = version->GetTotalCodeWords(); |
| CBC_QRCoderECBlocks* ecBlocks = version->GetECBlocksForLevel(ecLevel); |
| int32_t numEcBytes = ecBlocks->GetTotalECCodeWords(); |
| int32_t numRSBlocks = ecBlocks->GetNumBlocks(); |
| int32_t numDataBytes = numBytes - numEcBytes; |
| if (numDataBytes >= numInputBytes + 3) { |
| qrCode->SetVersion(versionNumber); |
| qrCode->SetNumTotalBytes(numBytes); |
| qrCode->SetNumDataBytes(numDataBytes); |
| qrCode->SetNumRSBlocks(numRSBlocks); |
| qrCode->SetNumECBytes(numEcBytes); |
| qrCode->SetMatrixWidth(version->GetDimensionForVersion()); |
| return; |
| } |
| e = BCExceptionCannotFindBlockInfo; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| |
| void CBC_QRCoderEncoder::EncodeWithSpecifyVersion( |
| const CFX_ByteString& content, |
| CBC_QRCoderErrorCorrectionLevel* ecLevel, |
| CBC_QRCoder* qrCode, |
| int32_t versionSpecify, |
| int32_t& e) { |
| CFX_ByteString encoding = "utf8"; |
| CBC_QRCoderMode* mode = CBC_QRCoderMode::sBYTE; |
| CFX_ArrayTemplate<Make_Pair*> splitResult; |
| CBC_QRCoderBitVector dataBits; |
| dataBits.Init(); |
| SplitString(content, &splitResult); |
| MergeString(&splitResult, versionSpecify, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e) CBC_QRCoderMode* tempMode = nullptr; |
| for (int32_t i = 0; i < splitResult.GetSize(); i++) { |
| AppendBytes(splitResult[i]->m_string, splitResult[i]->m_mode, &dataBits, |
| encoding, e); |
| if (e != BCExceptionNO) { |
| for (int32_t y = 0; y < splitResult.GetSize(); y++) |
| delete splitResult[y]; |
| return; |
| } |
| } |
| int32_t numInputBytes = dataBits.sizeInBytes(); |
| CBC_QRCoderBitVector headerAndDataBits; |
| headerAndDataBits.Init(); |
| InitQRCode(numInputBytes, versionSpecify, ecLevel, mode, qrCode, e); |
| if (e != BCExceptionNO) { |
| for (int32_t k = 0; k < splitResult.GetSize(); k++) |
| delete splitResult[k]; |
| return; |
| } |
| AppendDataModeLenghInfo(splitResult, headerAndDataBits, tempMode, qrCode, |
| encoding, e); |
| if (e != BCExceptionNO) { |
| for (int32_t k = 0; k < splitResult.GetSize(); k++) |
| delete splitResult[k]; |
| return; |
| } |
| numInputBytes = headerAndDataBits.sizeInBytes(); |
| TerminateBits(qrCode->GetNumDataBytes(), &headerAndDataBits, e); |
| for (int32_t j = 0; j < splitResult.GetSize(); j++) { |
| delete splitResult[j]; |
| } |
| if (e != BCExceptionNO) |
| return; |
| |
| CBC_QRCoderBitVector finalBits; |
| finalBits.Init(); |
| InterleaveWithECBytes(&headerAndDataBits, qrCode->GetNumTotalBytes(), |
| qrCode->GetNumDataBytes(), qrCode->GetNumRSBlocks(), |
| &finalBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| std::unique_ptr<CBC_CommonByteMatrix> matrix(new CBC_CommonByteMatrix( |
| qrCode->GetMatrixWidth(), qrCode->GetMatrixWidth())); |
| matrix->Init(); |
| int32_t maskPattern = ChooseMaskPattern( |
| &finalBits, qrCode->GetECLevel(), qrCode->GetVersion(), matrix.get(), e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| qrCode->SetMaskPattern(maskPattern); |
| CBC_QRCoderMatrixUtil::BuildMatrix(&finalBits, qrCode->GetECLevel(), |
| qrCode->GetVersion(), |
| qrCode->GetMaskPattern(), matrix.get(), e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| qrCode->SetMatrix(std::move(matrix)); |
| if (!qrCode->IsValid()) { |
