testdlg.cpp

直线插补

// testDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "test.h"
#include "testDlg.h"
#include ".\testdlg.h"
#include "math.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CtestDlg 对话框



CtestDlg::CtestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CtestDlg::IDD, pParent)
	, Xa(0)
	, Ya(0)
	
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CtestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Text(pDX, IDC_EDIT1, Xa);
	DDX_Text(pDX, IDC_EDIT2, Ya);
	
}

BEGIN_MESSAGE_MAP(CtestDlg, CDialog)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(IDC_BUTTON1, OnBnClickedButton1)
	ON_BN_CLICKED(IDC_BUTTON3, OnBnClickedButton3)
	ON_BN_CLICKED(IDC_BUTTON4, OnBnClickedButton4)
	
	ON_BN_CLICKED(IDC_BUTTON2, OnBnClickedButton2)
END_MESSAGE_MAP()


// CtestDlg 消息处理程序

BOOL CtestDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
	//  执行此操作
	SetIcon(m_hIcon, TRUE);			// 设置大图标
	SetIcon(m_hIcon, FALSE);		// 设置小图标

	ShowWindow(SW_MAXIMIZE);

	
	CWnd *pWnd=(CWnd*)GetDlgItem(IDC_STATIC);
	pDC=pWnd->GetDC();
	 
   
	//CStatic   *pPicture=(CStatic   *)GetDlgItem(IDC_STATIC）;   
	x=0;
    y=0;
	Nx=-1;
	Ny=-1;
	Xb=0;
	Yb=0;// TODO: 在此添加额外的初始化代码
	
	return TRUE;  // 除非设置了控件的焦点，否则返回 TRUE
}

// 如果向对话框添加最小化按钮，则需要下面的代码
//  来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
//  这将由框架自动完成。

void CtestDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(GetDlgItem(IDC_STATIC)); // 用于绘制的设备上下文
   

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// 使图标在工作矩形中居中
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// 绘制图标
		dc.DrawIcon(x, y, m_hIcon);

	}
	else
	{
		CDialog::OnPaint();
	}


}

//当用户拖动最小化窗口时系统调用此函数取得光标显示。
HCURSOR CtestDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void CtestDlg::OnBnClickedButton1()                          //单步执行
{    pDC->MoveTo(150,400);
     pDC->LineTo(850,400);
	 pDC->MoveTo(500,150);
     pDC->LineTo(500,700);
     
	if(Xa>0) Xb=1;
    else if(Xa<0) Xb=-1;
	if(Ya>0) Yb=1;
	else if(Ya<0) Yb=-1;

	pDC->MoveTo(500,400);
     pDC->LineTo(500+15*Xa,400+15*Ya*(-1));
    UpdateData(TRUE);
	if(Nx>=abs(Xa)&&Ny>=abs(Ya)) AfxMessageBox("插补完成！");
    else if(Nx>=abs(Xa))  
	     { pDC->MoveTo(500+15*x,400+15*y*(-1));
           pDC->LineTo(500+15*x,400+15*(y+Yb)*(-1));
            y=y+Yb;
			++Ny;
            
			UpdateData(FALSE);
			}
	else if(Ny>=abs(Ya))
	     { pDC->MoveTo(500+15*x,400+15*y*(-1));
           pDC->LineTo(500+15*(x+Xb),400+15*y*(-1));
            x=x+Xb;
			++Nx;
            
			UpdateData(FALSE);
			}
	else
	     { 
	       pf=Ya*Ya+Xa*Xa;
		   Jx=fabs((Xa*y-Ya*(x+Xb))/pf);
	       Jy=fabs((Xa*(y+Yb)-Ya*x)/pf);
		   Jxy=fabs((Xa*(y+Yb)-Ya*(x+Xb))/pf);
		   if(Jxy<=Jx&&Jxy<=Jy)
		      { pDC->MoveTo(500+15*x,400+15*y*(-1));
                pDC->LineTo(500+15*(x+Xb),400+15*(y+Yb)*(-1));
				x=x+Xb;
		        y=y+Yb;
			    ++Ny;
			    ++Nx;
               
