?? btworthfilterview.cpp
字號(hào):
// BtworthFilterView.cpp : implementation of the CBtworthFilterView class
//
#include "stdafx.h"
#include "BtworthFilter.h"
#include "BtworthFilterDoc.h"
#include "BtworthFilterView.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CBtworthFilterView
IMPLEMENT_DYNCREATE(CBtworthFilterView, CView)
BEGIN_MESSAGE_MAP(CBtworthFilterView, CView)
//{{AFX_MSG_MAP(CBtworthFilterView)
ON_COMMAND(ID_BUTTON32771, OnButton32771)
//}}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()
/////////////////////////////////////////////////////////////////////////////
// CBtworthFilterView construction/destruction
CBtworthFilterView::CBtworthFilterView()
{
// TODO: add construction code here
}
CBtworthFilterView::~CBtworthFilterView()
{
}
BOOL CBtworthFilterView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CBtworthFilterView drawing
void CBtworthFilterView::OnDraw(CDC* pDC)
{
CBtworthFilterDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
}
/////////////////////////////////////////////////////////////////////////////
// CBtworthFilterView printing
BOOL CBtworthFilterView::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CBtworthFilterView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CBtworthFilterView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CBtworthFilterView diagnostics
#ifdef _DEBUG
void CBtworthFilterView::AssertValid() const
{
CView::AssertValid();
}
void CBtworthFilterView::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CBtworthFilterDoc* CBtworthFilterView::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CBtworthFilterDoc)));
return (CBtworthFilterDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CBtworthFilterView message handlers
void CBtworthFilterView::OnButton32771()
{
CPen curPen(PS_SOLID,1,RGB(0,0,0));
CClientDC theClientDC(this);
theClientDC.MoveTo(0,400) ;
theClientDC.LineTo(900,400);
for(int i=0;i<=300;i+=60)
{
theClientDC.MoveTo(i*3,400-20) ;
theClientDC.LineTo(i*3,400+20) ;
}
CButterworthDesigner ButterworthDesigner;
double x[300];
double y[300];
double b[200];
double a[200];
// ButterworthDesigner.ButterworthLowPassDesign(512.0,b,a);
// ButterworthDesigner.ButterworthGainC(b,a,2,x,y);
// theClientDC.MoveTo(0*3,400-(int)(x[0]*300.0)) ;
// for(i=0;i<300;i++)
// {
// theClientDC.LineTo(i*3,400-(int)(x[i]*300.0)) ;
// }
ButterworthDesigner.ButterworthBandPassDesign(0.0,31.0,b,a);
ButterworthDesigner.ButterworthGainC(b,a,4,x,y);
theClientDC.MoveTo(0,400-(int)(x[0]*300.0)) ;
for(i=0;i<300;i++)
{
theClientDC.LineTo(i*3,400-(int)(x[i]*300.0)) ;
}
}
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