colorCount.h

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/******************************************************************************
** Copyright (c) 1999 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile: colorCount.h,v $ $Revision: 1.4 $ $State: Exp $
******************************************************************************/
#ifndef colorCount_H_
#define colorCount_H_

#include "gdb/gdbDefines.h"
#include "geometry/gdbColor.h"

// class DtColorCountRecord:
//
// Record for counting colors. Maintains a count for each new color
// encountered. Maximum number of colors the structure can handle is
// defined as a constant.


class DT_DLL_gdb DtColorCountRecord
{
public:

   // constructor
   DtColorCountRecord();

   // destructor
   virtual ~DtColorCountRecord();
    
private:
   // Copy constructor and Assignment operator not implemented
   DtColorCountRecord(const DtColorCountRecord& original);
   DtColorCountRecord& operator=(const DtColorCountRecord& original);


public:
   
   virtual void addColor(const DtColor &c);
   virtual DtColor mostCommon();

protected:
   // returns index of c if already exists in the table. returns -1
   // otherwise.
   virtual int lookupColor(const DtColor &c);

   // return i-th color stored in the array
   virtual DtColor   color(int i) const;

   // returns the index of the first free cell available
   virtual int firstFreeCell() const;

protected:

   static const unsigned int theMaxColors;

protected:

   int       myFirstFreeCell;
   DtColor*  myColor;
   int*      myCount;
};

inline DtColor DtColorCountRecord::color(int i) const
{
   return myColor[i];
}

inline int DtColorCountRecord::firstFreeCell() const
{
   return myFirstFreeCell;
}

#endif