xllview.cpp

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// xllView.cpp : implementation of the CXllView class
//

#include "stdafx.h"
#include "xll.h"

#include "xllDoc.h"
#include "xllView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CXllView

IMPLEMENT_DYNCREATE(CXllView, CView)

BEGIN_MESSAGE_MAP(CXllView, CView)
	//{{AFX_MSG_MAP(CXllView)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CXllView construction/destruction

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

}

CXllView::~CXllView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CXllView drawing

void CXllView::OnDraw(CDC* pDC)
{
	CXllDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	int OX=300,OY=200;
	 int x1=50,y1=-100,x2=200,y2=-50,x3=70,y3=-30;
	 CPen p1(PS_SOLID,4,RGB(0,0,0));
	 CPen *pOldPen = NULL;
	 pDC->SelectObject(&p1);
	 pDC->MoveTo(0,200);
     pDC->LineTo(1200,200);
	 pDC->MoveTo(300,0);
     pDC->LineTo(300,1000);
	 POINT pt[3]={{OX+x1,OY+y1},{OX+x2,OY+y2},{OX+x3,OY+y3}};
	 CPen p2(PS_SOLID,3,RGB(100,250,110));
	 pDC->SelectObject(&p2);
	 pDC->Polygon(pt,3);
	 
	 //关于X轴对称
	int y11=xduicheng(y1);
    int	 y22=xduicheng(y2);
    int	 y33=xduicheng(y3);
	

	 POINT pt1[3]={{OX+x1,OY+y11},{OX+x2,OY+y22},{OX+x3,OY+y33}};
	 pDC->Polygon(pt1,3);
	 
	 //关于圆点对称
	 int a[3][2]={{x1,y1},{x2,y2},{x3,y3}};
	 yuandian( a);
	 POINT pt2[3]={{OX+a[0][0],OY+a[0][1]},{OX+a[1][0],OY+a[1][1]},{OX+a[2][0],OY+a[2][1]}};
     pDC->Polygon(pt2,3);
	 
	 //关于45度直线对称

     int b[3][2]={{x1,y1},{x2,y2},{x3,y3}};
	   xiedc(b);
	   pDC->MoveTo(OX+b[0][0],OY+b[0][1]);
	   pDC->LineTo(OX+b[1][0],OY+b[1][1]);
	   pDC->LineTo(OX+b[2][0],OY+b[2][1]);
	   pDC->LineTo(OX+b[0][0],OY+b[0][1]);
	 
	  
	  //根据比例画图
	int c[3][2]={{x1,y1},{x2,y2},{x3,y3}};
	int d[2][2]={{2,0},{0,1}};
	bili(c,d);
	 pDC->MoveTo(OX+c[0][0],OY+c[0][1]);
	 pDC->LineTo(OX+c[1][0],OY+c[1][1]);
	 pDC->LineTo(OX+c[2][0],OY+c[2][1]);
	 pDC->LineTo(OX+c[0][0],OY+c[0][1]);
//	POINT pt4[3]={{OX+c[0][0],OY+c[0][1]},{OX+c[1][0],OY+c[1][1]},{OX+c[2][0],OY+c[2][1]}};
	  //pDC->Polygon(pt4,3);
	  


	 
}

/////////////////////////////////////////////////////////////////////////////
// CXllView printing

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

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

void CXllView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CXllView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CXllView message handlers

int CXllView::xduicheng(int y)
{
	int m;
    m=-y;
	return m;

}


void CXllView::yuandian(int a[][2])
{ for (int i=0;i<3;i++)

{ 
	for(int j=0;j<2;j++)
		a[i][j]=-a[i][j];}


}

void CXllView::xiedc(int a[][2])
{   int t;
	for (int i=0;i<3;i++)
	{ t= a[i][0];
	  a[i][0]=-a[i][1];
	  a[i][1]=-t;}


	



}


void CXllView::bili(int c[][2], int d[][2])
{  for(int j=0;j<2;j++)
{ int	p=d[j][j];
 	 for(int i=0;i<3;i++)
		 c[i][j]=p*c[i][j];}
	

}