SplineCurveInt.h

//===========================================================================
// GoTools - SINTEF Geometry Tools
//
// GoTools module: Intersections, version 1.0
//
// Copyright (C) 2000-2007 SINTEF ICT, Applied Mathematics, Norway.
//
// 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 version 2 of the License. 
//
// This program is distributed in the hope that it will be useful,        
// but WITHOUT ANY WARRANTY; without even the implied warranty of         
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          
// GNU General Public License for more details.                           
//
// You should have received a copy of the GNU General Public License      
// along with this program; if not, write to the Free Software            
// Foundation, Inc.,                                                      
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//
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// SINTEF ICT, Department of Applied Mathematics,                         
// P.O. Box 124 Blindern,                                                 
// 0314 Oslo, Norway.                                                     
//
// Other licenses are also available for this software, notably licenses
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// - Building commercial software.                                        
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//===========================================================================
#ifndef _SPLINECURVEINT_H
#define _SPLINECURVEINT_H


#include "ParamCurveInt.h"


namespace Go {



class SplineCurve;



class SplineCurveInt : public ParamCurveInt {
public:
    explicit SplineCurveInt(boost::shared_ptr<ParamCurve> curve);

    explicit SplineCurveInt(boost::shared_ptr<ParamCurve> curve, 
                            ParamGeomInt *parent);

    virtual ~SplineCurveInt(){};

    virtual boost::shared_ptr<ParamCurveInt> 
    makeIntObject(boost::shared_ptr<ParamCurve> curve);

    virtual bool hasInnerKnots(int pardir) const;

    virtual bool hasCriticalValsOrKnots(int pardir) const;

    virtual std::vector<double> getInnerKnotVals(int pardir,
                                                 bool sort=false) const;

    virtual std::vector<double> getCriticalValsAndKnots(int pardir) const;

    virtual int getMeshSize(int dir);

    virtual double paramFromMesh(int dir, int idx);

    virtual std::vector<double>::iterator getMesh();

    virtual int checkPeriodicity(int pardir = 0) const;

    virtual int knotIntervalFuzzy(double& t, double tol) const;

    virtual double nextSegmentVal(double par, bool forward, double tol) const;

    virtual bool isSpline();

    virtual const SplineCurve* getSpline()
        { return spcv_.get(); }

    virtual double getOptimizedConeAngle(Point& axis1, Point& axis2);

    // Functions used for coincidence testint

    virtual RotatedBox getRotatedBox(std::vector<Point>& axis) const;

protected:
    // Data members
    boost::shared_ptr<SplineCurve> spcv_; // shared_ptr to this curve
    
};


} // namespace Go


#endif // _SPLINECURVEINT_H

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