intervolvedlg.cpp

此 InterVolve 应用程序不仅介绍了使用 Microsoft 基础类的基本知识

// InterVolveDlg.cpp : 实现文件
//



#include "stdafx.h"
#include "InterVolve.h"
#include "InterVolveDlg.h"
#include ".\intervolvedlg.h"
#include "afxtempl.h" 


#include <vector>
#include <string>
#include <algorithm>
#include <iomanip>
#include <cmath>
//#include <valarray>

using namespace std;
#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// 用于应用程序“关于”菜单项的 CAboutDlg 对话框

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// 对话框数据
	enum { IDD = IDD_ABOUTBOX };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持

// 实现
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// CInterVolveDlg 对话框



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

void CInterVolveDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Text(pDX, IDC_EDTN, m_ValueN);
	DDV_MinMaxInt(pDX, m_ValueN, 1, 10000);
	DDX_Control(pDX, IDC_TAB1, m_Tab);

}

BEGIN_MESSAGE_MAP(CInterVolveDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(IDC_BTNCAL, OnBnClickedBtncal)
	ON_BN_CLICKED(IDC_BTNCLOSE, OnBnClickedBtnclose)
END_MESSAGE_MAP()


// CInterVolveDlg 消息处理程序

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

	// 将\“关于...\”菜单项添加到系统菜单中。

	// IDM_ABOUTBOX 必须在系统命令范围内。
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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

	// TODO: 在此添加额外的初始化代码
	CButton* pbtn = (CButton*) this->GetDlgItem(IDC_RADIO1);
	pbtn->SetCheck(TRUE);
	CEdit* pedt = (CEdit*)this->GetDlgItem(IDC_EDTRET);
	pedt->SetReadOnly();
	pedt = (CEdit*)this->GetDlgItem(IDC_EDTN);
	pedt->SetWindowText("15");


	m_Tab.AddPage("计算结果显示",&m_dlgValues,m_dlgValues.IDD); 
	//m_dlgChart
	m_Tab.AddPage("图表显示",&m_dlgChart,m_dlgChart.IDD); 

    m_Tab.Show();
	return TRUE;  // 除非设置了控件的焦点，否则返回 TRUE
}

void CInterVolveDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 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 CInterVolveDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // 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 CInterVolveDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}



void CInterVolveDlg::OnOK()
{
	// TODO: 在此添加专用代码和/或调用基类

	//CDialog::OnOK();
}
typedef double (* FFuncs)(int);
//h1(x)
double funch1(int n)
{
	double fbase = (double)4/(double)5;
	double fr = std::pow(fbase, n);
	return fr;
}
//h2(x)
double funch2(int n)
{
	double fpi = 3.1415927;
	return 0.5*sin((double)0.5*n);
}

void CInterVolveDlg::OnBnClickedBtncal()
{
	this->CalTheNumByArray();
}

//y(n)
//y(n)=sum(x(m)*y(n-m)) m=0..n
double Calcy(double x[],double h[],int n)
{
	double yvalue  = 0;
	for(int m=0;m<=n;m++)
	{
		yvalue += x[m]*h[n-m];
	}

	return yvalue;
}

void CInterVolveDlg::CalTheNumByVector()
{
	// TODO: 在此添加控件通知处理程序代码
	this->UpdateData(TRUE);
	FFuncs funcs[2] = {funch1,funch2};
	int n = this->m_ValueN;
	vector<double> x;//x(n)
	vector<double> y;//y(n)
	vector<double> h;//h(n)
    //1.init x(n),h(n),y(n)
	CButton* pbtn = (CButton*) this->GetDlgItem(IDC_RADIO1);
	int nChoseItem = 0;//选择那个h(n)
	if(pbtn->GetCheck())
	{
		nChoseItem = 0;
	}
	else
	{
		nChoseItem = 1;
	}

	for(int i=0;i<n+1;i++)
	{
		x.push_back(1);
		h.push_back(funcs[nChoseItem](i));
		y.push_back(0); 
	}
	//2.y(n)=SUM(x(m)*h(n-m))  m=0..n
	double result = 0;
	for(unsigned int m=0;m<x.size();m++)
	{
		double yvalue = x[m]*h[n-m];
		y[m] = yvalue;
		result += yvalue;
	}
   

   char buffer[256];
   double source = result;

    _gcvt( source, 14, buffer);
	CWnd* pwnd = this->GetDlgItem(IDC_EDTRET);
	pwnd->SetWindowText(buffer);


}

void CInterVolveDlg::CalTheNumByArray()
{
	this->UpdateData(TRUE);
	FFuncs funcs[2] = {funch1,funch2};
	int n = this->m_ValueN;
	double* x = new double[2*(n+1)];//x(n)
	double* y = new double[2*(n+1)];//y(n)
	double* h = new double[2*(n+1)];//h(n)
    //1.init x(n),h(n),y(n)
	CButton* pbtn = (CButton*) this->GetDlgItem(IDC_RADIO1);
	int nChoseItem = 0;//选择那个h(n)
	if(pbtn->GetCheck())
	{
		nChoseItem = 0;
	}
	else
	{
		nChoseItem = 1;
	}

	for(int i=0;i<2*(n+1);i++)
	{
		if(i<n+1)
		{
			x[i] = 1;
			h[i] = funcs[nChoseItem](i);
		}
		else
		{
			x[i] = 0;
			h[i] = 0;
		}
	}
	//2.y(i)=SUM(x(m)*h(i-m))  m=0..i
	for(i=0;i<2*(n+1);i++)
	{
		y[i] = Calcy(x,h,i);
	}
   

   char buffer[256];
   double source = y[n];

    _gcvt( source, 14, buffer);
	CWnd* pwnd = this->GetDlgItem(IDC_EDTRET);
	pwnd->SetWindowText(buffer);

	CDlgValues* pDlg = (CDlgValues*)this->m_Tab.GetDialog(0); 
	pDlg->SetGridValues(2*(n+1),x,h,y);

	delete[] x;
	delete[] y;
	delete[] h;
}
void CInterVolveDlg::OnBnClickedBtnclose()
{
	// TODO: 在此添加控件通知处理程序代码
	this->DestroyWindow();
}

void CInterVolveDlg::OnCancel()
{
	// TODO: 在此添加专用代码和/或调用基类

	CDialog::OnCancel();
}