wzdview.cpp

《Visual C++ MFC编程实例》配套代码,如果大家正在学习此教程

// WzdView.cpp : implementation of the CWzdView class
//

#include "stdafx.h"
#include "Wzd.h"

#include "WzdDoc.h"
#include "WzdView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CWzdView

IMPLEMENT_DYNCREATE(CWzdView, CView)

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

/////////////////////////////////////////////////////////////////////////////
// CWzdView construction/destruction

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

}

CWzdView::~CWzdView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CWzdView drawing

void CWzdView::OnDraw(CDC* pDC)
{
	CWzdDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	// load bitmap from resource file
	{
	CBitmap bitmap;
	bitmap.LoadBitmap(IDB_WZD);

	CDC dcComp;
	dcComp.CreateCompatibleDC(pDC);
	dcComp.SelectObject(&bitmap);

	BITMAP bmInfo;
	bitmap.GetObject(sizeof(bmInfo),&bmInfo);

	pDC->BitBlt(0,0,bmInfo.bmWidth,bmInfo.bmHeight, &dcComp, 0,0,SRCCOPY);
	}

	// load bitmap directly from a file
	{
	CBitmap bitmap;

	HBITMAP hbitmap = (HBITMAP)LoadImage(
		NULL,				// handle of the instance that contains the image
		"Wzd2.bmp",			// name or identifier of image
		IMAGE_BITMAP,		// type of image-- can also be IMAGE_CURSOR or IMAGE_ICON 
		0,0,				// desired width and height
		LR_LOADFROMFILE);	// load flags-- with LR_LOADTRANSPARENT makes transparent to bkgrnd
 
	bitmap.Attach(hbitmap);

	CDC dcComp;
	dcComp.CreateCompatibleDC(pDC);
	dcComp.SelectObject(&bitmap);

	BITMAP bmInfo;
	bitmap.GetObject(sizeof(bmInfo),&bmInfo);

	pDC->BitBlt(100,100,bmInfo.bmWidth,bmInfo.bmHeight, &dcComp, 0,0,SRCCOPY);
	}
}

/////////////////////////////////////////////////////////////////////////////
// CWzdView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CWzdView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CWzdView message handlers