www.pudn.com > GreyScalDevideDaJing.rar > GreyScalDevideDaJingView.cpp

// GreyScalDevideDaJingView.cpp : implementation of the CGreyScalDevideDaJingView class 
// 
 
#include "stdafx.h" 
#include "GreyScalDevideDaJing.h" 
 
#include "GreyScalDevideDaJingDoc.h" 
#include "GreyScalDevideDaJingView.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CGreyScalDevideDaJingView 
 
IMPLEMENT_DYNCREATE(CGreyScalDevideDaJingView, CView) 
 
BEGIN_MESSAGE_MAP(CGreyScalDevideDaJingView, CView) 
	//{{AFX_MSG_MAP(CGreyScalDevideDaJingView) 
		// NOTE - the ClassWizard will add and remove mapping macros here. 
		//    DO NOT EDIT what you see in these blocks of generated code! 
	//}}AFX_MSG_MAP 
	// Standard printing commands 
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint) 
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint) 
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview) 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CGreyScalDevideDaJingView construction/destruction 
 
CGreyScalDevideDaJingView::CGreyScalDevideDaJingView() 
{ 
	// TODO: add construction code here 
 
} 
 
CGreyScalDevideDaJingView::~CGreyScalDevideDaJingView() 
{ 
} 
 
BOOL CGreyScalDevideDaJingView::PreCreateWindow(CREATESTRUCT& cs) 
{ 
	// TODO: Modify the Window class or styles here by modifying 
	//  the CREATESTRUCT cs 
 
	return CView::PreCreateWindow(cs); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CGreyScalDevideDaJingView drawing 
 
void CGreyScalDevideDaJingView::OnDraw(CDC* pDC) 
{ 
	CGreyScalDevideDaJingDoc* pDoc = GetDocument(); 
	ASSERT_VALID(pDoc); 
	// TODO: add draw code for native data here 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CGreyScalDevideDaJingView printing 
 
BOOL CGreyScalDevideDaJingView::OnPreparePrinting(CPrintInfo* pInfo) 
{ 
	// default preparation 
	return DoPreparePrinting(pInfo); 
} 
 
void CGreyScalDevideDaJingView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add extra initialization before printing 
} 
 
void CGreyScalDevideDaJingView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add cleanup after printing 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CGreyScalDevideDaJingView diagnostics 
 
#ifdef _DEBUG 
void CGreyScalDevideDaJingView::AssertValid() const 
{ 
	CView::AssertValid(); 
} 
 
void CGreyScalDevideDaJingView::Dump(CDumpContext& dc) const 
{ 
	CView::Dump(dc); 
} 
 
CGreyScalDevideDaJingDoc* CGreyScalDevideDaJingView::GetDocument() // non-debug version is inline 
{ 
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CGreyScalDevideDaJingDoc))); 
	return (CGreyScalDevideDaJingDoc*)m_pDocument; 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CGreyScalDevideDaJingView message handlers 
 
//---------------------------------------------------------- 
// name: GetGreyValveDajing() 
// desc: caculate grey image valve by dajing method.  
//---------------------------------------------------------- 
int CGreyScalDevideDaJingView::GetGreyValveDajing(char *pData,int lWidth,int lHeight) 
{ 
	int i; 
	int j; 
 
	int nCountGreyLevel; 
	int nCount; 
	int nSumPelsArr[256]; 
	int nTotalPels; 
	int nSumPels; 
 
	int nGreyTable[256]; 
	double dTotalPoint;  
 
	long lCurrentPoint; 
	BYTE bGrayValue; 
	BYTE bGrayValueSwitch; 
 
	double dW0; 
	double dW1; 
	double dU0; 
	double dU1; 
	double dR1Temp0; 
	double dR1Temp0Max; 
 
 
	dR1Temp0Max = 0; 
 
	memset(nGreyTable, 0, 1024); 
	dTotalPoint = (double)lWidth * lHeight; 
 
	if(pData==NULL) 
	{ 
		AfxMessageBox("图像数据为空，请读取图像数据!"); 
		return -1; 
	} 
	//calculate 直方 image //统计各个灰度级出现的次数； 
	for(j=lHeight; j>0; j--) 
	{ 
		for(i=0; i dR1Temp0Max) 
			{ 
				dR1Temp0Max = dR1Temp0; 
				bGrayValueSwitch = nCountGreyLevel; 
			} 
 
		} 
	} 
 
	return bGrayValueSwitch; 
}