// 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; | |
class CBC_QRFinderPatternFinder : public CFX_Object | |
{ | |
private: | |
const static FX_INT32 CENTER_QUORUM; | |
const static FX_INT32 MIN_SKIP; | |
const static FX_INT32 MAX_MODULES; | |
const static FX_INT32 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(); | |
FX_INT32 FindRowSkip(); | |
CBC_CommonBitMatrix* GetImage(); | |
CBC_QRFinderPatternInfo* Find(FX_INT32 hint, FX_INT32 &e); | |
CFX_Int32Array &GetCrossCheckStateCount(); | |
CFX_PtrArray *GetPossibleCenters(); | |
CFX_PtrArray *SelectBestpatterns(FX_INT32 &e); | |
FX_BOOL HandlePossibleCenter(const CFX_Int32Array &stateCount, FX_INT32 i, FX_INT32 j); | |
FX_BOOL HaveMultiplyConfirmedCenters(); | |
FX_FLOAT CenterFromEnd(const CFX_Int32Array &stateCount, FX_INT32 end); | |
FX_FLOAT CrossCheckVertical(FX_INT32 startI, FX_INT32 centerJ, FX_INT32 maxCount, FX_INT32 originalStateCountTotal); | |
FX_FLOAT CrossCheckHorizontal(FX_INT32 startJ, FX_INT32 CenterI, FX_INT32 maxCOunt, FX_INT32 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 |