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/*
**************************************************************************
description
--------------------
copyright : (C) 2003 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 PMSPHERESWEEP_H
#define PMSPHERESWEEP_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "pmsolidobject.h"
#include "pmvector.h"
#include <tqptrlist.h>
#include <tqvaluelist.h>
#include <math.h>
class PMViewStructure;
/**
* Class for povray sphere sweep objects.
*/
class PMSphereSweep : public PMSolidObject
{
typedef PMSolidObject Base;
public:
/**
* The spline type
*/
enum SplineType { LinearSpline, BSpline, CubicSpline };
/**
* Creates an empty PMSphereSweep
*/
PMSphereSweep( PMPart* part );
/**
* Copy constructor
*/
PMSphereSweep( const PMSphereSweep& l );
/**
* deletes the PMSphereSweep
*/
virtual ~PMSphereSweep( );
/** */
virtual PMObject* copy( ) const { return new PMSphereSweep( *this ); }
/** */
virtual TQString description( ) const;
/** */
virtual PMMetaObject* metaObject( ) const;
/** */
virtual void cleanUp( ) const;
/** */
virtual void serialize( TQDomElement& e, TQDomDocument& doc ) const;
/** */
virtual void readAttributes( const PMXMLHelper& h );
/**
* Returns a new @ref PMSphereSweepEdit
*/
virtual PMDialogEditBase* editWidget( TQWidget* parent ) const;
/**
* Returns the name of the pixmap that is displayed in the tree view
* and dialog view
*/
virtual TQString pixmap( ) const { return TQString( "pmspheresweep" ); }
/** */
virtual void createMemento( );
/** */
virtual void restoreMemento( PMMemento* s );
/** */
virtual void controlPoints( PMControlPointList& list );
/** */
virtual void controlPointsChanged( PMControlPointList& list );
/** */
virtual bool hasDisplayDetail( ) const { return true; }
/** */
virtual void addObjectActions( const PMControlPointList&,
TQPtrList<PMObjectAction>& );
/** */
virtual void objectActionCalled( const PMObjectAction*,
const PMControlPointList&,
const TQPtrList<PMVector>&,
const PMVector& );
/**
* Returns the spline points
*/
TQValueList<PMVector> points( ) const { return m_points; }
/**
* Sets the spline points
*/
void setPoints( const TQValueList<PMVector>& points );
/**
* Returns the radii
*/
TQValueList<double> radii( ) const { return m_radii; }
/**
* Sets the radii
*/
void setRadii( const TQValueList<double>& radii );
/**
* Returns the number of spline points
*/
int numberOfPoints( ) const { return m_points.size( ); }
/**
* Returns the spline type
*/
SplineType splineType( ) const { return m_splineType; }
/**
* Sets the spline type
*/
void setSplineType( SplineType t );
/**
* Returns the depth tolerance
*/
double tolerance( ) const { return m_tolerance; }
/**
* Sets the depth tolerance
*/
void setTolerance( double t );
/**
* Sets the number of steps around the y axis
*/
static void setRSteps( int r );
/**
* Sets the number of subdivisions of one spline segment
*/
static void setSSteps( int v );
/**
* Returns the number of steps around the y axis
*/
static int rSteps( ) { return s_rSteps; }
/**
* Returns the number of subdivisions of one spline segment
*/
static int sSteps( ) { return s_sSteps; }
protected:
/** */
virtual void createViewStructure( );
/** */
virtual int viewStructureParameterKey( ) const { return s_parameterKey + globalDetailKey( ); }
private:
/**
* Object action. Adds a spline point
*/
void splitSegment( const PMControlPointList& cp,
const TQPtrList<PMVector>& cpViewPosition,
const PMVector& clickPosition );
/**
* Object action. Removes a spline point
*/
void joinSegments( const PMControlPointList& cp,
const TQPtrList<PMVector>& cpViewPosition,
const PMVector& clickPosition );
void stringToValues( const TQString& str );
TQString valuesToString( ) const;
/**
* IDs for @ref PMMementoData
*/
enum PMSphereSweepMementoID { PMSplineTypeID, PMToleranceID };
/**
* IDs for the object actions
*/
enum PMSphereSweepActionID { PMSplitSegmentID, PMJoinSegmentsID };
SplineType m_splineType;
TQValueList<PMVector> m_points;
TQValueList<double> m_radii;
double m_tolerance;
static int s_rSteps;
static int s_sSteps;
static int s_parameterKey;
static PMMetaObject* s_pMetaObject;
/**
* Segment Structure for holding info for
* creating view structure
*/
struct Segment{
TQValueList<PMVector> points;
TQValueList<double> radii;
TQValueList<PMVector> direction;
};
TQValueList<Segment> m_segments;
int m_nextPoint;
int m_nextLine;
/**
* Sets up the segments for linear spline
* @param sSteps the number of subdivisions per segment
*/
void setLinear( int sSteps );
/**
* Sets up segments for curved splines
* @param cubic true for cubic_spline false for b_spline
* @param sSteps the number of subdivisions per segment
*/
void setCurved( bool cubic, int sSteps );
/**
* Returns a point on a Catmull rom spline
* @param v Pointer to four control points
* @param t position along spline ( 0.0 - 1.0 )
*/
PMVector catmullRom( PMVector *v, double t );
/**
* Returns a point on a cubic b spline
* @param v pointer to four control points
* @param t position along spline ( 0.0 - 1.0 )
*/
PMVector bSpline( PMVector *v, double t );
/**
* Creates a sphere
* @param v poisition of sphere
* @param r radius of sphere
* @param rSteps the number of steps around the y axis
*/
void createSphere( PMVector v, double r, int rSteps );
};
#endif
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