| e = BCExceptionInvalidQRCode; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| |
| void CBC_QRCoderEncoder::EncodeWithAutoVersion( |
| const CFX_ByteString& content, |
| CBC_QRCoderErrorCorrectionLevel* ecLevel, |
| CBC_QRCoder* qrCode, |
| int32_t& e) { |
| CFX_ByteString encoding = "utf8"; |
| CBC_QRCoderMode* mode = CBC_QRCoderMode::sBYTE; |
| CFX_ArrayTemplate<Make_Pair*> splitResult; |
| CBC_QRCoderBitVector dataBits; |
| dataBits.Init(); |
| SplitString(content, &splitResult); |
| MergeString(&splitResult, 8, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| CBC_QRCoderMode* tempMode = nullptr; |
| for (int32_t i = 0; i < splitResult.GetSize(); i++) { |
| AppendBytes(splitResult[i]->m_string, splitResult[i]->m_mode, &dataBits, |
| encoding, e); |
| if (e != BCExceptionNO) { |
| for (int32_t l = 0; l < splitResult.GetSize(); l++) |
| delete splitResult[l]; |
| return; |
| } |
| } |
| int32_t numInputBytes = dataBits.sizeInBytes(); |
| InitQRCode(numInputBytes, ecLevel, mode, qrCode, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e) CBC_QRCoderBitVector headerAndDataBits; |
| headerAndDataBits.Init(); |
| tempMode = nullptr; |
| int32_t versionNum = qrCode->GetVersion(); |
| sign: |
| AppendDataModeLenghInfo(splitResult, headerAndDataBits, tempMode, qrCode, |
| encoding, e); |
| if (e != BCExceptionNO) { |
| goto catchException; |
| } |
| numInputBytes = headerAndDataBits.sizeInBytes(); |
| TerminateBits(qrCode->GetNumDataBytes(), &headerAndDataBits, e); |
| if (e != BCExceptionNO) { |
| goto catchException; |
| } |
| catchException: |
| if (e != BCExceptionNO) { |
| int32_t e1 = BCExceptionNO; |
| InitQRCode(numInputBytes, ecLevel, mode, qrCode, e1); |
| if (e1 != BCExceptionNO) { |
| e = e1; |
| return; |
| } |
| versionNum++; |
| if (versionNum <= 40) { |
| headerAndDataBits.Clear(); |
| e = BCExceptionNO; |
| goto sign; |
| } else { |
| for (int32_t j = 0; j < splitResult.GetSize(); j++) |
| delete splitResult[j]; |
| return; |
| } |
| } |
| for (int32_t k = 0; k < splitResult.GetSize(); k++) |
| delete splitResult[k]; |
| |
| CBC_QRCoderBitVector finalBits; |
| finalBits.Init(); |
| InterleaveWithECBytes(&headerAndDataBits, qrCode->GetNumTotalBytes(), |
| qrCode->GetNumDataBytes(), qrCode->GetNumRSBlocks(), |
| &finalBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| std::unique_ptr<CBC_CommonByteMatrix> matrix(new CBC_CommonByteMatrix( |
| qrCode->GetMatrixWidth(), qrCode->GetMatrixWidth())); |
| matrix->Init(); |
| int32_t maskPattern = ChooseMaskPattern( |
| &finalBits, qrCode->GetECLevel(), qrCode->GetVersion(), matrix.get(), e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| qrCode->SetMaskPattern(maskPattern); |
| CBC_QRCoderMatrixUtil::BuildMatrix(&finalBits, qrCode->GetECLevel(), |
| qrCode->GetVersion(), |
| qrCode->GetMaskPattern(), matrix.get(), e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e) qrCode->SetMatrix(std::move(matrix)); |
| if (!qrCode->IsValid()) { |
| e = BCExceptionInvalidQRCode; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| |
| void CBC_QRCoderEncoder::Encode(const CFX_WideString& content, |
| CBC_QRCoderErrorCorrectionLevel* ecLevel, |
| CBC_QRCoder* qrCode, |
| int32_t& e) { |
| CFX_ByteString encoding = "utf8"; |