			    UpdateData(FALSE);
			  }

		   else if(Jx<=Jy&&Jx<=Jxy) 
		     { pDC->MoveTo(500+15*x,400+15*y*(-1));
               pDC->LineTo(500+15*(x+Xb),400+15*y*(-1));
			   x=x+Xb;
			   ++Nx;
               
			   UpdateData(FALSE);
		     }
		   else if(Jy<=Jx&&Jy<=Jxy)
		      { pDC->MoveTo(500+15*x,400+15*y*(-1));
                pDC->LineTo(500+15*x,400+15*(y+Yb)*(-1));
				y=y+Yb;
			    ++Ny;
               
			    UpdateData(FALSE);
			  }
		  
 }
}
void CtestDlg::OnBnClickedButton3()                              //初始化
{
	x=0;
    y=0;
	Nx=-1;
	Ny=-1;
	Xb=0;
	Yb=0;
	
	Xa=0;
	Ya=0;
	UpdateData(FALSE);// TODO: 在此添加控件通知处理程序代码
}

void CtestDlg::OnBnClickedButton4()                                         //退出
{
	CDialog::OnOK();
}



void CtestDlg::OnBnClickedButton2()                                 //连续执行
{ for(;;TRUE)
   {
	 pDC->MoveTo(150,400);
     pDC->LineTo(850,400);
	 pDC->MoveTo(500,150);
     pDC->LineTo(500,700);
     
	if(Xa>0) Xb=1;
    else if(Xa<0) Xb=-1;
	if(Ya>0) Yb=1;
	else if(Ya<0) Yb=-1;

	pDC->MoveTo(500,400);
     pDC->LineTo(500+15*Xa,400+15*Ya*(-1));
    UpdateData(TRUE);
	if(Nx>=abs(Xa)&&Ny>=abs(Ya)) 
	{ 
		AfxMessageBox("插补完成！");
        break;
	}
    else if(Nx>=abs(Xa))  
	     { pDC->MoveTo(500+15*x,400+15*y*(-1));
           pDC->LineTo(500+15*x,400+15*(y+Yb)*(-1));
            y=y+Yb;
			++Ny;
            
			UpdateData(FALSE);
			}
	else if(Ny>=abs(Ya))
	     { pDC->MoveTo(500+15*x,400+15*y*(-1));
           pDC->LineTo(500+15*(x+Xb),400+15*y*(-1));
            x=x+Xb;
			++Nx;
            
			UpdateData(FALSE);
			}
	else
	     { 
	       pf=Ya*Ya+Xa*Xa;
		   Jx=fabs((Xa*y-Ya*(x+Xb))/pf);
	       Jy=fabs((Xa*(y+Yb)-Ya*x)/pf);
		   Jxy=fabs((Xa*(y+Yb)-Ya*(x+Xb))/pf);
		   if(Jxy<=Jx&&Jxy<=Jy)
		      { pDC->MoveTo(500+15*x,400+15*y*(-1));
                pDC->LineTo(500+15*(x+Xb),400+15*(y+Yb)*(-1));
				x=x+Xb;
		        y=y+Yb;
			    ++Ny;
			    ++Nx;
                
			    UpdateData(FALSE);
			  }

		   else if(Jx<=Jy&&Jx<=Jxy) 
		     { pDC->MoveTo(500+15*x,400+15*y*(-1));
               pDC->LineTo(500+15*(x+Xb),400+15*y*(-1));
			   x=x+Xb;
			   ++Nx;
               
			   UpdateData(FALSE);
		     }
		   else if(Jy<=Jx&&Jy<=Jxy)
		      { pDC->MoveTo(500+15*x,400+15*y*(-1));
                pDC->LineTo(500+15*x,400+15*(y+Yb)*(-1));
				y=y+Yb;
			    ++Ny;
                
			    UpdateData(FALSE);
			  }
   }
	// TODO: 在此添加控件通知处理程序代码
}

}