commondlgdemoview.cpp

VC++6开发指南的源代码第7章-第11章

// CommonDlgDemoView.cpp : implementation of the CCommonDlgDemoView class
//

#include "stdafx.h"
#include "CommonDlgDemo.h"

#include "CommonDlgDemoDoc.h"
#include "CommonDlgDemoView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCommonDlgDemoView

IMPLEMENT_DYNCREATE(CCommonDlgDemoView, CView)

BEGIN_MESSAGE_MAP(CCommonDlgDemoView, CView)
	//{{AFX_MSG_MAP(CCommonDlgDemoView)
	ON_COMMAND(ID_FONT, OnFont)
	ON_COMMAND(ID_COLOR, OnColor)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CCommonDlgDemoView construction/destruction

CCommonDlgDemoView::CCommonDlgDemoView()
{
	// TODO: add construction code here
	crColor=RGB(255,0,0);//圆的初始颜色红色
	fntColor=RGB(0,0,255);//字体的初始颜色蓝色
	memset(&fnt,0,sizeof(LOGFONT));
	fnt.lfHeight=30;//字体初始高度30
	strcpy(fnt.lfFaceName,"Arial");//初始字体名称
	fnt.lfWeight=400;//初始字体浓淡
}

CCommonDlgDemoView::~CCommonDlgDemoView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CCommonDlgDemoView drawing

void CCommonDlgDemoView::OnDraw(CDC* pDC)
{
	CCommonDlgDemoDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	CPen mypen;
	mypen.CreatePen(PS_SOLID,3,crColor);//创建画笔
	pDC->SelectObject(&mypen);//载入画笔
	pDC->Ellipse(100,100,250,250);//画圆

	pDC->SetTextColor(fntColor);//字体的颜色
	CFont myfont;
	myfont.CreateFontIndirect(&fnt);//创建字体
	pDC->SelectObject(&myfont);//载入字体
	pDC->TextOut(50,50,"字体对话框设置字体");//输出文字
}

/////////////////////////////////////////////////////////////////////////////
// CCommonDlgDemoView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CCommonDlgDemoView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CCommonDlgDemoView message handlers

void CCommonDlgDemoView::OnFont() 
{
	// TODO: Add your command handler code here
	CFontDialog fontdialog(&fnt);//初始化字体对象
	fontdialog.m_cf.rgbColors=fntColor;//字体对话框初始化

	if(fontdialog.DoModal()==IDOK)//显示字体对话框
	{
		fontdialog.GetCurrentFont(&fnt);//获取字体信息
		fntColor=fontdialog.GetColor();//获取字体颜色
	}
	Invalidate(true);	//重绘窗口
}

void CCommonDlgDemoView::OnColor() 
{
	// TODO: Add your command handler code here
	CColorDialog colordialog(crColor,CC_FULLOPEN);//初始化颜色对话框对象
	if(colordialog.DoModal()==IDOK)//创建颜色对话框
	{
		crColor=colordialog.m_cc.rgbResult;
		//crColor=colordialog.GetColor();//获取设置颜色
		Invalidate(true);//重绘窗口
	}
}