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** Copyright (C) 2001-2013 RibbonSoft, GmbH. All rights reserved.
**
** This file is part of the dxflib project.
**
** This file is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
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** this file in accordance with the dxflib Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.ribbonsoft.com for further details.
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** Contact info@ribbonsoft.com if any conditions of this licensing are
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#ifndef DL_EXTRUSION_H
#define DL_EXTRUSION_H

#include "dl_global.h"

#include <math.h>


/**
 * Extrusion direction.
 *
 * @author Andrew Mustun
 */
class DXFLIB_EXPORT DL_Extrusion {

public:

    /**
     * Default constructor.
     */
    DL_Extrusion() {
        direction = new double[3];
        setDirection(0.0, 0.0, 1.0);
        setElevation(0.0);
    }


    /**
     * Destructor.
     */
    ~DL_Extrusion() {
        delete[] direction ;
    }


    /**
     * Constructor for DXF extrusion.
     *
     * @param direction Vector of axis along which the entity shall be extruded
     *                  this is also the Z axis of the Entity coordinate system
     * @param elevation Distance of the entities XY plane from the origin of the
     *                  world coordinate system
     */
    DL_Extrusion(double dx, double dy, double dz, double elevation) {
        direction = new double[3];
        setDirection(dx, dy, dz);
        setElevation(elevation);
    }



    /**
     * Sets the direction vector. 
     */
    void setDirection(double dx, double dy, double dz) {
        direction[0]=dx;
        direction[1]=dy;
        direction[2]=dz;
    }



    /**
     * @return direction vector.
     */
    double* getDirection() const {
        return direction;
    }



    /**
     * @return direction vector.
     */
    void getDirection(double dir[]) const {
        dir[0]=direction[0];
        dir[1]=direction[1];
        dir[2]=direction[2];
    }



    /**
     * Sets the elevation.
     */
    void setElevation(double elevation) {
        this->elevation = elevation;
    }



    /**
     * @return Elevation.
     */
    double getElevation() const {
        return elevation;
    }



    /**
     * Copies extrusion (deep copies) from another extrusion object.
     */
    DL_Extrusion& operator = (const DL_Extrusion& extru) {
        setDirection(extru.direction[0], extru.direction[1], extru.direction[2]);
        setElevation(extru.elevation);

        return *this;
    }



private:
    double *direction;
    double elevation;
};

#endif

