1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef _BC_QRCODERENCODER_H_ 8 #define _BC_QRCODERENCODER_H_ 9 class Make_Pair; 10 class CBC_QRCoder; 11 class CBC_QRCoderErrorCorrectionLevel; 12 class CBC_QRCoderMode; 13 class CBC_QRCoderBitVector; 14 class CBC_CommonByteArray; 15 class CBC_CommonByteMatrix; 16 class CBC_QRCoderEncoder; 17 class CBC_QRCoderEncoder { 18 private: 19 const static int32_t m_alphaNumbericTable[96]; 20 21 public: 22 CBC_QRCoderEncoder(); 23 virtual ~CBC_QRCoderEncoder(); 24 25 static void Encode(const CFX_ByteString& content, 26 CBC_QRCoderErrorCorrectionLevel* ecLevel, 27 CBC_QRCoder* qrCode, 28 int32_t& e, 29 int32_t versionSpecify = 0); 30 static void Encode(const CFX_WideString& content, 31 CBC_QRCoderErrorCorrectionLevel* ecLevel, 32 CBC_QRCoder* qrCode, 33 int32_t& e); 34 static void EncodeWithSpecifyVersion(const CFX_ByteString& content, 35 CBC_QRCoderErrorCorrectionLevel* ecLevel, 36 CBC_QRCoder* qrCode, 37 int32_t versionSpecify, 38 int32_t& e); 39 static void EncodeWithAutoVersion(const CFX_ByteString& content, 40 CBC_QRCoderErrorCorrectionLevel* ecLevel, 41 CBC_QRCoder* qrCode, 42 int32_t& e); 43 static CBC_QRCoderMode* ChooseMode(const CFX_ByteString& content, 44 CFX_ByteString encoding); 45 static int32_t GetAlphaNumericCode(int32_t code); 46 static void AppendECI(CBC_QRCoderBitVector* bits); 47 static void AppendBytes(const CFX_ByteString& content, 48 CBC_QRCoderMode* mode, 49 CBC_QRCoderBitVector* bits, 50 CFX_ByteString encoding, 51 int32_t& e); 52 static void AppendNumericBytes(const CFX_ByteString& content, 53 CBC_QRCoderBitVector* bits, 54 int32_t& e); 55 static void AppendAlphaNumericBytes(const CFX_ByteString& content, 56 CBC_QRCoderBitVector* bits, 57 int32_t& e); 58 static void Append8BitBytes(const CFX_ByteString& content, 59 CBC_QRCoderBitVector* bits, 60 CFX_ByteString encoding, 61 int32_t& e); 62 static void Append8BitBytes(CFX_ByteArray& bytes, 63 CBC_QRCoderBitVector* bits, 64 int32_t& e); 65 static void AppendKanjiBytes(const CFX_ByteString& content, 66 CBC_QRCoderBitVector* bits, 67 int32_t& e); 68 static void AppendGBKBytes(const CFX_ByteString& content, 69 CBC_QRCoderBitVector* bits, 70 int32_t& e); 71 static void InitQRCode(int32_t numInputBytes, 72 int32_t versionNumber, 73 CBC_QRCoderErrorCorrectionLevel* ecLevel, 74 CBC_QRCoderMode* mode, 75 CBC_QRCoder* qrCode, 76 int32_t& e); 77 static void InitQRCode(int32_t numInputBytes, 78 CBC_QRCoderErrorCorrectionLevel* ecLevel, 79 CBC_QRCoderMode* mode, 80 CBC_QRCoder* qrCode, 81 int32_t& e); 82 static void AppendModeInfo(CBC_QRCoderMode* mode, 83 CBC_QRCoderBitVector* bits, 84 int32_t& e); 85 static void AppendLengthInfo(int32_t numLetters, 86 int32_t version, 87 CBC_QRCoderMode* mode, 88 CBC_QRCoderBitVector* bits, 89 int32_t& e); 90 91 static void InterleaveWithECBytes(CBC_QRCoderBitVector* bits, 92 int32_t numTotalBytes, 93 int32_t numDataBytes, 94 int32_t numRSBlocks, 95 CBC_QRCoderBitVector* result, 96 int32_t& e); 97 static void GetNumDataBytesAndNumECBytesForBlockID( 98 int32_t numTotalBytes, 99 int32_t numDataBytes, 100 int32_t numRSBlocks, 101 int32_t blockID, 102 int32_t& numDataBytesInBlock, 103 int32_t& numECBytesInBlocks); 104 static CBC_CommonByteArray* GenerateECBytes(CBC_CommonByteArray* dataBytes, 105 int32_t numEcBytesInBlock, 106 int32_t& e); 107 static int32_t ChooseMaskPattern(CBC_QRCoderBitVector* bits, 108 CBC_QRCoderErrorCorrectionLevel* ecLevel, 109 int32_t version, 110 CBC_CommonByteMatrix* matrix, 111 int32_t& e); 112 static int32_t CalculateMaskPenalty(CBC_CommonByteMatrix* matrix); 113 static void TerminateBits(int32_t numDataBytes, 114 CBC_QRCoderBitVector* bits, 115 int32_t& e); 116 static int32_t GetSpanByVersion(CBC_QRCoderMode* modeFirst, 117 CBC_QRCoderMode* modeSecond, 118 int32_t versionNum, 119 int32_t& e); 120 static void MergeString(CFX_PtrArray& result, int32_t versionNum, int32_t& e); 121 static void SplitString(const CFX_ByteString& content, CFX_PtrArray& result); 122 static void AppendDataModeLenghInfo(CFX_PtrArray& splitResult, 123 CBC_QRCoderBitVector& headerAndDataBits, 124 CBC_QRCoderMode* tempMode, 125 CBC_QRCoder* qrCode, 126 CFX_ByteString& encoding, 127 int32_t& e); 128 }; 129 #endif 130
