| // 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 _BC_QRFINDERPATTERNFINDER_H_ | |
| #define _BC_QRFINDERPATTERNFINDER_H_ | |
| class CBC_CommonBitMatrix; | |
| class CBC_QRFinderPattern; | |
| class CBC_ResultPoint; | |
| class CBC_QRFinderPatternInfo; | |
| class CBC_QRFinderPatternFinder { | |
| private: | |
| const static int32_t CENTER_QUORUM; | |
| const static int32_t MIN_SKIP; | |
| const static int32_t MAX_MODULES; | |
| const static int32_t INTEGER_MATH_SHIFT; | |
| FX_BOOL m_hasSkipped; | |
| CBC_CommonBitMatrix* m_image; | |
| CFX_Int32Array m_crossCheckStateCount; | |
| CFX_PtrArray m_possibleCenters; | |
| public: | |
| CBC_QRFinderPatternFinder(CBC_CommonBitMatrix* image); | |
| virtual ~CBC_QRFinderPatternFinder(); | |
| int32_t FindRowSkip(); | |
| CBC_CommonBitMatrix* GetImage(); | |
| CBC_QRFinderPatternInfo* Find(int32_t hint, int32_t& e); | |
| CFX_Int32Array& GetCrossCheckStateCount(); | |
| CFX_PtrArray* GetPossibleCenters(); | |
| CFX_PtrArray* SelectBestpatterns(int32_t& e); | |
| FX_BOOL HandlePossibleCenter(const CFX_Int32Array& stateCount, | |
| int32_t i, | |
| int32_t j); | |
| FX_BOOL HaveMultiplyConfirmedCenters(); | |
| FX_FLOAT CenterFromEnd(const CFX_Int32Array& stateCount, int32_t end); | |
| FX_FLOAT CrossCheckVertical(int32_t startI, | |
| int32_t centerJ, | |
| int32_t maxCount, | |
| int32_t originalStateCountTotal); | |
| FX_FLOAT CrossCheckHorizontal(int32_t startJ, | |
| int32_t CenterI, | |
| int32_t maxCOunt, | |
| int32_t originalStateCountTotal); | |
| static void OrderBestPatterns(CFX_PtrArray* patterns); | |
| static FX_BOOL FoundPatternCross(const CFX_Int32Array& stateCount); | |
| static FX_FLOAT Distance(CBC_ResultPoint* point1, CBC_ResultPoint* point2); | |
| }; | |
| #endif |