GD/GD_Vertex.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:
 *      Cristin Barghiel
 *      Side Effects Software Inc.
 *      20 Maud St.
 *      Toronto, Ontario,  M5V 2M5
 *      Canada
 *      416-366-4607
 *
 * NAME:        Geometry Library (C++)
 *
 * COMMENTS:
 *      The vertex class. As opposed to GD_Points, all vertices are unique.
 *
 */

#ifndef __GD_Vertex_H__
#define __GD_Vertex_H__

#include "GD_API.h"
#include <GB/GB_Vertex.h>
#include "GD_Point.h"

class GD_Detail;

class GD_API GD_Vertex : public GB_Vertex
{
public:
    GD_Vertex(GD_Point *p=0) : GB_Vertex(p) {}

    // Avoid using this c-tor because it's dangerously shallow!
    GD_Vertex(const GD_Vertex &vtx) : GB_Vertex(vtx.getBasePt()) {}

    virtual ~GD_Vertex() { }

    GD_Point            *getPt(void) const { return (GD_Point*)getBasePt(); }

          UT_Vector3    &getPos()
                         {
                             return ((GD_Point*)getBasePt())->getPos();
                         }
    const UT_Vector3    &getPos() const
                         {
                             return ((const GD_Point*)getBasePt())->getPos();
                         }

    void                 steal(GD_Vertex &src)      { GB_Vertex::steal(src);  }
    void                 copy(const GD_Vertex &src) { setPt(src.getBasePt()); }

    // Avoid using operator=() because it's dangerously shallow!
    GD_Vertex           &operator=(const GD_Vertex &vtx)
                         {
                             if (this != &vtx) setPt(vtx.getBasePt());
                             return *this;

                         }
    int                  operator==(const GD_Vertex &vtx) const
                         {
                             // Trivial check to make it simple. Do not change.
                             return this == &vtx;
                         }

private:
    // Nothing.
};

#endif

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