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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_ONEDREADER_H_ | |
| 8 #define XFA_SRC_FXBARCODE_ONED_BC_ONEDREADER_H_ | |
| 9 | |
| 10 #include "xfa/src/fxbarcode/BC_Reader.h" | |
| 11 | |
| 12 class CBC_BinaryBitmap; | |
| 13 class CBC_CommonBitArray; | |
| 14 | |
| 15 class CBC_OneDReader : public CBC_Reader { | |
| 16 public: | |
| 17 CBC_OneDReader(); | |
| 18 virtual ~CBC_OneDReader(); | |
| 19 virtual CFX_ByteString Decode(CBC_BinaryBitmap* image, int32_t& e); | |
| 20 virtual CFX_ByteString Decode(CBC_BinaryBitmap* image, | |
| 21 int32_t hints, | |
| 22 int32_t& e); | |
| 23 virtual CFX_ByteString DecodeRow(int32_t rowNumber, | |
| 24 CBC_CommonBitArray* row, | |
| 25 int32_t hints, | |
| 26 int32_t& e) { | |
| 27 return ""; | |
| 28 } | |
| 29 | |
| 30 private: | |
| 31 CFX_ByteString DeDecode(CBC_BinaryBitmap* image, int32_t hints, int32_t& e); | |
| 32 | |
| 33 protected: | |
| 34 static const int32_t INTEGER_MATH_SHIFT = 8; | |
| 35 static const int32_t PATTERN_MATCH_RESULT_SCALE_FACTOR = 1 << 8; | |
| 36 | |
| 37 void RecordPattern(CBC_CommonBitArray* row, | |
| 38 int32_t start, | |
| 39 CFX_Int32Array* counters, | |
| 40 int32_t& e); | |
| 41 void RecordPatternInReverse(CBC_CommonBitArray* row, | |
| 42 int32_t start, | |
| 43 CFX_Int32Array* counters, | |
| 44 int32_t& e); | |
| 45 int32_t PatternMatchVariance(CFX_Int32Array* counters, | |
| 46 const int32_t* pattern, | |
| 47 int32_t maxIndividualVariance); | |
| 48 }; | |
| 49 | |
| 50 #endif // XFA_SRC_FXBARCODE_ONED_BC_ONEDREADER_H_ | |
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