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+//-*-C++-*-
+/*
+**************************************************************************
+ description
+ --------------------
+ copyright : (C) 2002 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 PMLATHE_H
+#define PMLATHE_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "pmsolidobject.h"
+#include "pmvector.h"
+#include <qptrlist.h>
+#include <qvaluelist.h>
+#include <math.h>
+
+class PMViewStructure;
+
+/**
+ * Class for povray lathe objects.
+ */
+
+class PMLathe : public PMSolidObject
+{
+ typedef PMSolidObject Base;
+public:
+ /**
+ * The spline type
+ */
+ enum SplineType { LinearSpline, QuadraticSpline, CubicSpline, BezierSpline };
+ /**
+ * Creates an empty PMLathe
+ */
+ PMLathe( PMPart* part );
+ /**
+ * Copy constructor
+ */
+ PMLathe( const PMLathe& l );
+ /**
+ * deletes the PMLathe
+ */
+ virtual ~PMLathe( );
+
+ /** */
+ virtual PMObject* copy( ) const { return new PMLathe( *this ); }
+ /** */
+ virtual QString description( ) const;
+
+ /** */
+ virtual PMMetaObject* metaObject( ) const;
+ /** */
+ virtual void cleanUp( ) const;
+
+ /** */
+ virtual void serialize( QDomElement& e, QDomDocument& doc ) const;
+ /** */
+ virtual void readAttributes( const PMXMLHelper& h );
+ /**
+ * Returns a new @ref PMLatheEdit
+ */
+ virtual PMDialogEditBase* editWidget( QWidget* parent ) const;
+ /**
+ * Returns the name of the pixmap that is displayed in the tree view
+ * and dialog view
+ */
+ virtual QString pixmap( ) const { return QString( "pmlathe" ); }
+
+ /** */
+ 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 bool multipleSelectControlPoints( ) const { return true; }
+ /** */
+ virtual void addObjectActions( const PMControlPointList&,
+ QPtrList<PMObjectAction>& );
+ /** */
+ virtual void objectActionCalled( const PMObjectAction*,
+ const PMControlPointList&,
+ const QPtrList<PMVector>&,
+ const PMVector& );
+
+ /**
+ * Returns the spline points
+ */
+ QValueList<PMVector> points( ) const { return m_points; }
+ /**
+ * Sets the spline points
+ */
+ void setPoints( const QValueList<PMVector>& points );
+ /**
+ * 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 sturm flag
+ */
+ bool sturm( ) const { return m_sturm; }
+ /**
+ * Sets the sturm flag
+ */
+ void setSturm( bool s );
+
+ /**
+ * 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 QPtrList<PMVector>& cpViewPosition,
+ const PMVector& clickPosition );
+ /**
+ * Object action. Removes a spline point
+ */
+ void joinSegments( const PMControlPointList& cp,
+ const QPtrList<PMVector>& cpViewPosition,
+ const PMVector& clickPosition );
+
+ void stringToValues( const QString& str );
+ QString valuesToString( ) const;
+
+ /**
+ * IDs for @ref PMMementoData
+ */
+ enum PMLatheMementoID { PMSplineTypeID, PMSturmID };
+ /**
+ * IDs for the object actions
+ */
+ enum PMLatheActionID { PMSplitSegmentID, PMJoinSegmentsID };
+ SplineType m_splineType;
+ QValueList<PMVector> m_points;
+ bool m_sturm;
+
+ static int s_rSteps;
+ static int s_sSteps;
+ static int s_parameterKey;
+
+ static PMMetaObject* s_pMetaObject;
+};
+
+#endif