mainfrm.cpp

这是我自己写的从数据库中读出数据

// MainFrm.cpp : implementation of the CMainFrame class
//

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

#include "MainFrm.h"
#include "MineView.h"
#include "Entity.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_fXZoom;
extern float g_fYZoom;
extern float g_fZZoom;
extern float g_fSize;

extern bool g_bInit;
extern bool g_bCreateTin;
extern bool g_bCreateTinBody;
extern int g_nCurrentLayer;
extern int g_nMaxLayer;

extern float g_fXTranslation;
extern float g_fYTranslation;
/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code !
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_CAPS,
	ID_INDICATOR_NUM,
	ID_INDICATOR_SCRL,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}

	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}

	// TODO: Delete these three lines if you don't want the toolbar to
	//  be dockable
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);
 
	Init();
	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers


void CMainFrame::Init()
{
	g_pNodeHead = new CNode;
	g_pEdgeHead = new CEdge;
	g_pPolygonHead = new CPolygon;


	g_pNodeHead->prev = g_pNodeHead;
	g_pNodeHead->next = g_pNodeHead;
	
	g_pEdgeHead->prev = g_pEdgeHead;
	g_pEdgeHead->next = g_pEdgeHead;
	
	g_pPolygonHead->prev = g_pPolygonHead;
	g_pPolygonHead->next = g_pPolygonHead;

	g_nNodeNum = 1;
	g_nEdgeNum = 1;
	g_nPolygonNum = 1;


	g_fXZoom = 1;
	g_fYZoom = 1;
	g_fZZoom = 1;
	g_fSize = 5;

	g_nMaxLayer = 0;
	g_nCurrentLayer = 1;

	g_bInit = false;
	g_bCreateTin = false;
	g_bCreateTinBody = false;


	g_fXTranslation = 0;
	g_fYTranslation = 0;



}