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/*
**************************************************************************
description
--------------------
copyright : (C) 2000-2001 by Andreas Zehender
email : [email protected]
**************************************************************************
**************************************************************************
* *
* 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 PMROTATECONTROLPOINT_H
#define PMROTATECONTROLPOINT_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "pmcontrolpoint.h"
#include "pmmatrix.h"
/**
* Control points for rotation
*/
class PMRotateControlPoint : public PMControlPoint
{
public:
/**
* Creates a PMRotateControlPoint with id.
*/
PMRotateControlPoint( const PMVector& rotation, int id );
/**
* Deletes the PMRotateControlPoint
*/
virtual ~PMRotateControlPoint( ) { };
/** */
virtual PMVector position( ) const { return PMVector( 0.0, 0.0, 0.0 ); }
/**
* Sets the rotation
*/
void setRotation( const PMVector& rot ) { m_rotation = rot; }
/**
* Returns the rotation
*/
PMVector rotation( ) const { return m_rotation; }
/** */
virtual PMCPDisplayType displayType( ) const { return CPCross; };
/** */
virtual void snapToGrid( );
protected:
/** */
virtual void graphicalChangeStarted( );
/** */
virtual void graphicalChange( const PMVector& startPoint,
const PMVector& viewNormal,
const PMVector& endPoint );
private:
PMVector m_rotation, m_originalRotation;
PMMatrix m_originalTransformation;
};
#endif
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