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Side by Side Diff: xfa/src/fxbarcode/oned/BC_OneDimReader.h

Issue 1803723002: Move xfa/src up to xfa/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase to master Created 4 years, 9 months ago
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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_ONEDIMREADER_H_
8 #define XFA_SRC_FXBARCODE_ONED_BC_ONEDIMREADER_H_
9
10 #include "core/include/fxcrt/fx_basic.h"
11 #include "xfa/src/fxbarcode/oned/BC_OneDReader.h"
12
13 class CBC_CommonBitArray;
14
15 class CBC_OneDimReader : public CBC_OneDReader {
16 private:
17 static const int32_t MAX_AVG_VARIANCE = (int32_t)(256 * 0.48f);
18 static const int32_t MAX_INDIVIDUAL_VARIANCE = (int32_t)(256 * 0.7f);
19
20 FX_BOOL CheckStandardUPCEANChecksum(CFX_ByteString& s, int32_t& e);
21
22 public:
23 static const int32_t START_END_PATTERN[3];
24 static const int32_t MIDDLE_PATTERN[5];
25 static const int32_t L_PATTERNS[10][4];
26 static const int32_t L_AND_G_PATTERNS[20][4];
27
28 CBC_OneDimReader();
29 virtual ~CBC_OneDimReader();
30
31 CFX_ByteString DecodeRow(int32_t rowNumber,
32 CBC_CommonBitArray* row,
33 int32_t hints,
34 int32_t& e);
35 CFX_ByteString DecodeRow(int32_t rowNumber,
36 CBC_CommonBitArray* row,
37 CFX_Int32Array* startGuardRange,
38 int32_t hints,
39 int32_t& e);
40
41 protected:
42 CFX_Int32Array* FindStartGuardPattern(CBC_CommonBitArray* row, int32_t& e);
43 virtual FX_BOOL CheckChecksum(CFX_ByteString& s, int32_t& e);
44 CFX_Int32Array* FindGuardPattern(CBC_CommonBitArray* row,
45 int32_t rowOffset,
46 FX_BOOL whiteFirst,
47 CFX_Int32Array* pattern,
48 int32_t& e);
49 int32_t DecodeDigit(CBC_CommonBitArray* row,
50 CFX_Int32Array* counters,
51 int32_t rowOffset,
52 const int32_t* patterns,
53 int32_t patternLength,
54 int32_t& e);
55 virtual int32_t DecodeMiddle(CBC_CommonBitArray* row,
56 CFX_Int32Array* startRange,
57 CFX_ByteString& resultResult,
58 int32_t& e) {
59 return 0;
60 }
61 virtual CFX_Int32Array* DecodeEnd(CBC_CommonBitArray* row,
62 int32_t endStart,
63 int32_t& e);
64 };
65
66 #endif // XFA_SRC_FXBARCODE_ONED_BC_ONEDIMREADER_H_
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