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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #ifndef XFA_FXBARCODE_ONED_BC_ONEDCODE128READER_H_ | 7 #ifndef XFA_FXBARCODE_ONED_BC_ONEDCODE128READER_H_ |
8 #define XFA_FXBARCODE_ONED_BC_ONEDCODE128READER_H_ | 8 #define XFA_FXBARCODE_ONED_BC_ONEDCODE128READER_H_ |
9 | 9 |
10 #include "xfa/fxbarcode/oned/BC_OneDReader.h" | 10 #include "xfa/fxbarcode/oned/BC_OneDReader.h" |
11 | 11 |
12 class CBC_CommonBitArray; | 12 class CBC_CommonBitArray; |
13 | 13 |
14 class CBC_OnedCode128Reader : public CBC_OneDReader { | 14 class CBC_OnedCode128Reader : public CBC_OneDReader { |
15 public: | 15 public: |
16 CBC_OnedCode128Reader(); | 16 CBC_OnedCode128Reader(); |
17 virtual ~CBC_OnedCode128Reader(); | 17 ~CBC_OnedCode128Reader() override; |
18 virtual CFX_ByteString DecodeRow(int32_t rowNumber, | 18 |
19 CBC_CommonBitArray* row, | 19 // CBC_OneDReader |
20 int32_t hints, | 20 CFX_ByteString DecodeRow(int32_t rowNumber, |
21 int32_t& e); | 21 CBC_CommonBitArray* row, |
| 22 int32_t hints, |
| 23 int32_t& e) override; |
22 | 24 |
23 static const int32_t CODE_PATTERNS[107][7]; | 25 static const int32_t CODE_PATTERNS[107][7]; |
24 | 26 |
25 private: | 27 private: |
26 static const int32_t MAX_AVG_VARIANCE = (int32_t)(256 * 0.25f); | 28 static const int32_t MAX_AVG_VARIANCE = (int32_t)(256 * 0.25f); |
27 static const int32_t MAX_INDIVIDUAL_VARIANCE = (int32_t)(256 * 0.7f); | 29 static const int32_t MAX_INDIVIDUAL_VARIANCE = (int32_t)(256 * 0.7f); |
28 | 30 |
29 static const int32_t CODE_SHIFT = 98; | 31 static const int32_t CODE_SHIFT = 98; |
30 static const int32_t CODE_CODE_C = 99; | 32 static const int32_t CODE_CODE_C = 99; |
31 static const int32_t CODE_CODE_B = 100; | 33 static const int32_t CODE_CODE_B = 100; |
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42 static const int32_t CODE_STOP = 106; | 44 static const int32_t CODE_STOP = 106; |
43 | 45 |
44 CFX_Int32Array* FindStartPattern(CBC_CommonBitArray* row, int32_t& e); | 46 CFX_Int32Array* FindStartPattern(CBC_CommonBitArray* row, int32_t& e); |
45 int32_t DecodeCode(CBC_CommonBitArray* row, | 47 int32_t DecodeCode(CBC_CommonBitArray* row, |
46 CFX_Int32Array* counters, | 48 CFX_Int32Array* counters, |
47 int32_t rowOffset, | 49 int32_t rowOffset, |
48 int32_t& e); | 50 int32_t& e); |
49 }; | 51 }; |
50 | 52 |
51 #endif // XFA_FXBARCODE_ONED_BC_ONEDCODE128READER_H_ | 53 #endif // XFA_FXBARCODE_ONED_BC_ONEDCODE128READER_H_ |
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