| CFX_ByteString utf8Data; |
| CBC_UtilCodingConvert::UnicodeToUTF8(content, utf8Data); |
| CBC_QRCoderMode* mode = ChooseMode(utf8Data, encoding); |
| CBC_QRCoderBitVector dataBits; |
| dataBits.Init(); |
| AppendBytes(utf8Data, mode, &dataBits, encoding, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| int32_t numInputBytes = dataBits.sizeInBytes(); |
| InitQRCode(numInputBytes, ecLevel, mode, qrCode, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| CBC_QRCoderBitVector headerAndDataBits; |
| headerAndDataBits.Init(); |
| AppendModeInfo(mode, &headerAndDataBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| int32_t numLetters = mode == CBC_QRCoderMode::sBYTE ? dataBits.sizeInBytes() |
| : content.GetLength(); |
| AppendLengthInfo(numLetters, qrCode->GetVersion(), mode, &headerAndDataBits, |
| e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| headerAndDataBits.AppendBitVector(&dataBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e) |
| TerminateBits(qrCode->GetNumDataBytes(), &headerAndDataBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| CBC_QRCoderBitVector finalBits; |
| finalBits.Init(); |
| InterleaveWithECBytes(&headerAndDataBits, qrCode->GetNumTotalBytes(), |
| qrCode->GetNumDataBytes(), qrCode->GetNumRSBlocks(), |
| &finalBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| std::unique_ptr<CBC_CommonByteMatrix> matrix(new CBC_CommonByteMatrix( |
| qrCode->GetMatrixWidth(), qrCode->GetMatrixWidth())); |
| matrix->Init(); |
| int32_t maskPattern = ChooseMaskPattern( |
| &finalBits, qrCode->GetECLevel(), qrCode->GetVersion(), matrix.get(), e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| qrCode->SetMaskPattern(maskPattern); |
| CBC_QRCoderMatrixUtil::BuildMatrix(&finalBits, qrCode->GetECLevel(), |
| qrCode->GetVersion(), |
| qrCode->GetMaskPattern(), matrix.get(), e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e) qrCode->SetMatrix(std::move(matrix)); |
| if (!qrCode->IsValid()) { |
| e = BCExceptionInvalidQRCode; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| |
| void CBC_QRCoderEncoder::TerminateBits(int32_t numDataBytes, |
| CBC_QRCoderBitVector* bits, |
| int32_t& e) { |
| int32_t capacity = numDataBytes << 3; |
| if (bits->Size() > capacity) { |
| e = BCExceptionDataTooMany; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| for (int32_t i = 0; i < 4 && bits->Size() < capacity; ++i) { |
| bits->AppendBit(0, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| int32_t numBitsInLastByte = bits->Size() % 8; |
| if (numBitsInLastByte > 0) { |
| int32_t numPaddingBits = 8 - numBitsInLastByte; |
| for (int32_t j = 0; j < numPaddingBits; ++j) { |
| bits->AppendBit(0, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e) |
| } |
| } |
| if (bits->Size() % 8 != 0) { |
| e = BCExceptionDigitLengthMustBe8; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| int32_t numPaddingBytes = numDataBytes - bits->sizeInBytes(); |
| for (int32_t k = 0; k < numPaddingBytes; ++k) { |
| if (k % 2 == 0) { |
| bits->AppendBits(0xec, 8, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } else { |
| bits->AppendBits(0x11, 8, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| if (bits->Size() != capacity) { |
