include/drawertdb/terrainDrawer.h

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/*********************************************************************
** Copyright (c) 2006 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: terrainDrawer.h,v $ $Revision: 1.1 $ $State: Exp $
*********************************************************************/


#ifndef TERRAINDRAWER_H
#define TERRAINDRAWER_H

#include "drawertdb/drawertdbDefines.h"

class DtPrimitiveDrawer;
class DtViewportExtents;
class DtTerrainDatabase;
class DtExtent;
class DtHomogeneousTransfMatrix;
class DtAllTypesPolygon;
class DtPoint;

class DT_DLL_drawertdb DtTerrainDrawer
{
public:
   DtTerrainDrawer();
   DtTerrainDrawer(const DtTerrainDrawer&);

   virtual ~DtTerrainDrawer();

   DtTerrainDrawer& operator=(const DtTerrainDrawer&);

   virtual void draw(const DtTerrainDatabase*, const DtViewportExtents*, DtPrimitiveDrawer* painter);

public:
   void setDrawingEnabled(bool);
   bool drawingEnabled() const;

protected:
   virtual void internalDraw(const DtTerrainDatabase*, const DtViewportExtents*, DtPrimitiveDrawer* painter) = 0;

protected:
   virtual void drawExtent(const DtExtent& extent,
      const DtHomogeneousTransfMatrix &mtx, const DtViewportExtents* v, DtPrimitiveDrawer* painter);

   virtual void drawFilledPoly(const DtAllTypesPolygon *polygon,
      const DtHomogeneousTransfMatrix &mtx, const DtViewportExtents* v, DtPrimitiveDrawer* painter);

   virtual void drawLine(const DtPoint& gdp0,
      const DtPoint& gdp1, const DtViewportExtents* view, DtPrimitiveDrawer* painter);

   virtual void drawWireframePoly(const DtAllTypesPolygon *polygon,
      const DtHomogeneousTransfMatrix &mtx, const DtViewportExtents* v, DtPrimitiveDrawer* painter);

protected:
   bool  myDrawingEnabled;
};

inline void DtTerrainDrawer::setDrawingEnabled(bool b)
{
   myDrawingEnabled = b;
}

inline bool DtTerrainDrawer::drawingEnabled() const
{
   return myDrawingEnabled;
}

#endif