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 FXBARCODE_PDF417_BC_PDF417HIGHLEVELENCODER_H_ 8 #define FXBARCODE_PDF417_BC_PDF417HIGHLEVELENCODER_H_ 9 10 #include <vector> 11 12 #include "core/fxcrt/fx_string.h" 13 #include "fxbarcode/pdf417/BC_PDF417Compaction.h" 14 15 class CBC_PDF417HighLevelEncoder { 16 public: 17 static WideString encodeHighLevel(WideString msg, 18 Compaction compaction, 19 int32_t& e); 20 static void Inverse(); 21 static void Initialize(); 22 static void Finalize(); 23 24 private: 25 static int32_t TEXT_COMPACTION; 26 static int32_t BYTE_COMPACTION; 27 static int32_t NUMERIC_COMPACTION; 28 static int32_t SUBMODE_PUNCTUATION; 29 static int32_t LATCH_TO_TEXT; 30 static int32_t LATCH_TO_BYTE_PADDED; 31 static int32_t LATCH_TO_NUMERIC; 32 static int32_t SHIFT_TO_BYTE; 33 static int32_t LATCH_TO_BYTE; 34 static uint8_t TEXT_MIXED_RAW[]; 35 static uint8_t TEXT_PUNCTUATION_RAW[]; 36 static int32_t MIXED[128]; 37 static int32_t PUNCTUATION[128]; 38 static int32_t encodeText(WideString msg, 39 int32_t startpos, 40 int32_t count, 41 WideString& sb, 42 int32_t initialSubmode); 43 static void encodeBinary(std::vector<uint8_t>* bytes, 44 int32_t startpos, 45 int32_t count, 46 int32_t startmode, 47 WideString& sb); 48 static void encodeNumeric(WideString msg, 49 int32_t startpos, 50 int32_t count, 51 WideString& sb); 52 static bool isDigit(wchar_t ch); 53 static bool isAlphaUpper(wchar_t ch); 54 static bool isAlphaLower(wchar_t ch); 55 static bool isMixed(wchar_t ch); 56 static bool isPunctuation(wchar_t ch); 57 static bool isText(wchar_t ch); 58 static int32_t determineConsecutiveDigitCount(WideString msg, 59 int32_t startpos); 60 static int32_t determineConsecutiveTextCount(WideString msg, 61 int32_t startpos); 62 static int32_t determineConsecutiveBinaryCount(WideString msg, 63 std::vector<uint8_t>* bytes, 64 int32_t startpos, 65 int32_t& e); 66 67 friend class PDF417HighLevelEncoder_EncodeNumeric_Test; 68 friend class PDF417HighLevelEncoder_EncodeBinary_Test; 69 friend class PDF417HighLevelEncoder_EncodeText_Test; 70 friend class PDF417HighLevelEncoder_ConsecutiveDigitCount_Test; 71 friend class PDF417HighLevelEncoder_ConsecutiveTextCount_Test; 72 friend class PDF417HighLevelEncoder_ConsecutiveBinaryCount_Test; 73 }; 74 75 #endif // FXBARCODE_PDF417_BC_PDF417HIGHLEVELENCODER_H_ 76
