wzdview.cpp

本书通过85个实例全面讲述了应用MFC进行Visual C++编程的思想。每个实例均以编写一个应用程序要走的步骤编写。全书共分四部分进行介绍

// 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);


	CString str("This is drawn text.");

	// use stock font
	pDC->SelectStockObject(ANSI_VAR_FONT);

	// set text color
	pDC->SetTextColor(RGB(100,100,100));

	// set background mode to transparent (no background color)
	pDC->SetBkMode(TRANSPARENT);

	// set text alignment
	pDC->SetTextAlign(TA_LEFT|TA_TOP); //default: also TA_BASELINE,TA_BOTTOM,TA_CENTER,TA_RIGHT

	// textout
 	pDC->TextOut(100,100, str, str.GetLength());


	// create your own font (8 point, MS Sans Serif)
	CFont font;
	font.CreateFont(-22, 0, 0, 0, FW_NORMAL, 0, 0, 0, 0, 0, 0, 0, 0, 
		"Courier");
	CFont *pFont = (CFont *)pDC->SelectObject(&font);

	// set background mode to transparent (use background color)
	pDC->SetBkMode(OPAQUE);

	// set background color
	pDC->SetBkColor(RGB(200,200,200));


	// formated text
	CRect rect(100,150,400,500); //clips text outside of this rectangle
	pDC->DrawText(str,rect,DT_CENTER);

	pDC->SelectObject(pFont);
}

/////////////////////////////////////////////////////////////////////////////
// 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