statchart.cpp

在matlab平台上实现的关于图象线性变换和几何畸变校正算法的程序,

// StatChart.cpp : implementation file
//

#include "stdafx.h"
#include "Pro2.h"
#include "StatChart.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CStatChart dialog


CStatChart::CStatChart(CWnd* pParent /*=NULL*/)
	: CDialog(CStatChart::IDD, pParent)
{
	//{{AFX_DATA_INIT(CStatChart)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CStatChart::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CStatChart)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CStatChart, CDialog)
	//{{AFX_MSG_MAP(CStatChart)
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CStatChart message handlers

void CStatChart::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
	
	// Do not call CDialog::OnPaint() for painting messages

	//get the tag
	CWnd* pWnd=GetDlgItem(IDC_CHART);

	CDC* pDC=pWnd->GetDC();
	pWnd->Invalidate();
	pWnd->UpdateWindow();

	pDC->Rectangle(0,0,330,300);

	//create a pain object
	CPen* pPenRed=new CPen;
	
	pPenRed->CreatePen(PS_SOLID,1,RGB(255,0,0));

	CPen* pOldPen=pDC->SelectObject(pPenRed);

	pDC->MoveTo(10,10);

	pDC->LineTo(10,280);

	pDC->LineTo(320,280);

	//paint the scale of X direction
	CString strTemp;
	strTemp.Format("0");
	pDC->TextOut(10,283,strTemp);
	strTemp.Format("50");
	pDC->TextOut(60,283,strTemp);
	strTemp.Format("100");
	pDC->TextOut(110,283,strTemp);
	strTemp.Format("150");
	pDC->TextOut(160,283,strTemp);
	strTemp.Format("200");
	pDC->TextOut(210,283,strTemp);
	strTemp.Format("255");
	pDC->TextOut(265,283,strTemp);

	for(int i=0;i<256;i+=5)
	{
		if((i&1)==0)
		{
			pDC->MoveTo(i+10,280);
			pDC->LineTo(i+10,284);
		}
		else
		{
			pDC->MoveTo(i+10,280);
			pDC->LineTo(i+10,282);
		}
	}

	pDC->MoveTo(315,275);
	pDC->LineTo(320,280);
	pDC->LineTo(315,285);

	pDC->MoveTo(10,10);
	pDC->LineTo(5,15);
	pDC->MoveTo(10,10);
	pDC->LineTo(15,15);

	LONG lMaxCount=0;

	//get the maximum number
	for(i=0;i<=255;i++)
	{
		if(m_nStat[i]>lMaxCount)
			lMaxCount=m_nStat[i];
	}

	pDC->MoveTo(10,25);
	pDC->LineTo(14,25);
	strTemp.Format("%d",lMaxCount);
	pDC->TextOut(11,26,strTemp);

	CPen* pPenBlue=new CPen;
	pPenBlue->CreatePen(PS_SOLID,1,RGB(0,0,255));

	pDC->SelectObject(pPenBlue);

	if(lMaxCount>0)
	{
		for(i=0;i<=255;i++)
		{
			pDC->MoveTo(i+10,280);
			pDC->LineTo(i+10,281-(int)(m_nStat[i]*256/lMaxCount));
		}
	}

	pDC->SelectObject(pOldPen);

	delete pPenRed;
	delete pPenBlue;
}

BOOL CStatChart::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}