mineview.cpp

这是我自己写的从数据库中读出数据

// MineView.cpp : implementation of the CMineView class
//

#include "stdafx.h"
#include "Mine.h"

#include "MineDoc.h"
#include "MineView.h"
#include "ReadData.h"
#include "math.h"
#include "DB.h"



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

extern _ConnectionPtr g_pConnection;

extern CNode *g_pNodeHead;
extern CEdge *g_pEdgeHead;
extern CPolygon *g_pPolygonHead;

extern int g_nNodeNum;
extern int g_nEdgeNum;
extern int g_nPolygonNum;

extern float g_fXMin;
extern float g_fXMax;
extern float g_fYMin;
extern float g_fYMax;
extern float g_fZMin;
extern float g_fZMax;

extern float g_fXTranslation;
extern float g_fYTranslation;
extern float g_fZTranslation;
extern float g_fXZoom;
extern float g_fYZoom;
extern float g_fZZoom;
extern float g_fSize;
extern float size;//冗差控制

extern bool g_bCreateTin;
extern bool g_bCreateTinBody;

extern int g_nCurrentLayer;
extern int g_nMaxLayer;

extern bool g_bInit;

/////////////////////////////////////////////////////////////////////////////
// CMineView

IMPLEMENT_DYNCREATE(CMineView, CView)

BEGIN_MESSAGE_MAP(CMineView, CView)
	//{{AFX_MSG_MAP(CMineView)
	ON_COMMAND(ID_SHOWDB, OnShowdb)
	ON_COMMAND(ID_SHOWTIN, OnShowtin)
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	ON_COMMAND(ID_CDLINE, OnInsertCDLine)
	ON_WM_MOUSEMOVE()
	ON_COMMAND(ID_SHOWCDTIN, OnShowcdtin)
	ON_COMMAND(ID_SHOWCLINFORM, OnShowCLInform)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CMineView construction/destruction

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

	m_bDraw = FALSE;

	m_ptOrigin=0;
	m_nDrawType=0;

	bCreateTin = false;//形成Tin网控制变量
	bCreateTinBody = false;//形成体控制变量
	bDisplayTin = false;//TIN网显示控制变量
	bDisplayTinBody = false;//TIN网成体显示控制变量
}

CMineView::~CMineView()
{
}

BOOL CMineView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
    //设置窗口类型
	cs.style |=WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMineView drawing

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

/////////////////////////////////////////////////////////////////////////////
// CMineView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMineView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMineView message handlers

void CMineView::OnShowdb() 
{
	// TODO: Add your command handler code here
	if (m_nDrawType==0)
	{
		CReadData readdata;
	    readdata.ReadAdoData();
        
	}
	m_nDrawType=1;
	Invalidate();
	
}

void CMineView::OnShowtin() 
{
	// TODO: Add your command handler code here
	if (m_nDrawType==1)
	{
	
		if (!g_bCreateTin)
		{
		   tin.CreateTin();
		   ShowTin();
		   g_bCreateTin = true;
		}
		
	    
	}
	m_nDrawType=2;
	
 	
}

void CMineView::DrawPoint()
{
	CClientDC dc(this);
	CNode  *node;
	node=g_pNodeHead->next ;
	
    //float x,y;
    CString Str_Pname;
	
	CPen pen(1,1,RGB(0,0,255));
	CPen* pOldPen ;
	pOldPen = dc.SelectObject(&pen);
	while(node!=g_pNodeHead)
	{
	
        Str_Pname.Format("%d",node->m_nNodeID );
		dc.Ellipse((int)node->x-2,(int)node->y-2,(int)node->x+2,(int)node->y+2);
	//	dc.TextOut((int)node->x+1,(int)node->y+1,Str_Pname);
		node=node->next ;
	}
    dc.SelectObject(pOldPen);

}



//DEL void CMineView::OnOpendbAccess()
//DEL {
//DEL    
//DEL 	CDB db;//数据库变量
//DEL 		  
//DEL 	db.ConnectDataBase(1,"DB\\地面点.MDB");	
//DEL 	//读取数据
//DEL 	CReadData readdata;
//DEL 	readdata.ReadAdoData()
//DEL }

