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110 lines
3.3 KiB
110 lines
3.3 KiB
/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2000-2001 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#ifndef PMDISTANCECONTROLPOINT_H
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#define PMDISTANCECONTROLPOINT_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "pmcontrolpoint.h"
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/**
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* Class for distance control points
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*/
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class PMDistanceControlPoint : public PMControlPoint
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{
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public:
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/**
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* Creates a PMDistanceControlPoint with id.
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*
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* The base point of the vector is given by the control point location.
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*/
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PMDistanceControlPoint( PMControlPoint* location, const PMVector& direction,
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double distance, int id, const TQString& description,
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bool extraLine = false );
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/**
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* Creates a PMDistanceControlPoint with id.
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*
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* The base point of the vector is given by the vector p.
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*/
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PMDistanceControlPoint( const PMVector& location, const PMVector& direction,
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double distance, int id, const TQString& description,
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bool extraLine = false );
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/**
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* Deletes the PMDistanceControlPoint
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*/
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virtual ~PMDistanceControlPoint( ) { };
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/** */
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virtual PMVector position( ) const;
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/**
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* Sets the distance
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*/
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void setDistance( double distance ) { m_distance = distance; }
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/**
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* returns the distance
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*/
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double distance( ) const { return m_distance; }
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/**
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* Sets the direction
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*/
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void setDirection( const PMVector& d );
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/**
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* Returns the direction
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*/
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PMVector direction( ) const { return m_direction; }
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/**
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* Returns the base point
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*/
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PMVector basePoint( ) const;
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/** */
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virtual bool hasExtraLine( ) const { return m_extraLine; }
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/**
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* Returns the start point of the extra line
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*/
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virtual PMVector extraLineStart( ) const { return basePoint( ); }
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/**
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* Returns the end point of the extra line
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*/
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virtual PMVector extraLineEnd( ) const { return position( ); }
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/** */
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virtual void snapToGrid( );
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protected:
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/** */
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virtual void graphicalChangeStarted( );
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/** */
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virtual void graphicalChange( const PMVector& startPoint,
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const PMVector& viewNormal,
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const PMVector& endPoint );
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private:
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double m_distance, m_originalDistance;
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PMControlPoint* m_pBasePoint;
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PMVector m_constBasePoint;
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PMVector m_direction;
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double m_directionLength;
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bool m_extraLine;
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};
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#endif
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