GB/GB_Element.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * Produced by:
 *      Mark Elendt
 *      Side Effects
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        Base class for all geometry elements (C++)
 *
 * COMMENTS:    This is a common base class which allows points & primitives
 *              to be reference in the same way
 *
 */

#ifndef __GB_Element_h__
#define __GB_Element_h__

#include "GB_API.h"
#include "GB_BitArray.h"

class GB_API GB_Element
{
public:
             GB_Element(int groupSize = 0);
    virtual ~GB_Element();

    int                  getNum() const { return myNum; }

    const GB_BitArray   &getGroups() const      { return myGroups; }
    GB_BitArray         &getGroups()            { return myGroups; }

    virtual int          isPrimary(void) const = 0;
    virtual GB_Element  *getSecondary(int );
    virtual unsigned     numSecondary(void);

protected:
    GB_BitArray         myGroups;
    int                 myNum;          // Only the detail can set this...

    void                setNum(int num) { myNum = num; }

private:
    friend class        GB_Detail;
};

#endif

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