| e = BCExceptionBitsNotEqualCacity; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| |
| int32_t CBC_QRCoderEncoder::ChooseMaskPattern( |
| CBC_QRCoderBitVector* bits, |
| CBC_QRCoderErrorCorrectionLevel* ecLevel, |
| int32_t version, |
| CBC_CommonByteMatrix* matrix, |
| int32_t& e) { |
| int32_t minPenalty = 65535; |
| int32_t bestMaskPattern = -1; |
| for (int32_t maskPattern = 0; maskPattern < CBC_QRCoder::kNumMaskPatterns; |
| maskPattern++) { |
| CBC_QRCoderMatrixUtil::BuildMatrix(bits, ecLevel, version, maskPattern, |
| matrix, e); |
| BC_EXCEPTION_CHECK_ReturnValue(e, 0); |
| int32_t penalty = CalculateMaskPenalty(matrix); |
| if (penalty < minPenalty) { |
| minPenalty = penalty; |
| bestMaskPattern = maskPattern; |
| } |
| } |
| return bestMaskPattern; |
| } |
| |
| int32_t CBC_QRCoderEncoder::CalculateMaskPenalty(CBC_CommonByteMatrix* matrix) { |
| int32_t penalty = 0; |
| penalty += CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule1(matrix); |
| penalty += CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule2(matrix); |
| penalty += CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule3(matrix); |
| penalty += CBC_QRCoderMaskUtil::ApplyMaskPenaltyRule4(matrix); |
| return penalty; |
| } |
| |
| CBC_QRCoderMode* CBC_QRCoderEncoder::ChooseMode(const CFX_ByteString& content, |
| CFX_ByteString encoding) { |
| if (encoding.Compare("SHIFT_JIS") == 0) { |
| return CBC_QRCoderMode::sKANJI; |
| } |
| FX_BOOL hasNumeric = FALSE; |
| FX_BOOL hasAlphaNumeric = FALSE; |
| for (int32_t i = 0; i < content.GetLength(); i++) { |
| if (isdigit((uint8_t)content[i])) { |
| hasNumeric = TRUE; |
| } else if (GetAlphaNumericCode((uint8_t)content[i]) != -1) { |
| hasAlphaNumeric = TRUE; |
| } else { |
| return CBC_QRCoderMode::sBYTE; |
| } |
| } |
| if (hasAlphaNumeric) { |
| return CBC_QRCoderMode::sALPHANUMERIC; |
| } else if (hasNumeric) { |
| return CBC_QRCoderMode::sNUMERIC; |
| } |
| return CBC_QRCoderMode::sBYTE; |
| } |
| |
| int32_t CBC_QRCoderEncoder::GetAlphaNumericCode(int32_t code) { |
| if (code < 96 && code >= 0) { |
| return m_alphaNumbericTable[code]; |
| } |
| return -1; |
| } |
| |
| void CBC_QRCoderEncoder::AppendBytes(const CFX_ByteString& content, |
| CBC_QRCoderMode* mode, |
| CBC_QRCoderBitVector* bits, |
| CFX_ByteString encoding, |
| int32_t& e) { |
| if (mode == CBC_QRCoderMode::sNUMERIC) { |
| AppendNumericBytes(content, bits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } else if (mode == CBC_QRCoderMode::sALPHANUMERIC) { |
| AppendAlphaNumericBytes(content, bits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } else if (mode == CBC_QRCoderMode::sBYTE) { |
| Append8BitBytes(content, bits, encoding, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } else if (mode == CBC_QRCoderMode::sKANJI) { |
| AppendKanjiBytes(content, bits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } else if (mode == CBC_QRCoderMode::sGBK) { |
| AppendGBKBytes(content, bits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } else { |
| e = BCExceptionUnsupportedMode; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| |
| void CBC_QRCoderEncoder::AppendNumericBytes(const CFX_ByteString& content, |
| CBC_QRCoderBitVector* bits, |
| int32_t& e) { |
| int32_t length = content.GetLength(); |
