shapePolyLine.h

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/*********************************************************************
** Copyright (c) 1998 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/

#ifndef SHAPEPOLYLINE_H
#define SHAPEPOLYLINE_H

#include "shape/shapeDefines.h"
#include <stdio.h>
#include "shape/shapeElement.h" 
#include "gdb/specificationManager.h"

class DtShapePoint;
class DtShapeReader;
class DtShapeVectorReader;
class DtGroup;

// class DtShapePolyLine:
//

class DT_DLL_shape DtShapePolyLine : public DtShapeElement
{

public:

   // default constructor.
   DtShapePolyLine(double elevationFactor, bool isPoly = false);

   // destructor
   virtual ~DtShapePolyLine();

   virtual bool          load(FILE* f, bool loadMeasures = false, const DtShapeProjection* projection = NULL);
   virtual DtShapePoint* point(int i);
   virtual DtInt32       numPoints();
   virtual DtInt32       numPoints(int part);
   virtual DtInt32       numParts();
   virtual DtInt32       initialVertex(int part);
   virtual void          setElevation(double elev);
   virtual void          calculateMaxMins(double& myMaxHigh, double& myMinHigh);

   virtual DtGroup*      import(DtShapeReader* reader);

   virtual bool          importAsFeature(DtShapeVectorReader* reader, 
                                         DtSpecificationID specID, 
                                         DtSpecification& specification);

protected:

   virtual bool    importPolygonAsFeature(DtShapeVectorReader* reader, 
                                          DtSpecificationID specID, 
                                          DtSpecification& s);

   virtual bool    importPolyLineAsFeature(DtShapeVectorReader* reader, 
                                           DtSpecificationID specID,
                                           DtSpecification& s);

   DtNetFloat64   myBoundingBox[4];
   DtNetInt32     myNumParts;
   DtNetInt32     myNumPoints;
   DtNetInt32*    myParts;
   DtShapePoint*  myPoints;

   bool      myAmIPolygon;

};

#endif