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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_PDF417_BC_PDF417SCANNINGDECODER_H_ | 7 #ifndef XFA_FXBARCODE_PDF417_BC_PDF417SCANNINGDECODER_H_ |
8 #define XFA_FXBARCODE_PDF417_BC_PDF417SCANNINGDECODER_H_ | 8 #define XFA_FXBARCODE_PDF417_BC_PDF417SCANNINGDECODER_H_ |
9 | 9 |
| 10 #include "xfa/fxbarcode/pdf417/BC_PDF417BarcodeValue.h" |
| 11 |
10 class CBC_CommonDecoderResult; | 12 class CBC_CommonDecoderResult; |
11 class CBC_CommonBitMatrix; | 13 class CBC_CommonBitMatrix; |
12 class CBC_Codeword; | 14 class CBC_Codeword; |
13 class CBC_BoundingBox; | 15 class CBC_BoundingBox; |
14 class CBC_ResultPoint; | 16 class CBC_ResultPoint; |
15 class CBC_BarcodeMetadata; | 17 class CBC_BarcodeMetadata; |
16 class CBC_DetectionResult; | 18 class CBC_DetectionResult; |
17 class CBC_DetectionResultRowIndicatorColumn; | 19 class CBC_DetectionResultRowIndicatorColumn; |
18 | 20 |
19 class CBC_PDF417ScanningDecoder { | 21 class CBC_PDF417ScanningDecoder { |
20 public: | 22 public: |
21 CBC_PDF417ScanningDecoder(); | 23 CBC_PDF417ScanningDecoder(); |
22 virtual ~CBC_PDF417ScanningDecoder(); | 24 virtual ~CBC_PDF417ScanningDecoder(); |
23 static void Initialize(); | 25 static void Initialize(); |
24 static void Finalize(); | 26 static void Finalize(); |
25 static CBC_CommonDecoderResult* decode(CBC_CommonBitMatrix* image, | 27 static CBC_CommonDecoderResult* decode(CBC_CommonBitMatrix* image, |
26 CBC_ResultPoint* imageTopLeft, | 28 CBC_ResultPoint* imageTopLeft, |
27 CBC_ResultPoint* imageBottomLeft, | 29 CBC_ResultPoint* imageBottomLeft, |
28 CBC_ResultPoint* imageTopRight, | 30 CBC_ResultPoint* imageTopRight, |
29 CBC_ResultPoint* imageBottomRight, | 31 CBC_ResultPoint* imageBottomRight, |
30 int32_t minCodewordWidth, | 32 int32_t minCodewordWidth, |
31 int32_t maxCodewordWidth, | 33 int32_t maxCodewordWidth, |
32 int32_t& e); | 34 int32_t& e); |
33 static CFX_ByteString toString(CFX_PtrArray* barcodeMatrix); | 35 static CFX_ByteString toString(CBC_BarcodeValueArrayArray* barcodeMatrix); |
34 | 36 |
35 private: | 37 private: |
36 static int32_t CODEWORD_SKEW_SIZE; | 38 static int32_t CODEWORD_SKEW_SIZE; |
37 static int32_t MAX_ERRORS; | 39 static int32_t MAX_ERRORS; |
38 static int32_t MAX_EC_CODEWORDS; | 40 static int32_t MAX_EC_CODEWORDS; |
39 static CBC_PDF417ECErrorCorrection* errorCorrection; | 41 static CBC_PDF417ECErrorCorrection* errorCorrection; |
40 static CBC_DetectionResult* merge( | 42 static CBC_DetectionResult* merge( |
41 CBC_DetectionResultRowIndicatorColumn* leftRowIndicatorColumn, | 43 CBC_DetectionResultRowIndicatorColumn* leftRowIndicatorColumn, |
42 CBC_DetectionResultRowIndicatorColumn* rightRowIndicatorColumn, | 44 CBC_DetectionResultRowIndicatorColumn* rightRowIndicatorColumn, |
43 int32_t& e); | 45 int32_t& e); |
44 static CBC_BoundingBox* adjustBoundingBox( | 46 static CBC_BoundingBox* adjustBoundingBox( |
45 CBC_DetectionResultRowIndicatorColumn* rowIndicatorColumn, | 47 CBC_DetectionResultRowIndicatorColumn* rowIndicatorColumn, |
46 int32_t& e); | 48 int32_t& e); |
47 static int32_t getMax(CFX_Int32Array& values); | 49 static int32_t getMax(CFX_Int32Array& values); |
48 static CBC_BarcodeMetadata* getBarcodeMetadata( | 50 static CBC_BarcodeMetadata* getBarcodeMetadata( |
49 CBC_DetectionResultRowIndicatorColumn* leftRowIndicatorColumn, | 51 CBC_DetectionResultRowIndicatorColumn* leftRowIndicatorColumn, |
50 CBC_DetectionResultRowIndicatorColumn* rightRowIndicatorColumn); | 52 CBC_DetectionResultRowIndicatorColumn* rightRowIndicatorColumn); |
