computerview.cpp

MFC界面:1.模拟立方体摄像机成像2.区域录属判别. 实验一:点击实验一下的摄像机成像,生成初始化的投影图像,再拖动鼠标

// computerView.cpp : implementation of the CComputerView class
//

#include "stdafx.h"
#include "computer.h"

#include "computerDoc.h"
#include "computerView.h"
#include <math.h>
#include <stdlib.h>

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

typedef struct two_dim
{
	double x;
	double y;
}TWO;

typedef struct three_dim
{
	double x;
	double y;
	double z;
}THREE;


bool exp1=false,exp2=false,exp3=false,flag=false,flag1=false;
int co_x,co_y,x=0,y=0;
int radius=100,margin=200,i;
CDC* pdc1;
CPoint givepoint;


/////////////////////////////////////////////////////////////////////////////
// CComputerView

IMPLEMENT_DYNCREATE(CComputerView, CView)

BEGIN_MESSAGE_MAP(CComputerView, CView)
	//{{AFX_MSG_MAP(CComputerView)
	ON_COMMAND(ID_Experiment1, OnExperiment1)
	ON_COMMAND(ID_Experiment2, OnExperiment2)
	ON_COMMAND(ID_Experiment3, OnExperiment3)
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CComputerView construction/destruction

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

}

CComputerView::~CComputerView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CComputerView drawing

void CComputerView::OnDraw(CDC* pDC)
{
	CComputerDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	pdc1=pDC;
	co_x=350,co_y=200;
    pDC->SetViewportOrg(co_x,co_y); 
    if(exp1||flag1)
	{
		Classify(x,y);		
	}
	if(exp2)
	{		
		double x1,y1;
		double Pi=4*atan(1);
		pDC->MoveTo(radius,0);
		CPen pen(PS_SOLID,1,RGB(205,38,38));
		CPen *oldPen=pDC->SelectObject(&pen);
		for(i=0;i<=360;i=i+1)
		{
			x1=radius*cos(2*Pi*i/360);
			y1=radius*sin(2*Pi*i/360);
			pDC->LineTo(int(x1),int(y1));
		}
		CPen Pen1(PS_SOLID, 1, RGB(0,0,255));
		pDC->SelectObject(&Pen1);
        pDC->MoveTo(0,0);
		pDC->LineTo(-margin,0);
		pDC->LineTo(-margin,margin);
		pDC->LineTo(0,margin);
		pDC->LineTo(0,0);
	}

}

/////////////////////////////////////////////////////////////////////////////
// CComputerView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CComputerView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////

void CComputerView::OnExperiment1() 
{
	// TODO: Add your command handler code here
	exp1=true;
	exp2=false;
    exp3=false;
	Invalidate();
}

void CComputerView::OnExperiment2() 
{
	// TODO: Add your command handler code here

	exp1=false;
	exp2=true;
    exp3=false;
	flag1=false;
	Invalidate();
}

void CComputerView::OnExperiment3() 
{
	// TODO: Add your command handler code here
	exp1=false;
	exp2=true;
    exp3=true;
	flag1=false;
	Invalidate();
}

void CComputerView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	//TODO: Add your message handler code here and/or call default
	//COLORREF crColor=0x00ff00;
        CPoint givepoint=point;
		flag=true;
		flag1=false;
    //pDC->SetPixel(givepoint.x,givepoint.y,crColor);
		int p1,q1,dist1,p2,q2,dist2;
		p1=givepoint.x-co_x;
		q1=givepoint.y-co_y;
		dist1=int(sqrt(p1*p1+q1*q1));
		p2=int(abs(givepoint.x+margin/2-co_x));
		q2=int(abs(givepoint.y-margin/2-co_y));
		    dist2=Max(p2,q2);

	    if(exp1)
		{	

		}
		else if(exp3)
		{
			if(dist1<100)
			{
				if(dist2<100)
					AfxMessageBox( "属于圆与正方形交集");
				else
					AfxMessageBox( "只属于圆");
			}
			else
			{
				if(dist2<100)
					AfxMessageBox( "只属于正方形");
				else
					AfxMessageBox( "属于背景");
			}
		}

	CView::OnLButtonDown(nFlags, point);
}



void CComputerView::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	flag=false;
	if(exp1)
	{
		flag1=true;
		srand( (unsigned)time( NULL ));
		x=rand()%15;
		y=rand()%15;
		Invalidate();

	}
	CView::OnLButtonUp(nFlags, point);
}


int CComputerView::Max(int a, int b)
{
	if(abs(a)>abs(b))
		return a;
	else
		return b;

}

void CComputerView::Classify(int cent_x, int cent_y)
{
	    int length=20,len=length/2,cent_z=34,z1=cent_z-len,z2=cent_z+len;
		int f_x1=cent_x+len,f_x2=cent_x-len,
		f_y1=cent_y+len,f_y2=cent_y-len;
		THREE three[8]={{f_x1,f_y2,z1},{f_x2,f_y2,z1},{f_x2,f_y1,z1},{f_x1,f_y1,z1},
		{f_x1,f_y2,z2},{f_x2,f_y2,z2},{f_x2,f_y1,z2},{f_x1,f_y1,z2}};
	    TWO two[8];
		int f=8,i;
		for(i=0;i<8;++i)
		{
			two[i].x=15*f*three[i].x/(f-three[i].z);
			two[i].y=15*f*three[i].y/(f-three[i].z);
		}
		CPen pen(PS_SOLID,1,RGB(205,38,38));
		CPen *oldPen=pdc1->SelectObject(&pen);
		pdc1->MoveTo(int(two[0].x),int(two[0].y)); 
		for(i=1;i<4;++i)
           pdc1->LineTo(int(two[i].x),int(two[i].y)); 
		pdc1->LineTo(int(two[0].x),int(two[0].y)); 
		pdc1->MoveTo(int(two[4].x),int(two[4].y)); 
		CPen pen1(PS_DASH,1,RGB(0,0,255));
		pdc1->SelectObject(&pen1);
		for(i=4;i<8;++i)
			pdc1->LineTo(int(two[i].x),int(two[i].y)); 
		pdc1->LineTo(int(two[4].x),int(two[4].y));
		CPen pen2(PS_DASH,1,RGB(224,102,255));
		pdc1->SelectObject(&pen2);
		for(i=0;i<4;++i)
		{
			pdc1->MoveTo(int(two[0+i].x),int(two[0+i].y));
			pdc1->LineTo(int(two[4+i].x),int(two[4+i].y)); 
		}

}