sdi_projectview.cpp

用MFC开发的SDI程序

// SDI_projectView.cpp : implementation of the CSDI_projectView class
//

#include "stdafx.h"
#include "SDI_project.h"

#include "SDI_projectDoc.h"
#include "SDI_projectView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSDI_projectView

IMPLEMENT_DYNCREATE(CSDI_projectView, CView)

BEGIN_MESSAGE_MAP(CSDI_projectView, CView)
	//{{AFX_MSG_MAP(CSDI_projectView)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CSDI_projectView construction/destruction

CSDI_projectView::CSDI_projectView()
{
	// TODO: add construction code here
	 m_frame.Create( GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN), 24);
}

CSDI_projectView::~CSDI_projectView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CSDI_projectView drawing

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

	IplImage* img = pDoc ->m_image;
	CvSize size   = pDoc ->m_size;
	IplImage* ShownImage;
	
	if (img)
	{
		CRect r;
		GetClientRect (&r);
 		ShownImage = m_frame.GetImage();
		cvSetImageROI( ShownImage     , cvRect( 0, 0, size.width,size.height));
		cvResize     ( img, ShownImage, CV_INTER_LINEAR );
	}
	else {
		return;
	};

	if (ShownImage)
	{
    	m_frame.Show(pDC->GetSafeHdc() , 0, 0, size.width, size.height, 0, 0 );
	    ReleaseDC( pDC );
	}
	else {
		AfxMessageBox("check the - ShownImage - image", MB_OK, NULL);
	};
}

/////////////////////////////////////////////////////////////////////////////
// CSDI_projectView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CSDI_projectView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CSDI_projectView message handlers