| int32_t i = 0; |
| while (i < length) { |
| int32_t num1 = content[i] - '0'; |
| if (i + 2 < length) { |
| int32_t num2 = content[i + 1] - '0'; |
| int32_t num3 = content[i + 2] - '0'; |
| bits->AppendBits(num1 * 100 + num2 * 10 + num3, 10, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e) i += 3; |
| } else if (i + 1 < length) { |
| int32_t num2 = content[i + 1] - '0'; |
| bits->AppendBits(num1 * 10 + num2, 7, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e) i += 2; |
| } else { |
| bits->AppendBits(num1, 4, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| i++; |
| } |
| } |
| } |
| |
| void CBC_QRCoderEncoder::AppendAlphaNumericBytes(const CFX_ByteString& content, |
| CBC_QRCoderBitVector* bits, |
| int32_t& e) { |
| int32_t length = content.GetLength(); |
| int32_t i = 0; |
| while (i < length) { |
| int32_t code1 = GetAlphaNumericCode(content[i]); |
| if (code1 == -1) { |
| e = BCExceptionInvalidateCharacter; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| if (i + 1 < length) { |
| int32_t code2 = GetAlphaNumericCode(content[i + 1]); |
| if (code2 == -1) { |
| e = BCExceptionInvalidateCharacter; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| bits->AppendBits(code1 * 45 + code2, 11, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| i += 2; |
| } else { |
| bits->AppendBits(code1, 6, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e) i++; |
| } |
| } |
| } |
| |
| void CBC_QRCoderEncoder::AppendGBKBytes(const CFX_ByteString& content, |
| CBC_QRCoderBitVector* bits, |
| int32_t& e) { |
| int32_t length = content.GetLength(); |
| uint32_t value = 0; |
| for (int32_t i = 0; i < length; i += 2) { |
| value = (uint32_t)((uint8_t)content[i] << 8 | (uint8_t)content[i + 1]); |
| if (value <= 0xAAFE && value >= 0xA1A1) { |
| value -= 0xA1A1; |
| } else if (value <= 0xFAFE && value >= 0xB0A1) { |
| value -= 0xA6A1; |
| } else { |
| e = BCExceptionInvalidateCharacter; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| value = (uint32_t)((value >> 8) * 0x60) + (uint32_t)(value & 0xff); |
| bits->AppendBits(value, 13, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| |
| void CBC_QRCoderEncoder::Append8BitBytes(const CFX_ByteString& content, |
| CBC_QRCoderBitVector* bits, |
| CFX_ByteString encoding, |
| int32_t& e) { |
| for (int32_t i = 0; i < content.GetLength(); i++) { |
| bits->AppendBits(content[i], 8, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| |
| void CBC_QRCoderEncoder::Append8BitBytes(CFX_ByteArray& bytes, |
| CBC_QRCoderBitVector* bits, |
| int32_t& e) { |
| for (int32_t i = 0; i < bytes.GetSize(); i++) { |
| bits->AppendBits(bytes[i], 8, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| |
| void CBC_QRCoderEncoder::AppendKanjiBytes(const CFX_ByteString& content, |
| CBC_QRCoderBitVector* bits, |
| int32_t& e) { |
| CFX_ByteArray bytes; |
| uint32_t value = 0; |
| for (int32_t i = 0; i < bytes.GetSize(); i += 2) { |
| value = (uint32_t)((uint8_t)(content[i] << 8) | (uint8_t)content[i + 1]); |
| if (value <= 0x9ffc && value >= 0x8140) { |
| value -= 0x8140; |
| } else if (value <= 0xebbf && value >= 0xe040) { |
| value -= 0xc140; |
| } else { |
