mfc_opencvview.cpp

利用OpenCV打开图像

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

#include "stdafx.h"
#include "MFC_OpenCV.h"

#include "MFC_OpenCVDoc.h"
#include "MFC_OpenCVView.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)
		// 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
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

	// 获得图像显示区域
	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();

	//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 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