mybmpview.cpp

这个是我们学校用的VC++教案

// MyBMPView.cpp : implementation of the CMyBMPView class
//

#include "stdafx.h"
#include "MyBMP.h"

#include "MyBMPDoc.h"
#include "MyBMPView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMyBMPView

IMPLEMENT_DYNCREATE(CMyBMPView, CView)

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

/////////////////////////////////////////////////////////////////////////////
// CMyBMPView construction/destruction

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

}

CMyBMPView::~CMyBMPView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMyBMPView drawing

void CMyBMPView::OnDraw(CDC* pDC)
{
	CMyBMPDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	CDC  MemDC;
	MemDC.CreateCompatibleDC(pDC);			// 创建一个内存设备环境
    CBitmap  Bitmap;
	Bitmap.LoadBitmap(IDB_MYBITMAP);		// 装入位图资源
	CBitmap  *pOldBitmap=MemDC.SelectObject(&Bitmap);  // 将位图对象选入设备环境
	BITMAP  bm;								
	Bitmap.GetObject(sizeof(BITMAP),&bm);	// 读取位图信息
	pDC->BitBlt(0,0,bm.bmWidth,bm.bmHeight,&MemDC,0,0,SRCCOPY);  // 将内存中的位图复制到屏幕
	MemDC.SelectObject(pOldBitmap);			// 恢复原来的位图对象
}

/////////////////////////////////////////////////////////////////////////////
// CMyBMPView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMyBMPView message handlers