| e = BCExceptionInvalidateCharacter; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| value = (uint32_t)((value >> 8) * 0xc0) + (uint32_t)(value & 0xff); |
| bits->AppendBits(value, 13, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| |
| void CBC_QRCoderEncoder::InitQRCode(int32_t numInputBytes, |
| CBC_QRCoderErrorCorrectionLevel* ecLevel, |
| CBC_QRCoderMode* mode, |
| CBC_QRCoder* qrCode, |
| int32_t& e) { |
| qrCode->SetECLevel(ecLevel); |
| qrCode->SetMode(mode); |
| for (int32_t versionNum = 1; versionNum <= 40; versionNum++) { |
| CBC_QRCoderVersion* version = |
| CBC_QRCoderVersion::GetVersionForNumber(versionNum, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| int32_t numBytes = version->GetTotalCodeWords(); |
| CBC_QRCoderECBlocks* ecBlocks = version->GetECBlocksForLevel(ecLevel); |
| int32_t numEcBytes = ecBlocks->GetTotalECCodeWords(); |
| int32_t numRSBlocks = ecBlocks->GetNumBlocks(); |
| int32_t numDataBytes = numBytes - numEcBytes; |
| if (numDataBytes >= numInputBytes + 3) { |
| qrCode->SetVersion(versionNum); |
| qrCode->SetNumTotalBytes(numBytes); |
| qrCode->SetNumDataBytes(numDataBytes); |
| qrCode->SetNumRSBlocks(numRSBlocks); |
| qrCode->SetNumECBytes(numEcBytes); |
| qrCode->SetMatrixWidth(version->GetDimensionForVersion()); |
| return; |
| } |
| } |
| e = BCExceptionCannotFindBlockInfo; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| |
| void CBC_QRCoderEncoder::AppendModeInfo(CBC_QRCoderMode* mode, |
| CBC_QRCoderBitVector* bits, |
| int32_t& e) { |
| bits->AppendBits(mode->GetBits(), 4, e); |
| if (mode == CBC_QRCoderMode::sGBK) { |
| bits->AppendBits(1, 4, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| |
| void CBC_QRCoderEncoder::AppendLengthInfo(int32_t numLetters, |
| int32_t version, |
| CBC_QRCoderMode* mode, |
| CBC_QRCoderBitVector* bits, |
| int32_t& e) { |
| CBC_QRCoderVersion* qcv = CBC_QRCoderVersion::GetVersionForNumber(version, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| int32_t numBits = mode->GetCharacterCountBits(qcv, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| if (numBits > ((1 << numBits) - 1)) { |
| return; |
| } |
| if (mode == CBC_QRCoderMode::sGBK) { |
| bits->AppendBits(numLetters / 2, numBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| bits->AppendBits(numLetters, numBits, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| |
| void CBC_QRCoderEncoder::InterleaveWithECBytes(CBC_QRCoderBitVector* bits, |
| int32_t numTotalBytes, |
| int32_t numDataBytes, |
| int32_t numRSBlocks, |
| CBC_QRCoderBitVector* result, |
| int32_t& e) { |
| if (bits->sizeInBytes() != numDataBytes) { |
| e = BCExceptionBitsBytesNotMatch; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| int32_t dataBytesOffset = 0; |
| int32_t maxNumDataBytes = 0; |
| int32_t maxNumEcBytes = 0; |
| CFX_ArrayTemplate<CBC_QRCoderBlockPair*> blocks; |
| int32_t i; |
| for (i = 0; i < numRSBlocks; i++) { |
| int32_t numDataBytesInBlock; |
| int32_t numEcBytesInBlosk; |
| GetNumDataBytesAndNumECBytesForBlockID(numTotalBytes, numDataBytes, |
| numRSBlocks, i, numDataBytesInBlock, |
| numEcBytesInBlosk); |
| std::unique_ptr<CBC_CommonByteArray> dataBytes(new CBC_CommonByteArray); |
| dataBytes->Set(bits->GetArray(), dataBytesOffset, numDataBytesInBlock); |
| std::unique_ptr<CBC_CommonByteArray> ecBytes( |
