point.cpp

故障诊断工作涉及的领域相当广泛

// Point.cpp: implementation of the CPnt class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "Cad.h"

#include "Entity.h"
#include "Point.h"
#include "CadDoc.h"
#include "CadView.h"

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

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

_declspec(dllexport) CPnt::CPnt()
{
	m_dX=m_dY=0;
	m_nType=ID_DRAW_POINT;
	m_nColor=RGB(0,0,0);
	m_nLineType=PS_SOLID;
}

_declspec(dllexport) CPnt::CPnt(double dX,double dY)
{
	m_dX=dX;
	m_dY=dY;

	m_nType=ID_DRAW_POINT;
	m_nColor=g_nCurColor;
	m_nLineType=g_nCurLineType;
}

_declspec(dllexport) CPnt::~CPnt()
{
}

_declspec(dllexport) BOOL CPnt::Create(CDC* pDC,BOOL bSure)
{
	BOOL	ret=FALSE;

	if(bSure==TRUE)
	{
		CStatusBar* pStatus=(CStatusBar*)
			AfxGetApp()->m_pMainWnd->GetDescendantWindow(ID_VIEW_STATUS_BAR);
		ASSERT(pStatus);

		switch(g_nStep)
		{
		case 0:
			m_dX=g_dCurX;
			m_dY=g_dCurY;

			g_nStep=0;
			pStatus->SetPaneText(0,"Enter the point");
			ret=TRUE;
			break;
		default:
			break;
		}
	}

	return ret;
}

_declspec(dllexport) void CPnt::Draw(CDC* pDC,UINT nColor,UINT nLineType)
{
	CPen*	pNewPen=new CPen; 
	if(nColor==0&&nLineType==0)
		pNewPen->CreatePen(m_nLineType,1,m_nColor);
	else
		pNewPen->CreatePen(nLineType,1,nColor);
	CPen*	pOldPen = pDC->SelectObject( pNewPen );
	
	CPoint	point;
	g_pCurView->WorldToScreen(point,m_dX,m_dY);
	pDC->MoveTo(point.x-2,point.y-2);
	pDC->LineTo(point.x+2,point.y+2);
	pDC->MoveTo(point.x+2,point.y-2);
	pDC->LineTo(point.x-2,point.y+2);

	pDC->SelectObject( pOldPen );
}

_declspec(dllexport) BOOL CPnt::OSnap()
{
	double d=0;
	double sd=g_nOSnapSize*g_pCurView->m_dScreenToWorld;
	BOOL   ret=FALSE;

	switch(g_nOpqTask)
	{
	case ID_OSNAP_ENDPOINT:
	case ID_OSNAP_MIDPOINT:
		d=GetTwoPntDis2(g_dCurX,g_dCurY,m_dX,m_dY);
		if(d<sd*sd)
		{
			g_dCurX=m_dX;
			g_dCurY=m_dY;
			ret=TRUE;
		}
		break;
	default:
		if((g_nOSnapType&3)!=0)
		{
			d=GetTwoPntDis2(g_dCurX,g_dCurY,m_dX,m_dY);
			if(d<sd*sd)
			{
				g_dCurX=m_dX;
				g_dCurY=m_dY;
				ret=TRUE;
			}
		}
		break;
	}

	return ret;
}

_declspec(dllexport) BOOL CPnt::Pick()
{
	double sd=5.0*5.0*g_pCurView->m_dScreenToWorld;
	double d=GetTwoPntDis2(g_dCurX,g_dCurY,m_dX,m_dY);
	BOOL   ret=FALSE;

	if(d<sd)
	{
		ret=TRUE;
	}

	return ret;
}
_declspec(dllexport) void operator <<(CArchive& ar,CPnt& it)
{	
	ar<<it.m_dX;
	ar<<it.m_dY;
		
}
  _declspec(dllexport) void operator >>(CArchive& ar,CPnt& it)
{	ar>>it.m_dX;
	ar>>it.m_dY;
		
}
_declspec(dllexport) void CPnt::Serialize(CArchive&  ar)
{AFX_MANAGE_STATE(AfxGetStaticModuleState());
	CEntity::Serialize(ar);
if(ar.IsStoring())
 ar<<*this;
else
 ar>>*this;
}
_declspec(dllexport) CPnt& CPnt::operator=(CPnt& in)
{
return in;
}