做网站如何注意排版问题,wamp配置多个网站,seo诊断优化方案,株洲网站排名编写二次插值样条曲线生成函数#xff0c;然后利用该函数根据自己设计的型值点绘制出相应的曲线图形。
// erView.cpp : implementation of the CErView class
//#include stdafx.h
#include er.h#include erDoc.h
#include erVie…编写二次插值样条曲线生成函数然后利用该函数根据自己设计的型值点绘制出相应的曲线图形。
// erView.cpp : implementation of the CErView class
//#include stdafx.h
#include er.h#include erDoc.h
#include erView.h#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] __FILE__;
#endif/
// CErView
void er(POINT *p,int n,CDC* pDC)
{int x,y,i,j,k10;double t1,t2,t3,t,a,b,c,d;p[0].xp[1].x;p[0].yp[1].y;p[n1].xp[n].x;p[n1].yp[n].y;t0.5/k;pDC-MoveTo(p[1].x,p[1].y);for(i1;in;i){for(j1;jk;j){t1j*t;t2t1*t1;t3t1*t2;a4.0*t2-t1-4.0*t3; b1.0-10.0*t212.0*t3; ct18.0*t2-12.0*t3; d4.0*t3-2.0*t2; x(int)(a*p[i-1].xb*p[i].xc*p[i1].xd*p[i2].x);y(int)(a*p[i-1].yb*p[i].yc*p[i1].yd*p[i2].y);pDC-LineTo(x,y);}pDC-LineTo(p[i1].x,p[i1].y);}
}IMPLEMENT_DYNCREATE(CErView, CView)BEGIN_MESSAGE_MAP(CErView, CView)//{{AFX_MSG_MAP(CErView)// 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 commandsON_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()/
// CErView construction/destructionCErView::CErView()
{// TODO: add construction code here}CErView::~CErView()
{
}BOOL CErView::PreCreateWindow(CREATESTRUCT cs)
{// TODO: Modify the Window class or styles here by modifying// the CREATESTRUCT csreturn CView::PreCreateWindow(cs);
}/
// CErView drawingvoid CErView::OnDraw(CDC* pDC)
{CErDoc* pDoc GetDocument();ASSERT_VALID(pDoc);// TODO: add draw code for native data hereint n4;POINT ps[6];ps[1].x25;ps[1].y400;ps[2].x100;ps[2].y100;ps[3].x175;ps[3].y400;ps[4].x250;ps[4].y100;er(ps,n,pDC);}/
// CErView printingBOOL CErView::OnPreparePrinting(CPrintInfo* pInfo)
{// default preparationreturn DoPreparePrinting(pInfo);
}void CErView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{// TODO: add extra initialization before printing
}void CErView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{// TODO: add cleanup after printing
}/
// CErView diagnostics#ifdef _DEBUG
void CErView::AssertValid() const
{CView::AssertValid();
}void CErView::Dump(CDumpContext dc) const
{CView::Dump(dc);
}CErDoc* CErView::GetDocument() // non-debug version is inline
{ASSERT(m_pDocument-IsKindOf(RUNTIME_CLASS(CErDoc)));return (CErDoc*)m_pDocument;
}
#endif //_DEBUG/
// CErView message handlers编写任意阶次的Bezier曲线生成函数然后利用该函数根据自己设计的控制点绘制出相应的曲线图形。
// renView.cpp : implementation of the CRenView class
//#include stdafx.h
#include ren.h#include renDoc.h
#include renView.h#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] __FILE__;
#endif/
// CRenView
double powi(double v,int k){double temp1.0;if(k0||v0)return 1;else {for(int i1;ik;i)temptemp*v;}return temp;}long fac(int m){int i;long temp1;if(m1)return 1;else {for(i2;im;i)temptemp*i;}return temp;}void Bezier(POINT *p,int n,CDC *pDC){int x,y,i,j,k100;double t1.0/k,t1,u,v;double temp,temp1,temp2,bi;pDC-MoveTo(p[0].x,p[0].y);for(j1;jk;j){t1j*t;ut1;v1-u;x0;y0;for(i0;in;i){tempdouble(fac(n)/fac(i)/fac(n-i));temp1powi(u,i);temp2powi(v,n-i);bitemp*temp1*temp2;xxbi*p[i].x;yybi*p[i].y;}pDC-LineTo(x,y);}pDC-LineTo(p[n].x,p[n].y);}IMPLEMENT_DYNCREATE(CRenView, CView)BEGIN_MESSAGE_MAP(CRenView, CView)//{{AFX_MSG_MAP(CRenView)// 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 commandsON_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()/
// CRenView construction/destructionCRenView::CRenView()
{// TODO: add construction code here}CRenView::~CRenView()
{
}BOOL CRenView::PreCreateWindow(CREATESTRUCT cs)