| GenerateECBytes(dataBytes.get(), numEcBytesInBlosk, e)); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| maxNumDataBytes = std::max(maxNumDataBytes, dataBytes->Size()); |
| maxNumEcBytes = std::max(maxNumEcBytes, ecBytes->Size()); |
| blocks.Add( |
| new CBC_QRCoderBlockPair(std::move(dataBytes), std::move(ecBytes))); |
| dataBytesOffset += numDataBytesInBlock; |
| } |
| if (numDataBytes != dataBytesOffset) { |
| e = BCExceptionBytesNotMatchOffset; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| for (int32_t x = 0; x < maxNumDataBytes; x++) { |
| for (int32_t j = 0; j < blocks.GetSize(); j++) { |
| const CBC_CommonByteArray* dataBytes = blocks[j]->GetDataBytes(); |
| if (x < dataBytes->Size()) { |
| result->AppendBits(dataBytes->At(x), 8, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| } |
| for (int32_t y = 0; y < maxNumEcBytes; y++) { |
| for (int32_t l = 0; l < blocks.GetSize(); l++) { |
| const CBC_CommonByteArray* ecBytes = blocks[l]->GetErrorCorrectionBytes(); |
| if (y < ecBytes->Size()) { |
| result->AppendBits(ecBytes->At(y), 8, e); |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| } |
| for (int32_t k = 0; k < blocks.GetSize(); k++) { |
| delete blocks[k]; |
| } |
| if (numTotalBytes != result->sizeInBytes()) { |
| e = BCExceptionSizeInBytesDiffer; |
| BC_EXCEPTION_CHECK_ReturnVoid(e); |
| } |
| } |
| |
| void CBC_QRCoderEncoder::GetNumDataBytesAndNumECBytesForBlockID( |
| int32_t numTotalBytes, |
| int32_t numDataBytes, |
| int32_t numRSBlocks, |
| int32_t blockID, |
| int32_t& numDataBytesInBlock, |
| int32_t& numECBytesInBlock) { |
| if (blockID >= numRSBlocks) { |
| return; |
| } |
| int32_t numRsBlocksInGroup2 = numTotalBytes % numRSBlocks; |
| int32_t numRsBlocksInGroup1 = numRSBlocks - numRsBlocksInGroup2; |
| int32_t numTotalBytesInGroup1 = numTotalBytes / numRSBlocks; |
| int32_t numTotalBytesInGroup2 = numTotalBytesInGroup1 + 1; |
| int32_t numDataBytesInGroup1 = numDataBytes / numRSBlocks; |
| int32_t numDataBytesInGroup2 = numDataBytesInGroup1 + 1; |
| int32_t numEcBytesInGroup1 = numTotalBytesInGroup1 - numDataBytesInGroup1; |
| int32_t numEcBytesInGroup2 = numTotalBytesInGroup2 - numDataBytesInGroup2; |
| if (blockID < numRsBlocksInGroup1) { |
| numDataBytesInBlock = numDataBytesInGroup1; |
| numECBytesInBlock = numEcBytesInGroup1; |
| } else { |
| numDataBytesInBlock = numDataBytesInGroup2; |
| numECBytesInBlock = numEcBytesInGroup2; |
| } |
| } |
| |
| CBC_CommonByteArray* CBC_QRCoderEncoder::GenerateECBytes( |
| CBC_CommonByteArray* dataBytes, |
| int32_t numEcBytesInBlock, |
| int32_t& e) { |
| int32_t numDataBytes = dataBytes->Size(); |
| CFX_Int32Array toEncode; |
| toEncode.SetSize(numDataBytes + numEcBytesInBlock); |
| for (int32_t i = 0; i < numDataBytes; i++) { |
| toEncode[i] = (dataBytes->At(i)); |
| } |
| CBC_ReedSolomonEncoder encode(CBC_ReedSolomonGF256::QRCodeField); |
| encode.Init(); |
| encode.Encode(&toEncode, numEcBytesInBlock, e); |
| BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); |
| CBC_CommonByteArray* ecBytes = new CBC_CommonByteArray(numEcBytesInBlock); |
| for (int32_t j = 0; j < numEcBytesInBlock; j++) { |
| ecBytes->Set(j, toEncode[numDataBytes + j]); |
| } |
| return ecBytes; |
| } |
