//-*-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