testfontview.cpp

Visual c++.程序设计培训教程

// TestFontView.cpp : implementation of the CTestFontView class
//

#include "stdafx.h"
#include "TestFont.h"

#include "TestFontDoc.h"
#include "TestFontView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTestFontView

IMPLEMENT_DYNCREATE(CTestFontView, CView)

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

/////////////////////////////////////////////////////////////////////////////
// CTestFontView construction/destruction

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

}

CTestFontView::~CTestFontView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CTestFontView drawing
#include "math.h"
void CTestFontView::OnDraw(CDC* pDC)
{
	CTestFontDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	for(int i=0;i<7;i++)
	{
		//第一步：创建字体
		CFont	NewFont;
		//调用CreateFont成员函数实际创建字体
		NewFont.CreateFont(30-i,
			0,
			300*i,
			0,
			400,
			FALSE,FALSE,0,
			DEFAULT_CHARSET,OUT_DEFAULT_PRECIS,
			CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,
			DEFAULT_PITCH&FF_SWISS,
			"Arial");

		//第二步：将新的字体选入设备环境，并保存旧字体
		CFont * pOldFont=(CFont *)pDC->SelectObject(&NewFont);
		//用TextOut输出文本
		pDC->TextOut(100*cos(3.1415926/6.0*i)+300,
			-100*sin(3.1415926/6.0*i)+300,
			"使用CFont对象");

		//第三步：恢复设备环境中的旧字体
		pDC->SelectObject(pOldFont);
	}
}

/////////////////////////////////////////////////////////////////////////////
// CTestFontView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CTestFontView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CTestFontView message handlers