📄 namegisview.cpp

📁 电子地图地理信息系统二次开发实例教程-C#和MapObjects实现程序源码
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	else
		pCmdUI->SetCheck(FALSE);
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnUpdateHotelFtr(CCmdUI* pCmdUI)
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();	
	if (pMainWnd->m_environment.GetLayerVisible(MO_HOTEL))
		pCmdUI->SetCheck(TRUE);
	else
		pCmdUI->SetCheck(FALSE);
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnUpdateBankFtr(CCmdUI* pCmdUI)
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();	
	if (pMainWnd->m_environment.GetLayerVisible(MO_BANK))
		pCmdUI->SetCheck(TRUE);
	else
		pCmdUI->SetCheck(FALSE);
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnUpdateStationFtr(CCmdUI* pCmdUI)
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();	
	if (pMainWnd->m_environment.GetLayerVisible(MO_GAS))
		pCmdUI->SetCheck(TRUE);
	else
		pCmdUI->SetCheck(FALSE);
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnUpdateMovieFtr(CCmdUI* pCmdUI)
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();	
	if (pMainWnd->m_environment.GetLayerVisible(MO_MOVIE))
		pCmdUI->SetCheck(TRUE);
	else
		pCmdUI->SetCheck(FALSE);
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnUpdateRestFtr(CCmdUI* pCmdUI)
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();	
	if (pMainWnd->m_environment.GetLayerVisible(MO_RESTAURANT))
		pCmdUI->SetCheck(TRUE);
	else
		pCmdUI->SetCheck(FALSE);
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnUpdateWCFtr(CCmdUI* pCmdUI)
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();	
	if (pMainWnd->m_environment.GetLayerVisible(MO_WC))
		pCmdUI->SetCheck(TRUE);
	else
		pCmdUI->SetCheck(FALSE);
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnUpdatePostFtr(CCmdUI* pCmdUI)
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();	
	if (pMainWnd->m_environment.GetLayerVisible(MO_POST))
		pCmdUI->SetCheck(TRUE);
	else
		pCmdUI->SetCheck(FALSE);
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnUpdateLibraryFtr(CCmdUI* pCmdUI)
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();	
	if (pMainWnd->m_environment.GetLayerVisible(MO_LIBRAY))
		pCmdUI->SetCheck(TRUE);
	else
		pCmdUI->SetCheck(FALSE);
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnUpdateBusStaFtr(CCmdUI* pCmdUI)
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();	
	if (pMainWnd->m_environment.GetLayerVisible(MO_STATION))
		pCmdUI->SetCheck(TRUE);
	else
		pCmdUI->SetCheck(FALSE);
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowAllFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断当前地物的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_HOSPITAL); 

	// 如果没有显示，则显示所有地物
	environment->SetLayerVisible(MO_BANK, !bVisibled, dScale);
	environment->SetLayerVisible(MO_GAS, !bVisibled,dScale);
	environment->SetLayerVisible(MO_HOSPITAL, !bVisibled, dScale);
	environment->SetLayerVisible(MO_HOTEL, !bVisibled, dScale);
	environment->SetLayerVisible(MO_LIBRAY, !bVisibled, dScale);
	environment->SetLayerVisible(MO_MOVIE, !bVisibled,dScale);
	environment->SetLayerVisible(MO_POST,!bVisibled, dScale);
	environment->SetLayerVisible(MO_RESTAURANT, !bVisibled,dScale);
	environment->SetLayerVisible(MO_SCHOOL, !bVisibled, dScale);
	environment->SetLayerVisible(MO_SHOP, !bVisibled, dScale);
	environment->SetLayerVisible(MO_STATION, !bVisibled, dScale);
	environment->SetLayerVisible(MO_TOUR, !bVisibled, dScale);
	environment->SetLayerVisible(MO_WC, !bVisibled, dScale);
	
