readshapefile.h

用于地理信息系统（GIS）行业程序。 完整的鼠标交互式地图点、线、面的绘制

// ReadShapefile.h: interface for the CReadShapefile class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_READSHAPEFILE_H__AF6AA007_3451_4427_B6BF_1120CDEA0CAD__INCLUDED_)
#define AFX_READSHAPEFILE_H__AF6AA007_3451_4427_B6BF_1120CDEA0CAD__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CReadShapefile  
{
private:
		CFile m_fShapefile;	
	    const char* m_pFileName ;

public:
	void Seek(long lPos);
//	int  GetPLine(PointStruct* a_stPoint);
//	int CReadShapefile::GetPLine(double& a_dXcoord1, double& a_dYcoord1, 
//							 double& a_dXcoord2, double& a_dYcoord2,
//							 int& a_iRecordNO);

	int GetPLine(PointStruct* a_stPoint, 
								 PointStruct* a_stBounds,
								 int* a_pParts,int& a_NumPoints, 
								 int& a_iRecordNO);
	int GetPoint(float& a_fXcoord,float& a_fYcoord,
								 int& a_iRecordNO);

	int GetFileLength();

	void GetMapBound(double& Xmin,double& Ymin,double& Xmax,double& Ymax);

	void SetFilepath(char* a_cFileName);


	CReadShapefile(const char* a_pFileName);
	virtual ~CReadShapefile();
	bool OpenShapefile();
	ChangeBigInt( int& InputVal);
	int GetShapeType();


};

#endif // !defined(AFX_READSHAPEFILE_H__AF6AA007_3451_4427_B6BF_1120CDEA0CAD__INCLUDED_)