matdlg.cpp

一个非常典型的”VC调用matlab中定义的.m文件中的函数的实例“附加说明文档

// matDlg.cpp : implementation file
//

#include "stdafx.h"
#include "mat.h"
#include "matDlg.h"
#include "ppp.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
CRect rect;
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

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

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

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

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMatDlg dialog

CMatDlg::CMatDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMatDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMatDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

}

void CMatDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMatDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMatDlg, CDialog)
	//{{AFX_MSG_MAP(CMatDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMatDlg message handlers

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

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	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);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CMatDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		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;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
	GetClientRect(&rect);
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMatDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CMatDlg::OnButton1() 
{   //在matlab中定义的m文件中包含函数:myfunct(a,b)，其功能是完成两个数的相加操作。这里为了简单易学，先定义个简单的了：）
    CString str;
	UpdateData(true);
	pppInitialize();
	//为了调用matlab中的函数，必须使用数组数据类型，并其后调用matlab函数将其转化为矩阵格式（matlab的基本数据类型是矩阵）
	static double x1[1]={1.0};
	static double x2[1]={2.5};
	double result;
	//调用matlab创建3个矩阵
	mxArray *A=mclGetUninitializedArray();
	mxArray *B=mclGetUninitializedArray();
	mxArray *C=mclGetUninitializedArray();
	//将C语言中的变量值赋给matlab中的矩阵
	mlfAssign(&A,mlfDoubleMatrix(1,1,x1,NULL));
	mlfAssign(&B,mlfDoubleMatrix(1,1,x2,NULL));
    mlfAssign(&C,mlfMyfunct(A,B));
	//将matlab中的矩阵的指针传递给C语言中的指向double的指针
    double * md=mxGetPr(C);
	result=md[0];
	mxDestroyArray(A);
	mxDestroyArray(B);
	mxDestroyArray(C);
	str.Format ("It is : %f",result);
	::AfxMessageBox(str);
}