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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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