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| 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 XFA_SRC_FXBARCODE_ONED_BC_ONEDCODE128READER_H_ | |
| 8 #define XFA_SRC_FXBARCODE_ONED_BC_ONEDCODE128READER_H_ | |
| 9 | |
| 10 class CBC_OneDReader; | |
| 11 class CBC_CommonBitArray; | |
| 12 class CBC_OnedCode128Reader : public CBC_OneDReader { | |
| 13 public: | |
| 14 CBC_OnedCode128Reader(); | |
| 15 virtual ~CBC_OnedCode128Reader(); | |
| 16 virtual CFX_ByteString DecodeRow(int32_t rowNumber, | |
| 17 CBC_CommonBitArray* row, | |
| 18 int32_t hints, | |
| 19 int32_t& e); | |
| 20 | |
| 21 static const int32_t CODE_PATTERNS[107][7]; | |
| 22 | |
| 23 private: | |
| 24 static const int32_t MAX_AVG_VARIANCE = (int32_t)(256 * 0.25f); | |
| 25 static const int32_t MAX_INDIVIDUAL_VARIANCE = (int32_t)(256 * 0.7f); | |
| 26 | |
| 27 static const int32_t CODE_SHIFT = 98; | |
| 28 static const int32_t CODE_CODE_C = 99; | |
| 29 static const int32_t CODE_CODE_B = 100; | |
| 30 static const int32_t CODE_CODE_A = 101; | |
| 31 static const int32_t CODE_FNC_1 = 102; | |
| 32 static const int32_t CODE_FNC_2 = 97; | |
| 33 static const int32_t CODE_FNC_3 = 96; | |
| 34 static const int32_t CODE_FNC_4_A = 101; | |
| 35 static const int32_t CODE_FNC_4_B = 100; | |
| 36 | |
| 37 static const int32_t CODE_START_A = 103; | |
| 38 static const int32_t CODE_START_B = 104; | |
| 39 static const int32_t CODE_START_C = 105; | |
| 40 static const int32_t CODE_STOP = 106; | |
| 41 | |
| 42 CFX_Int32Array* FindStartPattern(CBC_CommonBitArray* row, int32_t& e); | |
| 43 int32_t DecodeCode(CBC_CommonBitArray* row, | |
| 44 CFX_Int32Array* counters, | |
| 45 int32_t rowOffset, | |
| 46 int32_t& e); | |
| 47 }; | |
| 48 | |
| 49 #endif // XFA_SRC_FXBARCODE_ONED_BC_ONEDCODE128READER_H_ | |
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