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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_PDF417DETECTOR_H_ | |
| 8 #define XFA_SRC_FXBARCODE_PDF417_BC_PDF417DETECTOR_H_ | |
| 9 | |
| 10 class CBC_PDF417DetectorResult; | |
| 11 class CBC_BinaryBitmap; | |
| 12 class CBC_CommonBitMatrix; | |
| 13 class CBC_CommonBitArray; | |
| 14 | |
| 15 class CBC_Detector { | |
| 16 public: | |
| 17 CBC_Detector(); | |
| 18 virtual ~CBC_Detector(); | |
| 19 static CBC_PDF417DetectorResult* detect(CBC_BinaryBitmap* image, | |
| 20 int32_t hints, | |
| 21 FX_BOOL multiple, | |
| 22 int32_t& e); | |
| 23 static void rotate180(CBC_CommonBitMatrix* bitMatrix); | |
| 24 static CBC_CommonBitArray* mirror(CBC_CommonBitArray* input, | |
| 25 CBC_CommonBitArray* result); | |
| 26 | |
| 27 private: | |
| 28 static int32_t INDEXES_START_PATTERN[]; | |
| 29 static int32_t INDEXES_STOP_PATTERN[]; | |
| 30 static int32_t INTEGER_MATH_SHIFT; | |
| 31 static int32_t PATTERN_MATCH_RESULT_SCALE_FACTOR; | |
| 32 static int32_t MAX_AVG_VARIANCE; | |
| 33 static int32_t MAX_INDIVIDUAL_VARIANCE; | |
| 34 static int32_t START_PATTERN[]; | |
| 35 static int32_t STOP_PATTERN[]; | |
| 36 static int32_t MAX_PIXEL_DRIFT; | |
| 37 static int32_t MAX_PATTERN_DRIFT; | |
| 38 static int32_t SKIPPED_ROW_COUNT_MAX; | |
| 39 static int32_t ROW_STEP; | |
| 40 static int32_t BARCODE_MIN_HEIGHT; | |
| 41 static CFX_PtrArray* detect(FX_BOOL multiple, CBC_CommonBitMatrix* bitMatrix); | |
| 42 static CFX_PtrArray* findVertices(CBC_CommonBitMatrix* matrix, | |
| 43 int32_t startRow, | |
| 44 int32_t startColumn); | |
| 45 static void copyToResult(CFX_PtrArray* result, | |
| 46 CFX_PtrArray* tmpResult, | |
| 47 int32_t* destinationIndexes, | |
| 48 int32_t destinationLength); | |
| 49 static CFX_PtrArray* findRowsWithPattern(CBC_CommonBitMatrix* matrix, | |
| 50 int32_t height, | |
| 51 int32_t width, | |
| 52 int32_t startRow, | |
| 53 int32_t startColumn, | |
| 54 int32_t* pattern, | |
| 55 int32_t patternLength); | |
| 56 static CFX_Int32Array* findGuardPattern(CBC_CommonBitMatrix* matrix, | |
| 57 int32_t column, | |
| 58 int32_t row, | |
| 59 int32_t width, | |
| 60 FX_BOOL whiteFirst, | |
| 61 int32_t* pattern, | |
| 62 int32_t patternLength, | |
| 63 CFX_Int32Array& counters); | |
| 64 static int32_t patternMatchVariance(CFX_Int32Array& counters, | |
| 65 int32_t* pattern, | |
| 66 int32_t maxIndividualVariance); | |
| 67 }; | |
| 68 | |
| 69 #endif // XFA_SRC_FXBARCODE_PDF417_BC_PDF417DETECTOR_H_ | |
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Chromium Code Reviews
Issue 1803723002:
Move xfa/src up to xfa/. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master