aggregateSymbol.h

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/*********************************************************************
** Copyright (c) 2002 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: aggregateSymbol.h,v $ $Revision: 1.11 $ $State: Exp $
*********************************************************************/


#ifndef DtAggregateSymbol_H_
#define DtAggregateSymbol_H_

#include "symbology/symbologyDefines.h"
#include "symbology/compositeSymbol.h"



class DT_DLL_symbology DtAggregateSymbol : public DtCompositeSymbol
{
public:

   enum DtCenterCalculationStyle{
      DtNoCalculation = 0,           
      DtWeighted,                   
      DtNotWeighted,                
      DtCenterCalculationStyle_MAX  
   };

   DtAggregateSymbol(const DtAggregateSymbol& orig);
   DtAggregateSymbol& operator=(const DtAggregateSymbol& orig);
   virtual ~DtAggregateSymbol();
   
   DtAggregateSymbol( DtSymbolDrawer & drawer );

   DtSymbol* clone() const;

   virtual void shift(QPoint p);

   virtual void setOrigin(int x, int y );   
   virtual void setOrigin(const QPoint& position);
   virtual const DtDisplayPoint centerPoint() const;
   virtual const QPoint origin() const;

   static DtAggregateSymbol* createAggregate(DtSymbolDrawer & drawer,
                                             DtSymbolList* symbols);

   virtual void addAggregate(DtSymbol* symbols);

   virtual void draw(QPainter& paint) const;
   
   virtual QSize bbox() const;
   
   virtual QRect selBbox() const;

   virtual QSize aggregatesBbox() const;

   virtual QPoint unweightedAggregateCenter() const;

   virtual QPoint weightedAggregateCenter() const ;
      
   virtual DtSymbolList* createDeaggregateSymbols();
   
   virtual void deaggregateSymbol(DtSymbol* s);

   virtual bool overlapsSymbol(const DtSymbol & aSymbol, 
      const DtSymbol_OverlapTest aTest = DtSymbol_BoxPieces,
      const float aTolerance = 0) const;

   virtual bool labelsOverlapsSymbol(const DtSymbol & aSymbol, 
      const DtSymbol_OverlapTest aTest = DtSymbol_BoundingBox,
      const float aTolerance = 0) const;

   virtual void setCalculationStyle(DtCenterCalculationStyle style);

private:
   DtAggregateSymbol();

protected:
   DtCenterCalculationStyle myCalculationStyle;
};

#endif //DtAggregateSymbol_H_