mfc_opencvview.cpp

在MFC上应用OPENCV的教程。有详细的编程方法和截图。可以参考使用。

// MFC_OpenCVView.cpp : implementation of the CMFC_OpenCVView class
//

#include <stdafx.h>
#include "MFC_OpenCV.h"

#include "MFC_OpenCVDoc.h"
#include "MFC_OpenCVView.h"

#include <fstream.h>  
#include<time.h>

#include "cv.h"
#include "highgui.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMFC_OpenCVView

IMPLEMENT_DYNCREATE(CMFC_OpenCVView, CView)

BEGIN_MESSAGE_MAP(CMFC_OpenCVView, CView)
	//{{AFX_MSG_MAP(CMFC_OpenCVView)
	ON_COMMAND(ID_PEPPER_AND_SALT, OnPepperAndSalt)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CMFC_OpenCVView construction/destruction

CMFC_OpenCVView::CMFC_OpenCVView()
{
	// TODO: add construction code here

}

CMFC_OpenCVView::~CMFC_OpenCVView()
{
}

BOOL CMFC_OpenCVView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMFC_OpenCVView drawing

void CMFC_OpenCVView::OnDraw(CDC* pDC)
{
	CMFC_OpenCVDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here

	CRect rect;
	GetClientRect(rect);
	
	//把显示区设为图像的真实宽度和高度
	rect.right=pDoc->MyImage.Width();  
	rect.bottom=pDoc->MyImage.Height();
    
	//定义一个CSize对象, 用于保存滚动条的尺寸, 设为图像的真实尺寸
//	CSize sizeTotal(rect.right, rect.bottom);
//	SetScrollSizes(MM_TEXT, sizeTotal);//设置滚动条的位置
  	
    //调用CvvImage类的成员函数DrawToHDC在视图窗口显示图像
	//函数形参为当前的设备环境和显示区大小
	pDoc->MyImage.DrawToHDC(pDC->m_hDC, rect);	   
}

/////////////////////////////////////////////////////////////////////////////
// CMFC_OpenCVView printing

BOOL CMFC_OpenCVView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CMFC_OpenCVView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CMFC_OpenCVView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CMFC_OpenCVView diagnostics

#ifdef _DEBUG
void CMFC_OpenCVView::AssertValid() const
{
	CView::AssertValid();
}

void CMFC_OpenCVView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CMFC_OpenCVDoc* CMFC_OpenCVView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMFC_OpenCVDoc)));
	return (CMFC_OpenCVDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMFC_OpenCVView message handlers

void CMFC_OpenCVView::OnPepperAndSalt() 
{
	// TODO: Add your command handler code here
	
}