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//-*-C++-*-
/*
**************************************************************************
description
--------------------
copyright : (C) 2000-2001 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 PMSORCONTROLPOINT_H
#define PMSORCONTROLPOINT_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "pmcontrolpoint.h"
const double c_sorTolerance = 0.0001;
/**
* Class for free moveable control points
*/
class PMSorControlPoint : public PMControlPoint
{
public:
/**
* Type enum
*/
enum CPType { PM2DXY, PM2DYX, PM2DXZ, PM2DZX, PM2DYZ, PM2DZY };
/**
* Creates a PMSorControlPoint with id. Point has to be a 2D vector.
*/
PMSorControlPoint( PMSorControlPoint* prev,
const PMVector& point, CPType type,
int id, const TQString& description );
/**
* Deletes the PMSorControlPoint
*/
virtual ~PMSorControlPoint( ) { };
/** */
virtual PMVector position( ) const { return to3D( m_point ); }
/**
* Sets the 2d coordinates of the control point
*/
void setPoint( const PMVector& newPoint ) { m_point = newPoint; }
/**
* 2d coordinates of the control point
*/
PMVector point( ) const { return m_point; }
/**
* This method is used by the sor object to link
* the control points in the xy and xz plane. These points are
* synchronized if both are selected.
*/
void setSorLink( PMSorControlPoint* p ) { m_pSorLink = p; }
/**
* Returns the linked control point for lathe points
*/
PMSorControlPoint* sorLink( ) const { return m_pSorLink; }
/** */
virtual void snapToGrid( );
/** */
virtual bool hasExtraLine( ) const;
/** */
virtual PMVector extraLineStart( ) const;
/** */
virtual PMVector extraLineEnd( ) const;
protected:
/** */
virtual void graphicalChangeStarted( );
/** */
virtual void graphicalChange( const PMVector& startPoint,
const PMVector& viewNormal,
const PMVector& endPoint );
private:
PMVector to2D( const PMVector& v ) const;
PMVector to3D( const PMVector& v ) const;
PMVector m_point, m_originalPoint, m_original2DPoint;
CPType m_type;
PMSorControlPoint* m_pPrev;
PMSorControlPoint* m_pNext;
PMSorControlPoint* m_pSorLink;
};
#endif
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