基于MFC的逐点比较法直线法插补教程Word文档格式.docx

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基于MFC的逐点比较法直线法插补教程Word文档格式.docx

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基于MFC的逐点比较法直线法插补教程Word文档格式.docx

//DialogData

//{{AFX_DATA(CAboutDlg)

enum{IDD=IDD_ABOUTBOX};

//}}AFX_DATA

//ClassWizardgeneratedvirtualfunctionoverrides

//{{AFX_VIRTUAL(CAboutDlg)

protected:

virtualvoidDoDataExchange(CDataExchange*pDX);

//DDX/DDVsupport

//}}AFX_VIRTUAL

//Implementation

protected:

//{{AFX_MSG(CAboutDlg)

//}}AFX_MSG

DECLARE_MESSAGE_MAP()

};

CAboutDlg:

:

CAboutDlg():

CDialog(CAboutDlg:

IDD)

//{{AFX_DATA_INIT(CAboutDlg)

//}}AFX_DATA_INIT

}

voidCAboutDlg:

DoDataExchange(CDataExchange*pDX)

CDialog:

DoDataExchange(pDX);

//{{AFX_DATA_MAP(CAboutDlg)

//}}AFX_DATA_MAP

BEGIN_MESSAGE_MAP(CAboutDlg,CDialog)

//{{AFX_MSG_MAP(CAboutDlg)

//Nomessagehandlers

//}}AFX_MSG_MAP

END_MESSAGE_MAP()

//CMy1Dlgdialog

CMy1Dlg:

CMy1Dlg(CWnd*pParent/*=NULL*/)

:

CDialog(CMy1Dlg:

IDD,pParent)

//{{AFX_DATA_INIT(CMy1Dlg)

m_x=0.0;

m_y=0.0;

m_x0=0;

m_y0=0;

//NotethatLoadIcondoesnotrequireasubsequentDestroyIconinWin32

m_hIcon=AfxGetApp()->

LoadIcon(IDR_MAINFRAME);

voidCMy1Dlg:

//{{AFX_DATA_MAP(CMy1Dlg)

DDX_Text(pDX,IDC_EDIT1,m_x);

DDV_MinMaxDouble(pDX,m_x,0.,10.);

DDX_Text(pDX,IDC_EDIT2,m_y);

DDV_MinMaxDouble(pDX,m_y,0.,10.);

DDX_Text(pDX,IDC_EDIT3,m_x0);

DDV_MinMaxInt(pDX,m_x0,0,10);

DDX_Text(pDX,IDC_EDIT4,m_y0);

DDV_MinMaxInt(pDX,m_y0,0,10);

BEGIN_MESSAGE_MAP(CMy1Dlg,CDialog)

//{{AFX_MSG_MAP(CMy1Dlg)

ON_WM_SYSCOMMAND()

ON_WM_PAINT()

ON_WM_QUERYDRAGICON()

ON_BN_CLICKED(IDC_BUTTON1,OnButton1)

ON_BN_CLICKED(IDC_BUTTON2,OnButton2)

//CMy1Dlgmessagehandlers

BOOLCMy1Dlg:

OnInitDialog()

OnInitDialog();

pWnd=GetDlgItem(IDC_MYSTATIC);

//Add"

About..."

menuitemtosystemmenu.

//IDM_ABOUTBOXmustbeinthesystemcommandrange.

ASSERT((IDM_ABOUTBOX&

0xFFF0)==IDM_ABOUTBOX);

ASSERT(IDM_ABOUTBOX<

0xF000);

CMenu*pSysMenu=GetSystemMenu(FALSE);

if(pSysMenu!

=NULL)

{

CStringstrAboutMenu;

strAboutMenu.LoadString(IDS_ABOUTBOX);

if(!

strAboutMenu.IsEmpty())

{

pSysMenu->

AppendMenu(MF_SEPARATOR);

AppendMenu(MF_STRING,IDM_ABOUTBOX,strAboutMenu);

}

}

//Settheiconforthisdialog.Theframeworkdoesthisautomatically

//whentheapplication'

smainwindowisnotadialog

SetIcon(m_hIcon,TRUE);

//Setbigicon

SetIcon(m_hIcon,FALSE);

//Setsmallicon

//TODO:

Addextrainitializationhere

returnTRUE;

//returnTRUEunlessyousetthefocustoacontrol

OnSysCommand(UINTnID,LPARAMlParam)

if((nID&

0xFFF0)==IDM_ABOUTBOX)

CAboutDlgdlgAbout;

dlgAbout.DoModal();

else

CDialog:

OnSysCommand(nID,lParam);

//Ifyouaddaminimizebuttontoyourdialog,youwillneedthecodebelow

//todrawtheicon.ForMFCapplicationsusingthedocument/viewmodel,

//thisisautomaticallydoneforyoubytheframework.

OnPaint()

if(a==1)

CPaintDCdc(this);

//devicecontextforpainting

CStringstr;

inti,j;

intx,y;

//强制更新绘图,不可少,否则绘图会出错

//使static控件区域无效

pWnd->

Invalidate();

//更新窗口,此时才真正向系统发送重绘消息,没有这句你可以试下,绝对出问题

UpdateWindow();

CDC*pDC=pWnd->

GetDC();

//获取控件的CDC指针

pDC->

Rectangle(0,0,380,390);

//画一个矩形框

CPen*pPenRed=newCPen();

//创建画笔对象

pPenRed->

CreatePen(PS_SOLID,1,RGB(255,0,0));

//红色画笔

CPen*pPen=NULL;

//选中当前红色画笔,并保存以前的画笔

CGdiObject*pOldPen=pDC->

SelectObject(pPenRed);

pDC->

MoveTo(20,20);

//绘制坐标轴

LineTo(20,360);

//竖起轴

LineTo(360,360);

//水平轴

//写X轴刻度值

for(i=0;

i<

=10;

i++)

str.Format("

%d"

i);

TextOut(17+30*i,365,str);

//绘制X轴刻度

MoveTo(i*30+20,360);

LineTo(i*30+20,355);

//写Y轴刻度值

for(i=1;

TextOut(2,360-30*i-5,str);

//绘制Y轴刻度

MoveTo(25,360-30*i);

LineTo(20,360-30*i);

//绘制X箭头

MoveTo(350,357);

LineTo(350,363);

//绘制Y箭头

MoveTo(17,30);

LineTo(20,20);

//绘制左边箭头

LineTo(23,30);

//绘制右边箭头

pDC->

MoveTo(xi,yi);

LineTo(xe,ye);

//恢复以前的画笔

SelectObject(pOldPen);

//逐点比较法直线插补

while(sum>

0)

if(F>

=0)

F=F-m_y+m_y0;

Mov

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