geolayers.cpp

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	}
	if(strLyerName=="V")
	{
		nPenStyle = PS_SOLID;
		nWidth = 1;
		clPLPen = CL_V_PEN;
	}
	if(strLyerName=="H")
	{
		nPenStyle = PS_SOLID;
		nWidth = 1;
		clPLPen = CL_H_PEN;
	}
	if(strLyerName=="C")
	{
		nPenStyle = PS_SOLID;
		nWidth = 1;
		clPLPen = CL_C_PEN;
	}
	pen.CreatePen(nPenStyle,nWidth,clPLPen);
}

//根据图层来设置面的笔和画刷
void CGeoLayers::SetPGPenBrush(CString strLyerName, CPen &pen, CBrush &brush)
{
	int nPenStyle;
	int nWidth;
	COLORREF clPGPen;
	
	int nBrushIndex;
	COLORREF clPGBrush;
	if(strLyerName=="P")
	{
		nPenStyle = PS_SOLID;
		nWidth = 1;
		clPGPen = CL_P_PEN;
		
		nBrushIndex = HS_CROSS;
		clPGBrush = CL_P_BRUSH;
	}
	if(strLyerName=="B")
	{
		nPenStyle = PS_SOLID;
		nWidth = 1;
		clPGPen = CL_B_PEN;
		
		nBrushIndex = HS_CROSS;
		clPGBrush = CL_B_BRUSH;
	}
	if(strLyerName=="R")
	{
		nPenStyle = PS_SOLID;
		nWidth = 1;
		clPGPen = CL_R_PEN;
		
		nBrushIndex = HS_CROSS;
		clPGBrush = CL_R_BRUSH;
	}
	if(strLyerName=="T")
	{
		nPenStyle = PS_SOLID;
		nWidth = 1;
		clPGPen = CL_T_PEN;
		
		nBrushIndex = HS_CROSS;
		clPGBrush = CL_T_BRUSH;
	}
	if(strLyerName=="F")
	{
		nPenStyle = PS_SOLID;
		nWidth = 1;
		clPGPen = CL_F_PEN;
		
		nBrushIndex = HS_CROSS;
		clPGBrush = CL_F_BRUSH;
	}
	if(strLyerName=="V")
	{
		nPenStyle = PS_SOLID;
		nWidth = 1;
		clPGPen = CL_V_PEN;
		
		nBrushIndex = HS_CROSS;
		clPGBrush = CL_V_BRUSH;
	}
	if(strLyerName=="H")
	{
		nPenStyle = PS_SOLID;
		nWidth = 1;
		clPGPen = CL_H_PEN;
		
		nBrushIndex = HS_CROSS;
		clPGBrush = CL_H_BRUSH;
	}
	if(strLyerName=="C")
	{
		nPenStyle = PS_SOLID;
		nWidth = 1;
		clPGPen = CL_C_PEN;
		
		nBrushIndex = HS_CROSS;
		clPGBrush = CL_C_BRUSH;
	}
	pen.CreatePen(nPenStyle,nWidth,clPGPen);
	brush.CreateSolidBrush(clPGBrush);
}

BOOL CGeoLayers::GetDisplay()
{
	return m_bDisplay;
}

void CGeoLayers::DrawPoint(CDC *pDC)
{
	int nPTNums = m_vecPoint.size();
	CString strLyerName;
	GetLayerName(strLyerName);

	CPen PTPen;
	CBrush PTBrush;
	int nCircle;
	SetPTPenBrush(strLyerName,PTPen,PTBrush,nCircle);
	CPen *pOldPen = pDC->SelectObject(&PTPen);

	CBrush *pOldBrush = pDC->SelectObject(&PTBrush);
	for(int i=0;i<nPTNums;i++)
	{
		CGeoPoint cGeoPoint = m_vecPoint.at(i);
		cGeoPoint.Draw(pDC,m_bDisplay,nCircle);
	}
	pDC->SelectObject(pOldPen);
	pDC->SelectObject(pOldBrush);

}

void CGeoLayers::DrawPolyline(CDC *pDC)
{
	int nPLNums = m_vecPolyline.size();
	CString strLyerName;
	GetLayerName(strLyerName);

	CPen PLPen;
	SetPLPen(strLyerName,PLPen);
	CPen *pOldPen = pDC->SelectObject(&PLPen);
	for(int i=0;i<nPLNums;i++)
	{
		CGeoPolyline cGeoPolyline = m_vecPolyline.at(i);
		cGeoPolyline.Draw(pDC,GetDisplay());
	}
	pDC->SelectObject(pOldPen);
}

void CGeoLayers::DrawPolygon(CDC *pDC)
{
	int nPGNums = m_vecPolygon.size();
	CString strLyerName;
	GetLayerName(strLyerName);
	//绘制面
	CPen PGPen;
	CBrush PGBrush;
	SetPGPenBrush(strLyerName,PGPen,PGBrush);	
	CPen *pOldPen=pDC->SelectObject(&PGPen);	//将画面的pen和brush选入设备环境
	
	CBrush *pOldBrush=pDC->SelectObject(&PGBrush                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            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	for(int i=0;i<nPGNums;i++)
	{
		CGeoPolygon cGeoPolygon = m_vecPolygon.at(i);
		cGeoPolygon.Draw(pDC,GetDisplay());
	}
	pDC->SelectObject(pOldPen);
	pDC->SelectObject(pOldBrush);
}