www.pudn.com > Geotest.rar > EagleDlg.cpp

// EagleDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "geotest.h" 
#include "EagleDlg.h" 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CEagleDlg dialog 
 
 
CEagleDlg::CEagleDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CEagleDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CEagleDlg) 
		// NOTE: the ClassWizard will add member initialization here 
	//}}AFX_DATA_INIT 
} 
CEagleDlg::CEagleDlg(CMapX* pMapX,CWnd* pParent /*=NULL*/) 
	: CDialog(CEagleDlg::IDD, pParent) 
{ 
	m_pMapX=pMapX; 
} 
 
void CEagleDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CEagleDlg) 
		// NOTE: the ClassWizard will add DDX and DDV calls here 
	//}}AFX_DATA_MAP 
} 
void CEagleDlg::ViewChanged() 
{ 
	m_pMapX->GetLayers().CreateLayer("RectLayer"); 
	try { 
	double X1,Y1,X2,Y2;  	 		 		 	//声明坐标变量 
	double x2,y2,x4,y4;         				//声明坐标变量 
    VARIANT scx, scy, scx1, scy1; 				//声明屏幕坐标变量 
	VARIANT mapx1,mapy1,mapx2,mapy2; 		//声明地图坐标变量 
    //声明FeatureFactory变量并获取缺省值 
	CMapXFeatureFactory cFactory=m_pMapX->GetFeatureFactory(); 
	CMapXLayer  layer;       					//声明图层变量 
	CMapXFeature feature,m_eaglefeature;      				//声明Feature变量 
	CMapXFeatures features;     				//声明Features变量 
	CMapXPoints points;        				//声明Points变量 
	points.CreateDispatch(points.GetClsid()); 
 
	CMapXRectangle rect;       				//声明矩形变量 
	rect.CreateDispatch(rect.GetClsid()); 
 
	//获取主图的边界，根据这个边界值，在鹰眼图上添加一个矩形Feature 
 	rect = m_pMapX->GetBounds(); 
	X1 = rect.GetXMin();       					//获得矩形左上顶点x坐标 
	Y1 = rect.GetYMin();       					//获得矩形左上顶点y坐标 
	X2 = rect.GetXMax();       				//获得矩形右下顶点x坐标 
	Y2 = rect.GetYMax();       				//获得矩形右下顶点y坐标 
 
	 //进行坐标变换 
    m_pMapX->ConvertCoordV(&scx,&scy,COleVariant(X1),COleVariant(Y1),miMapToScreen); 
	m_pMapX->ConvertCoordV(&scx1,&scy1,COleVariant(X2),COleVariant(Y2),miMapToScreen); 
	m_pMapX->ConvertCoordV(&scx,&scy1,&mapx1,&mapy1,miScreenToMap); 
	m_pMapX->ConvertCoordV(&scx1,&scy,&mapx2,&mapy2,miScreenToMap); 
				 
//获得矩形框顶点坐标 
	x2= mapx1.dblVal;				 
	y2= mapy1.dblVal; 
	x4= mapx2.dblVal; 
	y4= mapy2.dblVal; 
 
	//得到添加矩形Feature的图层 
	layer=m_pMapX->GetLayers().Item("RectLayer"); 
	features=layer.AllFeatures(); 
	//没有添加矩形Feature的图层，则新建 
	if(features.GetCount()==0) 
	{ 
//添加四个顶点构成一个矩形框 
		points.AddXY(X1,Y1); 						        //添加顶点1 
		points.AddXY(x2,y2);								//添加顶点2 
		points.AddXY(X2,Y2); 								//添加顶点3 
		points.AddXY(x4,y4); 								//添加顶点4 
//创建矩形Feature 
		COleVariant vtPoints; 
		vtPoints.vt = VT_DISPATCH; 
		vtPoints.pdispVal = points.m_lpDispatch; 
		vtPoints.pdispVal->AddRef(); 
		feature=cFactory.CreateRegion(vtPoints);  
		//设置矩形Feature的属性 
        CMapXStyle style=feature.GetStyle(); 
		style.SetRegionPattern(miPatternNoFill);       		//设置矩形的填充方式 
		style.SetRegionBorderColor(miColorRed);          	//设置矩形边框颜色 
		style.SetRegionBorderWidth(3);                  	//设置矩形边框宽度 
		feature.SetStyle(style.m_lpDispatch); 
		//添加已经创建的矩形Feature 
		m_eaglefeature = layer.AddFeature(feature); 
	} 
	else   	//否则更新Feature的矩形大小与位置 
	{ 
		m_eaglefeature.GetParts().Item(1).RemoveAll();      	//除去已有的顶点 
		m_eaglefeature.GetParts().Item(1).AddXY(X1,Y1);    	//添加顶点1 
		m_eaglefeature.GetParts().Item(1).AddXY(x2,y2); 		//添加顶点2 
		m_eaglefeature.GetParts().Item(1).AddXY(X2,Y2); 		//添加顶点3 
		m_eaglefeature.GetParts().Item(1).AddXY(x4,y4); 		//添加顶点4 
		m_eaglefeature.Update();								//更新Feature属性 
	} 
	//更新显示图层 
	layer.Refresh();   
} 
	catch (COleDispatchException *e) { 
		e->ReportError(); 
		e->Delete(); 
	} 
} 
 
 
 
BEGIN_MESSAGE_MAP(CEagleDlg, CDialog) 
	//{{AFX_MSG_MAP(CEagleDlg) 
		// NOTE: the ClassWizard will add message map macros here 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CEagleDlg message handlers