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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_PDF417_BC_PDF417CODEWORDDECODER_H_ | |
| 8 #define XFA_SRC_FXBARCODE_PDF417_BC_PDF417CODEWORDDECODER_H_ | |
| 9 | |
| 10 #include "core/include/fxcrt/fx_basic.h" | |
| 11 | |
| 12 class CBC_PDF417CodewordDecoder { | |
| 13 public: | |
| 14 CBC_PDF417CodewordDecoder(); | |
| 15 virtual ~CBC_PDF417CodewordDecoder(); | |
| 16 static void Initialize(); | |
| 17 static void Finalize(); | |
| 18 static int32_t getDecodedValue(CFX_Int32Array& moduleBitCount); | |
| 19 | |
| 20 private: | |
| 21 static FX_FLOAT RATIOS_TABLE[][8]; | |
| 22 static CFX_Int32Array* sampleBitCounts(CFX_Int32Array& moduleBitCount); | |
| 23 static int32_t getDecodedCodewordValue(CFX_Int32Array& moduleBitCount); | |
| 24 static int32_t getBitValue(CFX_Int32Array& moduleBitCount); | |
| 25 static int32_t getClosestDecodedValue(CFX_Int32Array& moduleBitCount); | |
| 26 }; | |
| 27 | |
| 28 #endif // XFA_SRC_FXBARCODE_PDF417_BC_PDF417CODEWORDDECODER_H_ | |
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