void CMineView::ShowTin()
{
	CClientDC dc(this);
	CPen pen(PS_SOLID,1,RGB(0,0,255));
	CPen* pOldPen ;
	pOldPen = dc.SelectObject(&pen);
	CPolygon *pf;
	pf=g_pPolygonHead->next;int i=0;
	while(pf!=g_pPolygonHead)
	{
		dc.MoveTo((int)pf->m_pConsistNodes[0]->x,(int)pf->m_pConsistNodes[0]->y );
        dc.LineTo((int)pf->m_pConsistNodes[1]->x,(int)pf->m_pConsistNodes[1]->y );
		dc.MoveTo((int)pf->m_pConsistNodes[1]->x,(int)pf->m_pConsistNodes[1]->y);
        dc.LineTo((int)pf->m_pConsistNodes[2]->x,(int)pf->m_pConsistNodes[2]->y );
		dc.MoveTo((int)pf->m_pConsistNodes[2]->x,(int)pf->m_pConsistNodes[2]->y );
        dc.LineTo((int)pf->m_pConsistNodes[0]->x,(int)pf->m_pConsistNodes[0]->y );
		pf=pf->next ;
		i++;
	}
	dc.SelectObject(pOldPen);

}

void CMineView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	if (m_nDrawType==2)
	{
		m_ptOrigin=point;
	    m_ptEnd=point;	
	
	    m_bDraw = TRUE;
	}
	
    m_nDrawType=2;
	CView::OnLButtonDown(nFlags, point);
}


#include "InformDlg.h"
void CMineView::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	if (m_nDrawType==2)
	{
		if (m_ptOrigin.x>g_fXMax||m_ptOrigin.x<g_fXMin||m_ptOrigin.y>g_fYMax||m_ptOrigin.y<g_fYMin||m_ptEnd.x>g_fXMax||m_ptEnd.x<g_fXMin||m_ptEnd.y>g_fYMax||m_ptEnd.y<g_fYMin)
		{
		  AfxMessageBox("操作非法，约束线端点超出了TIN网!");
		  return;
		}
	    else
		{
		CPen pen(PS_SOLID,2,RGB(255,0,0));
	    CClientDC dc(this);
	    CPen* pOldPen = dc.SelectObject(&pen);
	    dc.MoveTo(m_ptOrigin);
	    dc.LineTo(point);
	    m_ptEnd=point;
	    dc.SelectObject(pOldPen);
		CEntity entity;
		CNode *node1,*node2;
		node1=entity.InitNode();
		node1->x=(float)m_ptEnd.x;
		node1->y=(float)m_ptEnd.y;
		node2=entity.InitNode();
		node2->x=(float)m_ptOrigin.x;
		node2->y=(float)m_ptOrigin.y;
		node1->m_CDNode=true;
		node2->m_CDNode=true;
		dc.Ellipse((int)node1->x-2,(int)node1->y-2,(int)node1->x+2,(int)node1->y+2);
		dc.Ellipse((int)node2->x-2,(int)node2->y-2,(int)node2->x+2,(int)node2->y+2);
	    m_bDraw = FALSE;
		}
	}
	
  m_nDrawType=3;

	CView::OnLButtonUp(nFlags, point);
}

void CMineView::OnInsertCDLine() 
{
	// TODO: Add your command handler code here
	// m_nDrawType=3;
}

void CMineView::DrawCDLine()
{
//	CClientDC dc(this);
//	
//    CString Str_Pname;
//	
//	CPen pen(1,1,RGB(255,0,0));
//	CPen* pOldPen ;
//	pOldPen = dc.SelectObject(&pen);
//        //Str_Pname.Format("%d",node->m_nNodeID );
//	//	dc.Ellipse((int)node->x-2,(int)node->y-2,(int)node->x+2,(int)node->y+2);
//	//	dc.TextOut((int)node->x+1,(int)node->y+1,Str_Pname);
//	dc.MoveTo(m_ptOrigin);
//	dc.LineTo(m_ptEnd);
//    dc.SelectObject(pOldPen);

}

void CMineView::OnMouseMove(UINT nFlags, CPoint point) 
{
	
	CView::OnMouseMove(nFlags, point);
}

void CMineView::OnShowcdtin() 
{
	// TODO: Add your command handler code here
	if (m_nDrawType==3)
	{
		 CClientDC dc(this);
	    tin.CreateCDTin();
		CNode *node;
		node=g_pNodeHead->next;
		
		while (node->m_CDNode)
		{
			dc.Ellipse((int)node->x-2,(int)node->y-2,(int)node->x+2,(int)node->y+2);
			node=node->next;
		}
        // ShowTin();
 	}
    m_nDrawType=4;
}

#include "InformDlg.h"
void CMineView::OnShowCLInform() 
{
	// TODO: Add your command handler code here
	CInformDlg dlg;
	if (m_nDrawType==4)
	{
		dlg.DoModal();
	}
}