// 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_QRALIGNMENTPATTERNFINDER_H_ | |
#define _BC_QRALIGNMENTPATTERNFINDER_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 |