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowShopFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断当前地物的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_SHOP);
	environment->SetLayerVisible(MO_SHOP, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowTourFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断当前地物的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_TOUR);
	environment->SetLayerVisible(MO_TOUR, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowSchoolFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断当前地物的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_SCHOOL);
	environment->SetLayerVisible(MO_SCHOOL, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowHospitalFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断医院的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_HOSPITAL);
	environment->SetLayerVisible(MO_HOSPITAL, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowHotelFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断宾馆的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_HOTEL);
	environment->SetLayerVisible(MO_HOTEL, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowBankFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断银行的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_BANK);
	environment->SetLayerVisible(MO_BANK, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowStationFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	//地图比例尺
	// 判断加油站的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_GAS);
	environment->SetLayerVisible(MO_GAS, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowMovieFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断电影音乐厅的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_MOVIE);
	environment->SetLayerVisible(MO_MOVIE, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowRestaurantFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断餐馆的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_RESTAURANT);
	environment->SetLayerVisible(MO_RESTAURANT, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowWCFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断WC的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_WC);
	environment->SetLayerVisible(MO_WC, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowPostFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断邮局的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_POST);
	environment->SetLayerVisible(MO_POST, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowLibraryFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断图书馆的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_LIBRAY);
	environment->SetLayerVisible(MO_LIBRAY, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnShowBusStationFeature()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	// 地图比例尺
	// 判断公交站点的显示状态
	BOOL bVisibled = environment->GetLayerVisible(MO_SHOP);
	environment->SetLayerVisible(MO_SHOP, !bVisibled, dScale);
	m_Map.SetExtent(m_Map.GetExtent());
	pMainWnd->ReloadLayerCtrlView();
}
//----------------------------------------------------------------------------------------------
//功能：缩放时，重新设置注记、符号的大小
void CNameGisView::ReLabelLayers()
{
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CEnvironment* environment = &(pMainWnd->m_environment);
	double dScale = environment->CalcScale(&m_Map);	//地图比例尺
	
	/*if (environment->m_selectedSymbol != NULL)
	{
		environment->m_selectedSymbol.SetSize(ReCalcFontSize(environment->m_selectedSymbol.GetSize(), dScale));
	}*/
	
	//放大缩小时，循环设置图层的符号和注记
	for (int i = 0; i < environment->m_nLayerNum; i ++)
	{
		//图层不显示，下一个循环
		if (!environment->m_layerInfos[i].bVisible)
			continue;
		
		//重新设置注记
		if (environment->m_layerInfos[i].bLable	&& 
			environment->CalcScale(&m_Map)<environment->m_layerInfos[i].dScale)
		{
			CMoLabelPlacer myRD = environment->m_layerInfos[i].layer.GetRenderer();
			
			if (myRD != NULL && myRD.GetField() != "")
			{				
				CMoTextSymbol textSym(myRD.GetDefaultSymbol());
				CMoFont fnt;
				fnt.InitializeFont();
				fnt.SetName(textSym.GetFont().GetName());
				fnt.SetSize(ReCalcFontSize(
					environment->m_layerInfos[i].nFontSize,dScale));
				textSym.SetFont(fnt.GetFontDispatch());				
			}
			else
			{
				if ( myRD == NULL)
				{
					//设置注记
					myRD.CreateDispatch(_T("MapObjects2.LabelPlacer"));
				}
				if(myRD.GetField() == "")
					myRD.SetField("名称");
				myRD.SetDrawBackground(environment->m_layerInfos[i].bBackground) ;
				myRD.SetAllowDuplicates(TRUE);
				myRD.SetMaskLabels(FALSE);
                
				if (environment->m_layerInfos[i].layer.GetShapeType() == moShapeTypeLine)   
					myRD.SetPlaceAbove(TRUE);
				else
					myRD.SetPlaceAbove(FALSE);
				myRD.SetPlaceOn(TRUE);
                
				CMoFont fnt;
				fnt.InitializeFont();
				fnt.SetName(pMainWnd->FONTNAME);
				fnt.SetSize(ReCalcFontSize(
					 environment->m_layerInfos[i].nFontSize,dScale));
				myRD.GetDefaultSymbol().SetFont(fnt.GetFontDispatch());				

				environment->m_layerInfos[i].layer.SetRenderer(myRD);
			}
		}
		else
		{
			//显示比例尺小于注记显示比例尺，则不显示注记
			if (environment->m_layerInfos[i].bLable)
			{
				CMoLabelPlacer myRD = environment->m_layerInfos[i].layer.GetRenderer();
				if (myRD != NULL)
					myRD.SetField("");
			}
		}

