gpsset.cpp

来自「一个mapxmobile+gps的小程序,需要先安装mapx mobile」· C++ 代码 · 共 307 行

// gpsset.cpp

#include "stdafx.h"
#include "gpsset.h"
#include "../HPMapx.h"

const int   NZOOM	= 2;

CGpsSet::CGpsSet()
{
	m_dCX		= 0;
	m_dCY		= 0;
	m_nFeaID	= 0;
	m_dSpeed	= 0;
	m_dDirection	= 0;
}

void CGpsSet::OnSize(UINT nType, int cx, int cy) 
{
	CWnd::OnSize(nType, cx, cy);
	
	if (	cx != 0 && cy != 0 && 
		m_ctrlMapX.GetSafeHwnd())

	m_ctrlMapX.MoveWindow(0,0,cx,cy,TRUE);
}

void CGpsSet::OnSetFocus(CWnd* pO)
{	
	CWnd::OnSetFocus(pO);

	if(m_ctrlMapX.GetSafeHwnd())
	m_ctrlMapX.SetFocus();
}

BOOL CGpsSet::Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext) 
{
	CWnd::Create(lpszClassName, lpszWindowName, dwStyle, rect, pParentWnd, nID, pContext);

	TRY
	{
		if( !m_ctrlMapX.Create(NULL,WS_VISIBLE,CRect(0,0,0,0),this ,IDC_MAP) )
		{
			MessageBox(_T("应用程序错误，请联系开发单位"),_T("错误"),MB_ICONSTOP|MB_OK);
			return false;
		}
		
		m_ctrlMapX.SetGeoSet( _T("\\Program Files\\MapInfo\\HPMapx\\Maps\\Qingdao22.gst") );
		m_ctrlMapX.GetTitle().SetVisible(FALSE);
		OnPan();
		OnViewScalebar();
		m_ctrlMapX.SetAutoRedraw(TRUE);
		m_ctrlMapX.CreateCustomTool(MY_INFOTOOL, miToolTypePoint,miInfoCursor );
		m_ctrlMapX.CreateCustomTool(MAP_DISTANCE,miToolTypePoly, miCrossCursor);
		m_ctrlMapX.CreateCustomTool(ADD_TARGET,  miToolTypePoly, miCrossCursor);
		m_ctrlMapX.SetPreferCompactLegends(TRUE);
	}
	CATCH (COleDispatchException,e) 
	{
		MessageBox(_T("应用程序错误，请联系开发单位"),_T("错误"),MB_ICONSTOP|MB_OK);
		return FALSE;
	}
	AND_CATCH (COleException,e) 
	{
		MessageBox(_T("应用程序错误，请联系开发单位"),_T("错误"),MB_ICONSTOP|MB_OK);
		return FALSE;
	}
	END_CATCH

	return TRUE;
}

void CGpsSet::ZoomTo()
{
	TRY
	{
		float sX,sY,scnX,scnY;
		
		double x = m_ctrlMapX.GetCenterX();
		double y = m_ctrlMapX.GetCenterY();

		double ScreenX = m_ctrlMapX.GetMapScreenWidth() /3;
		double ScreenY = m_ctrlMapX.GetMapScreenHeight() /3;

		m_ctrlMapX.ConvertCoord(&sX,&sY,&m_dCX,&m_dCY,miMapToScreen);
		m_ctrlMapX.ConvertCoord(&scnX,&scnY,&x,&y,miMapToScreen);

		if(	fabs( sX - scnX ) > ScreenX || 
			fabs( sY - scnY ) > ScreenY )
			m_ctrlMapX.ZoomTo(m_ctrlMapX.GetZoom() ,m_dCX,m_dCY);
	}
	CATCH (COleDispatchException,e) 
	{
	}
	AND_CATCH (COleException,e) 
	{
	}
	END_CATCH
}

#define __D(x) (double)##x
void CGpsSet::UpdateDirection(CMapXFeature &feature)
{
	double d=m_dDirection;
	CString strFileName;
	
	if( d == __D(0 ) )
		return;

	TRY
	{

	//	m_ctrlMapX.SetRotation(m_dDirection);
	//	m_ctrlMapX.SetAutoRedraw(TRUE);

		     if(d > __D(20)  && d < __D( 40) )	strFileName =L"Car120.bmp";
		else if(d > __D(50)  && d < __D( 70) )	strFileName =L"Car150.bmp";
		else if(d > __D(80)  && d < __D(100) )	strFileName =L"Car180.bmp";
		else if(d > __D(110) && d < __D(130) )	strFileName =L"Car210.bmp";
		else if(d > __D(140) && d < __D(160) )	strFileName =L"Car240.bmp";
		else if(d > __D(170) && d < __D(190) )	strFileName =L"Car270.bmp";
		else if(d > __D(200) && d < __D(220) )	strFileName =L"Car300.bmp";
		else if(d > __D(230) && d < __D(250) )	strFileName =L"Car330.bmp";
		else if(d > __D(260) && d < __D(280) )	strFileName =L"Car0.bmp";
		else if(d > __D(290) && d < __D(310) )	strFileName =L"Car30.bmp";
		else if(d > __D(320) && d < __D(340) )	strFileName =L"Car60.bmp";
		else					strFileName =L"Car90.bmp";

