OLD | NEW |
| (Empty) |
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_ | |
OLD | NEW |