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// 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_QRCODE_BC_QRALIGNMENTPATTERNFINDER_H_
#define XFA_FXBARCODE_QRCODE_BC_QRALIGNMENTPATTERNFINDER_H_
#include "core/include/fxcrt/fx_basic.h"
#include "xfa/fxbarcode/utils.h"
class CBC_CommonBitMatrix;
class CBC_QRAlignmentPattern;
class CBC_QRAlignmentPatternFinder {
private:
CBC_CommonBitMatrix* m_image;
CFX_PtrArray m_possibleCenters;
int32_t m_startX;
int32_t m_startY;
int32_t m_width;
int32_t m_height;
FX_FLOAT m_moduleSize;
CFX_Int32Array m_crossCheckStateCount;
public:
CBC_QRAlignmentPatternFinder(CBC_CommonBitMatrix* image,
int32_t startX,
int32_t startY,
int32_t width,
int32_t height,
FX_FLOAT moduleSize);
virtual ~CBC_QRAlignmentPatternFinder();
FX_BOOL FoundPatternCross(const CFX_Int32Array& stateCount);
FX_FLOAT CrossCheckVertical(int32_t startI,
int32_t startJ,
int32_t maxCount,
int32_t originalStateCountTotal);
CBC_QRAlignmentPattern* Find(int32_t& e);
CBC_QRAlignmentPattern* HandlePossibleCenter(const CFX_Int32Array& stateCount,
int32_t i,
int32_t j);
static FX_FLOAT CenterFromEnd(const CFX_Int32Array& stateCount, int32_t end);
};
#endif // XFA_FXBARCODE_QRCODE_BC_QRALIGNMENTPATTERNFINDER_H_
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