// SISPitch.cpp: implementation of the CSISPitch class.
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//
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//////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "SISPitch.h"
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#include "SISBuffer.h"
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#include "SISMath.h"
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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BOOL CSISPitch::CheckPitch(CSISBuffer buffer, CRect rect)
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{
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m_xPitch= 0;
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m_yPitch= 0;
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m_Rect= rect;
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int xIntPitch= (int)m_xPitchOrigin;
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int yIntPitch= (int)m_yPitchOrigin;
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if(xIntPitch < 10 || yIntPitch < 10)
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return FALSE;
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if(rect.top < 0)
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return FALSE;
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CSISHive1B<int64> m_DifferenceHive;
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if(m_DifferenceHive.SetSize(m_xSearchRange*2+ 2, FALSE) < 1)
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return FALSE;
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if(m_DifferenceHive.SetSize(m_ySearchRange*2+ 2, FALSE) < 1)
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return FALSE;
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int64 *differences= m_DifferenceHive.GetData(0);
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int i;
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double xResult= -1;
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double yResult= -1;
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int x, y, x2, y2;
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x= rect.left;
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y= rect.top;
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x2= x+ xIntPitch- m_xSearchRange;
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y2= y;
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if(rect.left+ xIntPitch+ m_xSearchRange*2+ m_CheckWidth < rect.right)
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{
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for(i= 0; i< m_xSearchRange*2; i++)
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{
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differences[i]= CSISMath::GetAbsDiff(buffer, x, y, m_CheckWidth, m_CheckHeight, buffer, x2+ i, y2);
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}
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xResult= CSISMath::SearchMinimum(differences, m_xSearchRange*2);
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}
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if(xResult >= 0)
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{
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m_xPitch= x2- x+ xResult;
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}else
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m_xPitch= 0;
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x2= x;
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y2= y+ yIntPitch- m_ySearchRange;
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if(rect.top+ yIntPitch+ m_ySearchRange*2+ m_CheckHeight < rect.bottom)
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{
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for(i= 0; i< m_ySearchRange*2; i++)
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{
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differences[i]= CSISMath::GetAbsDiff(buffer, x, y, m_CheckWidth, m_CheckHeight, buffer, x2, y2+ i);
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}
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yResult= CSISMath::SearchMinimum(differences, m_ySearchRange*2);
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}
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if(yResult >= 0)
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{
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m_yPitch= y2- y+ yResult;
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}else
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m_yPitch= 0;
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return xResult >= 0 && yResult >= 0;
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}
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