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//-*-C++-*-
/*
**************************************************************************
description
--------------------
copyright : (C) 2001 by Andreas Zehender
email : zehender@kde.org
**************************************************************************
**************************************************************************
* *
* This program 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. *
* *
**************************************************************************/
#ifndef PMPLANENORMALCONTROLPOINT_H
#define PMPLANENORMALCONTROLPOINT_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "pmcontrolpoint.h"
class PMDistanceControlPoint;
/**
* Control points for the plane normal
*/
class PMPlaneNormalControlPoint : public PMControlPoint
{
public:
/**
* Creates a PMPlaneNormalControlPoint with id.
*
* If the control point is change, the distance control point
* is changed, too!
*/
PMPlaneNormalControlPoint( PMDistanceControlPoint* d, const PMVector& normal,
int id, const QString& description );
/**
* Deletes the PMPlaneNormalControlPoint
*/
virtual ~PMPlaneNormalControlPoint( ) { };
/** */
virtual PMVector position( ) const;
/**
* Sets the normal vector
*/
void setNormal( PMVector newNormal ) { m_normal = newNormal; }
/**
* Returns the normal vector
*/
PMVector normal( ) const { return m_normal; }
/**
* Returns the distance
*/
double distance( ) const;
/** */
virtual bool hasExtraLine( ) const { return true; }
/**
* Returns the start point of the extra line
*/
virtual PMVector extraLineStart( ) const;
/**
* Returns the end point of the extra line
*/
virtual PMVector extraLineEnd( ) const;
/** */
virtual void snapToGrid( );
protected:
/** */
virtual void graphicalChangeStarted( );
/** */
virtual void graphicalChange( const PMVector& startPoint,
const PMVector& viewNormal,
const PMVector& endPoint );
private:
PMVector m_normal, m_originalNormal;
double m_originalDistance;
PMDistanceControlPoint* m_pDistancePoint;
};
#endif
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