		//重新设置图层的符号
		if (environment->m_layerInfos[i].layer.GetSymbol() != NULL 
			&& environment->m_layerInfos[i].layer.GetShapeType() == moShapeTypePoint)
		{
			environment->m_layerInfos[i].layer.GetSymbol().SetSize(
				ReCalcFontSize(environment->m_layerInfos[i].nSymSize, dScale));
		}        
	}
    
	//街道注记
	if (environment->m_layerRoad)
	{
		CMoLabelPlacer roadRD = environment->m_layerRoad.GetRenderer();
		if (dScale < 100000)
		{
			roadRD.SetField("名称");
			CMoTextSymbol textSym(roadRD.GetDefaultSymbol());
			CMoFont fnt;
			fnt.InitializeFont();
			fnt.SetName(textSym.GetFont().GetName());
			fnt.SetSize(ReCalcFontSize(10,dScale));
			textSym.SetFont(fnt.GetFontDispatch());			
		}
		else
		{
			roadRD.SetField("");
		}
	}
}
//----------------------------------------------------------------------------------------------
// 功能：根据显示比例，返回符号和注记的大小。
// <param name="nSize">short,原始大小</param>
// <param name="dScale">double,当前显示比例</param>
// <returns>short,返回计算后的符号和注记的大小</returns>
short CNameGisView::ReCalcFontSize(short nSize,double dScale)
{
	if (dScale > 15000)
		return nSize;
    
	if (dScale > 10000)
		return (short)(nSize * 1.0);
    
	return (short)(nSize * 1.0);
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnZoomIn()
{	
	if(m_nCurTool == ID_MAP_ZOOMIN)
	{
		m_nCurTool = NULL;
		m_Map.SetMousePointer(moArrow);
	}
	else
	{
		m_nCurTool = ID_MAP_ZOOMIN;
		m_Map.SetMousePointer(moZoomIn);
	}
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnUpdateZoomIn(CCmdUI* pCmdUI) 
{
	pCmdUI->SetCheck( m_nCurTool == ID_MAP_ZOOMIN);	
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnZoomOut()
{	
	if(m_nCurTool == ID_MAP_ZOOMOUT)
	{
		m_nCurTool = NULL;
		m_Map.SetMousePointer(moArrow);
	}
	else
	{
		m_nCurTool = ID_MAP_ZOOMOUT;
		m_Map.SetMousePointer(moZoomOut);
	}
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnUpdateZoomOut(CCmdUI* pCmdUI)
{
	pCmdUI->SetCheck( m_nCurTool == ID_MAP_ZOOMOUT);
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnFullExtent()
{
	m_Map.SetExtent(m_Map.GetFullExtent());
	ReLabelLayers();
	ReShowLayers();
    
	CMainFrame* pMainWnd = (CMainFrame*)AfxGetMainWnd();
	CHawkView* pHawkView = (CHawkView*)(pMainWnd->m_wndSplitter2.GetPane(1,0));
	pHawkView->m_HawkMap.SetExtent(pHawkView->m_HawkMap.GetExtent());
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnPanMap()
{
	if(m_nCurTool == ID_MAP_PAN)
	{
		m_nCurTool = NULL;
		m_Map.SetMousePointer(moArrow);
	}
	else
	{
		m_nCurTool = ID_MAP_PAN;
		m_Map.SetMousePointer(moPan);
	}
}
//----------------------------------------------------------------------------------------------
void CNameGisView::OnUpdatePanMap(CCmdUI* pCmdUI)
{
	pCmdUI->SetCheck(m_nCurTool == ID_MAP_PAN);
}
//----------------------------------------------------------------------------------------------

BEGIN_EVENTSINK_MAP(CNameGisView, CFormView)
ON_EVENT(CNameGisView, IDC_MAP1, DISPID_MOUSEDOWN, MouseDownMap1, VTS_I2 VTS_I2 VTS_I4 VTS_I4)
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