{// TODO: Modify the Window class or styles here by modifying// the CREATESTRUCT csreturn CView::PreCreateWindow(cs);
}/
// CRenView drawingvoid CRenView::OnDraw(CDC* pDC)
{CRenDoc* pDoc GetDocument();ASSERT_VALID(pDoc);int n5;CPoint ps[6]{CPoint(25,400),CPoint(100,100),CPoint(170,400),CPoint(250,20),CPoint(450,300),CPoint(350,400)};CPen pen1(PS_DASHDOT,1,RGB(28,28,28));pDC-SelectObject(pen1);pDC-Polyline(ps,6);CPen pen2(PS_DASHDOT,2,RGB(255,0,0));pDC-SelectObject(pen2);Bezier(ps,n,pDC);
} /
// CRenView printingBOOL CRenView::OnPreparePrinting(CPrintInfo* pInfo)
{// default preparationreturn DoPreparePrinting(pInfo);
}void CRenView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{// TODO: add extra initialization before printing
}void CRenView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{// TODO: add cleanup after printing
}/
// CRenView diagnostics#ifdef _DEBUG
void CRenView::AssertValid() const
{CView::AssertValid();
}void CRenView::Dump(CDumpContext dc) const
{CView::Dump(dc);
}CRenDoc* CRenView::GetDocument() // non-debug version is inline
{ASSERT(m_pDocument-IsKindOf(RUNTIME_CLASS(CRenDoc)));return (CRenDoc*)m_pDocument;
}
#endif //_DEBUG/
// CRenView message handlers编写三次B样条曲线生成函数然后利用该函数根据自己设计的控制点绘制出相应的曲线图形。
// sanView.cpp : implementation of the CSanView class
//#include stdafx.h
#include san.h#include sanDoc.h
#include sanView.h#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] __FILE__;
#endif/
// CSanView
void BSpLine(POINT *p,int n,CDC* pDC)
{int x,y,i,j,k1000;double t,t1,t2,t3,a,b,c,d;t1.0/k;p[0].x2*p[1].x-p[2].x;p[0].y2*p[1].y-p[2].y;p[n].x2*p[n-1].x-p[n-2].x;p[n].y2*p[n-1].y-p[n-2].y;pDC-MoveTo(p[1].x,p[1].y);for(i1;in-1;i)for(j1;jk;j){t1j*t;t2t1*t1;t3t2*t1;a(3*t2-t3-3*t11)/6;b(3*t3-6*t24)/6;c(3*t2-3*t33*t11)/6;dt3/6;xint(a*p[i-1].xb*p[i].xc*p[i1].xd*p[i2].x);yint(a*p[i-1].yb*p[i].yc*p[i1].yd*p[i2].y);pDC-LineTo(x,y);}
}IMPLEMENT_DYNCREATE(CSanView, CView)BEGIN_MESSAGE_MAP(CSanView, CView)//{{AFX_MSG_MAP(CSanView)// 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 commandsON_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()/
// CSanView construction/destructionCSanView::CSanView()
{// TODO: add construction code here}CSanView::~CSanView()
{
}BOOL CSanView::PreCreateWindow(CREATESTRUCT cs)
{// TODO: Modify the Window class or styles here by modifying// the CREATESTRUCT csreturn CView::PreCreateWindow(cs);
}/
// CSanView drawingvoid CSanView::OnDraw(CDC* pDC)
{CSanDoc* pDoc GetDocument();ASSERT_VALID(pDoc);// TODO: add draw code for native data hereint n5;POINT ps[6];ps[1].x350;ps[1].y250;ps[2].x500;ps[2].y20;ps[3].x600;ps[3].y250;ps[4].x750;ps[4].y30;CPen pen1(PS_DASHDOT,2,RGB(0,0,255));pDC-SelectObject(pen1);BSpLine(ps,n,pDC);CPen pen2(PS_DASHDOT,1,RGB(28,28,28));pDC-SelectObject(pen2);pDC-Polyline(ps,6);} /
// CSanView printingBOOL CSanView::OnPreparePrinting(CPrintInfo* pInfo)
{// default preparationreturn DoPreparePrinting(pInfo);
}void CSanView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{// TODO: add extra initialization before printing
}void CSanView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{// TODO: add cleanup after printing
}/
// CSanView diagnostics#ifdef _DEBUG
void CSanView::AssertValid() const
{CView::AssertValid();
}void CSanView::Dump(CDumpContext dc) const
{CView::Dump(dc);
}CSanDoc* CSanView::GetDocument() // non-debug version is inline
{ASSERT(m_pDocument-IsKindOf(RUNTIME_CLASS(CSanDoc)));return (CSanDoc*)m_pDocument;
}
#endif //_DEBUG/
// CSanView message handlers
