include/dted/dfad_info.h

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/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: dfad_info.h,v $ $Revision: 1.5 $ $State: Exp $
*******************************************************************************/

// 
//   Define a dfad data Info.
//   It permits access to read it sequentially from a
//   point, asking for:
//   a feature : 2 words
//   a coord   : a word
//   checksum  : a word
//   a zero word.
//
//   - setPointerToWord(int i = 0); i <= 601 : sets the pointer to word i
//   - getFeature(pfeature): gets next feature data size (two words)
//   - getCoord(pCoord): gets next coord data size ( word)
//   - getWords(pWords, howMany): gets howMany words
//
//  For more details, see dfad_main.doc
//


#ifndef __DFADInfo
#define __DFADInfo

#include "dted/dtedDefines.h"
#include <stdio.h>
#include "geometry/point.h"
#include "dted/dfad_record.h"

class DT_DLL_dted DtDfadInfo
{
public:

   DtDfadInfo();

   virtual bool setFile(FILE* f);
   virtual void setOrigin(const DtPoint &origin);
   virtual bool getFeatureData(DtU8* pfeature);
   virtual bool getCoordData(DtU8* pcoord);
   virtual bool getWords(DtU8* pword, int howMany = 1);
   
   inline const DtPoint &origin() {return myOrigin;}

protected:

   DtDfadRecord myRecord;
   DtPoint myOrigin;
};

#endif