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Using MatLab Add-in for MS Visual Studio 6

, 4 Jul 2003 CPOL
How to Use the MatLab Add-in for MSVC++ 6
matlab_add_in.zip
res
conv.ico
conv.dsp
conv.dsp.org
conv.dsp.tmp
conv.dsw
mcc.mak
mcc-files.txt.bak
MyFunc.m
MyFunc_master.rsp
bin
FigureMenuBar.fig
FigureToolBar.fig
// convDlg.cpp : implementation file
//

#include "stdafx.h"
#include "conv.h"
#include "convDlg.h"

#include "matlab.h"

#include "MyFunc.h"

#include "vcdatagrid.h"

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

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CConvDlg dialog

CConvDlg::CConvDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CConvDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CConvDlg)
		// 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 CConvDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CConvDlg)
	DDX_Control(pDX, IDC_MSCHART1, m_Chart);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CConvDlg, CDialog)
	//{{AFX_MSG_MAP(CConvDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnConv)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CConvDlg message handlers

BOOL CConvDlg::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
	double x1[]={1,2,3,4,5,6,7,8,9,0};
	double x2[]={4,5,6,7,4,5,8,9,0,7};
	m_Chart.SetColumnCount(3);
	m_Chart.SetRowCount(10);

	m_Chart.SetColumn(1);
	m_Chart.SetColumnLabel("X1");

	m_Chart.SetColumn(2);
	m_Chart.SetColumnLabel("X2");

	m_Chart.SetColumn(3);
	m_Chart.SetColumnLabel("CONV(X1,X)");

	int dec=0;
	int sign=0;
	
	CString value;

	
	for(int n=0;n<10;n++)
	{
		
		m_Chart.SetColumn(1);
		m_Chart.SetRow(n+1);
		value=do2CStr(x1[n]);
		m_Chart.SetData(value);
		value=do2CStr(n);
		m_Chart.SetRowLabel(value);
		
		m_Chart.SetColumn(2);
		m_Chart.SetRow(n+1);
		value=do2CStr(x2[n]);
		m_Chart.SetData(value);
		value=do2CStr(n);
		m_Chart.SetRowLabel(value);
		
		
	}

	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CConvDlg::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 CConvDlg::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();
	}
}

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

void CConvDlg::OnConv() 
{
	// TODO: Add your control notification handler code here
	//x1 and x2 are the input array to do the computation
	//res will have the result, we already know that the length 
	//of the convolution of 2 vectors is (length(x1)+length(x2)-1)=19
	double x1[]={1,2,3,4,5,6,7,8,9,0};
	double x2[]={4,5,6,7,4,5,8,9,0,7};
	double res[19];
	//create the arrays that will be passed to MyFunc
	mxArray* In1;
	mxArray* In2;
	mxArray* Out;
	//we make them Real and have 10 values
	In1=mxCreateDoubleMatrix(1,10,mxREAL);
	In2=mxCreateDoubleMatrix(1,10,mxREAL);
	
	//this make In1=x1;In2=x2
	memcpy(mxGetPr(In1),x1,10*sizeof(double));
	memcpy(mxGetPr(In2),x2,10*sizeof(double));
	//Call to MyFunc.m that return the convolution of In1 and In2
	Out=mlfMyFunc(In1,In2);
	//now we have the result(Out) in a double array 'res'
	memcpy(res,mxGetPr(Out),19*sizeof(double));



	//Destroy matrices
	mxDestroyArray(Out);
	mxDestroyArray(In1);
	mxDestroyArray(In2);

	
	
	//here I configure the MSChart to display the data
	//if you don�t want to display data don�t copy this part
	m_Chart.SetColumnCount(3);
	m_Chart.SetRowCount(19);

	int dec=0;
	int sign=0;
	
	CString value;

	
	for(int n=0;n<19;n++)
	{
		if(n<11)
		{
			m_Chart.SetColumn(1);
			m_Chart.SetRow(n+1);
			value=do2CStr(x1[n]);
			m_Chart.SetData(value);

			m_Chart.SetColumn(2);
			m_Chart.SetRow(n+1);
			value=do2CStr(x2[n]);
			m_Chart.SetData(value);

		}
		m_Chart.SetColumn(3);
		m_Chart.SetRow(n+1);
		value=do2CStr(res[n]);


		m_Chart.SetData(value);
		value=do2CStr(n);
		m_Chart.SetRowLabel(value);
	}




	
}

CString CConvDlg::do2CStr(double variable)
{
	
	int  decimal, sign;
	char *buffer;
	buffer = _fcvt( variable, 5 ,&decimal, &sign );
	int len=strlen(buffer);
	CString numero(buffer);	
	CString valor;
	if(sign)//negative value
		valor="-"+numero.Left(decimal)+"."+numero.Right(len-decimal);
	else
		valor=numero.Left(decimal)+"."+numero.Right(len-decimal);
	return valor;

}

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About the Author

Cambalindo
Software Developer Motorola
United States United States
Daniel Cespedes is now working on his final project to get the Electrical Engineering degree at the National University of Technology in Cordoba Argentina. He is developing a Computerized system for the study of Human Echolocation, the ability to detect obstacles with the echoes of self generated sounds.(yes like bats!!) at the CINTRA (Centro de Investigación y Transferencia Acústica).He uses MsVisual C++ 6 as a developing tool. He also work at the Software Research Lab at the University.
He comes from Sta.Cruz de la Sierra-Bolivia a paradise in SouthAmerica´s heart, where you can find pure air, nature contact, happy people, beautiful women etc.

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