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Diffstat (limited to 'xfa/fxbarcode/pdf417/BC_PDF417Detector.h')
| -rw-r--r-- | xfa/fxbarcode/pdf417/BC_PDF417Detector.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/xfa/fxbarcode/pdf417/BC_PDF417Detector.h b/xfa/fxbarcode/pdf417/BC_PDF417Detector.h new file mode 100644 index 0000000000..dda039d6d5 --- /dev/null +++ b/xfa/fxbarcode/pdf417/BC_PDF417Detector.h @@ -0,0 +1,69 @@ +// 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_FXBARCODE_PDF417_BC_PDF417DETECTOR_H_ +#define XFA_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_FXBARCODE_PDF417_BC_PDF417DETECTOR_H_ |