| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef XFA_SRC_FXBARCODE_PDF417_BC_PDF417DETECTOR_H_ |
| #define XFA_SRC_FXBARCODE_PDF417_BC_PDF417DETECTOR_H_ |
| |
| class CBC_PDF417DetectorResult; |
| class CBC_BinaryBitmap; |
| class CBC_CommonBitMatrix; |
| class CBC_CommonBitArray; |
| |
| class CBC_Detector { |
| public: |
| CBC_Detector(); |
| virtual ~CBC_Detector(); |
| static CBC_PDF417DetectorResult* detect(CBC_BinaryBitmap* image, |
| int32_t hints, |
| FX_BOOL multiple, |
| int32_t& e); |
| static void rotate180(CBC_CommonBitMatrix* bitMatrix); |
| static CBC_CommonBitArray* mirror(CBC_CommonBitArray* input, |
| CBC_CommonBitArray* result); |
| |
| private: |
| static int32_t INDEXES_START_PATTERN[]; |
| static int32_t INDEXES_STOP_PATTERN[]; |
| static int32_t INTEGER_MATH_SHIFT; |
| static int32_t PATTERN_MATCH_RESULT_SCALE_FACTOR; |
| static int32_t MAX_AVG_VARIANCE; |
| static int32_t MAX_INDIVIDUAL_VARIANCE; |
| static int32_t START_PATTERN[]; |
| static int32_t STOP_PATTERN[]; |
| static int32_t MAX_PIXEL_DRIFT; |
| static int32_t MAX_PATTERN_DRIFT; |
| static int32_t SKIPPED_ROW_COUNT_MAX; |
| static int32_t ROW_STEP; |
| static int32_t BARCODE_MIN_HEIGHT; |
| static CFX_PtrArray* detect(FX_BOOL multiple, CBC_CommonBitMatrix* bitMatrix); |
| static CFX_PtrArray* findVertices(CBC_CommonBitMatrix* matrix, |
| int32_t startRow, |
| int32_t startColumn); |
| static void copyToResult(CFX_PtrArray* result, |
| CFX_PtrArray* tmpResult, |
| int32_t* destinationIndexes, |
| int32_t destinationLength); |
| static CFX_PtrArray* findRowsWithPattern(CBC_CommonBitMatrix* matrix, |
| int32_t height, |
| int32_t width, |
| int32_t startRow, |
| int32_t startColumn, |
| int32_t* pattern, |
| int32_t patternLength); |
| static CFX_Int32Array* findGuardPattern(CBC_CommonBitMatrix* matrix, |
| int32_t column, |
| int32_t row, |
| int32_t width, |
| FX_BOOL whiteFirst, |
| int32_t* pattern, |
| int32_t patternLength, |
| CFX_Int32Array& counters); |
| static int32_t patternMatchVariance(CFX_Int32Array& counters, |
| int32_t* pattern, |
| int32_t maxIndividualVariance); |
| }; |
| |
| #endif // XFA_SRC_FXBARCODE_PDF417_BC_PDF417DETECTOR_H_ |