		feature.GetStyle().SetSymbolBitmapName(strFileName);
	}
	CATCH (COleDispatchException,e) 
	{
	}
	AND_CATCH (COleException,e) 
	{
	}
	END_CATCH
}

void CGpsSet::UpdateFeature(CMapXFeature &feature)
{
	TRY
	{
		UpdateDirection(feature);
		feature.GetPoint().Set( m_dCX, m_dCY);
		feature.Update();
		ZoomTo();
	}
	CATCH (COleDispatchException,e) 
	{
	}
	AND_CATCH (COleException,e) 
	{
	}
	END_CATCH
}

void CGpsSet::SetStartXY(double x,double y)
{
	TRY
	{
		int	nxDegree = (int)(x/double(100)),
			nyDegree = (int)(y/double(100));

		m_dCX = nxDegree + ( x/double(100) - nxDegree )* 100 / 60;
		m_dCY = nyDegree + ( y/double(100) - nyDegree )* 100 / 60;

		if(  ! FindLayer( L"CarLayer") )
		{
			m_ctrlMapX.GetLayers().SetAnimationLayer(
			m_ctrlMapX.GetLayers().CreateLayer( L"CarLayer",NULL,1) );
		}

		if(  ! m_nFeaID )
		{
			CMapXFeature m_CurFeature;
			m_CurrentCarLayer.SetEditable(TRUE);
			m_CurFeature.CreateDispatch(m_CurFeature.GetClsid());
			m_CurFeature.Attach( m_ctrlMapX.GetDispatch());
			m_CurFeature.GetStyle().SetSymbolType(miSymbolTypeBitmap);
			m_CurFeature.GetStyle().SetSymbolBitmapSize(16);
			m_CurFeature.GetStyle().SetSymbolBitmapTransparent(TRUE);
			m_CurFeature.GetStyle().SetSymbolBitmapName(L"Car.bmp");
			m_CurFeature.GetPoint().Set( m_dCX, m_dCY);
			m_CurFeature = m_CurrentCarLayer.AddFeature(m_CurFeature);
			m_nFeaID = m_CurFeature.GetFeatureID();
			m_ctrlMapX.ZoomTo(NZOOM,m_dCX,m_dCY);
		}
	}
	CATCH (COleDispatchException,e) 
	{
		e->ReportError();
	}
	AND_CATCH (COleException,e) 
	{
		e->ReportError();
	}
	END_CATCH
}

bool CGpsSet::FindLayer(CString strLayerName)
{
	TRY
	{
		CMapXLayer  mLayer;
		CMapXLayers layers= m_ctrlMapX.GetLayers();
		for(int i=0;i<layers.GetCount();i++)
		{
			mLayer=layers.Item(i+1);
			if(mLayer.GetName()==strLayerName) 
			{
				m_CurrentCarLayer = mLayer;
				return true;
			}
		}
	}
	CATCH (COleDispatchException,e) 
	{
	}
	AND_CATCH (COleException,e) 
	{
	}
	END_CATCH

	return false;
}

void CGpsSet::RemoveCurrent()
{
	TRY
	{
		m_CurrentCarLayer.AllFeatures().RemoveByID( m_nFeaID);
	}
	CATCH (COleDispatchException,e) 
	{
	}
	AND_CATCH (COleException,e) 
	{
	}
	END_CATCH
}

void CGpsSet::RemoveAll()
{
	TRY
	{
		CMapXFeatures fs = m_CurrentCarLayer.AllFeatures();
		int nCount = fs.GetCount();

		for(int i=1; i < nCount+1; i++)
		fs.Remove( i );
	}
	CATCH (COleDispatchException,e) 
	{
	}
	AND_CATCH (COleException,e) 
	{
	}
	END_CATCH
}

BEGIN_MESSAGE_MAP(CGpsSet, CWnd)
	//{{AFX_MSG_MAP(CGpsSet)
	ON_WM_SETFOCUS()
	ON_WM_SIZE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

BEGIN_EVENTSINK_MAP(CGpsSet, CWnd)

	ON_EVENT(CGpsSet, IDC_MAP, MAPX_DISPID_TOOLUSED, OnToolUsed, VTS_I2 VTS_R8 VTS_R8 VTS_R8 VTS_R8 VTS_R8 VTS_BOOL VTS_BOOL VTS_PVARIANT)
	ON_EVENT(CGpsSet, IDC_MAP, MAPX_DISPID_DRAWUSERLAYER, OnDrawUserLayer, VTS_DISPATCH VTS_I4 VTS_I4 VTS_DISPATCH VTS_DISPATCH)

END_EVENTSINK_MAP()

// GIS Message
void CGpsSet::OnDrawUserLayer(LPDISPATCH Layer, long hOutputDC, long hAttributeDC, LPDISPATCH RectFull, LPDISPATCH RectInvalid)
{
//	CDC dc;
//	dc.Attach((HDC)hOutputDC);
//	dc.SetAttribDC((HDC)hAttributeDC);
//	DrawScaleBar(&dc);
}

void CGpsSet::OnToolUsed(short ToolNum, double X1, double Y1, double X2, double Y2, double Distance, BOOL Shift, BOOL Ctrl, VARIANT* EnableDefault)
{
}

void CGpsSet::OnViewScalebar()
{
//	m_ctrlMapX.OnClose();
}

void CGpsSet::ShowCurrentFeature()
{
}

void CGpsSet::HideCurrentFeature()
{
}