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136 lines
4.0 KiB
136 lines
4.0 KiB
//-*-C++-*-
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/*
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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 PM2DCONTROLPOINT_H
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#define PM2DCONTROLPOINT_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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#include <tqptrlist.h>
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/**
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* Class for free moveable control points
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*/
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class PM2DControlPoint : public PMControlPoint
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{
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public:
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/**
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* Type enum
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*/
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enum CPType { PM2DXY, PM2DYX, PM2DXZ, PM2DZX, PM2DYZ, PM2DZY };
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/**
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* Creates a PM2DControlPoint with id. Point has to be a 2D vector.
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*/
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PM2DControlPoint( const PMVector& point, CPType type,
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int id, const TQString& description );
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/**
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* Deletes the PM2DControlPoint
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*/
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virtual ~PM2DControlPoint( ) { };
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/** */
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virtual PMVector position( ) const { return to3D( m_point ); }
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/**
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* Sets the 2d coordinates of the control point
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*/
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void setPoint( const PMVector& newPoint ) { m_point = newPoint; }
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/**
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* 2d coordinates of the control point
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*/
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PMVector point( ) const { return m_point; }
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/** */
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virtual void snapToGrid( );
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/**
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* Returns the third coordinate
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*/
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double thirdCoordinate( ) const { return m_thirdCoordinate; }
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/**
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* Sets the third coordinate
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*/
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void setThirdCoordinate( double d ) { m_thirdCoordinate = d; }
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/**
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* Returns the 2d scale
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*/
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double scale( ) const { return m_scale; }
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/**
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* Sets the scale
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*/
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void setScale( double s ) { m_scale = s; }
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/**
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* Sets the base point.
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*
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* If a base point is set, an extra line is shown between
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* the base point and this control point.
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*/
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void setBasePoint( PM2DControlPoint* p );
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/**
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* Returns the base point
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*/
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PM2DControlPoint* basePoint( ) const { return m_pBasePoint; }
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/**
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* This method is used by the lathe object to link
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* the control points in the xy and xz plane. These points are
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* synchronized if both are selected.
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*/
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void setLatheLink( PM2DControlPoint* p ) { m_pLatheLink = p; }
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/**
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* Returns the linked control point for lathe points
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*/
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PM2DControlPoint* latheLink( ) const { return m_pLatheLink; }
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/** */
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virtual bool hasExtraLine( ) const { return m_pBasePoint; }
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/** */
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virtual PMVector extraLineStart( ) const { return position( ); }
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/** */
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virtual PMVector extraLineEnd( ) const
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{
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if( m_pBasePoint )
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return m_pBasePoint->position( );
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return PMVector( 0, 0, 0 );
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}
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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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PMVector to2D( const PMVector& v ) const;
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PMVector to3D( const PMVector& v ) const;
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void addLinkedPoint( PM2DControlPoint* p );
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void removeLinkedPoint( PM2DControlPoint* p );
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PMVector m_point, m_originalPoint, m_original2DPoint;
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CPType m_type;
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double m_thirdCoordinate;
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double m_scale;
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PM2DControlPoint* m_pBasePoint;
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TQPtrList<PM2DControlPoint> m_linkedPoints;
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PM2DControlPoint* m_pLatheLink;
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};
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#endif
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