myview.cpp

这是书上的代码

// MyView.cpp : implementation of the CMyView class
//

#include "stdafx.h"
#include "My.h"

#include "MyDoc.h"
#include "MyView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMyView

IMPLEMENT_DYNCREATE(CMyView, CView)

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

/////////////////////////////////////////////////////////////////////////////
// CMyView construction/destruction

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

}

CMyView::~CMyView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMyView drawing

void CMyView::OnDraw(CDC* pDC)
{    CMyDoc* pDoc = GetDocument();
	  ASSERT_VALID(pDoc);
     //Determine the size of the window.
     CRect rect;
     GetClientRect (rect);
     //Create sample string.
     CString str("I....I am rotating!");
     //Draw transparent, red text.
     pDC->SetBkMode (TRANSPARENT);
     pDC->SetTextColor (RGB (255,0,0));

     CFont font;           //font object
     LOGFONT lFont;    //font definition
     //Set font attributes that will not change.
     memset (&lFont, 0, sizeof (LOGFONT));
     lFont.lfHeight=MulDiv (14, -pDC->GetDeviceCaps (LOGPIXELSY), 72);
     lFont.lfWeight=FW_NORMAL;
     lFont.lfClipPrecision=CLIP_LH_ANGLES;
     strcpy (lFont.lfFaceName, "Arial");

     //Draw text at 15degree intervals.
     for (int nAngle=0; nAngle<3600; nAngle+=150)
{
         //Specify new angle.
         lFont.lfEscapement=nAngle;
         //Create and select font into dc.
         font.CreateFontIndirect (&lFont);
         CFont* pOldFont=pDC->SelectObject (&font);

         //Draw the text.
pDC->TextOut(rect.right/2,rect.bottom/2,str);
Sleep(500);
pDC->SelectObject (pOldFont);
font.DeleteObject ();
     }
}



/////////////////////////////////////////////////////////////////////////////
// CMyView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMyView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMyView message handlers