mfcprjview.cpp

从MatlabSimulink模型到代码实现

// mfcprjView.cpp : implementation of the CMfcprjView class
//

#include "stdafx.h"
#include "mfcprj.h"

#include "mfcprjDoc.h"
#include "mfcprjView.h"
#include "matlab.h"

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

static double data[] = { 21, 3, 15, 57, 12, 83, 6, 90 };
/////////////////////////////////////////////////////////////////////////////
// CMfcprjView

IMPLEMENT_DYNCREATE(CMfcprjView, CView)

BEGIN_MESSAGE_MAP(CMfcprjView, CView)
	//{{AFX_MSG_MAP(CMfcprjView)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMfcprjView construction/destruction

CMfcprjView::CMfcprjView()
{
	// TODO: add construction code here

}

CMfcprjView::~CMfcprjView()
{
}

BOOL CMfcprjView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMfcprjView drawing

void CMfcprjView::OnDraw(CDC* pDC)
{
	CMfcprjDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	mysvd(pDC);
}

/////////////////////////////////////////////////////////////////////////////
// CMfcprjView printing

BOOL CMfcprjView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CMfcprjView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CMfcprjView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}
int CMfcprjView::mysvd(CDC *pDC)
{
	/* Initialize pointers to array arguments */
    mxArray *X = NULL;
    mxArray *U = NULL, *S = NULL, *V = NULL;
	char str[20*sizeof(double)];
	double *ptr;
	int nHeight=20;
	pDC->TextOut(0,0,"Hello Everyone!");
	pDC->TextOut(0,nHeight,"This is a demo of calling SVD function directly");
	pDC->TextOut(0,2*nHeight,"from Win32 Console Application,which has the");
	pDC->TextOut(0,3*nHeight,"siminar functionality as the MATLAB function");
	pDC->TextOut(0,4*nHeight,"SVD - Singular value decomposition.");

    mlfEnterNewContext(0, 0);
    mlfAssign(&X, mlfDoubleMatrix(4, 2, data, NULL));

    /* Compute the singular value decomposition and print it */
    mlfAssign(&S, mlfSvd(NULL, NULL, X, NULL));
    //mlfPrintf("One input, one output:\n");
	pDC->TextOut(0,7*nHeight,"One input, one output:");
    //mlfPrintf("S = \n"); mlfPrintMatrix(S);
	pDC->TextOut(0,8*nHeight,"S = ");
	ptr=mxGetPr(S);
	sprintf(str,"%12.4f",ptr[0]);
	pDC->TextOut(0,9*nHeight,str);
	sprintf(str,"%12.4f",ptr[1]);
	pDC->TextOut(0,10*nHeight,str);

    /* Multiple output arguments */
    mlfAssign(&U, mlfSvd(&S, &V, X, NULL));
    // mlfPrintf("One input, three outputs:\n");
	pDC->TextOut(0,12*nHeight,"One input, three outputs:");
    //mlfPrintf("U = \n"); mlfPrintMatrix(U); 
	pDC->TextOut(0,13*nHeight,"U = ");
	ptr=mxGetPr(U);
	sprintf(str,"%12.4f\t%12.4f\t%12.4f\t%12.4f",ptr[0],ptr[4],ptr[8],ptr[12]);
	pDC->TextOut(0,14*nHeight,str);
	sprintf(str,"%12.4f\t%12.4f\t%12.4f\t%12.4f",ptr[1],ptr[5],ptr[9],ptr[13]);
	pDC->TextOut(0,15*nHeight,str);
	sprintf(str,"%12.4f\t%12.4f\t%12.4f\t%12.4f",ptr[2],ptr[6],ptr[10],ptr[14]);
	pDC->TextOut(0,16*nHeight,str);
	sprintf(str,"%12.4f\t%12.4f\t%12.4f\t%12.4f",ptr[3],ptr[7],ptr[11],ptr[15]);
	pDC->TextOut(0,17*nHeight,str);
    //mlfPrintf("S = \n"); mlfPrintMatrix(S);
	pDC->TextOut(0,19*nHeight,"S = ");
	ptr=mxGetPr(S);
	sprintf(str,"%12.4f\t%12.4f",ptr[0],ptr[4]);
	pDC->TextOut(0,20*nHeight,str);
	sprintf(str,"%12.4f\t%12.4f",ptr[1],ptr[5]);
	pDC->TextOut(0,21*nHeight,str);
	sprintf(str,"%12.4f\t%12.4f",ptr[2],ptr[6]);
	pDC->TextOut(0,22*nHeight,str);
	sprintf(str,"%12.4f\t%12.4f",ptr[3],ptr[7]);
	pDC->TextOut(0,23*nHeight,str);
    //mlfPrintf("V = \n"); mlfPrintMatrix(V);
	pDC->TextOut(0,25*nHeight,"V = ");
	ptr=mxGetPr(V);
	sprintf(str,"%12.4f\t%12.4f",ptr[0],ptr[2]);
	pDC->TextOut(0,26*nHeight,str);
	sprintf(str,"%12.4f\t%12.4f",ptr[1],ptr[3]);
	pDC->TextOut(0,27*nHeight,str);

    /* Multiple input and output arguments */
    mlfAssign(&U, mlfSvd(&S, &V, X, mlfScalar(0.0)));
    //mlfPrintf("Two inputs, three outputs:\n");
	pDC->TextOut(0,29*nHeight,"Two input, three outputs:");
    //mlfPrintf("U = \n"); mlfPrintMatrix(U);
	pDC->TextOut(0,30*nHeight,"U = ");
	ptr=mxGetPr(U);
	sprintf(str,"%12.4f\t%12.4f",ptr[0],ptr[4]);
	pDC->TextOut(0,31*nHeight,str);
	sprintf(str,"%12.4f\t%12.4f",ptr[1],ptr[5]);
	pDC->TextOut(0,32*nHeight,str);
	sprintf(str,"%12.4f\t%12.4f",ptr[2],ptr[6]);
	pDC->TextOut(0,33*nHeight,str);
	sprintf(str,"%12.4f\t%12.4f",ptr[3],ptr[7]);
	pDC->TextOut(0,34*nHeight,str);
    //mlfPrintf("S = \n"); mlfPrintMatrix(S);
	pDC->TextOut(0,36*nHeight,"S = ");
	ptr=mxGetPr(S);
	sprintf(str,"%12.4f\t%12.4f",ptr[0],ptr[2]);
	pDC->TextOut(0,37*nHeight,str);
	sprintf(str,"%12.4f\t%12.4f",ptr[1],ptr[3]);
	pDC->TextOut(0,38*nHeight,str);
    //mlfPrintf("V = \n"); mlfPrintMatrix(V);
	pDC->TextOut(0,40*nHeight,"V = ");
	ptr=mxGetPr(V);
	sprintf(str,"%12.4f\t%12.4f",ptr[0],ptr[2]);
	pDC->TextOut(0,41*nHeight,str);
	sprintf(str,"%12.4f\t%12.4f",ptr[1],ptr[3]);
	pDC->TextOut(0,42*nHeight,str);

    mxDestroyArray(X);
    mxDestroyArray(U);
    mxDestroyArray(S);
    mxDestroyArray(V);
    mlfRestorePreviousContext(0, 0);
    return(EXIT_SUCCESS);
} 

/////////////////////////////////////////////////////////////////////////////
// CMfcprjView diagnostics

#ifdef _DEBUG
void CMfcprjView::AssertValid() const
{
	CView::AssertValid();
}

void CMfcprjView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CMfcprjDoc* CMfcprjView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMfcprjDoc)));
	return (CMfcprjDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMfcprjView message handlers