51 static CBC_DetectionResultRowIndicatorColumn* getRowIndicatorColumn( | 53 static CBC_DetectionResultRowIndicatorColumn* getRowIndicatorColumn( |
52 CBC_CommonBitMatrix* image, | 54 CBC_CommonBitMatrix* image, |
53 CBC_BoundingBox* boundingBox, | 55 CBC_BoundingBox* boundingBox, |
54 CBC_ResultPoint startPoint, | 56 CBC_ResultPoint startPoint, |
55 FX_BOOL leftToRight, | 57 FX_BOOL leftToRight, |
56 int32_t minCodewordWidth, | 58 int32_t minCodewordWidth, |
57 int32_t maxCodewordWidth); | 59 int32_t maxCodewordWidth); |
58 static void adjustCodewordCount(CBC_DetectionResult* detectionResult, | 60 static void adjustCodewordCount(CBC_DetectionResult* detectionResult, |
59 CFX_PtrArray* barcodeMatrix, | 61 CBC_BarcodeValueArrayArray* barcodeMatrix, |
60 int32_t& e); | 62 int32_t& e); |
61 static CBC_CommonDecoderResult* createDecoderResult( | 63 static CBC_CommonDecoderResult* createDecoderResult( |
62 CBC_DetectionResult* detectionResult, | 64 CBC_DetectionResult* detectionResult, |
63 int32_t& e); | 65 int32_t& e); |
64 static CBC_CommonDecoderResult* createDecoderResultFromAmbiguousValues( | 66 static CBC_CommonDecoderResult* createDecoderResultFromAmbiguousValues( |
65 int32_t ecLevel, | 67 int32_t ecLevel, |
66 CFX_Int32Array& codewords, | 68 CFX_Int32Array& codewords, |
67 CFX_Int32Array& erasureArray, | 69 CFX_Int32Array& erasureArray, |
68 CFX_Int32Array& ambiguousIndexes, | 70 CFX_Int32Array& ambiguousIndexes, |
69 CFX_PtrArray& ambiguousIndexValues, | 71 CFX_ArrayTemplate<CFX_Int32Array*>& ambiguousIndexValues, |
70 int32_t& e); | 72 int32_t& e); |
71 static CFX_PtrArray* createBarcodeMatrix( | 73 static CBC_BarcodeValueArrayArray* createBarcodeMatrix( |
72 CBC_DetectionResult* detectionResult); | 74 CBC_DetectionResult* detectionResult); |
73 static FX_BOOL isValidBarcodeColumn(CBC_DetectionResult* detectionResult, | 75 static FX_BOOL isValidBarcodeColumn(CBC_DetectionResult* detectionResult, |
74 int32_t barcodeColumn); | 76 int32_t barcodeColumn); |
75 static int32_t getStartColumn(CBC_DetectionResult* detectionResult, | 77 static int32_t getStartColumn(CBC_DetectionResult* detectionResult, |
76 int32_t barcodeColumn, | 78 int32_t barcodeColumn, |
77 int32_t imageRow, | 79 int32_t imageRow, |
78 FX_BOOL leftToRight); | 80 FX_BOOL leftToRight); |
79 static CBC_Codeword* detectCodeword(CBC_CommonBitMatrix* image, | 81 static CBC_Codeword* detectCodeword(CBC_CommonBitMatrix* image, |
80 int32_t minColumn, | 82 int32_t minColumn, |
81 int32_t maxColumn, | 83 int32_t maxColumn, |
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110 int32_t& e); | 112 int32_t& e); |
111 static void verifyCodewordCount(CFX_Int32Array& codewords, | 113 static void verifyCodewordCount(CFX_Int32Array& codewords, |
112 int32_t numECCodewords, | 114 int32_t numECCodewords, |
113 int32_t& e); | 115 int32_t& e); |
114 static CFX_Int32Array* getBitCountForCodeword(int32_t codeword); | 116 static CFX_Int32Array* getBitCountForCodeword(int32_t codeword); |
115 static int32_t getCodewordBucketNumber(int32_t codeword); | 117 static int32_t getCodewordBucketNumber(int32_t codeword); |
116 static int32_t getCodewordBucketNumber(CFX_Int32Array& moduleBitCount); | 118 static int32_t getCodewordBucketNumber(CFX_Int32Array& moduleBitCount); |
117 }; | 119 }; |
118 | 120 |
119 #endif // XFA_FXBARCODE_PDF417_BC_PDF417SCANNINGDECODER_H_ | 121 #endif // XFA_FXBARCODE_PDF417_BC_PDF417SCANNINGDECODER_H_ |
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