// 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 |